1. /*

  2.  * @(#)TreeCellRenderer.java	1.16 00/02/02

  3.  *

  4.  * Copyright 1997-2000 Sun Microsystems, Inc. All Rights Reserved.

  5.  * 

  6.  * This software is the proprietary information of Sun Microsystems, Inc.  

  7.  * Use is subject to license terms.

  8.  * 

  9.  */

  10. package javax.swing.tree;

  11. 

  12. import java.awt.Component;

  13. import javax.swing.JTree;

  14. 

  15. /**

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

  17.  * See <a

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

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

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

  21.  * that displays custom icons.

  22.  *

  23.  * @version 1.16 02/02/00

  24.  * @author Rob Davis

  25.  * @author Ray Ryan

  26.  * @author Scott Violet

  27.  */

  28. public interface TreeCellRenderer {

  29. 

  30.     /**

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

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

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

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

  35.      * leaf anf if <code>hasFocus</code> is true the node currently has

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

  37.      * configured for.

  38.      * Returns the Component that the renderer uses to draw the value.

  39.      *

  40.      * @return	Component that the renderer uses to draw the value.

  41.      */

  42.     Component getTreeCellRendererComponent(JTree tree, Object value,

  43. 				   boolean selected, boolean expanded,

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

  45. 

  46. }