Mercurial > projects > dwt-addons

annotate dwtx/core/commands/contexts/ContextEvent.d @ 3:6518c18a01f7

Find changesets by keywords (author, files, the commit message), revision number or hash, or revset expression.
eclipse.core package without osgi dependencies
author Frank Benoit <benoit@tionex.de>
date Wed, 26 Mar 2008 00:57:19 +0100
parents
children
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
rev   line source
3
6518c18a01f7 eclipse.core package without osgi dependencies
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
1 /*******************************************************************************
6518c18a01f7 eclipse.core package without osgi dependencies
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
2 * Copyright (c) 2004, 2006 IBM Corporation and others.
6518c18a01f7 eclipse.core package without osgi dependencies
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
3 * All rights reserved. This program and the accompanying materials
6518c18a01f7 eclipse.core package without osgi dependencies
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
4 * are made available under the terms of the Eclipse Public License v1.0
6518c18a01f7 eclipse.core package without osgi dependencies
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
5 * which accompanies this distribution, and is available at
6518c18a01f7 eclipse.core package without osgi dependencies
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
6 * http://www.eclipse.org/legal/epl-v10.html
6518c18a01f7 eclipse.core package without osgi dependencies
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
7 *
6518c18a01f7 eclipse.core package without osgi dependencies
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
8 * Contributors:
6518c18a01f7 eclipse.core package without osgi dependencies
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
9 * IBM Corporation - initial API and implementation
6518c18a01f7 eclipse.core package without osgi dependencies
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
10 * Port to the D programming language:
6518c18a01f7 eclipse.core package without osgi dependencies
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
11 * Frank Benoit <benoit@tionex.de>
6518c18a01f7 eclipse.core package without osgi dependencies
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
12 *******************************************************************************/
6518c18a01f7 eclipse.core package without osgi dependencies
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
13
6518c18a01f7 eclipse.core package without osgi dependencies
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
14 module dwtx.core.commands.contexts.ContextEvent;
6518c18a01f7 eclipse.core package without osgi dependencies
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
15
6518c18a01f7 eclipse.core package without osgi dependencies
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
16 import dwtx.core.commands.contexts.Context;
6518c18a01f7 eclipse.core package without osgi dependencies
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
17 import dwtx.core.commands.common.AbstractNamedHandleEvent;
6518c18a01f7 eclipse.core package without osgi dependencies
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
18 import dwt.dwthelper.utils;
6518c18a01f7 eclipse.core package without osgi dependencies
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
19
6518c18a01f7 eclipse.core package without osgi dependencies
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
20 /**
6518c18a01f7 eclipse.core package without osgi dependencies
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
21 * An instance of this class describes changes to an instance of
6518c18a01f7 eclipse.core package without osgi dependencies
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
22 * <code>IContext</code>.
6518c18a01f7 eclipse.core package without osgi dependencies
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
23 * <p>
6518c18a01f7 eclipse.core package without osgi dependencies
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
24 * This class is not intended to be extended by clients.
6518c18a01f7 eclipse.core package without osgi dependencies
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
25 * </p>
6518c18a01f7 eclipse.core package without osgi dependencies
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
26 *
6518c18a01f7 eclipse.core package without osgi dependencies
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
27 * @since 3.1
6518c18a01f7 eclipse.core package without osgi dependencies
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
28 * @see IContextListener#contextChanged(ContextEvent)
6518c18a01f7 eclipse.core package without osgi dependencies
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
29 */
6518c18a01f7 eclipse.core package without osgi dependencies
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
30 public final class ContextEvent : AbstractNamedHandleEvent {
6518c18a01f7 eclipse.core package without osgi dependencies
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
31
6518c18a01f7 eclipse.core package without osgi dependencies
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
32 /**
6518c18a01f7 eclipse.core package without osgi dependencies
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
33 * The bit used to represent whether the context has changed its parent.
6518c18a01f7 eclipse.core package without osgi dependencies
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
34 */
6518c18a01f7 eclipse.core package without osgi dependencies
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
35 private static const int CHANGED_PARENT_ID = LAST_USED_BIT << 1;
6518c18a01f7 eclipse.core package without osgi dependencies
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
36
6518c18a01f7 eclipse.core package without osgi dependencies
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
37 /**
6518c18a01f7 eclipse.core package without osgi dependencies
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
38 * The context that has changed. This value is never <code>null</code>.
6518c18a01f7 eclipse.core package without osgi dependencies
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
39 */
6518c18a01f7 eclipse.core package without osgi dependencies
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
40 private Context context;
6518c18a01f7 eclipse.core package without osgi dependencies
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
41
6518c18a01f7 eclipse.core package without osgi dependencies
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
42 /**
6518c18a01f7 eclipse.core package without osgi dependencies
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
43 * Creates a new instance of this class.
