PartListenerList2


1   /*******************************************************************************
2    * Copyright (c) 2000, 2006 IBM Corporation and others.
3    * All rights reserved. This program and the accompanying materials
4    * are made available under the terms of the Eclipse Public License v1.0
5    * which accompanies this distribution, and is available at
6    * http://www.eclipse.org/legal/epl-v10.html
7    *
8    * Contributors:
9    *     IBM Corporation - initial API and implementation
10   *******************************************************************************/
11  package org.eclipse.ui.internal;
12  
13  import org.eclipse.core.commands.common.EventManager;
14  import org.eclipse.core.runtime.Platform;
15  import org.eclipse.jface.util.SafeRunnable;
16  import org.eclipse.ui.IPartListener2;
17  import org.eclipse.ui.IWorkbenchPartReference;
18  import org.eclipse.ui.internal.misc.UIStats;
19  
20  /**
21   * Part listener list.
22   */
23  public class PartListenerList2 extends EventManager {
24  
25      /**
26       * PartListenerList2 constructor comment.
27       */
28      public PartListenerList2() {
29          super();
30      }
31  
32      /**
33       * Adds an PartListener to the part service.
34       */
35      public void addPartListener(IPartListener2 l) {
36          addListenerObject(l);
37      }
38  
39      /**
40       * Calls a part listener with associated performance event instrumentation
41       * 
42       * @param runnable
43       * @param listener
44       * @param ref
45       * @param string
46       */
47      private void fireEvent(SafeRunnable runnable, IPartListener2 listener, IWorkbenchPartReference ref, String   string) {
48          String   label = null;//for debugging
49          if (UIStats.isDebugging(UIStats.NOTIFY_PART_LISTENERS)) {
50              label = string + ref.getTitle();
51              UIStats.start(UIStats.NOTIFY_PART_LISTENERS, label);
52          }
53          Platform.run(runnable);
54          if (UIStats.isDebugging(UIStats.NOTIFY_PART_LISTENERS)) {
55              UIStats.end(UIStats.NOTIFY_PART_LISTENERS, listener, label);
56          }
57      }
58  
59      /**
60       * Notifies the listener that a part has been activated.
61       */
62      public void firePartActivated(final IWorkbenchPartReference ref) {
63          Object  [] array = getListeners();
64          for (int i = 0; i < array.length; i++) {
65              final IPartListener2 l = (IPartListener2) array[i];
66              fireEvent(new SafeRunnable() {
67                  public void run() {
68                      l.partActivated(ref);
69                  }
70              }, l, ref, "activated::"); //$NON-NLS-1$
71          }
72      }
73  
74      /**
75       * Notifies the listener that a part has been brought to top.
76       */
77      public void firePartBroughtToTop(final IWorkbenchPartReference ref) {
78          Object  [] array = getListeners();
79          for (int i = 0; i < array.length; i++) {
80              final IPartListener2 l = (IPartListener2) array[i];
81              fireEvent(new SafeRunnable() {
82                  public void run() {
83                      l.partBroughtToTop(ref);
84                  }
85              }, l, ref, "broughtToTop::"); //$NON-NLS-1$
86          }
87      }
88  
89      /**
90       * Notifies the listener that a part has been closed
91       */
92      public void firePartClosed(final IWorkbenchPartReference ref) {
93          Object  [] array = getListeners();
94          for (int i = 0; i < array.length; i++) {
95              final IPartListener2 l = (IPartListener2) array[i];
96              fireEvent(new SafeRunnable() {
97                  public void run() {
98                      l.partClosed(ref);
99                  }
100             }, l, ref, "closed::"); //$NON-NLS-1$
101         }
102     }
103 
104     /**
105      * Notifies the listener that a part has been deactivated.
106      */
107     public void firePartDeactivated(final IWorkbenchPartReference ref) {
108         Object  [] array = getListeners();
109         for (int i = 0; i < array.length; i++) {
110             final IPartListener2 l = (IPartListener2) array[i];
111             fireEvent(new SafeRunnable() {
112                 public void run() {
113                     l.partDeactivated(ref);
114                 }
115             }, l, ref, "deactivated::"); //$NON-NLS-1$
116         }
117     }
118 
119     /**
120      * Notifies the listener that a part has been opened.
121      */
122     public void firePartOpened(final IWorkbenchPartReference ref) {
123         Object  [] array = getListeners();
124         for (int i = 0; i < array.length; i++) {
125             final IPartListener2 l = (IPartListener2) array[i];
126             fireEvent(new SafeRunnable() {
127                 public void run() {
128                     l.partOpened(ref);
129                 }
130             }, l, ref, "opened::"); //$NON-NLS-1$
131         }
132     }
133 
134     /**
135      * Notifies the listener that a part has been opened.
136      */
137     public void firePartHidden(final IWorkbenchPartReference ref) {
138         Object  [] array = getListeners();
139         for (int i = 0; i < array.length; i++) {
140             final IPartListener2 l;
141             if (array[i] instanceof IPartListener2) {
142                 l = (IPartListener2) array[i];
143             } else {
144                 continue;
145             }
146 
147             fireEvent(new SafeRunnable() {
148                 public void run() {
149                     l.partHidden(ref);
150                 }
151             }, l, ref, "hidden::"); //$NON-NLS-1$
152         }
153     }
154 
155     /**
156      * Notifies the listener that a part has been opened.
157      */
158     public void firePartVisible(final IWorkbenchPartReference ref) {
159         Object  [] array = getListeners();
160         for (int i = 0; i < array.length; i++) {
161             final IPartListener2 l;
162             if (array[i] instanceof IPartListener2) {
163                 l = (IPartListener2) array[i];
164             } else {
165                 continue;
166             }
167 
168             fireEvent(new SafeRunnable() {
169                 public void run() {
170                     l.partVisible(ref);
171                 }
172             }, l, ref, "visible::"); //$NON-NLS-1$
173         }
174     }
175 
176     /**
177      * Notifies the listener that a part has been opened.
178      */
179     public void firePartInputChanged(final IWorkbenchPartReference ref) {
180         Object  [] array = getListeners();
181         for (int i = 0; i < array.length; i++) {
182             final IPartListener2 l;
183             if (array[i] instanceof IPartListener2) {
184                 l = (IPartListener2) array[i];
185             } else {
186                 continue;
187             }
188 
189             fireEvent(new SafeRunnable() {
190                 public void run() {
191                     l.partInputChanged(ref);
192                 }
193             }, l, ref, "inputChanged::"); //$NON-NLS-1$
194         }
195     }
196     
197     /**
198      * Removes an IPartListener from the part service.
199      */
200     public void removePartListener(IPartListener2 l) {
201         removeListenerObject(l);
202     }
203 }
204
A to Z: JavaDoc & Examples Daily Java News & Articles Open Source Projects Open Source Codes Free Computer Books Remove Frame
Popular Tags