/*! JointJS v0.9.7 - JavaScript diagramming library 2016-04-20
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This Source Code Form is subject to the terms of the Mozilla Public
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License, v. 2.0. If a copy of the MPL was not distributed with this
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file, You can obtain one at http://mozilla.org/MPL/2.0/.
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*/
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(function(root, factory) {
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if (typeof define === 'function' && define.amd) {
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// For AMD.
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define(['backbone', 'lodash', 'jquery'], function(Backbone, _, $) {
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Backbone.$ = $;
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return factory(root, Backbone, _, $);
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});
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} else if (typeof exports !== 'undefined') {
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// For Node.js or CommonJS.
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var Backbone = require('backbone');
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var _ = require('lodash');
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var $ = Backbone.$ = require('jquery');
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module.exports = factory(root, Backbone, _, $);
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} else {
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// As a browser global.
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var Backbone = root.Backbone;
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var _ = root._;
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var $ = Backbone.$ = root.jQuery || root.$;
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root.joint = factory(root, Backbone, _, $);
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root.g = root.joint.g;
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root.V = root.Vectorizer = root.joint.V;
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}
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}(this, function(root, Backbone, _, $) {
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// Geometry library.
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// (c) 2011-2015 client IO
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var g = (function() {
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// Declare shorthands to the most used math functions.
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var math = Math;
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var abs = math.abs;
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var cos = math.cos;
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var sin = math.sin;
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var sqrt = math.sqrt;
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var mmin = math.min;
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var mmax = math.max;
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var atan = math.atan;
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var atan2 = math.atan2;
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var acos = math.acos;
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var round = math.round;
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var floor = math.floor;
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var PI = math.PI;
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var random = math.random;
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var toDeg = function(rad) { return (180 * rad / PI) % 360; };
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var toRad = function(deg, over360) {
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over360 = over360 || false;
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deg = over360 ? deg : (deg % 360);
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return deg * PI / 180;
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};
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var snapToGrid = function(val, gridSize) { return gridSize * Math.round(val / gridSize); };
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var normalizeAngle = function(angle) { return (angle % 360) + (angle < 0 ? 360 : 0); };
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// Point
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// -----
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// Point is the most basic object consisting of x/y coordinate,.
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// Possible instantiations are:
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// * `point(10, 20)`
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// * `new point(10, 20)`
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// * `point('10 20')`
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// * `point(point(10, 20))`
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function point(x, y) {
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if (!(this instanceof point))
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return new point(x, y);
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var xy;
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if (y === undefined && Object(x) !== x) {
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xy = x.split(x.indexOf('@') === -1 ? ' ' : '@');
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this.x = parseInt(xy[0], 10);
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this.y = parseInt(xy[1], 10);
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} else if (Object(x) === x) {
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this.x = x.x;
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this.y = x.y;
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} else {
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this.x = x;
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this.y = y;
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}
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}
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point.prototype = {
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toString: function() {
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return this.x + '@' + this.y;
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},
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// If point lies outside rectangle `r`, return the nearest point on the boundary of rect `r`,
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// otherwise return point itself.
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// (see Squeak Smalltalk, Point>>adhereTo:)
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adhereToRect: function(r) {
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if (r.containsPoint(this)) {
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return this;
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}
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this.x = mmin(mmax(this.x, r.x), r.x + r.width);
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this.y = mmin(mmax(this.y, r.y), r.y + r.height);
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return this;
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},
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// Compute the angle between me and `p` and the x axis.
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// (cartesian-to-polar coordinates conversion)
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// Return theta angle in degrees.
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theta: function(p) {
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p = point(p);
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// Invert the y-axis.
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var y = -(p.y - this.y);
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var x = p.x - this.x;
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// Makes sure that the comparison with zero takes rounding errors into account.
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var PRECISION = 10;
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// Note that `atan2` is not defined for `x`, `y` both equal zero.
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var rad = (y.toFixed(PRECISION) == 0 && x.toFixed(PRECISION) == 0) ? 0 : atan2(y, x);
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// Correction for III. and IV. quadrant.
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if (rad < 0) {
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rad = 2 * PI + rad;
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}
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return 180 * rad / PI;
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},
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// Returns distance between me and point `p`.
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distance: function(p) {
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return line(this, p).length();
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},
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// Returns a manhattan (taxi-cab) distance between me and point `p`.
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manhattanDistance: function(p) {
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return abs(p.x - this.x) + abs(p.y - this.y);
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},
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// Offset me by the specified amount.
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offset: function(dx, dy) {
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this.x += dx || 0;
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this.y += dy || 0;
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return this;
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},
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magnitude: function() {
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return sqrt((this.x * this.x) + (this.y * this.y)) || 0.01;
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},
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update: function(x, y) {
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this.x = x || 0;
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this.y = y || 0;
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return this;
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},
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round: function(decimals) {
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this.x = decimals ? this.x.toFixed(decimals) : round(this.x);
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this.y = decimals ? this.y.toFixed(decimals) : round(this.y);
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return this;
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},
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// Scale the line segment between (0,0) and me to have a length of len.
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normalize: function(len) {
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var s = (len || 1) / this.magnitude();
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this.x = s * this.x;
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this.y = s * this.y;
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return this;
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},
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difference: function(p) {
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return point(this.x - p.x, this.y - p.y);
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},
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// Return the bearing between me and point `p`.
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bearing: function(p) {
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return line(this, p).bearing();
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},
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// Converts rectangular to polar coordinates.
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// An origin can be specified, otherwise it's 0@0.
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toPolar: function(o) {
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o = (o && point(o)) || point(0, 0);
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var x = this.x;
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var y = this.y;
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this.x = sqrt((x - o.x) * (x - o.x) + (y - o.y) * (y - o.y)); // r
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this.y = toRad(o.theta(point(x, y)));
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return this;
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},
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// Rotate point by angle around origin o.
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rotate: function(o, angle) {
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angle = (angle + 360) % 360;
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this.toPolar(o);
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this.y += toRad(angle);
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var p = point.fromPolar(this.x, this.y, o);
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this.x = p.x;
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this.y = p.y;
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return this;
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},
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// Move point on line starting from ref ending at me by
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// distance distance.
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move: function(ref, distance) {
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var theta = toRad(point(ref).theta(this));
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return this.offset(cos(theta) * distance, -sin(theta) * distance);
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},
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// Scale point with origin at point `o`.
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scale: function(sx, sy, o) {
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o = (o && point(o)) || point(0, 0);
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this.x = o.x + sx * (this.x - o.x);
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this.y = o.y + sy * (this.y - o.y);
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return this;
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},
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// Returns change in angle from my previous position (-dx, -dy) to my new position
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// relative to ref point.
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changeInAngle: function(dx, dy, ref) {
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// Revert the translation and measure the change in angle around x-axis.
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return point(this).offset(-dx, -dy).theta(ref) - this.theta(ref);
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},
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equals: function(p) {
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return this.x === p.x && this.y === p.y;
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},
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snapToGrid: function(gx, gy) {
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this.x = snapToGrid(this.x, gx);
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this.y = snapToGrid(this.y, gy || gx);
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return this;
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},
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// Returns a point that is the reflection of me with
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// the center of inversion in ref point.
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reflection: function(ref) {
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return point(ref).move(this, this.distance(ref));
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},
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clone: function() {
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return point(this);
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},
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toJSON: function() {
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return { x: this.x, y: this.y };
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}
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};
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// Alternative constructor, from polar coordinates.
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// @param {number} r Distance.
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// @param {number} angle Angle in radians.
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// @param {point} [optional] o Origin.
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point.fromPolar = function(r, angle, o) {
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o = (o && point(o)) || point(0, 0);
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var x = abs(r * cos(angle));
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var y = abs(r * sin(angle));
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var deg = normalizeAngle(toDeg(angle));
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if (deg < 90) {
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y = -y;
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} else if (deg < 180) {
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x = -x;
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y = -y;
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} else if (deg < 270) {
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x = -x;
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}
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return point(o.x + x, o.y + y);
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};
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// Create a point with random coordinates that fall into the range `[x1, x2]` and `[y1, y2]`.
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point.random = function(x1, x2, y1, y2) {
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return point(floor(random() * (x2 - x1 + 1) + x1), floor(random() * (y2 - y1 + 1) + y1));
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};
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// Line.
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// -----
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function line(p1, p2) {
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if (!(this instanceof line))
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return new line(p1, p2);
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this.start = point(p1);
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this.end = point(p2);
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}
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line.prototype = {
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toString: function() {
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return this.start.toString() + ' ' + this.end.toString();
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},
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// @return {double} length of the line
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length: function() {
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return sqrt(this.squaredLength());
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},
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// @return {integer} length without sqrt
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// @note for applications where the exact length is not necessary (e.g. compare only)
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squaredLength: function() {
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var x0 = this.start.x;
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var y0 = this.start.y;
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var x1 = this.end.x;
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var y1 = this.end.y;
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return (x0 -= x1) * x0 + (y0 -= y1) * y0;
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},
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// @return {point} my midpoint
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midpoint: function() {
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return point((this.start.x + this.end.x) / 2,
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(this.start.y + this.end.y) / 2);
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},
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// @return {point} Point where I'm intersecting l.
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// @see Squeak Smalltalk, LineSegment>>intersectionWith:
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intersection: function(l) {
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var pt1Dir = point(this.end.x - this.start.x, this.end.y - this.start.y);
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var pt2Dir = point(l.end.x - l.start.x, l.end.y - l.start.y);
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var det = (pt1Dir.x * pt2Dir.y) - (pt1Dir.y * pt2Dir.x);
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var deltaPt = point(l.start.x - this.start.x, l.start.y - this.start.y);
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var alpha = (deltaPt.x * pt2Dir.y) - (deltaPt.y * pt2Dir.x);
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var beta = (deltaPt.x * pt1Dir.y) - (deltaPt.y * pt1Dir.x);
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if (det === 0 ||
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alpha * det < 0 ||
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beta * det < 0) {
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// No intersection found.
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return null;
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}
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if (det > 0) {
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if (alpha > det || beta > det) {
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return null;
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}
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} else {
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if (alpha < det || beta < det) {
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return null;
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}
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}
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return point(this.start.x + (alpha * pt1Dir.x / det),
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this.start.y + (alpha * pt1Dir.y / det));
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},
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// @return the bearing (cardinal direction) of the line. For example N, W, or SE.
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// @returns {String} One of the following bearings : NE, E, SE, S, SW, W, NW, N.
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bearing: function() {
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var lat1 = toRad(this.start.y);
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var lat2 = toRad(this.end.y);
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var lon1 = this.start.x;
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var lon2 = this.end.x;
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var dLon = toRad(lon2 - lon1);
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var y = sin(dLon) * cos(lat2);
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var x = cos(lat1) * sin(lat2) - sin(lat1) * cos(lat2) * cos(dLon);
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var brng = toDeg(atan2(y, x));
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var bearings = ['NE', 'E', 'SE', 'S', 'SW', 'W', 'NW', 'N'];
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var index = brng - 22.5;
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if (index < 0)
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index += 360;
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index = parseInt(index / 45);
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return bearings[index];
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},
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// @return {point} my point at 't' <0,1>
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pointAt: function(t) {
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var x = (1 - t) * this.start.x + t * this.end.x;
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var y = (1 - t) * this.start.y + t * this.end.y;
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return point(x, y);
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},
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// @return {number} the offset of the point `p` from the line. + if the point `p` is on the right side of the line, - if on the left and 0 if on the line.
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pointOffset: function(p) {
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// Find the sign of the determinant of vectors (start,end), where p is the query point.
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return ((this.end.x - this.start.x) * (p.y - this.start.y) - (this.end.y - this.start.y) * (p.x - this.start.x)) / 2;
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},
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clone: function() {
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return line(this);
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}
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};
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// Rectangle.
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// ----------
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function rect(x, y, w, h) {
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if (!(this instanceof rect))
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return new rect(x, y, w, h);
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if (y === undefined) {
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y = x.y;
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w = x.width;
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h = x.height;
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x = x.x;
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}
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this.x = x;
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this.y = y;
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this.width = w;
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this.height = h;
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}
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rect.prototype = {
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toString: function() {
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return this.origin().toString() + ' ' + this.corner().toString();
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},
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// @return {boolean} true if rectangles are equal.
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equals: function(r) {
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var mr = g.rect(this).normalize();
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var nr = g.rect(r).normalize();
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return mr.x === nr.x && mr.y === nr.y && mr.width === nr.width && mr.height === nr.height;
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},
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origin: function() {
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return point(this.x, this.y);
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},
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corner: function() {
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return point(this.x + this.width, this.y + this.height);
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},
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topRight: function() {
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return point(this.x + this.width, this.y);
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},
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bottomLeft: function() {
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return point(this.x, this.y + this.height);
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},
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center: function() {
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return point(this.x + this.width / 2, this.y + this.height / 2);
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},
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// @return {rect} if rectangles intersect, {null} if not.
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intersect: function(r) {
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var myOrigin = this.origin();
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var myCorner = this.corner();
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var rOrigin = r.origin();
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var rCorner = r.corner();
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// No intersection found
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if (rCorner.x <= myOrigin.x ||
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rCorner.y <= myOrigin.y ||
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rOrigin.x >= myCorner.x ||
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rOrigin.y >= myCorner.y) return null;
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var x = Math.max(myOrigin.x, rOrigin.x);
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var y = Math.max(myOrigin.y, rOrigin.y);
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return rect(x, y, Math.min(myCorner.x, rCorner.x) - x, Math.min(myCorner.y, rCorner.y) - y);
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},
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// @return {rect} representing the union of both rectangles.
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union: function(r) {
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var myOrigin = this.origin();
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var myCorner = this.corner();
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var rOrigin = r.origin();
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var rCorner = r.corner();
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var originX = Math.min(myOrigin.x, rOrigin.x);
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var originY = Math.min(myOrigin.y, rOrigin.y);
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var cornerX = Math.max(myCorner.x, rCorner.x);
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var cornerY = Math.max(myCorner.y, rCorner.y);
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return rect(originX, originY, cornerX - originX, cornerY - originY);
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},
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// @return {string} (left|right|top|bottom) side which is nearest to point
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// @see Squeak Smalltalk, Rectangle>>sideNearestTo:
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sideNearestToPoint: function(p) {
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p = point(p);
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var distToLeft = p.x - this.x;
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var distToRight = (this.x + this.width) - p.x;
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var distToTop = p.y - this.y;
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var distToBottom = (this.y + this.height) - p.y;
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var closest = distToLeft;
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var side = 'left';
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if (distToRight < closest) {
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closest = distToRight;
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side = 'right';
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}
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if (distToTop < closest) {
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closest = distToTop;
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side = 'top';
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}
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if (distToBottom < closest) {
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closest = distToBottom;
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side = 'bottom';
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}
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return side;
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},
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// @return {bool} true if point p is insight me
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containsPoint: function(p) {
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p = point(p);
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if (p.x >= this.x && p.x <= this.x + this.width &&
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p.y >= this.y && p.y <= this.y + this.height) {
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return true;
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}
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return false;
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},
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// @return {bool} true if rectangle `r` is inside me.
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containsRect: function(r) {
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var r0 = rect(this).normalize();
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var r1 = rect(r).normalize();
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var w0 = r0.width;
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var h0 = r0.height;
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var w1 = r1.width;
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var h1 = r1.height;
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if (!w0 || !h0 || !w1 || !h1) {
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// At least one of the dimensions is 0
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return false;
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}
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var x0 = r0.x;
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var y0 = r0.y;
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var x1 = r1.x;
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var y1 = r1.y;
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w1 += x1;
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w0 += x0;
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h1 += y1;
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h0 += y0;
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return x0 <= x1 && w1 <= w0 && y0 <= y1 && h1 <= h0;
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},
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// @return {point} a point on my boundary nearest to p
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// @see Squeak Smalltalk, Rectangle>>pointNearestTo:
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pointNearestToPoint: function(p) {
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p = point(p);
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if (this.containsPoint(p)) {
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var side = this.sideNearestToPoint(p);
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switch (side){
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case 'right': return point(this.x + this.width, p.y);
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case 'left': return point(this.x, p.y);
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case 'bottom': return point(p.x, this.y + this.height);
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case 'top': return point(p.x, this.y);
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}
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}
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return p.adhereToRect(this);
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},
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// Find point on my boundary where line starting
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// from my center ending in point p intersects me.
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// @param {number} angle If angle is specified, intersection with rotated rectangle is computed.
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intersectionWithLineFromCenterToPoint: function(p, angle) {
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p = point(p);
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var center = point(this.x + this.width / 2, this.y + this.height / 2);
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var result;
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if (angle) p.rotate(center, angle);
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// (clockwise, starting from the top side)
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var sides = [
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line(this.origin(), this.topRight()),
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line(this.topRight(), this.corner()),
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line(this.corner(), this.bottomLeft()),
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line(this.bottomLeft(), this.origin())
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];
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var connector = line(center, p);
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for (var i = sides.length - 1; i >= 0; --i) {
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var intersection = sides[i].intersection(connector);
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if (intersection !== null) {
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result = intersection;
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break;
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}
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}
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if (result && angle) result.rotate(center, -angle);
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return result;
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},
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// Move and expand me.
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// @param r {rectangle} representing deltas
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moveAndExpand: function(r) {
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this.x += r.x || 0;
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this.y += r.y || 0;
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this.width += r.width || 0;
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this.height += r.height || 0;
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return this;
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},
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round: function(decimals) {
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this.x = decimals ? this.x.toFixed(decimals) : round(this.x);
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this.y = decimals ? this.y.toFixed(decimals) : round(this.y);
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this.width = decimals ? this.width.toFixed(decimals) : round(this.width);
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this.height = decimals ? this.height.toFixed(decimals) : round(this.height);
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return this;
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},
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// Normalize the rectangle; i.e., make it so that it has a non-negative width and height.
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// If width < 0 the function swaps the left and right corners,
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// and it swaps the top and bottom corners if height < 0
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// like in http://qt-project.org/doc/qt-4.8/qrectf.html#normalized
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normalize: function() {
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var newx = this.x;
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var newy = this.y;
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var newwidth = this.width;
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var newheight = this.height;
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if (this.width < 0) {
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newx = this.x + this.width;
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newwidth = -this.width;
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}
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if (this.height < 0) {
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newy = this.y + this.height;
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newheight = -this.height;
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}
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this.x = newx;
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this.y = newy;
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this.width = newwidth;
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this.height = newheight;
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return this;
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},
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// Find my bounding box when I'm rotated with the center of rotation in the center of me.
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// @return r {rectangle} representing a bounding box
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bbox: function(angle) {
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var theta = toRad(angle || 0);
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var st = abs(sin(theta));
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var ct = abs(cos(theta));
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var w = this.width * ct + this.height * st;
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var h = this.width * st + this.height * ct;
|
return rect(this.x + (this.width - w) / 2, this.y + (this.height - h) / 2, w, h);
|
},
|
// Scale rectangle with origin at point `o`
|
scale: function(sx, sy, o) {
|
var origin = this.origin().scale(sx, sy, o);
|
this.x = origin.x;
|
this.y = origin.y;
|
this.width *= sx;
|
this.height *= sy;
|
return this;
|
},
|
snapToGrid: function(gx, gy) {
|
var origin = this.origin().snapToGrid(gx, gy);
|
var corner = this.corner().snapToGrid(gx, gy);
|
this.x = origin.x;
|
this.y = origin.y;
|
this.width = corner.x - origin.x;
|
this.height = corner.y - origin.y;
|
return this;
|
},
|
clone: function() {
|
return rect(this);
|
},
|
toJSON: function() {
|
return { x: this.x, y: this.y, width: this.width, height: this.height };
|
}
|
};
|
|
// Ellipse.
|
// --------
|
function ellipse(c, a, b) {
|
if (!(this instanceof ellipse))
|
return new ellipse(c, a, b);
|
c = point(c);
|
this.x = c.x;
|
this.y = c.y;
|
this.a = a;
|
this.b = b;
|
}
|
|
ellipse.prototype = {
|
toString: function() {
|
return point(this.x, this.y).toString() + ' ' + this.a + ' ' + this.b;
|
},
|
bbox: function() {
|
return rect(this.x - this.a, this.y - this.b, 2 * this.a, 2 * this.b);
|
},
|
// Find point on me where line from my center to
|
// point p intersects my boundary.
|
// @param {number} angle If angle is specified, intersection with rotated ellipse is computed.
|
intersectionWithLineFromCenterToPoint: function(p, angle) {
|
p = point(p);
|
if (angle) p.rotate(point(this.x, this.y), angle);
|
var dx = p.x - this.x;
|
var dy = p.y - this.y;
|
var result;
|
if (dx === 0) {
|
result = this.bbox().pointNearestToPoint(p);
|
if (angle) return result.rotate(point(this.x, this.y), -angle);
|
return result;
|
}
|
var m = dy / dx;
|
var mSquared = m * m;
|
var aSquared = this.a * this.a;
|
var bSquared = this.b * this.b;
|
var x = sqrt(1 / ((1 / aSquared) + (mSquared / bSquared)));
|
|
x = dx < 0 ? -x : x;
|
var y = m * x;
|
result = point(this.x + x, this.y + y);
|
if (angle) return result.rotate(point(this.x, this.y), -angle);
|
return result;
|
},
|
clone: function() {
|
return ellipse(this);
|
}
|
};
|
|
// Bezier curve.
|
// -------------
|
var bezier = {
|
// Cubic Bezier curve path through points.
|
// Ported from C# implementation by Oleg V. Polikarpotchkin and Peter Lee (http://www.codeproject.com/KB/graphics/BezierSpline.aspx).
|
// @param {array} points Array of points through which the smooth line will go.
|
// @return {array} SVG Path commands as an array
|
curveThroughPoints: function(points) {
|
var controlPoints = this.getCurveControlPoints(points);
|
var path = ['M', points[0].x, points[0].y];
|
|
for (var i = 0; i < controlPoints[0].length; i++) {
|
path.push('C', controlPoints[0][i].x, controlPoints[0][i].y, controlPoints[1][i].x, controlPoints[1][i].y, points[i + 1].x, points[i + 1].y);
|
}
|
return path;
|
},
|
|
// Get open-ended Bezier Spline Control Points.
|
// @param knots Input Knot Bezier spline points (At least two points!).
|
// @param firstControlPoints Output First Control points. Array of knots.length - 1 length.
|
// @param secondControlPoints Output Second Control points. Array of knots.length - 1 length.
|
getCurveControlPoints: function(knots) {
|
var firstControlPoints = [];
|
var secondControlPoints = [];
|
var n = knots.length - 1;
|
var i;
|
|
// Special case: Bezier curve should be a straight line.
|
if (n == 1) {
|
// 3P1 = 2P0 + P3
|
firstControlPoints[0] = point((2 * knots[0].x + knots[1].x) / 3,
|
(2 * knots[0].y + knots[1].y) / 3);
|
// P2 = 2P1 – P0
|
secondControlPoints[0] = point(2 * firstControlPoints[0].x - knots[0].x,
|
2 * firstControlPoints[0].y - knots[0].y);
|
return [firstControlPoints, secondControlPoints];
|
}
|
|
// Calculate first Bezier control points.
|
// Right hand side vector.
|
var rhs = [];
|
|
// Set right hand side X values.
|
for (i = 1; i < n - 1; i++) {
|
rhs[i] = 4 * knots[i].x + 2 * knots[i + 1].x;
|
}
|
rhs[0] = knots[0].x + 2 * knots[1].x;
|
rhs[n - 1] = (8 * knots[n - 1].x + knots[n].x) / 2.0;
|
// Get first control points X-values.
|
var x = this.getFirstControlPoints(rhs);
|
|
// Set right hand side Y values.
|
for (i = 1; i < n - 1; ++i) {
|
rhs[i] = 4 * knots[i].y + 2 * knots[i + 1].y;
|
}
|
rhs[0] = knots[0].y + 2 * knots[1].y;
|
rhs[n - 1] = (8 * knots[n - 1].y + knots[n].y) / 2.0;
|
// Get first control points Y-values.
|
var y = this.getFirstControlPoints(rhs);
|
|
// Fill output arrays.
|
for (i = 0; i < n; i++) {
|
// First control point.
|
firstControlPoints.push(point(x[i], y[i]));
|
// Second control point.
|
if (i < n - 1) {
|
secondControlPoints.push(point(2 * knots [i + 1].x - x[i + 1],
|
2 * knots[i + 1].y - y[i + 1]));
|
} else {
|
secondControlPoints.push(point((knots[n].x + x[n - 1]) / 2,
|
(knots[n].y + y[n - 1]) / 2));
|
}
|
}
|
return [firstControlPoints, secondControlPoints];
|
},
|
|
// Solves a tridiagonal system for one of coordinates (x or y) of first Bezier control points.
|
// @param rhs Right hand side vector.
|
// @return Solution vector.
|
getFirstControlPoints: function(rhs) {
|
var n = rhs.length;
|
// `x` is a solution vector.
|
var x = [];
|
var tmp = [];
|
var b = 2.0;
|
|
x[0] = rhs[0] / b;
|
// Decomposition and forward substitution.
|
for (var i = 1; i < n; i++) {
|
tmp[i] = 1 / b;
|
b = (i < n - 1 ? 4.0 : 3.5) - tmp[i];
|
x[i] = (rhs[i] - x[i - 1]) / b;
|
}
|
for (i = 1; i < n; i++) {
|
// Backsubstitution.
|
x[n - i - 1] -= tmp[n - i] * x[n - i];
|
}
|
return x;
|
},
|
|
// Solves an inversion problem -- Given the (x, y) coordinates of a point which lies on
|
// a parametric curve x = x(t)/w(t), y = y(t)/w(t), find the parameter value t
|
// which corresponds to that point.
|
// @param control points (start, control start, control end, end)
|
// @return a function accepts a point and returns t.
|
getInversionSolver: function(p0, p1, p2, p3) {
|
var pts = arguments;
|
function l(i, j) {
|
// calculates a determinant 3x3
|
// [p.x p.y 1]
|
// [pi.x pi.y 1]
|
// [pj.x pj.y 1]
|
var pi = pts[i];
|
var pj = pts[j];
|
return function(p) {
|
var w = (i % 3 ? 3 : 1) * (j % 3 ? 3 : 1);
|
var lij = p.x * (pi.y - pj.y) + p.y * (pj.x - pi.x) + pi.x * pj.y - pi.y * pj.x;
|
return w * lij;
|
};
|
}
|
return function solveInversion(p) {
|
var ct = 3 * l(2, 3)(p1);
|
var c1 = l(1, 3)(p0) / ct;
|
var c2 = -l(2, 3)(p0) / ct;
|
var la = c1 * l(3, 1)(p) + c2 * (l(3, 0)(p) + l(2, 1)(p)) + l(2, 0)(p);
|
var lb = c1 * l(3, 0)(p) + c2 * l(2, 0)(p) + l(1, 0)(p);
|
return lb / (lb - la);
|
};
|
},
|
|
// Divide a Bezier curve into two at point defined by value 't' <0,1>.
|
// Using deCasteljau algorithm. http://math.stackexchange.com/a/317867
|
// @param control points (start, control start, control end, end)
|
// @return a function accepts t and returns 2 curves each defined by 4 control points.
|
getCurveDivider: function(p0, p1, p2, p3) {
|
return function divideCurve(t) {
|
var l = line(p0, p1).pointAt(t);
|
var m = line(p1, p2).pointAt(t);
|
var n = line(p2, p3).pointAt(t);
|
var p = line(l, m).pointAt(t);
|
var q = line(m, n).pointAt(t);
|
var r = line(p, q).pointAt(t);
|
return [{ p0: p0, p1: l, p2: p, p3: r }, { p0: r, p1: q, p2: n, p3: p3 }];
|
};
|
}
|
};
|
|
// Scale.
|
var scale = {
|
|
// Return the `value` from the `domain` interval scaled to the `range` interval.
|
linear: function(domain, range, value) {
|
|
var domainSpan = domain[1] - domain[0];
|
var rangeSpan = range[1] - range[0];
|
return (((value - domain[0]) / domainSpan) * rangeSpan + range[0]) || 0;
|
}
|
};
|
|
return {
|
toDeg: toDeg,
|
toRad: toRad,
|
snapToGrid: snapToGrid,
|
normalizeAngle: normalizeAngle,
|
point: point,
|
line: line,
|
rect: rect,
|
ellipse: ellipse,
|
bezier: bezier,
|
scale: scale
|
};
|
|
})();
|
|
// Vectorizer.
|
// -----------
|
|
// A tiny library for making your life easier when dealing with SVG.
|
// The only Vectorizer dependency is the Geometry library.
|
|
// Copyright © 2012 - 2015 client IO (http://client.io)
|
|
var V;
|
var Vectorizer;
|
|
V = Vectorizer = (function() {
|
|
'use strict';
|
|
var hasSvg = typeof window === 'object' &&
|
!!(
|
window.SVGAngle ||
|
document.implementation.hasFeature('http://www.w3.org/TR/SVG11/feature#BasicStructure', '1.1')
|
);
|
|
// SVG support is required.
|
if (!hasSvg) {
|
|
// Return a function that throws an error when it is used.
|
return function() {
|
throw new Error('SVG is required to use Vectorizer.');
|
};
|
}
|
|
// XML namespaces.
|
var ns = {
|
xmlns: 'http://www.w3.org/2000/svg',
|
xlink: 'http://www.w3.org/1999/xlink'
|
};
|
|
var SVGversion = '1.1';
|
|
var V = function(el, attrs, children) {
|
|
// This allows using V() without the new keyword.
|
if (!(this instanceof V)) {
|
return V.apply(Object.create(V.prototype), arguments);
|
}
|
|
if (!el) return;
|
|
if (V.isV(el)) {
|
el = el.node;
|
}
|
|
attrs = attrs || {};
|
|
if (V.isString(el)) {
|
|
if (el.toLowerCase() === 'svg') {
|
|
// Create a new SVG canvas.
|
el = V.createSvgDocument();
|
|
} else if (el[0] === '<') {
|
|
// Create element from an SVG string.
|
// Allows constructs of type: `document.appendChild(V('<rect></rect>').node)`.
|
|
var svgDoc = V.createSvgDocument(el);
|
|
// Note that `V()` might also return an array should the SVG string passed as
|
// the first argument contain more than one root element.
|
if (svgDoc.childNodes.length > 1) {
|
|
// Map child nodes to `V`s.
|
var arrayOfVels = [];
|
var i, len;
|
|
for (i = 0, len = svgDoc.childNodes.length; i < len; i++) {
|
|
var childNode = svgDoc.childNodes[i];
|
arrayOfVels.push(new V(document.importNode(childNode, true)));
|
}
|
|
return arrayOfVels;
|
}
|
|
el = document.importNode(svgDoc.firstChild, true);
|
|
} else {
|
|
el = document.createElementNS(ns.xmlns, el);
|
}
|
}
|
|
this.node = el;
|
|
if (!this.node.id) {
|
this.node.id = V.uniqueId();
|
}
|
|
this.setAttributes(attrs);
|
|
if (children) {
|
this.append(children);
|
}
|
|
return this;
|
};
|
|
/**
|
* @param {SVGGElement} toElem
|
* @returns {SVGMatrix}
|
*/
|
V.prototype.getTransformToElement = function(toElem) {
|
|
return toElem.getScreenCTM().inverse().multiply(this.node.getScreenCTM());
|
};
|
|
/**
|
* @param {SVGMatrix} matrix
|
* @returns {V, SVGMatrix} Setter / Getter
|
*/
|
V.prototype.transform = function(matrix) {
|
|
if (V.isUndefined(matrix)) {
|
return (this.node.parentNode)
|
? this.getTransformToElement(this.node.parentNode)
|
: this.node.getScreenCTM();
|
}
|
|
var svgTransform = V.createSVGTransform(matrix);
|
this.node.transform.baseVal.appendItem(svgTransform);
|
return this;
|
};
|
|
V.prototype.translate = function(tx, ty, opt) {
|
|
opt = opt || {};
|
ty = ty || 0;
|
|
var transformAttr = this.attr('transform') || '';
|
var transform = V.parseTransformString(transformAttr);
|
|
// Is it a getter?
|
if (V.isUndefined(tx)) {
|
return transform.translate;
|
}
|
|
transformAttr = transformAttr.replace(/translate\([^\)]*\)/g, '').trim();
|
|
var newTx = opt.absolute ? tx : transform.translate.tx + tx;
|
var newTy = opt.absolute ? ty : transform.translate.ty + ty;
|
var newTranslate = 'translate(' + newTx + ',' + newTy + ')';
|
|
// Note that `translate()` is always the first transformation. This is
|
// usually the desired case.
|
this.attr('transform', (newTranslate + ' ' + transformAttr).trim());
|
return this;
|
};
|
|
V.prototype.rotate = function(angle, cx, cy, opt) {
|
|
opt = opt || {};
|
|
var transformAttr = this.attr('transform') || '';
|
var transform = V.parseTransformString(transformAttr);
|
|
// Is it a getter?
|
if (V.isUndefined(angle)) {
|
return transform.rotate;
|
}
|
|
transformAttr = transformAttr.replace(/rotate\([^\)]*\)/g, '').trim();
|
|
angle %= 360;
|
|
var newAngle = opt.absolute ? angle : transform.rotate.angle + angle;
|
var newOrigin = (cx !== undefined && cy !== undefined) ? ',' + cx + ',' + cy : '';
|
var newRotate = 'rotate(' + newAngle + newOrigin + ')';
|
|
this.attr('transform', (transformAttr + ' ' + newRotate).trim());
|
return this;
|
};
|
|
// Note that `scale` as the only transformation does not combine with previous values.
|
V.prototype.scale = function(sx, sy) {
|
|
sy = V.isUndefined(sy) ? sx : sy;
|
|
var transformAttr = this.attr('transform') || '';
|
var transform = V.parseTransformString(transformAttr);
|
|
// Is it a getter?
|
if (V.isUndefined(sx)) {
|
return transform.scale;
|
}
|
|
transformAttr = transformAttr.replace(/scale\([^\)]*\)/g, '').trim();
|
|
var newScale = 'scale(' + sx + ',' + sy + ')';
|
|
this.attr('transform', (transformAttr + ' ' + newScale).trim());
|
return this;
|
};
|
|
// Get SVGRect that contains coordinates and dimension of the real bounding box,
|
// i.e. after transformations are applied.
|
// If `target` is specified, bounding box will be computed relatively to `target` element.
|
V.prototype.bbox = function(withoutTransformations, target) {
|
|
// If the element is not in the live DOM, it does not have a bounding box defined and
|
// so fall back to 'zero' dimension element.
|
if (!this.node.ownerSVGElement) return { x: 0, y: 0, width: 0, height: 0 };
|
|
var box;
|
try {
|
|
box = this.node.getBBox();
|
// We are creating a new object as the standard says that you can't
|
// modify the attributes of a bbox.
|
box = { x: box.x, y: box.y, width: box.width, height: box.height };
|
|
} catch (e) {
|
|
// Fallback for IE.
|
box = {
|
x: this.node.clientLeft,
|
y: this.node.clientTop,
|
width: this.node.clientWidth,
|
height: this.node.clientHeight
|
};
|
}
|
|
if (withoutTransformations) {
|
|
return box;
|
}
|
|
var matrix = this.getTransformToElement(target || this.node.ownerSVGElement);
|
|
return V.transformRect(box, matrix);
|
};
|
|
V.prototype.text = function(content, opt) {
|
|
// Replace all spaces with the Unicode No-break space (http://www.fileformat.info/info/unicode/char/a0/index.htm).
|
// IE would otherwise collapse all spaces into one.
|
content = V.sanitizeText(content);
|
opt = opt || {};
|
var lines = content.split('\n');
|
var i = 0;
|
var tspan;
|
|
// `alignment-baseline` does not work in Firefox.
|
// Setting `dominant-baseline` on the `<text>` element doesn't work in IE9.
|
// In order to have the 0,0 coordinate of the `<text>` element (or the first `<tspan>`)
|
// in the top left corner we translate the `<text>` element by `0.8em`.
|
// See `http://www.w3.org/Graphics/SVG/WG/wiki/How_to_determine_dominant_baseline`.
|
// See also `http://apike.ca/prog_svg_text_style.html`.
|
var y = this.attr('y');
|
if (!y) {
|
this.attr('y', '0.8em');
|
}
|
|
// An empty text gets rendered into the DOM in webkit-based browsers.
|
// In order to unify this behaviour across all browsers
|
// we rather hide the text element when it's empty.
|
this.attr('display', content ? null : 'none');
|
|
// Preserve spaces. In other words, we do not want consecutive spaces to get collapsed to one.
|
this.node.setAttributeNS('http://www.w3.org/XML/1998/namespace', 'xml:space', 'preserve');
|
|
// Easy way to erase all `<tspan>` children;
|
this.node.textContent = '';
|
|
var textNode = this.node;
|
|
if (opt.textPath) {
|
|
// Wrap the text in the SVG <textPath> element that points
|
// to a path defined by `opt.textPath` inside the internal `<defs>` element.
|
var defs = this.find('defs');
|
if (defs.length === 0) {
|
defs = V('defs');
|
this.append(defs);
|
}
|
|
// If `opt.textPath` is a plain string, consider it to be directly the
|
// SVG path data for the text to go along (this is a shortcut).
|
// Otherwise if it is an object and contains the `d` property, then this is our path.
|
var d = Object(opt.textPath) === opt.textPath ? opt.textPath.d : opt.textPath;
|
if (d) {
|
var path = V('path', { d: d });
|
defs.append(path);
|
}
|
|
var textPath = V('textPath');
|
// Set attributes on the `<textPath>`. The most important one
|
// is the `xlink:href` that points to our newly created `<path/>` element in `<defs/>`.
|
// Note that we also allow the following construct:
|
// `t.text('my text', { textPath: { 'xlink:href': '#my-other-path' } })`.
|
// In other words, one can completely skip the auto-creation of the path
|
// and use any other arbitrary path that is in the document.
|
if (!opt.textPath['xlink:href'] && path) {
|
textPath.attr('xlink:href', '#' + path.node.id);
|
}
|
|
if (Object(opt.textPath) === opt.textPath) {
|
textPath.attr(opt.textPath);
|
}
|
this.append(textPath);
|
// Now all the `<tspan>`s will be inside the `<textPath>`.
|
textNode = textPath.node;
|
}
|
|
var offset = 0;
|
|
for (var i = 0; i < lines.length; i++) {
|
|
var line = lines[i];
|
// Shift all the <tspan> but first by one line (`1em`)
|
var lineHeight = opt.lineHeight || '1em';
|
if (opt.lineHeight === 'auto') {
|
lineHeight = '1.5em';
|
}
|
var vLine = V('tspan', { dy: (i == 0 ? '0em' : lineHeight), x: this.attr('x') || 0 });
|
vLine.addClass('v-line');
|
|
if (line) {
|
|
if (opt.annotations) {
|
|
// Get the line height based on the biggest font size in the annotations for this line.
|
var maxFontSize = 0;
|
|
// Find the *compacted* annotations for this line.
|
var lineAnnotations = V.annotateString(lines[i], V.isArray(opt.annotations) ? opt.annotations : [opt.annotations], { offset: -offset, includeAnnotationIndices: opt.includeAnnotationIndices });
|
for (var j = 0; j < lineAnnotations.length; j++) {
|
|
var annotation = lineAnnotations[j];
|
if (V.isObject(annotation)) {
|
|
var fontSize = parseInt(annotation.attrs['font-size'], 10);
|
if (fontSize && fontSize > maxFontSize) {
|
maxFontSize = fontSize;
|
}
|
|
tspan = V('tspan', annotation.attrs);
|
if (opt.includeAnnotationIndices) {
|
// If `opt.includeAnnotationIndices` is `true`,
|
// set the list of indices of all the applied annotations
|
// in the `annotations` attribute. This list is a comma
|
// separated list of indices.
|
tspan.attr('annotations', annotation.annotations);
|
}
|
if (annotation.attrs['class']) {
|
tspan.addClass(annotation.attrs['class']);
|
}
|
tspan.node.textContent = annotation.t;
|
|
} else {
|
|
tspan = document.createTextNode(annotation || ' ');
|
|
}
|
vLine.append(tspan);
|
}
|
|
if (opt.lineHeight === 'auto' && maxFontSize && i !== 0) {
|
|
vLine.attr('dy', (maxFontSize * 1.2) + 'px');
|
}
|
|
} else {
|
|
vLine.node.textContent = line;
|
}
|
|
} else {
|
|
// Make sure the textContent is never empty. If it is, add a dummy
|
// character and make it invisible, making the following lines correctly
|
// relatively positioned. `dy=1em` won't work with empty lines otherwise.
|
vLine.addClass('v-empty-line');
|
vLine.node.style.opacity = 0;
|
vLine.node.textContent = '-';
|
}
|
|
V(textNode).append(vLine);
|
|
offset += line.length + 1; // + 1 = newline character.
|
}
|
|
return this;
|
};
|
|
V.prototype.attr = function(name, value) {
|
|
if (V.isUndefined(name)) {
|
|
// Return all attributes.
|
var attributes = this.node.attributes;
|
var attrs = {};
|
|
for (var i = 0; i < attributes.length; i++) {
|
attrs[attributes[i].nodeName] = attributes[i].nodeValue;
|
}
|
|
return attrs;
|
}
|
|
if (V.isString(name) && V.isUndefined(value)) {
|
return this.node.getAttribute(name);
|
}
|
|
if (typeof name === 'object') {
|
|
for (var attrName in name) {
|
if (name.hasOwnProperty(attrName)) {
|
V.setAttribute(this.node, attrName, name[attrName]);
|
}
|
}
|
|
} else {
|
|
V.setAttribute(this.node, name, value);
|
}
|
|
return this;
|
};
|
|
V.prototype.remove = function() {
|
|
if (this.node.parentNode) {
|
this.node.parentNode.removeChild(this.node);
|
}
|
|
return this;
|
};
|
|
V.prototype.empty = function() {
|
|
while (this.node.firstChild) {
|
this.node.removeChild(this.node.firstChild);
|
}
|
|
return this;
|
};
|
|
V.prototype.setAttributes = function(attrs) {
|
|
var key;
|
|
for (key in attrs) {
|
V.setAttribute(this.node, key, attrs[key]);
|
}
|
|
return this;
|
};
|
|
V.prototype.append = function(els) {
|
|
if (!V.isArray(els)) {
|
els = [els];
|
}
|
|
var i, len, el;
|
|
for (i = 0, len = els.length; i < len; i++) {
|
el = els[i];
|
this.node.appendChild(V.isV(el) ? el.node : (el.nodeName && el || el[0]));
|
}
|
|
return this;
|
};
|
|
V.prototype.prepend = function(el) {
|
|
this.node.insertBefore(V.isV(el) ? el.node : el, this.node.firstChild);
|
|
return this;
|
};
|
|
V.prototype.svg = function() {
|
|
return this.node instanceof window.SVGSVGElement ? this : V(this.node.ownerSVGElement);
|
};
|
|
V.prototype.defs = function() {
|
|
var defs = this.svg().node.getElementsByTagName('defs');
|
|
return (defs && defs.length) ? V(defs[0]) : undefined;
|
};
|
|
V.prototype.clone = function() {
|
|
var clone = V(this.node.cloneNode(true/* deep */));
|
// Note that clone inherits also ID. Therefore, we need to change it here.
|
clone.node.id = V.uniqueId();
|
return clone;
|
};
|
|
V.prototype.findOne = function(selector) {
|
|
var found = this.node.querySelector(selector);
|
return found ? V(found) : undefined;
|
};
|
|
V.prototype.find = function(selector) {
|
|
var vels = [];
|
var nodes = this.node.querySelectorAll(selector);
|
|
if (nodes) {
|
|
// Map DOM elements to `V`s.
|
for (var i = 0; i < nodes.length; i++) {
|
vels.push(V(nodes[i]));
|
}
|
}
|
|
return vels;
|
};
|
|
// Find an index of an element inside its container.
|
V.prototype.index = function() {
|
|
var index = 0;
|
var node = this.node.previousSibling;
|
|
while (node) {
|
// nodeType 1 for ELEMENT_NODE
|
if (node.nodeType === 1) index++;
|
node = node.previousSibling;
|
}
|
|
return index;
|
};
|
|
V.prototype.findParentByClass = function(className, terminator) {
|
|
var ownerSVGElement = this.node.ownerSVGElement;
|
var node = this.node.parentNode;
|
|
while (node && node !== terminator && node !== ownerSVGElement) {
|
|
var vel = V(node);
|
if (vel.hasClass(className)) {
|
return vel;
|
}
|
|
node = node.parentNode;
|
}
|
|
return null;
|
};
|
|
// Convert global point into the coordinate space of this element.
|
V.prototype.toLocalPoint = function(x, y) {
|
|
var svg = this.svg().node;
|
|
var p = svg.createSVGPoint();
|
p.x = x;
|
p.y = y;
|
|
try {
|
|
var globalPoint = p.matrixTransform(svg.getScreenCTM().inverse());
|
var globalToLocalMatrix = this.getTransformToElement(svg).inverse();
|
|
} catch (e) {
|
// IE9 throws an exception in odd cases. (`Unexpected call to method or property access`)
|
// We have to make do with the original coordianates.
|
return p;
|
}
|
|
return globalPoint.matrixTransform(globalToLocalMatrix);
|
};
|
|
V.prototype.translateCenterToPoint = function(p) {
|
|
var bbox = this.bbox();
|
var center = g.rect(bbox).center();
|
|
this.translate(p.x - center.x, p.y - center.y);
|
};
|
|
// Efficiently auto-orient an element. This basically implements the orient=auto attribute
|
// of markers. The easiest way of understanding on what this does is to imagine the element is an
|
// arrowhead. Calling this method on the arrowhead makes it point to the `position` point while
|
// being auto-oriented (properly rotated) towards the `reference` point.
|
// `target` is the element relative to which the transformations are applied. Usually a viewport.
|
V.prototype.translateAndAutoOrient = function(position, reference, target) {
|
|
// Clean-up previously set transformations except the scale. If we didn't clean up the
|
// previous transformations then they'd add up with the old ones. Scale is an exception as
|
// it doesn't add up, consider: `this.scale(2).scale(2).scale(2)`. The result is that the
|
// element is scaled by the factor 2, not 8.
|
|
var s = this.scale();
|
this.attr('transform', '');
|
this.scale(s.sx, s.sy);
|
|
var svg = this.svg().node;
|
var bbox = this.bbox(false, target);
|
|
// 1. Translate to origin.
|
var translateToOrigin = svg.createSVGTransform();
|
translateToOrigin.setTranslate(-bbox.x - bbox.width / 2, -bbox.y - bbox.height / 2);
|
|
// 2. Rotate around origin.
|
var rotateAroundOrigin = svg.createSVGTransform();
|
var angle = g.point(position).changeInAngle(position.x - reference.x, position.y - reference.y, reference);
|
rotateAroundOrigin.setRotate(angle, 0, 0);
|
|
// 3. Translate to the `position` + the offset (half my width) towards the `reference` point.
|
var translateFinal = svg.createSVGTransform();
|
var finalPosition = g.point(position).move(reference, bbox.width / 2);
|
translateFinal.setTranslate(position.x + (position.x - finalPosition.x), position.y + (position.y - finalPosition.y));
|
|
// 4. Apply transformations.
|
var ctm = this.getTransformToElement(target);
|
var transform = svg.createSVGTransform();
|
transform.setMatrix(
|
translateFinal.matrix.multiply(
|
rotateAroundOrigin.matrix.multiply(
|
translateToOrigin.matrix.multiply(
|
ctm)))
|
);
|
|
// Instead of directly setting the `matrix()` transform on the element, first, decompose
|
// the matrix into separate transforms. This allows us to use normal Vectorizer methods
|
// as they don't work on matrices. An example of this is to retrieve a scale of an element.
|
// this.node.transform.baseVal.initialize(transform);
|
|
var decomposition = V.decomposeMatrix(transform.matrix);
|
|
this.translate(decomposition.translateX, decomposition.translateY);
|
this.rotate(decomposition.rotation);
|
// Note that scale has been already applied, hence the following line stays commented. (it's here just for reference).
|
//this.scale(decomposition.scaleX, decomposition.scaleY);
|
|
return this;
|
};
|
|
V.prototype.animateAlongPath = function(attrs, path) {
|
|
var animateMotion = V('animateMotion', attrs);
|
var mpath = V('mpath', { 'xlink:href': '#' + V(path).node.id });
|
|
animateMotion.append(mpath);
|
|
this.append(animateMotion);
|
try {
|
animateMotion.node.beginElement();
|
} catch (e) {
|
// Fallback for IE 9.
|
// Run the animation programatically if FakeSmile (`http://leunen.me/fakesmile/`) present
|
if (document.documentElement.getAttribute('smiling') === 'fake') {
|
|
// Register the animation. (See `https://answers.launchpad.net/smil/+question/203333`)
|
var animation = animateMotion.node;
|
animation.animators = [];
|
|
var animationID = animation.getAttribute('id');
|
if (animationID) id2anim[animationID] = animation;
|
|
var targets = getTargets(animation);
|
for (var i = 0, len = targets.length; i < len; i++) {
|
var target = targets[i];
|
var animator = new Animator(animation, target, i);
|
animators.push(animator);
|
animation.animators[i] = animator;
|
animator.register();
|
}
|
}
|
}
|
};
|
|
V.prototype.hasClass = function(className) {
|
|
return new RegExp('(\\s|^)' + className + '(\\s|$)').test(this.node.getAttribute('class'));
|
};
|
|
V.prototype.addClass = function(className) {
|
|
if (!this.hasClass(className)) {
|
var prevClasses = this.node.getAttribute('class') || '';
|
this.node.setAttribute('class', (prevClasses + ' ' + className).trim());
|
}
|
|
return this;
|
};
|
|
V.prototype.removeClass = function(className) {
|
|
if (this.hasClass(className)) {
|
var newClasses = this.node.getAttribute('class').replace(new RegExp('(\\s|^)' + className + '(\\s|$)', 'g'), '$2');
|
this.node.setAttribute('class', newClasses);
|
}
|
|
return this;
|
};
|
|
V.prototype.toggleClass = function(className, toAdd) {
|
|
var toRemove = V.isUndefined(toAdd) ? this.hasClass(className) : !toAdd;
|
|
if (toRemove) {
|
this.removeClass(className);
|
} else {
|
this.addClass(className);
|
}
|
|
return this;
|
};
|
|
// Interpolate path by discrete points. The precision of the sampling
|
// is controlled by `interval`. In other words, `sample()` will generate
|
// a point on the path starting at the beginning of the path going to the end
|
// every `interval` pixels.
|
// The sampler can be very useful for e.g. finding intersection between two
|
// paths (finding the two closest points from two samples).
|
V.prototype.sample = function(interval) {
|
|
interval = interval || 1;
|
var node = this.node;
|
var length = node.getTotalLength();
|
var samples = [];
|
var distance = 0;
|
var sample;
|
while (distance < length) {
|
sample = node.getPointAtLength(distance);
|
samples.push({ x: sample.x, y: sample.y, distance: distance });
|
distance += interval;
|
}
|
return samples;
|
};
|
|
V.prototype.convertToPath = function() {
|
|
var path = V('path');
|
path.attr(this.attr());
|
var d = this.convertToPathData();
|
if (d) {
|
path.attr('d', d);
|
}
|
return path;
|
};
|
|
V.prototype.convertToPathData = function() {
|
|
var tagName = this.node.tagName.toUpperCase();
|
|
switch (tagName) {
|
case 'PATH':
|
return this.attr('d');
|
case 'LINE':
|
return V.convertLineToPathData(this.node);
|
case 'POLYGON':
|
return V.convertPolygonToPathData(this.node);
|
case 'POLYLINE':
|
return V.convertPolylineToPathData(this.node);
|
case 'ELLIPSE':
|
return V.convertEllipseToPathData(this.node);
|
case 'CIRCLE':
|
return V.convertCircleToPathData(this.node);
|
case 'RECT':
|
return V.convertRectToPathData(this.node);
|
}
|
|
throw new Error(tagName + ' cannot be converted to PATH.');
|
};
|
|
// Find the intersection of a line starting in the center
|
// of the SVG `node` ending in the point `ref`.
|
// `target` is an SVG element to which `node`s transformations are relative to.
|
// In JointJS, `target` is the `paper.viewport` SVG group element.
|
// Note that `ref` point must be in the coordinate system of the `target` for this function to work properly.
|
// Returns a point in the `target` coordinte system (the same system as `ref` is in) if
|
// an intersection is found. Returns `undefined` otherwise.
|
V.prototype.findIntersection = function(ref, target) {
|
|
var svg = this.svg().node;
|
target = target || svg;
|
var bbox = g.rect(this.bbox(false, target));
|
var center = bbox.center();
|
|
if (!bbox.intersectionWithLineFromCenterToPoint(ref)) return undefined;
|
|
var spot;
|
var tagName = this.node.localName.toUpperCase();
|
|
// Little speed up optimalization for `<rect>` element. We do not do conversion
|
// to path element and sampling but directly calculate the intersection through
|
// a transformed geometrical rectangle.
|
if (tagName === 'RECT') {
|
|
var gRect = g.rect(
|
parseFloat(this.attr('x') || 0),
|
parseFloat(this.attr('y') || 0),
|
parseFloat(this.attr('width')),
|
parseFloat(this.attr('height'))
|
);
|
// Get the rect transformation matrix with regards to the SVG document.
|
var rectMatrix = this.getTransformToElement(target);
|
// Decompose the matrix to find the rotation angle.
|
var rectMatrixComponents = V.decomposeMatrix(rectMatrix);
|
// Now we want to rotate the rectangle back so that we
|
// can use `intersectionWithLineFromCenterToPoint()` passing the angle as the second argument.
|
var resetRotation = svg.createSVGTransform();
|
resetRotation.setRotate(-rectMatrixComponents.rotation, center.x, center.y);
|
var rect = V.transformRect(gRect, resetRotation.matrix.multiply(rectMatrix));
|
spot = g.rect(rect).intersectionWithLineFromCenterToPoint(ref, rectMatrixComponents.rotation);
|
|
} else if (tagName === 'PATH' || tagName === 'POLYGON' || tagName === 'POLYLINE' || tagName === 'CIRCLE' || tagName === 'ELLIPSE') {
|
|
var pathNode = (tagName === 'PATH') ? this : this.convertToPath();
|
var samples = pathNode.sample();
|
var minDistance = Infinity;
|
var closestSamples = [];
|
|
var i, sample, gp, centerDistance, refDistance, distance;
|
|
for (i = 0; i < samples.length; i++) {
|
|
sample = samples[i];
|
// Convert the sample point in the local coordinate system to the global coordinate system.
|
gp = V.createSVGPoint(sample.x, sample.y);
|
gp = gp.matrixTransform(this.getTransformToElement(target));
|
sample = g.point(gp);
|
centerDistance = sample.distance(center);
|
// Penalize a higher distance to the reference point by 10%.
|
// This gives better results. This is due to
|
// inaccuracies introduced by rounding errors and getPointAtLength() returns.
|
refDistance = sample.distance(ref) * 1.1;
|
distance = centerDistance + refDistance;
|
|
if (distance < minDistance) {
|
minDistance = distance;
|
closestSamples = [{ sample: sample, refDistance: refDistance }];
|
} else if (distance < minDistance + 1) {
|
closestSamples.push({ sample: sample, refDistance: refDistance });
|
}
|
}
|
|
closestSamples.sort(function(a, b) {
|
return a.refDistance - b.refDistance;
|
});
|
|
if (closestSamples[0]) {
|
spot = closestSamples[0].sample;
|
}
|
}
|
|
return spot;
|
};
|
|
// Create an SVG document element.
|
// If `content` is passed, it will be used as the SVG content of the `<svg>` root element.
|
V.createSvgDocument = function(content) {
|
|
var svg = '<svg xmlns="' + ns.xmlns + '" xmlns:xlink="' + ns.xlink + '" version="' + SVGversion + '">' + (content || '') + '</svg>';
|
var xml = V.parseXML(svg, { async: false });
|
return xml.documentElement;
|
};
|
|
V.idCounter = 0;
|
|
// A function returning a unique identifier for this client session with every call.
