Mercurial > projects > dwt-addons

annotate dwtx/core/commands/common/HandleObjectManager.d @ 104:04b47443bb01

Find changesets by keywords (author, files, the commit message), revision number or hash, or revset expression.
Reworked the collection uses to make use of a wrapper collection that is compatible to the Java Collections. These new wrappers now use the tango.util.containers instead of the tango.util.collections.
author Frank Benoit <benoit@tionex.de>
date Thu, 07 Aug 2008 15:01:33 +0200
parents 6518c18a01f7
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) 2005, 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.common.HandleObjectManager;
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.common.HandleObject;
6518c18a01f7 eclipse.core package without osgi dependencies
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
17 import dwtx.core.commands.common.EventManager;
6518c18a01f7 eclipse.core package without osgi dependencies
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
18 import dwt.dwthelper.utils;
104
04b47443bb01 Reworked the collection uses to make use of a wrapper collection that is compatible to the Java Collections.
Frank Benoit <benoit@tionex.de>
parents: 3
diff changeset
19 import dwtx.dwtxhelper.Collection;
3
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
6518c18a01f7 eclipse.core package without osgi dependencies
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
22 // import java.util.HashMap;
6518c18a01f7 eclipse.core package without osgi dependencies
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
23 // import java.util.HashSet;
6518c18a01f7 eclipse.core package without osgi dependencies
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
24 // import java.util.Iterator;
6518c18a01f7 eclipse.core package without osgi dependencies
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
25 // import java.util.Map;
6518c18a01f7 eclipse.core package without osgi dependencies
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
26 // import java.util.Set;
6518c18a01f7 eclipse.core package without osgi dependencies
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
27
6518c18a01f7 eclipse.core package without osgi dependencies
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
28 /**
6518c18a01f7 eclipse.core package without osgi dependencies
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
29 * <p>
6518c18a01f7 eclipse.core package without osgi dependencies
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
30 * A manager of {@link HandleObject} instances. This has some common behaviour
6518c18a01f7 eclipse.core package without osgi dependencies
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
31 * which is shared between all such managers.
6518c18a01f7 eclipse.core package without osgi dependencies
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
32 * </p>
6518c18a01f7 eclipse.core package without osgi dependencies
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
33 * <p>
6518c18a01f7 eclipse.core package without osgi dependencies
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
34 * Clients may extend.
6518c18a01f7 eclipse.core package without osgi dependencies
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
35 * </p>
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 * @since 3.2
6518c18a01f7 eclipse.core package without osgi dependencies
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
38 */
6518c18a01f7 eclipse.core package without osgi dependencies
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
39 public abstract class HandleObjectManager : EventManager {
6518c18a01f7 eclipse.core package without osgi dependencies
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
40
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 * The set of handle objects that are defined. This value may be empty, but
6518c18a01f7 eclipse.core package without osgi dependencies
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
43 * it is never <code>null</code>.
6518c18a01f7 eclipse.core package without osgi dependencies
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
44 */
104
04b47443bb01 Reworked the collection uses to make use of a wrapper collection that is compatible to the Java Collections.
Frank Benoit <benoit@tionex.de>
parents: 3
diff changeset
45 protected const Set definedHandleObjects;
3
6518c18a01f7 eclipse.core package without osgi dependencies
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
46
6518c18a01f7 eclipse.core package without osgi dependencies
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
47 /**
6518c18a01f7 eclipse.core package without osgi dependencies
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
48 * The map of identifiers (<code>String</code>) to handle objects (
6518c18a01f7 eclipse.core package without osgi dependencies
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
49 * <code>HandleObject</code>). This collection may be empty, but it is
6518c18a01f7 eclipse.core package without osgi dependencies
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
50 * never <code>null</code>.
6518c18a01f7 eclipse.core package without osgi dependencies
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
51 */
104
04b47443bb01 Reworked the collection uses to make use of a wrapper collection that is compatible to the Java Collections.
Frank Benoit <benoit@tionex.de>
parents: 3
diff changeset
52 protected const Map handleObjectsById;
3
6518c18a01f7 eclipse.core package without osgi dependencies
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
53
6518c18a01f7 eclipse.core package without osgi dependencies
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
54 public this(){
104
04b47443bb01 Reworked the collection uses to make use of a wrapper collection that is compatible to the Java Collections.
Frank Benoit <benoit@tionex.de>
parents: 3
diff changeset
55 definedHandleObjects = new HashSet();
04b47443bb01 Reworked the collection uses to make use of a wrapper collection that is compatible to the Java Collections.
