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/*
 * PainterPropertyEditor.java
 *
 * Created on March 21, 2006, 11:26 AM
 *
 * To change this template, choose Tools | Template Manager
 * and open the template in the editor.
 */

package org.jdesktop.beans.editors;

import java.awt.Color;
import java.awt.GradientPaint;
import java.awt.Insets;
import java.awt.LinearGradientPaint;
import java.awt.RadialGradientPaint;
import java.awt.MultipleGradientPaint.ColorSpaceType;
import java.awt.geom.AffineTransform;
import java.awt.geom.Arc2D;
import java.awt.geom.Area;
import java.awt.geom.CubicCurve2D;
import java.awt.geom.Ellipse2D;
import java.awt.geom.GeneralPath;
import java.awt.geom.Line2D;
import java.awt.geom.PathIterator;
import java.awt.geom.Point2D;
import java.awt.geom.QuadCurve2D;
import java.awt.geom.Rectangle2D;
import java.awt.geom.RoundRectangle2D;
import java.beans.DefaultPersistenceDelegate;
import java.beans.Encoder;
import java.beans.Expression;
import java.beans.PersistenceDelegate;
import java.beans.PropertyEditorSupport;
import java.beans.Statement;
import java.beans.XMLEncoder;
import java.io.ByteArrayOutputStream;

import org.jdesktop.swingx.painter.Painter;

/**
 * Two parts to this property editor. The first part is a simple dropdown.
 * The second part is a complicated UI for constructing multiple "layers" of
 * various different Painters, including gradient painters.
 *
 * @author Richard
 */
public class PainterPropertyEditor extends PropertyEditorSupport {
    /** Creates a new instance of PainterPropertyEditor */
    public PainterPropertyEditor() {
    }
    
    @Override
    public Painter getValue() {
        return (Painter)super.getValue();
    }
    
    @Override
    public String getJavaInitializationString() {
        Painter painter = getValue();
        //TODO!!!
        return painter == null ? "null" :
            "new org.jdesktop.swingx.painter.CheckerboardPainter()";
    }
    
    public static final class GradientPaintDelegate extends DefaultPersistenceDelegate {
        public GradientPaintDelegate() {
            super(new String[] {"point1", "color1", "point2", "color2"});
        }
    }
    public static final class LinearGradientPaintDelegate extends DefaultPersistenceDelegate {
        public LinearGradientPaintDelegate() {
            super(new String[] {"startPoint", "endPoint", "fractions", "colors"});
            //these 3 not yet supported. The problem is the
            //colorspace. I haven't figured out how to transfer that one yet
            //, "cycleMethod", "colorSpace", "transform"});
        }
        
        @Override
        protected Expression instantiate(Object oldInstance, Encoder out) {
            
            ColorSpaceType e = ((LinearGradientPaint)oldInstance).getColorSpace();
            Expression retValue;
            
            retValue = super.instantiate(oldInstance, out);
            return retValue;
        }
    }
    public static final class RadialGradientPaintDelegate extends DefaultPersistenceDelegate {
        public RadialGradientPaintDelegate() {
            super(new String[] {"centerPoint", "radius", "focusPoint", "fractions", "colors"});
            //these 3 not yet supported. The problem is the
            //colorspace. I haven't figured out how to transfer that one yet
            //, "cycleMethod", "colorSpace", "transform"});
        }
    }
    public static final class Arc2DDelegate extends DefaultPersistenceDelegate {
        public Arc2DDelegate() {
            super(new String[] {"x", "y", "width", "height", "angleStart", "angleExtent", "arcType"});
        }
    }
    public static final class CubicCurve2DDelegate extends DefaultPersistenceDelegate {
        public CubicCurve2DDelegate() {
            super(new String[] {"x1", "y1", "ctrlX1", "ctrlY1", "ctrlX2", "ctrlY2", "x2", "y2"});
        }
    }
    public static final class Ellipse2DDelegate extends DefaultPersistenceDelegate {
        public Ellipse2DDelegate() {
            super(new String[] {"x", "y", "width", "height"});
        }
    }
    public static final class Line2DDelegate extends DefaultPersistenceDelegate {
        public Line2DDelegate() {
            super(new String[] {"x1", "y1", "x2", "y2"});
        }
    }
    public static final class Point2DDelegate extends DefaultPersistenceDelegate {
        public Point2DDelegate() {
            super(new String[] {"x", "y"});
        }/*
    protected Expression instantiate(Object oldInstance, Encoder out) {
       Point2D pt = (Point2D)oldInstance;
       Object[] constructorArgs = new Object[]{
       pt.getX(), pt.getY()
       };
       return new Expression(new Point2D.Double(-1,-1), oldInstance.getClass(), "new", constructorArgs);
   } */
   /*
        protected void initialize(Class type, Object oldInstance, Object newInstance, Encoder out) {
            super.initialize(type,oldInstance,newInstance,out);
            System.out.println("initialize called: " + type + " " + oldInstance
                    + " " + newInstance + " " + out);
        }*/
        
