ColorListCellRenderer.java :  » XML-UI » xui32 » com » xoetrope » svgscanner » Java Open Source

package com.xoetrope.svgscanner;

import java.awt.Color;
import java.awt.Dimension;
import java.awt.FontMetrics;
import java.awt.Graphics;
import net.xoetrope.xui.style.XStyle;
import com.xoetrope.swing.list.XAltListCellRenderer;
import java.awt.Component;
import javax.swing.JList;

/**
 *
 * <p> Copyright (c) Xoetrope Ltd., 2001-2007, This software is licensed under
 * the GNU Public License (GPL), please see license.txt for more details. If
 * you make commercial use of this software you must purchase a commercial
 * license from Xoetrope.</p>
 * <p>$Revision: 1.3 $</p>
 */
public class ColorListCellRenderer extends XAltListCellRenderer
{
  
  /** Creates a new instance of ColorListCellRenderer */
  public ColorListCellRenderer() 
  {
  }
  
    /**
   * Render the cell by drawing the text and then two colour swatches and the font size
   * @param g
   */
  public void paintComponent( Graphics g )
  {
    Dimension b = getSize();
    g.setColor( getBackground() );
    g.fillRect( 0, 0, b.width, b.height );
    
    int d = b.height;
    
    String s = getText();
    Color clr = (Color)XStyle.parseColor( s );
    g.setColor( clr );
    g.fillRect( 2, 2, d -4, d - 5 );

    g.setColor( getForeground() );
    g.drawRect( 2, 2, d -4, d - 5 );
    
    FontMetrics fm = g.getFontMetrics();
    int h = fm.getLeading() + fm.getAscent();
    g.drawString( s, d + 6, ( d + h )/ 2 );
  }


  /**
   * Overrides <code>DefaultTreeCellRenderer.getPreferredSize</code> to
   * return slightly wider preferred size value.
   */
  public Dimension getPreferredSize()
  {
    Dimension retDimension = super.getPreferredSize();

    if ( retDimension != null )
      retDimension = new Dimension( Math.max( retDimension.width + 2 * retDimension.height + 32, 100 ),
                                    retDimension.height );
    return retDimension;
  }

  public Component getListCellRendererComponent( JList list, Object value,
                                     int index, boolean isSelected,
                                     boolean cellHasFocus ) 
  { 
    return super.getListCellRendererComponent( list, value,
                                     index, isSelected, cellHasFocus );
  }
}