/*
* Copyright 2003,2004,2005 Colin Crist
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*
*/
package hermes.browser.model;
import hermes.Hermes;
import hermes.browser.model.tree.AbstractTreeNode;
import hermes.browser.model.tree.DestinationFragmentTreeNode;
import java.util.StringTokenizer;
import javax.swing.JTree;
import javax.swing.tree.TreeNode;
import javax.swing.tree.TreePath;
import org.apache.log4j.Logger;
/**
* @author colincrist@hermesjms.com
* @version $Id$
*/
public class TreeUtils
{
private static final Logger log = Logger.getLogger(TreeUtils.class);
public static boolean pathContains(TreePath[] paths, Class clazz)
{
for (int i = 0 ; i < paths.length ; i++)
{
for (int j = 0 ; j < paths[i].getPathCount() ; j++)
{
if (clazz.isAssignableFrom(paths[i].getPath()[j].getClass()))
{
return true ;
}
}
}
return false ;
}
public static void add(BrowserTreeModel model, Hermes hermes, String path, String delimiter, AbstractTreeNode root, AbstractTreeNode leaf)
{
AbstractTreeNode currentNode = root;
for (StringTokenizer tokens = new StringTokenizer(path, delimiter); tokens.hasMoreTokens();)
{
String token = tokens.nextToken();
boolean found = false;
for (int i = 0; i < currentNode.getChildCount(); i++)
{
AbstractTreeNode node = (AbstractTreeNode) currentNode.getChildAt(i);
if (node.getId().equals(token))
{
if (!tokens.hasMoreTokens())
{
currentNode.remove(node);
currentNode.add(leaf);
}
else
{
currentNode = node;
}
found = true;
break;
}
}
if (!found)
{
if (tokens.hasMoreTokens())
{
DestinationFragmentTreeNode fragment = new DestinationFragmentTreeNode(hermes, token);
currentNode.add(fragment);
model.nodesWereInserted(currentNode, new int[] { currentNode.getIndex(fragment) }) ;
currentNode = fragment;
}
else
{
currentNode.add(leaf);
model.nodesWereInserted(currentNode, new int[] { currentNode.getIndex(leaf) }) ;
}
}
}
}
public static void expandFully(JTree tree, TreePath path)
{
tree.expandPath(path) ;
TreeNode node = (TreeNode) path.getLastPathComponent() ;
for (int i = 0 ; i < node.getChildCount() ; i++)
{
expandFully(tree, path.pathByAddingChild(node.getChildAt(i))) ;
}
}
}