blob: 3f290618e37895e3775153e833636808cd958226 (
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
|
/*****************************************************************************
* Copyright (c) 2011, 2014 CEA LIST 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:
* Vincent Lorenzo (CEA LIST) vincent.lorenzo@cea.fr - Initial API and implementation
* Benoit Maggi (CEA LIST) benoit.maggi@cea.fr - Use of a paste strategies
*****************************************************************************/
package org.eclipse.papyrus.views.modelexplorer.handler;
import java.util.Collection;
import java.util.List;
import org.eclipse.emf.common.command.Command;
import org.eclipse.emf.ecore.EObject;
import org.eclipse.emf.transaction.TransactionalEditingDomain;
import org.eclipse.papyrus.infra.core.clipboard.PapyrusClipboard;
import org.eclipse.papyrus.infra.gmfdiag.common.commands.DefaultCopyCommand;
import org.eclipse.papyrus.infra.gmfdiag.common.strategy.IStrategy;
import org.eclipse.papyrus.infra.gmfdiag.common.strategy.paste.IPasteStrategy;
import org.eclipse.papyrus.infra.gmfdiag.common.strategy.paste.PasteStrategyManager;
/**
* Handler for the Copy Action
*/
public class CopyHandler extends AbstractCommandHandler {
/**
* Check if the selection allow copy
*
* @param selectedElements
* @return
*/
public static boolean isCopyEnabled(Collection<EObject> selectedElements) {
return !selectedElements.isEmpty();
}
/**
* Construct copy command from the selection
*
* @param editingDomain
* @param selectedElements
* @return
*/
public static Command buildCopyCommand(TransactionalEditingDomain editingDomain, Collection<EObject> selectedElements) {
PapyrusClipboard<Object> papyrusClipboard = PapyrusClipboard.getNewInstance();
DefaultCopyCommand defaultCopyCommand = new DefaultCopyCommand(editingDomain, papyrusClipboard, selectedElements);
List<IStrategy> allStrategies = PasteStrategyManager.getInstance().getAllStrategies();
for (IStrategy iStrategy : allStrategies) {
IPasteStrategy iPasteStrategy = (IPasteStrategy) iStrategy;
iPasteStrategy.prepare(papyrusClipboard, selectedElements);
}
return defaultCopyCommand;
}
/**
*
* @see org.eclipse.papyrus.views.modelexplorer.handler.AbstractCommandHandler#getCommand()
*
* @return
*/
@Override
protected Command getCommand() {
return buildCopyCommand(getEditingDomain(), getSelectedElements());
}
/*
* (non-Javadoc)
*
* @see org.eclipse.papyrus.views.modelexplorer.handler.AbstractCommandHandler#computeEnabled()
*/
@Override
protected boolean computeEnabled() { // copy is enable as long as there is an EObject to put in the Clipboard
return isCopyEnabled(getSelectedElements());
}
/*
* (non-Javadoc)
*
* @see org.eclipse.papyrus.views.modelexplorer.handler.AbstractCommandHandler#setEnabled(java.lang.Object)
*/
@Override
public void setEnabled(Object evaluationContext) {
PapyrusClipboard<Object> instance = PapyrusClipboard.getInstance();
super.setEnabled(evaluationContext); // setenabled should'nt clear/modify the clipboard
PapyrusClipboard.setInstance(instance);
}
}
|
