View Javadoc

1   /***
2    * Redistribution and use of this software and associated documentation
3    * ("Software"), with or without modification, are permitted provided
4    * that the following conditions are met:
5    *
6    * 1. Redistributions of source code must retain copyright
7    *    statements and notices.  Redistributions must also contain a
8    *    copy of this document.
9    *
10   * 2. Redistributions in binary form must reproduce the
11   *    above copyright notice, this list of conditions and the
12   *    following disclaimer in the documentation and/or other
13   *    materials provided with the distribution.
14   *
15   * 3. The name "Exolab" must not be used to endorse or promote
16   *    products derived from this Software without prior written
17   *    permission of Exoffice Technologies.  For written permission,
18   *    please contact info@exolab.org.
19   *
20   * 4. Products derived from this Software may not be called "Exolab"
21   *    nor may "Exolab" appear in their names without prior written
22   *    permission of Exoffice Technologies. Exolab is a registered
23   *    trademark of Exoffice Technologies.
24   *
25   * 5. Due credit should be given to the Exolab Project
26   *    (http://www.exolab.org/).
27   *
28   * THIS SOFTWARE IS PROVIDED BY EXOFFICE TECHNOLOGIES AND CONTRIBUTORS
29   * ``AS IS'' AND ANY EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT
30   * NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND
31   * FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL
32   * EXOFFICE TECHNOLOGIES OR ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT,
33   * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
34   * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
35   * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
36   * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
37   * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
38   * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
39   * OF THE POSSIBILITY OF SUCH DAMAGE.
40   *
41   * Copyright 2000 (C) Exoffice Technologies Inc. All Rights Reserved.
42   *
43   * $Id: OpenJMSQueueFolder.java,v 1.1 2004/11/26 01:51:15 tanderson Exp $
44   *
45   * Date         Author  Changes
46   * $Date	    jimm    Created
47   */
48  
49  
50  package org.exolab.jms.tools.admin;
51  
52  import java.awt.Rectangle;
53  import java.awt.event.ActionEvent;
54  import java.awt.event.ActionListener;
55  
56  import javax.swing.JMenuItem;
57  import javax.swing.JPopupMenu;
58  import javax.swing.JTree;
59  import javax.swing.tree.DefaultMutableTreeNode;
60  import javax.swing.tree.DefaultTreeModel;
61  
62  
63  /***
64   * This is a folder node, which holds all administered topics
65   *
66   * @version     $Revision: 1.1 $ $Date: 2004/11/26 01:51:15 $
67   * @author      <a href="mailto:jima@exolab.org">Jim Alateras</a>
68   **/
69  public class OpenJMSQueueFolder
70      extends DefaultMutableTreeNode
71      implements OpenJMSNode {
72  
73      // A reference to the tree this node belongs to.
74      static private JTree tree_ = null;
75  
76      // A flag indicating if the menu has been created yet.
77      static private boolean commandsCreated_ = false;
78  
79      // The popup menu for all consumers.
80      static private JPopupMenu commands_ = null;
81  
82      /***
83       * Construct an instance of this folder given the parent node.
84       *
85       * @param tree - The parent tree this consumer belons to.
86       */
87      public OpenJMSQueueFolder(JTree tree) {
88          if (!commandsCreated_) {
89              tree_ = tree;
90              createCommands();
91              commandsCreated_ = true;
92          }
93      }
94  
95      /***
96       * Create the menu for all consumers and set up the Action events for
97       * each menu item. Since menus are shared, the callbacks called are
98       * static. Once a menu is slected, the slected node can be determined
99       * from the parent object.
100      *
101      */
102     protected void createCommands() {
103         commands_ = new JPopupMenu();
104 
105         JMenuItem m = new JMenuItem("Create Queue");
106         m.addActionListener(new ActionListener() {
107 
108             public void actionPerformed(ActionEvent evt) {
109                 createQueue();
110             }
111         }
112         );
113         commands_.add(m);
114     }
115 
116     /***
117      * Queue folders are allowed on this node
118      *
119      * @return boolean Always returns true.
120      */
121     public boolean getAllowsChildren() {
122         return true;
123     }
124 
125 
126     /***
127      * The consumer folder is not a leaf node
128      *
129      * @return boolean Always returns false.
130      *
131      */
132     public boolean isLeaf() {
133         return false;
134     }
135 
136     /***
137      * This node has been right clicked. The locations of this node is given
138      * by the loc object. Use this location to popup the consumer message
139      * menu.
140      *
141      * @param The location of this Queue node.
142      *
143      */
144     public void displayCommands(Rectangle loc) {
145         double x;
146         double y;
147 
148         x = loc.getX();
149         y = loc.getY();
150         y += loc.getHeight();
151 
152         commands_.show(tree_, (int) x, (int) y);
153     }
154 
155     /***
156      * This node has changed. Inform the parent tree that it needs to be
157      * re-drawn.
158      *
159      */
160     private void refresh() {
161         DefaultTreeModel model = (DefaultTreeModel) tree_.getModel();
162         model.nodeStructureChanged((DefaultMutableTreeNode) this);
163     }
164 
165     /***
166      * Update all children belonging to this node.
167      *
168      */
169     public void update() {
170     }
171 
172     /***
173      * The unique name of this queue/topic.
174      *
175      * @return String the queue/topic name.
176      *
177      */
178     public String toString() {
179         return "Queues";
180     }
181 
182     /***
183      * Get the particular instance of the consumer that has been selected.
184      *
185      * @return OpenJMSQueueFolder the instance selected.
186      *
187      */
188     static private OpenJMSQueueFolder getInstanceSelected() {
189         Object loc = tree_.getLastSelectedPathComponent();
190         return (OpenJMSQueueFolder) loc;
191     }
192 
193     /***
194      * Delete the selected consumer object. Display a confirmation dialog
195      * and wait for its return. If the user has confirmed the action, first
196      * delete it from the database and if that is successful remove the node
197      * from the tree.
198      *
199      */
200     static private void createQueue() {
201     }
202 } // End OpenJMSQueueFolder