|
V.uniqueId = function() {
|
|
var id = ++V.idCounter + '';
|
return 'v-' + id;
|
};
|
|
// Replace all spaces with the Unicode No-break space (http://www.fileformat.info/info/unicode/char/a0/index.htm).
|
// IE would otherwise collapse all spaces into one. This is used in the text() method but it is
|
// also exposed so that the programmer can use it in case he needs to. This is useful e.g. in tests
|
// when you want to compare the actual DOM text content without having to add the unicode character in
|
// the place of all spaces.
|
V.sanitizeText = function(text) {
|
|
return (text || '').replace(/ /g, '\u00A0');
|
};
|
|
V.isUndefined = function(value) {
|
|
return typeof value === 'undefined';
|
};
|
|
V.isString = function(value) {
|
|
return typeof value === 'string';
|
};
|
|
V.isObject = function(value) {
|
|
return value && (typeof value === 'object');
|
};
|
|
V.isArray = Array.isArray;
|
|
V.parseXML = function(data, opt) {
|
|
opt = opt || {};
|
|
var xml;
|
|
try {
|
var parser = new DOMParser();
|
|
if (!V.isUndefined(opt.async)) {
|
parser.async = opt.async;
|
}
|
|
xml = parser.parseFromString(data, 'text/xml');
|
} catch (error) {
|
xml = undefined;
|
}
|
|
if (!xml || xml.getElementsByTagName('parsererror').length) {
|
throw new Error('Invalid XML: ' + data);
|
}
|
|
return xml;
|
};
|
|
V.setAttribute = function(el, name, value) {
|
|
if (name.indexOf(':') > -1) {
|
// Attribute names can be namespaced. E.g. `image` elements
|
// have a `xlink:href` attribute to set the source of the image.
|
var combinedKey = name.split(':');
|
el.setAttributeNS(ns[combinedKey[0]], combinedKey[1], value);
|
|
} else if (name === 'id') {
|
el.id = value;
|
} else {
|
el.setAttribute(name, value);
|
}
|
};
|
|
V.parseTransformString = function(transform) {
|
|
var translate, rotate, scale;
|
|
if (transform) {
|
|
var separator = /[ ,]+/;
|
|
var translateMatch = transform.match(/translate\((.*)\)/);
|
if (translateMatch) {
|
translate = translateMatch[1].split(separator);
|
}
|
var rotateMatch = transform.match(/rotate\((.*)\)/);
|
if (rotateMatch) {
|
rotate = rotateMatch[1].split(separator);
|
}
|
var scaleMatch = transform.match(/scale\((.*)\)/);
|
if (scaleMatch) {
|
scale = scaleMatch[1].split(separator);
|
}
|
}
|
|
var sx = (scale && scale[0]) ? parseFloat(scale[0]) : 1;
|
|
return {
|
translate: {
|
tx: (translate && translate[0]) ? parseInt(translate[0], 10) : 0,
|
ty: (translate && translate[1]) ? parseInt(translate[1], 10) : 0
|
},
|
rotate: {
|
angle: (rotate && rotate[0]) ? parseInt(rotate[0], 10) : 0,
|
cx: (rotate && rotate[1]) ? parseInt(rotate[1], 10) : undefined,
|
cy: (rotate && rotate[2]) ? parseInt(rotate[2], 10) : undefined
|
},
|
scale: {
|
sx: sx,
|
sy: (scale && scale[1]) ? parseFloat(scale[1]) : sx
|
}
|
};
|
};
|
|
V.deltaTransformPoint = function(matrix, point) {
|
|
var dx = point.x * matrix.a + point.y * matrix.c + 0;
|
var dy = point.x * matrix.b + point.y * matrix.d + 0;
|
return { x: dx, y: dy };
|
};
|
|
V.decomposeMatrix = function(matrix) {
|
|
// @see https://gist.github.com/2052247
|
|
// calculate delta transform point
|
var px = V.deltaTransformPoint(matrix, { x: 0, y: 1 });
|
var py = V.deltaTransformPoint(matrix, { x: 1, y: 0 });
|
|
// calculate skew
|
var skewX = ((180 / Math.PI) * Math.atan2(px.y, px.x) - 90);
|
var skewY = ((180 / Math.PI) * Math.atan2(py.y, py.x));
|
|
return {
|
|
translateX: matrix.e,
|
translateY: matrix.f,
|
scaleX: Math.sqrt(matrix.a * matrix.a + matrix.b * matrix.b),
|
scaleY: Math.sqrt(matrix.c * matrix.c + matrix.d * matrix.d),
|
skewX: skewX,
|
skewY: skewY,
|
rotation: skewX // rotation is the same as skew x
|
};
|
};
|
|
V.isV = function(object) {
|
|
return object instanceof V;
|
};
|
|
// For backwards compatibility:
|
V.isVElement = V.isV;
|
|
var svgDocument = V('svg').node;
|
|
V.createSVGMatrix = function(matrix) {
|
|
var svgMatrix = svgDocument.createSVGMatrix();
|
for (var component in matrix) {
|
svgMatrix[component] = matrix[component];
|
}
|
|
return svgMatrix;
|
};
|
|
V.createSVGTransform = function(matrix) {
|
|
if (!V.isUndefined(matrix)) {
|
|
if (!(matrix instanceof SVGMatrix)) {
|
matrix = V.createSVGMatrix(matrix);
|
}
|
|
return svgDocument.createSVGTransformFromMatrix(matrix);
|
}
|
|
return svgDocument.createSVGTransform();
|
};
|
|
V.createSVGPoint = function(x, y) {
|
|
var p = svgDocument.createSVGPoint();
|
p.x = x;
|
p.y = y;
|
return p;
|
};
|
|
V.transformRect = function(r, matrix) {
|
|
var p = svgDocument.createSVGPoint();
|
|
p.x = r.x;
|
p.y = r.y;
|
var corner1 = p.matrixTransform(matrix);
|
|
p.x = r.x + r.width;
|
p.y = r.y;
|
var corner2 = p.matrixTransform(matrix);
|
|
p.x = r.x + r.width;
|
p.y = r.y + r.height;
|
var corner3 = p.matrixTransform(matrix);
|
|
p.x = r.x;
|
p.y = r.y + r.height;
|
var corner4 = p.matrixTransform(matrix);
|
|
var minX = Math.min(corner1.x, corner2.x, corner3.x, corner4.x);
|
var maxX = Math.max(corner1.x, corner2.x, corner3.x, corner4.x);
|
var minY = Math.min(corner1.y, corner2.y, corner3.y, corner4.y);
|
var maxY = Math.max(corner1.y, corner2.y, corner3.y, corner4.y);
|
|
return { x: minX, y: minY, width: maxX - minX, height: maxY - minY };
|
};
|
|
V.transformPoint = function(p, matrix) {
|
|
return V.createSVGPoint(p.x, p.y).matrixTransform(matrix);
|
};
|
|
// Convert a style represented as string (e.g. `'fill="blue"; stroke="red"'`) to
|
// an object (`{ fill: 'blue', stroke: 'red' }`).
|
V.styleToObject = function(styleString) {
|
var ret = {};
|
var styles = styleString.split(';');
|
for (var i = 0; i < styles.length; i++) {
|
var style = styles[i];
|
var pair = style.split('=');
|
ret[pair[0].trim()] = pair[1].trim();
|
}
|
return ret;
|
};
|
|
// Inspired by d3.js https://github.com/mbostock/d3/blob/master/src/svg/arc.js
|
V.createSlicePathData = function(innerRadius, outerRadius, startAngle, endAngle) {
|
|
var svgArcMax = 2 * Math.PI - 1e-6;
|
var r0 = innerRadius;
|
var r1 = outerRadius;
|
var a0 = startAngle;
|
var a1 = endAngle;
|
var da = (a1 < a0 && (da = a0, a0 = a1, a1 = da), a1 - a0);
|
var df = da < Math.PI ? '0' : '1';
|
var c0 = Math.cos(a0);
|
var s0 = Math.sin(a0);
|
var c1 = Math.cos(a1);
|
var s1 = Math.sin(a1);
|
|
return (da >= svgArcMax)
|
? (r0
|
? 'M0,' + r1
|
+ 'A' + r1 + ',' + r1 + ' 0 1,1 0,' + (-r1)
|
+ 'A' + r1 + ',' + r1 + ' 0 1,1 0,' + r1
|
+ 'M0,' + r0
|
+ 'A' + r0 + ',' + r0 + ' 0 1,0 0,' + (-r0)
|
+ 'A' + r0 + ',' + r0 + ' 0 1,0 0,' + r0
|
+ 'Z'
|
: 'M0,' + r1
|
+ 'A' + r1 + ',' + r1 + ' 0 1,1 0,' + (-r1)
|
+ 'A' + r1 + ',' + r1 + ' 0 1,1 0,' + r1
|
+ 'Z')
|
: (r0
|
? 'M' + r1 * c0 + ',' + r1 * s0
|
+ 'A' + r1 + ',' + r1 + ' 0 ' + df + ',1 ' + r1 * c1 + ',' + r1 * s1
|
+ 'L' + r0 * c1 + ',' + r0 * s1
|
+ 'A' + r0 + ',' + r0 + ' 0 ' + df + ',0 ' + r0 * c0 + ',' + r0 * s0
|
+ 'Z'
|
: 'M' + r1 * c0 + ',' + r1 * s0
|
+ 'A' + r1 + ',' + r1 + ' 0 ' + df + ',1 ' + r1 * c1 + ',' + r1 * s1
|
+ 'L0,0'
|
+ 'Z');
|
};
|
|
// Merge attributes from object `b` with attributes in object `a`.
|
// Note that this modifies the object `a`.
|
// Also important to note that attributes are merged but CSS classes are concatenated.
|
V.mergeAttrs = function(a, b) {
|
|
for (var attr in b) {
|
|
if (attr === 'class') {
|
// Concatenate classes.
|
a[attr] = a[attr] ? a[attr] + ' ' + b[attr] : b[attr];
|
} else if (attr === 'style') {
|
// `style` attribute can be an object.
|
if (V.isObject(a[attr]) && V.isObject(b[attr])) {
|
// `style` stored in `a` is an object.
|
a[attr] = V.mergeAttrs(a[attr], b[attr]);
|
} else if (V.isObject(a[attr])) {
|
// `style` in `a` is an object but it's a string in `b`.
|
// Convert the style represented as a string to an object in `b`.
|
a[attr] = V.mergeAttrs(a[attr], V.styleToObject(b[attr]));
|
} else if (V.isObject(b[attr])) {
|
// `style` in `a` is a string, in `b` it's an object.
|
a[attr] = V.mergeAttrs(V.styleToObject(a[attr]), b[attr]);
|
} else {
|
// Both styles are strings.
|
a[attr] = V.mergeAttrs(V.styleToObject(a[attr]), V.styleToObject(b[attr]));
|
}
|
} else {
|
a[attr] = b[attr];
|
}
|
}
|
|
return a;
|
};
|
|
V.annotateString = function(t, annotations, opt) {
|
|
annotations = annotations || [];
|
opt = opt || {};
|
|
var offset = opt.offset || 0;
|
var compacted = [];
|
var batch;
|
var ret = [];
|
var item;
|
var prev;
|
|
for (var i = 0; i < t.length; i++) {
|
|
item = ret[i] = t[i];
|
|
for (var j = 0; j < annotations.length; j++) {
|
|
var annotation = annotations[j];
|
var start = annotation.start + offset;
|
var end = annotation.end + offset;
|
|
if (i >= start && i < end) {
|
// Annotation applies.
|
if (V.isObject(item)) {
|
// There is more than one annotation to be applied => Merge attributes.
|
item.attrs = V.mergeAttrs(V.mergeAttrs({}, item.attrs), annotation.attrs);
|
} else {
|
item = ret[i] = { t: t[i], attrs: annotation.attrs };
|
}
|
if (opt.includeAnnotationIndices) {
|
(item.annotations || (item.annotations = [])).push(j);
|
}
|
}
|
}
|
|
prev = ret[i - 1];
|
|
if (!prev) {
|
|
batch = item;
|
|
} else if (V.isObject(item) && V.isObject(prev)) {
|
// Both previous item and the current one are annotations. If the attributes
|
// didn't change, merge the text.
|
if (JSON.stringify(item.attrs) === JSON.stringify(prev.attrs)) {
|
batch.t += item.t;
|
} else {
|
compacted.push(batch);
|
batch = item;
|
}
|
|
} else if (V.isObject(item)) {
|
// Previous item was a string, current item is an annotation.
|
compacted.push(batch);
|
batch = item;
|
|
} else if (V.isObject(prev)) {
|
// Previous item was an annotation, current item is a string.
|
compacted.push(batch);
|
batch = item;
|
|
} else {
|
// Both previous and current item are strings.
|
batch = (batch || '') + item;
|
}
|
}
|
|
if (batch) {
|
compacted.push(batch);
|
}
|
|
return compacted;
|
};
|
|
V.findAnnotationsAtIndex = function(annotations, index) {
|
|
var found = [];
|
|
if (annotations) {
|
|
annotations.forEach(function(annotation) {
|
|
if (annotation.start < index && index <= annotation.end) {
|
found.push(annotation);
|
}
|
});
|
}
|
|
return found;
|
};
|
|
V.findAnnotationsBetweenIndexes = function(annotations, start, end) {
|
|
var found = [];
|
|
if (annotations) {
|
|
annotations.forEach(function(annotation) {
|
|
if ((start >= annotation.start && start < annotation.end) || (end > annotation.start && end <= annotation.end) || (annotation.start >= start && annotation.end < end)) {
|
found.push(annotation);
|
}
|
});
|
}
|
|
return found;
|
};
|
|
// Shift all the text annotations after character `index` by `offset` positions.
|
V.shiftAnnotations = function(annotations, index, offset) {
|
|
if (annotations) {
|
|
annotations.forEach(function(annotation) {
|
|
if (annotation.start < index && annotation.end >= index) {
|
annotation.end += offset;
|
} else if (annotation.start >= index) {
|
annotation.start += offset;
|
annotation.end += offset;
|
}
|
});
|
}
|
|
return annotations;
|
};
|
|
V.convertLineToPathData = function(line) {
|
|
line = V(line);
|
var d = [
|
'M', line.attr('x1'), line.attr('y1'),
|
'L', line.attr('x2'), line.attr('y2')
|
].join(' ');
|
return d;
|
};
|
|
V.convertPolygonToPathData = function(polygon) {
|
|
polygon = V(polygon);
|
|
var points = V.getPointsFromSvgNode(polygon.node);
|
|
if (!(points.length > 0)) return null;
|
|
return V.svgPointsToPath(points);
|
};
|
|
V.convertPolylineToPathData = function(polyline) {
|
|
var points = V.getPointsFromSvgNode(polyline.node);
|
|
if (!(points.length > 0)) return null;
|
|
return V.svgPointsToPath(points);
|
};
|
|
V.svgPointsToPath = function(points) {
|
|
var i;
|
|
for (i = 0; i < points.length; i++) {
|
points[i] = points[i].x + ' ' + points[i].y;
|
}
|
|
return 'M ' + points.join(' L') + ' Z';
|
};
|
|
V.getPointsFromSvgNode = function(node) {
|
|
var points = [];
|
var i;
|
|
for (i = 0; i < node.points.numberOfItems; i++) {
|
points.push(node.points.getItem(i));
|
}
|
|
return points;
|
};
|
|
V.KAPPA = 0.5522847498307935;
|
|
V.convertCircleToPathData = function(circle) {
|
|
circle = V(circle);
|
var cx = parseFloat(circle.attr('cx')) || 0;
|
var cy = parseFloat(circle.attr('cy')) || 0;
|
var r = parseFloat(circle.attr('r'));
|
var cd = r * V.KAPPA; // Control distance.
|
|
var d = [
|
'M', cx, cy - r, // Move to the first point.
|
'C', cx + cd, cy - r, cx + r, cy - cd, cx + r, cy, // I. Quadrant.
|
'C', cx + r, cy + cd, cx + cd, cy + r, cx, cy + r, // II. Quadrant.
|
'C', cx - cd, cy + r, cx - r, cy + cd, cx - r, cy, // III. Quadrant.
|
'C', cx - r, cy - cd, cx - cd, cy - r, cx, cy - r, // IV. Quadrant.
|
'Z'
|
].join(' ');
|
return d;
|
};
|
|
V.convertEllipseToPathData = function(ellipse) {
|
|
ellipse = V(ellipse);
|
var cx = parseFloat(ellipse.attr('cx')) || 0;
|
var cy = parseFloat(ellipse.attr('cy')) || 0;
|
var rx = parseFloat(ellipse.attr('rx'));
|
var ry = parseFloat(ellipse.attr('ry')) || rx;
|
var cdx = rx * V.KAPPA; // Control distance x.
|
var cdy = ry * V.KAPPA; // Control distance y.
|
|
var d = [
|
'M', cx, cy - ry, // Move to the first point.
|
'C', cx + cdx, cy - ry, cx + rx, cy - cdy, cx + rx, cy, // I. Quadrant.
|
'C', cx + rx, cy + cdy, cx + cdx, cy + ry, cx, cy + ry, // II. Quadrant.
|
'C', cx - cdx, cy + ry, cx - rx, cy + cdy, cx - rx, cy, // III. Quadrant.
|
'C', cx - rx, cy - cdy, cx - cdx, cy - ry, cx, cy - ry, // IV. Quadrant.
|
'Z'
|
].join(' ');
|
return d;
|
};
|
|
V.convertRectToPathData = function(rect) {
|
|
rect = V(rect);
|
var x = parseFloat(rect.attr('x')) || 0;
|
var y = parseFloat(rect.attr('y')) || 0;
|
var width = parseFloat(rect.attr('width')) || 0;
|
var height = parseFloat(rect.attr('height')) || 0;
|
var rx = parseFloat(rect.attr('rx')) || 0;
|
var ry = parseFloat(rect.attr('ry')) || 0;
|
var bbox = g.rect(x, y, width, height);
|
|
var d;
|
|
if (!rx && !ry) {
|
|
d = [
|
'M', bbox.origin().x, bbox.origin().y,
|
'H', bbox.corner().x,
|
'V', bbox.corner().y,
|
'H', bbox.origin().x,
|
'V', bbox.origin().y,
|
'Z'
|
].join(' ');
|
|
} else {
|
|
var r = x + width;
|
var b = y + height;
|
d = [
|
'M', x + rx, y,
|
'L', r - rx, y,
|
'Q', r, y, r, y + ry,
|
'L', r, y + height - ry,
|
'Q', r, b, r - rx, b,
|
'L', x + rx, b,
|
'Q', x, b, x, b - rx,
|
'L', x, y + ry,
|
'Q', x, y, x + rx, y,
|
'Z'
|
].join(' ');
|
}
|
return d;
|
};
|
|
// Convert a rectangle to SVG path commands. `r` is an object of the form:
|
// `{ x: [number], y: [number], width: [number], height: [number], top-ry: [number], top-ry: [number], bottom-rx: [number], bottom-ry: [number] }`,
|
// where `x, y, width, height` are the usual rectangle attributes and [top-/bottom-]rx/ry allows for
|
// specifying radius of the rectangle for all its sides (as opposed to the built-in SVG rectangle
|
// that has only `rx` and `ry` attributes).
|
V.rectToPath = function(r) {
|
|
var topRx = r.rx || r['top-rx'] || 0;
|
var bottomRx = r.rx || r['bottom-rx'] || 0;
|
var topRy = r.ry || r['top-ry'] || 0;
|
var bottomRy = r.ry || r['bottom-ry'] || 0;
|
|
return [
|
'M', r.x, r.y + topRy,
|
'v', r.height - topRy - bottomRy,
|
'a', bottomRx, bottomRy, 0, 0, 0, bottomRx, bottomRy,
|
'h', r.width - 2 * bottomRx,
|
'a', bottomRx, bottomRy, 0, 0, 0, bottomRx, -bottomRy,
|
'v', -(r.height - bottomRy - topRy),
|
'a', topRx, topRy, 0, 0, 0, -topRx, -topRy,
|
'h', -(r.width - 2 * topRx),
|
'a', topRx, topRy, 0, 0, 0, -topRx, topRy
|
].join(' ');
|
};
|
|
return V;
|
|
})();
|
|
// JointJS library.
|
// (c) 2011-2015 client IO
|
|
// Global namespace.
|
|
var joint = {
|
|
version: '0.9.7',
|
|
// `joint.dia` namespace.
|
dia: {},
|
|
// `joint.ui` namespace.
|
ui: {},
|
|
// `joint.layout` namespace.
|
layout: {},
|
|
// `joint.shapes` namespace.
|
shapes: {},
|
|
// `joint.format` namespace.
|
format: {},
|
|
// `joint.connectors` namespace.
|
connectors: {},
|
|
// `joint.highlighters` namespace.
|
highlighters: {},
|
|
// `joint.routers` namespace.
|
routers: {},
|
|
// `joint.mvc` namespace.
|
mvc: {
|
views: {}
|
},
|
|
setTheme: function(theme, opt) {
|
|
opt = opt || {};
|
|
_.invoke(joint.mvc.views, 'setTheme', theme, opt);
|
|
// Update the default theme on the view prototype.
|
joint.mvc.View.prototype.options.theme = theme;
|
},
|
|
// `joint.env` namespace.
|
env: {
|
|
_results: {},
|
|
_tests: {
|
|
svgforeignobject: function() {
|
return !!document.createElementNS &&
|
/SVGForeignObject/.test(({}).toString.call(document.createElementNS('http://www.w3.org/2000/svg', 'foreignObject')));
|
}
|
},
|
|
addTest: function(name, fn) {
|
|
return joint.env._tests[name] = fn;
|
},
|
|
test: function(name) {
|
|
var fn = joint.env._tests[name];
|
|
if (!fn) {
|
throw new Error('Test not defined ("' + name + '"). Use `joint.env.addTest(name, fn) to add a new test.`');
|
}
|
|
var result = joint.env._results[name];
|
|
if (typeof result !== 'undefined') {
|
return result;
|
}
|
|
try {
|
result = fn();
|
} catch (error) {
|
result = false;
|
}
|
|
// Cache the test result.
|
joint.env._results[name] = result;
|
|
return result;
|
}
|
},
|
|
util: {
|
|
// Return a simple hash code from a string. See http://werxltd.com/wp/2010/05/13/javascript-implementation-of-javas-string-hashcode-method/.
|
hashCode: function(str) {
|
|
var hash = 0;
|
if (str.length == 0) return hash;
|
for (var i = 0; i < str.length; i++) {
|
var c = str.charCodeAt(i);
|
hash = ((hash << 5) - hash) + c;
|
hash = hash & hash; // Convert to 32bit integer
|
}
|
return hash;
|
},
|
|
getByPath: function(obj, path, delim) {
|
|
delim = delim || '/';
|
var keys = path.split(delim);
|
var key;
|
|
while (keys.length) {
|
key = keys.shift();
|
if (Object(obj) === obj && key in obj) {
|
obj = obj[key];
|
} else {
|
return undefined;
|
}
|
}
|
return obj;
|
},
|
|
setByPath: function(obj, path, value, delim) {
|
|
delim = delim || '/';
|
|
var keys = path.split(delim);
|
var diver = obj;
|
var i = 0;
|
|
if (path.indexOf(delim) > -1) {
|
|
for (var len = keys.length; i < len - 1; i++) {
|
// diver creates an empty object if there is no nested object under such a key.
|
// This means that one can populate an empty nested object with setByPath().
|
diver = diver[keys[i]] || (diver[keys[i]] = {});
|
}
|
diver[keys[len - 1]] = value;
|
} else {
|
obj[path] = value;
|
}
|
return obj;
|
},
|
|
unsetByPath: function(obj, path, delim) {
|
|
delim = delim || '/';
|
|
// index of the last delimiter
|
var i = path.lastIndexOf(delim);
|
|
if (i > -1) {
|
|
// unsetting a nested attribute
|
var parent = joint.util.getByPath(obj, path.substr(0, i), delim);
|
|
if (parent) {
|
delete parent[path.slice(i + 1)];
|
}
|
|
} else {
|
|
// unsetting a primitive attribute
|
delete obj[path];
|
}
|
|
return obj;
|
},
|
|
flattenObject: function(obj, delim, stop) {
|
|
delim = delim || '/';
|
var ret = {};
|
|
for (var key in obj) {
|
|
if (!obj.hasOwnProperty(key)) continue;
|
|
var shouldGoDeeper = typeof obj[key] === 'object';
|
if (shouldGoDeeper && stop && stop(obj[key])) {
|
shouldGoDeeper = false;
|
}
|
|
if (shouldGoDeeper) {
|
|
var flatObject = this.flattenObject(obj[key], delim, stop);
|
|
for (var flatKey in flatObject) {
|
if (!flatObject.hasOwnProperty(flatKey)) continue;
|
ret[key + delim + flatKey] = flatObject[flatKey];
|
}
|
|
} else {
|
|
ret[key] = obj[key];
|
}
|
}
|
|
return ret;
|
},
|
|
uuid: function() {
|
|
// credit: http://stackoverflow.com/posts/2117523/revisions
|
|
return 'xxxxxxxx-xxxx-4xxx-yxxx-xxxxxxxxxxxx'.replace(/[xy]/g, function(c) {
|
var r = Math.random() * 16|0;
|
var v = c == 'x' ? r : (r&0x3|0x8);
|
return v.toString(16);
|
});
|
},
|
|
// Generate global unique id for obj and store it as a property of the object.
|
guid: function(obj) {
|
|
this.guid.id = this.guid.id || 1;
|
obj.id = (obj.id === undefined ? 'j_' + this.guid.id++ : obj.id);
|
return obj.id;
|
},
|
|
// Copy all the properties to the first argument from the following arguments.
|
// All the properties will be overwritten by the properties from the following
|
// arguments. Inherited properties are ignored.
|
mixin: function() {
|
|
var target = arguments[0];
|
|
for (var i = 1, l = arguments.length; i < l; i++) {
|
|
var extension = arguments[i];
|
|
// Only functions and objects can be mixined.
|
|
if ((Object(extension) !== extension) &&
|
!_.isFunction(extension) &&
|
(extension === null || extension === undefined)) {
|
|
continue;
|
}
|
|
_.each(extension, function(copy, key) {
|
|
if (this.mixin.deep && (Object(copy) === copy)) {
|
|
if (!target[key]) {
|
|
target[key] = _.isArray(copy) ? [] : {};
|
}
|
|
this.mixin(target[key], copy);
|
return;
|
}
|
|
if (target[key] !== copy) {
|
|
if (!this.mixin.supplement || !target.hasOwnProperty(key)) {
|
|
target[key] = copy;
|
}
|
|
}
|
|
}, this);
|
}
|
|
return target;
|
},
|
|
// Copy all properties to the first argument from the following
|
// arguments only in case if they don't exists in the first argument.
|
// All the function propererties in the first argument will get
|
// additional property base pointing to the extenders same named
|
// property function's call method.
|
supplement: function() {
|
|
this.mixin.supplement = true;
|
var ret = this.mixin.apply(this, arguments);
|
this.mixin.supplement = false;
|
return ret;
|
},
|
|
// Same as `mixin()` but deep version.
|
deepMixin: function() {
|
|
this.mixin.deep = true;
|
var ret = this.mixin.apply(this, arguments);
|
this.mixin.deep = false;
|
return ret;
|
},
|
|
// Same as `supplement()` but deep version.
|
deepSupplement: function() {
|
|
this.mixin.deep = this.mixin.supplement = true;
|
var ret = this.mixin.apply(this, arguments);
|
this.mixin.deep = this.mixin.supplement = false;
|
return ret;
|
},
|
|
normalizeEvent: function(evt) {
|
|
var touchEvt = evt.originalEvent && evt.originalEvent.changedTouches && evt.originalEvent.changedTouches[0];
|
if (touchEvt) {
|
for (var property in evt) {
|
// copy all the properties from the input event that are not
|
// defined on the touch event (functions included).
|
if (touchEvt[property] === undefined) {
|
touchEvt[property] = evt[property];
|
}
|
}
|
return touchEvt;
|
}
|
|
return evt;
|
},
|
|
nextFrame:(function() {
|
|
var raf;
|
|
if (typeof window !== 'undefined') {
|
|
raf = window.requestAnimationFrame ||
|
window.webkitRequestAnimationFrame ||
|
window.mozRequestAnimationFrame ||
|
window.oRequestAnimationFrame ||
|
window.msRequestAnimationFrame;
|
}
|
|
if (!raf) {
|
|
var lastTime = 0;
|
|
raf = function(callback) {
|
|
var currTime = new Date().getTime();
|
var timeToCall = Math.max(0, 16 - (currTime - lastTime));
|
var id = setTimeout(function() { callback(currTime + timeToCall); }, timeToCall);
|
|
lastTime = currTime + timeToCall;
|
|
return id;
|
};
|
}
|
|
return function(callback, context) {
|
return context
|
? raf(_.bind(callback, context))
|
: raf(callback);
|
};
|
|
})(),
|
|
cancelFrame: (function() {
|
|
var caf;
|
var client = typeof window != 'undefined';
|
|
if (client) {
|
|
caf = window.cancelAnimationFrame ||
|
window.webkitCancelAnimationFrame ||
|
window.webkitCancelRequestAnimationFrame ||
|
window.msCancelAnimationFrame ||
|
window.msCancelRequestAnimationFrame ||
|
window.oCancelAnimationFrame ||
|
window.oCancelRequestAnimationFrame ||
|
window.mozCancelAnimationFrame ||
|
window.mozCancelRequestAnimationFrame;
|
}
|
|
caf = caf || clearTimeout;
|
|
return client ? _.bind(caf, window) : caf;
|
|
})(),
|
|
shapePerimeterConnectionPoint: function(linkView, view, magnet, reference) {
|
|
var bbox;
|
var spot;
|
|
if (!magnet) {
|
|
// There is no magnet, try to make the best guess what is the
|
// wrapping SVG element. This is because we want this "smart"
|
// connection points to work out of the box without the
|
// programmer to put magnet marks to any of the subelements.
|
// For example, we want the functoin to work on basic.Path elements
|
// without any special treatment of such elements.
|
// The code below guesses the wrapping element based on
|
// one simple assumption. The wrapping elemnet is the
|
// first child of the scalable group if such a group exists
|
// or the first child of the rotatable group if not.
|
// This makese sense because usually the wrapping element
|
// is below any other sub element in the shapes.
|
var scalable = view.$('.scalable')[0];
|
var rotatable = view.$('.rotatable')[0];
|
|
if (scalable && scalable.firstChild) {
|
|
magnet = scalable.firstChild;
|
|
} else if (rotatable && rotatable.firstChild) {
|
|
magnet = rotatable.firstChild;
|
}
|
}
|
|
if (magnet) {
|
|
spot = V(magnet).findIntersection(reference, linkView.paper.viewport);
|
if (!spot) {
|
bbox = g.rect(V(magnet).bbox(false, linkView.paper.viewport));
|
}
|
|
} else {
|
|
bbox = view.model.getBBox();
|
spot = bbox.intersectionWithLineFromCenterToPoint(reference);
|
}
|
return spot || bbox.center();
|
},
|
|
breakText: function(text, size, styles, opt) {
|
|
opt = opt || {};
|
|
var width = size.width;
|
var height = size.height;
|
|
var svgDocument = opt.svgDocument || V('svg').node;
|
var textElement = V('<text><tspan></tspan></text>').attr(styles || {}).node;
|
var textSpan = textElement.firstChild;
|
var textNode = document.createTextNode('');
|
|
// Prevent flickering
|
textElement.style.opacity = 0;
|
// Prevent FF from throwing an uncaught exception when `getBBox()`
|
// called on element that is not in the render tree (is not measurable).
|
// <tspan>.getComputedTextLength() returns always 0 in this case.
|
// Note that the `textElement` resp. `textSpan` can become hidden
|
// when it's appended to the DOM and a `display: none` CSS stylesheet
|
// rule gets applied.
|
textElement.style.display = 'block';
|
textSpan.style.display = 'block';
|
|
textSpan.appendChild(textNode);
|
svgDocument.appendChild(textElement);
|
|
if (!opt.svgDocument) {
|
|
document.body.appendChild(svgDocument);
|
}
|
|
var words = text.split(' ');
|
var full = [];
|
var lines = [];
|
var p;
|
|
for (var i = 0, l = 0, len = words.length; i < len; i++) {
|
|
var word = words[i];
|
|
textNode.data = lines[l] ? lines[l] + ' ' + word : word;
|
|
if (textSpan.getComputedTextLength() <= width) {
|
|
// the current line fits
|
lines[l] = textNode.data;
|
|
if (p) {
|
// We were partitioning. Put rest of the word onto next line
|
full[l++] = true;
|
|
// cancel partitioning
|
p = 0;
|
}
|
|
} else {
|
|
if (!lines[l] || p) {
|
|
var partition = !!p;
|
|
p = word.length - 1;
|
|
if (partition || !p) {
|
|
// word has only one character.
|
if (!p) {
|
|
if (!lines[l]) {
|
|
// we won't fit this text within our rect
|
lines = [];
|
|
break;
|
}
|
|
// partitioning didn't help on the non-empty line
|
// try again, but this time start with a new line
|
|
// cancel partitions created
|
words.splice(i, 2, word + words[i + 1]);
|
|
// adjust word length
|
len--;
|
|
full[l++] = true;
|
i--;
|
|
continue;
|
}
|
|
// move last letter to the beginning of the next word
|
words[i] = word.substring(0, p);
|
words[i + 1] = word.substring(p) + words[i + 1];
|
|
} else {
|
|
// We initiate partitioning
|
// split the long word into two words
|
words.splice(i, 1, word.substring(0, p), word.substring(p));
|
|
// adjust words length
|
len++;
|
|
if (l && !full[l - 1]) {
|
// if the previous line is not full, try to fit max part of
|
// the current word there
|
l--;
|
}
|
}
|
|
i--;
|
|
continue;
|
}
|
|
l++;
|
i--;
|
}
|
|
// if size.height is defined we have to check whether the height of the entire
|
// text exceeds the rect height
|
if (typeof height !== 'undefined') {
|
|
// get line height as text height / 0.8 (as text height is approx. 0.8em
|
// and line height is 1em. See vectorizer.text())
|
var lh = lh || textElement.getBBox().height * 1.25;
|
|
if (lh * lines.length > height) {
|
|
// remove overflowing lines
|
lines.splice(Math.floor(height / lh));
|
|
break;
|
}
|
}
|
}
|
|
if (opt.svgDocument) {
|
|
// svg document was provided, remove the text element only
|
svgDocument.removeChild(textElement);
|
|
} else {
|
|
// clean svg document
|
document.body.removeChild(svgDocument);
|
}
|
|
return lines.join('\n');
|
},
|
|
imageToDataUri: function(url, callback) {
|
|
if (!url || url.substr(0, 'data:'.length) === 'data:') {
|
// No need to convert to data uri if it is already in data uri.
|
|
// This not only convenient but desired. For example,
|
// IE throws a security error if data:image/svg+xml is used to render
|
// an image to the canvas and an attempt is made to read out data uri.
|
// Now if our image is already in data uri, there is no need to render it to the canvas
|
// and so we can bypass this error.
|
|
// Keep the async nature of the function.
|
return setTimeout(function() { callback(null, url); }, 0);
|
}
|
|
var canvas = document.createElement('canvas');
|
var img = document.createElement('img');
|
|
img.onload = function() {
|
|
var ctx = canvas.getContext('2d');
|
|
canvas.width = img.width;
|
canvas.height = img.height;
|
|
ctx.drawImage(img, 0, 0);
|
|
try {
|
|
// Guess the type of the image from the url suffix.
|
var suffix = (url.split('.').pop()) || 'png';
|
// A little correction for JPEGs. There is no image/jpg mime type but image/jpeg.
|
var type = 'image/' + (suffix === 'jpg') ? 'jpeg' : suffix;
|
var dataUri = canvas.toDataURL(type);
|
|
} catch (e) {
|
|
if (/\.svg$/.test(url)) {
|
// IE throws a security error if we try to render an SVG into the canvas.
|
// Luckily for us, we don't need canvas at all to convert
|
// SVG to data uri. We can just use AJAX to load the SVG string
|
// and construct the data uri ourselves.
|
var xhr = window.XMLHttpRequest ? new XMLHttpRequest : new ActiveXObject('Microsoft.XMLHTTP');
|
xhr.open('GET', url, false);
|
xhr.send(null);
|
var svg = xhr.responseText;
|
|
return callback(null, 'data:image/svg+xml,' + encodeURIComponent(svg));
|
}
|
|
console.error(img.src, 'fails to convert', e);
|
}
|
|
callback(null, dataUri);
|
};
|
|
img.ononerror = function() {
|
|
callback(new Error('Failed to load image.'));
|
};
|
|
img.src = url;
|
},
|
|
getElementBBox: function(el) {
|
|
var $el = $(el);
|
var offset = $el.offset();
|
var bbox;
|
|
if (el.ownerSVGElement) {
|
|
// Use Vectorizer to get the dimensions of the element if it is an SVG element.
|
bbox = V(el).bbox();
|
|
// getBoundingClientRect() used in jQuery.fn.offset() takes into account `stroke-width`
|
// in Firefox only. So clientRect width/height and getBBox width/height in FF don't match.
|
// To unify this across all browsers we add the `stroke-width` (left & top) back to
|
// the calculated offset.
|
var crect = el.getBoundingClientRect();
|
var strokeWidthX = (crect.width - bbox.width) / 2;
|
var strokeWidthY = (crect.height - bbox.height) / 2;
|
|
// The `bbox()` returns coordinates relative to the SVG viewport, therefore, use the
|
// ones returned from the `offset()` method that are relative to the document.
|
bbox.x = offset.left + strokeWidthX;
|
bbox.y = offset.top + strokeWidthY;
|
|
} else {
|
|
bbox = { x: offset.left, y: offset.top, width: $el.outerWidth(), height: $el.outerHeight() };
|
}
|
|
return bbox;
|
},
|
|
|
// Highly inspired by the jquery.sortElements plugin by Padolsey.
|
// See http://james.padolsey.com/javascript/sorting-elements-with-jquery/.
|
sortElements: function(elements, comparator) {
|
|
var $elements = $(elements);
|
var placements = $elements.map(function() {
|
|
var sortElement = this;
|
var parentNode = sortElement.parentNode;
|
// Since the element itself will change position, we have
|
// to have some way of storing it's original position in
|
// the DOM. The easiest way is to have a 'flag' node:
|
var nextSibling = parentNode.insertBefore(document.createTextNode(''), sortElement.nextSibling);
|
|
return function() {
|
|
if (parentNode === this) {
|
throw new Error('You can\'t sort elements if any one is a descendant of another.');
|
}
|
|
// Insert before flag:
|
parentNode.insertBefore(this, nextSibling);
|
// Remove flag:
|
parentNode.removeChild(nextSibling);
|
};
|
});
|
|
return Array.prototype.sort.call($elements, comparator).each(function(i) {
|
placements[i].call(this);
|
});
|
},
|
|
// Sets attributes on the given element and its descendants based on the selector.
|
// `attrs` object: { [SELECTOR1]: { attrs1 }, [SELECTOR2]: { attrs2}, ... } e.g. { 'input': { color : 'red' }}
|
setAttributesBySelector: function(element, attrs) {
|
|
var $element = $(element);
|
|
_.each(attrs, function(attrs, selector) {
|
var $elements = $element.find(selector).addBack().filter(selector);
|
// Make a special case for setting classes.
|
// We do not want to overwrite any existing class.
|
if (_.has(attrs, 'class')) {
|
$elements.addClass(attrs['class']);
|
attrs = _.omit(attrs, 'class');
|
}
|
$elements.attr(attrs);
|
});
|
},
|
|
// Return a new object with all for sides (top, bottom, left and right) in it.
|
// Value of each side is taken from the given argument (either number or object).
|
// Default value for a side is 0.
|
// Examples:
|
// joint.util.normalizeSides(5) --> { top: 5, left: 5, right: 5, bottom: 5 }
|
// joint.util.normalizeSides({ left: 5 }) --> { top: 0, left: 5, right: 0, bottom: 0 }
|
normalizeSides: function(box) {
|
|
if (Object(box) !== box) {
|
box = box || 0;
|
return { top: box, bottom: box, left: box, right: box };
|
}
|
|
return {
|
top: box.top || 0,
|
bottom: box.bottom || 0,
|
left: box.left || 0,
|
right: box.right || 0
|
};
|
},
|
|
timing: {
|
|
linear: function(t) {
|
return t;
|
},
|
|
quad: function(t) {
|
return t * t;
|
},
|
|
cubic: function(t) {
|
return t * t * t;
|
},
|
|
inout: function(t) {
|
if (t <= 0) return 0;
|
if (t >= 1) return 1;
|
var t2 = t * t;
|
var t3 = t2 * t;
|
return 4 * (t < .5 ? t3 : 3 * (t - t2) + t3 - .75);
|
},
|
|
exponential: function(t) {
|
return Math.pow(2, 10 * (t - 1));
|
},
|
|
bounce: function(t) {
|
for (var a = 0, b = 1; 1; a += b, b /= 2) {
|
if (t >= (7 - 4 * a) / 11) {
|
var q = (11 - 6 * a - 11 * t) / 4;
|
return -q * q + b * b;
|
}
|
}
|
},
|
|
reverse: function(f) {
|
return function(t) {
|
return 1 - f(1 - t);
|
};
|
},
|
|
reflect: function(f) {
|
return function(t) {
|
return .5 * (t < .5 ? f(2 * t) : (2 - f(2 - 2 * t)));
|
};
|
},
|
|
clamp: function(f, n, x) {
|
n = n || 0;
|
x = x || 1;
|
return function(t) {
|
var r = f(t);
|
return r < n ? n : r > x ? x : r;
|
};
|
},
|
|
back: function(s) {
|
if (!s) s = 1.70158;
|
return function(t) {
|
return t * t * ((s + 1) * t - s);
|
};
|
},
|
|
elastic: function(x) {
|
if (!x) x = 1.5;
|
return function(t) {
|
return Math.pow(2, 10 * (t - 1)) * Math.cos(20 * Math.PI * x / 3 * t);
|
};
|
}
|
},
|
|
interpolate: {
|
|
number: function(a, b) {
|
var d = b - a;
|
return function(t) { return a + d * t; };
|
},
|
|
object: function(a, b) {
|
var s = _.keys(a);
|
return function(t) {
|
var i, p;
|
var r = {};
|
for (i = s.length - 1; i != -1; i--) {
|
p = s[i];
|
r[p] = a[p] + (b[p] - a[p]) * t;
|
}
|
return r;
|
};
|
},
|
|
hexColor: function(a, b) {
|
|
var ca = parseInt(a.slice(1), 16);
|
var cb = parseInt(b.slice(1), 16);
|
var ra = ca & 0x0000ff;
|
var rd = (cb & 0x0000ff) - ra;
|
var ga = ca & 0x00ff00;
|
var gd = (cb & 0x00ff00) - ga;
|
var ba = ca & 0xff0000;
|
var bd = (cb & 0xff0000) - ba;
|
|
return function(t) {
|
|
var r = (ra + rd * t) & 0x000000ff;
|
var g = (ga + gd * t) & 0x0000ff00;
|
var b = (ba + bd * t) & 0x00ff0000;
|
|
return '#' + (1 << 24 | r | g | b ).toString(16).slice(1);
|
};
|
},
|
|
unit: function(a, b) {
|
|
var r = /(-?[0-9]*.[0-9]*)(px|em|cm|mm|in|pt|pc|%)/;
|
var ma = r.exec(a);
|
var mb = r.exec(b);
|
var p = mb[1].indexOf('.');
|
var f = p > 0 ? mb[1].length - p - 1 : 0;
|
a = +ma[1];
|
var d = +mb[1] - a;
|
var u = ma[2];
|
|
return function(t) {
|
return (a + d * t).toFixed(f) + u;
|
};
|
}
|
},
|
|
// SVG filters.
|
filter: {
|
|
// `color` ... outline color
|
// `width`... outline width
|
// `opacity` ... outline opacity
|
// `margin` ... gap between outline and the element
|
outline: function(args) {
|
|
var tpl = '<filter><feFlood flood-color="${color}" flood-opacity="${opacity}" result="colored"/><feMorphology in="SourceAlpha" result="morphedOuter" operator="dilate" radius="${outerRadius}" /><feMorphology in="SourceAlpha" result="morphedInner" operator="dilate" radius="${innerRadius}" /><feComposite result="morphedOuterColored" in="colored" in2="morphedOuter" operator="in"/><feComposite operator="xor" in="morphedOuterColored" in2="morphedInner" result="outline"/><feMerge><feMergeNode in="outline"/><feMergeNode in="SourceGraphic"/></feMerge></filter>';
|
|
var margin = _.isFinite(args.margin) ? args.margin : 2;
|
var width = _.isFinite(args.width) ? args.width : 1;
|
|
return joint.util.template(tpl)({
|
color: args.color || 'blue',
|
opacity: _.isFinite(args.opacity) ? args.opacity : 1,
|
outerRadius: margin + width,
|
innerRadius: margin
|
});
|
},
|
|
// `color` ... color
|
// `width`... width
|
// `blur` ... blur
|
// `opacity` ... opacity
|
highlight: function(args) {
|
|
var tpl = '<filter><feFlood flood-color="${color}" flood-opacity="${opacity}" result="colored"/><feMorphology result="morphed" in="SourceGraphic" operator="dilate" radius="${width}"/><feComposite result="composed" in="colored" in2="morphed" operator="in"/><feGaussianBlur result="blured" in="composed" stdDeviation="${blur}"/><feBlend in="SourceGraphic" in2="blured" mode="normal"/></filter>';
|
|
return joint.util.template(tpl)({
|
color: args.color || 'red',
|
width: _.isFinite(args.width) ? args.width : 1,
|
blur: _.isFinite(args.blur) ? args.blur : 0,
|
opacity: _.isFinite(args.opacity) ? args.opacity : 1
|
});
|
},
|
|
// `x` ... horizontal blur
|
// `y` ... vertical blur (optional)
|
blur: function(args) {
|
|
var x = _.isFinite(args.x) ? args.x : 2;
|
|
return joint.util.template('<filter><feGaussianBlur stdDeviation="${stdDeviation}"/></filter>')({
|
stdDeviation: _.isFinite(args.y) ? [x, args.y] : x
|
});
|
},
|
|
// `dx` ... horizontal shift
|
// `dy` ... vertical shift
|
// `blur` ... blur
|
// `color` ... color
|
// `opacity` ... opacity
|
dropShadow: function(args) {
|
|
var tpl = 'SVGFEDropShadowElement' in window
|
? '<filter><feDropShadow stdDeviation="${blur}" dx="${dx}" dy="${dy}" flood-color="${color}" flood-opacity="${opacity}"/></filter>'
|
: '<filter><feGaussianBlur in="SourceAlpha" stdDeviation="${blur}"/><feOffset dx="${dx}" dy="${dy}" result="offsetblur"/><feFlood flood-color="${color}"/><feComposite in2="offsetblur" operator="in"/><feComponentTransfer><feFuncA type="linear" slope="${opacity}"/></feComponentTransfer><feMerge><feMergeNode/><feMergeNode in="SourceGraphic"/></feMerge></filter>';
|
|
return joint.util.template(tpl)({
|
dx: args.dx || 0,
|
dy: args.dy || 0,
|
opacity: _.isFinite(args.opacity) ? args.opacity : 1,
|
color: args.color || 'black',
|
blur: _.isFinite(args.blur) ? args.blur : 4
|
});
|
},
|
|
// `amount` ... the proportion of the conversion. A value of 1 is completely grayscale. A value of 0 leaves the input unchanged.
|
grayscale: function(args) {
|
|
var amount = _.isFinite(args.amount) ? args.amount : 1;
|
|
return joint.util.template('<filter><feColorMatrix type="matrix" values="${a} ${b} ${c} 0 0 ${d} ${e} ${f} 0 0 ${g} ${b} ${h} 0 0 0 0 0 1 0"/></filter>')({
|
a: 0.2126 + 0.7874 * (1 - amount),
|
b: 0.7152 - 0.7152 * (1 - amount),
|
c: 0.0722 - 0.0722 * (1 - amount),
|
d: 0.2126 - 0.2126 * (1 - amount),
|
e: 0.7152 + 0.2848 * (1 - amount),
|
f: 0.0722 - 0.0722 * (1 - amount),
|
g: 0.2126 - 0.2126 * (1 - amount),
|
h: 0.0722 + 0.9278 * (1 - amount)
|
});
|
},
|
|
// `amount` ... the proportion of the conversion. A value of 1 is completely sepia. A value of 0 leaves the input unchanged.
|
sepia: function(args) {
|
|
var amount = _.isFinite(args.amount) ? args.amount : 1;
|
|
return joint.util.template('<filter><feColorMatrix type="matrix" values="${a} ${b} ${c} 0 0 ${d} ${e} ${f} 0 0 ${g} ${h} ${i} 0 0 0 0 0 1 0"/></filter>')({
|
a: 0.393 + 0.607 * (1 - amount),
|
b: 0.769 - 0.769 * (1 - amount),
|
c: 0.189 - 0.189 * (1 - amount),
|
d: 0.349 - 0.349 * (1 - amount),
|
e: 0.686 + 0.314 * (1 - amount),
|
f: 0.168 - 0.168 * (1 - amount),
|
g: 0.272 - 0.272 * (1 - amount),
|
h: 0.534 - 0.534 * (1 - amount),
|
i: 0.131 + 0.869 * (1 - amount)
|
});
|
},
|
|
// `amount` ... the proportion of the conversion. A value of 0 is completely un-saturated. A value of 1 leaves the input unchanged.
|
saturate: function(args) {
|
|
var amount = _.isFinite(args.amount) ? args.amount : 1;
|
|
return joint.util.template('<filter><feColorMatrix type="saturate" values="${amount}"/></filter>')({
|
amount: 1 - amount
|
});
|
},
|
|
// `angle` ... the number of degrees around the color circle the input samples will be adjusted.
|
hueRotate: function(args) {
|
|
return joint.util.template('<filter><feColorMatrix type="hueRotate" values="${angle}"/></filter>')({
|
angle: args.angle || 0
|
});
|
},
|
|
// `amount` ... the proportion of the conversion. A value of 1 is completely inverted. A value of 0 leaves the input unchanged.
|
invert: function(args) {
|
|
var amount = _.isFinite(args.amount) ? args.amount : 1;
|
|
return joint.util.template('<filter><feComponentTransfer><feFuncR type="table" tableValues="${amount} ${amount2}"/><feFuncG type="table" tableValues="${amount} ${amount2}"/><feFuncB type="table" tableValues="${amount} ${amount2}"/></feComponentTransfer></filter>')({
|
amount: amount,
|
amount2: 1 - amount
|
});
|
},
|
|
// `amount` ... proportion of the conversion. A value of 0 will create an image that is completely black. A value of 1 leaves the input unchanged.
|
brightness: function(args) {
|
|
return joint.util.template('<filter><feComponentTransfer><feFuncR type="linear" slope="${amount}"/><feFuncG type="linear" slope="${amount}"/><feFuncB type="linear" slope="${amount}"/></feComponentTransfer></filter>')({
|
amount: _.isFinite(args.amount) ? args.amount : 1
|
});
|
},
|
|
// `amount` ... proportion of the conversion. A value of 0 will create an image that is completely black. A value of 1 leaves the input unchanged.
|
contrast: function(args) {
|
|
var amount = _.isFinite(args.amount) ? args.amount : 1;
|
|
return joint.util.template('<filter><feComponentTransfer><feFuncR type="linear" slope="${amount}" intercept="${amount2}"/><feFuncG type="linear" slope="${amount}" intercept="${amount2}"/><feFuncB type="linear" slope="${amount}" intercept="${amount2}"/></feComponentTransfer></filter>')({
|
amount: amount,
|
amount2: .5 - amount / 2
|
});
|
}
|
},
|
|
format: {
|
|
// Formatting numbers via the Python Format Specification Mini-language.
|
// See http://docs.python.org/release/3.1.3/library/string.html#format-specification-mini-language.
|
// Heavilly inspired by the D3.js library implementation.
|
number: function(specifier, value, locale) {
|
|
locale = locale || {
|
|
currency: ['$', ''],
|
decimal: '.',
|
thousands: ',',
|
grouping: [3]
|
};
|
|
// See Python format specification mini-language: http://docs.python.org/release/3.1.3/library/string.html#format-specification-mini-language.
|
// [[fill]align][sign][symbol][0][width][,][.precision][type]
|
var re = /(?:([^{])?([<>=^]))?([+\- ])?([$#])?(0)?(\d+)?(,)?(\.-?\d+)?([a-z%])?/i;
|
|
var match = re.exec(specifier);
|
var fill = match[1] || ' ';
|
var align = match[2] || '>';
|
var sign = match[3] || '';
|
var symbol = match[4] || '';
|
var zfill = match[5];
|
var width = +match[6];
|
var comma = match[7];
|
var precision = match[8];
|
var type = match[9];
|
var scale = 1;
|
var prefix = '';
|
var suffix = '';
|
var integer = false;
|
|
if (precision) precision = +precision.substring(1);
|
|
if (zfill || fill === '0' && align === '=') {
|
zfill = fill = '0';
|
align = '=';
|
if (comma) width -= Math.floor((width - 1) / 4);
|
}
|
|
switch (type) {
|
case 'n': comma = true; type = 'g'; break;
|
case '%': scale = 100; suffix = '%'; type = 'f'; break;
|
case 'p': scale = 100; suffix = '%'; type = 'r'; break;
|
case 'b':
|
case 'o':
|
case 'x':
|
case 'X': if (symbol === '#') prefix = '0' + type.toLowerCase();
|
case 'c':
|
case 'd': integer = true; precision = 0; break;
|
case 's': scale = -1; type = 'r'; break;
|
}
|
|
if (symbol === '$') {
|
prefix = locale.currency[0];
|
suffix = locale.currency[1];
|
}
|
|
// If no precision is specified for `'r'`, fallback to general notation.
|
if (type == 'r' && !precision) type = 'g';
|
|
// Ensure that the requested precision is in the supported range.
|
if (precision != null) {
|
if (type == 'g') precision = Math.max(1, Math.min(21, precision));
|
else if (type == 'e' || type == 'f') precision = Math.max(0, Math.min(20, precision));
|
}
|
|
var zcomma = zfill && comma;
|
|
// Return the empty string for floats formatted as ints.
|
if (integer && (value % 1)) return '';
|
|
// Convert negative to positive, and record the sign prefix.
|
var negative = value < 0 || value === 0 && 1 / value < 0 ? (value = -value, '-') : sign;
|
|
var fullSuffix = suffix;
|
|
// Apply the scale, computing it from the value's exponent for si format.
|
// Preserve the existing suffix, if any, such as the currency symbol.
|
if (scale < 0) {
|
var unit = this.prefix(value, precision);
|
value = unit.scale(value);
|
fullSuffix = unit.symbol + suffix;
|
} else {
|
value *= scale;
|
}
|
|
// Convert to the desired precision.
|
value = this.convert(type, value, precision);
|
|
// Break the value into the integer part (before) and decimal part (after).
|
var i = value.lastIndexOf('.');
|
var before = i < 0 ? value : value.substring(0, i);
|
var after = i < 0 ? '' : locale.decimal + value.substring(i + 1);
|
|
function formatGroup(value) {
|
|
var i = value.length;
|
var t = [];
|
var j = 0;
|
var g = locale.grouping[0];
|
while (i > 0 && g > 0) {
|
t.push(value.substring(i -= g, i + g));
|
g = locale.grouping[j = (j + 1) % locale.grouping.length];
|
}
|
return t.reverse().join(locale.thousands);
|
}
|
|
// If the fill character is not `'0'`, grouping is applied before padding.
|
if (!zfill && comma && locale.grouping) {
|
|
before = formatGroup(before);
|
}
|
|
var length = prefix.length + before.length + after.length + (zcomma ? 0 : negative.length);
|
var padding = length < width ? new Array(length = width - length + 1).join(fill) : '';
|
|
// If the fill character is `'0'`, grouping is applied after padding.
|
if (zcomma) before = formatGroup(padding + before);
|
|
// Apply prefix.
