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 2001,2003 (C) Exoffice Technologies Inc. All Rights Reserved.
42 *
43 * $Id: OpenJMSObject.java,v 1.1 2004/11/26 01:51:15 tanderson Exp $ *
44 */
45 package org.exolab.jms.tools.admin;
46
47 import java.awt.Rectangle;
48 import java.text.SimpleDateFormat;
49
50 import javax.swing.JPopupMenu;
51 import javax.swing.JTree;
52 import javax.swing.tree.DefaultMutableTreeNode;
53 import javax.swing.tree.DefaultTreeModel;
54
55
56 /***
57 * This is the base class for all nodes.
58 *
59 * @version $Revision: 1.1 $ $Date: 2004/11/26 01:51:15 $
60 * @author <a href="mailto:mourikis@exolab.org">Jim Mourikis</a>
61 * @see OpenJMSConsumer
62 * @see AdminMgr
63 */
64 public abstract class OpenJMSObject extends DefaultMutableTreeNode
65 implements OpenJMSNode {
66
67
68 protected String _name;
69
70
71 protected boolean _isLeaf;
72
73
74 protected boolean _isExplored = false;
75
76
77 protected JPopupMenu _commands = null;
78
79
80 protected boolean _commandsCreated = false;
81
82
83 static protected SimpleDateFormat _dateFormat;
84
85
86 static protected JTree _tree = null;
87
88
89 /***
90 * The constructor gets its unique name for this object and a
91 * reference to its parent tree.
92 *
93 * <P>If this is the first call, the menu for all objects
94 * is created.
95 *
96 * @param name This object name.
97 * @param tree The parent tree this object belongs to.
98 *
99 */
100 public OpenJMSObject(String destinationName, JTree tree) {
101 _name = destinationName;
102 _isLeaf = false;
103 if (!_commandsCreated) {
104 _tree = tree;
105 createCommands();
106 _commandsCreated = true;
107 _dateFormat = new SimpleDateFormat("dd/MM/yyyy HH:mm:ss");
108 _dateFormat.setLenient(false);
109 }
110 }
111
112
113 /***
114 * Create the menu for all objects and set up the Action events for
115 * each menu item. Since menus are shared, the callbacks called are
116 * static. Once a menu is slected, the slected node can be determined
117 * from the parent object.
118 *
119 */
120 abstract protected void createCommands();
121
122 /***
123 * Children are allowed for all objects
124 *
125 * @return boolean Always returns true.
126 */
127 public boolean getAllowsChildren() {
128 return true;
129 }
130
131 /***
132 * Objects are leaves iff they have nothing registered against
133 * them.
134 *
135 * @return boolean true if no objects are registered.
136 */
137 public boolean isLeaf() {
138 return _isLeaf;
139 }
140
141 /***
142 * This node has been right clicked. The locations of this node is given
143 * by the loc object. Use this location to popup the object message
144 * menu.
145 *
146 * @param The location of this Consumer node.
147 */
148 public void displayCommands(Rectangle loc) {
149 double x;
150 double y;
151
152 x = loc.getX();
153 y = loc.getY();
154 y += loc.getHeight();
155
156 _commands.show(_tree, (int) x, (int) y);
157 }
158
159 /***
160 * The unique name of this object.
161 *
162 * @return String the object name.
163 */
164 public String toString() {
165 return _name;
166 }
167
168 /***
169 * This node has changed. Inform the parent tree that it needs to be
170 * re-drawn.
171 */
172 protected void refresh() {
173 DefaultTreeModel model = (DefaultTreeModel) _tree.getModel();
174 model.nodeStructureChanged((DefaultMutableTreeNode) this);
175 }
176
177 /***
178 * Get the particular instance of the object that has been selected.
179 *
180 * @return the instance selected.
181 */
182 static protected OpenJMSObject getInstanceSelected() {
183 Object loc = _tree.getLastSelectedPathComponent();
184 return (OpenJMSObject) loc;
185 }
186 }