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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 2001,2003 (C) Exoffice Technologies Inc. All Rights Reserved. 42 * 43 * $Id: OpenJMSObject.java,v 1.3 2003/08/17 01:32:27 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: 1.3 $ $Date: 2003/08/17 01:32:27 $ 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 // The name 68 protected String _name; 69 70 // Does this queue topic have any registered consumers 71 protected boolean _isLeaf; 72 73 // Whether this node has been opened and explored already. 74 protected boolean _isExplored = false; 75 76 // The popup menu for destination 77 protected JPopupMenu _commands = null; 78 79 // A flag indicating if the menu has been created yet. 80 protected boolean _commandsCreated = false; 81 82 // A date time formatter. 83 static protected SimpleDateFormat _dateFormat; 84 85 // A reference to the tree this node belongs to. 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 }

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