|
negative += prefix;
|
|
// Rejoin integer and decimal parts.
|
value = before + after;
|
|
return (align === '<' ? negative + value + padding
|
: align === '>' ? padding + negative + value
|
: align === '^' ? padding.substring(0, length >>= 1) + negative + value + padding.substring(length)
|
: negative + (zcomma ? value : padding + value)) + fullSuffix;
|
},
|
|
// Formatting string via the Python Format string.
|
// See https://docs.python.org/2/library/string.html#format-string-syntax)
|
string: function(formatString, value) {
|
|
var fieldDelimiterIndex;
|
var fieldDelimiter = '{';
|
var endPlaceholder = false;
|
var formattedStringArray = [];
|
|
while ((fieldDelimiterIndex = formatString.indexOf(fieldDelimiter)) !== -1) {
|
|
var pieceFormatedString, formatSpec, fieldName;
|
|
pieceFormatedString = formatString.slice(0, fieldDelimiterIndex);
|
|
if (endPlaceholder) {
|
formatSpec = pieceFormatedString.split(':');
|
fieldName = formatSpec.shift().split('.');
|
pieceFormatedString = value;
|
|
for (var i = 0; i < fieldName.length; i++)
|
pieceFormatedString = pieceFormatedString[fieldName[i]];
|
|
if (formatSpec.length)
|
pieceFormatedString = this.number(formatSpec, pieceFormatedString);
|
}
|
|
formattedStringArray.push(pieceFormatedString);
|
|
formatString = formatString.slice(fieldDelimiterIndex + 1);
|
fieldDelimiter = (endPlaceholder = !endPlaceholder) ? '}' : '{';
|
}
|
formattedStringArray.push(formatString);
|
|
return formattedStringArray.join('');
|
},
|
|
convert: function(type, value, precision) {
|
|
switch (type) {
|
case 'b': return value.toString(2);
|
case 'c': return String.fromCharCode(value);
|
case 'o': return value.toString(8);
|
case 'x': return value.toString(16);
|
case 'X': return value.toString(16).toUpperCase();
|
case 'g': return value.toPrecision(precision);
|
case 'e': return value.toExponential(precision);
|
case 'f': return value.toFixed(precision);
|
case 'r': return (value = this.round(value, this.precision(value, precision))).toFixed(Math.max(0, Math.min(20, this.precision(value * (1 + 1e-15), precision))));
|
default: return value + '';
|
}
|
},
|
|
round: function(value, precision) {
|
|
return precision
|
? Math.round(value * (precision = Math.pow(10, precision))) / precision
|
: Math.round(value);
|
},
|
|
precision: function(value, precision) {
|
|
return precision - (value ? Math.ceil(Math.log(value) / Math.LN10) : 1);
|
},
|
|
prefix: function(value, precision) {
|
|
var prefixes = _.map(['y', 'z', 'a', 'f', 'p', 'n', 'µ', 'm', '', 'k', 'M', 'G', 'T', 'P', 'E', 'Z', 'Y'], function(d, i) {
|
var k = Math.pow(10, Math.abs(8 - i) * 3);
|
return {
|
scale: i > 8 ? function(d) { return d / k; } : function(d) { return d * k; },
|
symbol: d
|
};
|
});
|
|
var i = 0;
|
if (value) {
|
if (value < 0) value *= -1;
|
if (precision) value = this.round(value, this.precision(value, precision));
|
i = 1 + Math.floor(1e-12 + Math.log(value) / Math.LN10);
|
i = Math.max(-24, Math.min(24, Math.floor((i <= 0 ? i + 1 : i - 1) / 3) * 3));
|
}
|
return prefixes[8 + i / 3];
|
}
|
},
|
|
/*
|
Pre-compile the HTML to be used as a template.
|
*/
|
template: function(html) {
|
|
/*
|
Must support the variation in templating syntax found here:
|
https://lodash.com/docs#template
|
*/
|
var regex = /<%= ([^ ]+) %>|\$\{ ?([^\{\} ]+) ?\}|\{\{([^\{\} ]+)\}\}/g;
|
|
return function(data) {
|
|
return html.replace(regex, function(match) {
|
|
var args = Array.prototype.slice.call(arguments);
|
var attr = _.find(args.slice(1, 4), function(_attr) {
|
return !!_attr;
|
});
|
|
var attrArray = attr.split('.');
|
var value = data[attrArray.shift()];
|
|
while (!_.isUndefined(value) && attrArray.length) {
|
value = value[attrArray.shift()];
|
}
|
|
return !_.isUndefined(value) ? value : '';
|
});
|
};
|
},
|
|
/**
|
* @param {Element=} el Element, which content is intent to display in full-screen mode, 'document.body' is default.
|
*/
|
toggleFullScreen: function(el) {
|
|
el = el || document.body;
|
|
function prefixedResult(el, prop) {
|
|
var prefixes = ['webkit', 'moz', 'ms', 'o', ''];
|
for (var i = 0; i < prefixes.length; i++) {
|
var prefix = prefixes[i];
|
var propName = prefix ? (prefix + prop) : (prop.substr(0, 1).toLowerCase() + prop.substr(1));
|
if (!_.isUndefined(el[propName])) {
|
return _.isFunction(el[propName]) ? el[propName]() : el[propName];
|
}
|
}
|
}
|
|
if (prefixedResult(document, 'FullScreen') || prefixedResult(document, 'IsFullScreen')) {
|
prefixedResult(document, 'CancelFullScreen');
|
} else {
|
prefixedResult(el, 'RequestFullScreen');
|
}
|
},
|
|
wrapWith: function(object, methods, wrapper) {
|
|
if (_.isString(wrapper)) {
|
|
if (!joint.util.wrappers[wrapper]) {
|
throw new Error('Unknown wrapper: "' + wrapper + '"');
|
}
|
|
wrapper = joint.util.wrappers[wrapper];
|
}
|
|
if (!_.isFunction(wrapper)) {
|
throw new Error('Wrapper must be a function.');
|
}
|
|
_.each(methods, function(method) {
|
object[method] = wrapper(object[method]);
|
});
|
},
|
|
wrappers: {
|
|
/*
|
Prepares a function with the following usage:
|
|
fn([cell, cell, cell], opt);
|
fn([cell, cell, cell]);
|
fn(cell, cell, cell, opt);
|
fn(cell, cell, cell);
|
*/
|
cells: function(fn) {
|
|
return function() {
|
|
var args = Array.prototype.slice.call(arguments);
|
var cells = args.length > 0 && _.first(args) || [];
|
var opt = args.length > 1 && _.last(args) || {};
|
|
if (!_.isArray(cells)) {
|
|
if (opt instanceof joint.dia.Cell) {
|
cells = args;
|
opt = {};
|
} else {
|
cells = _.initial(args);
|
}
|
}
|
|
return fn.call(this, cells, opt);
|
};
|
}
|
}
|
}
|
};
|
|
// JointJS library.
|
// (c) 2011-2015 client IO
|
|
joint.mvc.View = Backbone.View.extend({
|
|
options: {
|
theme: 'default'
|
},
|
|
theme: null,
|
themeClassNamePrefix: 'joint-theme-',
|
requireSetThemeOverride: false,
|
|
constructor: function(options) {
|
|
Backbone.View.call(this, options);
|
},
|
|
initialize: function(options) {
|
|
this.requireSetThemeOverride = options && !!options.theme;
|
|
this.options = _.extend({}, joint.mvc.View.prototype.options || {}, this.options || {}, options || {});
|
|
_.bindAll(this, 'setTheme', 'onSetTheme', 'remove', 'onRemove');
|
|
joint.mvc.views[this.cid] = this;
|
|
this.setTheme(this.options.theme);
|
this._ensureElClassName();
|
this.init();
|
},
|
|
_ensureElClassName: function() {
|
|
var className = _.result(this, 'className');
|
|
this.$el.addClass(className);
|
},
|
|
init: function() {
|
// Intentionally empty.
|
// This method is meant to be overriden.
|
},
|
|
setTheme: function(theme, opt) {
|
|
opt = opt || {};
|
|
// Theme is already set, override is required, and override has not been set.
|
// Don't set the theme.
|
if (this.theme && this.requireSetThemeOverride && !opt.override) return;
|
|
this.onSetTheme(this.theme/* oldTheme */, theme/* newTheme */);
|
|
if (this.theme) {
|
|
this.$el.removeClass(this.themeClassNamePrefix + this.theme);
|
}
|
|
this.$el.addClass(this.themeClassNamePrefix + theme);
|
|
this.theme = theme;
|
|
return this;
|
},
|
|
onSetTheme: function(oldTheme, newTheme) {
|
// Intentionally empty.
|
// This method is meant to be overriden.
|
},
|
|
remove: function() {
|
|
this.onRemove();
|
|
joint.mvc.views[this.cid] = null;
|
|
Backbone.View.prototype.remove.apply(this, arguments);
|
|
return this;
|
},
|
|
onRemove: function() {
|
// Intentionally empty.
|
// This method is meant to be overriden.
|
}
|
});
|
|
// JointJS, the JavaScript diagramming library.
|
// (c) 2011-2015 client IO
|
|
joint.dia.GraphCells = Backbone.Collection.extend({
|
|
cellNamespace: joint.shapes,
|
|
initialize: function(models, opt) {
|
|
// Set the optional namespace where all model classes are defined.
|
if (opt.cellNamespace) {
|
this.cellNamespace = opt.cellNamespace;
|
}
|
|
this.graph = opt.graph;
|
},
|
|
model: function(attrs, options) {
|
|
var collection = options.collection;
|
var namespace = collection.cellNamespace;
|
|
// Find the model class in the namespace or use the default one.
|
var ModelClass = (attrs.type === 'link')
|
? joint.dia.Link
|
: joint.util.getByPath(namespace, attrs.type, '.') || joint.dia.Element;
|
|
var cell = new ModelClass(attrs, options);
|
// Add a reference to the graph. It is necessary to do this here because this is the earliest place
|
// where a new model is created from a plain JS object. For other objects, see `joint.dia.Graph>>_prepareCell()`.
|
cell.graph = collection.graph;
|
|
return cell;
|
},
|
|
// `comparator` makes it easy to sort cells based on their `z` index.
|
comparator: function(model) {
|
|
return model.get('z') || 0;
|
}
|
});
|
|
|
joint.dia.Graph = Backbone.Model.extend({
|
|
_batches: {},
|
|
initialize: function(attrs, opt) {
|
|
opt = opt || {};
|
|
// Passing `cellModel` function in the options object to graph allows for
|
// setting models based on attribute objects. This is especially handy
|
// when processing JSON graphs that are in a different than JointJS format.
|
var cells = new joint.dia.GraphCells([], {
|
model: opt.cellModel,
|
cellNamespace: opt.cellNamespace,
|
graph: this
|
});
|
Backbone.Model.prototype.set.call(this, 'cells', cells);
|
|
// Make all the events fired in the `cells` collection available.
|
// to the outside world.
|
cells.on('all', this.trigger, this);
|
|
// Backbone automatically doesn't trigger re-sort if models attributes are changed later when
|
// they're already in the collection. Therefore, we're triggering sort manually here.
|
this.on('change:z', this._sortOnChangeZ, this);
|
this.on('batch:stop', this._onBatchStop, this);
|
|
// `joint.dia.Graph` keeps an internal data structure (an adjacency list)
|
// for fast graph queries. All changes that affect the structure of the graph
|
// must be reflected in the `al` object. This object provides fast answers to
|
// questions such as "what are the neighbours of this node" or "what
|
// are the sibling links of this link".
|
|
// Outgoing edges per node. Note that we use a hash-table for the list
|
// of outgoing edges for a faster lookup.
|
// [node ID] -> Object [edge] -> true
|
this._out = {};
|
// Ingoing edges per node.
|
// [node ID] -> Object [edge] -> true
|
this._in = {};
|
// `_nodes` is useful for quick lookup of all the elements in the graph, without
|
// having to go through the whole cells array.
|
// [node ID] -> true
|
this._nodes = {};
|
// `_edges` is useful for quick lookup of all the links in the graph, without
|
// having to go through the whole cells array.
|
// [edge ID] -> true
|
this._edges = {};
|
|
cells.on('add', this._restructureOnAdd, this);
|
cells.on('remove', this._restructureOnRemove, this);
|
cells.on('reset', this._restructureOnReset, this);
|
cells.on('change:source', this._restructureOnChangeSource, this);
|
cells.on('change:target', this._restructureOnChangeTarget, this);
|
cells.on('remove', this._removeCell, this);
|
},
|
|
_sortOnChangeZ: function() {
|
|
if (!this.hasActiveBatch('to-front') && !this.hasActiveBatch('to-back')) {
|
this.get('cells').sort();
|
}
|
},
|
|
_onBatchStop: function(data) {
|
|
var batchName = data && data.batchName;
|
if ((batchName === 'to-front' || batchName === 'to-back') && !this.hasActiveBatch(batchName)) {
|
this.get('cells').sort();
|
}
|
},
|
|
_restructureOnAdd: function(cell) {
|
|
if (cell.isLink()) {
|
this._edges[cell.id] = true;
|
var source = cell.get('source');
|
var target = cell.get('target');
|
if (source.id) {
|
(this._out[source.id] || (this._out[source.id] = {}))[cell.id] = true;
|
}
|
if (target.id) {
|
(this._in[target.id] || (this._in[target.id] = {}))[cell.id] = true;
|
}
|
} else {
|
this._nodes[cell.id] = true;
|
}
|
},
|
|
_restructureOnRemove: function(cell) {
|
|
if (cell.isLink()) {
|
delete this._edges[cell.id];
|
var source = cell.get('source');
|
var target = cell.get('target');
|
if (source.id && this._out[source.id] && this._out[source.id][cell.id]) {
|
delete this._out[source.id][cell.id];
|
}
|
if (target.id && this._in[target.id] && this._in[target.id][cell.id]) {
|
delete this._in[target.id][cell.id];
|
}
|
} else {
|
delete this._nodes[cell.id];
|
}
|
},
|
|
_restructureOnReset: function(cells) {
|
|
// Normalize into an array of cells. The original `cells` is GraphCells Backbone collection.
|
cells = cells.models;
|
|
this._out = {};
|
this._in = {};
|
this._nodes = {};
|
this._edges = {};
|
|
_.each(cells, this._restructureOnAdd, this);
|
},
|
|
_restructureOnChangeSource: function(link) {
|
|
var prevSource = link.previous('source');
|
if (prevSource.id && this._out[prevSource.id]) {
|
delete this._out[prevSource.id][link.id];
|
}
|
var source = link.get('source');
|
if (source.id) {
|
(this._out[source.id] || (this._out[source.id] = {}))[link.id] = true;
|
}
|
},
|
|
_restructureOnChangeTarget: function(link) {
|
|
var prevTarget = link.previous('target');
|
if (prevTarget.id && this._in[prevTarget.id]) {
|
delete this._in[prevTarget.id][link.id];
|
}
|
var target = link.get('target');
|
if (target.id) {
|
(this._in[target.id] || (this._in[target.id] = {}))[link.id] = true;
|
}
|
},
|
|
// Return all outbound edges for the node. Return value is an object
|
// of the form: [edge] -> true
|
getOutboundEdges: function(node) {
|
|
return (this._out && this._out[node]) || {};
|
},
|
|
// Return all inbound edges for the node. Return value is an object
|
// of the form: [edge] -> true
|
getInboundEdges: function(node) {
|
|
return (this._in && this._in[node]) || {};
|
},
|
|
toJSON: function() {
|
|
// Backbone does not recursively call `toJSON()` on attributes that are themselves models/collections.
|
// It just clones the attributes. Therefore, we must call `toJSON()` on the cells collection explicitely.
|
var json = Backbone.Model.prototype.toJSON.apply(this, arguments);
|
json.cells = this.get('cells').toJSON();
|
return json;
|
},
|
|
fromJSON: function(json, opt) {
|
|
if (!json.cells) {
|
|
throw new Error('Graph JSON must contain cells array.');
|
}
|
|
return this.set(json, opt);
|
},
|
|
set: function(key, val, opt) {
|
|
var attrs;
|
|
// Handle both `key`, value and {key: value} style arguments.
|
if (typeof key === 'object') {
|
attrs = key;
|
opt = val;
|
} else {
|
(attrs = {})[key] = val;
|
}
|
|
// Make sure that `cells` attribute is handled separately via resetCells().
|
if (attrs.hasOwnProperty('cells')) {
|
this.resetCells(attrs.cells, opt);
|
attrs = _.omit(attrs, 'cells');
|
}
|
|
// The rest of the attributes are applied via original set method.
|
return Backbone.Model.prototype.set.call(this, attrs, opt);
|
},
|
|
clear: function(opt) {
|
|
opt = _.extend({}, opt, { clear: true });
|
|
var collection = this.get('cells');
|
|
if (collection.length === 0) return this;
|
|
this.startBatch('clear', opt);
|
|
// The elements come after the links.
|
var cells = collection.sortBy(function(cell) {
|
return cell.isLink() ? 1 : 2;
|
});
|
|
do {
|
|
// Remove all the cells one by one.
|
// Note that all the links are removed first, so it's
|
// safe to remove the elements without removing the connected
|
// links first.
|
cells.shift().remove(opt);
|
|
} while (cells.length > 0);
|
|
this.stopBatch('clear');
|
|
return this;
|
},
|
|
_prepareCell: function(cell) {
|
|
var attrs;
|
if (cell instanceof Backbone.Model) {
|
attrs = cell.attributes;
|
cell.graph = this;
|
} else {
|
// In case we're dealing with a plain JS object, we have to set the reference
|
// to the `graph` right after the actual model is created. This happens in the `model()` function
|
// of `joint.dia.GraphCells`.
|
attrs = cell;
|
}
|
|
if (!_.isString(attrs.type)) {
|
throw new TypeError('dia.Graph: cell type must be a string.');
|
}
|
|
return cell;
|
},
|
|
maxZIndex: function() {
|
|
var lastCell = this.get('cells').last();
|
return lastCell ? (lastCell.get('z') || 0) : 0;
|
},
|
|
addCell: function(cell, options) {
|
|
if (_.isArray(cell)) {
|
|
return this.addCells(cell, options);
|
}
|
|
if (cell instanceof Backbone.Model) {
|
|
if (!cell.has('z')) {
|
cell.set('z', this.maxZIndex() + 1);
|
}
|
|
} else if (_.isUndefined(cell.z)) {
|
|
cell.z = this.maxZIndex() + 1;
|
}
|
|
this.get('cells').add(this._prepareCell(cell), options || {});
|
|
return this;
|
},
|
|
addCells: function(cells, opt) {
|
|
if (cells.length) {
|
|
opt.position = cells.length;
|
|
this.startBatch('add');
|
_.each(cells, function(cell) {
|
opt.position--;
|
this.addCell(cell, opt);
|
}, this);
|
this.stopBatch('add');
|
}
|
|
return this;
|
},
|
|
// When adding a lot of cells, it is much more efficient to
|
// reset the entire cells collection in one go.
|
// Useful for bulk operations and optimizations.
|
resetCells: function(cells, opt) {
|
|
this.get('cells').reset(_.map(cells, this._prepareCell, this), opt);
|
|
return this;
|
},
|
|
removeCells: function(cells, opt) {
|
|
if (cells.length) {
|
|
this.startBatch('remove');
|
_.invoke(cells, 'remove');
|
this.stopBatch('remove');
|
}
|
|
return this;
|
},
|
|
_removeCell: function(cell, collection, options) {
|
|
options = options || {};
|
|
if (!options.clear) {
|
// Applications might provide a `disconnectLinks` option set to `true` in order to
|
// disconnect links when a cell is removed rather then removing them. The default
|
// is to remove all the associated links.
|
if (options.disconnectLinks) {
|
|
this.disconnectLinks(cell, options);
|
|
} else {
|
|
this.removeLinks(cell, options);
|
}
|
}
|
// Silently remove the cell from the cells collection. Silently, because
|
// `joint.dia.Cell.prototype.remove` already triggers the `remove` event which is
|
// then propagated to the graph model. If we didn't remove the cell silently, two `remove` events
|
// would be triggered on the graph model.
|
this.get('cells').remove(cell, { silent: true });
|
|
delete cell.graph;
|
},
|
|
// Get a cell by `id`.
|
getCell: function(id) {
|
|
return this.get('cells').get(id);
|
},
|
|
getCells: function() {
|
|
return this.get('cells').toArray();
|
},
|
|
getElements: function() {
|
|
return _.map(this._nodes, function(exists, node) { return this.getCell(node); }, this);
|
},
|
|
getLinks: function() {
|
|
return _.map(this._edges, function(exists, edge) { return this.getCell(edge); }, this);
|
},
|
|
getFirstCell: function() {
|
|
return this.get('cells').first();
|
},
|
|
getLastCell: function() {
|
|
return this.get('cells').last();
|
},
|
|
// Get all inbound and outbound links connected to the cell `model`.
|
getConnectedLinks: function(model, opt) {
|
|
opt = opt || {};
|
|
var inbound = opt.inbound;
|
var outbound = opt.outbound;
|
if (_.isUndefined(inbound) && _.isUndefined(outbound)) {
|
inbound = outbound = true;
|
}
|
|
// The final array of connected link models.
|
var links = [];
|
// Connected edges. This hash table ([edge] -> true) serves only
|
// for a quick lookup to check if we already added a link.
|
var edges = {};
|
|
if (outbound) {
|
_.each(this.getOutboundEdges(model.id), function(exists, edge) {
|
if (!edges[edge]) {
|
links.push(this.getCell(edge));
|
edges[edge] = true;
|
}
|
}, this);
|
}
|
if (inbound) {
|
_.each(this.getInboundEdges(model.id), function(exists, edge) {
|
// Skip links that were already added. Those must be self-loop links
|
// because they are both inbound and outbond edges of the same element.
|
if (!edges[edge]) {
|
links.push(this.getCell(edge));
|
edges[edge] = true;
|
}
|
}, this);
|
}
|
|
// If 'deep' option is 'true', return all the links that are connected to any of the descendent cells
|
// and are not descendents themselves.
|
if (opt.deep) {
|
|
var embeddedCells = model.getEmbeddedCells({ deep: true });
|
// In the first round, we collect all the embedded edges so that we can exclude
|
// them from the final result.
|
var embeddedEdges = {};
|
_.each(embeddedCells, function(cell) {
|
if (cell.isLink()) {
|
embeddedEdges[cell.id] = true;
|
}
|
});
|
_.each(embeddedCells, function(cell) {
|
if (cell.isLink()) return;
|
if (outbound) {
|
_.each(this.getOutboundEdges(cell.id), function(exists, edge) {
|
if (!edges[edge] && !embeddedEdges[edge]) {
|
links.push(this.getCell(edge));
|
edges[edge] = true;
|
}
|
}, this);
|
}
|
if (inbound) {
|
_.each(this.getInboundEdges(cell.id), function(exists, edge) {
|
if (!edges[edge] && !embeddedEdges[edge]) {
|
links.push(this.getCell(edge));
|
edges[edge] = true;
|
}
|
}, this);
|
}
|
}, this);
|
}
|
|
return links;
|
},
|
|
getNeighbors: function(model, opt) {
|
|
opt = opt || {};
|
|
var inbound = opt.inbound;
|
var outbound = opt.outbound;
|
if (_.isUndefined(inbound) && _.isUndefined(outbound)) {
|
inbound = outbound = true;
|
}
|
|
var neighbors = _.transform(this.getConnectedLinks(model, opt), function(res, link) {
|
|
var source = link.get('source');
|
var target = link.get('target');
|
var loop = link.hasLoop(opt);
|
|
// Discard if it is a point, or if the neighbor was already added.
|
if (inbound && _.has(source, 'id') && !res[source.id]) {
|
|
var sourceElement = this.getCell(source.id);
|
|
if (loop || (sourceElement && sourceElement !== model && (!opt.deep || !sourceElement.isEmbeddedIn(model)))) {
|
res[source.id] = sourceElement;
|
}
|
}
|
|
// Discard if it is a point, or if the neighbor was already added.
|
if (outbound && _.has(target, 'id') && !res[target.id]) {
|
|
var targetElement = this.getCell(target.id);
|
|
if (loop || (targetElement && targetElement !== model && (!opt.deep || !targetElement.isEmbeddedIn(model)))) {
|
res[target.id] = targetElement;
|
}
|
}
|
|
}, {}, this);
|
|
return _.values(neighbors);
|
},
|
|
getCommonAncestor: function(/* cells */) {
|
|
var cellsAncestors = _.map(arguments, function(cell) {
|
|
var ancestors = [];
|
var parentId = cell.get('parent');
|
|
while (parentId) {
|
|
ancestors.push(parentId);
|
parentId = this.getCell(parentId).get('parent');
|
}
|
|
return ancestors;
|
|
}, this);
|
|
cellsAncestors = _.sortBy(cellsAncestors, 'length');
|
|
var commonAncestor = _.find(cellsAncestors.shift(), function(ancestor) {
|
|
return _.every(cellsAncestors, function(cellAncestors) {
|
return _.contains(cellAncestors, ancestor);
|
});
|
});
|
|
return this.getCell(commonAncestor);
|
},
|
|
// Find the whole branch starting at `element`.
|
// If `opt.deep` is `true`, take into account embedded elements too.
|
// If `opt.breadthFirst` is `true`, use the Breadth-first search algorithm, otherwise use Depth-first search.
|
getSuccessors: function(element, opt) {
|
|
opt = opt || {};
|
var res = [];
|
// Modify the options so that it includes the `outbound` neighbors only. In other words, search forwards.
|
this.search(element, function(el) {
|
if (el !== element) {
|
res.push(el);
|
}
|
}, _.extend({}, opt, { outbound: true }));
|
return res;
|
},
|
|
// Clone `cells` returning an object that maps the original cell ID to the clone. The number
|
// of clones is exactly the same as the `cells.length`.
|
// This function simply clones all the `cells`. However, it also reconstructs
|
// all the `source/target` and `parent/embed` references within the `cells`.
|
// This is the main difference from the `cell.clone()` method. The
|
// `cell.clone()` method works on one single cell only.
|
// For example, for a graph: `A --- L ---> B`, `cloneCells([A, L, B])`
|
// returns `[A2, L2, B2]` resulting to a graph: `A2 --- L2 ---> B2`, i.e.
|
// the source and target of the link `L2` is changed to point to `A2` and `B2`.
|
cloneCells: function(cells) {
|
|
cells = _.unique(cells);
|
|
// A map of the form [original cell ID] -> [clone] helping
|
// us to reconstruct references for source/target and parent/embeds.
|
// This is also the returned value.
|
var cloneMap = _.transform(cells, function(map, cell) {
|
map[cell.id] = cell.clone();
|
}, {});
|
|
_.each(cells, function(cell) {
|
|
var clone = cloneMap[cell.id];
|
// assert(clone exists)
|
|
if (clone.isLink()) {
|
var source = clone.get('source');
|
var target = clone.get('target');
|
if (source.id && cloneMap[source.id]) {
|
// Source points to an element and the element is among the clones.
|
// => Update the source of the cloned link.
|
clone.prop('source/id', cloneMap[source.id].id);
|
}
|
if (target.id && cloneMap[target.id]) {
|
// Target points to an element and the element is among the clones.
|
// => Update the target of the cloned link.
|
clone.prop('target/id', cloneMap[target.id].id);
|
}
|
}
|
|
// Find the parent of the original cell
|
var parent = cell.get('parent');
|
if (parent && cloneMap[parent]) {
|
clone.set('parent', cloneMap[parent].id);
|
}
|
|
// Find the embeds of the original cell
|
var embeds = _.reduce(cell.get('embeds'), function(newEmbeds, embed) {
|
// Embedded cells that are not being cloned can not be carried
|
// over with other embedded cells.
|
if (cloneMap[embed]) {
|
newEmbeds.push(cloneMap[embed].id);
|
}
|
return newEmbeds;
|
}, []);
|
|
if (!_.isEmpty(embeds)) {
|
clone.set('embeds', embeds);
|
}
|
});
|
|
return cloneMap;
|
},
|
|
// Clone the whole subgraph (including all the connected links whose source/target is in the subgraph).
|
// If `opt.deep` is `true`, also take into account all the embedded cells of all the subgraph cells.
|
// Return a map of the form: [original cell ID] -> [clone].
|
cloneSubgraph: function(cells, opt) {
|
|
var subgraph = this.getSubgraph(cells, opt);
|
return this.cloneCells(subgraph);
|
},
|
|
// Return `cells` and all the connected links that connect cells in the `cells` array.
|
// If `opt.deep` is `true`, return all the cells including all their embedded cells
|
// and all the links that connect any of the returned cells.
|
// For example, for a single shallow element, the result is that very same element.
|
// For two elements connected with a link: `A --- L ---> B`, the result for
|
// `getSubgraph([A, B])` is `[A, L, B]`. The same goes for `getSubgraph([L])`, the result is again `[A, L, B]`.
|
getSubgraph: function(cells, opt) {
|
|
opt = opt || {};
|
|
var subgraph = [];
|
// `cellMap` is used for a quick lookup of existance of a cell in the `cells` array.
|
var cellMap = {};
|
var elements = [];
|
var links = [];
|
|
_.each(cells, function(cell) {
|
if (!cellMap[cell.id]) {
|
subgraph.push(cell);
|
cellMap[cell.id] = cell;
|
if (cell.isLink()) {
|
links.push(cell);
|
} else {
|
elements.push(cell);
|
}
|
}
|
|
if (opt.deep) {
|
var embeds = cell.getEmbeddedCells({ deep: true });
|
_.each(embeds, function(embed) {
|
if (!cellMap[embed.id]) {
|
subgraph.push(embed);
|
cellMap[embed.id] = embed;
|
if (embed.isLink()) {
|
links.push(embed);
|
} else {
|
elements.push(embed);
|
}
|
}
|
});
|
}
|
});
|
|
_.each(links, function(link) {
|
// For links, return their source & target (if they are elements - not points).
|
var source = link.get('source');
|
var target = link.get('target');
|
if (source.id && !cellMap[source.id]) {
|
var sourceElement = this.getCell(source.id);
|
subgraph.push(sourceElement);
|
cellMap[sourceElement.id] = sourceElement;
|
elements.push(sourceElement);
|
}
|
if (target.id && !cellMap[target.id]) {
|
var targetElement = this.getCell(target.id);
|
subgraph.push(this.getCell(target.id));
|
cellMap[targetElement.id] = targetElement;
|
elements.push(targetElement);
|
}
|
}, this);
|
|
_.each(elements, function(element) {
|
// For elements, include their connected links if their source/target is in the subgraph;
|
var links = this.getConnectedLinks(element, opt);
|
_.each(links, function(link) {
|
var source = link.get('source');
|
var target = link.get('target');
|
if (!cellMap[link.id] && source.id && cellMap[source.id] && target.id && cellMap[target.id]) {
|
subgraph.push(link);
|
cellMap[link.id] = link;
|
}
|
});
|
}, this);
|
|
return subgraph;
|
},
|
|
// Find all the predecessors of `element`. This is a reverse operation of `getSuccessors()`.
|
// If `opt.deep` is `true`, take into account embedded elements too.
|
// If `opt.breadthFirst` is `true`, use the Breadth-first search algorithm, otherwise use Depth-first search.
|
getPredecessors: function(element, opt) {
|
|
opt = opt || {};
|
var res = [];
|
// Modify the options so that it includes the `inbound` neighbors only. In other words, search backwards.
|
this.search(element, function(el) {
|
if (el !== element) {
|
res.push(el);
|
}
|
}, _.extend({}, opt, { inbound: true }));
|
return res;
|
},
|
|
// Perform search on the graph.
|
// If `opt.breadthFirst` is `true`, use the Breadth-first Search algorithm, otherwise use Depth-first search.
|
// By setting `opt.inbound` to `true`, you can reverse the direction of the search.
|
// If `opt.deep` is `true`, take into account embedded elements too.
|
// `iteratee` is a function of the form `function(element) {}`.
|
// If `iteratee` explicitely returns `false`, the searching stops.
|
search: function(element, iteratee, opt) {
|
|
opt = opt || {};
|
if (opt.breadthFirst) {
|
this.bfs(element, iteratee, opt);
|
} else {
|
this.dfs(element, iteratee, opt);
|
}
|
},
|
|
// Breadth-first search.
|
// If `opt.deep` is `true`, take into account embedded elements too.
|
// If `opt.inbound` is `true`, reverse the search direction (it's like reversing all the link directions).
|
// `iteratee` is a function of the form `function(element, distance) {}`.
|
// where `element` is the currently visited element and `distance` is the distance of that element
|
// from the root `element` passed the `bfs()`, i.e. the element we started the search from.
|
// Note that the `distance` is not the shortest or longest distance, it is simply the number of levels
|
// crossed till we visited the `element` for the first time. It is especially useful for tree graphs.
|
// If `iteratee` explicitely returns `false`, the searching stops.
|
bfs: function(element, iteratee, opt) {
|
|
opt = opt || {};
|
var visited = {};
|
var distance = {};
|
var queue = [];
|
|
queue.push(element);
|
distance[element.id] = 0;
|
|
while (queue.length > 0) {
|
var next = queue.shift();
|
if (!visited[next.id]) {
|
visited[next.id] = true;
|
if (iteratee(next, distance[next.id]) === false) return;
|
_.each(this.getNeighbors(next, opt), function(neighbor) {
|
distance[neighbor.id] = distance[next.id] + 1;
|
queue.push(neighbor);
|
});
|
}
|
}
|
},
|
|
// Depth-first search.
|
// If `opt.deep` is `true`, take into account embedded elements too.
|
// If `opt.inbound` is `true`, reverse the search direction (it's like reversing all the link directions).
|
// `iteratee` is a function of the form `function(element, distance) {}`.
|
// If `iteratee` explicitely returns `false`, the search stops.
|
dfs: function(element, iteratee, opt, _visited, _distance) {
|
|
opt = opt || {};
|
var visited = _visited || {};
|
var distance = _distance || 0;
|
if (iteratee(element, distance) === false) return;
|
visited[element.id] = true;
|
|
_.each(this.getNeighbors(element, opt), function(neighbor) {
|
if (!visited[neighbor.id]) {
|
this.dfs(neighbor, iteratee, opt, visited, distance + 1);
|
}
|
}, this);
|
},
|
|
// Get all the roots of the graph. Time complexity: O(|V|).
|
getSources: function() {
|
|
var sources = [];
|
_.each(this._nodes, function(exists, node) {
|
if (!this._in[node] || _.isEmpty(this._in[node])) {
|
sources.push(this.getCell(node));
|
}
|
}, this);
|
return sources;
|
},
|
|
// Get all the leafs of the graph. Time complexity: O(|V|).
|
getSinks: function() {
|
|
var sinks = [];
|
_.each(this._nodes, function(exists, node) {
|
if (!this._out[node] || _.isEmpty(this._out[node])) {
|
sinks.push(this.getCell(node));
|
}
|
}, this);
|
return sinks;
|
},
|
|
// Return `true` if `element` is a root. Time complexity: O(1).
|
isSource: function(element) {
|
|
return !this._in[element.id] || _.isEmpty(this._in[element.id]);
|
},
|
|
// Return `true` if `element` is a leaf. Time complexity: O(1).
|
isSink: function(element) {
|
|
return !this._out[element.id] || _.isEmpty(this._out[element.id]);
|
},
|
|
// Return `true` is `elementB` is a successor of `elementA`. Return `false` otherwise.
|
isSuccessor: function(elementA, elementB) {
|
|
var isSuccessor = false;
|
this.search(elementA, function(element) {
|
if (element === elementB && element !== elementA) {
|
isSuccessor = true;
|
return false;
|
}
|
}, { outbound: true });
|
return isSuccessor;
|
},
|
|
// Return `true` is `elementB` is a predecessor of `elementA`. Return `false` otherwise.
|
isPredecessor: function(elementA, elementB) {
|
|
var isPredecessor = false;
|
this.search(elementA, function(element) {
|
if (element === elementB && element !== elementA) {
|
isPredecessor = true;
|
return false;
|
}
|
}, { inbound: true });
|
return isPredecessor;
|
},
|
|
// Return `true` is `elementB` is a neighbor of `elementA`. Return `false` otherwise.
|
// `opt.deep` controls whether to take into account embedded elements as well. See `getNeighbors()`
|
// for more details.
|
// If `opt.outbound` is set to `true`, return `true` only if `elementB` is a successor neighbor.
|
// Similarly, if `opt.inbound` is set to `true`, return `true` only if `elementB` is a predecessor neighbor.
|
isNeighbor: function(elementA, elementB, opt) {
|
|
opt = opt || {};
|
|
var inbound = opt.inbound;
|
var outbound = opt.outbound;
|
if (_.isUndefined(inbound) && _.isUndefined(outbound)) {
|
inbound = outbound = true;
|
}
|
|
var isNeighbor = false;
|
|
_.each(this.getConnectedLinks(elementA, opt), function(link) {
|
|
var source = link.get('source');
|
var target = link.get('target');
|
var loop = link.hasLoop(opt);
|
|
// Discard if it is a point.
|
if (inbound && _.has(source, 'id') && source.id === elementB.id) {
|
isNeighbor = true;
|
return false;
|
}
|
|
// Discard if it is a point, or if the neighbor was already added.
|
if (outbound && _.has(target, 'id') && target.id === elementB.id) {
|
isNeighbor = true;
|
return false;
|
}
|
});
|
|
return isNeighbor;
|
},
|
|
// Disconnect links connected to the cell `model`.
|
disconnectLinks: function(model, options) {
|
|
_.each(this.getConnectedLinks(model), function(link) {
|
|
link.set(link.get('source').id === model.id ? 'source' : 'target', g.point(0, 0), options);
|
});
|
},
|
|
// Remove links connected to the cell `model` completely.
|
removeLinks: function(model, options) {
|
|
_.invoke(this.getConnectedLinks(model), 'remove', options);
|
},
|
|
// Find all elements at given point
|
findModelsFromPoint: function(p) {
|
|
return _.filter(this.getElements(), function(el) {
|
return el.getBBox().containsPoint(p);
|
});
|
},
|
|
// Find all elements in given area
|
findModelsInArea: function(rect, opt) {
|
|
opt = _.defaults(opt || {}, { strict: false });
|
|
var method = opt.strict ? 'containsRect' : 'intersect';
|
|
return _.filter(this.getElements(), function(el) {
|
return rect[method](el.getBBox());
|
});
|
},
|
|
// Find all elements under the given element.
|
findModelsUnderElement: function(element, opt) {
|
|
opt = _.defaults(opt || {}, { searchBy: 'bbox' });
|
|
var bbox = element.getBBox();
|
var elements = (opt.searchBy == 'bbox')
|
? this.findModelsInArea(bbox)
|
: this.findModelsFromPoint(bbox[opt.searchBy]());
|
|
// don't account element itself or any of its descendents
|
return _.reject(elements, function(el) {
|
return element.id == el.id || el.isEmbeddedIn(element);
|
});
|
},
|
|
|
// Return bounding box of all elements.
|
getBBox: function(cells, opt) {
|
return this.getCellsBBox(cells || this.getElements(), opt);
|
},
|
|
// Return the bounding box of all cells in array provided.
|
// Links are being ignored.
|
getCellsBBox: function(cells, opt) {
|
|
return _.reduce(cells, function(memo, cell) {
|
if (cell.isLink()) return memo;
|
if (memo) {
|
return memo.union(cell.getBBox(opt));
|
} else {
|
return cell.getBBox(opt);
|
}
|
}, null);
|
},
|
|
translate: function(dx, dy, opt) {
|
|
// Don't translate cells that are embedded in any other cell.
|
var cells = _.reject(this.getCells(), function(cell) {
|
return cell.isEmbedded();
|
});
|
|
_.invoke(cells, 'translate', dx, dy, opt);
|
},
|
|
resize: function(width, height, opt) {
|
|
return this.resizeCells(width, height, this.getCells(), opt);
|
},
|
|
resizeCells: function(width, height, cells, opt) {
|
|
// `getBBox` method returns `null` if no elements provided.
|
// i.e. cells can be an array of links
|
var bbox = this.getCellsBBox(cells);
|
if (bbox) {
|
var sx = Math.max(width / bbox.width, 0);
|
var sy = Math.max(height / bbox.height, 0);
|
_.invoke(cells, 'scale', sx, sy, bbox.origin(), opt);
|
}
|
|
return this;
|
},
|
|
startBatch: function(name, data) {
|
|
data = data || {};
|
this._batches[name] = (this._batches[name] || 0) + 1;
|
|
return this.trigger('batch:start', _.extend({}, data, { batchName: name }));
|
},
|
|
stopBatch: function(name, data) {
|
|
data = data || {};
|
this._batches[name] = (this._batches[name] || 0) - 1;
|
|
return this.trigger('batch:stop', _.extend({}, data, { batchName: name }));
|
},
|
|
hasActiveBatch: function(name) {
|
if (name) {
|
return this._batches[name];
|
} else {
|
return _.any(this._batches, function(batches) { return batches > 0; });
|
}
|
}
|
});
|
|
joint.util.wrapWith(joint.dia.Graph.prototype, ['resetCells', 'addCells', 'removeCells'], 'cells');
|
|
// JointJS.
|
// (c) 2011-2015 client IO
|
|
// joint.dia.Cell base model.
|
// --------------------------
|
|
joint.dia.Cell = Backbone.Model.extend({
|
|
// This is the same as Backbone.Model with the only difference that is uses _.merge
|
// instead of just _.extend. The reason is that we want to mixin attributes set in upper classes.
|
constructor: function(attributes, options) {
|
|
var defaults;
|
var attrs = attributes || {};
|
this.cid = _.uniqueId('c');
|
this.attributes = {};
|
if (options && options.collection) this.collection = options.collection;
|
if (options && options.parse) attrs = this.parse(attrs, options) || {};
|
if (defaults = _.result(this, 'defaults')) {
|
//<custom code>
|
// Replaced the call to _.defaults with _.merge.
|
attrs = _.merge({}, defaults, attrs);
|
//</custom code>
|
}
|
this.set(attrs, options);
|
this.changed = {};
|
this.initialize.apply(this, arguments);
|
},
|
|
translate: function(dx, dy, opt) {
|
|
throw new Error('Must define a translate() method.');
|
},
|
|
toJSON: function() {
|
|
var defaultAttrs = this.constructor.prototype.defaults.attrs || {};
|
var attrs = this.attributes.attrs;
|
var finalAttrs = {};
|
|
// Loop through all the attributes and
|
// omit the default attributes as they are implicitly reconstructable by the cell 'type'.
|
_.each(attrs, function(attr, selector) {
|
|
var defaultAttr = defaultAttrs[selector];
|
|
_.each(attr, function(value, name) {
|
|
// attr is mainly flat though it might have one more level (consider the `style` attribute).
|
// Check if the `value` is object and if yes, go one level deep.
|
if (_.isObject(value) && !_.isArray(value)) {
|
|
_.each(value, function(value2, name2) {
|
|
if (!defaultAttr || !defaultAttr[name] || !_.isEqual(defaultAttr[name][name2], value2)) {
|
|
finalAttrs[selector] = finalAttrs[selector] || {};
|
(finalAttrs[selector][name] || (finalAttrs[selector][name] = {}))[name2] = value2;
|
}
|
});
|
|
} else if (!defaultAttr || !_.isEqual(defaultAttr[name], value)) {
|
// `value` is not an object, default attribute for such a selector does not exist
|
// or it is different than the attribute value set on the model.
|
|
finalAttrs[selector] = finalAttrs[selector] || {};
|
finalAttrs[selector][name] = value;
|
}
|
});
|
});
|
|
var attributes = _.cloneDeep(_.omit(this.attributes, 'attrs'));
|
//var attributes = JSON.parse(JSON.stringify(_.omit(this.attributes, 'attrs')));
|
attributes.attrs = finalAttrs;
|
|
return attributes;
|
},
|
|
initialize: function(options) {
|
|
if (!options || !options.id) {
|
|
this.set('id', joint.util.uuid(), { silent: true });
|
}
|
|
this._transitionIds = {};
|
|
// Collect ports defined in `attrs` and keep collecting whenever `attrs` object changes.
|
this.processPorts();
|
this.on('change:attrs', this.processPorts, this);
|
},
|
|
processPorts: function() {
|
|
// Whenever `attrs` changes, we extract ports from the `attrs` object and store it
|
// in a more accessible way. Also, if any port got removed and there were links that had `target`/`source`
|
// set to that port, we remove those links as well (to follow the same behaviour as
|
// with a removed element).
|
|
var previousPorts = this.ports;
|
|
// Collect ports from the `attrs` object.
|
var ports = {};
|
_.each(this.get('attrs'), function(attrs, selector) {
|
|
if (attrs && attrs.port) {
|
|
// `port` can either be directly an `id` or an object containing an `id` (and potentially other data).
|
if (!_.isUndefined(attrs.port.id)) {
|
ports[attrs.port.id] = attrs.port;
|
} else {
|
ports[attrs.port] = { id: attrs.port };
|
}
|
}
|
});
|
|
// Collect ports that have been removed (compared to the previous ports) - if any.
|
// Use hash table for quick lookup.
|
var removedPorts = {};
|
_.each(previousPorts, function(port, id) {
|
|
if (!ports[id]) removedPorts[id] = true;
|
});
|
|
// Remove all the incoming/outgoing links that have source/target port set to any of the removed ports.
|
if (this.graph && !_.isEmpty(removedPorts)) {
|
|
var inboundLinks = this.graph.getConnectedLinks(this, { inbound: true });
|
_.each(inboundLinks, function(link) {
|
|
if (removedPorts[link.get('target').port]) link.remove();
|
});
|
|
var outboundLinks = this.graph.getConnectedLinks(this, { outbound: true });
|
_.each(outboundLinks, function(link) {
|
|
if (removedPorts[link.get('source').port]) link.remove();
|
});
|
}
|
|
// Update the `ports` object.
|
this.ports = ports;
|
},
|
|
remove: function(opt) {
|
|
opt = opt || {};
|
|
// Store the graph in a variable because `this.graph` won't' be accessbile after `this.trigger('remove', ...)` down below.
|
var graph = this.graph;
|
if (graph) {
|
graph.startBatch('remove');
|
}
|
|
// First, unembed this cell from its parent cell if there is one.
|
var parentCellId = this.get('parent');
|
if (parentCellId) {
|
|
var parentCell = graph && graph.getCell(parentCellId);
|
parentCell.unembed(this);
|
}
|
|
_.invoke(this.getEmbeddedCells(), 'remove', opt);
|
|
this.trigger('remove', this, this.collection, opt);
|
|
if (graph) {
|
graph.stopBatch('remove');
|
}
|
|
return this;
|
},
|
|
toFront: function(opt) {
|
|
if (this.graph) {
|
|
opt = opt || {};
|
|
var z = (this.graph.getLastCell().get('z') || 0) + 1;
|
|
this.startBatch('to-front').set('z', z, opt);
|
|
if (opt.deep) {
|
|
var cells = this.getEmbeddedCells({ deep: true, breadthFirst: true });
|
_.each(cells, function(cell) { cell.set('z', ++z, opt); });
|
|
}
|
|
this.stopBatch('to-front');
|
}
|
|
return this;
|
},
|
|
toBack: function(opt) {
|
|
if (this.graph) {
|
|
opt = opt || {};
|
|
var z = (this.graph.getFirstCell().get('z') || 0) - 1;
|
|
this.startBatch('to-back');
|
|
if (opt.deep) {
|
|
var cells = this.getEmbeddedCells({ deep: true, breadthFirst: true });
|
_.eachRight(cells, function(cell) { cell.set('z', z--, opt); });
|
}
|
|
this.set('z', z, opt).stopBatch('to-back');
|
}
|
|
return this;
|
},
|
|
embed: function(cell, opt) {
|
|
if (this === cell || this.isEmbeddedIn(cell)) {
|
|
throw new Error('Recursive embedding not allowed.');
|
|
} else {
|
|
this.startBatch('embed');
|
|
var embeds = _.clone(this.get('embeds') || []);
|
|
// We keep all element ids after link ids.
|
embeds[cell.isLink() ? 'unshift' : 'push'](cell.id);
|
|
cell.set('parent', this.id, opt);
|
this.set('embeds', _.uniq(embeds), opt);
|
|
this.stopBatch('embed');
|
}
|
|
return this;
|
},
|
|
unembed: function(cell, opt) {
|
|
this.startBatch('unembed');
|
|
cell.unset('parent', opt);
|
this.set('embeds', _.without(this.get('embeds'), cell.id), opt);
|
|
this.stopBatch('unembed');
|
|
return this;
|
},
|
|
// Return an array of ancestor cells.
|
// The array is ordered from the parent of the cell
|
// to the most distant ancestor.
|
getAncestors: function() {
|
|
var ancestors = [];
|
var parentId = this.get('parent');
|
|
if (!this.graph) {
|
return ancestors;
|
}
|
|
while (parentId !== undefined) {
|
var parent = this.graph.getCell(parentId);
|
if (parent !== undefined) {
|
ancestors.push(parent);
|
parentId = parent.get('parent');
|
} else {
|
break;
|
}
|
}
|
|
return ancestors;
|
},
|
|
getEmbeddedCells: function(opt) {
|
|
opt = opt || {};
|
|
// Cell models can only be retrieved when this element is part of a collection.
|
// There is no way this element knows about other cells otherwise.
|
// This also means that calling e.g. `translate()` on an element with embeds before
|
// adding it to a graph does not translate its embeds.
|
if (this.graph) {
|
|
var cells;
|
|
if (opt.deep) {
|
|
if (opt.breadthFirst) {
|
|
// breadthFirst algorithm
|
cells = [];
|
var queue = this.getEmbeddedCells();
|
|
while (queue.length > 0) {
|
|
var parent = queue.shift();
|
cells.push(parent);
|
queue.push.apply(queue, parent.getEmbeddedCells());
|
}
|
|
} else {
|
|
// depthFirst algorithm
|
cells = this.getEmbeddedCells();
|
_.each(cells, function(cell) {
|
cells.push.apply(cells, cell.getEmbeddedCells(opt));
|
});
|
}
|
|
} else {
|
|
cells = _.map(this.get('embeds'), this.graph.getCell, this.graph);
|
}
|
|
return cells;
|
}
|
return [];
|
},
|
|
isEmbeddedIn: function(cell, opt) {
|
|
var cellId = _.isString(cell) ? cell : cell.id;
|
var parentId = this.get('parent');
|
|
opt = _.defaults({ deep: true }, opt);
|
|
// See getEmbeddedCells().
|
if (this.graph && opt.deep) {
|
|
while (parentId) {
|
if (parentId === cellId) {
|
return true;
|
}
|
parentId = this.graph.getCell(parentId).get('parent');
|
}
|
|
return false;
|
|
} else {
|
|
// When this cell is not part of a collection check
|
// at least whether it's a direct child of given cell.
|
return parentId === cellId;
|
}
|
},
|
|
// Whether or not the cell is embedded in any other cell.
|
isEmbedded: function() {
|
|
return !!this.get('parent');
|
},
|
|
// Isolated cloning. Isolated cloning has two versions: shallow and deep (pass `{ deep: true }` in `opt`).
|
// Shallow cloning simply clones the cell and returns a new cell with different ID.
|
// Deep cloning clones the cell and all its embedded cells recursively.
|
clone: function(opt) {
|
|
opt = opt || {};
|
|
if (!opt.deep) {
|
// Shallow cloning.
|
|
var clone = Backbone.Model.prototype.clone.apply(this, arguments);
|
// We don't want the clone to have the same ID as the original.
|
clone.set('id', joint.util.uuid());
|
// A shallow cloned element does not carry over the original embeds.
|
clone.unset('embeds');
|
// And can not be embedded in any cell
|
// as the clone is not part of the graph.
|
clone.unset('parent');
|
|
return clone;
|
|
} else {
|
// Deep cloning.
|
|
// For a deep clone, simply call `graph.cloneCells()` with the cell and all its embedded cells.
|
return _.values(joint.dia.Graph.prototype.cloneCells.call(null, [this].concat(this.getEmbeddedCells({ deep: true }))));
|
}
|
},
|
|
// A convenient way to set nested properties.
|
// This method merges the properties you'd like to set with the ones
|
// stored in the cell and makes sure change events are properly triggered.
|
// You can either set a nested property with one object
|
// or use a property path.
|
// The most simple use case is:
|
// `cell.prop('name/first', 'John')` or
|
// `cell.prop({ name: { first: 'John' } })`.
|
// Nested arrays are supported too:
|
// `cell.prop('series/0/data/0/degree', 50)` or
|
// `cell.prop({ series: [ { data: [ { degree: 50 } ] } ] })`.
|
prop: function(props, value, opt) {
|
|
var delim = '/';
|
|
if (_.isString(props)) {
|
// Get/set an attribute by a special path syntax that delimits
|
// nested objects by the colon character.
|
|
if (arguments.length > 1) {
|
|
var path = props;
|
var pathArray = path.split('/');
|
var property = pathArray[0];
|
|
// Remove the top-level property from the array of properties.
|
pathArray.shift();
|
|
opt = opt || {};
|
opt.propertyPath = path;
|
opt.propertyValue = value;
|
|
if (pathArray.length === 0) {
|
// Property is not nested. We can simply use `set()`.
|
return this.set(property, value, opt);
|
}
|
|
var update = {};
|
// Initialize the nested object. Subobjects are either arrays or objects.
|
// An empty array is created if the sub-key is an integer. Otherwise, an empty object is created.
|
// Note that this imposes a limitation on object keys one can use with Inspector.
|
// Pure integer keys will cause issues and are therefore not allowed.
|
var initializer = update;
|
var prevProperty = property;
|
_.each(pathArray, function(key) {
|
initializer = initializer[prevProperty] = (_.isFinite(Number(key)) ? [] : {});
|
prevProperty = key;
|
});
|
// Fill update with the `value` on `path`.
|
update = joint.util.setByPath(update, path, value, '/');
|
|
var baseAttributes = _.merge({}, this.attributes);
|
// if rewrite mode enabled, we replace value referenced by path with
|
// the new one (we don't merge).
|
opt.rewrite && joint.util.unsetByPath(baseAttributes, path, '/');
|
|
// Merge update with the model attributes.
|
var attributes = _.merge(baseAttributes, update);
|
// Finally, set the property to the updated attributes.
|
return this.set(property, attributes[property], opt);
|
|
} else {
|
|
return joint.util.getByPath(this.attributes, props, delim);
|
}
|
}
|
|
return this.set(_.merge({}, this.attributes, props), value);
|
},
|
|
// A convient way to unset nested properties
|
removeProp: function(path, opt) {
|
|
// Once a property is removed from the `attrs` attribute
|
// the cellView will recognize a `dirty` flag and rerender itself
|
// in order to remove the attribute from SVG element.
|
opt = opt || {};
|
opt.dirty = true;
|
|
var pathArray = path.split('/');
|
|
if (pathArray.length === 1) {
|
// A top level property
|
return this.unset(path, opt);
|
}
|
|
// A nested property
|
var property = pathArray[0];
|
var nestedPath = pathArray.slice(1).join('/');
|
var propertyValue = _.merge({}, this.get(property));
|
|
joint.util.unsetByPath(propertyValue, nestedPath, '/');
|
|
return this.set(property, propertyValue, opt);
|
},
|
|
// A convenient way to set nested attributes.
|
attr: function(attrs, value, opt) {
|
|
var args = Array.prototype.slice.call(arguments);
|
|
if (_.isString(attrs)) {
|
// Get/set an attribute by a special path syntax that delimits
|
// nested objects by the colon character.
