/*
* Autopsy Forensic Browser
*
* Copyright 2011-2014 Basis Technology Corp.
* Contact: carrier <at> sleuthkit <dot> org
*
* 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 org.sleuthkit.autopsy.directorytree;
import java.awt.event.ActionEvent;
import javax.swing.AbstractAction;
import org.openide.explorer.ExplorerManager;
import org.openide.explorer.view.BeanTreeView;
import org.openide.nodes.Children;
import org.openide.nodes.Node;
/**
*
* @author jantonius
*/
class CollapseAction extends AbstractAction {
CollapseAction(String title) {
super(title);
}
@Override
public void actionPerformed(ActionEvent e) {
ExplorerManager em = DirectoryTreeTopComponent.findInstance().getExplorerManager();
Node[] selectedNode = em.getSelectedNodes();
// Collapse all
BeanTreeView tree = DirectoryTreeTopComponent.findInstance().getTree();
if (selectedNode.length != 0) {
collapseSelectedNode(tree, selectedNode[0]);
} else {
// If no node is selected, all the level-2 nodes (children of the
// root node) are collapsed.
for (Node childOfRoot : em.getRootContext().getChildren().getNodes()) {
collapseSelectedNode(tree, childOfRoot);
}
}
}
/**
* Collapse all visible children of the given node on the given tree.
*
* @param tree the given tree
* @param currentNode the current selectedNode
*/
private void collapseSelectedNode(BeanTreeView tree, Node currentNode) {
Children c = currentNode.getChildren();
for (Node next : c.getNodes()) {
if (tree.isExpanded(next)) {
this.collapseSelectedNode(tree, next);
}
}
tree.collapseNode(currentNode);
}
}