singleleaftreeselectionmodel.java

jpda例子文件

/*
 * @(#)SingleLeafTreeSelectionModel.java	1.7 03/01/23
 *
 * Copyright 2003 Sun Microsystems, Inc. All rights reserved.
 * SUN PROPRIETARY/CONFIDENTIAL. Use is subject to license terms.
 */
/*
 * Copyright (c) 1997-1999 by Sun Microsystems, Inc. All Rights Reserved.
 * 
 * Sun grants you ("Licensee") a non-exclusive, royalty free, license to use,
 * modify and redistribute this software in source and binary code form,
 * provided that i) this copyright notice and license appear on all copies of
 * the software; and ii) Licensee does not utilize the software in a manner
 * which is disparaging to Sun.
 * 
 * This software is provided "AS IS," without a warranty of any kind. ALL
 * EXPRESS OR IMPLIED CONDITIONS, REPRESENTATIONS AND WARRANTIES, INCLUDING ANY
 * IMPLIED WARRANTY OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE OR
 * NON-INFRINGEMENT, ARE HEREBY EXCLUDED. SUN AND ITS LICENSORS SHALL NOT BE
 * LIABLE FOR ANY DAMAGES SUFFERED BY LICENSEE AS A RESULT OF USING, MODIFYING
 * OR DISTRIBUTING THE SOFTWARE OR ITS DERIVATIVES. IN NO EVENT WILL SUN OR ITS
 * LICENSORS BE LIABLE FOR ANY LOST REVENUE, PROFIT OR DATA, OR FOR DIRECT,
 * INDIRECT, SPECIAL, CONSEQUENTIAL, INCIDENTAL OR PUNITIVE DAMAGES, HOWEVER
 * CAUSED AND REGARDLESS OF THE THEORY OF LIABILITY, ARISING OUT OF THE USE OF
 * OR INABILITY TO USE SOFTWARE, EVEN IF SUN HAS BEEN ADVISED OF THE
 * POSSIBILITY OF SUCH DAMAGES.
 * 
 * This software is not designed or intended for use in on-line control of
 * aircraft, air traffic, aircraft navigation or aircraft communications; or in
 * the design, construction, operation or maintenance of any nuclear
 * facility. Licensee represents and warrants that it will not use or
 * redistribute the Software for such purposes.
 */

package com.sun.tools.example.debug.gui;

import javax.swing.*;
import javax.swing.tree.*;

public class SingleLeafTreeSelectionModel extends DefaultTreeSelectionModel {

    SingleLeafTreeSelectionModel() {
	super();
	selectionMode = SINGLE_TREE_SELECTION;
    }

    public void setSelectionPath(TreePath path) {
	if(((TreeNode)(path.getLastPathComponent())).isLeaf()) {
	    super.setSelectionPath(path);
	}
    }

    public void setSelectionPaths(TreePath[] paths) {
	// Only look at first path, as all others will be
	// ignored anyway in single tree selection mode.
	if(((TreeNode)(paths[0].getLastPathComponent())).isLeaf()) {
	    super.setSelectionPaths(paths);
	}
    }

    public void addSelectionPath(TreePath path) {
	if(((TreeNode)(path.getLastPathComponent())).isLeaf()) {
	    super.setSelectionPath(path);
	}
    }

    public void addSelectionPaths(TreePath[] paths) {
	// Only look at first path, as all others will be
	// ignored anyway in single tree selection mode.
	if(((TreeNode)(paths[0].getLastPathComponent())).isLeaf()) {
	    super.addSelectionPaths(paths);
	}
    }
}