|
args[0] = 'attrs/' + attrs;
|
|
} else {
|
|
args[0] = { 'attrs' : attrs };
|
}
|
|
return this.prop.apply(this, args);
|
},
|
|
// A convenient way to unset nested attributes
|
removeAttr: function(path, opt) {
|
|
if (_.isArray(path)) {
|
_.each(path, function(p) { this.removeAttr(p, opt); }, this);
|
return this;
|
}
|
|
return this.removeProp('attrs/' + path, opt);
|
},
|
|
transition: function(path, value, opt, delim) {
|
|
delim = delim || '/';
|
|
var defaults = {
|
duration: 100,
|
delay: 10,
|
timingFunction: joint.util.timing.linear,
|
valueFunction: joint.util.interpolate.number
|
};
|
|
opt = _.extend(defaults, opt);
|
|
var firstFrameTime = 0;
|
var interpolatingFunction;
|
|
var setter = _.bind(function(runtime) {
|
|
var id, progress, propertyValue, status;
|
|
firstFrameTime = firstFrameTime || runtime;
|
runtime -= firstFrameTime;
|
progress = runtime / opt.duration;
|
|
if (progress < 1) {
|
this._transitionIds[path] = id = joint.util.nextFrame(setter);
|
} else {
|
progress = 1;
|
delete this._transitionIds[path];
|
}
|
|
propertyValue = interpolatingFunction(opt.timingFunction(progress));
|
|
opt.transitionId = id;
|
|
this.prop(path, propertyValue, opt);
|
|
if (!id) this.trigger('transition:end', this, path);
|
|
}, this);
|
|
var initiator = _.bind(function(callback) {
|
|
this.stopTransitions(path);
|
|
interpolatingFunction = opt.valueFunction(joint.util.getByPath(this.attributes, path, delim), value);
|
|
this._transitionIds[path] = joint.util.nextFrame(callback);
|
|
this.trigger('transition:start', this, path);
|
|
}, this);
|
|
return _.delay(initiator, opt.delay, setter);
|
},
|
|
getTransitions: function() {
|
return _.keys(this._transitionIds);
|
},
|
|
stopTransitions: function(path, delim) {
|
|
delim = delim || '/';
|
|
var pathArray = path && path.split(delim);
|
|
_(this._transitionIds).keys().filter(pathArray && function(key) {
|
|
return _.isEqual(pathArray, key.split(delim).slice(0, pathArray.length));
|
|
}).each(function(key) {
|
|
joint.util.cancelFrame(this._transitionIds[key]);
|
|
delete this._transitionIds[key];
|
|
this.trigger('transition:end', this, key);
|
|
}, this);
|
|
return this;
|
},
|
|
// A shorcut making it easy to create constructs like the following:
|
// `var el = (new joint.shapes.basic.Rect).addTo(graph)`.
|
addTo: function(graph, opt) {
|
|
graph.addCell(this, opt);
|
return this;
|
},
|
|
// A shortcut for an equivalent call: `paper.findViewByModel(cell)`
|
// making it easy to create constructs like the following:
|
// `cell.findView(paper).highlight()`
|
findView: function(paper) {
|
|
return paper.findViewByModel(this);
|
},
|
|
isElement: function() {
|
|
return false;
|
},
|
|
isLink: function() {
|
|
return false;
|
},
|
|
startBatch: function(name, opt) {
|
if (this.graph) { this.graph.startBatch(name, _.extend({}, opt, { cell: this })); }
|
return this;
|
},
|
|
stopBatch: function(name, opt) {
|
if (this.graph) { this.graph.stopBatch(name, _.extend({}, opt, { cell: this })); }
|
return this;
|
}
|
});
|
|
// joint.dia.CellView base view and controller.
|
// --------------------------------------------
|
|
// This is the base view and controller for `joint.dia.ElementView` and `joint.dia.LinkView`.
|
|
joint.dia.CellView = joint.mvc.View.extend({
|
|
tagName: 'g',
|
|
attributes: function() {
|
|
return { 'model-id': this.model.id };
|
},
|
|
constructor: function(options) {
|
|
// Make sure a global unique id is assigned to this view. Store this id also to the properties object.
|
// The global unique id makes sure that the same view can be rendered on e.g. different machines and
|
// still be associated to the same object among all those clients. This is necessary for real-time
|
// collaboration mechanism.
|
options.id = options.id || joint.util.guid(this);
|
|
joint.mvc.View.call(this, options);
|
},
|
|
init: function() {
|
|
_.bindAll(this, 'remove', 'update');
|
|
// Store reference to this to the <g> DOM element so that the view is accessible through the DOM tree.
|
this.$el.data('view', this);
|
|
this.listenTo(this.model, 'change:attrs', this.onChangeAttrs);
|
},
|
|
onChangeAttrs: function(cell, attrs, opt) {
|
|
if (opt.dirty) {
|
|
// dirty flag could be set when a model attribute was removed and it needs to be cleared
|
// also from the DOM element. See cell.removeAttr().
|
return this.render();
|
}
|
|
return this.update(cell, attrs, opt);
|
},
|
|
// Return `true` if cell link is allowed to perform a certain UI `feature`.
|
// Example: `can('vertexMove')`, `can('labelMove')`.
|
can: function(feature) {
|
|
var interactive = _.isFunction(this.options.interactive)
|
? this.options.interactive(this)
|
: this.options.interactive;
|
|
return (_.isObject(interactive) && interactive[feature] !== false) ||
|
(_.isBoolean(interactive) && interactive !== false);
|
},
|
|
// Override the Backbone `_ensureElement()` method in order to create a `<g>` node that wraps
|
// all the nodes of the Cell view.
|
_ensureElement: function() {
|
|
var el;
|
|
if (!this.el) {
|
|
var attrs = _.extend({ id: this.id }, _.result(this, 'attributes'));
|
if (this.className) attrs['class'] = _.result(this, 'className');
|
el = V(_.result(this, 'tagName'), attrs).node;
|
|
} else {
|
|
el = _.result(this, 'el');
|
}
|
|
this.setElement(el, false);
|
},
|
|
// Utilize an alternative DOM manipulation API by
|
// adding an element reference wrapped in Vectorizer.
|
_setElement: function(el) {
|
this.$el = el instanceof Backbone.$ ? el : Backbone.$(el);
|
this.el = this.$el[0];
|
this.vel = V(this.el);
|
},
|
|
findBySelector: function(selector) {
|
|
// These are either descendants of `this.$el` of `this.$el` itself.
|
// `.` is a special selector used to select the wrapping `<g>` element.
|
var $selected = selector === '.' ? this.$el : this.$el.find(selector);
|
return $selected;
|
},
|
|
notify: function(eventName) {
|
|
if (this.paper) {
|
|
var args = Array.prototype.slice.call(arguments, 1);
|
|
// Trigger the event on both the element itself and also on the paper.
|
this.trigger.apply(this, [eventName].concat(args));
|
|
// Paper event handlers receive the view object as the first argument.
|
this.paper.trigger.apply(this.paper, [eventName, this].concat(args));
|
}
|
},
|
|
getStrokeBBox: function(el) {
|
// Return a bounding box rectangle that takes into account stroke.
|
// Note that this is a naive and ad-hoc implementation that does not
|
// works only in certain cases and should be replaced as soon as browsers will
|
// start supporting the getStrokeBBox() SVG method.
|
// @TODO any better solution is very welcome!
|
|
var isMagnet = !!el;
|
|
el = el || this.el;
|
var bbox = V(el).bbox(false, this.paper.viewport);
|
|
var strokeWidth;
|
if (isMagnet) {
|
|
strokeWidth = V(el).attr('stroke-width');
|
|
} else {
|
|
strokeWidth = this.model.attr('rect/stroke-width') || this.model.attr('circle/stroke-width') || this.model.attr('ellipse/stroke-width') || this.model.attr('path/stroke-width');
|
}
|
|
strokeWidth = parseFloat(strokeWidth) || 0;
|
|
return g.rect(bbox).moveAndExpand({ x: -strokeWidth / 2, y: -strokeWidth / 2, width: strokeWidth, height: strokeWidth });
|
},
|
|
getBBox: function() {
|
|
return g.rect(this.vel.bbox());
|
},
|
|
highlight: function(el, opt) {
|
|
el = !el ? this.el : this.$(el)[0] || this.el;
|
|
// set partial flag if the highlighted element is not the entire view.
|
opt = opt || {};
|
opt.partial = el != this.el;
|
|
this.notify('cell:highlight', el, opt);
|
return this;
|
},
|
|
unhighlight: function(el, opt) {
|
|
el = !el ? this.el : this.$(el)[0] || this.el;
|
|
opt = opt || {};
|
opt.partial = el != this.el;
|
|
this.notify('cell:unhighlight', el, opt);
|
return this;
|
},
|
|
// Find the closest element that has the `magnet` attribute set to `true`. If there was not such
|
// an element found, return the root element of the cell view.
|
findMagnet: function(el) {
|
|
var $el = this.$(el);
|
|
if ($el.length === 0 || $el[0] === this.el) {
|
|
// If the overall cell has set `magnet === false`, then return `undefined` to
|
// announce there is no magnet found for this cell.
|
// This is especially useful to set on cells that have 'ports'. In this case,
|
// only the ports have set `magnet === true` and the overall element has `magnet === false`.
|
var attrs = this.model.get('attrs') || {};
|
if (attrs['.'] && attrs['.']['magnet'] === false) {
|
return undefined;
|
}
|
|
return this.el;
|
}
|
|
if ($el.attr('magnet')) {
|
|
return $el[0];
|
}
|
|
return this.findMagnet($el.parent());
|
},
|
|
// `selector` is a CSS selector or `'.'`. `filter` must be in the special JointJS filter format:
|
// `{ name: <name of the filter>, args: { <arguments>, ... }`.
|
// An example is: `{ filter: { name: 'blur', args: { radius: 5 } } }`.
|
applyFilter: function(selector, filter) {
|
|
var $selected = _.isString(selector) ? this.findBySelector(selector) : $(selector);
|
|
// Generate a hash code from the stringified filter definition. This gives us
|
// a unique filter ID for different definitions.
|
var filterId = filter.name + this.paper.svg.id + joint.util.hashCode(JSON.stringify(filter));
|
|
// If the filter already exists in the document,
|
// we're done and we can just use it (reference it using `url()`).
|
// If not, create one.
|
if (!this.paper.svg.getElementById(filterId)) {
|
|
var filterSVGString = joint.util.filter[filter.name] && joint.util.filter[filter.name](filter.args || {});
|
if (!filterSVGString) {
|
throw new Error('Non-existing filter ' + filter.name);
|
}
|
var filterElement = V(filterSVGString);
|
// Set the filter area to be 3x the bounding box of the cell
|
// and center the filter around the cell.
|
filterElement.attr({
|
filterUnits: 'objectBoundingBox',
|
x: -1, y: -1, width: 3, height: 3
|
});
|
if (filter.attrs) filterElement.attr(filter.attrs);
|
filterElement.node.id = filterId;
|
V(this.paper.svg).defs().append(filterElement);
|
}
|
|
$selected.each(function() {
|
|
V(this).attr('filter', 'url(#' + filterId + ')');
|
});
|
},
|
|
// `selector` is a CSS selector or `'.'`. `attr` is either a `'fill'` or `'stroke'`.
|
// `gradient` must be in the special JointJS gradient format:
|
// `{ type: <linearGradient|radialGradient>, stops: [ { offset: <offset>, color: <color> }, ... ]`.
|
// An example is: `{ fill: { type: 'linearGradient', stops: [ { offset: '10%', color: 'green' }, { offset: '50%', color: 'blue' } ] } }`.
|
applyGradient: function(selector, attr, gradient) {
|
|
var $selected = _.isString(selector) ? this.findBySelector(selector) : $(selector);
|
|
// Generate a hash code from the stringified filter definition. This gives us
|
// a unique filter ID for different definitions.
|
var gradientId = gradient.type + this.paper.svg.id + joint.util.hashCode(JSON.stringify(gradient));
|
|
// If the gradient already exists in the document,
|
// we're done and we can just use it (reference it using `url()`).
|
// If not, create one.
|
if (!this.paper.svg.getElementById(gradientId)) {
|
|
var gradientSVGString = [
|
'<' + gradient.type + '>',
|
_.map(gradient.stops, function(stop) {
|
return '<stop offset="' + stop.offset + '" stop-color="' + stop.color + '" stop-opacity="' + (_.isFinite(stop.opacity) ? stop.opacity : 1) + '" />';
|
}).join(''),
|
'</' + gradient.type + '>'
|
].join('');
|
|
var gradientElement = V(gradientSVGString);
|
if (gradient.attrs) { gradientElement.attr(gradient.attrs); }
|
gradientElement.node.id = gradientId;
|
V(this.paper.svg).defs().append(gradientElement);
|
}
|
|
$selected.each(function() {
|
|
V(this).attr(attr, 'url(#' + gradientId + ')');
|
});
|
},
|
|
// Construct a unique selector for the `el` element within this view.
|
// `prevSelector` is being collected through the recursive call.
|
// No value for `prevSelector` is expected when using this method.
|
getSelector: function(el, prevSelector) {
|
|
if (el === this.el) {
|
return prevSelector;
|
}
|
|
var nthChild = V(el).index() + 1;
|
var selector = el.tagName + ':nth-child(' + nthChild + ')';
|
|
if (prevSelector) {
|
selector += ' > ' + prevSelector;
|
}
|
|
return this.getSelector(el.parentNode, selector);
|
},
|
|
// Interaction. The controller part.
|
// ---------------------------------
|
|
// Interaction is handled by the paper and delegated to the view in interest.
|
// `x` & `y` parameters passed to these functions represent the coordinates already snapped to the paper grid.
|
// If necessary, real coordinates can be obtained from the `evt` event object.
|
|
// These functions are supposed to be overriden by the views that inherit from `joint.dia.Cell`,
|
// i.e. `joint.dia.Element` and `joint.dia.Link`.
|
|
pointerdblclick: function(evt, x, y) {
|
|
this.notify('cell:pointerdblclick', evt, x, y);
|
},
|
|
pointerclick: function(evt, x, y) {
|
|
this.notify('cell:pointerclick', evt, x, y);
|
},
|
|
pointerdown: function(evt, x, y) {
|
|
if (this.model.graph) {
|
this.model.startBatch('pointer');
|
this._graph = this.model.graph;
|
}
|
|
this.notify('cell:pointerdown', evt, x, y);
|
},
|
|
pointermove: function(evt, x, y) {
|
|
this.notify('cell:pointermove', evt, x, y);
|
},
|
|
pointerup: function(evt, x, y) {
|
|
this.notify('cell:pointerup', evt, x, y);
|
|
if (this._graph) {
|
// we don't want to trigger event on model as model doesn't
|
// need to be member of collection anymore (remove)
|
this._graph.stopBatch('pointer', { cell: this.model });
|
delete this._graph;
|
}
|
},
|
|
mouseover: function(evt) {
|
|
this.notify('cell:mouseover', evt);
|
},
|
|
mouseout: function(evt) {
|
|
this.notify('cell:mouseout', evt);
|
},
|
|
mousewheel: function(evt, x, y, delta) {
|
|
this.notify('cell:mousewheel', evt, x, y, delta);
|
},
|
|
contextmenu: function(evt, x, y) {
|
|
this.notify('cell:contextmenu', evt, x, y);
|
},
|
|
onSetTheme: function(oldTheme, newTheme) {
|
|
if (oldTheme) {
|
this.vel.removeClass(this.themeClassNamePrefix + oldTheme);
|
}
|
|
this.vel.addClass(this.themeClassNamePrefix + newTheme);
|
}
|
});
|
|
// JointJS library.
|
// (c) 2011-2015 client IO
|
|
// joint.dia.Element base model.
|
// -----------------------------
|
|
joint.dia.Element = joint.dia.Cell.extend({
|
|
defaults: {
|
position: { x: 0, y: 0 },
|
size: { width: 1, height: 1 },
|
angle: 0
|
},
|
|
isElement: function() {
|
|
return true;
|
},
|
|
position: function(x, y, opt) {
|
|
var isSetter = _.isNumber(y);
|
|
opt = (isSetter ? opt : x) || {};
|
|
// option `parentRelative` for setting the position relative to the element's parent.
|
if (opt.parentRelative) {
|
|
// Getting the parent's position requires the collection.
|
// Cell.get('parent') helds cell id only.
|
if (!this.graph) throw new Error('Element must be part of a graph.');
|
|
var parent = this.graph.getCell(this.get('parent'));
|
var parentPosition = parent && !parent.isLink()
|
? parent.get('position')
|
: { x: 0, y: 0 };
|
}
|
|
if (isSetter) {
|
|
if (opt.parentRelative) {
|
x += parentPosition.x;
|
y += parentPosition.y;
|
}
|
|
return this.set('position', { x: x, y: y }, opt);
|
|
} else { // Getter returns a geometry point.
|
|
var elementPosition = g.point(this.get('position'));
|
|
return opt.parentRelative
|
? elementPosition.difference(parentPosition)
|
: elementPosition;
|
}
|
},
|
|
translate: function(tx, ty, opt) {
|
|
tx = tx || 0;
|
ty = ty || 0;
|
|
if (tx === 0 && ty === 0) {
|
// Like nothing has happened.
|
return this;
|
}
|
|
opt = opt || {};
|
// Pass the initiator of the translation.
|
opt.translateBy = opt.translateBy || this.id;
|
|
var position = this.get('position') || { x: 0, y: 0 };
|
|
if (opt.restrictedArea && opt.translateBy === this.id) {
|
|
// We are restricting the translation for the element itself only. We get
|
// the bounding box of the element including all its embeds.
|
// All embeds have to be translated the exact same way as the element.
|
var bbox = this.getBBox({ deep: true });
|
var ra = opt.restrictedArea;
|
//- - - - - - - - - - - - -> ra.x + ra.width
|
// - - - -> position.x |
|
// -> bbox.x
|
// ▓▓▓▓▓▓▓ |
|
// ░░░░░░░▓▓▓▓▓▓▓
|
// ░░░░░░░░░ |
|
// ▓▓▓▓▓▓▓▓░░░░░░░
|
// ▓▓▓▓▓▓▓▓ |
|
// <-dx-> | restricted area right border
|
// <-width-> | ░ translated element
|
// <- - bbox.width - -> ▓ embedded element
|
var dx = position.x - bbox.x;
|
var dy = position.y - bbox.y;
|
// Find the maximal/minimal coordinates that the element can be translated
|
// while complies the restrictions.
|
var x = Math.max(ra.x + dx, Math.min(ra.x + ra.width + dx - bbox.width, position.x + tx));
|
var y = Math.max(ra.y + dy, Math.min(ra.y + ra.height + dy - bbox.height, position.y + ty));
|
// recalculate the translation taking the resctrictions into account.
|
tx = x - position.x;
|
ty = y - position.y;
|
}
|
|
var translatedPosition = {
|
x: position.x + tx,
|
y: position.y + ty
|
};
|
|
// To find out by how much an element was translated in event 'change:position' handlers.
|
opt.tx = tx;
|
opt.ty = ty;
|
|
if (opt.transition) {
|
|
if (!_.isObject(opt.transition)) opt.transition = {};
|
|
this.transition('position', translatedPosition, _.extend({}, opt.transition, {
|
valueFunction: joint.util.interpolate.object
|
}));
|
|
} else {
|
|
this.set('position', translatedPosition, opt);
|
|
// Recursively call `translate()` on all the embeds cells.
|
_.invoke(this.getEmbeddedCells(), 'translate', tx, ty, opt);
|
}
|
|
return this;
|
},
|
|
resize: function(width, height, opt) {
|
|
opt = opt || {};
|
|
this.startBatch('resize', opt);
|
|
if (opt.direction) {
|
|
var currentSize = this.get('size');
|
|
switch (opt.direction) {
|
|
case 'left':
|
case 'right':
|
// Don't change height when resizing horizontally.
|
height = currentSize.height;
|
break;
|
|
case 'top':
|
case 'bottom':
|
// Don't change width when resizing vertically.
|
width = currentSize.width;
|
break;
|
}
|
|
// Get the angle and clamp its value between 0 and 360 degrees.
|
var angle = g.normalizeAngle(this.get('angle') || 0);
|
|
var quadrant = {
|
'top-right': 0,
|
'right': 0,
|
'top-left': 1,
|
'top': 1,
|
'bottom-left': 2,
|
'left': 2,
|
'bottom-right': 3,
|
'bottom': 3
|
}[opt.direction];
|
|
if (opt.absolute) {
|
|
// We are taking the element's rotation into account
|
quadrant += Math.floor((angle + 45) / 90);
|
quadrant %= 4;
|
}
|
|
// This is a rectangle in size of the unrotated element.
|
var bbox = this.getBBox();
|
|
// Pick the corner point on the element, which meant to stay on its place before and
|
// after the rotation.
|
var fixedPoint = bbox[['bottomLeft', 'corner', 'topRight', 'origin'][quadrant]]();
|
|
// Find an image of the previous indent point. This is the position, where is the
|
// point actually located on the screen.
|
var imageFixedPoint = g.point(fixedPoint).rotate(bbox.center(), -angle);
|
|
// Every point on the element rotates around a circle with the centre of rotation
|
// in the middle of the element while the whole element is being rotated. That means
|
// that the distance from a point in the corner of the element (supposed its always rect) to
|
// the center of the element doesn't change during the rotation and therefore it equals
|
// to a distance on unrotated element.
|
// We can find the distance as DISTANCE = (ELEMENTWIDTH/2)^2 + (ELEMENTHEIGHT/2)^2)^0.5.
|
var radius = Math.sqrt((width * width) + (height * height)) / 2;
|
|
// Now we are looking for an angle between x-axis and the line starting at image of fixed point
|
// and ending at the center of the element. We call this angle `alpha`.
|
|
// The image of a fixed point is located in n-th quadrant. For each quadrant passed
|
// going anti-clockwise we have to add 90 degrees. Note that the first quadrant has index 0.
|
//
|
// 3 | 2
|
// --c-- Quadrant positions around the element's center `c`
|
// 0 | 1
|
//
|
var alpha = quadrant * Math.PI / 2;
|
|
// Add an angle between the beginning of the current quadrant (line parallel with x-axis or y-axis
|
// going through the center of the element) and line crossing the indent of the fixed point and the center
|
// of the element. This is the angle we need but on the unrotated element.
|
alpha += Math.atan(quadrant % 2 == 0 ? height / width : width / height);
|
|
// Lastly we have to deduct the original angle the element was rotated by and that's it.
|
alpha -= g.toRad(angle);
|
|
// With this angle and distance we can easily calculate the centre of the unrotated element.
|
// Note that fromPolar constructor accepts an angle in radians.
|
var center = g.point.fromPolar(radius, alpha, imageFixedPoint);
|
|
// The top left corner on the unrotated element has to be half a width on the left
|
// and half a height to the top from the center. This will be the origin of rectangle
|
// we were looking for.
|
var origin = g.point(center).offset( width / -2, height / -2);
|
|
// Resize the element (before re-positioning it).
|
this.set('size', { width: width, height: height }, opt);
|
|
// Finally, re-position the element.
|
this.position(origin.x, origin.y, opt);
|
|
} else {
|
|
// Resize the element.
|
this.set('size', { width: width, height: height }, opt);
|
}
|
|
this.stopBatch('resize', opt);
|
|
return this;
|
},
|
|
scale: function(sx, sy, origin, opt) {
|
|
var scaledBBox = this.getBBox().scale(sx, sy, origin);
|
this.startBatch('scale', opt);
|
this.position(scaledBBox.x, scaledBBox.y, opt);
|
this.resize(scaledBBox.width, scaledBBox.height, opt);
|
this.stopBatch('scale');
|
return this;
|
},
|
|
fitEmbeds: function(opt) {
|
|
opt = opt || {};
|
|
// Getting the children's size and position requires the collection.
|
// Cell.get('embdes') helds an array of cell ids only.
|
if (!this.graph) throw new Error('Element must be part of a graph.');
|
|
var embeddedCells = this.getEmbeddedCells();
|
|
if (embeddedCells.length > 0) {
|
|
this.startBatch('fit-embeds', opt);
|
|
if (opt.deep) {
|
// Recursively apply fitEmbeds on all embeds first.
|
_.invoke(embeddedCells, 'fitEmbeds', opt);
|
}
|
|
// Compute cell's size and position based on the children bbox
|
// and given padding.
|
var bbox = this.graph.getCellsBBox(embeddedCells);
|
var padding = joint.util.normalizeSides(opt.padding);
|
|
// Apply padding computed above to the bbox.
|
bbox.moveAndExpand({
|
x: - padding.left,
|
y: - padding.top,
|
width: padding.right + padding.left,
|
height: padding.bottom + padding.top
|
});
|
|
// Set new element dimensions finally.
|
this.set({
|
position: { x: bbox.x, y: bbox.y },
|
size: { width: bbox.width, height: bbox.height }
|
}, opt);
|
|
this.stopBatch('fit-embeds');
|
}
|
|
return this;
|
},
|
|
// Rotate element by `angle` degrees, optionally around `origin` point.
|
// If `origin` is not provided, it is considered to be the center of the element.
|
// If `absolute` is `true`, the `angle` is considered is abslute, i.e. it is not
|
// the difference from the previous angle.
|
rotate: function(angle, absolute, origin) {
|
|
if (origin) {
|
|
var center = this.getBBox().center();
|
var size = this.get('size');
|
var position = this.get('position');
|
center.rotate(origin, this.get('angle') - angle);
|
var dx = center.x - size.width / 2 - position.x;
|
var dy = center.y - size.height / 2 - position.y;
|
this.startBatch('rotate', { angle: angle, absolute: absolute, origin: origin });
|
this.translate(dx, dy);
|
this.rotate(angle, absolute);
|
this.stopBatch('rotate');
|
|
} else {
|
|
this.set('angle', absolute ? angle : (this.get('angle') + angle) % 360);
|
}
|
|
return this;
|
},
|
|
getBBox: function(opt) {
|
|
opt = opt || {};
|
|
if (opt.deep && this.graph) {
|
|
// Get all the embedded elements using breadth first algorithm,
|
// that doesn't use recursion.
|
var elements = this.getEmbeddedCells({ deep: true, breadthFirst: true });
|
// Add the model itself.
|
elements.push(this);
|
|
return this.graph.getCellsBBox(elements);
|
}
|
|
var position = this.get('position');
|
var size = this.get('size');
|
|
return g.rect(position.x, position.y, size.width, size.height);
|
}
|
});
|
|
// joint.dia.Element base view and controller.
|
// -------------------------------------------
|
|
joint.dia.ElementView = joint.dia.CellView.extend({
|
|
SPECIAL_ATTRIBUTES: [
|
'style',
|
'text',
|
'html',
|
'ref-x',
|
'ref-y',
|
'ref-dx',
|
'ref-dy',
|
'ref-width',
|
'ref-height',
|
'ref',
|
'x-alignment',
|
'y-alignment',
|
'port'
|
],
|
|
className: function() {
|
return 'element ' + this.model.get('type').replace(/\./g, ' ');
|
},
|
|
initialize: function() {
|
|
_.bindAll(this, 'translate', 'resize', 'rotate');
|
|
joint.dia.CellView.prototype.initialize.apply(this, arguments);
|
|
this.listenTo(this.model, 'change:position', this.translate);
|
this.listenTo(this.model, 'change:size', this.resize);
|
this.listenTo(this.model, 'change:angle', this.rotate);
|
},
|
|
// Default is to process the `attrs` object and set attributes on subelements based on the selectors.
|
update: function(cell, renderingOnlyAttrs) {
|
|
var allAttrs = this.model.get('attrs');
|
|
var rotatable = this.rotatableNode;
|
if (rotatable) {
|
var rotation = rotatable.attr('transform');
|
rotatable.attr('transform', '');
|
}
|
|
var relativelyPositioned = [];
|
var nodesBySelector = {};
|
|
_.each(renderingOnlyAttrs || allAttrs, function(attrs, selector) {
|
|
// Elements that should be updated.
|
var $selected = this.findBySelector(selector);
|
// No element matched by the `selector` was found. We're done then.
|
if ($selected.length === 0) return;
|
|
nodesBySelector[selector] = $selected;
|
|
// Special attributes are treated by JointJS, not by SVG.
|
var specialAttributes = this.SPECIAL_ATTRIBUTES.slice();
|
|
// If the `filter` attribute is an object, it is in the special JointJS filter format and so
|
// it becomes a special attribute and is treated separately.
|
if (_.isObject(attrs.filter)) {
|
|
specialAttributes.push('filter');
|
this.applyFilter($selected, attrs.filter);
|
}
|
|
// If the `fill` or `stroke` attribute is an object, it is in the special JointJS gradient format and so
|
// it becomes a special attribute and is treated separately.
|
if (_.isObject(attrs.fill)) {
|
|
specialAttributes.push('fill');
|
this.applyGradient($selected, 'fill', attrs.fill);
|
}
|
if (_.isObject(attrs.stroke)) {
|
|
specialAttributes.push('stroke');
|
this.applyGradient($selected, 'stroke', attrs.stroke);
|
}
|
|
// Make special case for `text` attribute. So that we can set text content of the `<text>` element
|
// via the `attrs` object as well.
|
// Note that it's important to set text before applying the rest of the final attributes.
|
// Vectorizer `text()` method sets on the element its own attributes and it has to be possible
|
// to rewrite them, if needed. (i.e display: 'none')
|
if (!_.isUndefined(attrs.text)) {
|
|
$selected.each(function() {
|
|
V(this).text(attrs.text + '', { lineHeight: attrs.lineHeight, textPath: attrs.textPath, annotations: attrs.annotations });
|
});
|
specialAttributes.push('lineHeight', 'textPath', 'annotations');
|
}
|
|
// Set regular attributes on the `$selected` subelement. Note that we cannot use the jQuery attr()
|
// method as some of the attributes might be namespaced (e.g. xlink:href) which fails with jQuery attr().
|
var finalAttributes = _.omit(attrs, specialAttributes);
|
|
$selected.each(function() {
|
|
V(this).attr(finalAttributes);
|
});
|
|
// `port` attribute contains the `id` of the port that the underlying magnet represents.
|
if (attrs.port) {
|
|
$selected.attr('port', _.isUndefined(attrs.port.id) ? attrs.port : attrs.port.id);
|
}
|
|
// `style` attribute is special in the sense that it sets the CSS style of the subelement.
|
if (attrs.style) {
|
|
$selected.css(attrs.style);
|
}
|
|
if (!_.isUndefined(attrs.html)) {
|
|
$selected.each(function() {
|
|
$(this).html(attrs.html + '');
|
});
|
}
|
|
// Special `ref-x` and `ref-y` attributes make it possible to set both absolute or
|
// relative positioning of subelements.
|
if (!_.isUndefined(attrs['ref-x']) ||
|
!_.isUndefined(attrs['ref-y']) ||
|
!_.isUndefined(attrs['ref-dx']) ||
|
!_.isUndefined(attrs['ref-dy']) ||
|
!_.isUndefined(attrs['x-alignment']) ||
|
!_.isUndefined(attrs['y-alignment']) ||
|
!_.isUndefined(attrs['ref-width']) ||
|
!_.isUndefined(attrs['ref-height'])
|
) {
|
|
_.each($selected, function(el, index, list) {
|
var $el = $(el);
|
// copy original list selector to the element
|
$el.selector = list.selector;
|
relativelyPositioned.push($el);
|
});
|
}
|
|
}, this);
|
|
// We don't want the sub elements to affect the bounding box of the root element when
|
// positioning the sub elements relatively to the bounding box.
|
//_.invoke(relativelyPositioned, 'hide');
|
//_.invoke(relativelyPositioned, 'show');
|
|
// Note that we're using the bounding box without transformation because we are already inside
|
// a transformed coordinate system.
|
var size = this.model.get('size');
|
var bbox = { x: 0, y: 0, width: size.width, height: size.height };
|
|
renderingOnlyAttrs = renderingOnlyAttrs || {};
|
|
_.each(relativelyPositioned, function($el) {
|
|
// if there was a special attribute affecting the position amongst renderingOnlyAttributes
|
// we have to merge it with rest of the element's attributes as they are necessary
|
// to update the position relatively (i.e `ref`)
|
var renderingOnlyElAttrs = renderingOnlyAttrs[$el.selector];
|
var elAttrs = renderingOnlyElAttrs
|
? _.merge({}, allAttrs[$el.selector], renderingOnlyElAttrs)
|
: allAttrs[$el.selector];
|
|
this.positionRelative(V($el[0]), bbox, elAttrs, nodesBySelector);
|
|
}, this);
|
|
if (rotatable) {
|
|
rotatable.attr('transform', rotation || '');
|
}
|
},
|
|
positionRelative: function(vel, bbox, attributes, nodesBySelector) {
|
|
var ref = attributes['ref'];
|
var refDx = parseFloat(attributes['ref-dx']);
|
var refDy = parseFloat(attributes['ref-dy']);
|
var yAlignment = attributes['y-alignment'];
|
var xAlignment = attributes['x-alignment'];
|
|
// 'ref-y', 'ref-x', 'ref-width', 'ref-height' can be defined
|
// by value or by percentage e.g 4, 0.5, '200%'.
|
var refY = attributes['ref-y'];
|
var refYPercentage = _.isString(refY) && refY.slice(-1) === '%';
|
refY = parseFloat(refY);
|
if (refYPercentage) {
|
refY /= 100;
|
}
|
|
var refX = attributes['ref-x'];
|
var refXPercentage = _.isString(refX) && refX.slice(-1) === '%';
|
refX = parseFloat(refX);
|
if (refXPercentage) {
|
refX /= 100;
|
}
|
|
var refWidth = attributes['ref-width'];
|
var refWidthPercentage = _.isString(refWidth) && refWidth.slice(-1) === '%';
|
refWidth = parseFloat(refWidth);
|
if (refWidthPercentage) {
|
refWidth /= 100;
|
}
|
|
var refHeight = attributes['ref-height'];
|
var refHeightPercentage = _.isString(refHeight) && refHeight.slice(-1) === '%';
|
refHeight = parseFloat(refHeight);
|
if (refHeightPercentage) {
|
refHeight /= 100;
|
}
|
|
// Check if the node is a descendant of the scalable group.
|
var scalable = vel.findParentByClass('scalable', this.el);
|
|
// `ref` is the selector of the reference element. If no `ref` is passed, reference
|
// element is the root element.
|
if (ref) {
|
|
var vref;
|
|
if (nodesBySelector && nodesBySelector[ref]) {
|
// First we check if the same selector has been already used.
|
vref = V(nodesBySelector[ref][0]);
|
} else {
|
// Other wise we find the ref ourselves.
|
vref = ref === '.' ? this.vel : this.vel.findOne(ref);
|
}
|
|
if (!vref) {
|
throw new Error('dia.ElementView: reference does not exists.');
|
}
|
|
// Get the bounding box of the reference element relative to the root `<g>` element.
|
bbox = vref.bbox(false, this.el);
|
}
|
|
// Remove the previous translate() from the transform attribute and translate the element
|
// relative to the root bounding box following the `ref-x` and `ref-y` attributes.
|
if (vel.attr('transform')) {
|
|
vel.attr('transform', vel.attr('transform').replace(/translate\([^)]*\)/g, '').trim() || '');
|
}
|
|
// 'ref-width'/'ref-height' defines the width/height of the subelement relatively to
|
// the reference element size
|
// val in 0..1 ref-width = 0.75 sets the width to 75% of the ref. el. width
|
// val < 0 || val > 1 ref-height = -20 sets the height to the the ref. el. height shorter by 20
|
|
if (isFinite(refWidth)) {
|
|
if (refWidthPercentage || refWidth >= 0 && refWidth <= 1) {
|
|
vel.attr('width', refWidth * bbox.width);
|
|
} else {
|
|
vel.attr('width', Math.max(refWidth + bbox.width, 0));
|
}
|
}
|
|
if (isFinite(refHeight)) {
|
|
if (refHeightPercentage || refHeight >= 0 && refHeight <= 1) {
|
|
vel.attr('height', refHeight * bbox.height);
|
|
} else {
|
|
vel.attr('height', Math.max(refHeight + bbox.height, 0));
|
}
|
}
|
|
// The final translation of the subelement.
|
var tx = 0;
|
var ty = 0;
|
var scale;
|
|
// `ref-dx` and `ref-dy` define the offset of the subelement relative to the right and/or bottom
|
// coordinate of the reference element.
|
if (isFinite(refDx)) {
|
|
if (scalable) {
|
|
// Compensate for the scale grid in case the elemnt is in the scalable group.
|
scale = scale || scalable.scale();
|
tx = bbox.x + bbox.width + refDx / scale.sx;
|
|
} else {
|
|
tx = bbox.x + bbox.width + refDx;
|
}
|
}
|
|
if (isFinite(refDy)) {
|
|
if (scalable) {
|
|
// Compensate for the scale grid in case the elemnt is in the scalable group.
|
scale = scale || scalable.scale();
|
ty = bbox.y + bbox.height + refDy / scale.sy;
|
} else {
|
|
ty = bbox.y + bbox.height + refDy;
|
}
|
}
|
|
// if `refX` is in [0, 1] then `refX` is a fraction of bounding box width
|
// if `refX` is < 0 then `refX`'s absolute values is the right coordinate of the bounding box
|
// otherwise, `refX` is the left coordinate of the bounding box
|
// Analogical rules apply for `refY`.
|
if (isFinite(refX)) {
|
|
if (refXPercentage || refX > 0 && refX < 1) {
|
|
tx = bbox.x + bbox.width * refX;
|
|
} else if (scalable) {
|
|
// Compensate for the scale grid in case the elemnt is in the scalable group.
|
scale = scale || scalable.scale();
|
tx = bbox.x + refX / scale.sx;
|
|
} else {
|
|
tx = bbox.x + refX;
|
}
|
}
|
|
if (isFinite(refY)) {
|
|
if (refYPercentage || refY > 0 && refY < 1) {
|
|
ty = bbox.y + bbox.height * refY;
|
|
} else if (scalable) {
|
|
// Compensate for the scale grid in case the elemnt is in the scalable group.
|
scale = scale || scalable.scale();
|
ty = bbox.y + refY / scale.sy;
|
|
} else {
|
|
ty = bbox.y + refY;
|
}
|
}
|
|
if (!_.isUndefined(yAlignment) || !_.isUndefined(xAlignment)) {
|
|
var velBBox = vel.bbox(false, this.paper.viewport);
|
|
// `y-alignment` when set to `middle` causes centering of the subelement around its new y coordinate.
|
// `y-alignment` when set to `bottom` uses the y coordinate as referenced to the bottom of the bbox.
|
if (yAlignment === 'middle') {
|
|
ty -= velBBox.height / 2;
|
|
} else if (yAlignment === 'bottom') {
|
|
ty -= velBBox.height;
|
|
} else if (isFinite(yAlignment)) {
|
|
ty += (yAlignment > -1 && yAlignment < 1) ? velBBox.height * yAlignment : yAlignment;
|
}
|
|
// `x-alignment` when set to `middle` causes centering of the subelement around its new x coordinate.
|
// `x-alignment` when set to `right` uses the x coordinate as referenced to the right of the bbox.
|
if (xAlignment === 'middle') {
|
|
tx -= velBBox.width / 2;
|
|
} else if (xAlignment === 'right') {
|
|
tx -= velBBox.width;
|
|
} else if (isFinite(xAlignment)) {
|
|
tx += (xAlignment > -1 && xAlignment < 1) ? velBBox.width * xAlignment : xAlignment;
|
}
|
}
|
|
vel.translate(tx, ty);
|
},
|
|
// `prototype.markup` is rendered by default. Set the `markup` attribute on the model if the
|
// default markup is not desirable.
|
renderMarkup: function() {
|
|
var markup = this.model.get('markup') || this.model.markup;
|
|
if (markup) {
|
|
var nodes = V(markup);
|
|
this.vel.append(nodes);
|
|
} else {
|
|
throw new Error('properties.markup is missing while the default render() implementation is used.');
|
}
|
},
|
|
render: function() {
|
|
this.$el.empty();
|
|
this.renderMarkup();
|
|
this.rotatableNode = this.vel.findOne('.rotatable');
|
this.scalableNode = this.vel.findOne('.scalable');
|
|
this.update();
|
|
this.resize();
|
this.rotate();
|
this.translate();
|
|
return this;
|
},
|
|
// Scale the whole `<g>` group. Note the difference between `scale()` and `resize()` here.
|
// `resize()` doesn't scale the whole `<g>` group but rather adjusts the `box.sx`/`box.sy` only.
|
// `update()` is then responsible for scaling only those elements that have the `follow-scale`
|
// attribute set to `true`. This is desirable in elements that have e.g. a `<text>` subelement
|
// that is not supposed to be scaled together with a surrounding `<rect>` element that IS supposed
|
// be be scaled.
|
scale: function(sx, sy) {
|
|
// TODO: take into account the origin coordinates `ox` and `oy`.
|
this.vel.scale(sx, sy);
|
},
|
|
resize: function() {
|
|
var size = this.model.get('size') || { width: 1, height: 1 };
|
var angle = this.model.get('angle') || 0;
|
|
var scalable = this.scalableNode;
|
if (!scalable) {
|
// If there is no scalable elements, than there is nothing to resize.
|
return;
|
}
|
var scalableBbox = scalable.bbox(true);
|
// Make sure `scalableBbox.width` and `scalableBbox.height` are not zero which can happen if the element does not have any content. By making
|
// the width/height 1, we prevent HTML errors of the type `scale(Infinity, Infinity)`.
|
scalable.attr('transform', 'scale(' + (size.width / (scalableBbox.width || 1)) + ',' + (size.height / (scalableBbox.height || 1)) + ')');
|
|
// Now the interesting part. The goal is to be able to store the object geometry via just `x`, `y`, `angle`, `width` and `height`
|
// Order of transformations is significant but we want to reconstruct the object always in the order:
|
// resize(), rotate(), translate() no matter of how the object was transformed. For that to work,
|
// we must adjust the `x` and `y` coordinates of the object whenever we resize it (because the origin of the
|
// rotation changes). The new `x` and `y` coordinates are computed by canceling the previous rotation
|
// around the center of the resized object (which is a different origin then the origin of the previous rotation)
|
// and getting the top-left corner of the resulting object. Then we clean up the rotation back to what it originally was.
|
|
// Cancel the rotation but now around a different origin, which is the center of the scaled object.
|
var rotatable = this.rotatableNode;
|
var rotation = rotatable && rotatable.attr('transform');
|
if (rotation && rotation !== 'null') {
|
|
rotatable.attr('transform', rotation + ' rotate(' + (-angle) + ',' + (size.width / 2) + ',' + (size.height / 2) + ')');
|
var rotatableBbox = scalable.bbox(false, this.paper.viewport);
|
|
// Store new x, y and perform rotate() again against the new rotation origin.
|
this.model.set('position', { x: rotatableBbox.x, y: rotatableBbox.y });
|
this.rotate();
|
}
|
|
// Update must always be called on non-rotated element. Otherwise, relative positioning
|
// would work with wrong (rotated) bounding boxes.
|
this.update();
|
},
|
|
translate: function(model, changes, opt) {
|
|
var position = this.model.get('position') || { x: 0, y: 0 };
|
|
this.vel.attr('transform', 'translate(' + position.x + ',' + position.y + ')');
|
},
|
|
rotate: function() {
|
|
var rotatable = this.rotatableNode;
|
if (!rotatable) {
|
// If there is no rotatable elements, then there is nothing to rotate.
|
return;
|
}
|
|
var angle = this.model.get('angle') || 0;
|
var size = this.model.get('size') || { width: 1, height: 1 };
|
|
var ox = size.width / 2;
|
var oy = size.height / 2;
|
|
|
rotatable.attr('transform', 'rotate(' + angle + ',' + ox + ',' + oy + ')');
|
},
|
|
getBBox: function(opt) {
|
|
if (opt && opt.useModelGeometry) {
|
var noTransformationBBox = this.model.getBBox().bbox(this.model.get('angle'));
|
var transformationMatrix = this.paper.viewport.getCTM();
|
return g.rect(V.transformRect(noTransformationBBox, transformationMatrix));
|
}
|
|
return joint.dia.CellView.prototype.getBBox.apply(this, arguments);
|
},
|
|
// Embedding mode methods
|
// ----------------------
|
|
prepareEmbedding: function(opt) {
|
|
opt = opt || {};
|
|
var model = opt.model || this.model;
|
var paper = opt.paper || this.paper;
|
|
model.startBatch('to-front', opt);
|
|
// Bring the model to the front with all his embeds.
|
model.toFront({ deep: true, ui: true });
|
|
// Move to front also all the inbound and outbound links that are connected
|
// to any of the element descendant. If we bring to front only embedded elements,
|
// links connected to them would stay in the background.
|
_.invoke(paper.model.getConnectedLinks(model, { deep: true }), 'toFront', { ui: true });
|
|
model.stopBatch('to-front');
|
|
// Before we start looking for suitable parent we remove the current one.
|
var parentId = model.get('parent');
|
parentId && paper.model.getCell(parentId).unembed(model, { ui: true });
|
},
|
|
processEmbedding: function(opt) {
|
|
opt = opt || {};
|
|
var model = opt.model || this.model;
|
var paper = opt.paper || this.paper;
|
|
var paperOptions = paper.options;
|
var candidates = paper.model.findModelsUnderElement(model, { searchBy: paperOptions.findParentBy });
|
|
if (paperOptions.frontParentOnly) {
|
// pick the element with the highest `z` index
|
candidates = candidates.slice(-1);
|
}
|
|
var newCandidateView = null;
|
var prevCandidateView = this._candidateEmbedView;
|
|
// iterate over all candidates starting from the last one (has the highest z-index).
|
for (var i = candidates.length - 1; i >= 0; i--) {
|
|
var candidate = candidates[i];
|
|
if (prevCandidateView && prevCandidateView.model.id == candidate.id) {
|
|
// candidate remains the same
|
newCandidateView = prevCandidateView;
|
break;
|
|
} else {
|
|
var view = candidate.findView(paper);
|
if (paperOptions.validateEmbedding.call(paper, this, view)) {
|
|
// flip to the new candidate
|
newCandidateView = view;
|
break;
|
}
|
}
|
}
|
|
if (newCandidateView && newCandidateView != prevCandidateView) {
|
// A new candidate view found. Highlight the new one.
|
prevCandidateView && prevCandidateView.unhighlight(null, { embedding: true });
|
this._candidateEmbedView = newCandidateView.highlight(null, { embedding: true });
|
}
|
|
if (!newCandidateView && prevCandidateView) {
|
// No candidate view found. Unhighlight the previous candidate.
|
prevCandidateView.unhighlight(null, { embedding: true });
|
delete this._candidateEmbedView;
|
}
|
},
|
|
finalizeEmbedding: function(opt) {
|
|
opt = opt || {};
|
|
var candidateView = this._candidateEmbedView;
|
var model = opt.model || this.model;
|
var paper = opt.paper || this.paper;
|
|
if (candidateView) {
|
|
// We finished embedding. Candidate view is chosen to become the parent of the model.
|
candidateView.model.embed(model, { ui: true });
|
candidateView.unhighlight(null, { embedding: true });
|
|
delete this._candidateEmbedView;
|
}
|
|
_.invoke(paper.model.getConnectedLinks(model, { deep: true }), 'reparent', { ui: true });
|
},
|
|
// Interaction. The controller part.
|
// ---------------------------------
|
|
pointerdown: function(evt, x, y) {
|
|
var paper = this.paper;
|
|
if (
|
evt.target.getAttribute('magnet') &&
|
this.can('addLinkFromMagnet') &&
|
paper.options.validateMagnet.call(paper, this, evt.target)
|
) {
|
|
this.model.startBatch('add-link');
|
|
var link = paper.getDefaultLink(this, evt.target);
|
|
link.set({
|
source: {
|
id: this.model.id,
|
selector: this.getSelector(evt.target),
|
port: evt.target.getAttribute('port')
|
},
|
target: { x: x, y: y }
|
});
|
|
paper.model.addCell(link);
|
|
var linkView = this._linkView = paper.findViewByModel(link);
|
|
linkView.pointerdown(evt, x, y);
|
linkView.startArrowheadMove('target', { whenNotAllowed: 'remove' });
|
|
} else {
|
|
this._dx = x;
|
this._dy = y;
|
|
this.restrictedArea = paper.getRestrictedArea(this);
|
|
joint.dia.CellView.prototype.pointerdown.apply(this, arguments);
|
this.notify('element:pointerdown', evt, x, y);
|
}
|
},
|
|
pointermove: function(evt, x, y) {
|
|
if (this._linkView) {
|
|
// let the linkview deal with this event
|
this._linkView.pointermove(evt, x, y);
|
|
} else {
|
|
var grid = this.paper.options.gridSize;
|
|
if (this.can('elementMove')) {
|
|
var position = this.model.get('position');
|
|
// Make sure the new element's position always snaps to the current grid after
|
// translate as the previous one could be calculated with a different grid size.
|
var tx = g.snapToGrid(position.x, grid) - position.x + g.snapToGrid(x - this._dx, grid);
|
var ty = g.snapToGrid(position.y, grid) - position.y + g.snapToGrid(y - this._dy, grid);
|
|
this.model.translate(tx, ty, { restrictedArea: this.restrictedArea, ui: true });
|
|
if (this.paper.options.embeddingMode) {
|
|
if (!this._inProcessOfEmbedding) {
|
// Prepare the element for embedding only if the pointer moves.
|
// We don't want to do unnecessary action with the element
|
// if an user only clicks/dblclicks on it.
|
this.prepareEmbedding();
|
this._inProcessOfEmbedding = true;
|
}
|
|
this.processEmbedding();
|
}
|
}
|
|
this._dx = g.snapToGrid(x, grid);
|
this._dy = g.snapToGrid(y, grid);
|
|
joint.dia.CellView.prototype.pointermove.apply(this, arguments);
|
this.notify('element:pointermove', evt, x, y);
|
}
|
},
|
|
pointerup: function(evt, x, y) {
|
|
if (this._linkView) {
|
|
// Let the linkview deal with this event.
|
this._linkView.pointerup(evt, x, y);
|
this._linkView = null;
|
this.model.stopBatch('add-link');
|
|
} else {
|
|
if (this._inProcessOfEmbedding) {
|
this.finalizeEmbedding();
|
this._inProcessOfEmbedding = false;
|
}
|
|
this.notify('element:pointerup', evt, x, y);
|
joint.dia.CellView.prototype.pointerup.apply(this, arguments);
|
}
|
}
|
|
});
|
|
// JointJS diagramming library.
|
// (c) 2011-2015 client IO
|
|
// joint.dia.Link base model.
|
// --------------------------
|
joint.dia.Link = joint.dia.Cell.extend({
|
|
// The default markup for links.
|
markup: [
|
'<path class="connection" stroke="black" d="M 0 0 0 0"/>',
|
'<path class="marker-source" fill="black" stroke="black" d="M 0 0 0 0"/>',
|
'<path class="marker-target" fill="black" stroke="black" d="M 0 0 0 0"/>',
|
'<path class="connection-wrap" d="M 0 0 0 0"/>',
|
'<g class="labels"/>',
|
'<g class="marker-vertices"/>',
|
'<g class="marker-arrowheads"/>',
|
'<g class="link-tools"/>'
|
].join(''),
|
|
labelMarkup: [
|
'<g class="label">',
|
'<rect />',
|
'<text />',
|
'</g>'
|
].join(''),
|
|
toolMarkup: [
|
'<g class="link-tool">',
|
'<g class="tool-remove" event="remove">',
|
'<circle r="11" />',
|
'<path transform="scale(.8) translate(-16, -16)" d="M24.778,21.419 19.276,15.917 24.777,10.415 21.949,7.585 16.447,13.087 10.945,7.585 8.117,10.415 13.618,15.917 8.116,21.419 10.946,24.248 16.447,18.746 21.948,24.248z" />',
|
'<title>Remove link.</title>',
|
'</g>',
|
'<g class="tool-options" event="link:options">',
|
'<circle r="11" transform="translate(25)"/>',
|
'<path fill="white" transform="scale(.55) translate(29, -16)" d="M31.229,17.736c0.064-0.571,0.104-1.148,0.104-1.736s-0.04-1.166-0.104-1.737l-4.377-1.557c-0.218-0.716-0.504-1.401-0.851-2.05l1.993-4.192c-0.725-0.91-1.549-1.734-2.458-2.459l-4.193,1.994c-0.647-0.347-1.334-0.632-2.049-0.849l-1.558-4.378C17.165,0.708,16.588,0.667,16,0.667s-1.166,0.041-1.737,0.105L12.707,5.15c-0.716,0.217-1.401,0.502-2.05,0.849L6.464,4.005C5.554,4.73,4.73,5.554,4.005,6.464l1.994,4.192c-0.347,0.648-0.632,1.334-0.849,2.05l-4.378,1.557C0.708,14.834,0.667,15.412,0.667,16s0.041,1.165,0.105,1.736l4.378,1.558c0.217,0.715,0.502,1.401,0.849,2.049l-1.994,4.193c0.725,0.909,1.549,1.733,2.459,2.458l4.192-1.993c0.648,0.347,1.334,0.633,2.05,0.851l1.557,4.377c0.571,0.064,1.148,0.104,1.737,0.104c0.588,0,1.165-0.04,1.736-0.104l1.558-4.377c0.715-0.218,1.399-0.504,2.049-0.851l4.193,1.993c0.909-0.725,1.733-1.549,2.458-2.458l-1.993-4.193c0.347-0.647,0.633-1.334,0.851-2.049L31.229,17.736zM16,20.871c-2.69,0-4.872-2.182-4.872-4.871c0-2.69,2.182-4.872,4.872-4.872c2.689,0,4.871,2.182,4.871,4.872C20.871,18.689,18.689,20.871,16,20.871z"/>',
|
'<title>Link options.</title>',
|
'</g>',
|
'</g>'
|
].join(''),
|
|
// The default markup for showing/removing vertices. These elements are the children of the .marker-vertices element (see `this.markup`).
|
// Only .marker-vertex and .marker-vertex-remove element have special meaning. The former is used for
|
// dragging vertices (changin their position). The latter is used for removing vertices.
|
vertexMarkup: [
|
'<g class="marker-vertex-group" transform="translate(<%= x %>, <%= y %>)">',
|
'<circle class="marker-vertex" idx="<%= idx %>" r="10" />',
|
'<path class="marker-vertex-remove-area" idx="<%= idx %>" d="M16,5.333c-7.732,0-14,4.701-14,10.5c0,1.982,0.741,3.833,2.016,5.414L2,25.667l5.613-1.441c2.339,1.317,5.237,2.107,8.387,2.107c7.732,0,14-4.701,14-10.5C30,10.034,23.732,5.333,16,5.333z" transform="translate(5, -33)"/>',
|
'<path class="marker-vertex-remove" idx="<%= idx %>" transform="scale(.8) translate(9.5, -37)" d="M24.778,21.419 19.276,15.917 24.777,10.415 21.949,7.585 16.447,13.087 10.945,7.585 8.117,10.415 13.618,15.917 8.116,21.419 10.946,24.248 16.447,18.746 21.948,24.248z">',
|
'<title>Remove vertex.</title>',
|
'</path>',
|
'</g>'
|
].join(''),
|
|
arrowheadMarkup: [
|
'<g class="marker-arrowhead-group marker-arrowhead-group-<%= end %>">',
|
'<path class="marker-arrowhead" end="<%= end %>" d="M 26 0 L 0 13 L 26 26 z" />',
|
'</g>'
|
].join(''),
|
|
defaults: {
|
|
type: 'link',
|
source: {},
|
target: {}
|
},
|
|
isLink: function() {
|
|
return true;
|
},
|
|
disconnect: function() {
|
|
return this.set({ source: g.point(0, 0), target: g.point(0, 0) });
|
},
|
|
// A convenient way to set labels. Currently set values will be mixined with `value` if used as a setter.
|
label: function(idx, value) {
|
|
idx = idx || 0;
|
|
var labels = this.get('labels') || [];
|
|
// Is it a getter?