Frank Benoit <benoit@tionex.de>
parents: 3
diff changeset
56 handleObjectsById = new HashMap();
3
6518c18a01f7 eclipse.core package without osgi dependencies
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
57 }
6518c18a01f7 eclipse.core package without osgi dependencies
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
58
6518c18a01f7 eclipse.core package without osgi dependencies
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
59 /**
6518c18a01f7 eclipse.core package without osgi dependencies
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
60 * Verifies that the identifier is valid. Exceptions will be thrown if the
6518c18a01f7 eclipse.core package without osgi dependencies
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
61 * identifier is invalid in some way.
6518c18a01f7 eclipse.core package without osgi dependencies
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
62 *
6518c18a01f7 eclipse.core package without osgi dependencies
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
63 * @param id
6518c18a01f7 eclipse.core package without osgi dependencies
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
64 * The identifier to validate; may be anything.
6518c18a01f7 eclipse.core package without osgi dependencies
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
65 */
6518c18a01f7 eclipse.core package without osgi dependencies
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
66 protected final void checkId(String id) {
6518c18a01f7 eclipse.core package without osgi dependencies
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
67 if (id is null) {
6518c18a01f7 eclipse.core package without osgi dependencies
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
68 throw new NullPointerException(
6518c18a01f7 eclipse.core package without osgi dependencies
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
69 "A handle object may not have a null identifier"); //$NON-NLS-1$
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 if (id.length < 1) {
6518c18a01f7 eclipse.core package without osgi dependencies
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
73 throw new IllegalArgumentException(
6518c18a01f7 eclipse.core package without osgi dependencies
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
74 "The handle object must not have a zero-length identifier"); //$NON-NLS-1$
6518c18a01f7 eclipse.core package without osgi dependencies
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
75 }
6518c18a01f7 eclipse.core package without osgi dependencies
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
76 }
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 /**
6518c18a01f7 eclipse.core package without osgi dependencies
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
79 * Returns the set of identifiers for those handle objects that are defined.
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 * @return The set of defined handle object identifiers; this value may be
6518c18a01f7 eclipse.core package without osgi dependencies
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
82 * empty, but it is never <code>null</code>.
6518c18a01f7 eclipse.core package without osgi dependencies
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
83 */
104
04b47443bb01 Reworked the collection uses to make use of a wrapper collection that is compatible to the Java Collections.
Frank Benoit <benoit@tionex.de>
parents: 3
diff changeset
84 protected final HashSet getDefinedHandleObjectIds() {
04b47443bb01 Reworked the collection uses to make use of a wrapper collection that is compatible to the Java Collections.
Frank Benoit <benoit@tionex.de>
parents: 3
diff changeset
85 HashSet definedHandleObjectIds = new HashSet(definedHandleObjects
04b47443bb01 Reworked the collection uses to make use of a wrapper collection that is compatible to the Java Collections.
Frank Benoit <benoit@tionex.de>
parents: 3
diff changeset
86 .size());
04b47443bb01 Reworked the collection uses to make use of a wrapper collection that is compatible to the Java Collections.
Frank Benoit <benoit@tionex.de>
parents: 3
diff changeset
87 Iterator handleObjectItr = definedHandleObjects.iterator();
04b47443bb01 Reworked the collection uses to make use of a wrapper collection that is compatible to the Java Collections.
Frank Benoit <benoit@tionex.de>
parents: 3
diff changeset
88 while (handleObjectItr.hasNext()) {
04b47443bb01 Reworked the collection uses to make use of a wrapper collection that is compatible to the Java Collections.
Frank Benoit <benoit@tionex.de>
parents: 3
diff changeset
89 HandleObject handleObject = cast(HandleObject) handleObjectItr
04b47443bb01 Reworked the collection uses to make use of a wrapper collection that is compatible to the Java Collections.
Frank Benoit <benoit@tionex.de>
parents: 3
diff changeset
90 .next();
3
6518c18a01f7 eclipse.core package without osgi dependencies
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
91 String id = handleObject.getId();
6518c18a01f7 eclipse.core package without osgi dependencies
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
92 definedHandleObjectIds.add(id);
6518c18a01f7 eclipse.core package without osgi dependencies
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
93 }
6518c18a01f7 eclipse.core package without osgi dependencies
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
94 return definedHandleObjectIds;
6518c18a01f7 eclipse.core package without osgi dependencies
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
95 }
6518c18a01f7 eclipse.core package without osgi dependencies
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
96 }