/*****************************************************************************
* Copyright (c) 2011 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:
* Vincent Lorenzo (CEA LIST) vincent.lorenzo@cea.fr - Initial API and implementation
*
*****************************************************************************/
package org.eclipse.papyrus.uml.commands.handler;
import java.util.List;
import org.eclipse.emf.common.command.Command;
import org.eclipse.emf.common.command.UnexecutableCommand;
import org.eclipse.emf.ecore.EObject;
import org.eclipse.emf.transaction.TransactionalEditingDomain;
import org.eclipse.papyrus.infra.emf.utils.EMFHelper;
import org.eclipse.papyrus.uml.commands.command.PasteElementCommand;
/**
* Handler for the Paste Action
*
*/
public class PasteHandler extends AbstractEMFCommandHandler {
/**
*
* @see org.eclipse.papyrus.AbstractEMFCommandHandler.handler.AbstractCommandHandler#getCommand()
*
* @return
*/
@Override
protected Command getCommand() {
TransactionalEditingDomain editingDomain = getEditingDomain();
List<EObject> selection = getSelectedElements();
if(editingDomain != null && selection.size() == 1) {
//return PasteFromClipboardCommand.create(getEditingDomain(), selection.get(0), null);
//select UML Element and copy
return new PasteElementCommand(editingDomain, selection.get(0));
}
return UnexecutableCommand.INSTANCE;
}
/**
*
* {@inheritDoc}
*/
@Override
public boolean isEnabled() {
boolean enabled = super.isEnabled();
if(enabled) {
List<EObject> selectedElements = getSelectedElements();
EObject selection = selectedElements.get(0);
enabled = !EMFHelper.isReadOnly(selection);
}
return enabled;
}
}