|
if (arguments.length === 0 || arguments.length === 1) {
|
|
return labels[idx];
|
}
|
|
var newValue = _.merge({}, labels[idx], value);
|
|
var newLabels = labels.slice();
|
newLabels[idx] = newValue;
|
|
return this.set({ labels: newLabels });
|
},
|
|
translate: function(tx, ty, opt) {
|
|
// enrich the option object
|
opt = opt || {};
|
opt.translateBy = opt.translateBy || this.id;
|
opt.tx = tx;
|
opt.ty = ty;
|
|
return this.applyToPoints(function(p) {
|
return { x: (p.x || 0) + tx, y: (p.y || 0) + ty };
|
}, opt);
|
},
|
|
scale: function(sx, sy, origin, opt) {
|
|
return this.applyToPoints(function(p) {
|
return g.point(p).scale(sx, sy, origin).toJSON();
|
}, opt);
|
},
|
|
applyToPoints: function(fn, opt) {
|
|
if (!_.isFunction(fn)) {
|
throw new TypeError('dia.Link: applyToPoints expects its first parameter to be a function.');
|
}
|
|
var attrs = {};
|
|
var source = this.get('source');
|
if (!source.id) {
|
attrs.source = fn(source);
|
}
|
|
var target = this.get('target');
|
if (!target.id) {
|
attrs.target = fn(target);
|
}
|
|
var vertices = this.get('vertices');
|
if (vertices && vertices.length > 0) {
|
attrs.vertices = _.map(vertices, fn);
|
}
|
|
return this.set(attrs, opt);
|
},
|
|
reparent: function(opt) {
|
|
var newParent;
|
|
if (this.graph) {
|
|
var source = this.graph.getCell(this.get('source').id);
|
var target = this.graph.getCell(this.get('target').id);
|
var prevParent = this.graph.getCell(this.get('parent'));
|
|
if (source && target) {
|
newParent = this.graph.getCommonAncestor(source, target);
|
}
|
|
if (prevParent && (!newParent || newParent.id !== prevParent.id)) {
|
// Unembed the link if source and target has no common ancestor
|
// or common ancestor changed
|
prevParent.unembed(this, opt);
|
}
|
|
if (newParent) {
|
newParent.embed(this, opt);
|
}
|
}
|
|
return newParent;
|
},
|
|
hasLoop: function(opt) {
|
|
opt = opt || {};
|
|
var sourceId = this.get('source').id;
|
var targetId = this.get('target').id;
|
|
if (!sourceId || !targetId) {
|
// Link "pinned" to the paper does not have a loop.
|
return false;
|
}
|
|
var loop = sourceId === targetId;
|
|
// Note that there in the deep mode a link can have a loop,
|
// even if it connects only a parent and its embed.
|
// A loop "target equals source" is valid in both shallow and deep mode.
|
if (!loop && opt.deep && this.graph) {
|
|
var sourceElement = this.graph.getCell(sourceId);
|
var targetElement = this.graph.getCell(targetId);
|
|
loop = sourceElement.isEmbeddedIn(targetElement) || targetElement.isEmbeddedIn(sourceElement);
|
}
|
|
return loop;
|
},
|
|
getSourceElement: function() {
|
|
var source = this.get('source');
|
|
return (source && source.id && this.graph && this.graph.getCell(source.id)) || null;
|
},
|
|
getTargetElement: function() {
|
|
var target = this.get('target');
|
|
return (target && target.id && this.graph && this.graph.getCell(target.id)) || null;
|
},
|
|
// Returns the common ancestor for the source element,
|
// target element and the link itself.
|
getRelationshipAncestor: function() {
|
|
var connectionAncestor;
|
|
if (this.graph) {
|
|
var cells = _.compact([
|
this,
|
this.getSourceElement(), // null if source is a point
|
this.getTargetElement() // null if target is a point
|
]);
|
|
connectionAncestor = this.graph.getCommonAncestor.apply(this.graph, cells);
|
}
|
|
return connectionAncestor || null;
|
},
|
|
// Is source, target and the link itself embedded in a given element?
|
isRelationshipEmbeddedIn: function(element) {
|
|
var elementId = _.isString(element) ? element : element.id;
|
var ancestor = this.getRelationshipAncestor();
|
|
return !!ancestor && (ancestor.id === elementId || ancestor.isEmbeddedIn(elementId));
|
}
|
});
|
|
|
// joint.dia.Link base view and controller.
|
// ----------------------------------------
|
|
joint.dia.LinkView = joint.dia.CellView.extend({
|
|
className: function() {
|
return _.unique(this.model.get('type').split('.').concat('link')).join(' ');
|
},
|
|
options: {
|
|
shortLinkLength: 100,
|
doubleLinkTools: false,
|
longLinkLength: 160,
|
linkToolsOffset: 40,
|
doubleLinkToolsOffset: 60,
|
sampleInterval: 50
|
},
|
|
_z: null,
|
|
initialize: function(options) {
|
|
joint.dia.CellView.prototype.initialize.apply(this, arguments);
|
|
// create methods in prototype, so they can be accessed from any instance and
|
// don't need to be create over and over
|
if (typeof this.constructor.prototype.watchSource !== 'function') {
|
this.constructor.prototype.watchSource = this.createWatcher('source');
|
this.constructor.prototype.watchTarget = this.createWatcher('target');
|
}
|
|
// `_.labelCache` is a mapping of indexes of labels in the `this.get('labels')` array to
|
// `<g class="label">` nodes wrapped by Vectorizer. This allows for quick access to the
|
// nodes in `updateLabelPosition()` in order to update the label positions.
|
this._labelCache = {};
|
|
// keeps markers bboxes and positions again for quicker access
|
this._markerCache = {};
|
|
// bind events
|
this.startListening();
|
},
|
|
startListening: function() {
|
|
var model = this.model;
|
|
this.listenTo(model, 'change:markup', this.render);
|
this.listenTo(model, 'change:smooth change:manhattan change:router change:connector', this.update);
|
this.listenTo(model, 'change:toolMarkup', this.onToolsChange);
|
this.listenTo(model, 'change:labels change:labelMarkup', this.onLabelsChange);
|
this.listenTo(model, 'change:vertices change:vertexMarkup', this.onVerticesChange);
|
this.listenTo(model, 'change:source', this.onSourceChange);
|
this.listenTo(model, 'change:target', this.onTargetChange);
|
},
|
|
onSourceChange: function(cell, source, opt) {
|
|
// Start watching the new source model.
|
this.watchSource(cell, source);
|
// This handler is called when the source attribute is changed.
|
// This can happen either when someone reconnects the link (or moves arrowhead),
|
// or when an embedded link is translated by its ancestor.
|
// 1. Always do update.
|
// 2. Do update only if the opposite end ('target') is also a point.
|
if (!opt.translateBy || !this.model.get('target').id) {
|
opt.updateConnectionOnly = true;
|
this.update(this.model, null, opt);
|
}
|
},
|
|
onTargetChange: function(cell, target, opt) {
|
|
// Start watching the new target model.
|
this.watchTarget(cell, target);
|
// See `onSourceChange` method.
|
if (!opt.translateBy) {
|
opt.updateConnectionOnly = true;
|
this.update(this.model, null, opt);
|
}
|
},
|
|
onVerticesChange: function(cell, changed, opt) {
|
|
this.renderVertexMarkers();
|
|
// If the vertices have been changed by a translation we do update only if the link was
|
// the only link that was translated. If the link was translated via another element which the link
|
// is embedded in, this element will be translated as well and that triggers an update.
|
// Note that all embeds in a model are sorted - first comes links, then elements.
|
if (!opt.translateBy || opt.translateBy === this.model.id) {
|
// Vertices were changed (not as a reaction on translate)
|
// or link.translate() was called or
|
opt.updateConnectionOnly = true;
|
this.update(cell, null, opt);
|
}
|
},
|
|
onToolsChange: function() {
|
|
this.renderTools().updateToolsPosition();
|
},
|
|
onLabelsChange: function() {
|
|
this.renderLabels().updateLabelPositions();
|
},
|
|
// Rendering
|
//----------
|
|
render: function() {
|
|
this.$el.empty();
|
|
// A special markup can be given in the `properties.markup` property. This might be handy
|
// if e.g. arrowhead markers should be `<image>` elements or any other element than `<path>`s.
|
// `.connection`, `.connection-wrap`, `.marker-source` and `.marker-target` selectors
|
// of elements with special meaning though. Therefore, those classes should be preserved in any
|
// special markup passed in `properties.markup`.
|
var model = this.model;
|
var children = V(model.get('markup') || model.markup);
|
|
// custom markup may contain only one children
|
if (!_.isArray(children)) children = [children];
|
|
// Cache all children elements for quicker access.
|
this._V = {}; // vectorized markup;
|
_.each(children, function(child) {
|
var c = child.attr('class');
|
c && (this._V[$.camelCase(c)] = child);
|
}, this);
|
|
// Only the connection path is mandatory
|
if (!this._V.connection) throw new Error('link: no connection path in the markup');
|
|
// partial rendering
|
this.renderTools();
|
this.renderVertexMarkers();
|
this.renderArrowheadMarkers();
|
|
this.vel.append(children);
|
|
// rendering labels has to be run after the link is appended to DOM tree. (otherwise <Text> bbox
|
// returns zero values)
|
this.renderLabels();
|
|
// start watching the ends of the link for changes
|
this.watchSource(model, model.get('source'))
|
.watchTarget(model, model.get('target'))
|
.update();
|
|
return this;
|
},
|
|
renderLabels: function() {
|
|
if (!this._V.labels) return this;
|
|
this._labelCache = {};
|
var $labels = $(this._V.labels.node).empty();
|
|
var labels = this.model.get('labels') || [];
|
if (!labels.length) return this;
|
|
var labelTemplate = joint.util.template(this.model.get('labelMarkup') || this.model.labelMarkup);
|
// This is a prepared instance of a vectorized SVGDOM node for the label element resulting from
|
// compilation of the labelTemplate. The purpose is that all labels will just `clone()` this
|
// node to create a duplicate.
|
var labelNodeInstance = V(labelTemplate());
|
|
var canLabelMove = this.can('labelMove');
|
|
_.each(labels, function(label, idx) {
|
|
var labelNode = labelNodeInstance.clone().node;
|
V(labelNode).attr('label-idx', idx);
|
if (canLabelMove) {
|
V(labelNode).attr('cursor', 'move');
|
}
|
|
// Cache label nodes so that the `updateLabels()` can just update the label node positions.
|
this._labelCache[idx] = V(labelNode);
|
|
var $text = $(labelNode).find('text');
|
var $rect = $(labelNode).find('rect');
|
|
// Text attributes with the default `text-anchor` and font-size set.
|
var textAttributes = _.extend({ 'text-anchor': 'middle', 'font-size': 14 }, joint.util.getByPath(label, 'attrs/text', '/'));
|
|
$text.attr(_.omit(textAttributes, 'text'));
|
|
if (!_.isUndefined(textAttributes.text)) {
|
|
V($text[0]).text(textAttributes.text + '', { annotations: textAttributes.annotations });
|
}
|
|
// Note that we first need to append the `<text>` element to the DOM in order to
|
// get its bounding box.
|
$labels.append(labelNode);
|
|
// `y-alignment` - center the text element around its y coordinate.
|
var textBbox = V($text[0]).bbox(true, $labels[0]);
|
V($text[0]).translate(0, -textBbox.height / 2);
|
|
// Add default values.
|
var rectAttributes = _.extend({
|
|
fill: 'white',
|
rx: 3,
|
ry: 3
|
|
}, joint.util.getByPath(label, 'attrs/rect', '/'));
|
|
$rect.attr(_.extend(rectAttributes, {
|
x: textBbox.x,
|
y: textBbox.y - textBbox.height / 2, // Take into account the y-alignment translation.
|
width: textBbox.width,
|
height: textBbox.height
|
}));
|
|
}, this);
|
|
return this;
|
},
|
|
renderTools: function() {
|
|
if (!this._V.linkTools) return this;
|
|
// Tools are a group of clickable elements that manipulate the whole link.
|
// A good example of this is the remove tool that removes the whole link.
|
// Tools appear after hovering the link close to the `source` element/point of the link
|
// but are offset a bit so that they don't cover the `marker-arrowhead`.
|
|
var $tools = $(this._V.linkTools.node).empty();
|
var toolTemplate = joint.util.template(this.model.get('toolMarkup') || this.model.toolMarkup);
|
var tool = V(toolTemplate());
|
|
$tools.append(tool.node);
|
|
// Cache the tool node so that the `updateToolsPosition()` can update the tool position quickly.
|
this._toolCache = tool;
|
|
// If `doubleLinkTools` is enabled, we render copy of the tools on the other side of the
|
// link as well but only if the link is longer than `longLinkLength`.
|
if (this.options.doubleLinkTools) {
|
|
var tool2;
|
if (this.model.get('doubleToolMarkup') || this.model.doubleToolMarkup) {
|
toolTemplate = joint.util.template(this.model.get('doubleToolMarkup') || this.model.doubleToolMarkup);
|
tool2 = V(toolTemplate());
|
} else {
|
tool2 = tool.clone();
|
}
|
|
$tools.append(tool2.node);
|
this._tool2Cache = tool2;
|
}
|
|
return this;
|
},
|
|
renderVertexMarkers: function() {
|
|
if (!this._V.markerVertices) return this;
|
|
var $markerVertices = $(this._V.markerVertices.node).empty();
|
|
// A special markup can be given in the `properties.vertexMarkup` property. This might be handy
|
// if default styling (elements) are not desired. This makes it possible to use any
|
// SVG elements for .marker-vertex and .marker-vertex-remove tools.
|
var markupTemplate = joint.util.template(this.model.get('vertexMarkup') || this.model.vertexMarkup);
|
|
_.each(this.model.get('vertices'), function(vertex, idx) {
|
|
$markerVertices.append(V(markupTemplate(_.extend({ idx: idx }, vertex))).node);
|
});
|
|
return this;
|
},
|
|
renderArrowheadMarkers: function() {
|
|
// Custom markups might not have arrowhead markers. Therefore, jump of this function immediately if that's the case.
|
if (!this._V.markerArrowheads) return this;
|
|
var $markerArrowheads = $(this._V.markerArrowheads.node);
|
|
$markerArrowheads.empty();
|
|
// A special markup can be given in the `properties.vertexMarkup` property. This might be handy
|
// if default styling (elements) are not desired. This makes it possible to use any
|
// SVG elements for .marker-vertex and .marker-vertex-remove tools.
|
var markupTemplate = joint.util.template(this.model.get('arrowheadMarkup') || this.model.arrowheadMarkup);
|
|
this._V.sourceArrowhead = V(markupTemplate({ end: 'source' }));
|
this._V.targetArrowhead = V(markupTemplate({ end: 'target' }));
|
|
$markerArrowheads.append(this._V.sourceArrowhead.node, this._V.targetArrowhead.node);
|
|
return this;
|
},
|
|
// Updating
|
//---------
|
|
// Default is to process the `attrs` object and set attributes on subelements based on the selectors.
|
update: function(model, attributes, opt) {
|
|
opt = opt || {};
|
|
if (!opt.updateConnectionOnly) {
|
// update SVG attributes defined by 'attrs/'.
|
this.updateAttributes();
|
}
|
|
// update the link path, label position etc.
|
this.updateConnection(opt);
|
this.updateLabelPositions();
|
this.updateToolsPosition();
|
this.updateArrowheadMarkers();
|
|
// Local perpendicular flag (as opposed to one defined on paper).
|
// Could be enabled inside a connector/router. It's valid only
|
// during the update execution.
|
this.options.perpendicular = null;
|
// Mark that postponed update has been already executed.
|
this.updatePostponed = false;
|
|
return this;
|
},
|
|
updateConnection: function(opt) {
|
|
opt = opt || {};
|
|
var model = this.model;
|
var route;
|
|
if (opt.translateBy && model.isRelationshipEmbeddedIn(opt.translateBy)) {
|
// The link is being translated by an ancestor that will
|
// shift source point, target point and all vertices
|
// by an equal distance.
|
var tx = opt.tx || 0;
|
var ty = opt.ty || 0;
|
|
route = this.route = _.map(this.route, function(point) {
|
// translate point by point by delta translation
|
return g.point(point).offset(tx, ty);
|
});
|
|
// translate source and target connection and marker points.
|
this._translateConnectionPoints(tx, ty);
|
|
} else {
|
// Necessary path finding
|
route = this.route = this.findRoute(model.get('vertices') || [], opt);
|
// finds all the connection points taking new vertices into account
|
this._findConnectionPoints(route);
|
}
|
|
var pathData = this.getPathData(route);
|
|
// The markup needs to contain a `.connection`
|
this._V.connection.attr('d', pathData);
|
this._V.connectionWrap && this._V.connectionWrap.attr('d', pathData);
|
|
this._translateAndAutoOrientArrows(this._V.markerSource, this._V.markerTarget);
|
},
|
|
updateAttributes: function() {
|
|
// Update attributes.
|
_.each(this.model.get('attrs'), function(attrs, selector) {
|
|
var processedAttributes = [];
|
|
// If the `fill` or `stroke` attribute is an object, it is in the special JointJS gradient format and so
|
// it becomes a special attribute and is treated separately.
|
if (_.isObject(attrs.fill)) {
|
|
this.applyGradient(selector, 'fill', attrs.fill);
|
processedAttributes.push('fill');
|
}
|
|
if (_.isObject(attrs.stroke)) {
|
|
this.applyGradient(selector, 'stroke', attrs.stroke);
|
processedAttributes.push('stroke');
|
}
|
|
// If the `filter` attribute is an object, it is in the special JointJS filter format and so
|
// it becomes a special attribute and is treated separately.
|
if (_.isObject(attrs.filter)) {
|
|
this.applyFilter(selector, attrs.filter);
|
processedAttributes.push('filter');
|
}
|
|
// remove processed special attributes from attrs
|
if (processedAttributes.length > 0) {
|
|
processedAttributes.unshift(attrs);
|
attrs = _.omit.apply(_, processedAttributes);
|
}
|
|
this.findBySelector(selector).attr(attrs);
|
|
}, this);
|
},
|
|
_findConnectionPoints: function(vertices) {
|
|
// cache source and target points
|
var sourcePoint, targetPoint, sourceMarkerPoint, targetMarkerPoint;
|
|
var firstVertex = _.first(vertices);
|
|
sourcePoint = this.getConnectionPoint(
|
'source', this.model.get('source'), firstVertex || this.model.get('target')
|
).round();
|
|
var lastVertex = _.last(vertices);
|
|
targetPoint = this.getConnectionPoint(
|
'target', this.model.get('target'), lastVertex || sourcePoint
|
).round();
|
|
// Move the source point by the width of the marker taking into account
|
// its scale around x-axis. Note that scale is the only transform that
|
// makes sense to be set in `.marker-source` attributes object
|
// as all other transforms (translate/rotate) will be replaced
|
// by the `translateAndAutoOrient()` function.
|
var cache = this._markerCache;
|
|
if (this._V.markerSource) {
|
|
cache.sourceBBox = cache.sourceBBox || this._V.markerSource.bbox(true);
|
|
sourceMarkerPoint = g.point(sourcePoint).move(
|
firstVertex || targetPoint,
|
cache.sourceBBox.width * this._V.markerSource.scale().sx * -1
|
).round();
|
}
|
|
if (this._V.markerTarget) {
|
|
cache.targetBBox = cache.targetBBox || this._V.markerTarget.bbox(true);
|
|
targetMarkerPoint = g.point(targetPoint).move(
|
lastVertex || sourcePoint,
|
cache.targetBBox.width * this._V.markerTarget.scale().sx * -1
|
).round();
|
}
|
|
// if there was no markup for the marker, use the connection point.
|
cache.sourcePoint = sourceMarkerPoint || sourcePoint;
|
cache.targetPoint = targetMarkerPoint || targetPoint;
|
|
// make connection points public
|
this.sourcePoint = sourcePoint;
|
this.targetPoint = targetPoint;
|
},
|
|
_translateConnectionPoints: function(tx, ty) {
|
|
var cache = this._markerCache;
|
|
cache.sourcePoint.offset(tx, ty);
|
cache.targetPoint.offset(tx, ty);
|
this.sourcePoint.offset(tx, ty);
|
this.targetPoint.offset(tx, ty);
|
},
|
|
updateLabelPositions: function() {
|
|
if (!this._V.labels) return this;
|
|
// This method assumes all the label nodes are stored in the `this._labelCache` hash table
|
// by their indexes in the `this.get('labels')` array. This is done in the `renderLabels()` method.
|
|
var labels = this.model.get('labels') || [];
|
if (!labels.length) return this;
|
|
var connectionElement = this._V.connection.node;
|
var connectionLength = connectionElement.getTotalLength();
|
|
// Firefox returns connectionLength=NaN in odd cases (for bezier curves).
|
// In that case we won't update labels at all.
|
if (!_.isNaN(connectionLength)) {
|
|
var samples;
|
|
_.each(labels, function(label, idx) {
|
|
var position = label.position;
|
var distance = _.isObject(position) ? position.distance : position;
|
var offset = _.isObject(position) ? position.offset : { x: 0, y: 0 };
|
|
if (!_.isNaN(distance)) {
|
distance = (distance > connectionLength) ? connectionLength : distance; // sanity check
|
distance = (distance < 0) ? connectionLength + distance : distance;
|
distance = (distance > 1) ? distance : connectionLength * distance;
|
} else {
|
distance = connectionLength / 2;
|
}
|
|
var labelCoordinates = connectionElement.getPointAtLength(distance);
|
|
if (_.isObject(offset)) {
|
|
// Just offset the label by the x,y provided in the offset object.
|
labelCoordinates = g.point(labelCoordinates).offset(offset.x, offset.y);
|
|
} else if (_.isNumber(offset)) {
|
|
if (!samples) {
|
samples = this._samples || this._V.connection.sample(this.options.sampleInterval);
|
}
|
|
// Offset the label by the amount provided in `offset` to an either
|
// side of the link.
|
|
// 1. Find the closest sample & its left and right neighbours.
|
var minSqDistance = Infinity;
|
var closestSample;
|
var closestSampleIndex;
|
var p;
|
var sqDistance;
|
for (var i = 0, len = samples.length; i < len; i++) {
|
p = samples[i];
|
sqDistance = g.line(p, labelCoordinates).squaredLength();
|
if (sqDistance < minSqDistance) {
|
minSqDistance = sqDistance;
|
closestSample = p;
|
closestSampleIndex = i;
|
}
|
}
|
var prevSample = samples[closestSampleIndex - 1];
|
var nextSample = samples[closestSampleIndex + 1];
|
|
// 2. Offset the label on the perpendicular line between
|
// the current label coordinate ("at `distance`") and
|
// the next sample.
|
var angle = 0;
|
if (nextSample) {
|
angle = g.point(labelCoordinates).theta(nextSample);
|
} else if (prevSample) {
|
angle = g.point(prevSample).theta(labelCoordinates);
|
}
|
labelCoordinates = g.point(labelCoordinates).offset(offset).rotate(labelCoordinates, angle - 90);
|
}
|
|
this._labelCache[idx].attr('transform', 'translate(' + labelCoordinates.x + ', ' + labelCoordinates.y + ')');
|
|
}, this);
|
}
|
|
return this;
|
},
|
|
|
updateToolsPosition: function() {
|
|
if (!this._V.linkTools) return this;
|
|
// Move the tools a bit to the target position but don't cover the `sourceArrowhead` marker.
|
// Note that the offset is hardcoded here. The offset should be always
|
// more than the `this.$('.marker-arrowhead[end="source"]')[0].bbox().width` but looking
|
// this up all the time would be slow.
|
|
var scale = '';
|
var offset = this.options.linkToolsOffset;
|
var connectionLength = this.getConnectionLength();
|
|
// Firefox returns connectionLength=NaN in odd cases (for bezier curves).
|
// In that case we won't update tools position at all.
|
if (!_.isNaN(connectionLength)) {
|
|
// If the link is too short, make the tools half the size and the offset twice as low.
|
if (connectionLength < this.options.shortLinkLength) {
|
scale = 'scale(.5)';
|
offset /= 2;
|
}
|
|
var toolPosition = this.getPointAtLength(offset);
|
|
this._toolCache.attr('transform', 'translate(' + toolPosition.x + ', ' + toolPosition.y + ') ' + scale);
|
|
if (this.options.doubleLinkTools && connectionLength >= this.options.longLinkLength) {
|
|
var doubleLinkToolsOffset = this.options.doubleLinkToolsOffset || offset;
|
|
toolPosition = this.getPointAtLength(connectionLength - doubleLinkToolsOffset);
|
this._tool2Cache.attr('transform', 'translate(' + toolPosition.x + ', ' + toolPosition.y + ') ' + scale);
|
this._tool2Cache.attr('visibility', 'visible');
|
|
} else if (this.options.doubleLinkTools) {
|
|
this._tool2Cache.attr('visibility', 'hidden');
|
}
|
}
|
|
return this;
|
},
|
|
|
updateArrowheadMarkers: function() {
|
|
if (!this._V.markerArrowheads) return this;
|
|
// getting bbox of an element with `display="none"` in IE9 ends up with access violation
|
if ($.css(this._V.markerArrowheads.node, 'display') === 'none') return this;
|
|
var sx = this.getConnectionLength() < this.options.shortLinkLength ? .5 : 1;
|
this._V.sourceArrowhead.scale(sx);
|
this._V.targetArrowhead.scale(sx);
|
|
this._translateAndAutoOrientArrows(this._V.sourceArrowhead, this._V.targetArrowhead);
|
|
return this;
|
},
|
|
// Returns a function observing changes on an end of the link. If a change happens and new end is a new model,
|
// it stops listening on the previous one and starts listening to the new one.
|
createWatcher: function(endType) {
|
|
// create handler for specific end type (source|target).
|
var onModelChange = _.partial(this.onEndModelChange, endType);
|
|
function watchEndModel(link, end) {
|
|
end = end || {};
|
|
var endModel = null;
|
var previousEnd = link.previous(endType) || {};
|
|
if (previousEnd.id) {
|
this.stopListening(this.paper.getModelById(previousEnd.id), 'change', onModelChange);
|
}
|
|
if (end.id) {
|
// If the observed model changes, it caches a new bbox and do the link update.
|
endModel = this.paper.getModelById(end.id);
|
this.listenTo(endModel, 'change', onModelChange);
|
}
|
|
onModelChange.call(this, endModel, { cacheOnly: true });
|
|
return this;
|
}
|
|
return watchEndModel;
|
},
|
|
onEndModelChange: function(endType, endModel, opt) {
|
|
var doUpdate = !opt.cacheOnly;
|
var model = this.model;
|
var end = model.get(endType) || {};
|
|
if (endModel) {
|
|
var selector = this.constructor.makeSelector(end);
|
var oppositeEndType = endType == 'source' ? 'target' : 'source';
|
var oppositeEnd = model.get(oppositeEndType) || {};
|
var oppositeSelector = oppositeEnd.id && this.constructor.makeSelector(oppositeEnd);
|
|
// Caching end models bounding boxes.
|
// If `opt.handleBy` equals the client-side ID of this link view and it is a loop link, then we already cached
|
// the bounding boxes in the previous turn (e.g. for loop link, the change:source event is followed
|
// by change:target and so on change:source, we already chached the bounding boxes of - the same - element).
|
if (opt.handleBy === this.cid && selector == oppositeSelector) {
|
|
// Source and target elements are identical. We're dealing with a loop link. We are handling `change` event for the
|
// second time now. There is no need to calculate bbox and find magnet element again.
|
// It was calculated already for opposite link end.
|
this[endType + 'BBox'] = this[oppositeEndType + 'BBox'];
|
this[endType + 'View'] = this[oppositeEndType + 'View'];
|
this[endType + 'Magnet'] = this[oppositeEndType + 'Magnet'];
|
|
} else if (opt.translateBy) {
|
// `opt.translateBy` optimizes the way we calculate bounding box of the source/target element.
|
// If `opt.translateBy` is an ID of the element that was originally translated. This allows us
|
// to just offset the cached bounding box by the translation instead of calculating the bounding
|
// box from scratch on every translate.
|
|
var bbox = this[endType + 'BBox'];
|
bbox.x += opt.tx;
|
bbox.y += opt.ty;
|
|
} else {
|
// The slowest path, source/target could have been rotated or resized or any attribute
|
// that affects the bounding box of the view might have been changed.
|
|
var view = this.paper.findViewByModel(end.id);
|
var magnetElement = view.el.querySelector(selector);
|
|
this[endType + 'BBox'] = view.getStrokeBBox(magnetElement);
|
this[endType + 'View'] = view;
|
this[endType + 'Magnet'] = magnetElement;
|
}
|
|
if (opt.handleBy === this.cid && opt.translateBy &&
|
model.isEmbeddedIn(endModel) &&
|
!_.isEmpty(model.get('vertices'))) {
|
// Loop link whose element was translated and that has vertices (that need to be translated with
|
// the parent in which my element is embedded).
|
// If the link is embedded, has a loop and vertices and the end model
|
// has been translated, do not update yet. There are vertices still to be updated (change:vertices
|
// event will come in the next turn).
|
doUpdate = false;
|
}
|
|
if (!this.updatePostponed && oppositeEnd.id) {
|
// The update was not postponed (that can happen e.g. on the first change event) and the opposite
|
// end is a model (opposite end is the opposite end of the link we're just updating, e.g. if
|
// we're reacting on change:source event, the oppositeEnd is the target model).
|
|
var oppositeEndModel = this.paper.getModelById(oppositeEnd.id);
|
|
// Passing `handleBy` flag via event option.
|
// Note that if we are listening to the same model for event 'change' twice.
|
// The same event will be handled by this method also twice.
|
if (end.id === oppositeEnd.id) {
|
// We're dealing with a loop link. Tell the handlers in the next turn that they should update
|
// the link instead of me. (We know for sure there will be a next turn because
|
// loop links react on at least two events: change on the source model followed by a change on
|
// the target model).
|
opt.handleBy = this.cid;
|
}
|
|
if (opt.handleBy === this.cid || (opt.translateBy && oppositeEndModel.isEmbeddedIn(opt.translateBy))) {
|
|
// Here are two options:
|
// - Source and target are connected to the same model (not necessarily the same port).
|
// - Both end models are translated by the same ancestor. We know that opposite end
|
// model will be translated in the next turn as well.
|
// In both situations there will be more changes on the model that trigger an
|
// update. So there is no need to update the linkView yet.
|
this.updatePostponed = true;
|
doUpdate = false;
|
}
|
}
|
|
} else {
|
|
// the link end is a point ~ rect 1x1
|
this[endType + 'BBox'] = g.rect(end.x || 0, end.y || 0, 1, 1);
|
this[endType + 'View'] = this[endType + 'Magnet'] = null;
|
}
|
|
if (doUpdate) {
|
opt.updateConnectionOnly = true;
|
this.update(model, null, opt);
|
}
|
},
|
|
_translateAndAutoOrientArrows: function(sourceArrow, targetArrow) {
|
|
// Make the markers "point" to their sticky points being auto-oriented towards
|
// `targetPosition`/`sourcePosition`. And do so only if there is a markup for them.
|
if (sourceArrow) {
|
sourceArrow.translateAndAutoOrient(
|
this.sourcePoint,
|
_.first(this.route) || this.targetPoint,
|
this.paper.viewport
|
);
|
}
|
|
if (targetArrow) {
|
targetArrow.translateAndAutoOrient(
|
this.targetPoint,
|
_.last(this.route) || this.sourcePoint,
|
this.paper.viewport
|
);
|
}
|
},
|
|
removeVertex: function(idx) {
|
|
var vertices = _.clone(this.model.get('vertices'));
|
|
if (vertices && vertices.length) {
|
|
vertices.splice(idx, 1);
|
this.model.set('vertices', vertices, { ui: true });
|
}
|
|
return this;
|
},
|
|
// This method ads a new vertex to the `vertices` array of `.connection`. This method
|
// uses a heuristic to find the index at which the new `vertex` should be placed at assuming
|
// the new vertex is somewhere on the path.
|
addVertex: function(vertex) {
|
|
// As it is very hard to find a correct index of the newly created vertex,
|
// a little heuristics is taking place here.
|
// The heuristics checks if length of the newly created
|
// path is lot more than length of the old path. If this is the case,
|
// new vertex was probably put into a wrong index.
|
// Try to put it into another index and repeat the heuristics again.
|
|
var vertices = (this.model.get('vertices') || []).slice();
|
// Store the original vertices for a later revert if needed.
|
var originalVertices = vertices.slice();
|
|
// A `<path>` element used to compute the length of the path during heuristics.
|
var path = this._V.connection.node.cloneNode(false);
|
|
// Length of the original path.
|
var originalPathLength = path.getTotalLength();
|
// Current path length.
|
var pathLength;
|
// Tolerance determines the highest possible difference between the length
|
// of the old and new path. The number has been chosen heuristically.
|
var pathLengthTolerance = 20;
|
// Total number of vertices including source and target points.
|
var idx = vertices.length + 1;
|
|
// Loop through all possible indexes and check if the difference between
|
// path lengths changes significantly. If not, the found index is
|
// most probably the right one.
|
while (idx--) {
|
|
vertices.splice(idx, 0, vertex);
|
V(path).attr('d', this.getPathData(this.findRoute(vertices)));
|
|
pathLength = path.getTotalLength();
|
|
// Check if the path lengths changed significantly.
|
if (pathLength - originalPathLength > pathLengthTolerance) {
|
|
// Revert vertices to the original array. The path length has changed too much
|
// so that the index was not found yet.
|
vertices = originalVertices.slice();
|
|
} else {
|
|
break;
|
}
|
}
|
|
if (idx === -1) {
|
// If no suitable index was found for such a vertex, make the vertex the first one.
|
idx = 0;
|
vertices.splice(idx, 0, vertex);
|
}
|
|
this.model.set('vertices', vertices, { ui: true });
|
|
return idx;
|
},
|
|
// Send a token (an SVG element, usually a circle) along the connection path.
|
// Example: `paper.findViewByModel(link).sendToken(V('circle', { r: 7, fill: 'green' }).node)`
|
// `duration` is optional and is a time in milliseconds that the token travels from the source to the target of the link. Default is `1000`.
|
// `callback` is optional and is a function to be called once the token reaches the target.
|
sendToken: function(token, duration, callback) {
|
|
duration = duration || 1000;
|
|
V(this.paper.viewport).append(token);
|
V(token).animateAlongPath({ dur: duration + 'ms', repeatCount: 1 }, this._V.connection.node);
|
_.delay(function() { V(token).remove(); callback && callback(); }, duration);
|
},
|
|
findRoute: function(oldVertices) {
|
|
var namespace = joint.routers;
|
var router = this.model.get('router');
|
var defaultRouter = this.paper.options.defaultRouter;
|
|
if (!router) {
|
|
if (this.model.get('manhattan')) {
|
// backwards compability
|
router = { name: 'orthogonal' };
|
} else if (defaultRouter) {
|
router = defaultRouter;
|
} else {
|
return oldVertices;
|
}
|
}
|
|
var args = router.args || {};
|
var routerFn = _.isFunction(router) ? router : namespace[router.name];
|
|
if (!_.isFunction(routerFn)) {
|
throw new Error('unknown router: "' + router.name + '"');
|
}
|
|
var newVertices = routerFn.call(this, oldVertices || [], args, this);
|
|
return newVertices;
|
},
|
|
// Return the `d` attribute value of the `<path>` element representing the link
|
// between `source` and `target`.
|
getPathData: function(vertices) {
|
|
var namespace = joint.connectors;
|
var connector = this.model.get('connector');
|
var defaultConnector = this.paper.options.defaultConnector;
|
|
if (!connector) {
|
|
// backwards compability
|
if (this.model.get('smooth')) {
|
connector = { name: 'smooth' };
|
} else {
|
connector = defaultConnector || {};
|
}
|
}
|
|
var connectorFn = _.isFunction(connector) ? connector : namespace[connector.name];
|
var args = connector.args || {};
|
|
if (!_.isFunction(connectorFn)) {
|
throw new Error('unknown connector: "' + connector.name + '"');
|
}
|
|
var pathData = connectorFn.call(
|
this,
|
this._markerCache.sourcePoint, // Note that the value is translated by the size
|
this._markerCache.targetPoint, // of the marker. (We'r not using this.sourcePoint)
|
vertices || (this.model.get('vertices') || {}),
|
args, // options
|
this
|
);
|
|
return pathData;
|
},
|
|
// Find a point that is the start of the connection.
|
// If `selectorOrPoint` is a point, then we're done and that point is the start of the connection.
|
// If the `selectorOrPoint` is an element however, we need to know a reference point (or element)
|
// that the link leads to in order to determine the start of the connection on the original element.
|
getConnectionPoint: function(end, selectorOrPoint, referenceSelectorOrPoint) {
|
|
var spot;
|
|
// If the `selectorOrPoint` (or `referenceSelectorOrPoint`) is `undefined`, the `source`/`target` of the link model is `undefined`.
|
// We want to allow this however so that one can create links such as `var link = new joint.dia.Link` and
|
// set the `source`/`target` later.
|
_.isEmpty(selectorOrPoint) && (selectorOrPoint = { x: 0, y: 0 });
|
_.isEmpty(referenceSelectorOrPoint) && (referenceSelectorOrPoint = { x: 0, y: 0 });
|
|
if (!selectorOrPoint.id) {
|
|
// If the source is a point, we don't need a reference point to find the sticky point of connection.
|
spot = g.point(selectorOrPoint);
|
|
} else {
|
|
// If the source is an element, we need to find a point on the element boundary that is closest
|
// to the reference point (or reference element).
|
// Get the bounding box of the spot relative to the paper viewport. This is necessary
|
// in order to follow paper viewport transformations (scale/rotate).
|
// `_sourceBbox` (`_targetBbox`) comes from `_sourceBboxUpdate` (`_sourceBboxUpdate`)
|
// method, it exists since first render and are automatically updated
|
var spotBbox = end === 'source' ? this.sourceBBox : this.targetBBox;
|
|
var reference;
|
|
if (!referenceSelectorOrPoint.id) {
|
|
// Reference was passed as a point, therefore, we're ready to find the sticky point of connection on the source element.
|
reference = g.point(referenceSelectorOrPoint);
|
|
} else {
|
|
// Reference was passed as an element, therefore we need to find a point on the reference
|
// element boundary closest to the source element.
|
// Get the bounding box of the spot relative to the paper viewport. This is necessary
|
// in order to follow paper viewport transformations (scale/rotate).
|
var referenceBbox = end === 'source' ? this.targetBBox : this.sourceBBox;
|
|
reference = g.rect(referenceBbox).intersectionWithLineFromCenterToPoint(g.rect(spotBbox).center());
|
reference = reference || g.rect(referenceBbox).center();
|
}
|
|
// If `perpendicularLinks` flag is set on the paper and there are vertices
|
// on the link, then try to find a connection point that makes the link perpendicular
|
// even though the link won't point to the center of the targeted object.
|
if (this.paper.options.perpendicularLinks || this.options.perpendicular) {
|
|
var horizontalLineRect = g.rect(0, reference.y, this.paper.options.width, 1);
|
var verticalLineRect = g.rect(reference.x, 0, 1, this.paper.options.height);
|
var nearestSide;
|
|
if (horizontalLineRect.intersect(g.rect(spotBbox))) {
|
|
nearestSide = g.rect(spotBbox).sideNearestToPoint(reference);
|
switch (nearestSide) {
|
case 'left':
|
spot = g.point(spotBbox.x, reference.y);
|
break;
|
case 'right':
|
spot = g.point(spotBbox.x + spotBbox.width, reference.y);
|
break;
|
default:
|
spot = g.rect(spotBbox).center();
|
break;
|
}
|
|
} else if (verticalLineRect.intersect(g.rect(spotBbox))) {
|
|
nearestSide = g.rect(spotBbox).sideNearestToPoint(reference);
|
switch (nearestSide) {
|
case 'top':
|
spot = g.point(reference.x, spotBbox.y);
|
break;
|
case 'bottom':
|
spot = g.point(reference.x, spotBbox.y + spotBbox.height);
|
break;
|
default:
|
spot = g.rect(spotBbox).center();
|
break;
|
}
|
|
} else {
|
|
// If there is no intersection horizontally or vertically with the object bounding box,
|
// then we fall back to the regular situation finding straight line (not perpendicular)
|
// between the object and the reference point.
|
|
spot = g.rect(spotBbox).intersectionWithLineFromCenterToPoint(reference);
|
spot = spot || g.rect(spotBbox).center();
|
}
|
|
} else if (this.paper.options.linkConnectionPoint) {
|
|
var view = end === 'target' ? this.targetView : this.sourceView;
|
var magnet = end === 'target' ? this.targetMagnet : this.sourceMagnet;
|
|
spot = this.paper.options.linkConnectionPoint(this, view, magnet, reference);
|
|
} else {
|
|
spot = g.rect(spotBbox).intersectionWithLineFromCenterToPoint(reference);
|
spot = spot || g.rect(spotBbox).center();
|
}
|
}
|
|
return spot;
|
},
|
|
// Public API
|
// ----------
|
|
getConnectionLength: function() {
|
|
return this._V.connection.node.getTotalLength();
|
},
|
|
getPointAtLength: function(length) {
|
|
return this._V.connection.node.getPointAtLength(length);
|
},
|
|
// Interaction. The controller part.
|
// ---------------------------------
|
|
_beforeArrowheadMove: function() {
|
|
this._z = this.model.get('z');
|
this.model.toFront();
|
|
// Let the pointer propagate throught the link view elements so that
|
// the `evt.target` is another element under the pointer, not the link itself.
|
this.el.style.pointerEvents = 'none';
|
|
if (this.paper.options.markAvailable) {
|
this._markAvailableMagnets();
|
}
|
},
|
|
_afterArrowheadMove: function() {
|
|
if (!_.isNull(this._z)) {
|
this.model.set('z', this._z, { ui: true });
|
this._z = null;
|
}
|
|
// Put `pointer-events` back to its original value. See `startArrowheadMove()` for explanation.
|
// Value `auto` doesn't work in IE9. We force to use `visiblePainted` instead.
|
// See `https://developer.mozilla.org/en-US/docs/Web/CSS/pointer-events`.
|
this.el.style.pointerEvents = 'visiblePainted';
|
|
if (this.paper.options.markAvailable) {
|
this._unmarkAvailableMagnets();
|
}
|
},
|
|
_createValidateConnectionArgs: function(arrowhead) {
|
// It makes sure the arguments for validateConnection have the following form:
|
// (source view, source magnet, target view, target magnet and link view)
|
var args = [];
|
|
args[4] = arrowhead;
|
args[5] = this;
|
|
var oppositeArrowhead;
|
var i = 0;
|
var j = 0;
|
|
if (arrowhead === 'source') {
|
i = 2;
|
oppositeArrowhead = 'target';
|
} else {
|
j = 2;
|
oppositeArrowhead = 'source';
|
}
|
|
var end = this.model.get(oppositeArrowhead);
|
|
if (end.id) {
|
args[i] = this.paper.findViewByModel(end.id);
|
args[i + 1] = end.selector && args[i].el.querySelector(end.selector);
|
}
|
|
function validateConnectionArgs(cellView, magnet) {
|
args[j] = cellView;
|
args[j + 1] = cellView.el === magnet ? undefined : magnet;
|
return args;
|
}
|
|
return validateConnectionArgs;
|
},
|
|
_markAvailableMagnets: function() {
|
|
function isMagnetAvailable(view, magnet) {
|
var paper = view.paper;
|
var validate = paper.options.validateConnection;
|
return validate.apply(paper, this._validateConnectionArgs(view, magnet));
|
}
|
|
var paper = this.paper;
|
var elements = paper.model.getElements();
|
this._marked = {};
|
|
_.chain(elements).map(paper.findViewByModel, paper).each(function(view) {
|
|
var magnets = Array.prototype.slice.call(view.el.querySelectorAll('[magnet]'));
|
if (view.el.getAttribute('magnet') !== 'false') {
|
// Element wrapping group is also a magnet
|
magnets.push(view.el);
|
}
|
|
var availableMagnets = _.filter(magnets, _.partial(isMagnetAvailable, view), this);
|
if (availableMagnets.length > 0) {
|
// highlight all available magnets
|
_.each(availableMagnets, _.partial(view.highlight, _, { magnetAvailability: true }), view);
|
// highlight the entire view
|
view.highlight(null, { elementAvailability: true });
|
|
this._marked[view.model.id] = availableMagnets;
|
}
|
|
}, this).value();
|
},
|
|
_unmarkAvailableMagnets: function() {
|
|
_.each(this._marked, function(markedMagnets, id) {
|
var view = this.paper.findViewByModel(id);
|
if (view) {
|
_.each(markedMagnets, _.partial(view.unhighlight, _, { magnetAvailability: true }), view);
|
view.unhighlight(null, { elementAvailability: true });
|
}
|
}, this);
|
|
this._marked = null;
|
},
|
|
startArrowheadMove: function(end, opt) {
|
opt = _.defaults(opt || {}, { whenNotAllowed: 'revert' });
|
// Allow to delegate events from an another view to this linkView in order to trigger arrowhead
|
// move without need to click on the actual arrowhead dom element.
|
this._action = 'arrowhead-move';
|
this._whenNotAllowed = opt.whenNotAllowed;
|
this._arrowhead = end;
|
this._initialEnd = _.clone(this.model.get(end)) || { x: 0, y: 0 };
|
this._validateConnectionArgs = this._createValidateConnectionArgs(this._arrowhead);
|
this._beforeArrowheadMove();
|
},
|
|
pointerdown: function(evt, x, y) {
|
|
joint.dia.CellView.prototype.pointerdown.apply(this, arguments);
|
this.notify('link:pointerdown', evt, x, y);
|
|
this._dx = x;
|
this._dy = y;
|
|
// if are simulating pointerdown on a link during a magnet click, skip link interactions
|
if (evt.target.getAttribute('magnet') != null) return;
|
|
var className = evt.target.getAttribute('class');
|
var parentClassName = evt.target.parentNode.getAttribute('class');
|
var labelNode;
|
if (parentClassName === 'label') {
|
className = parentClassName;
|
labelNode = evt.target.parentNode;
|
} else {
|
labelNode = evt.target;
|
}
|
|
switch (className) {
|
|
case 'marker-vertex':
|
if (this.can('vertexMove')) {
|
this._action = 'vertex-move';
|
this._vertexIdx = evt.target.getAttribute('idx');
|
}
|
break;
|
|
case 'marker-vertex-remove':
|
case 'marker-vertex-remove-area':
|
if (this.can('vertexRemove')) {
|
this.removeVertex(evt.target.getAttribute('idx'));
|
}
|
break;
|
|
case 'marker-arrowhead':
|
if (this.can('arrowheadMove')) {
|
this.startArrowheadMove(evt.target.getAttribute('end'));
|
}
|
break;
|
|
case 'label':
|
if (this.can('labelMove')) {
|
this._action = 'label-move';
|
this._labelIdx = parseInt(V(labelNode).attr('label-idx'), 10);
|
// Precalculate samples so that we don't have to do that
|
// over and over again while dragging the label.
|
this._samples = this._V.connection.sample(1);
|
this._linkLength = this._V.connection.node.getTotalLength();
|
}
|
break;
|
|
default:
|
|
var targetParentEvent = evt.target.parentNode.getAttribute('event');
|
if (targetParentEvent) {
|
if (this.can('useLinkTools')) {
|
// `remove` event is built-in. Other custom events are triggered on the paper.
|
if (targetParentEvent === 'remove') {
|
this.model.remove();
|
} else {
|
this.notify(targetParentEvent, evt, x, y);
|
}
|
}
|
} else {
|
if (this.can('vertexAdd')) {
|
|
// Store the index at which the new vertex has just been placed.
|
// We'll be update the very same vertex position in `pointermove()`.
|
this._vertexIdx = this.addVertex({ x: x, y: y });
|
this._action = 'vertex-move';
|
}
|
}
|
}
|
},
|
|
pointermove: function(evt, x, y) {
|
|
switch (this._action) {
|
|
case 'vertex-move':
|
|
var vertices = _.clone(this.model.get('vertices'));
|
vertices[this._vertexIdx] = { x: x, y: y };
|
this.model.set('vertices', vertices, { ui: true });
|
break;
|
|
case 'label-move':
|
|
var dragPoint = { x: x, y: y };
|
var label = this.model.get('labels')[this._labelIdx];
|
var samples = this._samples;
|
var minSqDistance = Infinity;
|
var closestSample;
|
var closestSampleIndex;
|
var p;
|
var sqDistance;
|
for (var i = 0, len = samples.length; i < len; i++) {
|
p = samples[i];
|
sqDistance = g.line(p, dragPoint).squaredLength();
|
if (sqDistance < minSqDistance) {
|
minSqDistance = sqDistance;
|
closestSample = p;
|
closestSampleIndex = i;
|
}
|
}
|
var prevSample = samples[closestSampleIndex - 1];
|
var nextSample = samples[closestSampleIndex + 1];
|
|
var closestSampleDistance = g.point(closestSample).distance(dragPoint);
|
var offset = 0;
|
if (prevSample && nextSample) {
|
offset = g.line(prevSample, nextSample).pointOffset(dragPoint);
|
} else if (prevSample) {
|
offset = g.line(prevSample, closestSample).pointOffset(dragPoint);
|
} else if (nextSample) {
|
offset = g.line(closestSample, nextSample).pointOffset(dragPoint);
|
}
|
|
this.model.label(this._labelIdx, {
|
position: {
|
distance: closestSample.distance / this._linkLength,
|
offset: offset
|
}
|
});
|
break;
|
|
case 'arrowhead-move':
|
|
if (this.paper.options.snapLinks) {
|
|
// checking view in close area of the pointer
|
|
var r = this.paper.options.snapLinks.radius || 50;
|
var viewsInArea = this.paper.findViewsInArea({ x: x - r, y: y - r, width: 2 * r, height: 2 * r });
|
|
if (this._closestView) {
|
this._closestView.unhighlight(this._closestEnd.selector, {
|
connecting: true,
|
snapping: true
|
});
|
}
|
this._closestView = this._closestEnd = null;
|
|
var distance;
|
var minDistance = Number.MAX_VALUE;
|
var pointer = g.point(x, y);
|
|
_.each(viewsInArea, function(view) {
|
|
// skip connecting to the element in case '.': { magnet: false } attribute present
|
if (view.el.getAttribute('magnet') !== 'false') {
|
|
// find distance from the center of the model to pointer coordinates
|
distance = view.model.getBBox().center().distance(pointer);
|
|
// the connection is looked up in a circle area by `distance < r`
|
if (distance < r && distance < minDistance) {
|
|
if (this.paper.options.validateConnection.apply(
|
this.paper, this._validateConnectionArgs(view, null)
|
)) {
|
minDistance = distance;
|
this._closestView = view;
|
this._closestEnd = { id: view.model.id };
|
}
|
}
|
}
|
|
view.$('[magnet]').each(_.bind(function(index, magnet) {
|
|
var bbox = V(magnet).bbox(false, this.paper.viewport);
|
|
distance = pointer.distance({
|
x: bbox.x + bbox.width / 2,
|
y: bbox.y + bbox.height / 2
|
});
|
|
if (distance < r && distance < minDistance) {
|
|
if (this.paper.options.validateConnection.apply(
|
this.paper, this._validateConnectionArgs(view, magnet)
|
)) {
|
minDistance = distance;
|
this._closestView = view;
|
this._closestEnd = {
|
id: view.model.id,
|
selector: view.getSelector(magnet),
|
port: magnet.getAttribute('port')
|
};
|
}
|
}
|
|
}, this));
|
|
}, this);
|
|
if (this._closestView) {
|
this._closestView.highlight(this._closestEnd.selector, {
|
connecting: true,
|
snapping: true
|
});
|
}
|
|
this.model.set(this._arrowhead, this._closestEnd || { x: x, y: y }, { ui: true });
|
|
} else {
|
|
// checking views right under the pointer
|
|
// Touchmove event's target is not reflecting the element under the coordinates as mousemove does.
|
// It holds the element when a touchstart triggered.
|
var target = (evt.type === 'mousemove')
|
? evt.target
|
: document.elementFromPoint(evt.clientX, evt.clientY);
|
|
if (this._targetEvent !== target) {
|
// Unhighlight the previous view under pointer if there was one.
|
if (this._magnetUnderPointer) {
|
this._viewUnderPointer.unhighlight(this._magnetUnderPointer, {
|
connecting: true
|
});
|
}
|
|
this._viewUnderPointer = this.paper.findView(target);
|
if (this._viewUnderPointer) {
|
// If we found a view that is under the pointer, we need to find the closest
|
// magnet based on the real target element of the event.
|
this._magnetUnderPointer = this._viewUnderPointer.findMagnet(target);
|
|
if (this._magnetUnderPointer && this.paper.options.validateConnection.apply(
|
this.paper,
|
this._validateConnectionArgs(this._viewUnderPointer, this._magnetUnderPointer)
|
)) {
|
// If there was no magnet found, do not highlight anything and assume there
|
// is no view under pointer we're interested in reconnecting to.
|
// This can only happen if the overall element has the attribute `'.': { magnet: false }`.
|
if (this._magnetUnderPointer) {
|
this._viewUnderPointer.highlight(this._magnetUnderPointer, {
|
connecting: true
|
});
|
}
|
} else {
|
// This type of connection is not valid. Disregard this magnet.
|
this._magnetUnderPointer = null;
|
}
|
} else {
|
// Make sure we'll unset previous magnet.
|
this._magnetUnderPointer = null;
|
}
|
}
|
|
this._targetEvent = target;
|
|
this.model.set(this._arrowhead, { x: x, y: y }, { ui: true });
|
}
|
|
break;
|
}
|
|
this._dx = x;
|
this._dy = y;
|
|
joint.dia.CellView.prototype.pointermove.apply(this, arguments);
|
this.notify('link:pointermove', evt, x, y);
|
},
|
|
pointerup: function(evt, x, y) {
|
|
if (this._action === 'label-move') {
|
|
this._samples = null;
|
|
} else if (this._action === 'arrowhead-move') {
|
|
var paperOptions = this.paper.options;
|
var arrowhead = this._arrowhead;
|
|
if (paperOptions.snapLinks) {
|
|
// Finish off link snapping.
|
// Everything except view unhighlighting was already done on pointermove.
|
if (this._closestView) {
|
this._closestView.unhighlight(this._closestEnd.selector, {
|
connecting: true,
|
snapping: true
|
});
|
}
|
this._closestView = this._closestEnd = null;
|
|
} else {
|
|
var viewUnderPointer = this._viewUnderPointer;
|
var magnetUnderPointer = this._magnetUnderPointer;
|
|
this._viewUnderPointer = null;
|
this._magnetUnderPointer = null;
|
|
if (magnetUnderPointer) {
|
|
viewUnderPointer.unhighlight(magnetUnderPointer, { connecting: true });
|
// Find a unique `selector` of the element under pointer that is a magnet. If the
|
// `this._magnetUnderPointer` is the root element of the `this._viewUnderPointer` itself,
|
// the returned `selector` will be `undefined`. That means we can directly pass it to the
|
// `source`/`target` attribute of the link model below.
|
var selector = viewUnderPointer.getSelector(magnetUnderPointer);
|
var port = magnetUnderPointer.getAttribute('port');
|
var arrowheadValue = { id: viewUnderPointer.model.id };
|
if (selector != null) arrowheadValue.port = port;
|
if (port != null) arrowheadValue.selector = selector;
|
this.model.set(arrowhead, arrowheadValue, { ui: true });
|
}
|
}
|
|
// If the changed link is not allowed, revert to its previous state.
|
if (!this.paper.linkAllowed(this)) {
|
|
switch (this._whenNotAllowed) {
|
|
case 'remove':
|
this.model.remove();
|
break;
|
|
case 'revert':
|
default:
|
this.model.set(arrowhead, this._initialEnd, { ui: true });
|
break;
|
}
|
}
|
|
// Reparent the link if embedding is enabled
|
if (paperOptions.embeddingMode && this.model.reparent()) {
|
// Make sure we don't reverse to the original 'z' index (see afterArrowheadMove()).
|
this._z = null;
|
}
|
|
this._afterArrowheadMove();
|
}
|
|
this._action = null;
|
this._whenNotAllowed = null;
|
|
this.notify('link:pointerup', evt, x, y);
|
joint.dia.CellView.prototype.pointerup.apply(this, arguments);
|
}
|
|
}, {
|
|
makeSelector: function(end) {
|
|
var selector = '[model-id="' + end.id + '"]';
|
// `port` has a higher precendence over `selector`. This is because the selector to the magnet
|
// might change while the name of the port can stay the same.
|
if (end.port) {
|
selector += ' [port="' + end.port + '"]';
|
} else if (end.selector) {
|
selector += ' ' + end.selector;
|
}
|
|
return selector;
|
}
|
|
});
|
|
// JointJS library.
