/*
 * CustomSelectionColor.java
 *
 */

import demo.view.ViewActionDemo;

import java.awt.*;

import y.base.*;
import y.view.*;

public class CustomSelectionColor extends ViewActionDemo
{
  Graph2D graph = null;
  
  public CustomSelectionColor()
  {
    MyShapeNodeRealizer msnr = new MyShapeNodeRealizer();
    // The node's original fill color should be used when it gets selected. 
    // Effectively, this means that there are only the resize knobs painted. 
    msnr.useOriginalFillColor(true);
    
    graph = view.getGraph2D();
    graph.setDefaultNodeRealizer(msnr);
  }
  
  public class MyShapeNodeRealizer extends ShapeNodeRealizer
  {
    protected boolean useOriginalFillColor = true;
    
    public void useOriginalFillColor(boolean value)
    {
      useOriginalFillColor = value;
    }
    
    public boolean isOriginalFillColor()
    {
      return useOriginalFillColor;
    }
    
    // Defines customized selection indication behavior. 
    protected void paintNode(Graphics2D gfx)
    {
      if (isSelected())
      {
        final Color originalFillColor = getFillColor();
        
        if (useOriginalFillColor)
        {
          Color c = new Color(0, 0, 0){
            public Color darker(){ return originalFillColor; }
          };
          setFillColor(c);
        }
        super.paintNode(gfx);
        setFillColor(originalFillColor);
      }
      else
        super.paintNode(gfx);
    }
    
    public MyShapeNodeRealizer()
    {
      super();
    }
    
    public MyShapeNodeRealizer(NodeRealizer arg)
    {
      super(arg);
    }
    
    // This method is essential. 
    // Without it, class MyShapeNodeRealizer would not work properly! 
    public NodeRealizer createCopy(NodeRealizer arg)
    {
      MyShapeNodeRealizer msnr = new MyShapeNodeRealizer(arg);
      msnr.useOriginalFillColor = this.useOriginalFillColor;
      
      return r;
    }
  }
  
  public static void main(String args[])
  {
    CustomSelectionColor demo = new CustomSelectionColor();
    demo.startInFrame("Custom Selection Color");
  }
}