/*
* mongobrowser - a webstart gui application for viewing,
* editing and administering a Mongo Database
* Copyright 2009-2011 MeBigFatGuy.com
* Copyright 2009-2011 Dave Brosius
*
* 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 com.mebigfatguy.mongobrowser;
import javax.swing.JTree;
import javax.swing.tree.TreePath;
import com.mebigfatguy.mongobrowser.dialogs.MongoTreeNode;
/**
* a collection of utility methods used in a static context
*/
public class TreeUtils {
private TreeUtils() {
}
/**
* retrieves the collection node that owns the requested node
*
* @param fromNode
* the node to find the collection for
* @return the collection node that owns this node
*/
public static MongoTreeNode findCollectionNode(MongoTreeNode fromNode) {
while (fromNode.getType() != MongoTreeNode.Type.Collection) {
fromNode = (MongoTreeNode) fromNode.getParent();
}
return fromNode;
}
/**
* retrieves all the MongoTreeNodes from the current selection
*
* @param tree
* the tree to fetch the nodes from
* @return the selected MongoTreeNodes
*/
public static MongoTreeNode[] getSelectedNodes(JTree tree) {
TreePath[] paths = tree.getSelectionPaths();
if (paths != null) {
MongoTreeNode[] nodes = new MongoTreeNode[paths.length];
for (int i = 0; i < nodes.length; i++) {
nodes[i] = (MongoTreeNode) paths[i].getLastPathComponent();
}
return nodes;
} else {
return new MongoTreeNode[0];
}
}
}