|
// (c) 2011-2015 client IO
|
|
|
joint.dia.Paper = joint.mvc.View.extend({
|
|
className: 'paper',
|
|
options: {
|
|
width: 800,
|
height: 600,
|
origin: { x: 0, y: 0 }, // x,y coordinates in top-left corner
|
gridSize: 1,
|
|
/*
|
Whether or not to draw the grid lines on the paper's DOM element.
|
e.g drawGrid: true, drawGrid: { color: 'red', thickness: 2 }
|
*/
|
drawGrid: false,
|
|
perpendicularLinks: false,
|
elementView: joint.dia.ElementView,
|
linkView: joint.dia.LinkView,
|
snapLinks: false, // false, true, { radius: value }
|
|
// When set to FALSE, an element may not have more than 1 link with the same source and target element.
|
multiLinks: true,
|
|
// For adding custom guard logic.
|
guard: function(evt, view) {
|
|
// FALSE means the event isn't guarded.
|
return false;
|
},
|
|
highlighting: {
|
'default': {
|
name: 'stroke',
|
options: {
|
padding: 3
|
}
|
},
|
magnetAvailability: {
|
name: 'addClass',
|
options: {
|
className: 'available-magnet'
|
}
|
},
|
elementAvailability: {
|
name: 'addClass',
|
options: {
|
className: 'available-cell'
|
}
|
}
|
},
|
|
// Prevent the default context menu from being displayed.
|
preventContextMenu: true,
|
|
// Restrict the translation of elements by given bounding box.
|
// Option accepts a boolean:
|
// true - the translation is restricted to the paper area
|
// false - no restrictions
|
// A method:
|
// restrictTranslate: function(elementView) {
|
// var parentId = elementView.model.get('parent');
|
// return parentId && this.model.getCell(parentId).getBBox();
|
// },
|
// Or a bounding box:
|
// restrictTranslate: { x: 10, y: 10, width: 790, height: 590 }
|
restrictTranslate: false,
|
// Marks all available magnets with 'available-magnet' class name and all available cells with
|
// 'available-cell' class name. Marks them when dragging a link is started and unmark
|
// when the dragging is stopped.
|
markAvailable: false,
|
|
// Defines what link model is added to the graph after an user clicks on an active magnet.
|
// Value could be the Backbone.model or a function returning the Backbone.model
|
// defaultLink: function(elementView, magnet) { return condition ? new customLink1() : new customLink2() }
|
defaultLink: new joint.dia.Link,
|
|
// A connector that is used by links with no connector defined on the model.
|
// e.g. { name: 'rounded', args: { radius: 5 }} or a function
|
defaultConnector: { name: 'normal' },
|
|
// A router that is used by links with no router defined on the model.
|
// e.g. { name: 'oneSide', args: { padding: 10 }} or a function
|
defaultRouter: { name: 'normal' },
|
|
/* CONNECTING */
|
|
// Check whether to add a new link to the graph when user clicks on an a magnet.
|
validateMagnet: function(cellView, magnet) {
|
return magnet.getAttribute('magnet') !== 'passive';
|
},
|
|
// Check whether to allow or disallow the link connection while an arrowhead end (source/target)
|
// being changed.
|
validateConnection: function(cellViewS, magnetS, cellViewT, magnetT, end, linkView) {
|
return (end === 'target' ? cellViewT : cellViewS) instanceof joint.dia.ElementView;
|
},
|
|
/* EMBEDDING */
|
|
// Enables embedding. Reparents the dragged element with elements under it and makes sure that
|
// all links and elements are visible taken the level of embedding into account.
|
embeddingMode: false,
|
|
// Check whether to allow or disallow the element embedding while an element being translated.
|
validateEmbedding: function(childView, parentView) {
|
// by default all elements can be in relation child-parent
|
return true;
|
},
|
|
// Determines the way how a cell finds a suitable parent when it's dragged over the paper.
|
// The cell with the highest z-index (visually on the top) will be choosen.
|
findParentBy: 'bbox', // 'bbox'|'center'|'origin'|'corner'|'topRight'|'bottomLeft'
|
|
// If enabled only the element on the very front is taken into account for the embedding.
|
// If disabled the elements under the dragged view are tested one by one
|
// (from front to back) until a valid parent found.
|
frontParentOnly: true,
|
|
// Interactive flags. See online docs for the complete list of interactive flags.
|
interactive: {
|
labelMove: false
|
},
|
|
// When set to true the links can be pinned to the paper.
|
// i.e. link source/target can be a point e.g. link.get('source') ==> { x: 100, y: 100 };
|
linkPinning: true,
|
|
// Allowed number of mousemove events after which the pointerclick event will be still triggered.
|
clickThreshold: 0,
|
|
// The namespace, where all the cell views are defined.
|
cellViewNamespace: joint.shapes,
|
|
// The namespace, where all the cell views are defined.
|
highlighterNamespace: joint.highlighters
|
},
|
|
events: {
|
|
'mousedown': 'pointerdown',
|
'dblclick': 'mousedblclick',
|
'click': 'mouseclick',
|
'touchstart': 'pointerdown',
|
'touchend': 'mouseclick',
|
'touchmove': 'pointermove',
|
'mousemove': 'pointermove',
|
'mouseover .element': 'cellMouseover',
|
'mouseover .link': 'cellMouseover',
|
'mouseout .element': 'cellMouseout',
|
'mouseout .link': 'cellMouseout',
|
'contextmenu': 'contextmenu',
|
'mousewheel': 'mousewheel',
|
'DOMMouseScroll': 'mousewheel'
|
},
|
|
_highlights: [],
|
|
init: function() {
|
|
_.bindAll(this, 'pointerup');
|
|
this.model = this.options.model || new joint.dia.Graph;
|
|
// This is a fix for the case where two papers share the same options.
|
// Changing origin.x for one paper would change the value of origin.x for the other.
|
// This prevents that behavior.
|
this.options.origin = _.clone(this.options.origin);
|
this.options.defaultConnector = _.clone(this.options.defaultConnector);
|
// Return default highlighting options into the user specified options.
|
_.defaults(this.options.highlighting, this.constructor.prototype.options.highlighting);
|
this.options.highlighting = _.cloneDeep(this.options.highlighting);
|
|
this.svg = V('svg').node;
|
this.viewport = V('g').addClass('viewport').node;
|
this.defs = V('defs').node;
|
|
// Append `<defs>` element to the SVG document. This is useful for filters and gradients.
|
V(this.svg).append([this.viewport, this.defs]);
|
|
this.$el.append(this.svg);
|
|
this.model.on('add', this.onCellAdded, this);
|
this.model.on('remove', this.removeView, this);
|
this.model.on('reset', this.resetViews, this);
|
this.model.on('sort', this._onSort, this);
|
this.model.on('batch:stop', this._onBatchStop, this);
|
|
this.setOrigin();
|
this.setDimensions();
|
|
$(document).on('mouseup touchend', this.pointerup);
|
|
// Hold the value when mouse has been moved: when mouse moved, no click event will be triggered.
|
this._mousemoved = 0;
|
// Hash of all cell views.
|
this._views = {};
|
|
this.on('cell:highlight', this.onCellHighlight, this);
|
this.on('cell:unhighlight', this.onCellUnhighlight, this);
|
},
|
|
_onSort: function() {
|
if (!this.model.hasActiveBatch('add')) {
|
this.sortViews();
|
}
|
},
|
|
_onBatchStop: function(data) {
|
var name = data && data.batchName;
|
if (name === 'add' && !this.model.hasActiveBatch('add')) {
|
this.sortViews();
|
}
|
},
|
|
onRemove: function() {
|
|
//clean up all DOM elements/views to prevent memory leaks
|
this.removeViews();
|
|
$(document).off('mouseup touchend', this.pointerup);
|
},
|
|
setDimensions: function(width, height) {
|
|
width = this.options.width = width || this.options.width;
|
height = this.options.height = height || this.options.height;
|
|
V(this.svg).attr({ width: width, height: height });
|
|
this.trigger('resize', width, height);
|
},
|
|
setOrigin: function(ox, oy) {
|
|
this.options.origin.x = ox || 0;
|
this.options.origin.y = oy || 0;
|
|
V(this.viewport).translate(ox, oy, { absolute: true });
|
|
this.trigger('translate', ox, oy);
|
|
if (this.options.drawGrid) {
|
this.drawGrid();
|
}
|
},
|
|
// Expand/shrink the paper to fit the content. Snap the width/height to the grid
|
// defined in `gridWidth`, `gridHeight`. `padding` adds to the resulting width/height of the paper.
|
// When options { fitNegative: true } it also translates the viewport in order to make all
|
// the content visible.
|
fitToContent: function(gridWidth, gridHeight, padding, opt) { // alternatively function(opt)
|
|
if (_.isObject(gridWidth)) {
|
// first parameter is an option object
|
opt = gridWidth;
|
gridWidth = opt.gridWidth || 1;
|
gridHeight = opt.gridHeight || 1;
|
padding = opt.padding || 0;
|
|
} else {
|
|
opt = opt || {};
|
gridWidth = gridWidth || 1;
|
gridHeight = gridHeight || 1;
|
padding = padding || 0;
|
}
|
|
padding = joint.util.normalizeSides(padding);
|
|
// Calculate the paper size to accomodate all the graph's elements.
|
var bbox = V(this.viewport).bbox(true, this.svg);
|
|
var currentScale = V(this.viewport).scale();
|
|
bbox.x *= currentScale.sx;
|
bbox.y *= currentScale.sy;
|
bbox.width *= currentScale.sx;
|
bbox.height *= currentScale.sy;
|
|
var calcWidth = Math.max(Math.ceil((bbox.width + bbox.x) / gridWidth), 1) * gridWidth;
|
var calcHeight = Math.max(Math.ceil((bbox.height + bbox.y) / gridHeight), 1) * gridHeight;
|
|
var tx = 0;
|
var ty = 0;
|
|
if ((opt.allowNewOrigin == 'negative' && bbox.x < 0) || (opt.allowNewOrigin == 'positive' && bbox.x >= 0) || opt.allowNewOrigin == 'any') {
|
tx = Math.ceil(-bbox.x / gridWidth) * gridWidth;
|
tx += padding.left;
|
calcWidth += tx;
|
}
|
|
if ((opt.allowNewOrigin == 'negative' && bbox.y < 0) || (opt.allowNewOrigin == 'positive' && bbox.y >= 0) || opt.allowNewOrigin == 'any') {
|
ty = Math.ceil(-bbox.y / gridHeight) * gridHeight;
|
ty += padding.top;
|
calcHeight += ty;
|
}
|
|
calcWidth += padding.right;
|
calcHeight += padding.bottom;
|
|
// Make sure the resulting width and height are greater than minimum.
|
calcWidth = Math.max(calcWidth, opt.minWidth || 0);
|
calcHeight = Math.max(calcHeight, opt.minHeight || 0);
|
|
// Make sure the resulting width and height are lesser than maximum.
|
calcWidth = Math.min(calcWidth, opt.maxWidth || Number.MAX_VALUE);
|
calcHeight = Math.min(calcHeight, opt.maxHeight || Number.MAX_VALUE);
|
|
var dimensionChange = calcWidth != this.options.width || calcHeight != this.options.height;
|
var originChange = tx != this.options.origin.x || ty != this.options.origin.y;
|
|
// Change the dimensions only if there is a size discrepency or an origin change
|
if (originChange) {
|
this.setOrigin(tx, ty);
|
}
|
if (dimensionChange) {
|
this.setDimensions(calcWidth, calcHeight);
|
}
|
},
|
|
scaleContentToFit: function(opt) {
|
|
var contentBBox = this.getContentBBox();
|
|
if (!contentBBox.width || !contentBBox.height) return;
|
|
opt = opt || {};
|
|
_.defaults(opt, {
|
padding: 0,
|
preserveAspectRatio: true,
|
scaleGrid: null,
|
minScale: 0,
|
maxScale: Number.MAX_VALUE
|
//minScaleX
|
//minScaleY
|
//maxScaleX
|
//maxScaleY
|
//fittingBBox
|
});
|
|
var padding = opt.padding;
|
|
var minScaleX = opt.minScaleX || opt.minScale;
|
var maxScaleX = opt.maxScaleX || opt.maxScale;
|
var minScaleY = opt.minScaleY || opt.minScale;
|
var maxScaleY = opt.maxScaleY || opt.maxScale;
|
|
var fittingBBox = opt.fittingBBox || ({
|
x: this.options.origin.x,
|
y: this.options.origin.y,
|
width: this.options.width,
|
height: this.options.height
|
});
|
|
fittingBBox = g.rect(fittingBBox).moveAndExpand({
|
x: padding,
|
y: padding,
|
width: -2 * padding,
|
height: -2 * padding
|
});
|
|
var currentScale = V(this.viewport).scale();
|
|
var newSx = fittingBBox.width / contentBBox.width * currentScale.sx;
|
var newSy = fittingBBox.height / contentBBox.height * currentScale.sy;
|
|
if (opt.preserveAspectRatio) {
|
newSx = newSy = Math.min(newSx, newSy);
|
}
|
|
// snap scale to a grid
|
if (opt.scaleGrid) {
|
|
var gridSize = opt.scaleGrid;
|
|
newSx = gridSize * Math.floor(newSx / gridSize);
|
newSy = gridSize * Math.floor(newSy / gridSize);
|
}
|
|
// scale min/max boundaries
|
newSx = Math.min(maxScaleX, Math.max(minScaleX, newSx));
|
newSy = Math.min(maxScaleY, Math.max(minScaleY, newSy));
|
|
this.scale(newSx, newSy);
|
|
var contentTranslation = this.getContentBBox();
|
|
var newOx = fittingBBox.x - contentTranslation.x;
|
var newOy = fittingBBox.y - contentTranslation.y;
|
|
this.setOrigin(newOx, newOy);
|
},
|
|
getContentBBox: function() {
|
|
var crect = this.viewport.getBoundingClientRect();
|
|
// Using Screen CTM was the only way to get the real viewport bounding box working in both
|
// Google Chrome and Firefox.
|
var screenCTM = this.viewport.getScreenCTM();
|
|
// for non-default origin we need to take the viewport translation into account
|
var viewportCTM = this.viewport.getCTM();
|
|
return g.rect({
|
x: crect.left - screenCTM.e + viewportCTM.e,
|
y: crect.top - screenCTM.f + viewportCTM.f,
|
width: crect.width,
|
height: crect.height
|
});
|
},
|
|
// Returns a geometry rectangle represeting the entire
|
// paper area (coordinates from the left paper border to the right one
|
// and the top border to the bottom one).
|
getArea: function() {
|
|
var transformationMatrix = this.viewport.getCTM().inverse();
|
var noTransformationBBox = { x: 0, y: 0, width: this.options.width, height: this.options.height };
|
|
return g.rect(V.transformRect(noTransformationBBox, transformationMatrix));
|
},
|
|
getRestrictedArea: function() {
|
|
var restrictedArea;
|
|
if (_.isFunction(this.options.restrictTranslate)) {
|
// A method returning a bounding box
|
restrictedArea = this.options.restrictTranslate.apply(this, arguments);
|
} else if (this.options.restrictTranslate === true) {
|
// The paper area
|
restrictedArea = this.getArea();
|
} else {
|
// Either false or a bounding box
|
restrictedArea = this.options.restrictTranslate || null;
|
}
|
|
return restrictedArea;
|
},
|
|
createViewForModel: function(cell) {
|
|
// A class taken from the paper options.
|
var optionalViewClass;
|
|
// A default basic class (either dia.ElementView or dia.LinkView)
|
var defaultViewClass;
|
|
// A special class defined for this model in the corresponding namespace.
|
// e.g. joint.shapes.basic.Rect searches for joint.shapes.basic.RectView
|
var namespace = this.options.cellViewNamespace;
|
var type = cell.get('type') + 'View';
|
var namespaceViewClass = joint.util.getByPath(namespace, type, '.');
|
|
if (cell.isLink()) {
|
optionalViewClass = this.options.linkView;
|
defaultViewClass = joint.dia.LinkView;
|
} else {
|
optionalViewClass = this.options.elementView;
|
defaultViewClass = joint.dia.ElementView;
|
}
|
|
// a) the paper options view is a class (deprecated)
|
// 1. search the namespace for a view
|
// 2. if no view was found, use view from the paper options
|
// b) the paper options view is a function
|
// 1. call the function from the paper options
|
// 2. if no view was return, search the namespace for a view
|
// 3. if no view was found, use the default
|
var ViewClass = (optionalViewClass.prototype instanceof Backbone.View)
|
? namespaceViewClass || optionalViewClass
|
: optionalViewClass.call(this, cell) || namespaceViewClass || defaultViewClass;
|
|
return new ViewClass({
|
model: cell,
|
interactive: this.options.interactive
|
});
|
},
|
|
onCellAdded: function(cell, graph, opt) {
|
|
if (this.options.async && opt.async !== false && _.isNumber(opt.position)) {
|
|
this._asyncCells = this._asyncCells || [];
|
this._asyncCells.push(cell);
|
|
if (opt.position == 0) {
|
|
if (this._frameId) throw new Error('another asynchronous rendering in progress');
|
|
this.asyncRenderViews(this._asyncCells, opt);
|
delete this._asyncCells;
|
}
|
|
} else {
|
|
this.renderView(cell);
|
}
|
},
|
|
removeView: function(cell) {
|
|
var view = this._views[cell.id];
|
|
if (view) {
|
view.remove();
|
delete this._views[cell.id];
|
}
|
|
return view;
|
},
|
|
renderView: function(cell) {
|
|
var view = this._views[cell.id] = this.createViewForModel(cell);
|
|
V(this.viewport).append(view.el);
|
view.paper = this;
|
view.render();
|
|
// This is the only way to prevent image dragging in Firefox that works.
|
// Setting -moz-user-select: none, draggable="false" attribute or user-drag: none didn't help.
|
$(view.el).find('image').on('dragstart', function() { return false; });
|
|
return view;
|
},
|
|
beforeRenderViews: function(cells) {
|
|
// Make sure links are always added AFTER elements.
|
// They wouldn't find their sources/targets in the DOM otherwise.
|
cells.sort(function(a) { return a instanceof joint.dia.Link ? 1 : -1; });
|
|
return cells;
|
},
|
|
afterRenderViews: function() {
|
|
this.sortViews();
|
},
|
|
resetViews: function(cellsCollection, opt) {
|
|
// clearing views removes any event listeners
|
this.removeViews();
|
|
var cells = cellsCollection.models.slice();
|
|
// `beforeRenderViews()` can return changed cells array (e.g sorted).
|
cells = this.beforeRenderViews(cells, opt) || cells;
|
|
if (this._frameId) {
|
|
joint.util.cancelFrame(this._frameId);
|
delete this._frameId;
|
}
|
|
if (this.options.async) {
|
|
this.asyncRenderViews(cells, opt);
|
// Sort the cells once all elements rendered (see asyncRenderViews()).
|
|
} else {
|
|
_.each(cells, this.renderView, this);
|
|
// Sort the cells in the DOM manually as we might have changed the order they
|
// were added to the DOM (see above).
|
this.sortViews();
|
}
|
},
|
|
removeViews: function() {
|
|
_.invoke(this._views, 'remove');
|
|
this._views = {};
|
},
|
|
asyncBatchAdded: _.noop,
|
|
asyncRenderViews: function(cells, opt) {
|
|
if (this._frameId) {
|
|
var batchSize = (this.options.async && this.options.async.batchSize) || 50;
|
var batchCells = cells.splice(0, batchSize);
|
var collection = this.model.get('cells');
|
|
_.each(batchCells, function(cell) {
|
|
// The cell has to be part of the graph collection.
|
// There is a chance in asynchronous rendering
|
// that a cell was removed before it's rendered to the paper.
|
if (cell.collection === collection) this.renderView(cell);
|
|
}, this);
|
|
this.asyncBatchAdded();
|
}
|
|
if (!cells.length) {
|
|
// No cells left to render.
|
delete this._frameId;
|
this.afterRenderViews(opt);
|
this.trigger('render:done', opt);
|
|
} else {
|
|
// Schedule a next batch to render.
|
this._frameId = joint.util.nextFrame(function() {
|
this.asyncRenderViews(cells, opt);
|
}, this);
|
}
|
},
|
|
sortViews: function() {
|
|
// Run insertion sort algorithm in order to efficiently sort DOM elements according to their
|
// associated model `z` attribute.
|
|
var $cells = $(this.viewport).children('[model-id]');
|
var cells = this.model.get('cells');
|
|
joint.util.sortElements($cells, function(a, b) {
|
|
var cellA = cells.get($(a).attr('model-id'));
|
var cellB = cells.get($(b).attr('model-id'));
|
|
return (cellA.get('z') || 0) > (cellB.get('z') || 0) ? 1 : -1;
|
});
|
},
|
|
scale: function(sx, sy, ox, oy) {
|
|
sy = sy || sx;
|
|
if (_.isUndefined(ox)) {
|
|
ox = 0;
|
oy = 0;
|
}
|
|
// Remove previous transform so that the new scale is not affected by previous scales, especially
|
// the old translate() does not affect the new translate if an origin is specified.
|
V(this.viewport).attr('transform', '');
|
|
var oldTx = this.options.origin.x;
|
var oldTy = this.options.origin.y;
|
|
// TODO: V.scale() doesn't support setting scale origin. #Fix
|
if (ox || oy || oldTx || oldTy) {
|
|
var newTx = oldTx - ox * (sx - 1);
|
var newTy = oldTy - oy * (sy - 1);
|
this.setOrigin(newTx, newTy);
|
}
|
|
V(this.viewport).scale(sx, sy);
|
|
this.trigger('scale', sx, sy, ox, oy);
|
|
if (this.options.drawGrid) {
|
this.drawGrid();
|
}
|
|
return this;
|
},
|
|
rotate: function(deg, ox, oy) {
|
|
// If the origin is not set explicitely, rotate around the center. Note that
|
// we must use the plain bounding box (`this.el.getBBox()` instead of the one that gives us
|
// the real bounding box (`bbox()`) including transformations).
|
if (_.isUndefined(ox)) {
|
|
var bbox = this.viewport.getBBox();
|
ox = bbox.width / 2;
|
oy = bbox.height / 2;
|
}
|
|
V(this.viewport).rotate(deg, ox, oy);
|
},
|
|
// Find the first view climbing up the DOM tree starting at element `el`. Note that `el` can also
|
// be a selector or a jQuery object.
|
findView: function($el) {
|
|
var el = _.isString($el)
|
? this.viewport.querySelector($el)
|
: $el instanceof $ ? $el[0] : $el;
|
|
while (el && el !== this.el && el !== document) {
|
|
var id = el.getAttribute('model-id');
|
if (id) return this._views[id];
|
|
el = el.parentNode;
|
}
|
|
return undefined;
|
},
|
|
// Find a view for a model `cell`. `cell` can also be a string representing a model `id`.
|
findViewByModel: function(cell) {
|
|
var id = _.isString(cell) ? cell : cell.id;
|
|
return this._views[id];
|
},
|
|
// Find all views at given point
|
findViewsFromPoint: function(p) {
|
|
p = g.point(p);
|
|
var views = _.map(this.model.getElements(), this.findViewByModel, this);
|
|
return _.filter(views, function(view) {
|
return view && g.rect(view.vel.bbox(false, this.viewport)).containsPoint(p);
|
}, this);
|
},
|
|
// Find all views in given area
|
findViewsInArea: function(rect, opt) {
|
|
opt = _.defaults(opt || {}, { strict: false });
|
rect = g.rect(rect);
|
|
var views = _.map(this.model.getElements(), this.findViewByModel, this);
|
var method = opt.strict ? 'containsRect' : 'intersect';
|
|
return _.filter(views, function(view) {
|
return view && rect[method](g.rect(view.vel.bbox(false, this.viewport)));
|
}, this);
|
},
|
|
getModelById: function(id) {
|
|
return this.model.getCell(id);
|
},
|
|
snapToGrid: function(p) {
|
|
// Convert global coordinates to the local ones of the `viewport`. Otherwise,
|
// improper transformation would be applied when the viewport gets transformed (scaled/rotated).
|
var localPoint = V(this.viewport).toLocalPoint(p.x, p.y);
|
|
return {
|
x: g.snapToGrid(localPoint.x, this.options.gridSize),
|
y: g.snapToGrid(localPoint.y, this.options.gridSize)
|
};
|
},
|
|
// Transform client coordinates to the paper local coordinates.
|
// Useful when you have a mouse event object and you'd like to get coordinates
|
// inside the paper that correspond to `evt.clientX` and `evt.clientY` point.
|
// Exmaple: var paperPoint = paper.clientToLocalPoint({ x: evt.clientX, y: evt.clientY });
|
clientToLocalPoint: function(p) {
|
|
p = g.point(p);
|
|
// This is a hack for Firefox! If there wasn't a fake (non-visible) rectangle covering the
|
// whole SVG area, `$(paper.svg).offset()` used below won't work.
|
var fakeRect = V('rect', { width: this.options.width, height: this.options.height, x: 0, y: 0, opacity: 0 });
|
V(this.svg).prepend(fakeRect);
|
|
var paperOffset = $(this.svg).offset();
|
|
// Clean up the fake rectangle once we have the offset of the SVG document.
|
fakeRect.remove();
|
|
var scrollTop = document.body.scrollTop || document.documentElement.scrollTop;
|
var scrollLeft = document.body.scrollLeft || document.documentElement.scrollLeft;
|
|
p.offset(scrollLeft - paperOffset.left, scrollTop - paperOffset.top);
|
|
// Transform point into the viewport coordinate system.
|
return V.transformPoint(p, this.viewport.getCTM().inverse());
|
},
|
|
linkAllowed: function(linkViewOrModel) {
|
|
var link;
|
|
if (linkViewOrModel instanceof joint.dia.Link) {
|
link = linkViewOrModel;
|
} else if (linkViewOrModel instanceof joint.dia.LinkView) {
|
link = linkViewOrModel.model;
|
} else {
|
throw new Error('Must provide link model or view.');
|
}
|
|
if (!this.options.multiLinks) {
|
|
// Do not allow multiple links to have the same source and target.
|
|
var source = link.get('source');
|
var target = link.get('target');
|
|
if (source.id && target.id) {
|
|
var sourceModel = link.getSourceElement();
|
|
if (sourceModel) {
|
|
var connectedLinks = this.model.getConnectedLinks(sourceModel, {
|
outbound: true,
|
inbound: false
|
});
|
|
var numSameLinks = _.filter(connectedLinks, function(_link) {
|
|
var _source = _link.get('source');
|
var _target = _link.get('target');
|
|
return _source && _source.id === source.id &&
|
(!_source.port || (_source.port === source.port)) &&
|
_target && _target.id === target.id &&
|
(!_target.port || (_target.port === target.port));
|
|
}).length;
|
|
if (numSameLinks > 1) {
|
return false;
|
}
|
}
|
}
|
}
|
|
if (
|
!this.options.linkPinning &&
|
(
|
!_.has(link.get('source'), 'id') ||
|
!_.has(link.get('target'), 'id')
|
)
|
) {
|
// Link pinning is not allowed and the link is not connected to the target.
|
return false;
|
}
|
|
return true;
|
},
|
|
getDefaultLink: function(cellView, magnet) {
|
|
return _.isFunction(this.options.defaultLink)
|
// default link is a function producing link model
|
? this.options.defaultLink.call(this, cellView, magnet)
|
// default link is the Backbone model
|
: this.options.defaultLink.clone();
|
},
|
|
// Cell highlighting
|
// -----------------
|
resolveHighlighter: function(opt) {
|
|
opt = opt || {};
|
var highlighterDef = opt.highlighter;
|
var paperOpt = this.options;
|
|
/*
|
Expecting opt.highlighter to have the following structure:
|
{
|
name: 'highlighter-name',
|
options: {
|
some: 'value'
|
}
|
}
|
*/
|
if (_.isUndefined(highlighterDef)) {
|
|
// check for built-in types
|
var type = _.chain(opt)
|
.pick('embedding', 'connecting', 'magnetAvailability', 'elementAvailability')
|
.keys().first().value();
|
|
highlighterDef = (type && paperOpt.highlighting[type]) || paperOpt.highlighting['default'];
|
}
|
|
// Do nothing if opt.highlighter is falsey.
|
// This allows the case to not highlight cell(s) in certain cases.
|
// For example, if you want to NOT highlight when embedding elements.
|
if (!highlighterDef) return false;
|
|
var name = highlighterDef.name;
|
var highlighter = paperOpt.highlighterNamespace[name];
|
|
// Highlighter validation
|
if (!highlighter) {
|
throw new Error('Unknown highlighter ("' + name + '")');
|
}
|
if (typeof highlighter.highlight !== 'function') {
|
throw new Error('Highlighter ("' + name + '") is missing required highlight() method');
|
}
|
if (typeof highlighter.unhighlight !== 'function') {
|
throw new Error('Highlighter ("' + name + '") is missing required unhighlight() method');
|
}
|
|
return {
|
highlighter: highlighter,
|
options: highlighterDef.options,
|
name: name
|
};
|
},
|
|
onCellHighlight: function(cellView, magnetEl, opt) {
|
|
opt = this.resolveHighlighter(opt);
|
if (!opt) return;
|
|
var key = opt.name + magnetEl.id + JSON.stringify(opt.options);
|
if (!this._highlights[key]) {
|
|
var highlighter = opt.highlighter;
|
highlighter.highlight(cellView, magnetEl, _.clone(opt.options));
|
|
this._highlights[key] = {
|
cellView: cellView,
|
magnetEl: magnetEl,
|
opt: opt.options,
|
highlighter: highlighter
|
};
|
}
|
},
|
|
onCellUnhighlight: function(cellView, magnetEl, opt) {
|
|
opt = this.resolveHighlighter(opt);
|
if (!opt) return;
|
|
var key = opt.name + magnetEl.id + JSON.stringify(opt.options);
|
var highlight = this._highlights[key];
|
if (highlight) {
|
|
// Use the cellView and magnetEl that were used by the highlighter.highlight() method.
|
highlight.highlighter.unhighlight(highlight.cellView, highlight.magnetEl, highlight.opt);
|
|
this._highlights[key] = null;
|
}
|
},
|
|
// Interaction.
|
// ------------
|
|
mousedblclick: function(evt) {
|
|
evt.preventDefault();
|
evt = joint.util.normalizeEvent(evt);
|
|
var view = this.findView(evt.target);
|
if (this.guard(evt, view)) return;
|
|
var localPoint = this.snapToGrid({ x: evt.clientX, y: evt.clientY });
|
|
if (view) {
|
|
view.pointerdblclick(evt, localPoint.x, localPoint.y);
|
|
} else {
|
|
this.trigger('blank:pointerdblclick', evt, localPoint.x, localPoint.y);
|
}
|
},
|
|
mouseclick: function(evt) {
|
|
// Trigger event when mouse not moved.
|
if (this._mousemoved <= this.options.clickThreshold) {
|
|
evt = joint.util.normalizeEvent(evt);
|
|
var view = this.findView(evt.target);
|
if (this.guard(evt, view)) return;
|
|
var localPoint = this.snapToGrid({ x: evt.clientX, y: evt.clientY });
|
|
if (view) {
|
|
view.pointerclick(evt, localPoint.x, localPoint.y);
|
|
} else {
|
|
this.trigger('blank:pointerclick', evt, localPoint.x, localPoint.y);
|
}
|
}
|
},
|
|
// Guard guards the event received. If the event is not interesting, guard returns `true`.
|
// Otherwise, it return `false`.
|
guard: function(evt, view) {
|
|
if (this.options.guard && this.options.guard(evt, view)) {
|
|
return true;
|
}
|
|
if (view && view.model && (view.model instanceof joint.dia.Cell)) {
|
|
return false;
|
|
} else if (this.svg === evt.target || this.el === evt.target || $.contains(this.svg, evt.target)) {
|
|
return false;
|
}
|
|
return true; // Event guarded. Paper should not react on it in any way.
|
},
|
|
contextmenu: function(evt) {
|
|
evt = joint.util.normalizeEvent(evt);
|
|
if (this.options.preventContextMenu) {
|
evt.preventDefault();
|
}
|
|
var view = this.findView(evt.target);
|
if (this.guard(evt, view)) return;
|
|
var localPoint = this.snapToGrid({ x: evt.clientX, y: evt.clientY });
|
|
if (view) {
|
|
view.contextmenu(evt, localPoint.x, localPoint.y);
|
|
} else {
|
|
this.trigger('blank:contextmenu', evt, localPoint.x, localPoint.y);
|
}
|
},
|
|
pointerdown: function(evt) {
|
|
evt = joint.util.normalizeEvent(evt);
|
|
var view = this.findView(evt.target);
|
if (this.guard(evt, view)) return;
|
|
evt.preventDefault();
|
|
this._mousemoved = 0;
|
|
var localPoint = this.snapToGrid({ x: evt.clientX, y: evt.clientY });
|
|
if (view) {
|
|
this.sourceView = view;
|
|
view.pointerdown(evt, localPoint.x, localPoint.y);
|
|
} else {
|
|
this.trigger('blank:pointerdown', evt, localPoint.x, localPoint.y);
|
}
|
},
|
|
pointermove: function(evt) {
|
|
evt.preventDefault();
|
evt = joint.util.normalizeEvent(evt);
|
|
if (this.sourceView) {
|
|
// Mouse moved counter.
|
this._mousemoved++;
|
|
var localPoint = this.snapToGrid({ x: evt.clientX, y: evt.clientY });
|
|
this.sourceView.pointermove(evt, localPoint.x, localPoint.y);
|
}
|
},
|
|
pointerup: function(evt) {
|
|
evt = joint.util.normalizeEvent(evt);
|
|
var localPoint = this.snapToGrid({ x: evt.clientX, y: evt.clientY });
|
|
if (this.sourceView) {
|
|
this.sourceView.pointerup(evt, localPoint.x, localPoint.y);
|
|
//"delete sourceView" occasionally throws an error in chrome (illegal access exception)
|
this.sourceView = null;
|
|
} else {
|
|
this.trigger('blank:pointerup', evt, localPoint.x, localPoint.y);
|
}
|
},
|
|
mousewheel: function(evt) {
|
|
evt = joint.util.normalizeEvent(evt);
|
var view = this.findView(evt.target);
|
if (this.guard(evt, view)) return;
|
|
var originalEvent = evt.originalEvent;
|
var localPoint = this.snapToGrid({ x: originalEvent.clientX, y: originalEvent.clientY });
|
var delta = Math.max(-1, Math.min(1, (originalEvent.wheelDelta || -originalEvent.detail)));
|
|
if (view) {
|
|
view.mousewheel(evt, localPoint.x, localPoint.y, delta);
|
|
} else {
|
|
this.trigger('blank:mousewheel', evt, localPoint.x, localPoint.y, delta);
|
}
|
},
|
|
cellMouseover: function(evt) {
|
|
evt = joint.util.normalizeEvent(evt);
|
var view = this.findView(evt.target);
|
if (view) {
|
if (this.guard(evt, view)) return;
|
view.mouseover(evt);
|
}
|
},
|
|
cellMouseout: function(evt) {
|
|
evt = joint.util.normalizeEvent(evt);
|
var view = this.findView(evt.target);
|
if (view) {
|
if (this.guard(evt, view)) return;
|
view.mouseout(evt);
|
}
|
},
|
|
setGridSize: function(gridSize) {
|
|
this.options.gridSize = gridSize;
|
|
if (this.options.drawGrid) {
|
this.drawGrid();
|
}
|
|
return this;
|
},
|
|
drawGrid: function(opt) {
|
|
opt = opt || {};
|
_.defaults(opt, this.options.drawGrid, {
|
color: '#aaa',
|
thickness: 1
|
});
|
|
var gridSize = this.options.gridSize;
|
|
if (gridSize <= 1) {
|
this.el.style.backgroundImage = 'none';
|
return;
|
}
|
|
var currentScale = V(this.viewport).scale();
|
var scaleX = currentScale.sx;
|
var scaleY = currentScale.sy;
|
var originX = this.options.origin.x;
|
var originY = this.options.origin.y;
|
var gridX = gridSize * scaleX;
|
var gridY = gridSize * scaleY;
|
|
var canvas = document.createElement('canvas');
|
|
canvas.width = gridX;
|
canvas.height = gridY;
|
|
gridX = originX >= 0 ? originX % gridX : gridX + originX % gridX;
|
gridY = originY >= 0 ? originY % gridY : gridY + originY % gridY;
|
|
var context = canvas.getContext('2d');
|
context.beginPath();
|
context.rect(gridX, gridY, opt.thickness * scaleX, opt.thickness * scaleY);
|
context.fillStyle = opt.color;
|
context.fill();
|
|
var backgroundImage = canvas.toDataURL('image/png');
|
this.el.style.backgroundImage = 'url("' + backgroundImage + '")';
|
}
|
|
});
|
|
// JointJS library.
|
// (c) 2011-2013 client IO
|
|
joint.shapes.basic = {};
|
|
joint.shapes.basic.Generic = joint.dia.Element.extend({
|
|
defaults: joint.util.deepSupplement({
|
|
type: 'basic.Generic',
|
attrs: {
|
'.': { fill: '#ffffff', stroke: 'none' }
|
}
|
|
}, joint.dia.Element.prototype.defaults)
|
});
|
|
joint.shapes.basic.Rect = joint.shapes.basic.Generic.extend({
|
|
markup: '<g class="rotatable"><g class="scalable"><rect/></g><text/></g>',
|
|
defaults: joint.util.deepSupplement({
|
|
type: 'basic.Rect',
|
attrs: {
|
'rect': {
|
fill: '#ffffff',
|
stroke: '#000000',
|
width: 100,
|
height: 60
|
},
|
'text': {
|
fill: '#000000',
|
text: '',
|
'font-size': 14,
|
'ref-x': .5,
|
'ref-y': .5,
|
'text-anchor': 'middle',
|
'y-alignment': 'middle',
|
'font-family': 'Arial, helvetica, sans-serif'
|
}
|
}
|
|
}, joint.shapes.basic.Generic.prototype.defaults)
|
});
|
|
joint.shapes.basic.TextView = joint.dia.ElementView.extend({
|
|
initialize: function() {
|
joint.dia.ElementView.prototype.initialize.apply(this, arguments);
|
// The element view is not automatically rescaled to fit the model size
|
// when the attribute 'attrs' is changed.
|
this.listenTo(this.model, 'change:attrs', this.resize);
|
}
|
});
|
|
joint.shapes.basic.Text = joint.shapes.basic.Generic.extend({
|
|
markup: '<g class="rotatable"><g class="scalable"><text/></g></g>',
|
|
defaults: joint.util.deepSupplement({
|
|
type: 'basic.Text',
|
attrs: {
|
'text': {
|
'font-size': 18,
|
fill: '#000000'
|
}
|
}
|
|
}, joint.shapes.basic.Generic.prototype.defaults)
|
});
|
|
joint.shapes.basic.Circle = joint.shapes.basic.Generic.extend({
|
|
markup: '<g class="rotatable"><g class="scalable"><circle/></g><text/></g>',
|
|
defaults: joint.util.deepSupplement({
|
|
type: 'basic.Circle',
|
size: { width: 60, height: 60 },
|
attrs: {
|
'circle': {
|
fill: '#ffffff',
|
stroke: '#000000',
|
r: 30,
|
cx: 30,
|
cy: 30
|
},
|
'text': {
|
'font-size': 14,
|
text: '',
|
'text-anchor': 'middle',
|
'ref-x': .5,
|
'ref-y': .5,
|
'y-alignment': 'middle',
|
fill: '#000000',
|
'font-family': 'Arial, helvetica, sans-serif'
|
}
|
}
|
}, joint.shapes.basic.Generic.prototype.defaults)
|
});
|
|
joint.shapes.basic.Ellipse = joint.shapes.basic.Generic.extend({
|
|
markup: '<g class="rotatable"><g class="scalable"><ellipse/></g><text/></g>',
|
|
defaults: joint.util.deepSupplement({
|
|
type: 'basic.Ellipse',
|
size: { width: 60, height: 40 },
|
attrs: {
|
'ellipse': {
|
fill: '#ffffff',
|
stroke: '#000000',
|
rx: 30,
|
ry: 20,
|
cx: 30,
|
cy: 20
|
},
|
'text': {
|
'font-size': 14,
|
text: '',
|
'text-anchor': 'middle',
|
'ref-x': .5,
|
'ref-y': .5,
|
'y-alignment': 'middle',
|
fill: '#000000',
|
'font-family': 'Arial, helvetica, sans-serif'
|
}
|
}
|
}, joint.shapes.basic.Generic.prototype.defaults)
|
});
|
|
joint.shapes.basic.Polygon = joint.shapes.basic.Generic.extend({
|
|
markup: '<g class="rotatable"><g class="scalable"><polygon/></g><text/></g>',
|
|
defaults: joint.util.deepSupplement({
|
|
type: 'basic.Polygon',
|
size: { width: 60, height: 40 },
|
attrs: {
|
'polygon': {
|
fill: '#ffffff',
|
stroke: '#000000'
|
},
|
'text': {
|
'font-size': 14,
|
text: '',
|
'text-anchor': 'middle',
|
'ref-x': .5,
|
'ref-dy': 20,
|
'y-alignment': 'middle',
|
fill: '#000000',
|
'font-family': 'Arial, helvetica, sans-serif'
|
}
|
}
|
}, joint.shapes.basic.Generic.prototype.defaults)
|
});
|
|
joint.shapes.basic.Polyline = joint.shapes.basic.Generic.extend({
|
|
markup: '<g class="rotatable"><g class="scalable"><polyline/></g><text/></g>',
|
|
defaults: joint.util.deepSupplement({
|
|
type: 'basic.Polyline',
|
size: { width: 60, height: 40 },
|
attrs: {
|
'polyline': {
|
fill: '#ffffff',
|
stroke: '#000000'
|
},
|
'text': {
|
'font-size': 14,
|
text: '',
|
'text-anchor': 'middle',
|
'ref-x': .5,
|
'ref-dy': 20,
|
'y-alignment': 'middle',
|
fill: '#000000',
|
'font-family': 'Arial, helvetica, sans-serif'
|
}
|
}
|
}, joint.shapes.basic.Generic.prototype.defaults)
|
});
|
|
joint.shapes.basic.Image = joint.shapes.basic.Generic.extend({
|
|
markup: '<g class="rotatable"><g class="scalable"><image/></g><text/></g>',
|
|
defaults: joint.util.deepSupplement({
|
|
type: 'basic.Image',
|
attrs: {
|
'text': {
|
'font-size': 14,
|
text: '',
|
'text-anchor': 'middle',
|
'ref-x': .5,
|
'ref-dy': 20,
|
'y-alignment': 'middle',
|
fill: '#000000',
|
'font-family': 'Arial, helvetica, sans-serif'
|
}
|
}
|
}, joint.shapes.basic.Generic.prototype.defaults)
|
});
|
|
joint.shapes.basic.Path = joint.shapes.basic.Generic.extend({
|
|
markup: '<g class="rotatable"><g class="scalable"><path/></g><text/></g>',
|
|
defaults: joint.util.deepSupplement({
|
|
type: 'basic.Path',
|
size: { width: 60, height: 60 },
|
attrs: {
|
'path': {
|
fill: '#ffffff',
|
stroke: '#000000'
|
},
|
'text': {
|
'font-size': 14,
|
text: '',
|
'text-anchor': 'middle',
|
'ref': 'path',
|
'ref-x': .5,
|
'ref-dy': 10,
|
fill: '#000000',
|
'font-family': 'Arial, helvetica, sans-serif'
|
}
|
}
|
}, joint.shapes.basic.Generic.prototype.defaults)
|
});
|
|
joint.shapes.basic.Rhombus = joint.shapes.basic.Path.extend({
|
|
defaults: joint.util.deepSupplement({
|
|
type: 'basic.Rhombus',
|
attrs: {
|
'path': {
|
d: 'M 30 0 L 60 30 30 60 0 30 z'
|
},
|
'text': {
|
'ref-y': .5,
|
'y-alignment': 'middle'
|
}
|
}
|
|
}, joint.shapes.basic.Path.prototype.defaults)
|
});
|
|
|
// PortsModelInterface is a common interface for shapes that have ports. This interface makes it easy
|
// to create new shapes with ports functionality. It is assumed that the new shapes have
|
// `inPorts` and `outPorts` array properties. Only these properties should be used to set ports.
|
// In other words, using this interface, it is no longer recommended to set ports directly through the
|
// `attrs` object.
|
|
// Usage:
|
// joint.shapes.custom.MyElementWithPorts = joint.shapes.basic.Path.extend(_.extend({}, joint.shapes.basic.PortsModelInterface, {
|
// getPortAttrs: function(portName, index, total, selector, type) {
|
// var attrs = {};
|
// var portClass = 'port' + index;
|
// var portSelector = selector + '>.' + portClass;
|
// var portTextSelector = portSelector + '>text';
|
// var portBodySelector = portSelector + '>.port-body';
|
//
|
// attrs[portTextSelector] = { text: portName };
|
// attrs[portBodySelector] = { port: { id: portName || _.uniqueId(type) , type: type } };
|
// attrs[portSelector] = { ref: 'rect', 'ref-y': (index + 0.5) * (1 / total) };
|
//
|
// if (selector === '.outPorts') { attrs[portSelector]['ref-dx'] = 0; }
|
//
|
// return attrs;
|
// }
|
//}));
|
joint.shapes.basic.PortsModelInterface = {
|
|
initialize: function() {
|
|
this.updatePortsAttrs();
|
this.on('change:inPorts change:outPorts', this.updatePortsAttrs, this);
|
|
// Call the `initialize()` of the parent.
|
this.constructor.__super__.constructor.__super__.initialize.apply(this, arguments);
|
},
|
|
updatePortsAttrs: function(eventName) {
|
|
if (this._portSelectors) {
|
|
var newAttrs = _.omit(this.get('attrs'), this._portSelectors);
|
this.set('attrs', newAttrs, { silent: true });
|
}
|
|
// This holds keys to the `attrs` object for all the port specific attribute that
|
// we set in this method. This is necessary in order to remove previously set
|
// attributes for previous ports.
|
this._portSelectors = [];
|
|
var attrs = {};
|
|
_.each(this.get('inPorts'), function(portName, index, ports) {
|
var portAttributes = this.getPortAttrs(portName, index, ports.length, '.inPorts', 'in');
|
this._portSelectors = this._portSelectors.concat(_.keys(portAttributes));
|
_.extend(attrs, portAttributes);
|
}, this);
|
|
_.each(this.get('outPorts'), function(portName, index, ports) {
|
var portAttributes = this.getPortAttrs(portName, index, ports.length, '.outPorts', 'out');
|
this._portSelectors = this._portSelectors.concat(_.keys(portAttributes));
|
_.extend(attrs, portAttributes);
|
}, this);
|
|
// Silently set `attrs` on the cell so that noone knows the attrs have changed. This makes sure
|
// that, for example, command manager does not register `change:attrs` command but only
|
// the important `change:inPorts`/`change:outPorts` command.
|
this.attr(attrs, { silent: true });
|
// Manually call the `processPorts()` method that is normally called on `change:attrs` (that we just made silent).
|
this.processPorts();
|
// Let the outside world (mainly the `ModelView`) know that we're done configuring the `attrs` object.
|
this.trigger('process:ports');
|
},
|
|
getPortSelector: function(name) {
|
|
var selector = '.inPorts';
|
var index = this.get('inPorts').indexOf(name);
|
|
if (index < 0) {
|
selector = '.outPorts';
|
index = this.get('outPorts').indexOf(name);
|
|
if (index < 0) throw new Error("getPortSelector(): Port doesn't exist.");
|
}
|
|
return selector + '>g:nth-child(' + (index + 1) + ')>.port-body';
|
}
|
};
|
|
joint.shapes.basic.PortsViewInterface = {
|
|
initialize: function() {
|
|
// `Model` emits the `process:ports` whenever it's done configuring the `attrs` object for ports.
|
this.listenTo(this.model, 'process:ports', this.update);
|
|
joint.dia.ElementView.prototype.initialize.apply(this, arguments);
|
},
|
|
update: function() {
|
|
// First render ports so that `attrs` can be applied to those newly created DOM elements
|
// in `ElementView.prototype.update()`.
|
this.renderPorts();
|
joint.dia.ElementView.prototype.update.apply(this, arguments);
|
},
|
|
renderPorts: function() {
|
|
var $inPorts = this.$('.inPorts').empty();
|
var $outPorts = this.$('.outPorts').empty();
|
|
var portTemplate = joint.util.template(this.model.portMarkup);
|
|
_.each(_.filter(this.model.ports, function(p) { return p.type === 'in'; }), function(port, index) {
|
|
$inPorts.append(V(portTemplate({ id: index, port: port })).node);
|
});
|
_.each(_.filter(this.model.ports, function(p) { return p.type === 'out'; }), function(port, index) {
|
|
$outPorts.append(V(portTemplate({ id: index, port: port })).node);
|
});
|
}
|
};
|
|
joint.shapes.basic.TextBlock = joint.shapes.basic.Generic.extend({
|
|
markup: [
|
'<g class="rotatable">',
|
'<g class="scalable"><rect/></g>',
|
joint.env.test('svgforeignobject') ? '<foreignObject class="fobj"><body xmlns="http://www.w3.org/1999/xhtml"><div class="content"/></body></foreignObject>' : '<text class="content"/>',
|
'</g>'
|
].join(''),
|
|
defaults: joint.util.deepSupplement({
|
|
type: 'basic.TextBlock',
|
|
// see joint.css for more element styles
|
attrs: {
|
rect: {
|
fill: '#ffffff',
|
stroke: '#000000',
|
width: 80,
|
height: 100
|
},
|
text: {
|
fill: '#000000',
|
'font-size': 14,
|
'font-family': 'Arial, helvetica, sans-serif'
|
},
|
'.content': {
|
text: '',
|
ref: 'rect',
|
'ref-x': .5,
|
'ref-y': .5,
|
'y-alignment': 'middle',
|
'x-alignment': 'middle'
|
}
|
},
|
|
content: ''
|
|
}, joint.shapes.basic.Generic.prototype.defaults),
|
|
initialize: function() {
|
|
this.listenTo(this, 'change:size', this.updateSize);
|
this.listenTo(this, 'change:content', this.updateContent);
|
this.updateSize(this, this.get('size'));
|
this.updateContent(this, this.get('content'));
|
joint.shapes.basic.Generic.prototype.initialize.apply(this, arguments);
|
},
|
|
updateSize: function(cell, size) {
|
|
// Selector `foreignObject' doesn't work accross all browsers, we'r using class selector instead.
|
// We have to clone size as we don't want attributes.div.style to be same object as attributes.size.
|
this.attr({
|
'.fobj': _.clone(size),
|
div: {
|
style: _.clone(size)
|
}
|
});
|
},
|
|
updateContent: function(cell, content) {
|
|
if (joint.env.test('svgforeignobject')) {
|
|
// Content element is a <div> element.
|
this.attr({
|
'.content': {
|
html: content
|
}
|
});
|
|
} else {
|
|
// Content element is a <text> element.
|
// SVG elements don't have innerHTML attribute.
|
this.attr({
|
'.content': {
|
text: content
|
}
|
});
|
}
|
},
|
|
// Here for backwards compatibility:
|
setForeignObjectSize: function() {
|
|
this.updateSize.apply(this, arguments);
|
},
|
|
// Here for backwards compatibility:
|
setDivContent: function() {
|
|
this.updateContent.apply(this, arguments);
|
}
|
|
});
|
|
// TextBlockView implements the fallback for IE when no foreignObject exists and
|
// the text needs to be manually broken.
|
joint.shapes.basic.TextBlockView = joint.dia.ElementView.extend({
|
|
initialize: function() {
|
|
joint.dia.ElementView.prototype.initialize.apply(this, arguments);
|
|
// Keep this for backwards compatibility:
|
this.noSVGForeignObjectElement = !joint.env.test('svgforeignobject');
|
|
if (!joint.env.test('svgforeignobject')) {
|
|
this.listenTo(this.model, 'change:content', function(cell) {
|
// avoiding pass of extra paramters
|
this.updateContent(cell);
|
});
|
}
|
},
|
|
update: function(cell, renderingOnlyAttrs) {
|
|
if (joint.env.test('svgforeignobject')) {
|
|
var model = this.model;
|
|
// Update everything but the content first.
|
var noTextAttrs = _.omit(renderingOnlyAttrs || model.get('attrs'), '.content');
|
joint.dia.ElementView.prototype.update.call(this, model, noTextAttrs);
|
|
if (!renderingOnlyAttrs || _.has(renderingOnlyAttrs, '.content')) {
|
// Update the content itself.
|
this.updateContent(model, renderingOnlyAttrs);
|
}
|
|
} else {
|
|
joint.dia.ElementView.prototype.update.call(this, model, renderingOnlyAttrs);
|
}
|
},
|
|
updateContent: function(cell, renderingOnlyAttrs) {
|
|
// Create copy of the text attributes
|
var textAttrs = _.merge({}, (renderingOnlyAttrs || cell.get('attrs'))['.content']);
|
|
textAttrs = _.omit(textAttrs, 'text');
|
|
// Break the content to fit the element size taking into account the attributes
|
// set on the model.
|
var text = joint.util.breakText(cell.get('content'), cell.get('size'), textAttrs, {
|
// measuring sandbox svg document
|
svgDocument: this.paper.svg
|
});
|
|
// Create a new attrs with same structure as the model attrs { text: { *textAttributes* }}
|
var attrs = joint.util.setByPath({}, '.content', textAttrs, '/');
|
|
// Replace text attribute with the one we just processed.
|
attrs['.content'].text = text;
|
|
// Update the view using renderingOnlyAttributes parameter.
|
joint.dia.ElementView.prototype.update.call(this, cell, attrs);
|
}
|
});
|
|
joint.routers.manhattan = (function(g, _) {
|
|
'use strict';
|
|
var config = {
|
|
// size of the step to find a route
|
step: 10,
|
|
// use of the perpendicular linkView option to connect center of element with first vertex
|
perpendicular: true,
|
|
// should be source or target not to be consider as an obstacle
|
excludeEnds: [], // 'source', 'target'
|
|
// should be any element with a certain type not to be consider as an obstacle
|
excludeTypes: ['basic.Text'],
|
|
// if number of route finding loops exceed the maximum, stops searching and returns
|
// fallback route
|
maximumLoops: 2000,
|
|
// possible starting directions from an element
|
startDirections: ['left', 'right', 'top', 'bottom'],
|
|
// possible ending directions to an element
|
endDirections: ['left', 'right', 'top', 'bottom'],
|
|
// specify directions above
|
directionMap: {
|
right: { x: 1, y: 0 },
|
bottom: { x: 0, y: 1 },
|
left: { x: -1, y: 0 },
|
top: { x: 0, y: -1 }
|
},
|
|
// maximum change of the direction
|
maxAllowedDirectionChange: 90,
|
|
// padding applied on the element bounding boxes
|
paddingBox: function() {
|
|
var step = this.step;
|
|
return {
|
x: -step,
|
y: -step,
|
width: 2 * step,
|
height: 2 * step
|
};
|
},
|
|
// an array of directions to find next points on the route
|
directions: function() {
|
|
var step = this.step;
|
|
return [
|
{ offsetX: step , offsetY: 0 , cost: step },
|
{ offsetX: 0 , offsetY: step , cost: step },
|
{ offsetX: -step , offsetY: 0 , cost: step },
|
{ offsetX: 0 , offsetY: -step , cost: step }
|
];
|
},
|
|
// a penalty received for direction change
|
penalties: function() {
|
|
return {
|
0: 0,
|
45: this.step / 2,
|
90: this.step / 2
|
};
|
},
|
|
// a simple route used in situations, when main routing method fails
|
// (exceed loops, inaccessible).
|
fallbackRoute: function(from, to, opts) {
|
|
// Find an orthogonal route ignoring obstacles.
|
|
var point = ((opts.previousDirAngle || 0) % 180 === 0)
|
? g.point(from.x, to.y)
|
: g.point(to.x, from.y);
|
|
return [point, to];
|
},
|
|
// if a function is provided, it's used to route the link while dragging an end
|
// i.e. function(from, to, opts) { return []; }
|
draggingRoute: null
|
};
|
|
// Map of obstacles
|
// Helper structure to identify whether a point lies in an obstacle.
