blob: 7956d700ae6121ec5ce75a00b63fc05a51d939b4 (
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
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
|
/*****************************************************************************
* Copyright (c) 2013 Cedric Dumoulin.
*
*
* All rights reserved. This program and the accompanying materials
* are made available under the terms of the Eclipse Public License v1.0
* which accompanies this distribution, and is available at
* http://www.eclipse.org/legal/epl-v10.html
*
* Contributors:
* Cedric Dumoulin Cedric.dumoulin@lifl.fr - Initial API and implementation
*
*****************************************************************************/
package org.eclipse.papyrus.layers.runtime;
import java.util.List;
import org.eclipse.emf.ecore.util.EcoreUtil;
import org.eclipse.papyrus.layers.runtime.notifier.DiagramChangedEventNotifier;
import org.eclipse.papyrus.layers.runtime.notifier.DomainChangedEventNotifier;
import org.eclipse.papyrus.layers.stackmodel.layers.LayersStack;
import org.eclipse.papyrus.layers.stackmodel.layers.RegExpLayer;
import org.eclipse.papyrus.layers.stackmodel.notifier.DiagramViewEventNotifier;
/**
* A synchronizer used to call the {@link RegExpLayer#evaluateExpr()}.
* The synchronizer listen on some events, and manage and {@link RegExpLayer} accordingly.
* One instance of this class is associated with each {@link LayersStack}.
* The instance is created by the {@link LayerStackSynchronizer#activate()}.
* The instance is deleted by {@link LayerStackSynchronizer#dispose()}.
*
*
*
*
* The listenned events:
* <ul>
* <li></li>
* <li></li>
* <li></li>
* <li></li>
* <li></li>
* </ul>
* <br>
*
* @author cedric dumoulin
*
*/
public class DerivedViewLayerSynchronizer {
/**
* Listener on external events of type Domain level 1.
*/
private DomainChangedEventNotifier domainChangedLevel1Notifier;
/**
* Listener on external events of type Domain.
*/
private DomainChangedEventNotifier domainChangedAllLevelNotifier;
private DiagramChangedEventNotifier diagramChangedLevel1Notifier;
private DiagramChangedEventNotifier diagramChangedAllLevelNotifier;
/**
* The {@link LayersStack} for which this Notifier works.
*/
private LayersStack layersStack;
/**
*
* Constructor.
*
*/
public DerivedViewLayerSynchronizer(LayersStack layersStack) {
this.layersStack = layersStack;
}
public LayersStack getLayersStack() {
return layersStack;
}
/**
* Init the class.
*/
protected void init() {
// Domain events
domainChangedLevel1Notifier = new DomainChangedEventNotifier(layersStack);
domainChangedAllLevelNotifier = new DomainChangedEventNotifier(layersStack);
// Diagram view events
diagramChangedLevel1Notifier = new DiagramChangedEventNotifier(layersStack);
diagramChangedAllLevelNotifier = new DiagramChangedEventNotifier(layersStack);
// Diagram changed events
// TODO reuse notifiers from elsewhere ?
// LEt LayerStackSynchronizer call activate() and deactivate() ?
registerDerivedViewLayers();
}
/**
* Activate the listeners.
*
*/
protected void activate() {
registerDerivedViewLayers();
}
/**
* Deactivate listeners
*/
protected void deactivate() {
domainChangedLevel1Notifier.removeAllListeners();
domainChangedAllLevelNotifier.removeAllListeners();
diagramChangedLevel1Notifier.removeAllListeners();
diagramChangedAllLevelNotifier.removeAllListeners();
}
/**
* Dispose the synchronizer
*/
protected void dispose() {
// Deactivate listeners
deactivate();
domainChangedLevel1Notifier = null;
domainChangedAllLevelNotifier = null;
diagramChangedLevel1Notifier = null;
diagramChangedAllLevelNotifier = null;
}
/**
* Return true if the object is disposed.
* @return
*/
protected boolean isDisposed() {
return domainChangedLevel1Notifier == null;
}
/**
* Lookup the DerivedViewLayer existing in the associated LayerStack.
* Register them to the corresponding listeners.
*
*/
private void registerDerivedViewLayers() {
// get the Layers
List<RegExpLayer> layers = lookupDerivedViewLayer();
for(RegExpLayer layer : layers ) {
registerDerivedLayer(layer);
}
}
/**
* Lookup all DerivedViewLayer owned by the {@link LayersStack}.
*
* @return a {@link List} of {@link DerivedViewLayer} owned by the {@link LayersStack}.
*/
private List<RegExpLayer> lookupDerivedViewLayer() {
// TODO implements this:
// with a visitor ?
// with getAllContents ?
EcoreUtil.getObjectsByType(layersStack.e, type)
getLayersStack().
// TODO Auto-generated method stub
return null;
}
/**
* Register the provided layer to the listeners required by such layer.
*
* @param layer The layer to register.
*/
private void registerDerivedLayer(RegExpLayer layer) {
if(layer.isAnyDomainChangedEventDependant() ) {
if( layer.domainChangedEventLevel == 1) {
domainChangedLevel1Notifier.addListener(layer);
} else {
// All level
domainChangedAllLevelNotifier.addListener(layer);
}
}
if(layer.isAnyDiagramChangedEventDependant() ) {
if( layer.diagramChangedEventLevel == 1) {
diagramChangedLevel1Notifier.addListener(layer);
} else {
// All level
diagramChangedAllLevelNotifier.addListener(layer);
}
}
}
}
|