    }
    public static final class QuadCurve2DDelegate extends DefaultPersistenceDelegate {
        public QuadCurve2DDelegate() {
            super(new String[] {"x1", "y1", "ctrlX", "ctrlY", "x2", "y2"});
        }
    }
    public static final class Rectangle2DDelegate extends DefaultPersistenceDelegate {
        public Rectangle2DDelegate() {
            super(new String[] {"x", "y", "width", "height"});
        }
    }
    public static final class InsetsDelegate extends DefaultPersistenceDelegate {
        public InsetsDelegate() {
            super(new String[] {"top", "left", "bottom", "right"});
        }
        @Override
        protected Expression instantiate(Object oldInstance,
                Encoder out) {
            Insets ins = (Insets)oldInstance;
            return new Expression(oldInstance,
                    oldInstance.getClass(),
                    "new",
                    new Object[]{ ins.top, ins.left, ins.bottom, ins.right });
        }
    }
    public static final class RoundRectangle2DDelegate extends DefaultPersistenceDelegate {
        public RoundRectangle2DDelegate() {
            super(new String[] {"x", "y", "width", "height", "arcWidth", "arcHeight"});
        }
    }
    public static final class AreaDelegate extends PersistenceDelegate {
        @Override
        protected Expression instantiate(Object oldInstance, Encoder out) {
            Area a = (Area)oldInstance;
            
            //use the default constructor
            AffineTransform tx = new AffineTransform();
            PathIterator itr = a.getPathIterator(tx);
            
            GeneralPath path = new GeneralPath();
            out.writeExpression(new Expression(path, GeneralPath.class, "new", new Object[0]));
            
            while (!itr.isDone()) {
                float[] segment = new float[6]; //must use floats because lineTo etc use floats
                int pathType = itr.currentSegment(segment);
                
                switch (pathType) {
                    case PathIterator.SEG_CLOSE:
                        out.writeStatement(new Statement(path, "closePath", new Object[0]));
                        break;
                    case PathIterator.SEG_CUBICTO:
                        out.writeStatement(new Statement(path, "curveTo", new Object[] {segment[0], segment[1], segment[2], segment[3], segment[4], segment[5]}));
                        break;
                    case PathIterator.SEG_LINETO:
                        out.writeStatement(new Statement(path, "lineTo", new Object[] {segment[0], segment[1]}));
                        break;
                    case PathIterator.SEG_MOVETO:
                        out.writeStatement(new Statement(path, "moveTo", new Object[] {segment[0], segment[1]}));
                        break;
                    case PathIterator.SEG_QUADTO:
                        out.writeStatement(new Statement(path, "quadTo", new Object[] {segment[0], segment[1], segment[2], segment[3]}));
                        break;
                }
                itr.next();
            }
            
            return new Expression(a, Area.class, "new", new Object[] {path});
        }
    }
    public static final class AffineTransformDelegate extends DefaultPersistenceDelegate {
        public AffineTransformDelegate() {
            super(new String[] {"scaleX", "shearY", "shearX", "scaleY", "translateX", "translateY"});
        }
    }
    public static final class GeneralPathDelegate extends PersistenceDelegate {
        @Override
        protected Expression instantiate(Object oldInstance, Encoder out) {
            return new Expression(oldInstance, GeneralPath.class, "new", new Object[0]);
        }
        @Override
        protected void initialize(Class type, Object oldInstance, Object newInstance, Encoder out) {
            GeneralPath a = (GeneralPath)oldInstance;
            
            AffineTransform tx = new AffineTransform();
            PathIterator itr = a.getPathIterator(tx);
            
            out.writeStatement(new Statement(a, "setWindingRule", new Object[] {a.getWindingRule()}));
            
            while (!itr.isDone()) {
                float[] segment = new float[6]; //must use floats because lineTo etc use floats
                int pathType = itr.currentSegment(segment);
                
                switch (pathType) {
                    case PathIterator.SEG_CLOSE:
                        out.writeStatement(new Statement(a, "closePath", new Object[0]));
                        break;
                    case PathIterator.SEG_CUBICTO:
                        out.writeStatement(new Statement(a, "curveTo", new Object[] {segment[0], segment[1], segment[2], segment[3], segment[4], segment[5]}));
                        break;
                    case PathIterator.SEG_LINETO:
                        out.writeStatement(new Statement(a, "lineTo", new Object[] {segment[0], segment[1]}));
                        break;
                    case PathIterator.SEG_MOVETO:
                        out.writeStatement(new Statement(a, "moveTo", new Object[] {segment[0], segment[1]}));
                        break;
                    case PathIterator.SEG_QUADTO:
                        out.writeStatement(new Statement(a, "quadTo", new Object[] {segment[0], segment[1], segment[2], segment[3]}));
                        break;
                }
                itr.next();
            }
        }
    }
//    public static final class PaintDelegate extends PersistenceDelegate {
//        protected Expression instantiate(Object oldInstance, Encoder out) {
//            if (oldInstance instanceof GradientPaint) {
//
//            }
//        }
//    }
}




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