|
function ObstacleMap(opt) {
|
|
this.map = {};
|
this.options = opt;
|
// tells how to divide the paper when creating the elements map
|
this.mapGridSize = 100;
|
}
|
|
ObstacleMap.prototype.build = function(graph, link) {
|
|
var opt = this.options;
|
|
// source or target element could be excluded from set of obstacles
|
var excludedEnds = _.chain(opt.excludeEnds)
|
.map(link.get, link)
|
.pluck('id')
|
.map(graph.getCell, graph).value();
|
|
// Exclude any embedded elements from the source and the target element.
|
var excludedAncestors = [];
|
|
var source = graph.getCell(link.get('source').id);
|
if (source) {
|
excludedAncestors = _.union(excludedAncestors, _.map(source.getAncestors(), 'id'));
|
};
|
|
var target = graph.getCell(link.get('target').id);
|
if (target) {
|
excludedAncestors = _.union(excludedAncestors, _.map(target.getAncestors(), 'id'));
|
}
|
|
// builds a map of all elements for quicker obstacle queries (i.e. is a point contained
|
// in any obstacle?) (a simplified grid search)
|
// The paper is divided to smaller cells, where each of them holds an information which
|
// elements belong to it. When we query whether a point is in an obstacle we don't need
|
// to go through all obstacles, we check only those in a particular cell.
|
var mapGridSize = this.mapGridSize;
|
|
_.chain(graph.getElements())
|
// remove source and target element if required
|
.difference(excludedEnds)
|
// remove all elements whose type is listed in excludedTypes array
|
.reject(function(element) {
|
// reject any element which is an ancestor of either source or target
|
return _.contains(opt.excludeTypes, element.get('type')) || _.contains(excludedAncestors, element.id);
|
})
|
// change elements (models) to their bounding boxes
|
.invoke('getBBox')
|
// expand their boxes by specific padding
|
.invoke('moveAndExpand', opt.paddingBox)
|
// build the map
|
.foldl(function(map, bbox) {
|
|
var origin = bbox.origin().snapToGrid(mapGridSize);
|
var corner = bbox.corner().snapToGrid(mapGridSize);
|
|
for (var x = origin.x; x <= corner.x; x += mapGridSize) {
|
for (var y = origin.y; y <= corner.y; y += mapGridSize) {
|
|
var gridKey = x + '@' + y;
|
|
map[gridKey] = map[gridKey] || [];
|
map[gridKey].push(bbox);
|
}
|
}
|
|
return map;
|
|
}, this.map).value();
|
|
return this;
|
};
|
|
ObstacleMap.prototype.isPointAccessible = function(point) {
|
|
var mapKey = point.clone().snapToGrid(this.mapGridSize).toString();
|
|
return _.every(this.map[mapKey], function(obstacle) {
|
return !obstacle.containsPoint(point);
|
});
|
};
|
|
// Sorted Set
|
// Set of items sorted by given value.
|
function SortedSet() {
|
this.items = [];
|
this.hash = {};
|
this.values = {};
|
this.OPEN = 1;
|
this.CLOSE = 2;
|
}
|
|
SortedSet.prototype.add = function(item, value) {
|
|
if (this.hash[item]) {
|
// item removal
|
this.items.splice(this.items.indexOf(item), 1);
|
} else {
|
this.hash[item] = this.OPEN;
|
}
|
|
this.values[item] = value;
|
|
var index = _.sortedIndex(this.items, item, function(i) {
|
return this.values[i];
|
}, this);
|
|
this.items.splice(index, 0, item);
|
};
|
|
SortedSet.prototype.remove = function(item) {
|
this.hash[item] = this.CLOSE;
|
};
|
|
SortedSet.prototype.isOpen = function(item) {
|
return this.hash[item] === this.OPEN;
|
};
|
|
SortedSet.prototype.isClose = function(item) {
|
return this.hash[item] === this.CLOSE;
|
};
|
|
SortedSet.prototype.isEmpty = function() {
|
return this.items.length === 0;
|
};
|
|
SortedSet.prototype.pop = function() {
|
var item = this.items.shift();
|
this.remove(item);
|
return item;
|
};
|
|
// reconstructs a route by concating points with their parents
|
function reconstructRoute(parents, point) {
|
|
var route = [];
|
var prevDiff = { x: 0, y: 0 };
|
var current = point;
|
var parent;
|
|
while ((parent = parents[current])) {
|
|
var diff = parent.difference(current);
|
|
if (!diff.equals(prevDiff)) {
|
|
route.unshift(current);
|
prevDiff = diff;
|
}
|
|
current = parent;
|
}
|
|
route.unshift(current);
|
|
return route;
|
}
|
|
// find points around the rectangle taking given directions in the account
|
function getRectPoints(bbox, directionList, opt) {
|
|
var step = opt.step;
|
var center = bbox.center();
|
var startPoints = _.chain(opt.directionMap).pick(directionList).map(function(direction) {
|
|
var x = direction.x * bbox.width / 2;
|
var y = direction.y * bbox.height / 2;
|
|
var point = center.clone().offset(x, y);
|
|
if (bbox.containsPoint(point)) {
|
|
point.offset(direction.x * step, direction.y * step);
|
}
|
|
return point.snapToGrid(step);
|
|
}).value();
|
|
return startPoints;
|
};
|
|
// returns a direction index from start point to end point
|
function getDirectionAngle(start, end, dirLen) {
|
|
var q = 360 / dirLen;
|
return Math.floor(g.normalizeAngle(start.theta(end) + q / 2) / q) * q;
|
}
|
|
function getDirectionChange(angle1, angle2) {
|
|
var dirChange = Math.abs(angle1 - angle2);
|
return dirChange > 180 ? 360 - dirChange : dirChange;
|
}
|
|
// heurestic method to determine the distance between two points
|
function estimateCost(from, endPoints) {
|
|
var min = Infinity;
|
|
for (var i = 0, len = endPoints.length; i < len; i++) {
|
var cost = from.manhattanDistance(endPoints[i]);
|
if (cost < min) min = cost;
|
};
|
|
return min;
|
}
|
|
// finds the route between to points/rectangles implementing A* alghoritm
|
function findRoute(start, end, map, opt) {
|
|
var step = opt.step;
|
var startPoints, endPoints;
|
var startCenter, endCenter;
|
|
// set of points we start pathfinding from
|
if (start instanceof g.rect) {
|
startPoints = getRectPoints(start, opt.startDirections, opt);
|
startCenter = start.center();
|
} else {
|
startCenter = start.clone().snapToGrid(step);
|
startPoints = [startCenter];
|
}
|
|
// set of points we want the pathfinding to finish at
|
if (end instanceof g.rect) {
|
endPoints = getRectPoints(end, opt.endDirections, opt);
|
endCenter = end.center();
|
} else {
|
endCenter = end.clone().snapToGrid(step);
|
endPoints = [endCenter];
|
}
|
|
// take into account only accessible end points
|
startPoints = _.filter(startPoints, map.isPointAccessible, map);
|
endPoints = _.filter(endPoints, map.isPointAccessible, map);
|
|
// Check if there is a accessible end point.
|
// We would have to use a fallback route otherwise.
|
if (startPoints.length > 0 && endPoints.length > 0) {
|
|
// The set of tentative points to be evaluated, initially containing the start points.
|
var openSet = new SortedSet();
|
// Keeps reference to a point that is immediate predecessor of given element.
|
var parents = {};
|
// Cost from start to a point along best known path.
|
var costs = {};
|
|
_.each(startPoints, function(point) {
|
var key = point.toString();
|
openSet.add(key, estimateCost(point, endPoints));
|
costs[key] = 0;
|
});
|
|
// directions
|
var dir, dirChange;
|
var dirs = opt.directions;
|
var dirLen = dirs.length;
|
var loopsRemain = opt.maximumLoops;
|
var endPointsKeys = _.invoke(endPoints, 'toString');
|
|
// main route finding loop
|
while (!openSet.isEmpty() && loopsRemain > 0) {
|
|
// remove current from the open list
|
var currentKey = openSet.pop();
|
var currentPoint = g.point(currentKey);
|
var currentDist = costs[currentKey];
|
var previousDirAngle = currentDirAngle;
|
var currentDirAngle = parents[currentKey]
|
? getDirectionAngle(parents[currentKey], currentPoint, dirLen)
|
: opt.previousDirAngle != null ? opt.previousDirAngle : getDirectionAngle(startCenter, currentPoint, dirLen);
|
|
// Check if we reached any endpoint
|
if (endPointsKeys.indexOf(currentKey) >= 0) {
|
// We don't want to allow route to enter the end point in opposite direction.
|
dirChange = getDirectionChange(currentDirAngle, getDirectionAngle(currentPoint, endCenter, dirLen));
|
if (currentPoint.equals(endCenter) || dirChange < 180) {
|
opt.previousDirAngle = currentDirAngle;
|
return reconstructRoute(parents, currentPoint);
|
}
|
}
|
|
// Go over all possible directions and find neighbors.
|
for (var i = 0; i < dirLen; i++) {
|
|
dir = dirs[i];
|
dirChange = getDirectionChange(currentDirAngle, dir.angle);
|
// if the direction changed rapidly don't use this point
|
if (dirChange > opt.maxAllowedDirectionChange) {
|
continue;
|
}
|
|
var neighborPoint = currentPoint.clone().offset(dir.offsetX, dir.offsetY);
|
var neighborKey = neighborPoint.toString();
|
// Closed points from the openSet were already evaluated.
|
if (openSet.isClose(neighborKey) || !map.isPointAccessible(neighborPoint)) {
|
continue;
|
}
|
|
// The current direction is ok to proccess.
|
var costFromStart = currentDist + dir.cost + opt.penalties[dirChange];
|
|
if (!openSet.isOpen(neighborKey) || costFromStart < costs[neighborKey]) {
|
// neighbor point has not been processed yet or the cost of the path
|
// from start is lesser than previously calcluated.
|
parents[neighborKey] = currentPoint;
|
costs[neighborKey] = costFromStart;
|
openSet.add(neighborKey, costFromStart + estimateCost(neighborPoint, endPoints));
|
};
|
};
|
|
loopsRemain--;
|
}
|
}
|
|
// no route found ('to' point wasn't either accessible or finding route took
|
// way to much calculations)
|
return opt.fallbackRoute(startCenter, endCenter, opt);
|
}
|
|
// resolve some of the options
|
function resolveOptions(opt) {
|
|
opt.directions = _.result(opt, 'directions');
|
opt.penalties = _.result(opt, 'penalties');
|
opt.paddingBox = _.result(opt, 'paddingBox');
|
|
_.each(opt.directions, function(direction) {
|
|
var point1 = new g.point(0, 0);
|
var point2 = new g.point(direction.offsetX, direction.offsetY);
|
var angle = g.normalizeAngle(point1.theta(point2));
|
|
direction.angle = angle;
|
});
|
}
|
|
// initiation of the route finding
|
function router(vertices, opt) {
|
|
resolveOptions(opt);
|
|
// enable/disable linkView perpendicular option
|
this.options.perpendicular = !!opt.perpendicular;
|
|
// expand boxes by specific padding
|
var sourceBBox = g.rect(this.sourceBBox).moveAndExpand(opt.paddingBox);
|
var targetBBox = g.rect(this.targetBBox).moveAndExpand(opt.paddingBox);
|
|
// pathfinding
|
var map = (new ObstacleMap(opt)).build(this.paper.model, this.model);
|
var oldVertices = _.map(vertices, g.point);
|
var newVertices = [];
|
var tailPoint = sourceBBox.center().snapToGrid(opt.step);
|
|
// find a route by concating all partial routes (routes need to go through the vertices)
|
// startElement -> vertex[1] -> ... -> vertex[n] -> endElement
|
for (var i = 0, len = oldVertices.length; i <= len; i++) {
|
|
var partialRoute = null;
|
|
var from = to || sourceBBox;
|
var to = oldVertices[i];
|
|
if (!to) {
|
|
to = targetBBox;
|
|
// 'to' is not a vertex. If the target is a point (i.e. it's not an element), we
|
// might use dragging route instead of main routing method if that is enabled.
|
var endingAtPoint = !this.model.get('source').id || !this.model.get('target').id;
|
|
if (endingAtPoint && _.isFunction(opt.draggingRoute)) {
|
// Make sure we passing points only (not rects).
|
var dragFrom = from instanceof g.rect ? from.center() : from;
|
partialRoute = opt.draggingRoute(dragFrom, to.origin(), opt);
|
}
|
}
|
|
// if partial route has not been calculated yet use the main routing method to find one
|
partialRoute = partialRoute || findRoute(from, to, map, opt);
|
|
var leadPoint = _.first(partialRoute);
|
|
if (leadPoint && leadPoint.equals(tailPoint)) {
|
// remove the first point if the previous partial route had the same point as last
|
partialRoute.shift();
|
}
|
|
tailPoint = _.last(partialRoute) || tailPoint;
|
|
Array.prototype.push.apply(newVertices, partialRoute);
|
};
|
|
return newVertices;
|
}
|
|
// public function
|
return function(vertices, opt, linkView) {
|
|
return router.call(linkView, vertices, _.extend({}, config, opt));
|
};
|
|
})(g, _);
|
|
joint.routers.metro = (function() {
|
|
if (!_.isFunction(joint.routers.manhattan)) {
|
|
throw('Metro requires the manhattan router.');
|
}
|
|
var config = {
|
|
// cost of a diagonal step (calculated if not defined).
|
diagonalCost: null,
|
|
// an array of directions to find next points on the route
|
directions: function() {
|
|
var step = this.step;
|
var diagonalCost = this.diagonalCost || Math.ceil(Math.sqrt(step * step << 1));
|
|
return [
|
{ offsetX: step , offsetY: 0 , cost: step },
|
{ offsetX: step , offsetY: step , cost: diagonalCost },
|
{ offsetX: 0 , offsetY: step , cost: step },
|
{ offsetX: -step , offsetY: step , cost: diagonalCost },
|
{ offsetX: -step , offsetY: 0 , cost: step },
|
{ offsetX: -step , offsetY: -step , cost: diagonalCost },
|
{ offsetX: 0 , offsetY: -step , cost: step },
|
{ offsetX: step , offsetY: -step , cost: diagonalCost }
|
];
|
},
|
maxAllowedDirectionChange: 45,
|
// a simple route used in situations, when main routing method fails
|
// (exceed loops, inaccessible).
|
fallbackRoute: function(from, to, opts) {
|
|
// Find a route which breaks by 45 degrees ignoring all obstacles.
|
|
var theta = from.theta(to);
|
|
var a = { x: to.x, y: from.y };
|
var b = { x: from.x, y: to.y };
|
|
if (theta % 180 > 90) {
|
var t = a;
|
a = b;
|
b = t;
|
}
|
|
var p1 = (theta % 90) < 45 ? a : b;
|
|
var l1 = g.line(from, p1);
|
|
var alpha = 90 * Math.ceil(theta / 90);
|
|
var p2 = g.point.fromPolar(l1.squaredLength(), g.toRad(alpha + 135), p1);
|
|
var l2 = g.line(to, p2);
|
|
var point = l1.intersection(l2);
|
|
return point ? [point.round(), to] : [to];
|
}
|
};
|
|
// public function
|
return function(vertices, opts, linkView) {
|
|
return joint.routers.manhattan(vertices, _.extend({}, config, opts), linkView);
|
};
|
|
})();
|
|
// Does not make any changes to vertices.
|
// Returns the arguments that are passed to it, unchanged.
|
joint.routers.normal = function(vertices, opt, linkView) {
|
|
return vertices;
|
};
|
|
// Routes the link always to/from a certain side
|
//
|
// Arguments:
|
// padding ... gap between the element and the first vertex. :: Default 40.
|
// side ... 'left' | 'right' | 'top' | 'bottom' :: Default 'bottom'.
|
//
|
joint.routers.oneSide = function(vertices, opt, linkView) {
|
|
var side = opt.side || 'bottom';
|
var padding = opt.padding || 40;
|
|
// LinkView contains cached source an target bboxes.
|
// Note that those are Geometry rectangle objects.
|
var sourceBBox = linkView.sourceBBox;
|
var targetBBox = linkView.targetBBox;
|
var sourcePoint = sourceBBox.center();
|
var targetPoint = targetBBox.center();
|
|
var coordinate, coordinateValue, dimension, direction;
|
|
switch (side) {
|
case 'bottom':
|
direction = 1;
|
coordinate = 'y';
|
dimension = 'height';
|
break;
|
case 'top':
|
direction = -1;
|
coordinate = 'y';
|
dimension = 'height';
|
break;
|
case 'left':
|
direction = -1;
|
coordinate = 'x';
|
dimension = 'width';
|
break;
|
case 'right':
|
direction = 1;
|
coordinate = 'x';
|
dimension = 'width';
|
break;
|
default:
|
throw new Error('Router: invalid side');
|
}
|
|
// move the points from the center of the element to outside of it.
|
sourcePoint[coordinate] += direction * (sourceBBox[dimension] / 2 + padding);
|
targetPoint[coordinate] += direction * (targetBBox[dimension] / 2 + padding);
|
|
// make link orthogonal (at least the first and last vertex).
|
if (direction * (sourcePoint[coordinate] - targetPoint[coordinate]) > 0) {
|
targetPoint[coordinate] = sourcePoint[coordinate];
|
} else {
|
sourcePoint[coordinate] = targetPoint[coordinate];
|
}
|
|
return [sourcePoint].concat(vertices, targetPoint);
|
};
|
|
joint.routers.orthogonal = (function() {
|
|
// bearing -> opposite bearing
|
var opposite = {
|
N: 'S',
|
S: 'N',
|
E: 'W',
|
W: 'E'
|
};
|
|
// bearing -> radians
|
var radians = {
|
N: -Math.PI / 2 * 3,
|
S: -Math.PI / 2,
|
E: 0,
|
W: Math.PI
|
};
|
|
// HELPERS //
|
|
// simple bearing method (calculates only orthogonal cardinals)
|
function bearing(from, to) {
|
if (from.x == to.x) return from.y > to.y ? 'N' : 'S';
|
if (from.y == to.y) return from.x > to.x ? 'W' : 'E';
|
return null;
|
}
|
|
// returns either width or height of a bbox based on the given bearing
|
function boxSize(bbox, brng) {
|
return bbox[brng == 'W' || brng == 'E' ? 'width' : 'height'];
|
}
|
|
// expands a box by specific value
|
function expand(bbox, val) {
|
return g.rect(bbox).moveAndExpand({ x: -val, y: -val, width: 2 * val, height: 2 * val });
|
}
|
|
// transform point to a rect
|
function pointBox(p) {
|
return g.rect(p.x, p.y, 0, 0);
|
}
|
|
// returns a minimal rect which covers the given boxes
|
function boundary(bbox1, bbox2) {
|
|
var x1 = Math.min(bbox1.x, bbox2.x);
|
var y1 = Math.min(bbox1.y, bbox2.y);
|
var x2 = Math.max(bbox1.x + bbox1.width, bbox2.x + bbox2.width);
|
var y2 = Math.max(bbox1.y + bbox1.height, bbox2.y + bbox2.height);
|
|
return g.rect(x1, y1, x2 - x1, y2 - y1);
|
}
|
|
// returns a point `p` where lines p,p1 and p,p2 are perpendicular and p is not contained
|
// in the given box
|
function freeJoin(p1, p2, bbox) {
|
|
var p = g.point(p1.x, p2.y);
|
if (bbox.containsPoint(p)) p = g.point(p2.x, p1.y);
|
// kept for reference
|
// if (bbox.containsPoint(p)) p = null;
|
return p;
|
}
|
|
// PARTIAL ROUTERS //
|
|
function vertexVertex(from, to, brng) {
|
|
var p1 = g.point(from.x, to.y);
|
var p2 = g.point(to.x, from.y);
|
var d1 = bearing(from, p1);
|
var d2 = bearing(from, p2);
|
var xBrng = opposite[brng];
|
|
var p = (d1 == brng || (d1 != xBrng && (d2 == xBrng || d2 != brng))) ? p1 : p2;
|
|
return { points: [p], direction: bearing(p, to) };
|
}
|
|
function elementVertex(from, to, fromBBox) {
|
|
var p = freeJoin(from, to, fromBBox);
|
|
return { points: [p], direction: bearing(p, to) };
|
}
|
|
function vertexElement(from, to, toBBox, brng) {
|
|
var route = {};
|
|
var pts = [g.point(from.x, to.y), g.point(to.x, from.y)];
|
var freePts = _.filter(pts, function(pt) { return !toBBox.containsPoint(pt); });
|
var freeBrngPts = _.filter(freePts, function(pt) { return bearing(pt, from) != brng; });
|
|
var p;
|
|
if (freeBrngPts.length > 0) {
|
|
// try to pick a point which bears the same direction as the previous segment
|
p = _.filter(freeBrngPts, function(pt) { return bearing(from, pt) == brng; }).pop();
|
p = p || freeBrngPts[0];
|
|
route.points = [p];
|
route.direction = bearing(p, to);
|
|
} else {
|
|
// Here we found only points which are either contained in the element or they would create
|
// a link segment going in opposite direction from the previous one.
|
// We take the point inside element and move it outside the element in the direction the
|
// route is going. Now we can join this point with the current end (using freeJoin).
|
|
p = _.difference(pts, freePts)[0];
|
|
var p2 = g.point(to).move(p, -boxSize(toBBox, brng) / 2);
|
var p1 = freeJoin(p2, from, toBBox);
|
|
route.points = [p1, p2];
|
route.direction = bearing(p2, to);
|
}
|
|
return route;
|
}
|
|
function elementElement(from, to, fromBBox, toBBox) {
|
|
var route = elementVertex(to, from, toBBox);
|
var p1 = route.points[0];
|
|
if (fromBBox.containsPoint(p1)) {
|
|
route = elementVertex(from, to, fromBBox);
|
var p2 = route.points[0];
|
|
if (toBBox.containsPoint(p2)) {
|
|
var fromBorder = g.point(from).move(p2, -boxSize(fromBBox, bearing(from, p2)) / 2);
|
var toBorder = g.point(to).move(p1, -boxSize(toBBox, bearing(to, p1)) / 2);
|
var mid = g.line(fromBorder, toBorder).midpoint();
|
|
var startRoute = elementVertex(from, mid, fromBBox);
|
var endRoute = vertexVertex(mid, to, startRoute.direction);
|
|
route.points = [startRoute.points[0], endRoute.points[0]];
|
route.direction = endRoute.direction;
|
}
|
}
|
|
return route;
|
}
|
|
// Finds route for situations where one of end is inside the other.
|
// Typically the route is conduct outside the outer element first and
|
// let go back to the inner element.
|
function insideElement(from, to, fromBBox, toBBox, brng) {
|
|
var route = {};
|
var bndry = expand(boundary(fromBBox, toBBox), 1);
|
|
// start from the point which is closer to the boundary
|
var reversed = bndry.center().distance(to) > bndry.center().distance(from);
|
var start = reversed ? to : from;
|
var end = reversed ? from : to;
|
|
var p1, p2, p3;
|
|
if (brng) {
|
// Points on circle with radius equals 'W + H` are always outside the rectangle
|
// with width W and height H if the center of that circle is the center of that rectangle.
|
p1 = g.point.fromPolar(bndry.width + bndry.height, radians[brng], start);
|
p1 = bndry.pointNearestToPoint(p1).move(p1, -1);
|
} else {
|
p1 = bndry.pointNearestToPoint(start).move(start, 1);
|
}
|
|
p2 = freeJoin(p1, end, bndry);
|
|
if (p1.round().equals(p2.round())) {
|
p2 = g.point.fromPolar(bndry.width + bndry.height, g.toRad(p1.theta(start)) + Math.PI / 2, end);
|
p2 = bndry.pointNearestToPoint(p2).move(end, 1).round();
|
p3 = freeJoin(p1, p2, bndry);
|
route.points = reversed ? [p2, p3, p1] : [p1, p3, p2];
|
} else {
|
route.points = reversed ? [p2, p1] : [p1, p2];
|
}
|
|
route.direction = reversed ? bearing(p1, to) : bearing(p2, to);
|
|
return route;
|
}
|
|
// MAIN ROUTER //
|
|
// Return points that one needs to draw a connection through in order to have a orthogonal link
|
// routing from source to target going through `vertices`.
|
function findOrthogonalRoute(vertices, opt, linkView) {
|
|
var padding = opt.elementPadding || 20;
|
|
var orthogonalVertices = [];
|
var sourceBBox = expand(linkView.sourceBBox, padding);
|
var targetBBox = expand(linkView.targetBBox, padding);
|
|
vertices = _.map(vertices, g.point);
|
vertices.unshift(sourceBBox.center());
|
vertices.push(targetBBox.center());
|
|
var brng;
|
|
for (var i = 0, max = vertices.length - 1; i < max; i++) {
|
|
var route = null;
|
var from = vertices[i];
|
var to = vertices[i + 1];
|
var isOrthogonal = !!bearing(from, to);
|
|
if (i == 0) {
|
|
if (i + 1 == max) { // route source -> target
|
|
// Expand one of elements by 1px so we detect also situations when they
|
// are positioned one next other with no gap between.
|
if (sourceBBox.intersect(expand(targetBBox, 1))) {
|
route = insideElement(from, to, sourceBBox, targetBBox);
|
} else if (!isOrthogonal) {
|
route = elementElement(from, to, sourceBBox, targetBBox);
|
}
|
|
} else { // route source -> vertex
|
|
if (sourceBBox.containsPoint(to)) {
|
route = insideElement(from, to, sourceBBox, expand(pointBox(to), padding));
|
} else if (!isOrthogonal) {
|
route = elementVertex(from, to, sourceBBox);
|
}
|
}
|
|
} else if (i + 1 == max) { // route vertex -> target
|
|
var orthogonalLoop = isOrthogonal && bearing(to, from) == brng;
|
|
if (targetBBox.containsPoint(from) || orthogonalLoop) {
|
route = insideElement(from, to, expand(pointBox(from), padding), targetBBox, brng);
|
} else if (!isOrthogonal) {
|
route = vertexElement(from, to, targetBBox, brng);
|
}
|
|
} else if (!isOrthogonal) { // route vertex -> vertex
|
route = vertexVertex(from, to, brng);
|
}
|
|
if (route) {
|
Array.prototype.push.apply(orthogonalVertices, route.points);
|
brng = route.direction;
|
} else {
|
// orthogonal route and not looped
|
brng = bearing(from, to);
|
}
|
|
if (i + 1 < max) {
|
orthogonalVertices.push(to);
|
}
|
}
|
|
return orthogonalVertices;
|
};
|
|
return findOrthogonalRoute;
|
|
})();
|
|
joint.connectors.normal = function(sourcePoint, targetPoint, vertices) {
|
|
// Construct the `d` attribute of the `<path>` element.
|
var d = ['M', sourcePoint.x, sourcePoint.y];
|
|
_.each(vertices, function(vertex) {
|
|
d.push(vertex.x, vertex.y);
|
});
|
|
d.push(targetPoint.x, targetPoint.y);
|
|
return d.join(' ');
|
};
|
|
joint.connectors.rounded = function(sourcePoint, targetPoint, vertices, opts) {
|
|
opts = opts || {};
|
|
var offset = opts.radius || 10;
|
|
var c1, c2, d1, d2, prev, next;
|
|
// Construct the `d` attribute of the `<path>` element.
|
var d = ['M', sourcePoint.x, sourcePoint.y];
|
|
_.each(vertices, function(vertex, index) {
|
|
// the closest vertices
|
prev = vertices[index - 1] || sourcePoint;
|
next = vertices[index + 1] || targetPoint;
|
|
// a half distance to the closest vertex
|
d1 = d2 || g.point(vertex).distance(prev) / 2;
|
d2 = g.point(vertex).distance(next) / 2;
|
|
// control points
|
c1 = g.point(vertex).move(prev, -Math.min(offset, d1)).round();
|
c2 = g.point(vertex).move(next, -Math.min(offset, d2)).round();
|
|
d.push(c1.x, c1.y, 'S', vertex.x, vertex.y, c2.x, c2.y, 'L');
|
});
|
|
d.push(targetPoint.x, targetPoint.y);
|
|
return d.join(' ');
|
};
|
|
joint.connectors.smooth = function(sourcePoint, targetPoint, vertices) {
|
|
var d;
|
|
if (vertices.length) {
|
|
d = g.bezier.curveThroughPoints([sourcePoint].concat(vertices).concat([targetPoint]));
|
|
} else {
|
// if we have no vertices use a default cubic bezier curve, cubic bezier requires
|
// two control points. The two control points are both defined with X as mid way
|
// between the source and target points. SourceControlPoint Y is equal to sourcePoint Y
|
// and targetControlPointY being equal to targetPointY. Handle situation were
|
// sourcePointX is greater or less then targetPointX.
|
var controlPointX = (sourcePoint.x < targetPoint.x)
|
? targetPoint.x - ((targetPoint.x - sourcePoint.x) / 2)
|
: sourcePoint.x - ((sourcePoint.x - targetPoint.x) / 2);
|
|
d = [
|
'M', sourcePoint.x, sourcePoint.y,
|
'C', controlPointX, sourcePoint.y, controlPointX, targetPoint.y,
|
targetPoint.x, targetPoint.y
|
];
|
}
|
|
return d.join(' ');
|
};
|
|
joint.connectors.jumpover = (function(_, g) {
|
|
// default size of jump if not specified in options
|
var JUMP_SIZE = 5;
|
|
// available jump types
|
var JUMP_TYPES = ['arc', 'gap', 'cubic'];
|
|
// takes care of math. error for case when jump is too close to end of line
|
var CLOSE_PROXIMITY_PADDING = 1;
|
|
// list of connector types not to jump over.
|
var IGNORED_CONNECTORS = ['smooth'];
|
|
/**
|
* Transform start/end and vertices into series of lines
|
* @param {g.point} sourcePoint start point
|
* @param {g.point} targetPoint end point
|
* @param {g.point[]} vertices optional list of vertices
|
* @return {g.line[]} [description]
|
*/
|
function createLines(sourcePoint, targetPoint, vertices) {
|
// make a flattened array of all points
|
var points = [].concat(sourcePoint, vertices, targetPoint);
|
return points.reduce(function(resultLines, point, idx) {
|
// if there is a next point, make a line with it
|
var nextPoint = points[idx + 1];
|
if (nextPoint != null) {
|
resultLines[idx] = g.line(point, nextPoint);
|
}
|
return resultLines;
|
}, []);
|
}
|
|
function setupUpdating(jumpOverLinkView) {
|
var updateList = jumpOverLinkView.paper._jumpOverUpdateList;
|
|
// first time setup for this paper
|
if (updateList == null) {
|
updateList = jumpOverLinkView.paper._jumpOverUpdateList = [];
|
jumpOverLinkView.paper.on('cell:pointerup', updateJumpOver);
|
jumpOverLinkView.paper.model.on('reset', function() {
|
updateList = [];
|
});
|
}
|
|
// add this link to a list so it can be updated when some other link is updated
|
if (updateList.indexOf(jumpOverLinkView) < 0) {
|
updateList.push(jumpOverLinkView);
|
|
// watch for change of connector type or removal of link itself
|
// to remove the link from a list of jump over connectors
|
jumpOverLinkView.listenToOnce(jumpOverLinkView.model, 'change:connector remove', function() {
|
updateList.splice(updateList.indexOf(jumpOverLinkView), 1);
|
});
|
}
|
}
|
|
/**
|
* Handler for a batch:stop event to force
|
* update of all registered links with jump over connector
|
* @param {object} batchEvent optional object with info about batch
|
*/
|
function updateJumpOver() {
|
var updateList = this._jumpOverUpdateList;
|
for (var i = 0; i < updateList.length; i++) {
|
updateList[i].update();
|
}
|
}
|
|
/**
|
* Utility function to collect all intersection poinst of a single
|
* line against group of other lines.
|
* @param {g.line} line where to find points
|
* @param {g.line[]} crossCheckLines lines to cross
|
* @return {g.point[]} list of intersection points
|
*/
|
function findLineIntersections(line, crossCheckLines) {
|
return _(crossCheckLines).map(function(crossCheckLine) {
|
return line.intersection(crossCheckLine);
|
}).compact().value();
|
}
|
|
/**
|
* Sorting function for list of points by their distance.
|
* @param {g.point} p1 first point
|
* @param {g.point} p2 second point
|
* @return {number} squared distance between points
|
*/
|
function sortPoints(p1, p2) {
|
return g.line(p1, p2).squaredLength();
|
}
|
|
/**
|
* Split input line into multiple based on intersection points.
|
* @param {g.line} line input line to split
|
* @param {g.point[]} intersections poinst where to split the line
|
* @param {number} jumpSize the size of jump arc (length empty spot on a line)
|
* @return {g.line[]} list of lines being split
|
*/
|
function createJumps(line, intersections, jumpSize) {
|
return intersections.reduce(function(resultLines, point, idx) {
|
// skipping points that were merged with the previous line
|
// to make bigger arc over multiple lines that are close to each other
|
if (point.skip === true) {
|
return resultLines;
|
}
|
|
// always grab the last line from buffer and modify it
|
var lastLine = resultLines.pop() || line;
|
|
// calculate start and end of jump by moving by a given size of jump
|
var jumpStart = g.point(point).move(lastLine.start, -(jumpSize));
|
var jumpEnd = g.point(point).move(lastLine.start, +(jumpSize));
|
|
// now try to look at the next intersection point
|
var nextPoint = intersections[idx + 1];
|
if (nextPoint != null) {
|
var distance = jumpEnd.distance(nextPoint);
|
if (distance <= jumpSize) {
|
// next point is close enough, move the jump end by this
|
// difference and mark the next point to be skipped
|
jumpEnd = nextPoint.move(lastLine.start, distance);
|
nextPoint.skip = true;
|
}
|
} else {
|
// this block is inside of `else` as an optimization so the distance is
|
// not calculated when we know there are no other intersection points
|
var endDistance = jumpStart.distance(lastLine.end);
|
// if the end is too close to possible jump, draw remaining line instead of a jump
|
if (endDistance < jumpSize * 2 + CLOSE_PROXIMITY_PADDING) {
|
resultLines.push(lastLine);
|
return resultLines;
|
}
|
}
|
|
var startDistance = jumpEnd.distance(lastLine.start);
|
if (startDistance < jumpSize * 2 + CLOSE_PROXIMITY_PADDING) {
|
// if the start of line is too close to jump, draw that line instead of a jump
|
resultLines.push(lastLine);
|
return resultLines;
|
}
|
|
// finally create a jump line
|
var jumpLine = g.line(jumpStart, jumpEnd);
|
// it's just simple line but with a `isJump` property
|
jumpLine.isJump = true;
|
|
resultLines.push(
|
g.line(lastLine.start, jumpStart),
|
jumpLine,
|
g.line(jumpEnd, lastLine.end)
|
);
|
return resultLines;
|
}, []);
|
}
|
|
/**
|
* Assemble `D` attribute of a SVG path by iterating given lines.
|
* @param {g.line[]} lines source lines to use
|
* @param {number} jumpSize the size of jump arc (length empty spot on a line)
|
* @return {string}
|
*/
|
function buildPath(lines, jumpSize, jumpType) {
|
// first move to the start of a first line
|
var start = ['M', lines[0].start.x, lines[0].start.y];
|
|
// make a paths from lines
|
var paths = _(lines).map(function(line) {
|
if (line.isJump) {
|
var diff;
|
if (jumpType === 'arc') {
|
diff = line.start.difference(line.end);
|
// determine rotation of arc based on difference between points
|
var xAxisRotate = Number(diff.x < 0 && diff.y < 0);
|
// for a jump line we create an arc instead
|
return ['A', jumpSize, jumpSize, 0, 0, xAxisRotate, line.end.x, line.end.y];
|
} else if (jumpType === 'gap') {
|
return ['M', line.end.x, line.end.y];
|
} else if (jumpType === 'cubic') {
|
diff = line.start.difference(line.end);
|
var angle = line.start.theta(line.end);
|
var xOffset = jumpSize * 0.6;
|
var yOffset = jumpSize * 1.35;
|
// determine rotation of curve based on difference between points
|
if (diff.x < 0 && diff.y < 0) {
|
yOffset *= -1;
|
}
|
var controlStartPoint = g.point(line.start.x + xOffset, line.start.y + yOffset).rotate(line.start, angle);
|
var controlEndPoint = g.point(line.end.x - xOffset, line.end.y + yOffset).rotate(line.end, angle);
|
// create a cubic bezier curve
|
return ['C', controlStartPoint.x, controlStartPoint.y, controlEndPoint.x, controlEndPoint.y, line.end.x, line.end.y];
|
}
|
}
|
return ['L', line.end.x, line.end.y];
|
}).flatten().value();
|
|
return [].concat(start, paths).join(' ');
|
}
|
|
/**
|
* Actual connector function that will be run on every update.
|
* @param {g.point} sourcePoint start point of this link
|
* @param {g.point} targetPoint end point of this link
|
* @param {g.point[]} vertices of this link
|
* @param {object} opts options
|
* @property {number} size optional size of a jump arc
|
* @return {string} created `D` attribute of SVG path
|
*/
|
return function(sourcePoint, targetPoint, vertices, opts) { // eslint-disable-line max-params
|
|
setupUpdating(this);
|
|
var jumpSize = opts.size || JUMP_SIZE;
|
var jumpType = opts.jump && ('' + opts.jump).toLowerCase();
|
var ignoreConnectors = opts.ignoreConnectors || IGNORED_CONNECTORS;
|
|
// grab the first jump type as a default if specified one is invalid
|
if (JUMP_TYPES.indexOf(jumpType) === -1) {
|
jumpType = JUMP_TYPES[0];
|
}
|
|
var paper = this.paper;
|
var graph = paper.model;
|
var allLinks = graph.getLinks();
|
|
// there is just one link, draw it directly
|
if (allLinks.length === 1) {
|
return buildPath(
|
createLines(sourcePoint, targetPoint, vertices),
|
jumpSize, jumpType
|
);
|
}
|
|
var thisModel = this.model;
|
var thisIndex = allLinks.indexOf(thisModel);
|
var defaultConnector = paper.options.defaultConnector || {};
|
|
// not all links are meant to be jumped over.
|
var links = allLinks.filter(function(link, idx) {
|
|
var connector = link.get('connector') || defaultConnector;
|
|
// avoid jumping over links with connector type listed in `ignored connectors`.
|
if (_.contains(ignoreConnectors, connector.name)) {
|
return false;
|
}
|
// filter out links that are above this one and have the same connector type
|
// otherwise there would double hoops for each intersection
|
if (idx > thisIndex) {
|
return connector.name !== 'jumpover';
|
}
|
return true;
|
});
|
|
// find views for all links
|
var linkViews = links.map(function(link) {
|
return paper.findViewByModel(link);
|
});
|
|
// create lines for this link
|
var thisLines = createLines(
|
sourcePoint,
|
targetPoint,
|
vertices
|
);
|
|
// create lines for all other links
|
var linkLines = linkViews.map(function(linkView) {
|
if (linkView == null) {
|
return [];
|
}
|
if (linkView === this) {
|
return thisLines;
|
}
|
return createLines(
|
linkView.sourcePoint,
|
linkView.targetPoint,
|
linkView.route
|
);
|
}, this);
|
|
// transform lines for this link by splitting with jump lines at
|
// points of intersection with other links
|
var jumpingLines = thisLines.reduce(function(resultLines, thisLine) {
|
// iterate all links and grab the intersections with this line
|
// these are then sorted by distance so the line can be split more easily
|
var intersections = _(links).map(function(link, i) {
|
// don't intersection with itself
|
if (link === thisModel) {
|
return null;
|
}
|
return findLineIntersections(thisLine, linkLines[i]);
|
}).flatten().compact().sortBy(_.partial(sortPoints, thisLine.start)).value();
|
|
if (intersections.length > 0) {
|
// split the line based on found intersection points
|
resultLines.push.apply(resultLines, createJumps(thisLine, intersections, jumpSize));
|
} else {
|
// without any intersection the line goes uninterrupted
|
resultLines.push(thisLine);
|
}
|
return resultLines;
|
}, []);
|
|
return buildPath(jumpingLines, jumpSize, jumpType);
|
};
|
}(_, g));
|
|
joint.highlighters.addClass = {
|
|
className: 'highlighted',
|
|
highlight: function(cellView, magnetEl, opt) {
|
var className = opt.className || this.className;
|
V(magnetEl).addClass(className);
|
},
|
|
unhighlight: function(cellView, magnetEl, opt) {
|
var className = opt.className || this.className;
|
V(magnetEl).removeClass(className);
|
}
|
};
|
|
joint.highlighters.opacity = {
|
|
highlight: function(cellView, magnetEl, opt) {
|
|
V(magnetEl).addClass('joint-highlight-opacity');
|
},
|
|
unhighlight: function(cellView, magnetEl, opt) {
|
|
V(magnetEl).removeClass('joint-highlight-opacity');
|
}
|
};
|
|
joint.highlighters.stroke = {
|
|
defaultOptions: {
|
padding: 3,
|
rx: 0,
|
ry: 0
|
},
|
|
_views: {},
|
|
highlight: function(cellView, magnetEl, opt) {
|
|
// Only highlight once.
|
if (this._views[magnetEl.id]) return;
|
|
opt = _.defaults(opt || {}, this.defaultOptions);
|
|
var magnetVel = V(magnetEl);
|
var magnetBBox = magnetVel.bbox(true/* without transforms */);
|
|
try {
|
|
var pathData = magnetVel.convertToPathData();
|
|
} catch (error) {
|
|
// Failed to get path data from magnet element.
|
// Draw a rectangle around the entire cell view instead.
|
pathData = V.rectToPath(_.extend({}, opt, magnetBBox));
|
}
|
|
var highlightVel = V('path').attr({
|
d: pathData,
|
'class': 'joint-highlight-stroke',
|
'pointer-events': 'none'
|
});
|
|
highlightVel.transform(cellView.el.getCTM().inverse());
|
highlightVel.transform(magnetEl.getCTM());
|
|
var padding = opt.padding;
|
if (padding) {
|
|
// Add padding to the highlight element.
|
var cx = magnetBBox.x + (magnetBBox.width / 2);
|
var cy = magnetBBox.y + (magnetBBox.height / 2);
|
var sx = (magnetBBox.width + padding) / magnetBBox.width;
|
var sy = (magnetBBox.height + padding) / magnetBBox.height;
|
highlightVel.transform({
|
a: sx,
|
b: 0,
|
c: 0,
|
d: sy,
|
e: cx - sx * cx,
|
f: cy - sy * cy
|
});
|
}
|
|
// This will handle the joint-theme-* class name for us.
|
var highlightView = this._views[magnetEl.id] = new joint.mvc.View({
|
// This is necessary because we're passing in a vectorizer element (not jQuery).
|
el: highlightVel.node,
|
$el: highlightVel
|
});
|
|
// Remove the highlight view when the cell is removed from the graph.
|
highlightView.listenTo(cellView.model, 'remove', highlightView.remove);
|
|
cellView.vel.append(highlightVel);
|
},
|
|
unhighlight: function(cellView, magnetEl, opt) {
|
|
opt = _.defaults(opt || {}, this.defaultOptions);
|
|
if (this._views[magnetEl.id]) {
|
this._views[magnetEl.id].remove();
|
this._views[magnetEl.id] = null;
|
}
|
}
|
};
|
|
// JointJS library.
|
// (c) 2011-2013 client IO
|
|
joint.shapes.erd = {};
|
|
joint.shapes.erd.Entity = joint.dia.Element.extend({
|
|
markup: '<g class="rotatable"><g class="scalable"><polygon class="outer"/><polygon class="inner"/></g><text/></g>',
|
|
defaults: joint.util.deepSupplement({
|
|
type: 'erd.Entity',
|
size: { width: 150, height: 60 },
|
attrs: {
|
'.outer': {
|
fill: '#2ECC71', stroke: '#27AE60', 'stroke-width': 2,
|
points: '100,0 100,60 0,60 0,0'
|
},
|
'.inner': {
|
fill: '#2ECC71', stroke: '#27AE60', 'stroke-width': 2,
|
points: '95,5 95,55 5,55 5,5',
|
display: 'none'
|
},
|
text: {
|
text: 'Entity',
|
'font-family': 'Arial', 'font-size': 14,
|
ref: '.outer', 'ref-x': .5, 'ref-y': .5,
|
'x-alignment': 'middle', 'y-alignment': 'middle'
|
}
|
}
|
|
}, joint.dia.Element.prototype.defaults)
|
});
|
|
joint.shapes.erd.WeakEntity = joint.shapes.erd.Entity.extend({
|
|
defaults: joint.util.deepSupplement({
|
|
type: 'erd.WeakEntity',
|
|
attrs: {
|
'.inner' : { display: 'auto' },
|
text: { text: 'Weak Entity' }
|
}
|
|
}, joint.shapes.erd.Entity.prototype.defaults)
|
});
|
|
joint.shapes.erd.Relationship = joint.dia.Element.extend({
|
|
markup: '<g class="rotatable"><g class="scalable"><polygon class="outer"/><polygon class="inner"/></g><text/></g>',
|
|
defaults: joint.util.deepSupplement({
|
|
type: 'erd.Relationship',
|
size: { width: 80, height: 80 },
|
attrs: {
|
'.outer': {
|
fill: '#3498DB', stroke: '#2980B9', 'stroke-width': 2,
|
points: '40,0 80,40 40,80 0,40'
|
},
|
'.inner': {
|
fill: '#3498DB', stroke: '#2980B9', 'stroke-width': 2,
|
points: '40,5 75,40 40,75 5,40',
|
display: 'none'
|
},
|
text: {
|
text: 'Relationship',
|
'font-family': 'Arial', 'font-size': 12,
|
ref: '.', 'ref-x': .5, 'ref-y': .5,
|
'x-alignment': 'middle', 'y-alignment': 'middle'
|
}
|
}
|
|
}, joint.dia.Element.prototype.defaults)
|
});
|
|
joint.shapes.erd.IdentifyingRelationship = joint.shapes.erd.Relationship.extend({
|
|
defaults: joint.util.deepSupplement({
|
|
type: 'erd.IdentifyingRelationship',
|
|
attrs: {
|
'.inner': { display: 'auto' },
|
text: { text: 'Identifying' }
|
}
|
|
}, joint.shapes.erd.Relationship.prototype.defaults)
|
});
|
|
joint.shapes.erd.Attribute = joint.dia.Element.extend({
|
|
markup: '<g class="rotatable"><g class="scalable"><ellipse class="outer"/><ellipse class="inner"/></g><text/></g>',
|
|
defaults: joint.util.deepSupplement({
|
|
type: 'erd.Attribute',
|
size: { width: 100, height: 50 },
|
attrs: {
|
'ellipse': {
|
transform: 'translate(50, 25)'
|
},
|
'.outer': {
|
stroke: '#D35400', 'stroke-width': 2,
|
cx: 0, cy: 0, rx: 50, ry: 25,
|
fill: '#E67E22'
|
},
|
'.inner': {
|
stroke: '#D35400', 'stroke-width': 2,
|
cx: 0, cy: 0, rx: 45, ry: 20,
|
fill: '#E67E22', display: 'none'
|
},
|
text: {
|
'font-family': 'Arial', 'font-size': 14,
|
ref: '.', 'ref-x': .5, 'ref-y': .5,
|
'x-alignment': 'middle', 'y-alignment': 'middle'
|
}
|
}
|
|
}, joint.dia.Element.prototype.defaults)
|
|
});
|
|
joint.shapes.erd.Multivalued = joint.shapes.erd.Attribute.extend({
|
|
defaults: joint.util.deepSupplement({
|
|
type: 'erd.Multivalued',
|
|
attrs: {
|
'.inner': { display: 'block' },
|
text: { text: 'multivalued' }
|
}
|
}, joint.shapes.erd.Attribute.prototype.defaults)
|
});
|
|
joint.shapes.erd.Derived = joint.shapes.erd.Attribute.extend({
|
|
defaults: joint.util.deepSupplement({
|
|
type: 'erd.Derived',
|
|
attrs: {
|
'.outer': { 'stroke-dasharray': '3,5' },
|
text: { text: 'derived' }
|
}
|
|
}, joint.shapes.erd.Attribute.prototype.defaults)
|
});
|
|
joint.shapes.erd.Key = joint.shapes.erd.Attribute.extend({
|
|
defaults: joint.util.deepSupplement({
|
|
type: 'erd.Key',
|
|
attrs: {
|
ellipse: { 'stroke-width': 4 },
|
text: { text: 'key', 'font-weight': '800', 'text-decoration': 'underline' }
|
}
|
}, joint.shapes.erd.Attribute.prototype.defaults)
|
});
|
|
joint.shapes.erd.Normal = joint.shapes.erd.Attribute.extend({
|
|
defaults: joint.util.deepSupplement({
|
|
type: 'erd.Normal',
|
|
attrs: { text: { text: 'Normal' }}
|
|
}, joint.shapes.erd.Attribute.prototype.defaults)
|
});
|
|
joint.shapes.erd.ISA = joint.dia.Element.extend({
|
|
markup: '<g class="rotatable"><g class="scalable"><polygon/></g><text/></g>',
|
|
defaults: joint.util.deepSupplement({
|
|
type: 'erd.ISA',
|
size: { width: 100, height: 50 },
|
attrs: {
|
polygon: {
|
points: '0,0 50,50 100,0',
|
fill: '#F1C40F', stroke: '#F39C12', 'stroke-width': 2
|
},
|
text: {
|
text: 'ISA', 'font-size': 18,
|
ref: 'polygon', 'ref-x': .5, 'ref-y': .3,
|
'x-alignment': 'middle', 'y-alignment': 'middle'
|
}
|
}
|
|
}, joint.dia.Element.prototype.defaults)
|
|
});
|
|
joint.shapes.erd.Line = joint.dia.Link.extend({
|
|
defaults: { type: 'erd.Line' },
|
|
cardinality: function(value) {
|
this.set('labels', [{ position: -20, attrs: { text: { dy: -8, text: value }}}]);
|
}
|
});
|
|
joint.shapes.fsa = {};
|
|
joint.shapes.fsa.State = joint.shapes.basic.Circle.extend({
|
defaults: joint.util.deepSupplement({
|
type: 'fsa.State',
|
attrs: {
|
circle: { 'stroke-width': 3 },
|
text: { 'font-weight': '800' }
|
}
|
}, joint.shapes.basic.Circle.prototype.defaults)
|
});
|
|
joint.shapes.fsa.StartState = joint.dia.Element.extend({
|
|
markup: '<g class="rotatable"><g class="scalable"><circle/></g></g>',
|
|
defaults: joint.util.deepSupplement({
|
|
type: 'fsa.StartState',
|
size: { width: 20, height: 20 },
|
attrs: {
|
circle: {
|
transform: 'translate(10, 10)',
|
r: 10,
|
fill: '#000000'
|
}
|
}
|
|
}, joint.dia.Element.prototype.defaults)
|
});
|
|
joint.shapes.fsa.EndState = joint.dia.Element.extend({
|
|
markup: '<g class="rotatable"><g class="scalable"><circle class="outer"/><circle class="inner"/></g></g>',
|
|
defaults: joint.util.deepSupplement({
|
|
type: 'fsa.EndState',
|
size: { width: 20, height: 20 },
|
attrs: {
|
'.outer': {
|
transform: 'translate(10, 10)',
|
r: 10,
|
fill: '#ffffff',
|
stroke: '#000000'
|
},
|
|
'.inner': {
|
transform: 'translate(10, 10)',
|
r: 6,
|
fill: '#000000'
|
}
|
}
|
|
}, joint.dia.Element.prototype.defaults)
|
});
|
|
joint.shapes.fsa.Arrow = joint.dia.Link.extend({
|
|
defaults: joint.util.deepSupplement({
|
type: 'fsa.Arrow',
|
attrs: { '.marker-target': { d: 'M 10 0 L 0 5 L 10 10 z' }},
|
smooth: true
|
}, joint.dia.Link.prototype.defaults)
|
});
|
|
// JointJS library.
|
// (c) 2011-2013 client IO
|
|
joint.shapes.org = {};
|
|
joint.shapes.org.Member = joint.dia.Element.extend({
|
|
markup: '<g class="rotatable"><g class="scalable"><rect class="card"/><image/></g><text class="rank"/><text class="name"/></g>',
|
|
defaults: joint.util.deepSupplement({
|
|
type: 'org.Member',
|
size: { width: 180, height: 70 },
|
attrs: {
|
|
rect: { width: 170, height: 60 },
|
|
'.card': {
|
fill: '#FFFFFF', stroke: '#000000', 'stroke-width': 2,
|
'pointer-events': 'visiblePainted', rx: 10, ry: 10
|
},
|
|
image: {
|
width: 48, height: 48,
|
ref: '.card', 'ref-x': 10, 'ref-y': 5
|
},
|
|
'.rank': {
|
'text-decoration': 'underline',
|
ref: '.card', 'ref-x': 0.9, 'ref-y': 0.2,
|
'font-family': 'Courier New', 'font-size': 14,
|
'text-anchor': 'end'
|
},
|
|
'.name': {
|
'font-weight': '800',
|
ref: '.card', 'ref-x': 0.9, 'ref-y': 0.6,
|
'font-family': 'Courier New', 'font-size': 14,
|
'text-anchor': 'end'
|
}
|
}
|
}, joint.dia.Element.prototype.defaults)
|
});
|
|
joint.shapes.org.Arrow = joint.dia.Link.extend({
|
|
defaults: {
|
type: 'org.Arrow',
|
source: { selector: '.card' }, target: { selector: '.card' },
|
attrs: { '.connection': { stroke: '#585858', 'stroke-width': 3 }},
|
z: -1
|
}
|
});
|
|
// JointJS library.
