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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: OpenJMSConsumerFolder.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 durable consumers for a particular
65   * server.
66   *
67   * @version     $Revision: 1.1 $ $Date: 2004/11/26 01:51:15 $
68   * @author      <a href="mailto:jima@exolab.org">Jim Alateras</a>
69   */
70  public class OpenJMSConsumerFolder
71      extends DefaultMutableTreeNode
72      implements OpenJMSNode {
73  
74      // A reference to the tree this node belongs to.
75      static private JTree tree_ = null;
76  
77      // A flag indicating if the menu has been created yet.
78      static private boolean commandsCreated_ = false;
79  
80      // The popup menu for all consumers.
81      static private JPopupMenu commands_ = null;
82  
83      /***
84       * Construct an instance of this folder given the parent node.
85       *
86       * @param tree - The parent tree this consumer belons to.
87       */
88      public OpenJMSConsumerFolder(JTree tree) {
89          if (!commandsCreated_) {
90              tree_ = tree;
91              createCommands();
92              commandsCreated_ = true;
93          }
94      }
95  
96      /***
97       * Create the menu for all consumers and set up the Action events for
98       * each menu item. Since menus are shared, the callbacks called are
99       * static. Once a menu is slected, the slected node can be determined
100      * from the parent object.
101      *
102      */
103     protected void createCommands() {
104         commands_ = new JPopupMenu();
105 
106         JMenuItem m = new JMenuItem("Create Consumer");
107         m.addActionListener(new ActionListener() {
108 
109             public void actionPerformed(ActionEvent evt) {
110                 createConsumer();
111             }
112         }
113         );
114         commands_.add(m);
115     }
116 
117     /***
118      * Consumer folders are allowed on this node
119      *
120      * @return boolean Always returns true.
121      */
122     public boolean getAllowsChildren() {
123         return true;
124     }
125 
126 
127     /***
128      * The consumer folder is not a leaf node
129      *
130      * @return boolean Always returns false.
131      *
132      */
133     public boolean isLeaf() {
134         return false;
135     }
136 
137     /***
138      * This node has been right clicked. The locations of this node is given
139      * by the loc object. Use this location to popup the consumer message
140      * menu.
141      *
142      * @param The location of this Consumer node.
143      *
144      */
145     public void displayCommands(Rectangle loc) {
146         double x;
147         double y;
148 
149         x = loc.getX();
150         y = loc.getY();
151         y += loc.getHeight();
152 
153         commands_.show(tree_, (int) x, (int) y);
154     }
155 
156     /***
157      * This node has changed. Inform the parent tree that it needs to be
158      * re-drawn.
159      *
160      */
161     private void refresh() {
162         DefaultTreeModel model = (DefaultTreeModel) tree_.getModel();
163         model.nodeStructureChanged((DefaultMutableTreeNode) this);
164     }
165 
166     /***
167      * Update all children belonging to this node.
168      *
169      */
170     public void update() {
171     }
172 
173     /***
174      * The unique name of this queue/topic.
175      *
176      * @return String the queue/topic name.
177      *
178      */
179     public String toString() {
180         return "Consumers";
181     }
182 
183     /***
184      * Get the particular instance of the consumer that has been selected.
185      *
186      * @return OpenJMSConsumerFolder the instance selected.
187      *
188      */
189     static private OpenJMSConsumerFolder getInstanceSelected() {
190         Object loc = tree_.getLastSelectedPathComponent();
191         return (OpenJMSConsumerFolder) loc;
192     }
193 
194     /***
195      * Delete the selected consumer object. Display a confirmation dialog
196      * and wait for its return. If the user has confirmed the action, first
197      * delete it from the database and if that is successful remove the node
198      * from the tree.
199      *
200      */
201     static private void createConsumer() {
202     }
203 } // End OpenJMSConsumerFolder