/*
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed with
* this work for additional information regarding copyright ownership.
* The ASF licenses this file to You 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.apache.jmeter.gui.action;
import java.awt.Toolkit;
import java.awt.event.ActionEvent;
import java.util.HashSet;
import java.util.Set;
import org.apache.jmeter.gui.GuiPackage;
import org.apache.jmeter.gui.tree.JMeterTreeListener;
import org.apache.jmeter.gui.tree.JMeterTreeNode;
import org.apache.jmeter.gui.util.MenuFactory;
import org.apache.jmeter.testelement.TestElement;
import org.apache.jmeter.testelement.TestPlan;
import org.apache.jmeter.testelement.WorkBench;
public class DragNDrop extends AbstractAction {
private static final Set commands = new HashSet();
static {
commands.add(ActionNames.DRAG_ADD);
commands.add(ActionNames.INSERT_BEFORE);
commands.add(ActionNames.INSERT_AFTER);
}
/**
* @see Command#doAction(ActionEvent)
*/
public void doAction(ActionEvent e) {
String action = e.getActionCommand();
GuiPackage guiPackage = GuiPackage.getInstance();
JMeterTreeNode[] draggedNodes = guiPackage.getTreeListener().getDraggedNodes();
JMeterTreeListener treeListener = guiPackage.getTreeListener();
JMeterTreeNode currentNode = treeListener.getCurrentNode();
JMeterTreeNode parentNode = (JMeterTreeNode) currentNode.getParent();
TestElement te = currentNode.getTestElement();
if (te instanceof TestPlan || te instanceof WorkBench) {
parentNode = null; // So elements can only be added as children
}
if (ActionNames.DRAG_ADD.equals(action) && canAddTo(currentNode,draggedNodes)) {
removeNodesFromParents(draggedNodes);
for (int i = 0; i < draggedNodes.length; i++) {
GuiPackage.getInstance().getTreeModel().insertNodeInto(draggedNodes[i], currentNode,
currentNode.getChildCount());
}
} else if (parentNode != null) {
if (ActionNames.INSERT_BEFORE.equals(action) && canAddTo(parentNode,draggedNodes)) {
removeNodesFromParents(draggedNodes);
for (int i = 0; i < draggedNodes.length; i++) {
int index = parentNode.getIndex(currentNode);
GuiPackage.getInstance().getTreeModel().insertNodeInto(draggedNodes[i], parentNode, index);
}
} else if (ActionNames.INSERT_AFTER.equals(action) && canAddTo(parentNode,draggedNodes)) {
removeNodesFromParents(draggedNodes);
for (int i = 0; i < draggedNodes.length; i++) {
int index = parentNode.getIndex(currentNode) + 1;
GuiPackage.getInstance().getTreeModel().insertNodeInto(draggedNodes[i], parentNode, index);
}
}
}
GuiPackage.getInstance().getMainFrame().repaint();
}
private static boolean canAddTo(JMeterTreeNode parentNode, JMeterTreeNode[] draggedNodes) {
boolean ok = MenuFactory.canAddTo(parentNode, draggedNodes);
if (!ok){
Toolkit.getDefaultToolkit().beep();
}
return ok;
}
protected void removeNodesFromParents(JMeterTreeNode[] nodes) {
for (int i = 0; i < nodes.length; i++) {
GuiPackage.getInstance().getTreeModel().removeNodeFromParent(nodes[i]);
}
}
/**
* @see Command#getActionNames()
*/
public Set getActionNames() {
return commands;
}
}