/*
* Copyright (c) 1995, 2008, 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 or 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.
*/
package javademo.swing.tree.GenealogyExample;
import javax.swing.Icon;
import javax.swing.JTree;
import javax.swing.tree.DefaultTreeCellRenderer;
import javax.swing.tree.TreePath;
import javax.swing.tree.TreeSelectionModel;
@SuppressWarnings("serial")
public class GenealogyTree extends JTree
{
GenealogyModel model;
public GenealogyTree(Person graphNode)
{
super(new GenealogyModel(graphNode));
getSelectionModel().setSelectionMode(TreeSelectionModel.SINGLE_TREE_SELECTION);
DefaultTreeCellRenderer renderer = new DefaultTreeCellRenderer();
Icon personIcon = null;
renderer.setLeafIcon(personIcon);
renderer.setClosedIcon(personIcon);
renderer.setOpenIcon(personIcon);
setCellRenderer(renderer);
}
/**
* Get the selected item in the tree, and call showAncestor with this
* item on the model.
*/
public void showAncestor(boolean b)
{
Object newRoot = null;
TreePath path = getSelectionModel().getSelectionPath();
if (path != null)
{
newRoot = path.getLastPathComponent();
}
((GenealogyModel)getModel()).showAncestor(b, newRoot);
}
}