/*
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* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
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* 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.
*
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/*
* 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);
}
}
}