6518c18a01f7 eclipse.core package without osgi dependencies
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
44 *
6518c18a01f7 eclipse.core package without osgi dependencies
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
45 * @param context
6518c18a01f7 eclipse.core package without osgi dependencies
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
46 * the instance of the interface that changed; must not be
6518c18a01f7 eclipse.core package without osgi dependencies
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
47 * <code>null</code>.
6518c18a01f7 eclipse.core package without osgi dependencies
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
48 * @param definedChanged
6518c18a01f7 eclipse.core package without osgi dependencies
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
49 * <code>true</code>, iff the defined property changed.
6518c18a01f7 eclipse.core package without osgi dependencies
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
50 * @param nameChanged
6518c18a01f7 eclipse.core package without osgi dependencies
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
51 * <code>true</code>, iff the name property changed.
6518c18a01f7 eclipse.core package without osgi dependencies
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
52 * @param descriptionChanged
6518c18a01f7 eclipse.core package without osgi dependencies
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
53 * <code>true</code>, iff the description property changed.
6518c18a01f7 eclipse.core package without osgi dependencies
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
54 * @param parentIdChanged
6518c18a01f7 eclipse.core package without osgi dependencies
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
55 * <code>true</code>, iff the parentId property changed.
6518c18a01f7 eclipse.core package without osgi dependencies
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
56 */
6518c18a01f7 eclipse.core package without osgi dependencies
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
57 public this(Context context, bool definedChanged,
6518c18a01f7 eclipse.core package without osgi dependencies
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
58 bool nameChanged, bool descriptionChanged,
6518c18a01f7 eclipse.core package without osgi dependencies
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
59 bool parentIdChanged) {
6518c18a01f7 eclipse.core package without osgi dependencies
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
60 super(definedChanged, descriptionChanged, nameChanged);
6518c18a01f7 eclipse.core package without osgi dependencies
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
61
6518c18a01f7 eclipse.core package without osgi dependencies
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
62 if (context is null) {
6518c18a01f7 eclipse.core package without osgi dependencies
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
63 throw new NullPointerException();
6518c18a01f7 eclipse.core package without osgi dependencies
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
64 }
6518c18a01f7 eclipse.core package without osgi dependencies
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
65 this.context = context;
6518c18a01f7 eclipse.core package without osgi dependencies
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
66
6518c18a01f7 eclipse.core package without osgi dependencies
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
67 if (parentIdChanged) {
6518c18a01f7 eclipse.core package without osgi dependencies
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
68 changedValues |= CHANGED_PARENT_ID;
6518c18a01f7 eclipse.core package without osgi dependencies
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
69 }
6518c18a01f7 eclipse.core package without osgi dependencies
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
70 }
6518c18a01f7 eclipse.core package without osgi dependencies
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
71
6518c18a01f7 eclipse.core package without osgi dependencies
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
72 /**
6518c18a01f7 eclipse.core package without osgi dependencies
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
73 * Returns the instance of the interface that changed.
6518c18a01f7 eclipse.core package without osgi dependencies
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
74 *
6518c18a01f7 eclipse.core package without osgi dependencies
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
75 * @return the instance of the interface that changed. Guaranteed not to be
6518c18a01f7 eclipse.core package without osgi dependencies
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
76 * <code>null</code>.
6518c18a01f7 eclipse.core package without osgi dependencies
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
77 */
6518c18a01f7 eclipse.core package without osgi dependencies
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
78 public final Context getContext() {
6518c18a01f7 eclipse.core package without osgi dependencies
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
79 return context;
6518c18a01f7 eclipse.core package without osgi dependencies
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
80 }
6518c18a01f7 eclipse.core package without osgi dependencies
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
81
6518c18a01f7 eclipse.core package without osgi dependencies
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
82 /**
6518c18a01f7 eclipse.core package without osgi dependencies
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
83 * Returns whether or not the parentId property changed.
6518c18a01f7 eclipse.core package without osgi dependencies
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
84 *
6518c18a01f7 eclipse.core package without osgi dependencies
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
85 * @return <code>true</code>, iff the parentId property changed.
6518c18a01f7 eclipse.core package without osgi dependencies
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
86 */
6518c18a01f7 eclipse.core package without osgi dependencies
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
87 public final bool isParentIdChanged() {
6518c18a01f7 eclipse.core package without osgi dependencies
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
88 return ((changedValues & CHANGED_PARENT_ID) !is 0);
6518c18a01f7 eclipse.core package without osgi dependencies
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
89 }
6518c18a01f7 eclipse.core package without osgi dependencies
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
90 }