Mercurial > projects > dwt2
annotate org.eclipse.core.databinding.observable/src/org/eclipse/core/internal/databinding/observable/UnmodifiableObservableValue.d @ 96:b74ac5dfcc06
package to module and java.lang.all import
author | Frank Benoit <benoit@tionex.de> |
---|---|
date | Tue, 21 Apr 2009 11:03:33 +0200 |
parents | 6208d4f6a277 |
children |
rev | line source |
---|---|
95
6208d4f6a277
Added trees for databinding.beans and observable
Frank Benoit <benoit@tionex.de>
parents:
diff
changeset
|
1 /******************************************************************************* |
6208d4f6a277
Added trees for databinding.beans and observable
Frank Benoit <benoit@tionex.de>
parents:
diff
changeset
|
2 * Copyright (c) 2008 Matthew Hall and others. |
6208d4f6a277
Added trees for databinding.beans and observable
Frank Benoit <benoit@tionex.de>
parents:
diff
changeset
|
3 * All rights reserved. This program and the accompanying materials |
6208d4f6a277
Added trees for databinding.beans and observable
Frank Benoit <benoit@tionex.de>
parents:
diff
changeset
|
4 * are made available under the terms of the Eclipse Public License v1.0 |
6208d4f6a277
Added trees for databinding.beans and observable
Frank Benoit <benoit@tionex.de>
parents:
diff
changeset
|
5 * which accompanies this distribution, and is available at |
6208d4f6a277
Added trees for databinding.beans and observable
Frank Benoit <benoit@tionex.de>
parents:
diff
changeset
|
6 * http://www.eclipse.org/legal/epl-v10.html |
6208d4f6a277
Added trees for databinding.beans and observable
Frank Benoit <benoit@tionex.de>
parents:
diff
changeset
|
7 * |
6208d4f6a277
Added trees for databinding.beans and observable
Frank Benoit <benoit@tionex.de>
parents:
diff
changeset
|
8 * Contributors: |
6208d4f6a277
Added trees for databinding.beans and observable
Frank Benoit <benoit@tionex.de>
parents:
diff
changeset
|
9 * Matthew Hall - initial API and implementation (bug 219909) |
6208d4f6a277
Added trees for databinding.beans and observable
Frank Benoit <benoit@tionex.de>
parents:
diff
changeset
|
10 * Matthew Hall - bug 237884 |
6208d4f6a277
Added trees for databinding.beans and observable
Frank Benoit <benoit@tionex.de>
parents:
diff
changeset
|
11 ******************************************************************************/ |
6208d4f6a277
Added trees for databinding.beans and observable
Frank Benoit <benoit@tionex.de>
parents:
diff
changeset
|
12 |
96
b74ac5dfcc06
package to module and java.lang.all import
Frank Benoit <benoit@tionex.de>
parents:
95
diff
changeset
|
13 module org.eclipse.core.internal.databinding.observable.UnmodifiableObservableValue; |
b74ac5dfcc06
package to module and java.lang.all import
Frank Benoit <benoit@tionex.de>
parents:
95
diff
changeset
|
14 |
b74ac5dfcc06
package to module and java.lang.all import
Frank Benoit <benoit@tionex.de>
parents:
95
diff
changeset
|
15 import java.lang.all; |
95
6208d4f6a277
Added trees for databinding.beans and observable
Frank Benoit <benoit@tionex.de>
parents:
diff
changeset
|
16 |
6208d4f6a277
Added trees for databinding.beans and observable
Frank Benoit <benoit@tionex.de>
parents:
diff
changeset
|
17 import org.eclipse.core.databinding.observable.IStaleListener; |
6208d4f6a277
Added trees for databinding.beans and observable
Frank Benoit <benoit@tionex.de>
parents:
diff
changeset
|
18 import org.eclipse.core.databinding.observable.StaleEvent; |
6208d4f6a277
Added trees for databinding.beans and observable
Frank Benoit <benoit@tionex.de>
parents:
diff
