plugins/metrics/org.eclipse.papyrus.metrics.handlers/src/org/eclipse/papyrus/metrics/handlers/MeasureMetricsHandler.java

/*****************************************************************************
 * Copyright (c) 2016 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 Alferez (mauricio.alferez@cea.fr) CEA LIST - Initial API and implementation
 *
 *****************************************************************************/
package org.eclipse.papyrus.metrics.handlers;

import java.util.ArrayList;

import org.eclipse.core.commands.ExecutionEvent;
import org.eclipse.core.commands.ExecutionException;
import org.eclipse.papyrus.metrics.commands.CalculateRegisteredMeasuresCommand;
import org.eclipse.uml2.uml.Element;

/**
 * This class handle the measures measurement
 *
 */
public class MeasureMetricsHandler extends PapyrusAbstractHandler {

	public Object execute(ExecutionEvent event) throws ExecutionException {
		super.execute(event);
		ArrayList<Element> selectedElements = getSelectionSet();

		if (selectedElements.size() == 1) {
			Element selectedElement = getSelection();
			if (selectedElement != null) {
				CalculateRegisteredMeasuresCommand calculateRegisteredMeasuresCommand = new CalculateRegisteredMeasuresCommand(selectedElement);
				transactionalEditingDomain.getCommandStack().execute(calculateRegisteredMeasuresCommand);
			}
		}
		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;
		}
	}
}