/**
* Redistribution and use of this software and associated documentation
* ("Software"), with or without modification, are permitted provided
* that the following conditions are met:
*
* 1. Redistributions of source code must retain copyright
* statements and notices. Redistributions must also contain a
* copy of this document.
*
* 2. Redistributions in binary form must reproduce the
* above copyright notice, this list of conditions and the
* following disclaimer in the documentation and/or other
* materials provided with the distribution.
*
* 3. The name "Exolab" must not be used to endorse or promote
* products derived from this Software without prior written
* permission of Exoffice Technologies. For written permission,
* please contact info@exolab.org.
*
* 4. Products derived from this Software may not be called "Exolab"
* nor may "Exolab" appear in their names without prior written
* permission of Exoffice Technologies. Exolab is a registered
* trademark of Exoffice Technologies.
*
* 5. Due credit should be given to the Exolab Project
* (http://www.exolab.org/).
*
* THIS SOFTWARE IS PROVIDED BY EXOFFICE TECHNOLOGIES AND CONTRIBUTORS
* ``AS IS'' AND ANY EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT
* NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND
* FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL
* EXOFFICE TECHNOLOGIES OR ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT,
* INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
* SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
* STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
* OF THE POSSIBILITY OF SUCH DAMAGE.
*
* Copyright 2001,2003 (C) Exoffice Technologies Inc. All Rights Reserved.
*
* $Id: OpenJMSObject.java,v 1.1 2004/11/26 01:51:15 tanderson Exp $ *
*/
package org.exolab.jms.tools.admin;
import java.awt.Rectangle;
import java.text.SimpleDateFormat;
import javax.swing.JPopupMenu;
import javax.swing.JTree;
import javax.swing.tree.DefaultMutableTreeNode;
import javax.swing.tree.DefaultTreeModel;
/**
* This is the base class for all nodes.
*
* @version $Revision: 1.1 $ $Date: 2004/11/26 01:51:15 $
* @author <a href="mailto:mourikis@exolab.org">Jim Mourikis</a>
* @see OpenJMSConsumer
* @see AdminMgr
*/
public abstract class OpenJMSObject extends DefaultMutableTreeNode
implements OpenJMSNode {
// The name
protected String _name;
// Does this queue topic have any registered consumers
protected boolean _isLeaf;
// Whether this node has been opened and explored already.
protected boolean _isExplored = false;
// The popup menu for destination
protected JPopupMenu _commands = null;
// A flag indicating if the menu has been created yet.
protected boolean _commandsCreated = false;
// A date time formatter.
static protected SimpleDateFormat _dateFormat;
// A reference to the tree this node belongs to.
static protected JTree _tree = null;
/**
* The constructor gets its unique name for this object and a
* reference to its parent tree.
*
* <P>If this is the first call, the menu for all objects
* is created.
*
* @param name This object name.
* @param tree The parent tree this object belongs to.
*
*/
public OpenJMSObject(String destinationName, JTree tree) {
_name = destinationName;
_isLeaf = false;
if (!_commandsCreated) {
_tree = tree;
createCommands();
_commandsCreated = true;
_dateFormat = new SimpleDateFormat("dd/MM/yyyy HH:mm:ss");
_dateFormat.setLenient(false);
}
}
/**
* Create the menu for all objects and set up the Action events for
* each menu item. Since menus are shared, the callbacks called are
* static. Once a menu is slected, the slected node can be determined
* from the parent object.
*
*/
abstract protected void createCommands();
/**
* Children are allowed for all objects
*
* @return boolean Always returns true.
*/
public boolean getAllowsChildren() {
return true;
}
/**
* Objects are leaves iff they have nothing registered against
* them.
*
* @return boolean true if no objects are registered.
*/
public boolean isLeaf() {
return _isLeaf;
}
/**
* This node has been right clicked. The locations of this node is given
* by the loc object. Use this location to popup the object message
* menu.
*
* @param The location of this Consumer node.
*/
public void displayCommands(Rectangle loc) {
double x;
double y;
x = loc.getX();
y = loc.getY();
y += loc.getHeight();
_commands.show(_tree, (int) x, (int) y);
}
/**
* The unique name of this object.
*
* @return String the object name.
*/
public String toString() {
return _name;
}
/**
* This node has changed. Inform the parent tree that it needs to be
* re-drawn.
*/
protected void refresh() {
DefaultTreeModel model = (DefaultTreeModel) _tree.getModel();
model.nodeStructureChanged((DefaultMutableTreeNode) this);
}
/**
* Get the particular instance of the object that has been selected.
*
* @return the instance selected.
*/
static protected OpenJMSObject getInstanceSelected() {
Object loc = _tree.getLastSelectedPathComponent();
return (OpenJMSObject) loc;
}
}