changeset
|
19 import org.eclipse.core.databinding.observable.value.AbstractObservableValue; |
6208d4f6a277
Added trees for databinding.beans and observable
Frank Benoit <benoit@tionex.de>
parents:
diff
changeset
|
20 import org.eclipse.core.databinding.observable.value.IObservableValue; |
6208d4f6a277
Added trees for databinding.beans and observable
Frank Benoit <benoit@tionex.de>
parents:
diff
changeset
|
21 import org.eclipse.core.databinding.observable.value.IValueChangeListener; |
6208d4f6a277
Added trees for databinding.beans and observable
Frank Benoit <benoit@tionex.de>
parents:
diff
changeset
|
22 import org.eclipse.core.databinding.observable.value.ValueChangeEvent; |
6208d4f6a277
Added trees for databinding.beans and observable
Frank Benoit <benoit@tionex.de>
parents:
diff
changeset
|
23 |
6208d4f6a277
Added trees for databinding.beans and observable
Frank Benoit <benoit@tionex.de>
parents:
diff
changeset
|
24 /** |
6208d4f6a277
Added trees for databinding.beans and observable
Frank Benoit <benoit@tionex.de>
parents:
diff
changeset
|
25 * An unmodifiable wrapper class for IObservableValue instances. |
6208d4f6a277
Added trees for databinding.beans and observable
Frank Benoit <benoit@tionex.de>
parents:
diff
changeset
|
26 * @since 1.1 |
6208d4f6a277
Added trees for databinding.beans and observable
Frank Benoit <benoit@tionex.de>
parents:
diff
changeset
|
27 */ |
6208d4f6a277
Added trees for databinding.beans and observable
Frank Benoit <benoit@tionex.de>
parents:
diff
changeset
|
28 public class UnmodifiableObservableValue : AbstractObservableValue { |
6208d4f6a277
Added trees for databinding.beans and observable
Frank Benoit <benoit@tionex.de>
parents:
diff
changeset
|
29 private IObservableValue wrappedValue; |
6208d4f6a277
Added trees for databinding.beans and observable
Frank Benoit <benoit@tionex.de>
parents:
diff
changeset
|
30 |
6208d4f6a277
Added trees for databinding.beans and observable
Frank Benoit <benoit@tionex.de>
parents:
diff
changeset
|
31 /** |
6208d4f6a277
Added trees for databinding.beans and observable
Frank Benoit <benoit@tionex.de>
parents:
diff
changeset
|
32 * Constructs an UnmodifiableObservableValue which wraps the given |
6208d4f6a277
Added trees for databinding.beans and observable
Frank Benoit <benoit@tionex.de>
parents:
diff
changeset
|
33 * observable value |
6208d4f6a277
Added trees for databinding.beans and observable
Frank Benoit <benoit@tionex.de>
parents:
diff
changeset
|
34 * |
6208d4f6a277
Added trees for databinding.beans and observable
Frank Benoit <benoit@tionex.de>
parents:
diff
changeset
|
35 * @param wrappedValue |
6208d4f6a277
Added trees for databinding.beans and observable
Frank Benoit <benoit@tionex.de>
parents:
diff
changeset
|
36 * the observable value to wrap in an unmodifiable instance. |
6208d4f6a277
Added trees for databinding.beans and observable
Frank Benoit <benoit@tionex.de>
parents:
diff
changeset
|
37 */ |
6208d4f6a277
Added trees for databinding.beans and observable
Frank Benoit <benoit@tionex.de>
parents:
diff
changeset
|
38 public this(IObservableValue wrappedValue) { |
6208d4f6a277
Added trees for databinding.beans and observable
Frank Benoit <benoit@tionex.de>
parents:
diff
changeset
|
39 super(wrappedValue.getRealm()); |
6208d4f6a277
Added trees for databinding.beans and observable
Frank Benoit <benoit@tionex.de>
parents:
diff
changeset
|
40 |
6208d4f6a277
Added trees for databinding.beans and observable
Frank Benoit <benoit@tionex.de>
parents:
diff
changeset
|
