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/*
* Copyright (c) 1997, 2011, Oracle and/or its affiliates. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* - Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
*
* - Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* - Neither the name of Oracle nor the names of its
* contributors may be used to endorse or promote products derived
* from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS
* IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
* THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR
* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
* PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
* LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
* NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
import javax.swing.tree.DefaultTreeModel;
import javax.swing.tree.TreeNode;
import javax.swing.tree.TreePath;
import javax.swing.tree.DefaultMutableTreeNode;
import java.awt.Color;
/**
* SampleTreeModel extends JTreeModel to extends valueForPathChanged.
* This method is called as a result of the user editing a value in
* the tree. If you allow editing in your tree, are using TreeNodes
* and the user object of the TreeNodes is not a String, then you're going
* to have to subclass JTreeModel as this example does.
*
* @author Scott Violet
*/
@SuppressWarnings("serial")
public class SampleTreeModel extends DefaultTreeModel {
/**
* Creates a new instance of SampleTreeModel with newRoot set
* to the root of this model.
*/
public SampleTreeModel(TreeNode newRoot) {
super(newRoot);
}
/**
* Subclassed to message setString() to the changed path item.
*/
@Override
public void valueForPathChanged(TreePath path, Object newValue) {
/* Update the user object. */
DefaultMutableTreeNode aNode = (DefaultMutableTreeNode) path.
getLastPathComponent();
SampleData sampleData = (SampleData) aNode.getUserObject();
sampleData.setString((String) newValue);
/* UUUhhhhh, pretty colors. */
sampleData.setColor(Color.green);
/* Since we've changed how the data is to be displayed, message
nodeChanged. */
nodeChanged(aNode);
}
}
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