1. /*

  2.  * @(#)MotifTreeCellRenderer.java	1.11 01/11/29

  3.  *

  4.  * Copyright 2002 Sun Microsystems, Inc. All rights reserved.

  5.  * SUN PROPRIETARY/CONFIDENTIAL. Use is subject to license terms.

  6.  */

  7. 

  8. package com.sun.java.swing.plaf.motif;

  9. 

  10. import javax.swing.*;

  11. import javax.swing.plaf.*;

  12. import javax.swing.tree.*;

  13. import java.awt.*;

  14. import java.awt.event.*;

  15. import java.beans.*;

  16. import java.io.*;

  17. import java.util.*;

  18. 

  19. /**

  20.  * Motif rendered to display a tree cell.

  21.  * <p>

  22.  * <strong>Warning:</strong>

  23.  * Serialized objects of this class will not be compatible with

  24.  * future Swing releases.  The current serialization support is appropriate

  25.  * for short term storage or RMI between applications running the same

  26.  * version of Swing.  A future release of Swing will provide support for

  27.  * long term persistence.

  28.  *

  29.  * @version 1.11 11/29/01

  30.  * @author Jeff Dinkins

  31.  */

  32. public class MotifTreeCellRenderer extends DefaultTreeCellRenderer

  33. {

  34.     static final int LEAF_SIZE = 13;

  35.     static final Icon LEAF_ICON = new IconUIResource(new TreeLeafIcon());

  36. 

  37.     public MotifTreeCellRenderer() {

  38. 	super();

  39.     }

  40. 

  41.     public static Icon loadLeafIcon() {

  42. 	return LEAF_ICON;

  43.     }

  44. 

  45.     /**

  46.      * Icon for a node with no children.

  47.      * <p>

  48.      * <strong>Warning:</strong>

  49.      * Serialized objects of this class will not be compatible with

  50.      * future Swing releases.  The current serialization support is appropriate

  51.      * for short term storage or RMI between applications running the same

  52.      * version of Swing.  A future release of Swing will provide support for

  53.      * long term persistence.

  54.      */

  55.     public static class TreeLeafIcon implements Icon, Serializable {

  56. 

  57. 	Color bg;

  58. 	Color shadow;

  59. 	Color highlight;

  60. 

  61. 	public TreeLeafIcon() {

  62. 	    bg = UIManager.getColor("Tree.iconBackground");

  63. 	    shadow = UIManager.getColor("Tree.iconShadow");

  64. 	    highlight = UIManager.getColor("Tree.iconHighlight");

  65. 	}

  66. 

  67. 	public void paintIcon(Component c, Graphics g, int x, int y) {

  68. 	    g.setColor(bg);

  69. 	    g.fillRect(4, 7, 5, 5);

  70. 

  71. 	    g.drawLine(6, 6, 6, 6);

  72. 	    g.drawLine(3, 9, 3, 9);

  73. 	    g.drawLine(6, 12, 6, 12);

  74. 	    g.drawLine(9, 9, 9, 9);

  75. 

  76. 	    g.setColor(highlight);

  77. 	    g.drawLine(2, 9, 5, 6);

  78. 	    g.drawLine(3, 10, 5, 12);

  79. 

  80. 	    g.setColor(shadow);

  81. 	    g.drawLine(6, 13, 10, 9);

  82. 	    g.drawLine(9, 8, 7, 6);

  83. 	    

  84. 	}

  85. 	

  86. 	public int getIconWidth() {

  87. 	    return LEAF_SIZE;

  88. 	}

  89. 	

  90. 	public int getIconHeight() {

  91. 	    return LEAF_SIZE;

  92. 	}

  93. 	

  94.     }

  95. }