41 this.wrappedValue = wrappedValue; |
6208d4f6a277
Added trees for databinding.beans and observable
Frank Benoit <benoit@tionex.de>
parents:
diff
changeset
|
42 wrappedValue.addValueChangeListener(new class() IValueChangeListener { |
6208d4f6a277
Added trees for databinding.beans and observable
Frank Benoit <benoit@tionex.de>
parents:
diff
changeset
|
43 public void handleValueChange(ValueChangeEvent event) { |
6208d4f6a277
Added trees for databinding.beans and observable
Frank Benoit <benoit@tionex.de>
parents:
diff
changeset
|
44 fireValueChange(event.diff); |
6208d4f6a277
Added trees for databinding.beans and observable
Frank Benoit <benoit@tionex.de>
parents:
diff
changeset
|
45 } |
6208d4f6a277
Added trees for databinding.beans and observable
Frank Benoit <benoit@tionex.de>
parents:
diff
changeset
|
46 }); |
6208d4f6a277
Added trees for databinding.beans and observable
Frank Benoit <benoit@tionex.de>
parents:
diff
changeset
|
47 wrappedValue.addStaleListener(new class() IStaleListener { |
6208d4f6a277
Added trees for databinding.beans and observable
Frank Benoit <benoit@tionex.de>
parents:
diff
changeset
|
48 public void handleStale(StaleEvent staleEvent) { |
6208d4f6a277
Added trees for databinding.beans and observable
Frank Benoit <benoit@tionex.de>
parents:
diff
changeset
|
49 fireStale(); |
6208d4f6a277
Added trees for databinding.beans and observable
Frank Benoit <benoit@tionex.de>
parents:
diff
changeset
|
50 } |
6208d4f6a277
Added trees for databinding.beans and observable
Frank Benoit <benoit@tionex.de>
parents:
diff
changeset
|
51 }); |
6208d4f6a277
Added trees for databinding.beans and observable
Frank Benoit <benoit@tionex.de>
parents:
diff
changeset
|
52 } |
6208d4f6a277
Added trees for databinding.beans and observable
Frank Benoit <benoit@tionex.de>
parents:
diff
changeset
|
53 |
6208d4f6a277
Added trees for databinding.beans and observable
Frank Benoit <benoit@tionex.de>
parents:
diff
changeset
|
54 protected Object doGetValue() { |
6208d4f6a277
Added trees for databinding.beans and observable
Frank Benoit <benoit@tionex.de>
parents:
diff
changeset
|
55 return wrappedValue.getValue(); |
6208d4f6a277
Added trees for databinding.beans and observable
Frank Benoit <benoit@tionex.de>
parents:
diff
changeset
|
56 } |
6208d4f6a277
Added trees for databinding.beans and observable
Frank Benoit <benoit@tionex.de>
parents:
diff
changeset
|
57 |
6208d4f6a277
Added trees for databinding.beans and observable
Frank Benoit <benoit@tionex.de>
parents:
diff
changeset
|
58 public Object getValueType() { |
6208d4f6a277
Added trees for databinding.beans and observable
Frank Benoit <benoit@tionex.de>
parents:
diff
changeset
|
59 return wrappedValue.getValueType(); |
6208d4f6a277
Added trees for databinding.beans and observable
Frank Benoit <benoit@tionex.de>
parents:
diff
changeset
|
60 } |
6208d4f6a277
Added trees for databinding.beans and observable
Frank Benoit <benoit@tionex.de>
parents:
diff
changeset
|
61 |
6208d4f6a277
Added trees for databinding.beans and observable
Frank Benoit <benoit@tionex.de>
parents:
diff
changeset
|
62 public bool isStale() { |
6208d4f6a277
Added trees for databinding.beans and observable
Frank Benoit <benoit@tionex.de>
parents:
diff
changeset
|
63 return wrappedValue.isStale(); |
6208d4f6a277
Added trees for databinding.beans and observable
Frank Benoit <benoit@tionex.de>
parents:
diff
changeset
|
64 } |
6208d4f6a277
Added trees for databinding.beans and observable
Frank Benoit <benoit@tionex.de>
parents:
diff
changeset
|
65 } |