if("object"==typeof exports)var graphlib=require("graphlib"),dagre=require("dagre");graphlib=graphlib||"undefined"!=typeof window&&window.graphlib,dagre=dagre||"undefined"!=typeof window&&window.dagre,joint.layout.DirectedGraph={layout:function(a,b){var c;c=a instanceof joint.dia.Graph?a:(new joint.dia.Graph).resetCells(a),a=null,b=_.defaults(b||{},{resizeClusters:!0,clusterPadding:10});var d=c.toGraphLib({directed:!0,multigraph:!0,compound:!0,setNodeLabel:function(a){return{width:a.get("size").width,height:a.get("size").height,rank:a.get("rank")}},setEdgeLabel:function(a){return{minLen:a.get("minLen")||1}},setEdgeName:function(a){return a.id}}),e={};return b.rankDir&&(e.rankdir=b.rankDir),b.align&&(e.align=b.align),b.nodeSep&&(e.nodesep=b.nodeSep),b.edgeSep&&(e.edgesep=b.edgeSep),b.rankSep&&(e.ranksep=b.rankSep),b.marginX&&(e.marginx=b.marginX),b.marginY&&(e.marginy=b.marginY),d.setGraph(e),dagre.layout(d,{debugTiming:!!b.debugTiming}),c.startBatch("layout"),c.fromGraphLib(d,{importNode:function(a,c){var d=this.getCell(a),e=c.node(a);b.setPosition?b.setPosition(d,e):d.set("position",{x:e.x-e.width/2,y:e.y-e.height/2})},importEdge:function(a,c){var d=this.getCell(a.name),e=c.edge(a),f=e.points||[];b.setLinkVertices&&(b.setVertices?b.setVertices(d,f):d.set("vertices",f.slice(1,f.length-1)))}}),b.resizeClusters&&_.chain(d.nodes()).filter(function(a){return d.children(a).length>0}).map(c.getCell,c).sortBy(function(a){return-a.getAncestors().length}).invoke("fitEmbeds",{padding:b.clusterPadding}).value(),c.stopBatch("layout"),d.graph()},fromGraphLib:function(a,b){b=b||{};var c=b.importNode||_.noop,d=b.importEdge||_.noop,e=this instanceof joint.dia.Graph?this:new joint.dia.Graph;return a.nodes().forEach(function(d){c.call(e,d,a,e,b)}),a.edges().forEach(function(c){d.call(e,c,a,e,b)}),e},toGraphLib:function(a,b){b=b||{};var c=_.pick(b,"directed","compound","multigraph"),d=new graphlib.Graph(c),e=b.setNodeLabel||_.noop,f=b.setEdgeLabel||_.noop,g=b.setEdgeName||_.noop;return a.get("cells").each(function(a){if(a.isLink()){var b=a.get("source"),c=a.get("target");if(!b.id||!c.id)return;d.setEdge(b.id,c.id,f(a),g(a))}else d.setNode(a.id,e(a)),d.isCompound()&&a.has("parent")&&d.setParent(a.id,a.get("parent"))}),d}},joint.dia.Graph.prototype.toGraphLib=function(a){return joint.layout.DirectedGraph.toGraphLib(this,a)},joint.dia.Graph.prototype.fromGraphLib=function(a,b){return joint.layout.DirectedGraph.fromGraphLib.call(this,a,b)};
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