blob: 37dfc52979ec78c4f31b4dfe5feb1c1a5b69c5f2 (
plain) (
blame)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
|
/*******************************************************************************
* Copyright (c) 2006, 2015 IBM Corporation and others.
*
* This program and the accompanying materials
* are made available under the terms of the Eclipse Public License 2.0
* which accompanies this distribution, and is available at
* https://www.eclipse.org/legal/epl-2.0/
*
* SPDX-License-Identifier: EPL-2.0
*
* Contributors:
* IBM Corporation - initial API and implementation
* Wind River Systems, Inc. - adapted for for disassembly parts
*******************************************************************************/
package org.eclipse.cdt.debug.ui.disassembly.rulers;
import java.util.Set;
import org.eclipse.cdt.debug.internal.ui.preferences.StringSetSerializer;
import org.eclipse.core.runtime.Assert;
import org.eclipse.jface.preference.IPreferenceStore;
/**
* Manages the preferences for ruler contributions stored in a preference store.
*
* @since 7.2
*/
public final class RulerColumnPreferenceAdapter {
private final IPreferenceStore fStore;
private final String fKey;
/**
* Creates a new preference adapter that will read and write under the specified key in the
* given preference store.
*
* @param store the preference store
* @param key the key
*/
public RulerColumnPreferenceAdapter(IPreferenceStore store, String key) {
Assert.isLegal(store != null);
Assert.isLegal(key != null);
fStore= store;
fKey= key;
}
/**
* Returns the enablement state of the given ruler contribution.
*
* @param descriptor a ruler contribution descriptor
* @return <code>true</code> if the ruler is enabled, <code>false</code> otherwise
*/
public boolean isEnabled(RulerColumnDescriptor descriptor) {
Assert.isLegal(descriptor != null);
String preference= fStore.getString(fKey);
return StringSetSerializer.deserialize(preference).contains(descriptor.getId()) ^ descriptor.getDefaultEnablement();
}
/**
* Sets the enablement state of the given ruler contribution.
*
* @param descriptor a ruler contribution descriptor
* @param enabled <code>true</code> to enable the contribution, <code>false</code> to
* disable it
*/
public void setEnabled(RulerColumnDescriptor descriptor, boolean enabled) {
Assert.isLegal(descriptor != null);
String id= descriptor.getId();
String preference= fStore.getString(fKey);
Set<String> marked= StringSetSerializer.deserialize(preference);
boolean shouldMark= enabled ^ descriptor.getDefaultEnablement();
boolean isMarked= marked.contains(id);
if (isMarked != shouldMark) {
if (shouldMark)
marked.add(id);
else
marked.remove(id);
fStore.setValue(fKey, StringSetSerializer.serialize(marked));
}
}
/**
* Toggles the enablement state of given the ruler contribution.
*
* @param descriptor a ruler contribution descriptor
*/
public void toggle(RulerColumnDescriptor descriptor) {
Assert.isLegal(descriptor != null);
setEnabled(descriptor, !isEnabled(descriptor));
}
}
|
