package com.ximple.io.dgn7;

//~--- JDK imports ------------------------------------------------------------

import java.util.ArrayList;
import java.util.Collection;
import java.util.Iterator;
import java.util.List;
import java.util.ListIterator;

import org.apache.log4j.Logger;

import com.vividsolutions.jts.geom.Coordinate;
import com.vividsolutions.jts.geom.Geometry;
import com.vividsolutions.jts.geom.GeometryFactory;

import com.ximple.util.DgnUtility;

/**
 * TextNodeElement
 *
 * @author Ulysses
 * @version 0.1
 * @since 2006/5/18 下午 04:02:58
 */
public class TextNodeElement extends Element implements ComplexElement, GeometryConverter
{
    private static final Logger logger = Logger.getLogger(TextElement.class);

    private ArrayList list = new ArrayList();

    public TextNodeElement(byte[] raw)
    {
        super(raw);
    }

    public int size()
    {
        return list.size();
    }

    public boolean isEmpty()
    {
        return list.isEmpty();
    }

    public boolean contains(Object o)
    {
        return list.contains(o);
    }

    public Iterator iterator()
    {
        return list.iterator();
    }

    public Object[] toArray()
    {
        return list.toArray();
    }

    public boolean add(Object o)
    {
        return list.add(o);
    }

    public boolean remove(Object o)
    {
        return list.remove(o);
    }

    public boolean addAll(Collection c)
    {
        return list.addAll(c);
    }

    public boolean addAll(int index, Collection c)
    {
        return list.addAll(index, c);
    }

    public void clear()
    {
        list.clear();
    }

    public Object get(int index)
    {
        return list.get(index);
    }

    public Object set(int index, Object element)
    {
        return list.set(index, element);
    }

    public void add(int index, Object element)
    {
        list.add(index, element);
    }

    public Object remove(int index)
    {
        return list.remove(index);
    }

    public int indexOf(Object o)
    {
        return list.indexOf(o);
    }

    public int lastIndexOf(Object o)
    {
        return list.lastIndexOf(o);
    }

    public ListIterator listIterator()
    {
        return list.listIterator();
    }

    public ListIterator listIterator(int index)
    {
        return list.listIterator(index);
    }

    public List subList(int fromIndex, int toIndex)
    {
        return list.subList(fromIndex, toIndex);
    }

    public boolean retainAll(Collection c)
    {
        return list.retainAll(c);
    }

    public boolean removeAll(Collection c)
    {
        return list.removeAll(c);
    }

    public boolean containsAll(Collection c)
    {
        return list.containsAll(c);
    }

    public Object[] toArray(Object[] a)
    {
        return list.toArray(a);
    }

    public String[] getTextArray()
    {
        ArrayList list = new ArrayList();

        for (ListIterator it = listIterator(); it.hasNext();)
        {
            Element element = (Element) it.next();

            if (element instanceof TextElement)
            {
                list.add(((TextElement) element).getText());
            }
        }

        return (String[]) list.toArray(new String[list.size()]);
    }

    public Geometry toGeometry(GeometryFactory factory)
    {
        /*
         * CoordinateList coords = new CoordinateList();
         * for (ListIterator it = listIterator(); it.hasNext(); )
         * {
         *   Element element = (Element) it.next();
         *   if (element instanceof TextElement)
         *   {
         *       coords.add(((TextElement) element).getUserOrigin());
         *   }
         * }
         */
        return factory.createPoint(getOrigin());

        // return factory.createMultiPoint(coords.toCoordinateArray());
    }

    public int getTotalWords()
    {
        return (raw[18] & 0x0000ffff);
    }

    public void setTotalWords(int value)
    {
        raw[18] = (short) (value & 0x0000ffff);
    }

    public int getNumString()
    {
        return (raw[19] & 0x0000ffff);
    }

    public void setNumString(int value)
    {
        raw[19] = (short) (value & 0x0000ffff);
    }

    public int getNodeNumber()
    {
        return (raw[20] & 0x0000ffff);
    }

    public void setNodeNumber(int value)
    {
        raw[20] = (short) (value & 0x0000ffff);
    }

    public int getMaxLength()
    {
        return (raw[21] & 0x00ff);
    }

    public void setMaxLength(int value)
    {
        raw[21] = (short) ((value & 0x00ff) | (raw[21] & 0xff00));
    }

