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/*****************************************************************************
* Copyright (c) 2015 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:
* Mauricio Alférez (mauricio.alferez@cea.fr) CEA LIST. - initial API and implementation
*
*******************************************************************************/
package org.eclipse.papyrus.req.sysml.assistant.handler;
import org.eclipse.core.commands.ExecutionEvent;
import org.eclipse.core.commands.ExecutionException;
import org.eclipse.papyrus.req.sysml.assistant.command.InitDecomposeReqCommand;
import org.eclipse.uml2.uml.Element;
/**
* is used to create a "decompose" link between requirements
*/
public class DecomposeReqHandler extends PapyrusReqSysMLAbstractHandler {
public Object execute(ExecutionEvent event) throws ExecutionException {
super.execute(event);
Element selectedElement = getSelection();
if (selectedElement != null) {
InitDecomposeReqCommand decomposeReqCommand = new InitDecomposeReqCommand(transactionalEditingDomain,
selectedElement);
transactionalEditingDomain.getCommandStack().execute(decomposeReqCommand);
}
return null;
}
/**
*
* @see org.eclipse.core.commands.AbstractHandler#isEnabled()
*
* @return true if the handler is possible
*/
@Override
public boolean isEnabled() {
Element selectedElement = getSelection();
if (selectedElement != null) {
return true;
} else {
return false;
}
}
}
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