/*
* Created on Apr 9, 2003
*
* Clones a JMeterTreeNode
*/
package org.apache.jmeter.gui.action;
import java.awt.event.ActionEvent;
import java.util.Enumeration;
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.testelement.TestElement;
/**
* @author Thad Smith
* @version $Revision: 1.4 $
*/
public class Copy extends AbstractAction
{
private static JMeterTreeNode copiedNode = null;
private static String COPY = "Copy";
private static HashSet commands = new HashSet();
static {
commands.add(COPY);
}
/*
* @see org.apache.jmeter.gui.action.Command#getActionNames()
*/
public Set getActionNames()
{
return commands;
}
public void doAction(ActionEvent e)
{
String action = e.getActionCommand();
JMeterTreeNode draggedNode =
GuiPackage.getInstance().getTreeListener().getDraggedNode();
JMeterTreeListener treeListener =
GuiPackage.getInstance().getTreeListener();
setCopiedNode((JMeterTreeNode) treeListener.getCurrentNode());
}
public static JMeterTreeNode getCopiedNode()
{
if (copiedNode == null)
{
return null;
}
return cloneTreeNode(copiedNode);
}
public static void setCopiedNode(JMeterTreeNode node)
{
copiedNode = cloneTreeNode(node);
}
public static JMeterTreeNode cloneTreeNode(JMeterTreeNode node)
{
JMeterTreeNode treeNode = (JMeterTreeNode) node.clone();
treeNode.setUserObject(((TestElement) node.getUserObject()).clone());
cloneChildren(treeNode, node);
return treeNode;
}
private static void cloneChildren(JMeterTreeNode to, JMeterTreeNode from)
{
Enumeration enum = from.children();
while (enum.hasMoreElements())
{
JMeterTreeNode child = (JMeterTreeNode) enum.nextElement();
JMeterTreeNode childClone = (JMeterTreeNode) child.clone();
childClone.setUserObject(
((TestElement) child.getUserObject()).clone());
to.add(childClone);
cloneChildren((JMeterTreeNode) to.getLastChild(), child);
}
}
}