    public int getMaxUsed()
    {
        return ((raw[21] >> 8) & 0x00ff);
    }

    public void setMaxUsed(int value)
    {
        raw[21] = (short) (((value << 8) & 0xff00) | (raw[21] & 0x00ff));
    }

    public int getJustification()
    {
        return ((raw[22] >> 8) & 0x00ff);
    }

    public void setJustification(int value)
    {
        raw[22] = (short) (((value << 8) & 0xff00) | (raw[22] & 0x00ff));
    }
    
    public int getFontIndex()
    {
        return (raw[22] & 0x00ff);
    }

    public void setFontIndex(int value)
    {
        raw[22] = (short) ((value & 0x00ff) | (raw[22] & 0xff00));
    }

    public double getLineSpacing()
    {
        int lineSpace;
        lineSpace = ((raw[23] & 0x0000ffff) << 16) | (raw[24] & 0x0000ffff);

        return lineSpace;
    }

    public void setLineSpacing(double value)
    {
        int temp = (int) (value*1000.0);
        raw[23] = (short) ((temp >> 16) & 0x0000ffff);
        raw[24] = (short) (temp & 0x0000ffff);
    }

    public double getTextNodeLength()
    {
        int lengthMult;

        lengthMult = ((raw[25] << 16) & 0xffff0000);
        lengthMult += (raw[26] & 0x0000ffff);

        return DgnUtility.converIntToDouble(lengthMult);
    }

    public void setTextNodeLength(double value)
    {
        int temp = DgnUtility.converDoubleToInt(value);
        raw[25] = (short) ((temp >> 16) & 0x0000ffff);
        raw[26] = (short) (temp & 0x0000ffff);
    }

    public double getTextNodeHeight()
    {
        int heightMult;

        heightMult = ((raw[27] << 16) & 0xffff0000);
        heightMult += (raw[28] & 0x0000ffff);

        return DgnUtility.converIntToDouble(heightMult);
    }

    public void setTextNodeHeight(double value)
    {
        int temp = DgnUtility.converDoubleToInt(value);
        raw[27] = (short) ((temp >> 16) & 0x0000ffff);
        raw[28] = (short) (temp & 0x0000ffff);
    }

    public double getRotationAngle()
    {
        int rotation = (raw[29] << 16 & 0xffff0000);
        rotation += raw[30];

        return DgnUtility.converIntToRotation(rotation);
    }

    public void setRotationAngle(double value)
    {
        int temp = DgnUtility.converRotatioToInt(value);
        raw[29] = (short) (temp >> 16 & 0x0000ffff);
        raw[30] = (short) (temp & 0x0000ffff);
    }

    public Coordinate getOrigin()
    {
        int x = ((raw[31] << 16) & 0xffff0000) | (raw[32] & 0x0000ffff);
        double dx = DgnUtility.converUnitToCoord(x);
        // return DgnUtility.convertFromDGN(x);

        int y = ((raw[33] << 16) & 0xffff0000) | (raw[34] & 0x0000ffff);
        double dy = DgnUtility.converUnitToCoord(y);

        return new Coordinate(dx, dy);
    }

    public void setOrigin(Coordinate value)
    {
        int x = DgnUtility.converCoordToUnit(value.x);
        raw[31] = (short) (x >> 16 & 0x0000ffff);
        raw[32] = (short) (x & 0x0000ffff);

        int y = DgnUtility.converCoordToUnit(value.y);
        raw[33] = (short) (y >> 16 & 0x0000ffff);
        raw[34] = (short) (y & 0x0000ffff);
    }

    public Object clone() throws CloneNotSupportedException
    {
        int pos = this.rawBuffer.position();
        this.rawBuffer.position(0);
        byte[] rawBytes = this.rawBuffer.array();
        byte[] otherRaw = new byte[rawBytes.length];
        System.arraycopy(rawBytes, 0, otherRaw, 0, rawBytes.length);
        this.rawBuffer.position(pos);

        TextNodeElement other = new TextNodeElement(otherRaw);
        for (Object o : this)
        {
            TextElement textElm = (TextElement) o;
            other.add(textElm.clone());
        }

        return other;
    }

    public static class ElementHandler extends Element.ElementHandler
    {
        private static ElementHandler instance = null;

        public ElementHandler()
        {
            super(ElementType.TEXTNODE);
        }

        public static IElementHandler getInstance()
        {
            if (instance == null)
            {
                instance = new ElementHandler();
            }

            return instance;
        }

        protected Element createElement(byte[] raw)
        {
            return new TextNodeElement(raw);
        }
    }
}