|
1
|
/*******************************************************************************
|
|
2
|
* Copyright (c) 2003, 2006 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
|
*******************************************************************************/
|
|
11
|
package org.eclipse.ui.internal.navigator.extensions;
|
|
12
|
|
|
13
|
import java.util.HashMap;
|
|
14
|
import java.util.Map;
|
|
15
|
|
|
16
|
import org.eclipse.core.commands.common.EventManager;
|
|
17
|
import org.eclipse.jface.util.IPropertyChangeListener;
|
|
18
|
import org.eclipse.jface.util.PropertyChangeEvent;
|
|
19
|
import org.eclipse.ui.navigator.IExtensionStateModel;
|
|
20
|
|
|
21
|
/**
|
|
22
|
*
|
|
23
|
*
|
|
24
|
* @since 3.2
|
|
25
|
* @see IExtensionStateModel
|
|
26
|
*/
|
|
27
|
public class ExtensionStateModel extends EventManager implements
|
|
28
|
IExtensionStateModel {
|
|
29
|
|
|
30
|
private final String id;
|
|
31
|
|
|
32
|
private final String viewerId;
|
|
33
|
|
|
34
|
private final Map values = new HashMap();
|
|
35
|
|
|
36
|
/**
|
|
37
|
* Create an extension state model for the given extension (anId) associated
|
|
38
|
* with the given viewer (aViewerId).
|
|
39
|
*
|
|
40
|
* @param anId
|
|
41
|
* The id of the extension this state model is used for.
|
|
42
|
* @param aViewerId
|
|
43
|
* The id of the viewer this state model is associated with.
|
|
44
|
*/
|
|
45
|
public ExtensionStateModel(String anId, String aViewerId) {
|
|
46
|
id = anId;
|
|
47
|
viewerId = aViewerId;
|
|
48
|
}
|
|
49
|
|
|
50
|
public String getId() {
|
|
51
|
return id;
|
|
52
|
}
|
|
53
|
|
|
54
|
public String getViewerId() {
|
|
55
|
return viewerId;
|
|
56
|
}
|
|
57
|
|
|
58
|
public String getStringProperty(String aPropertyName) {
|
|
59
|
return (String) values.get(aPropertyName);
|
|
60
|
}
|
|
61
|
|
|
62
|
public boolean getBooleanProperty(String aPropertyName) {
|
|
63
|
|
|
64
|
Boolean b = (Boolean) values.get(aPropertyName);
|
|
65
|
return b != null ? b.booleanValue() : false;
|
|
66
|
}
|
|
67
|
|
|
68
|
public int getIntProperty(String aPropertyName) {
|
|
69
|
Integer i = (Integer) values.get(aPropertyName);
|
|
70
|
return i != null ? i.intValue() : -1;
|
|
71
|
}
|
|
72
|
|
|
73
|
public void setStringProperty(String aPropertyName, String aPropertyValue) {
|
|
74
|
String oldValue = (String) values.get(aPropertyName);
|
|
75
|
String newValue = aPropertyValue;
|
|
76
|
if (hasPropertyChanged(oldValue, newValue)) {
|
|
77
|
values.put(aPropertyName, newValue);
|
|
78
|
firePropertyChangeEvent(new PropertyChangeEvent(this,
|
|
79
|
aPropertyName, oldValue, newValue));
|
|
80
|
}
|
|
81
|
}
|
|
82
|
|
|
83
|
public void setBooleanProperty(String aPropertyName, boolean aPropertyValue) {
|
|
84
|
Boolean oldValue = (Boolean) values.get(aPropertyName);
|
|
85
|
Boolean newValue = aPropertyValue ? Boolean.TRUE : Boolean.FALSE;
|
|
86
|
if (hasPropertyChanged(oldValue, newValue)) {
|
|
87
|
|
|
88
|
values.put(aPropertyName, aPropertyValue ? Boolean.TRUE
|
|
89
|
: Boolean.FALSE);
|
|
90
|
firePropertyChangeEvent(new PropertyChangeEvent(this,
|
|
91
|
aPropertyName, oldValue, newValue));
|
|
92
|
}
|
|
93
|
}
|
|
94
|
|
|
95
|
public void setIntProperty(String aPropertyName, int aPropertyValue) {
|
|
96
|
Integer oldValue = (Integer) values.get(aPropertyName);
|
|
97
|
Integer newValue = new Integer(aPropertyValue);
|
|
98
|
if (hasPropertyChanged(oldValue, newValue)) {
|
|
99
|
values.put(aPropertyName, newValue);
|
|
100
|
firePropertyChangeEvent(new PropertyChangeEvent(this,
|
|
101
|
aPropertyName, oldValue, newValue));
|
|
102
|
}
|
|
103
|
}
|
|
104
|
|
|
105
|
public void addPropertyChangeListener(IPropertyChangeListener aListener) {
|
|
106
|
addListenerObject(aListener);
|
|
107
|
}
|
|
108
|
|
|
109
|
public void removePropertyChangeListener(IPropertyChangeListener aListener) {
|
|
110
|
removeListenerObject(aListener);
|
|
111
|
}
|
|
112
|
|
|
113
|
public Object getProperty(String aPropertyName) {
|
|
114
|
return values.get(aPropertyName);
|
|
115
|
}
|
|
116
|
|
|
117
|
public void setProperty(String aPropertyName, Object aPropertyValue) {
|
|
118
|
|
|
119
|
Object oldValue = values.get(aPropertyName);
|
|
120
|
Object newValue = aPropertyValue;
|
|
121
|
if (hasPropertyChanged(oldValue, newValue)) {
|
|
122
|
values.put(aPropertyName, newValue);
|
|
123
|
firePropertyChangeEvent(new PropertyChangeEvent(this,
|
|
124
|
aPropertyName, oldValue, newValue));
|
|
125
|
}
|
|
126
|
}
|
|
127
|
|
|
128
|
private boolean hasPropertyChanged(Object oldValue, Object newValue) {
|
|
129
|
return oldValue == null || !oldValue.equals(newValue);
|
|
130
|
}
|
|
131
|
|
|
132
|
protected void firePropertyChangeEvent(PropertyChangeEvent anEvent) {
|
|
133
|
Object[] listeners = getListeners();
|
|
134
|
for (int i = 0; i < listeners.length; ++i) {
|
|
135
|
((IPropertyChangeListener) listeners[i]).propertyChange(anEvent);
|
|
136
|
}
|
|
137
|
}
|
|
138
|
|
|
139
|
}
|