1. /*

  2.  * @(#)TreeCellRenderer.java	1.20 03/12/19

  3.  *

  4.  * Copyright 2004 Sun Microsystems, Inc. All rights reserved.

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

  6.  */

  7. package javax.swing.tree;

  8. 

  9. import java.awt.Component;

  10. import javax.swing.JTree;

  11. 

  12. /**

  13.  * Defines the requirements for an object that displays a tree node.

  14.  * See <a

  15.  href="http://java.sun.com/docs/books/tutorial/uiswing/components/tree.html">How to Use Trees</a>

  16.  * in <em>The Java Tutorial</em>

  17.  * for an example of implementing a tree cell renderer

  18.  * that displays custom icons.

  19.  *

  20.  * @version 1.20 12/19/03

  21.  * @author Rob Davis

  22.  * @author Ray Ryan

  23.  * @author Scott Violet

  24.  */

  25. public interface TreeCellRenderer {

  26. 

  27.     /**

  28.      * Sets the value of the current tree cell to <code>value</code>.

  29.      * If <code>selected</code> is true, the cell will be drawn as if

  30.      * selected. If <code>expanded</code> is true the node is currently

  31.      * expanded and if <code>leaf</code> is true the node represets a

  32.      * leaf and if <code>hasFocus</code> is true the node currently has

  33.      * focus. <code>tree</code> is the <code>JTree</code> the receiver is being

  34.      * configured for.  Returns the <code>Component</code> that the renderer

  35.      * uses to draw the value.

  36.      *

  37.      * @return	the <code>Component</code> that the renderer uses to draw the value

  38.      */

  39.     Component getTreeCellRendererComponent(JTree tree, Object value,

  40. 				   boolean selected, boolean expanded,

  41. 				   boolean leaf, int row, boolean hasFocus);

  42. 

  43. }