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
|
/*******************************************************************************
* Copyright (c) 2007, 2010 BMW Car IT, Technische Universitaet Muenchen, and others.
* 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:
* BMW Car IT - Initial API and implementation
* Technische Universitaet Muenchen - Major refactoring and extension
*******************************************************************************/
package org.eclipse.emf.edapt.history.reconstruction.ui;
import java.util.Collections;
import java.util.List;
import org.eclipse.emf.common.util.URI;
import org.eclipse.emf.ecore.EObject;
import org.eclipse.emf.ecore.presentation.EcoreEditor;
import org.eclipse.emf.edapt.common.ui.ModelSash;
import org.eclipse.emf.edapt.common.ui.SelectionUtils;
import org.eclipse.emf.edapt.common.ui.StructureTreeViewer;
import org.eclipse.emf.edapt.common.ui.SyncedMetamodelEditorViewBase;
import org.eclipse.emf.edapt.declaration.Parameter;
import org.eclipse.emf.edapt.history.reconstruction.CompositeReconstructorBase;
import org.eclipse.emf.edapt.history.reconstruction.EcoreBackwardReconstructor;
import org.eclipse.emf.edapt.history.reconstruction.EcoreForwardReconstructor;
import org.eclipse.emf.edapt.spi.history.Change;
import org.eclipse.emf.edapt.spi.history.ContentChange;
import org.eclipse.emf.edapt.spi.history.Delete;
import org.eclipse.emf.edapt.spi.history.NonDelete;
import org.eclipse.emf.edapt.spi.history.OperationChange;
import org.eclipse.emf.edapt.spi.history.OperationInstance;
import org.eclipse.emf.edapt.spi.history.PrimitiveChange;
import org.eclipse.emf.edapt.spi.history.Release;
import org.eclipse.emf.edapt.spi.history.ValueChange;
import org.eclipse.jface.viewers.DoubleClickEvent;
import org.eclipse.jface.viewers.IDoubleClickListener;
import org.eclipse.jface.viewers.IStructuredSelection;
import org.eclipse.jface.viewers.StructuredSelection;
import org.eclipse.swt.SWT;
import org.eclipse.swt.widgets.Composite;
/**
* View showing a reconstructed metamodel.
*
* @author herrmama
* @author $Author$
* @version $Rev$
* @levd.rating RED Rev:
*/
public class ReconstructionView extends SyncedMetamodelEditorViewBase {
/** Identifier as in the plugin.xml */
public static final String ID = ReconstructionView.class.getName();
/** Sash to show the model */
private ModelSash sash;
/** Reconstructor */
private CompositeReconstructorBase reconstructor;
/** {@inheritDoc} */
@Override
protected void createContents(Composite parent) {
sash = new ModelSash(parent, SWT.NULL);
sash.getStructureViewer().addDoubleClickListener(
new IDoubleClickListener() {
@Override
public void doubleClick(DoubleClickEvent event) {
final Object element = SelectionUtils
.getSelectedElement(event.getSelection());
if (element != null) {
final Object source = reconstructor.getMapping()
.resolveSource(element);
getEditor().setSelectionToViewer(
Collections.singletonList(source));
}
}
});
}
/** {@inheritDoc} */
@Override
public void selectionChanged(IStructuredSelection structuredSelection) {
if (structuredSelection.size() == 1) {
final Object firstElement = structuredSelection.getFirstElement();
if (firstElement instanceof Change) {
setChange((Change) firstElement);
} else if (firstElement instanceof Release) {
setRelease((Release) firstElement);
}
}
}
/** Set release to be reconstructed. */
public void setRelease(Release release) {
reconstructor = createReconstructor(release);
reconstructor.reconstruct(release, false);
final StructureTreeViewer structureViewer = sash.getStructureViewer();
structureViewer.setInput(reconstructor.getResourceSet());
structureViewer.expandToLevel(3);
}
/** Set change to be reconstructed. */
public void setChange(Change change) {
reconstructor = createReconstructor(change.getRelease());
reconstructor.reconstruct(change, false);
final StructureTreeViewer structureViewer = sash.getStructureViewer();
structureViewer.setInput(reconstructor.getResourceSet());
structureViewer.expandToLevel(3);
showAffectedElements(change);
}
/** Show the elements affected by a change. */
private void showAffectedElements(Change change) {
final StructureTreeViewer structureViewer = sash.getStructureViewer();
if (change instanceof PrimitiveChange) {
if (change instanceof ContentChange) {
if (change instanceof Delete) {
final Delete delete = (Delete) change;
final EObject target = reconstructor.getMapping().resolveTarget(
delete.getTarget());
structureViewer.setSelection(
new StructuredSelection(target), true);
} else if (change instanceof NonDelete) {
final NonDelete nonDelete = (NonDelete) change;
final EObject element = reconstructor.getMapping().resolveTarget(
nonDelete.getElement());
structureViewer.setSelection(new StructuredSelection(
element), true);
}
} else if (change instanceof ValueChange) {
final ValueChange valueChange = (ValueChange) change;
final EObject element = reconstructor.getMapping().resolveTarget(
valueChange.getElement());
structureViewer.setSelection(new StructuredSelection(element),
true);
}
} else if (change instanceof OperationChange) {
final OperationChange operationChange = (OperationChange) change;
final OperationInstance operationInstance = operationChange
.getOperation();
final Parameter mainParameter = operationInstance.getOperation()
.getMainParameter();
final Object value = operationInstance.getParameterValue(mainParameter
.getName());
final Object resolved = reconstructor.getMapping().resolveTarget(value);
if (mainParameter.isMany()) {
structureViewer.setSelection(new StructuredSelection(
(List) resolved), true);
} else {
structureViewer.setSelection(new StructuredSelection(resolved),
true);
}
}
}
/**
* Create either a backward or forward reconstructor depending on the
* proximity to the end or begin of history
*/
private CompositeReconstructorBase createReconstructor(Release release) {
final URI uri = URI.createURI("recons"); //$NON-NLS-1$
final List<Release> releases = release.getHistory().getReleases();
final int index = releases.indexOf(release);
if (index >= releases.size() - 2) {
return new EcoreBackwardReconstructor(uri);
}
return new EcoreForwardReconstructor(uri);
}
/** {@inheritDoc} */
@Override
protected void editorChanged(EcoreEditor oldEditor) {
if (getEditor() == null) {
sash.getStructureViewer().setInput(null);
}
}
/** {@inheritDoc} */
@Override
public void setFocus() {
if (!sash.isDisposed()) {
sash.setFocus();
}
}
}
|
