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/* GraphTreeModel.java
* =========================================================================
* This file is part of the GrInvIn project - http://www.grinvin.org
*
* Copyright (C) 2005-2008 Universiteit Gent
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or (at
* your option) any later version.
*
* This program 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 for more details.
*
* A copy of the GNU General Public License can be found in the file
* LICENSE.txt provided with the source distribution of this program (see
* the META-INF directory in the source jar). This license can also be
* found on the GNU website at http://www.gnu.org/licenses/gpl.html.
*
* If you did not receive a copy of the GNU General Public License along
* with this program, contact the lead developer, or write to the Free
* Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
* 02110-1301, USA.
*/
package org.grinvin.list.graphs;
import javax.swing.event.TreeModelListener;
import javax.swing.tree.TreeModel;
import javax.swing.tree.TreePath;
/**
*
*/
public class GraphTreeModel implements TreeModel {
//
private GraphGroup root;
//
private static final GraphTreeModel STANDARD_TREE
= new GraphTreeModel(GraphListElementManager.getInstance().getStandardGraphNodes());
/**
* Return the tree model for the standard invariants that come with GrInvIn.
*/
public static GraphTreeModel getStandardTree() {
return STANDARD_TREE;
}
public GraphTreeModel(GraphGroup root) {
this.root = root;
}
public Object getRoot() {
return root;
}
public Object getChild(Object parent, int index) {
GraphNode node = (GraphNode)parent;
if (node.getChildren() != null)
return node.getChildren().get(index);
else
return null;
}
public int getChildCount(Object parent) {
GraphNode node = (GraphNode)parent;
if (node.getChildren() != null)
return node.getChildren().size();
else
return 0;
}
public boolean isLeaf(Object node) {
return ((GraphNode)node).getChildren() == null;
}
public void valueForPathChanged(TreePath path, Object newValue) { }
public int getIndexOfChild(Object parent, Object child) {
GraphNode node = (GraphNode)parent;
int i = 0;
for (GraphNode graphnode : node.getChildren()) {
if (graphnode == child)
return i;
i++;
}
return -1;
}
public void addTreeModelListener(TreeModelListener l) { }
public void removeTreeModelListener(TreeModelListener l) { }
}
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