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comparison dwtx/jface/viewers/BaseLabelProvider.d @ 10:b6c35faf97c8

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Viewers
author Frank Benoit <benoit@tionex.de>
date Mon, 31 Mar 2008 00:47:19 +0200
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children 644f1334b451
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9:6c14e54dfc11 10:b6c35faf97c8
1 /*******************************************************************************
2 * Copyright (c) 2006, 2007 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 * Port to the D programming language:
11 * Frank Benoit <benoit@tionex.de>
12 *******************************************************************************/
13
14 module dwtx.jface.viewers.BaseLabelProvider;
15
16 import dwtx.jface.viewers.IBaseLabelProvider;
17 import dwtx.jface.viewers.ILabelProviderListener;
18 import dwtx.jface.viewers.LabelProviderChangedEvent;
19
20 import dwtx.core.commands.common.EventManager;
21 import dwtx.jface.util.SafeRunnable;
22
23 import dwt.dwthelper.utils;
24
25 /**
26 * BaseLabelProvider is a default concrete implementation of
27 * {@link IBaseLabelProvider}
28 *
29 * @since 3.3
30 *
31 */
32 public class BaseLabelProvider : EventManager, IBaseLabelProvider {
33
34 /* (non-Javadoc)
35 * Method declared on IBaseLabelProvider.
36 */
37 public void addListener(ILabelProviderListener listener) {
38 addListenerObject(cast(Object)listener);
39 }
40
41 /**
42 * The <code>BaseLabelProvider</code> implementation of this
43 * <code>IBaseLabelProvider</code> method clears its internal listener list.
44 * Subclasses may extend but should call the super implementation.
45 */
46 public void dispose() {
47 clearListeners();
48 }
49
50 /**
51 * The <code>BaseLabelProvider</code> implementation of this
52 * <code>IBaseLabelProvider</code> method returns <code>true</code>. Subclasses may
53 * override.
54 */
55 public bool isLabelProperty(Object element, String property) {
56 return true;
57 }
58
59
60 /* (non-Javadoc)
61 * @see dwtx.jface.viewers.IBaseLabelProvider#removeListener(dwtx.jface.viewers.ILabelProviderListener)
62 */
63 public void removeListener(ILabelProviderListener listener) {
64 removeListenerObject(cast(Object)listener);
65 }
66
67 /**
68 * Fires a label provider changed event to all registered listeners Only
69 * listeners registered at the time this method is called are notified.
70 *
71 * @param event
72 * a label provider changed event
73 *
74 * @see ILabelProviderListener#labelProviderChanged
75 */
76 protected void fireLabelProviderChanged(LabelProviderChangedEvent event) {
77 Object[] listeners = getListeners();
78 for (int i = 0; i < listeners.length; ++i) {
79 SafeRunnable.run(new class SafeRunnable {
80 LabelProviderChangedEvent event_;
81 ILabelProviderListener l;
82 this(){
83 event_=event;
84 l = cast(ILabelProviderListener) listeners[i];
85 }
86 public void run() {
87 l.labelProviderChanged(event_);
88 }
89 });
90
91 }
92 }
93 }