/*

 * Copyright (c) 1998, 2011, Oracle and/or its affiliates. All rights reserved.

 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.

 *

 * This code is free software; you can redistribute it and/or modify it

 * under the terms of the GNU General Public License version 2 only, as

 * published by the Free Software Foundation.  Oracle designates this

 * particular file as subject to the "Classpath" exception as provided

 * by Oracle in the LICENSE file that accompanied this code.

 *

 * This code is distributed in the hope that it will be useful, but WITHOUT

 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or

 * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License

 * version 2 for more details (a copy is included in the LICENSE file that

 * accompanied this code).

 *

 * You should have received a copy of the GNU General Public License version

 * 2 along with this work; if not, write to the Free Software Foundation,

 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.

 *

 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA

 * or visit www.oracle.com if you need additional information or have any

 * questions.

 */

/*

 * This source code is provided to illustrate the usage of a given feature

 * or technique and has been deliberately simplified. Additional steps

 * required for a production-quality application, such as security checks,

 * input validation and proper error handling, might not be present in

 * this sample code.

 */

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

import javax.swing.tree.*;

public class SingleLeafTreeSelectionModel extends DefaultTreeSelectionModel {

    private static final long serialVersionUID = -7849105107888117679L;

    SingleLeafTreeSelectionModel() {

        super();

        selectionMode = SINGLE_TREE_SELECTION;

    }

    @Override

    public void setSelectionPath(TreePath path) {

        if(((TreeNode)(path.getLastPathComponent())).isLeaf()) {

            super.setSelectionPath(path);

        }

    }

    @Override

    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);

        }

    }

    @Override

    public void addSelectionPath(TreePath path) {

        if(((TreeNode)(path.getLastPathComponent())).isLeaf()) {

            super.setSelectionPath(path);

        }

    }

    @Override

    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);

        }

    }

}