|
// (c) 2011-2013 client IO
|
|
joint.shapes.chess = {};
|
|
joint.shapes.chess.KingWhite = joint.shapes.basic.Generic.extend({
|
|
markup: '<g class="rotatable"><g class="scalable"><g style="fill:none; fill-opacity:1; fill-rule:evenodd; stroke:#000000; stroke-width:1.5; stroke-linecap:round;stroke-linejoin:round;stroke-miterlimit:4; stroke-dasharray:none; stroke-opacity:1;"><path d="M 22.5,11.63 L 22.5,6" style="fill:none; stroke:#000000; stroke-linejoin:miter;" /> <path d="M 20,8 L 25,8" style="fill:none; stroke:#000000; stroke-linejoin:miter;" /> <path d="M 22.5,25 C 22.5,25 27,17.5 25.5,14.5 C 25.5,14.5 24.5,12 22.5,12 C 20.5,12 19.5,14.5 19.5,14.5 C 18,17.5 22.5,25 22.5,25" style="fill:#ffffff; stroke:#000000; stroke-linecap:butt; stroke-linejoin:miter;" /> <path d="M 11.5,37 C 17,40.5 27,40.5 32.5,37 L 32.5,30 C 32.5,30 41.5,25.5 38.5,19.5 C 34.5,13 25,16 22.5,23.5 L 22.5,27 L 22.5,23.5 C 19,16 9.5,13 6.5,19.5 C 3.5,25.5 11.5,29.5 11.5,29.5 L 11.5,37 z " style="fill:#ffffff; stroke:#000000;" /> <path d="M 11.5,30 C 17,27 27,27 32.5,30" style="fill:none; stroke:#000000;" /> <path d="M 11.5,33.5 C 17,30.5 27,30.5 32.5,33.5" style="fill:none; stroke:#000000;" /> <path d="M 11.5,37 C 17,34 27,34 32.5,37" style="fill:none; stroke:#000000;" /> </g></g></g>',
|
|
defaults: joint.util.deepSupplement({
|
|
type: 'chess.KingWhite',
|
size: { width: 42, height: 38 }
|
|
}, joint.shapes.basic.Generic.prototype.defaults)
|
});
|
|
joint.shapes.chess.KingBlack = joint.shapes.basic.Generic.extend({
|
|
markup: '<g class="rotatable"><g class="scalable"><g style="fill:none; fill-opacity:1; fill-rule:evenodd; stroke:#000000; stroke-width:1.5; stroke-linecap:round;stroke-linejoin:round;stroke-miterlimit:4; stroke-dasharray:none; stroke-opacity:1;"> <path d="M 22.5,11.63 L 22.5,6" style="fill:none; stroke:#000000; stroke-linejoin:miter;" id="path6570" /> <path d="M 22.5,25 C 22.5,25 27,17.5 25.5,14.5 C 25.5,14.5 24.5,12 22.5,12 C 20.5,12 19.5,14.5 19.5,14.5 C 18,17.5 22.5,25 22.5,25" style="fill:#000000;fill-opacity:1; stroke-linecap:butt; stroke-linejoin:miter;" /> <path d="M 11.5,37 C 17,40.5 27,40.5 32.5,37 L 32.5,30 C 32.5,30 41.5,25.5 38.5,19.5 C 34.5,13 25,16 22.5,23.5 L 22.5,27 L 22.5,23.5 C 19,16 9.5,13 6.5,19.5 C 3.5,25.5 11.5,29.5 11.5,29.5 L 11.5,37 z " style="fill:#000000; stroke:#000000;" /> <path d="M 20,8 L 25,8" style="fill:none; stroke:#000000; stroke-linejoin:miter;" /> <path d="M 32,29.5 C 32,29.5 40.5,25.5 38.03,19.85 C 34.15,14 25,18 22.5,24.5 L 22.51,26.6 L 22.5,24.5 C 20,18 9.906,14 6.997,19.85 C 4.5,25.5 11.85,28.85 11.85,28.85" style="fill:none; stroke:#ffffff;" /> <path d="M 11.5,30 C 17,27 27,27 32.5,30 M 11.5,33.5 C 17,30.5 27,30.5 32.5,33.5 M 11.5,37 C 17,34 27,34 32.5,37" style="fill:none; stroke:#ffffff;" /> </g></g></g>',
|
|
defaults: joint.util.deepSupplement({
|
|
type: 'chess.KingBlack',
|
size: { width: 42, height: 38 }
|
|
}, joint.shapes.basic.Generic.prototype.defaults)
|
});
|
|
joint.shapes.chess.QueenWhite = joint.shapes.basic.Generic.extend({
|
|
markup: '<g class="rotatable"><g class="scalable"><g style="opacity:1; fill:#ffffff; fill-opacity:1; fill-rule:evenodd; stroke:#000000; stroke-width:1.5; stroke-linecap:round;stroke-linejoin:round;stroke-miterlimit:4; stroke-dasharray:none; stroke-opacity:1;"> <path d="M 9 13 A 2 2 0 1 1 5,13 A 2 2 0 1 1 9 13 z" transform="translate(-1,-1)" /> <path d="M 9 13 A 2 2 0 1 1 5,13 A 2 2 0 1 1 9 13 z" transform="translate(15.5,-5.5)" /> <path d="M 9 13 A 2 2 0 1 1 5,13 A 2 2 0 1 1 9 13 z" transform="translate(32,-1)" /> <path d="M 9 13 A 2 2 0 1 1 5,13 A 2 2 0 1 1 9 13 z" transform="translate(7,-4.5)" /> <path d="M 9 13 A 2 2 0 1 1 5,13 A 2 2 0 1 1 9 13 z" transform="translate(24,-4)" /> <path d="M 9,26 C 17.5,24.5 30,24.5 36,26 L 38,14 L 31,25 L 31,11 L 25.5,24.5 L 22.5,9.5 L 19.5,24.5 L 14,10.5 L 14,25 L 7,14 L 9,26 z " style="stroke-linecap:butt;" /> <path d="M 9,26 C 9,28 10.5,28 11.5,30 C 12.5,31.5 12.5,31 12,33.5 C 10.5,34.5 10.5,36 10.5,36 C 9,37.5 11,38.5 11,38.5 C 17.5,39.5 27.5,39.5 34,38.5 C 34,38.5 35.5,37.5 34,36 C 34,36 34.5,34.5 33,33.5 C 32.5,31 32.5,31.5 33.5,30 C 34.5,28 36,28 36,26 C 27.5,24.5 17.5,24.5 9,26 z " style="stroke-linecap:butt;" /> <path d="M 11.5,30 C 15,29 30,29 33.5,30" style="fill:none;" /> <path d="M 12,33.5 C 18,32.5 27,32.5 33,33.5" style="fill:none;" /> </g></g></g>',
|
|
defaults: joint.util.deepSupplement({
|
|
type: 'chess.QueenWhite',
|
size: { width: 42, height: 38 }
|
|
}, joint.shapes.basic.Generic.prototype.defaults)
|
});
|
|
joint.shapes.chess.QueenBlack = joint.shapes.basic.Generic.extend({
|
|
markup: '<g class="rotatable"><g class="scalable"><g style="opacity:1; fill:#000000; fill-opacity:1; fill-rule:evenodd; stroke:#000000; stroke-width:1.5; stroke-linecap:round;stroke-linejoin:round;stroke-miterlimit:4; stroke-dasharray:none; stroke-opacity:1;"> <g style="fill:#000000; stroke:none;"> <circle cx="6" cy="12" r="2.75" /> <circle cx="14" cy="9" r="2.75" /> <circle cx="22.5" cy="8" r="2.75" /> <circle cx="31" cy="9" r="2.75" /> <circle cx="39" cy="12" r="2.75" /> </g> <path d="M 9,26 C 17.5,24.5 30,24.5 36,26 L 38.5,13.5 L 31,25 L 30.7,10.9 L 25.5,24.5 L 22.5,10 L 19.5,24.5 L 14.3,10.9 L 14,25 L 6.5,13.5 L 9,26 z" style="stroke-linecap:butt; stroke:#000000;" /> <path d="M 9,26 C 9,28 10.5,28 11.5,30 C 12.5,31.5 12.5,31 12,33.5 C 10.5,34.5 10.5,36 10.5,36 C 9,37.5 11,38.5 11,38.5 C 17.5,39.5 27.5,39.5 34,38.5 C 34,38.5 35.5,37.5 34,36 C 34,36 34.5,34.5 33,33.5 C 32.5,31 32.5,31.5 33.5,30 C 34.5,28 36,28 36,26 C 27.5,24.5 17.5,24.5 9,26 z" style="stroke-linecap:butt;" /> <path d="M 11,38.5 A 35,35 1 0 0 34,38.5" style="fill:none; stroke:#000000; stroke-linecap:butt;" /> <path d="M 11,29 A 35,35 1 0 1 34,29" style="fill:none; stroke:#ffffff;" /> <path d="M 12.5,31.5 L 32.5,31.5" style="fill:none; stroke:#ffffff;" /> <path d="M 11.5,34.5 A 35,35 1 0 0 33.5,34.5" style="fill:none; stroke:#ffffff;" /> <path d="M 10.5,37.5 A 35,35 1 0 0 34.5,37.5" style="fill:none; stroke:#ffffff;" /> </g></g></g>',
|
|
defaults: joint.util.deepSupplement({
|
|
type: 'chess.QueenBlack',
|
size: { width: 42, height: 38 }
|
|
}, joint.shapes.basic.Generic.prototype.defaults)
|
});
|
|
joint.shapes.chess.RookWhite = joint.shapes.basic.Generic.extend({
|
|
markup: '<g class="rotatable"><g class="scalable"><g style="opacity:1; fill:#ffffff; fill-opacity:1; fill-rule:evenodd; stroke:#000000; stroke-width:1.5; stroke-linecap:round;stroke-linejoin:round;stroke-miterlimit:4; stroke-dasharray:none; stroke-opacity:1;"> <path d="M 9,39 L 36,39 L 36,36 L 9,36 L 9,39 z " style="stroke-linecap:butt;" /> <path d="M 12,36 L 12,32 L 33,32 L 33,36 L 12,36 z " style="stroke-linecap:butt;" /> <path d="M 11,14 L 11,9 L 15,9 L 15,11 L 20,11 L 20,9 L 25,9 L 25,11 L 30,11 L 30,9 L 34,9 L 34,14" style="stroke-linecap:butt;" /> <path d="M 34,14 L 31,17 L 14,17 L 11,14" /> <path d="M 31,17 L 31,29.5 L 14,29.5 L 14,17" style="stroke-linecap:butt; stroke-linejoin:miter;" /> <path d="M 31,29.5 L 32.5,32 L 12.5,32 L 14,29.5" /> <path d="M 11,14 L 34,14" style="fill:none; stroke:#000000; stroke-linejoin:miter;" /> </g></g></g>',
|
|
defaults: joint.util.deepSupplement({
|
|
type: 'chess.RookWhite',
|
size: { width: 32, height: 34 }
|
|
}, joint.shapes.basic.Generic.prototype.defaults)
|
});
|
|
joint.shapes.chess.RookBlack = joint.shapes.basic.Generic.extend({
|
|
markup: '<g class="rotatable"><g class="scalable"><g style="opacity:1; fill:#000000; fill-opacity:1; fill-rule:evenodd; stroke:#000000; stroke-width:1.5; stroke-linecap:round;stroke-linejoin:round;stroke-miterlimit:4; stroke-dasharray:none; stroke-opacity:1;"> <path d="M 9,39 L 36,39 L 36,36 L 9,36 L 9,39 z " style="stroke-linecap:butt;" /> <path d="M 12.5,32 L 14,29.5 L 31,29.5 L 32.5,32 L 12.5,32 z " style="stroke-linecap:butt;" /> <path d="M 12,36 L 12,32 L 33,32 L 33,36 L 12,36 z " style="stroke-linecap:butt;" /> <path d="M 14,29.5 L 14,16.5 L 31,16.5 L 31,29.5 L 14,29.5 z " style="stroke-linecap:butt;stroke-linejoin:miter;" /> <path d="M 14,16.5 L 11,14 L 34,14 L 31,16.5 L 14,16.5 z " style="stroke-linecap:butt;" /> <path d="M 11,14 L 11,9 L 15,9 L 15,11 L 20,11 L 20,9 L 25,9 L 25,11 L 30,11 L 30,9 L 34,9 L 34,14 L 11,14 z " style="stroke-linecap:butt;" /> <path d="M 12,35.5 L 33,35.5 L 33,35.5" style="fill:none; stroke:#ffffff; stroke-width:1; stroke-linejoin:miter;" /> <path d="M 13,31.5 L 32,31.5" style="fill:none; stroke:#ffffff; stroke-width:1; stroke-linejoin:miter;" /> <path d="M 14,29.5 L 31,29.5" style="fill:none; stroke:#ffffff; stroke-width:1; stroke-linejoin:miter;" /> <path d="M 14,16.5 L 31,16.5" style="fill:none; stroke:#ffffff; stroke-width:1; stroke-linejoin:miter;" /> <path d="M 11,14 L 34,14" style="fill:none; stroke:#ffffff; stroke-width:1; stroke-linejoin:miter;" /> </g></g></g>',
|
|
defaults: joint.util.deepSupplement({
|
|
type: 'chess.RookBlack',
|
size: { width: 32, height: 34 }
|
|
}, joint.shapes.basic.Generic.prototype.defaults)
|
});
|
|
joint.shapes.chess.BishopWhite = joint.shapes.basic.Generic.extend({
|
|
markup: '<g class="rotatable"><g class="scalable"><g style="opacity:1; fill:none; fill-rule:evenodd; fill-opacity:1; stroke:#000000; stroke-width:1.5; stroke-linecap:round; stroke-linejoin:round; stroke-miterlimit:4; stroke-dasharray:none; stroke-opacity:1;"> <g style="fill:#ffffff; stroke:#000000; stroke-linecap:butt;"> <path d="M 9,36 C 12.39,35.03 19.11,36.43 22.5,34 C 25.89,36.43 32.61,35.03 36,36 C 36,36 37.65,36.54 39,38 C 38.32,38.97 37.35,38.99 36,38.5 C 32.61,37.53 25.89,38.96 22.5,37.5 C 19.11,38.96 12.39,37.53 9,38.5 C 7.646,38.99 6.677,38.97 6,38 C 7.354,36.06 9,36 9,36 z" /> <path d="M 15,32 C 17.5,34.5 27.5,34.5 30,32 C 30.5,30.5 30,30 30,30 C 30,27.5 27.5,26 27.5,26 C 33,24.5 33.5,14.5 22.5,10.5 C 11.5,14.5 12,24.5 17.5,26 C 17.5,26 15,27.5 15,30 C 15,30 14.5,30.5 15,32 z" /> <path d="M 25 8 A 2.5 2.5 0 1 1 20,8 A 2.5 2.5 0 1 1 25 8 z" /> </g> <path d="M 17.5,26 L 27.5,26 M 15,30 L 30,30 M 22.5,15.5 L 22.5,20.5 M 20,18 L 25,18" style="fill:none; stroke:#000000; stroke-linejoin:miter;" /> </g></g></g>',
|
|
defaults: joint.util.deepSupplement({
|
|
type: 'chess.BishopWhite',
|
size: { width: 38, height: 38 }
|
|
}, joint.shapes.basic.Generic.prototype.defaults)
|
});
|
|
joint.shapes.chess.BishopBlack = joint.shapes.basic.Generic.extend({
|
|
markup: '<g class="rotatable"><g class="scalable"><g style="opacity:1; fill:none; fill-rule:evenodd; fill-opacity:1; stroke:#000000; stroke-width:1.5; stroke-linecap:round; stroke-linejoin:round; stroke-miterlimit:4; stroke-dasharray:none; stroke-opacity:1;"> <g style="fill:#000000; stroke:#000000; stroke-linecap:butt;"> <path d="M 9,36 C 12.39,35.03 19.11,36.43 22.5,34 C 25.89,36.43 32.61,35.03 36,36 C 36,36 37.65,36.54 39,38 C 38.32,38.97 37.35,38.99 36,38.5 C 32.61,37.53 25.89,38.96 22.5,37.5 C 19.11,38.96 12.39,37.53 9,38.5 C 7.646,38.99 6.677,38.97 6,38 C 7.354,36.06 9,36 9,36 z" /> <path d="M 15,32 C 17.5,34.5 27.5,34.5 30,32 C 30.5,30.5 30,30 30,30 C 30,27.5 27.5,26 27.5,26 C 33,24.5 33.5,14.5 22.5,10.5 C 11.5,14.5 12,24.5 17.5,26 C 17.5,26 15,27.5 15,30 C 15,30 14.5,30.5 15,32 z" /> <path d="M 25 8 A 2.5 2.5 0 1 1 20,8 A 2.5 2.5 0 1 1 25 8 z" /> </g> <path d="M 17.5,26 L 27.5,26 M 15,30 L 30,30 M 22.5,15.5 L 22.5,20.5 M 20,18 L 25,18" style="fill:none; stroke:#ffffff; stroke-linejoin:miter;" /> </g></g></g>',
|
|
defaults: joint.util.deepSupplement({
|
|
type: 'chess.BishopBlack',
|
size: { width: 38, height: 38 }
|
|
}, joint.shapes.basic.Generic.prototype.defaults)
|
});
|
|
joint.shapes.chess.KnightWhite = joint.shapes.basic.Generic.extend({
|
|
markup: '<g class="rotatable"><g class="scalable"><g style="opacity:1; fill:none; fill-opacity:1; fill-rule:evenodd; stroke:#000000; stroke-width:1.5; stroke-linecap:round;stroke-linejoin:round;stroke-miterlimit:4; stroke-dasharray:none; stroke-opacity:1;"> <path d="M 22,10 C 32.5,11 38.5,18 38,39 L 15,39 C 15,30 25,32.5 23,18" style="fill:#ffffff; stroke:#000000;" /> <path d="M 24,18 C 24.38,20.91 18.45,25.37 16,27 C 13,29 13.18,31.34 11,31 C 9.958,30.06 12.41,27.96 11,28 C 10,28 11.19,29.23 10,30 C 9,30 5.997,31 6,26 C 6,24 12,14 12,14 C 12,14 13.89,12.1 14,10.5 C 13.27,9.506 13.5,8.5 13.5,7.5 C 14.5,6.5 16.5,10 16.5,10 L 18.5,10 C 18.5,10 19.28,8.008 21,7 C 22,7 22,10 22,10" style="fill:#ffffff; stroke:#000000;" /> <path d="M 9.5 25.5 A 0.5 0.5 0 1 1 8.5,25.5 A 0.5 0.5 0 1 1 9.5 25.5 z" style="fill:#000000; stroke:#000000;" /> <path d="M 15 15.5 A 0.5 1.5 0 1 1 14,15.5 A 0.5 1.5 0 1 1 15 15.5 z" transform="matrix(0.866,0.5,-0.5,0.866,9.693,-5.173)" style="fill:#000000; stroke:#000000;" /> </g></g></g>',
|
|
defaults: joint.util.deepSupplement({
|
|
type: 'chess.KnightWhite',
|
size: { width: 38, height: 37 }
|
|
}, joint.shapes.basic.Generic.prototype.defaults)
|
});
|
|
joint.shapes.chess.KnightBlack = joint.shapes.basic.Generic.extend({
|
|
markup: '<g class="rotatable"><g class="scalable"><g style="opacity:1; fill:none; fill-opacity:1; fill-rule:evenodd; stroke:#000000; stroke-width:1.5; stroke-linecap:round;stroke-linejoin:round;stroke-miterlimit:4; stroke-dasharray:none; stroke-opacity:1;"> <path d="M 22,10 C 32.5,11 38.5,18 38,39 L 15,39 C 15,30 25,32.5 23,18" style="fill:#000000; stroke:#000000;" /> <path d="M 24,18 C 24.38,20.91 18.45,25.37 16,27 C 13,29 13.18,31.34 11,31 C 9.958,30.06 12.41,27.96 11,28 C 10,28 11.19,29.23 10,30 C 9,30 5.997,31 6,26 C 6,24 12,14 12,14 C 12,14 13.89,12.1 14,10.5 C 13.27,9.506 13.5,8.5 13.5,7.5 C 14.5,6.5 16.5,10 16.5,10 L 18.5,10 C 18.5,10 19.28,8.008 21,7 C 22,7 22,10 22,10" style="fill:#000000; stroke:#000000;" /> <path d="M 9.5 25.5 A 0.5 0.5 0 1 1 8.5,25.5 A 0.5 0.5 0 1 1 9.5 25.5 z" style="fill:#ffffff; stroke:#ffffff;" /> <path d="M 15 15.5 A 0.5 1.5 0 1 1 14,15.5 A 0.5 1.5 0 1 1 15 15.5 z" transform="matrix(0.866,0.5,-0.5,0.866,9.693,-5.173)" style="fill:#ffffff; stroke:#ffffff;" /> <path d="M 24.55,10.4 L 24.1,11.85 L 24.6,12 C 27.75,13 30.25,14.49 32.5,18.75 C 34.75,23.01 35.75,29.06 35.25,39 L 35.2,39.5 L 37.45,39.5 L 37.5,39 C 38,28.94 36.62,22.15 34.25,17.66 C 31.88,13.17 28.46,11.02 25.06,10.5 L 24.55,10.4 z " style="fill:#ffffff; stroke:none;" /> </g></g></g>',
|
|
defaults: joint.util.deepSupplement({
|
|
type: 'chess.KnightBlack',
|
size: { width: 38, height: 37 }
|
|
}, joint.shapes.basic.Generic.prototype.defaults)
|
});
|
|
joint.shapes.chess.PawnWhite = joint.shapes.basic.Generic.extend({
|
|
markup: '<g class="rotatable"><g class="scalable"><path d="M 22,9 C 19.79,9 18,10.79 18,13 C 18,13.89 18.29,14.71 18.78,15.38 C 16.83,16.5 15.5,18.59 15.5,21 C 15.5,23.03 16.44,24.84 17.91,26.03 C 14.91,27.09 10.5,31.58 10.5,39.5 L 33.5,39.5 C 33.5,31.58 29.09,27.09 26.09,26.03 C 27.56,24.84 28.5,23.03 28.5,21 C 28.5,18.59 27.17,16.5 25.22,15.38 C 25.71,14.71 26,13.89 26,13 C 26,10.79 24.21,9 22,9 z " style="opacity:1; fill:#ffffff; fill-opacity:1; fill-rule:nonzero; stroke:#000000; stroke-width:1.5; stroke-linecap:round; stroke-linejoin:miter; stroke-miterlimit:4; stroke-dasharray:none; stroke-opacity:1;" /></g></g>',
|
|
defaults: joint.util.deepSupplement({
|
|
type: 'chess.PawnWhite',
|
size: { width: 28, height: 33 }
|
|
}, joint.shapes.basic.Generic.prototype.defaults)
|
});
|
|
joint.shapes.chess.PawnBlack = joint.shapes.basic.Generic.extend({
|
|
markup: '<g class="rotatable"><g class="scalable"><path d="M 22,9 C 19.79,9 18,10.79 18,13 C 18,13.89 18.29,14.71 18.78,15.38 C 16.83,16.5 15.5,18.59 15.5,21 C 15.5,23.03 16.44,24.84 17.91,26.03 C 14.91,27.09 10.5,31.58 10.5,39.5 L 33.5,39.5 C 33.5,31.58 29.09,27.09 26.09,26.03 C 27.56,24.84 28.5,23.03 28.5,21 C 28.5,18.59 27.17,16.5 25.22,15.38 C 25.71,14.71 26,13.89 26,13 C 26,10.79 24.21,9 22,9 z " style="opacity:1; fill:#000000; fill-opacity:1; fill-rule:nonzero; stroke:#000000; stroke-width:1.5; stroke-linecap:round; stroke-linejoin:miter; stroke-miterlimit:4; stroke-dasharray:none; stroke-opacity:1;" /></g></g>',
|
|
defaults: joint.util.deepSupplement({
|
|
type: 'chess.PawnBlack',
|
size: { width: 28, height: 33 }
|
|
}, joint.shapes.basic.Generic.prototype.defaults)
|
});
|
|
// JointJS library.
|
// (c) 2011-2013 client IO
|
|
joint.shapes.pn = {};
|
|
joint.shapes.pn.Place = joint.shapes.basic.Generic.extend({
|
|
markup: '<g class="rotatable"><g class="scalable"><circle class="root"/><g class="tokens" /></g><text class="label"/></g>',
|
|
defaults: joint.util.deepSupplement({
|
|
type: 'pn.Place',
|
size: { width: 50, height: 50 },
|
attrs: {
|
'.root': {
|
r: 25,
|
fill: '#ffffff',
|
stroke: '#000000',
|
transform: 'translate(25, 25)'
|
},
|
'.label': {
|
'text-anchor': 'middle',
|
'ref-x': .5,
|
'ref-y': -20,
|
ref: '.root',
|
fill: '#000000',
|
'font-size': 12
|
},
|
'.tokens > circle': {
|
fill: '#000000',
|
r: 5
|
},
|
'.tokens.one > circle': { transform: 'translate(25, 25)' },
|
|
'.tokens.two > circle:nth-child(1)': { transform: 'translate(19, 25)' },
|
'.tokens.two > circle:nth-child(2)': { transform: 'translate(31, 25)' },
|
|
'.tokens.three > circle:nth-child(1)': { transform: 'translate(18, 29)' },
|
'.tokens.three > circle:nth-child(2)': { transform: 'translate(25, 19)' },
|
'.tokens.three > circle:nth-child(3)': { transform: 'translate(32, 29)' },
|
|
'.tokens.alot > text': {
|
transform: 'translate(25, 18)',
|
'text-anchor': 'middle',
|
fill: '#000000'
|
}
|
}
|
|
}, joint.shapes.basic.Generic.prototype.defaults)
|
});
|
|
|
joint.shapes.pn.PlaceView = joint.dia.ElementView.extend({
|
|
initialize: function() {
|
|
joint.dia.ElementView.prototype.initialize.apply(this, arguments);
|
|
this.model.on('change:tokens', function() {
|
|
this.renderTokens();
|
this.update();
|
|
}, this);
|
},
|
|
render: function() {
|
|
joint.dia.ElementView.prototype.render.apply(this, arguments);
|
|
this.renderTokens();
|
this.update();
|
},
|
|
renderTokens: function() {
|
|
var $tokens = this.$('.tokens').empty();
|
$tokens[0].className.baseVal = 'tokens';
|
|
var tokens = this.model.get('tokens');
|
|
if (!tokens) return;
|
|
switch (tokens) {
|
|
case 1:
|
$tokens[0].className.baseVal += ' one';
|
$tokens.append(V('<circle/>').node);
|
break;
|
|
case 2:
|
$tokens[0].className.baseVal += ' two';
|
$tokens.append(V('<circle/>').node, V('<circle/>').node);
|
break;
|
|
case 3:
|
$tokens[0].className.baseVal += ' three';
|
$tokens.append(V('<circle/>').node, V('<circle/>').node, V('<circle/>').node);
|
break;
|
|
default:
|
$tokens[0].className.baseVal += ' alot';
|
$tokens.append(V('<text/>').text(tokens + '' ).node);
|
break;
|
}
|
}
|
});
|
|
|
joint.shapes.pn.Transition = joint.shapes.basic.Generic.extend({
|
|
markup: '<g class="rotatable"><g class="scalable"><rect class="root"/></g></g><text class="label"/>',
|
|
defaults: joint.util.deepSupplement({
|
|
type: 'pn.Transition',
|
size: { width: 12, height: 50 },
|
attrs: {
|
'rect': {
|
width: 12,
|
height: 50,
|
fill: '#000000',
|
stroke: '#000000'
|
},
|
'.label': {
|
'text-anchor': 'middle',
|
'ref-x': .5,
|
'ref-y': -20,
|
ref: 'rect',
|
fill: '#000000',
|
'font-size': 12
|
}
|
}
|
|
}, joint.shapes.basic.Generic.prototype.defaults)
|
});
|
|
joint.shapes.pn.Link = joint.dia.Link.extend({
|
|
defaults: joint.util.deepSupplement({
|
|
type: 'pn.Link',
|
attrs: { '.marker-target': { d: 'M 10 0 L 0 5 L 10 10 z' }}
|
|
}, joint.dia.Link.prototype.defaults)
|
});
|
|
// JointJS library.
|
// (c) 2011-2013 client IO
|
|
joint.shapes.devs = {};
|
|
joint.shapes.devs.Model = joint.shapes.basic.Generic.extend(_.extend({}, joint.shapes.basic.PortsModelInterface, {
|
|
markup: '<g class="rotatable"><g class="scalable"><rect class="body"/></g><text class="label"/><g class="inPorts"/><g class="outPorts"/></g>',
|
portMarkup: '<g class="port port<%= id %>"><circle class="port-body"/><text class="port-label"/></g>',
|
|
defaults: joint.util.deepSupplement({
|
|
type: 'devs.Model',
|
size: { width: 1, height: 1 },
|
|
inPorts: [],
|
outPorts: [],
|
|
attrs: {
|
'.': { magnet: false },
|
'.body': {
|
width: 150, height: 250,
|
stroke: '#000000'
|
},
|
'.port-body': {
|
r: 10,
|
magnet: true,
|
stroke: '#000000'
|
},
|
text: {
|
'pointer-events': 'none'
|
},
|
'.label': { text: 'Model', 'ref-x': .5, 'ref-y': 10, ref: '.body', 'text-anchor': 'middle', fill: '#000000' },
|
'.inPorts .port-label': { x:-15, dy: 4, 'text-anchor': 'end', fill: '#000000' },
|
'.outPorts .port-label':{ x: 15, dy: 4, fill: '#000000' }
|
}
|
|
}, joint.shapes.basic.Generic.prototype.defaults),
|
|
getPortAttrs: function(portName, index, total, selector, type) {
|
|
var attrs = {};
|
|
var portClass = 'port' + index;
|
var portSelector = selector + '>.' + portClass;
|
var portLabelSelector = portSelector + '>.port-label';
|
var portBodySelector = portSelector + '>.port-body';
|
|
attrs[portLabelSelector] = { text: portName };
|
attrs[portBodySelector] = { port: { id: portName || _.uniqueId(type) , type: type } };
|
attrs[portSelector] = { ref: '.body', 'ref-y': (index + 0.5) * (1 / total) };
|
|
if (selector === '.outPorts') { attrs[portSelector]['ref-dx'] = 0; }
|
|
return attrs;
|
}
|
}));
|
|
|
joint.shapes.devs.Atomic = joint.shapes.devs.Model.extend({
|
|
defaults: joint.util.deepSupplement({
|
|
type: 'devs.Atomic',
|
size: { width: 80, height: 80 },
|
attrs: {
|
'.body': { fill: 'salmon' },
|
'.label': { text: 'Atomic' },
|
'.inPorts .port-body': { fill: 'PaleGreen' },
|
'.outPorts .port-body': { fill: 'Tomato' }
|
}
|
|
}, joint.shapes.devs.Model.prototype.defaults)
|
|
});
|
|
joint.shapes.devs.Coupled = joint.shapes.devs.Model.extend({
|
|
defaults: joint.util.deepSupplement({
|
|
type: 'devs.Coupled',
|
size: { width: 200, height: 300 },
|
attrs: {
|
'.body': { fill: 'seaGreen' },
|
'.label': { text: 'Coupled' },
|
'.inPorts .port-body': { fill: 'PaleGreen' },
|
'.outPorts .port-body': { fill: 'Tomato' }
|
}
|
|
}, joint.shapes.devs.Model.prototype.defaults)
|
});
|
|
joint.shapes.devs.Link = joint.dia.Link.extend({
|
|
defaults: {
|
type: 'devs.Link',
|
attrs: { '.connection' : { 'stroke-width' : 2 }}
|
}
|
});
|
|
joint.shapes.devs.ModelView = joint.dia.ElementView.extend(joint.shapes.basic.PortsViewInterface);
|
joint.shapes.devs.AtomicView = joint.shapes.devs.ModelView;
|
joint.shapes.devs.CoupledView = joint.shapes.devs.ModelView;
|
|
joint.shapes.uml = {};
|
|
joint.shapes.uml.Class = joint.shapes.basic.Generic.extend({
|
|
markup: [
|
'<g class="rotatable">',
|
'<g class="scalable">',
|
'<rect class="uml-class-name-rect"/><rect class="uml-class-attrs-rect"/><rect class="uml-class-methods-rect"/>',
|
'</g>',
|
'<text class="uml-class-name-text"/><text class="uml-class-attrs-text"/><text class="uml-class-methods-text"/>',
|
'</g>'
|
].join(''),
|
|
defaults: joint.util.deepSupplement({
|
|
type: 'uml.Class',
|
|
attrs: {
|
rect: { 'width': 200 },
|
|
'.uml-class-name-rect': { 'stroke': 'black', 'stroke-width': 2, 'fill': '#3498db' },
|
'.uml-class-attrs-rect': { 'stroke': 'black', 'stroke-width': 2, 'fill': '#2980b9' },
|
'.uml-class-methods-rect': { 'stroke': 'black', 'stroke-width': 2, 'fill': '#2980b9' },
|
|
'.uml-class-name-text': {
|
'ref': '.uml-class-name-rect', 'ref-y': .5, 'ref-x': .5, 'text-anchor': 'middle', 'y-alignment': 'middle', 'font-weight': 'bold',
|
'fill': 'black', 'font-size': 12, 'font-family': 'Times New Roman'
|
},
|
'.uml-class-attrs-text': {
|
'ref': '.uml-class-attrs-rect', 'ref-y': 5, 'ref-x': 5,
|
'fill': 'black', 'font-size': 12, 'font-family': 'Times New Roman'
|
},
|
'.uml-class-methods-text': {
|
'ref': '.uml-class-methods-rect', 'ref-y': 5, 'ref-x': 5,
|
'fill': 'black', 'font-size': 12, 'font-family': 'Times New Roman'
|
}
|
},
|
|
name: [],
|
attributes: [],
|
methods: []
|
|
}, joint.shapes.basic.Generic.prototype.defaults),
|
|
initialize: function() {
|
|
this.on('change:name change:attributes change:methods', function() {
|
this.updateRectangles();
|
this.trigger('uml-update');
|
}, this);
|
|
this.updateRectangles();
|
|
joint.shapes.basic.Generic.prototype.initialize.apply(this, arguments);
|
},
|
|
getClassName: function() {
|
return this.get('name');
|
},
|
|
updateRectangles: function() {
|
|
var attrs = this.get('attrs');
|
|
var rects = [
|
{ type: 'name', text: this.getClassName() },
|
{ type: 'attrs', text: this.get('attributes') },
|
{ type: 'methods', text: this.get('methods') }
|
];
|
|
var offsetY = 0;
|
|
_.each(rects, function(rect) {
|
|
var lines = _.isArray(rect.text) ? rect.text : [rect.text];
|
var rectHeight = lines.length * 20 + 20;
|
|
attrs['.uml-class-' + rect.type + '-text'].text = lines.join('\n');
|
attrs['.uml-class-' + rect.type + '-rect'].height = rectHeight;
|
attrs['.uml-class-' + rect.type + '-rect'].transform = 'translate(0,' + offsetY + ')';
|
|
offsetY += rectHeight;
|
});
|
}
|
|
});
|
|
joint.shapes.uml.ClassView = joint.dia.ElementView.extend({
|
|
initialize: function() {
|
|
joint.dia.ElementView.prototype.initialize.apply(this, arguments);
|
|
this.listenTo(this.model, 'uml-update', function() {
|
this.update();
|
this.resize();
|
});
|
}
|
});
|
|
joint.shapes.uml.Abstract = joint.shapes.uml.Class.extend({
|
|
defaults: joint.util.deepSupplement({
|
type: 'uml.Abstract',
|
attrs: {
|
'.uml-class-name-rect': { fill : '#e74c3c' },
|
'.uml-class-attrs-rect': { fill : '#c0392b' },
|
'.uml-class-methods-rect': { fill : '#c0392b' }
|
}
|
}, joint.shapes.uml.Class.prototype.defaults),
|
|
getClassName: function() {
|
return ['<<Abstract>>', this.get('name')];
|
}
|
|
});
|
joint.shapes.uml.AbstractView = joint.shapes.uml.ClassView;
|
|
joint.shapes.uml.Interface = joint.shapes.uml.Class.extend({
|
|
defaults: joint.util.deepSupplement({
|
type: 'uml.Interface',
|
attrs: {
|
'.uml-class-name-rect': { fill : '#f1c40f' },
|
'.uml-class-attrs-rect': { fill : '#f39c12' },
|
'.uml-class-methods-rect': { fill : '#f39c12' }
|
}
|
}, joint.shapes.uml.Class.prototype.defaults),
|
|
getClassName: function() {
|
return ['<<Interface>>', this.get('name')];
|
}
|
|
});
|
joint.shapes.uml.InterfaceView = joint.shapes.uml.ClassView;
|
|
joint.shapes.uml.Generalization = joint.dia.Link.extend({
|
defaults: {
|
type: 'uml.Generalization',
|
attrs: { '.marker-target': { d: 'M 20 0 L 0 10 L 20 20 z', fill: 'white' }}
|
}
|
});
|
|
joint.shapes.uml.Implementation = joint.dia.Link.extend({
|
defaults: {
|
type: 'uml.Implementation',
|
attrs: {
|
'.marker-target': { d: 'M 20 0 L 0 10 L 20 20 z', fill: 'white' },
|
'.connection': { 'stroke-dasharray': '3,3' }
|
}
|
}
|
});
|
|
joint.shapes.uml.Aggregation = joint.dia.Link.extend({
|
defaults: {
|
type: 'uml.Aggregation',
|
attrs: { '.marker-target': { d: 'M 40 10 L 20 20 L 0 10 L 20 0 z', fill: 'white' }}
|
}
|
});
|
|
joint.shapes.uml.Composition = joint.dia.Link.extend({
|
defaults: {
|
type: 'uml.Composition',
|
attrs: { '.marker-target': { d: 'M 40 10 L 20 20 L 0 10 L 20 0 z', fill: 'black' }}
|
}
|
});
|
|
joint.shapes.uml.Association = joint.dia.Link.extend({
|
defaults: { type: 'uml.Association' }
|
});
|
|
// Statechart
|
|
joint.shapes.uml.State = joint.shapes.basic.Generic.extend({
|
|
markup: [
|
'<g class="rotatable">',
|
'<g class="scalable">',
|
'<rect class="uml-state-body"/>',
|
'</g>',
|
'<path class="uml-state-separator"/>',
|
'<text class="uml-state-name"/>',
|
'<text class="uml-state-events"/>',
|
'</g>'
|
].join(''),
|
|
defaults: joint.util.deepSupplement({
|
|
type: 'uml.State',
|
|
attrs: {
|
'.uml-state-body': {
|
'width': 200, 'height': 200, 'rx': 10, 'ry': 10,
|
'fill': '#ecf0f1', 'stroke': '#bdc3c7', 'stroke-width': 3
|
},
|
'.uml-state-separator': {
|
'stroke': '#bdc3c7', 'stroke-width': 2
|
},
|
'.uml-state-name': {
|
'ref': '.uml-state-body', 'ref-x': .5, 'ref-y': 5, 'text-anchor': 'middle',
|
'fill': '#000000', 'font-family': 'Courier New', 'font-size': 14
|
},
|
'.uml-state-events': {
|
'ref': '.uml-state-separator', 'ref-x': 5, 'ref-y': 5,
|
'fill': '#000000', 'font-family': 'Courier New', 'font-size': 14
|
}
|
},
|
|
name: 'State',
|
events: []
|
|
}, joint.shapes.basic.Generic.prototype.defaults),
|
|
initialize: function() {
|
|
this.on({
|
'change:name': this.updateName,
|
'change:events': this.updateEvents,
|
'change:size': this.updatePath
|
}, this);
|
|
this.updateName();
|
this.updateEvents();
|
this.updatePath();
|
|
joint.shapes.basic.Generic.prototype.initialize.apply(this, arguments);
|
},
|
|
updateName: function() {
|
|
this.attr('.uml-state-name/text', this.get('name'));
|
},
|
|
updateEvents: function() {
|
|
this.attr('.uml-state-events/text', this.get('events').join('\n'));
|
},
|
|
updatePath: function() {
|
|
var d = 'M 0 20 L ' + this.get('size').width + ' 20';
|
|
// We are using `silent: true` here because updatePath() is meant to be called
|
// on resize and there's no need to to update the element twice (`change:size`
|
// triggers also an update).
|
this.attr('.uml-state-separator/d', d, { silent: true });
|
}
|
|
});
|
|
joint.shapes.uml.StartState = joint.shapes.basic.Circle.extend({
|
|
defaults: joint.util.deepSupplement({
|
|
type: 'uml.StartState',
|
attrs: { circle: { 'fill': '#34495e', 'stroke': '#2c3e50', 'stroke-width': 2, 'rx': 1 }}
|
|
}, joint.shapes.basic.Circle.prototype.defaults)
|
|
});
|
|
joint.shapes.uml.EndState = joint.shapes.basic.Generic.extend({
|
|
markup: '<g class="rotatable"><g class="scalable"><circle class="outer"/><circle class="inner"/></g></g>',
|
|
defaults: joint.util.deepSupplement({
|
|
type: 'uml.EndState',
|
size: { width: 20, height: 20 },
|
attrs: {
|
'circle.outer': {
|
transform: 'translate(10, 10)',
|
r: 10,
|
fill: '#ffffff',
|
stroke: '#2c3e50'
|
},
|
|
'circle.inner': {
|
transform: 'translate(10, 10)',
|
r: 6,
|
fill: '#34495e'
|
}
|
}
|
|
}, joint.shapes.basic.Generic.prototype.defaults)
|
|
});
|
|
joint.shapes.uml.Transition = joint.dia.Link.extend({
|
defaults: {
|
type: 'uml.Transition',
|
attrs: {
|
'.marker-target': { d: 'M 10 0 L 0 5 L 10 10 z', fill: '#34495e', stroke: '#2c3e50' },
|
'.connection': { stroke: '#2c3e50' }
|
}
|
}
|
});
|
|
// JointJS library.
|
// (c) 2011-2013 client IO
|
|
joint.shapes.logic = {};
|
|
joint.shapes.logic.Gate = joint.shapes.basic.Generic.extend({
|
|
defaults: joint.util.deepSupplement({
|
|
type: 'logic.Gate',
|
size: { width: 80, height: 40 },
|
attrs: {
|
'.': { magnet: false },
|
'.body': { width: 100, height: 50 },
|
circle: { r: 7, stroke: 'black', fill: 'transparent', 'stroke-width': 2 }
|
}
|
|
}, joint.shapes.basic.Generic.prototype.defaults),
|
|
operation: function() { return true; }
|
});
|
|
joint.shapes.logic.IO = joint.shapes.logic.Gate.extend({
|
|
markup: '<g class="rotatable"><g class="scalable"><rect class="body"/></g><path class="wire"/><circle/><text/></g>',
|
|
defaults: joint.util.deepSupplement({
|
|
type: 'logic.IO',
|
size: { width: 60, height: 30 },
|
attrs: {
|
'.body': { fill: 'white', stroke: 'black', 'stroke-width': 2 },
|
'.wire': { ref: '.body', 'ref-y': .5, stroke: 'black' },
|
text: {
|
fill: 'black',
|
ref: '.body', 'ref-x': .5, 'ref-y': .5, 'y-alignment': 'middle',
|
'text-anchor': 'middle',
|
'font-weight': 'bold',
|
'font-variant': 'small-caps',
|
'text-transform': 'capitalize',
|
'font-size': '14px'
|
}
|
}
|
|
}, joint.shapes.logic.Gate.prototype.defaults)
|
|
});
|
|
joint.shapes.logic.Input = joint.shapes.logic.IO.extend({
|
|
defaults: joint.util.deepSupplement({
|
|
type: 'logic.Input',
|
attrs: {
|
'.wire': { 'ref-dx': 0, d: 'M 0 0 L 23 0' },
|
circle: { ref: '.body', 'ref-dx': 30, 'ref-y': 0.5, magnet: true, 'class': 'output', port: 'out' },
|
text: { text: 'input' }
|
}
|
|
}, joint.shapes.logic.IO.prototype.defaults)
|
});
|
|
joint.shapes.logic.Output = joint.shapes.logic.IO.extend({
|
|
defaults: joint.util.deepSupplement({
|
|
type: 'logic.Output',
|
attrs: {
|
'.wire': { 'ref-x': 0, d: 'M 0 0 L -23 0' },
|
circle: { ref: '.body', 'ref-x': -30, 'ref-y': 0.5, magnet: 'passive', 'class': 'input', port: 'in' },
|
text: { text: 'output' }
|
}
|
|
}, joint.shapes.logic.IO.prototype.defaults)
|
|
});
|
|
|
joint.shapes.logic.Gate11 = joint.shapes.logic.Gate.extend({
|
|
markup: '<g class="rotatable"><g class="scalable"><image class="body"/></g><circle class="input"/><circle class="output"/></g>',
|
|
defaults: joint.util.deepSupplement({
|
|
type: 'logic.Gate11',
|
attrs: {
|
'.input': { ref: '.body', 'ref-x': -2, 'ref-y': 0.5, magnet: 'passive', port: 'in' },
|
'.output': { ref: '.body', 'ref-dx': 2, 'ref-y': 0.5, magnet: true, port: 'out' }
|
}
|
|
}, joint.shapes.logic.Gate.prototype.defaults)
|
});
|
|
joint.shapes.logic.Gate21 = joint.shapes.logic.Gate.extend({
|
|
markup: '<g class="rotatable"><g class="scalable"><image class="body"/></g><circle class="input input1"/><circle class="input input2"/><circle class="output"/></g>',
|
|
defaults: joint.util.deepSupplement({
|
|
type: 'logic.Gate21',
|
attrs: {
|
'.input1': { ref: '.body', 'ref-x': -2, 'ref-y': 0.3, magnet: 'passive', port: 'in1' },
|
'.input2': { ref: '.body', 'ref-x': -2, 'ref-y': 0.7, magnet: 'passive', port: 'in2' },
|
'.output': { ref: '.body', 'ref-dx': 2, 'ref-y': 0.5, magnet: true, port: 'out' }
|
}
|
|
}, joint.shapes.logic.Gate.prototype.defaults)
|
|
});
|
|
joint.shapes.logic.Repeater = joint.shapes.logic.Gate11.extend({
|
|
defaults: joint.util.deepSupplement({
|
|
type: 'logic.Repeater',
|
attrs: { image: { 'xlink:href': 'data:image/svg+xml;base64,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' }}
|
|
}, joint.shapes.logic.Gate11.prototype.defaults),
|
|
operation: function(input) {
|
return input;
|
}
|
|
});
|
|
joint.shapes.logic.Not = joint.shapes.logic.Gate11.extend({
|
|
defaults: joint.util.deepSupplement({
|
|
type: 'logic.Not',
|
attrs: { image: { 'xlink:href': 'data:image/svg+xml;base64,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' }}
|
|
}, joint.shapes.logic.Gate11.prototype.defaults),
|
|
operation: function(input) {
|
return !input;
|
}
|
|
});
|
|
joint.shapes.logic.Or = joint.shapes.logic.Gate21.extend({
|
|
defaults: joint.util.deepSupplement({
|
|
type: 'logic.Or',
|
attrs: { image: { 'xlink:href': 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}}
|
|
}, joint.shapes.logic.Gate21.prototype.defaults),
|
|
operation: function(input1, input2) {
|
return input1 || input2;
|
}
|
|
});
|
|
joint.shapes.logic.And = joint.shapes.logic.Gate21.extend({
|
|
defaults: joint.util.deepSupplement({
|
|
type: 'logic.And',
|
attrs: { image: { 'xlink:href': 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' }}
|
|
}, joint.shapes.logic.Gate21.prototype.defaults),
|
|
operation: function(input1, input2) {
|
return input1 && input2;
|
}
|
|
});
|
|
joint.shapes.logic.Nor = joint.shapes.logic.Gate21.extend({
|
|
defaults: joint.util.deepSupplement({
|
|
type: 'logic.Nor',
|
attrs: { image: { 'xlink:href': 'data:image/svg+xml;base64,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' }}
|
|
}, joint.shapes.logic.Gate21.prototype.defaults),
|
|
operation: function(input1, input2) {
|
return !(input1 || input2);
|
}
|
|
});
|
|
joint.shapes.logic.Nand = joint.shapes.logic.Gate21.extend({
|
|
defaults: joint.util.deepSupplement({
|
|
type: 'logic.Nand',
|
attrs: { image: { 'xlink:href': 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}}
|
|
}, joint.shapes.logic.Gate21.prototype.defaults),
|
|
operation: function(input1, input2) {
|
return !(input1 && input2);
|
}
|
|
});
|
|
joint.shapes.logic.Xor = joint.shapes.logic.Gate21.extend({
|
|
defaults: joint.util.deepSupplement({
|
|
type: 'logic.Xor',
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|
|
}, joint.shapes.logic.Gate21.prototype.defaults),
|
|
operation: function(input1, input2) {
|
return (!input1 || input2) && (input1 || !input2);
|
}
|
|
});
|
|
joint.shapes.logic.Xnor = joint.shapes.logic.Gate21.extend({
|
|
defaults: joint.util.deepSupplement({
|
|
type: 'logic.Xnor',
|
attrs: { image: { 'xlink:href': 'data:image/svg+xml;base64,<?xml version="1.0" encoding="UTF-8" standalone="no"?>
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|
|
}, joint.shapes.logic.Gate21.prototype.defaults),
|
|
operation: function(input1, input2) {
|
return (!input1 || !input2) && (input1 || input2);
|
}
|
|
});
|
|
joint.shapes.logic.Wire = joint.dia.Link.extend({
|
|
arrowheadMarkup: [
|
'<g class="marker-arrowhead-group marker-arrowhead-group-<%= end %>">',
|
'<circle class="marker-arrowhead" end="<%= end %>" r="7"/>',
|
'</g>'
|
].join(''),
|
|
vertexMarkup: [
|
'<g class="marker-vertex-group" transform="translate(<%= x %>, <%= y %>)">',
|
'<circle class="marker-vertex" idx="<%= idx %>" r="10" />',
|
'<g class="marker-vertex-remove-group">',
|
'<path class="marker-vertex-remove-area" idx="<%= idx %>" d="M16,5.333c-7.732,0-14,4.701-14,10.5c0,1.982,0.741,3.833,2.016,5.414L2,25.667l5.613-1.441c2.339,1.317,5.237,2.107,8.387,2.107c7.732,0,14-4.701,14-10.5C30,10.034,23.732,5.333,16,5.333z" transform="translate(5, -33)"/>',
|
'<path class="marker-vertex-remove" idx="<%= idx %>" transform="scale(.8) translate(9.5, -37)" d="M24.778,21.419 19.276,15.917 24.777,10.415 21.949,7.585 16.447,13.087 10.945,7.585 8.117,10.415 13.618,15.917 8.116,21.419 10.946,24.248 16.447,18.746 21.948,24.248z">',
|
'<title>Remove vertex.</title>',
|
'</path>',
|
'</g>',
|
'</g>'
|
].join(''),
|
|
defaults: joint.util.deepSupplement({
|
|
type: 'logic.Wire',
|
|
attrs: {
|
'.connection': { 'stroke-width': 2 },
|
'.marker-vertex': { r: 7 }
|
},
|
|
router: { name: 'orthogonal' },
|
connector: { name: 'rounded', args: { radius: 10 }}
|
|
}, joint.dia.Link.prototype.defaults)
|
|
});
|
|
if (typeof exports === 'object') {
|
|
var graphlib = require('graphlib');
|
var dagre = require('dagre');
|
}
|
|
// In the browser, these variables are set to undefined because of JavaScript hoisting.
|
// In that case, should grab them from the window object.
|
graphlib = graphlib || (typeof window !== 'undefined' && window.graphlib);
|
dagre = dagre || (typeof window !== 'undefined' && window.dagre);
|
|
joint.layout.DirectedGraph = {
|
|
layout: function(graphOrCells, opt) {
|
|
var graph;
|
|
if (graphOrCells instanceof joint.dia.Graph) {
|
graph = graphOrCells;
|
} else {
|
graph = (new joint.dia.Graph()).resetCells(graphOrCells);
|
}
|
|
// This is not needed anymore.
|
graphOrCells = null;
|
|
opt = _.defaults(opt || {}, {
|
resizeClusters: true,
|
clusterPadding: 10
|
});
|
|
// create a graphlib.Graph that represents the joint.dia.Graph
|
var glGraph = graph.toGraphLib({
|
directed: true,
|
// We are about to use edge naming feature.
|
multigraph: true,
|
// We are able to layout graphs with embeds.
|
compound: true,
|
setNodeLabel: function(element) {
|
return {
|
width: element.get('size').width,
|
height: element.get('size').height,
|
rank: element.get('rank')
|
};
|
},
|
setEdgeLabel: function(link) {
|
return {
|
minLen: link.get('minLen') || 1
|
};
|
},
|
setEdgeName: function(link) {
|
// Graphlib edges have no ids. We use edge name property
|
// to store and retrieve ids instead.
|
return link.id;
|
}
|
});
|
|
var glLabel = {};
|
|
// Dagre layout accepts options as lower case.
|
// Direction for rank nodes. Can be TB, BT, LR, or RL
|
if (opt.rankDir) glLabel.rankdir = opt.rankDir;
|
// Alignment for rank nodes. Can be UL, UR, DL, or DR
|
if (opt.align) glLabel.align = opt.align;
|
// Number of pixels that separate nodes horizontally in the layout.
|
if (opt.nodeSep) glLabel.nodesep = opt.nodeSep;
|
// Number of pixels that separate edges horizontally in the layout.
|
if (opt.edgeSep) glLabel.edgesep = opt.edgeSep;
|
// Number of pixels between each rank in the layout.
|
if (opt.rankSep) glLabel.ranksep = opt.rankSep;
|
// Number of pixels to use as a margin around the left and right of the graph.
|
if (opt.marginX) glLabel.marginx = opt.marginX;
|
// Number of pixels to use as a margin around the top and bottom of the graph.
|
if (opt.marginY) glLabel.marginy = opt.marginY;
|
|
// Set the option object for the graph label.
|
glGraph.setGraph(glLabel);
|
|
// Executes the layout.
|
dagre.layout(glGraph, { debugTiming: !!opt.debugTiming });
|
|
// Wrap all graph changes into a batch.
|
graph.startBatch('layout');
|
|
// Update the graph.
|
graph.fromGraphLib(glGraph, {
|
importNode: function(v, gl) {
|
|
var element = this.getCell(v);
|
var glNode = gl.node(v);
|
|
if (opt.setPosition) {
|
opt.setPosition(element, glNode);
|
} else {
|
element.set('position', {
|
x: glNode.x - glNode.width / 2,
|
y: glNode.y - glNode.height / 2
|
});
|
}
|
},
|
importEdge: function(edgeObj, gl) {
|
|
var link = this.getCell(edgeObj.name);
|
var glEdge = gl.edge(edgeObj);
|
var points = glEdge.points || [];
|
|
if (opt.setLinkVertices) {
|
if (opt.setVertices) {
|
opt.setVertices(link, points);
|
} else {
|
// Remove the first and last point from points array.
|
// Those are source/target element connection points
|
// ie. they lies on the edge of connected elements.
|
link.set('vertices', points.slice(1, points.length - 1));
|
}
|
}
|
}
|
});
|
|
if (opt.resizeClusters) {
|
// Resize and reposition cluster elements (parents of other elements)
|
// to fit their children.
|
// 1. filter clusters only
|
// 2. map id on cells
|
// 3. sort cells by their depth (the deepest first)
|
// 4. resize cell to fit their direct children only.
|
_.chain(glGraph.nodes())
|
.filter(function(v) { return glGraph.children(v).length > 0; })
|
.map(graph.getCell, graph)
|
.sortBy(function(cluster) { return -cluster.getAncestors().length; })
|
.invoke('fitEmbeds', { padding: opt.clusterPadding })
|
.value();
|
}
|
|
graph.stopBatch('layout');
|
|
// Return an object with height and width of the graph.
|
return glGraph.graph();
|
},
|
|
fromGraphLib: function(glGraph, opt) {
|
|
opt = opt || {};
|
|
var importNode = opt.importNode || _.noop;
|
var importEdge = opt.importEdge || _.noop;
|
var graph = this instanceof joint.dia.Graph ? this : new joint.dia.Graph;
|
|
// Import all nodes.
|
glGraph.nodes().forEach(function(node) {
|
importNode.call(graph, node, glGraph, graph, opt);
|
});
|
|
// Import all edges.
|
glGraph.edges().forEach(function(edge) {
|
importEdge.call(graph, edge, glGraph, graph, opt);
|
});
|
|
return graph;
|
},
|
|
// Create new graphlib graph from existing JointJS graph.
|
toGraphLib: function(graph, opt) {
|
|
opt = opt || {};
|
|
var glGraphType = _.pick(opt, 'directed', 'compound', 'multigraph');
|
var glGraph = new graphlib.Graph(glGraphType);
|
var setNodeLabel = opt.setNodeLabel || _.noop;
|
var setEdgeLabel = opt.setEdgeLabel || _.noop;
|
var setEdgeName = opt.setEdgeName || _.noop;
|
|
graph.get('cells').each(function(cell) {
|
|
if (cell.isLink()) {
|
|
var source = cell.get('source');
|
var target = cell.get('target');
|
|
// Links that end at a point are ignored.
|
if (!source.id || !target.id) return;
|
|
// Note that if we are creating a multigraph we can name the edges. If
|
// we try to name edges on a non-multigraph an exception is thrown.
|
glGraph.setEdge(source.id, target.id, setEdgeLabel(cell), setEdgeName(cell));
|
|
} else {
|
|
glGraph.setNode(cell.id, setNodeLabel(cell));
|
|
// For the compound graphs we have to take embeds into account.
|
if (glGraph.isCompound() && cell.has('parent')) {
|
glGraph.setParent(cell.id, cell.get('parent'));
|
}
|
}
|
});
|
|
return glGraph;
|
}
|
};
|
|
joint.dia.Graph.prototype.toGraphLib = function(opt) {
|
|
return joint.layout.DirectedGraph.toGraphLib(this, opt);
|
};
|
|
joint.dia.Graph.prototype.fromGraphLib = function(glGraph, opt) {
|
|
return joint.layout.DirectedGraph.fromGraphLib.call(this, glGraph, opt);
|
};
|
|
|
joint.g = g;
|
joint.V = joint.Vectorizer = V;
|
|
return joint;
|
|
}));
|
