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
|
/*****************************************************************************
* Copyright (c) 2013 CEA LIST.
*
*
* 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:
* Laurent Wouters laurent.wouters@cea.fr - Initial API and implementation
*
*****************************************************************************/
package org.eclipse.papyrus.infra.gmfdiag.common.helper;
import org.eclipse.emf.common.command.AbstractCommand;
import org.eclipse.emf.common.command.Command;
import org.eclipse.emf.ecore.EObject;
import org.eclipse.gmf.runtime.notation.Diagram;
import org.eclipse.papyrus.commands.Activator;
import org.eclipse.papyrus.infra.core.resource.ModelSet;
import org.eclipse.papyrus.infra.core.services.ServiceException;
import org.eclipse.papyrus.infra.core.services.ServicesRegistry;
import org.eclipse.papyrus.infra.emf.utils.ServiceUtilsForEObject;
import org.eclipse.papyrus.infra.gmfdiag.common.AbstractPapyrusGmfCreateDiagramCommandHandler;
import org.eclipse.papyrus.infra.gmfdiag.common.utils.DiagramUtils;
import org.eclipse.papyrus.infra.gmfdiag.representation.PapyrusDiagram;
import org.eclipse.papyrus.infra.viewpoints.policy.ViewPrototype;
/**
* Represents a prototype of GMF diagram for the viewpoints infrastructure
*
* @author Laurent Wouters
*/
public class DiagramPrototype extends ViewPrototype {
protected final String category;
protected final AbstractPapyrusGmfCreateDiagramCommandHandler command;
/**
* @since 3.0
*/
public DiagramPrototype(PapyrusDiagram configuration, String category, AbstractPapyrusGmfCreateDiagramCommandHandler command) {
super(configuration);
this.category = category;
this.command = command;
}
@Override
public boolean instantiateOn(EObject owner) {
return instantiateOn(owner, null);
}
@Override
public boolean instantiateOn(EObject owner, String name) {
ServicesRegistry registry;
try {
registry = ServiceUtilsForEObject.getInstance().getServiceRegistry(owner);
} catch (ServiceException ex) {
Activator.log.error(ex);
return false;
}
ModelSet modelSet;
try {
modelSet = registry.getService(ModelSet.class);
} catch (ServiceException ex) {
Activator.log.error(ex);
return false;
}
Object result = command.createDiagram(modelSet, owner, owner, this, name);
return (result != null);
}
@Override
public boolean isOwnerReassignable() {
// Users can always move diagrams that are part of their viewpoint
return true;
}
@Override
public Command getCommandChangeOwner(EObject view, final EObject target) {
final Diagram diagram = (Diagram) view;
final EObject previous = DiagramUtils.getOwner(diagram);
return new AbstractCommand("Change diagram owner") {
@Override
public void execute() {
DiagramUtils.setOwner(diagram, target);
}
@Override
public void undo() {
DiagramUtils.setOwner(diagram, previous);
}
@Override
public void redo() {
DiagramUtils.setOwner(diagram, target);
}
@Override
protected boolean prepare() {
return true;
}
};
}
@Override
public Command getCommandChangeRoot(EObject view, final EObject target) {
final Diagram diagram = (Diagram) view;
final EObject previous = diagram.getElement();
return new AbstractCommand("Change diagram root element") {
@Override
public void execute() {
diagram.setElement(target);
}
@Override
public void undo() {
diagram.setElement(previous);
}
@Override
public void redo() {
diagram.setElement(target);
}
@Override
protected boolean prepare() {
return true;
}
};
}
@Override
public EObject getOwnerOf(EObject view) {
return DiagramUtils.getOwner((Diagram) view);
}
@Override
public EObject getRootOf(EObject view) {
return ((Diagram) view).getElement();
}
/**
* @since 3.0
*/
@Override
public PapyrusDiagram getRepresentationKind() {
return (PapyrusDiagram) representationKind;
}
}
|
