bundles/core/org.eclipse.apogy.core.invocator.ui/src/org/eclipse/apogy/core/invocator/ui/commands/SetActiveInvocatorSessionCommand.java

/*******************************************************************************
 * Copyright (c) 2018 Agence spatiale canadienne / Canadian Space Agency 
 * 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:
 *     Pierre Allard,
 *     Regent L'Archeveque,
 *     Olivier L. Larouche - initial API and implementation
 *
 * SPDX-License-Identifier: EPL-1.0
 *     
 *******************************************************************************/
package org.eclipse.apogy.core.invocator.ui.commands;

import java.util.Iterator;

import org.eclipse.apogy.core.invocator.ApogyCoreInvocatorFacade;
import org.eclipse.apogy.core.invocator.InvocatorSession;
import org.eclipse.core.commands.AbstractHandler;
import org.eclipse.core.commands.ExecutionEvent;
import org.eclipse.core.commands.ExecutionException;
import org.eclipse.core.commands.IHandler;
import org.eclipse.jface.viewers.IStructuredSelection;
import org.eclipse.ui.handlers.HandlerUtil;

public class SetActiveInvocatorSessionCommand extends AbstractHandler implements
		IHandler {

	@Override
	public Object execute(ExecutionEvent event) throws ExecutionException {
		Iterator<?> selections = ((IStructuredSelection) HandlerUtil
				.getActiveMenuSelection(event)).iterator();

		while (selections.hasNext()) {
			Object selection = selections.next();

			if (selection instanceof InvocatorSession) {
				ApogyCoreInvocatorFacade.INSTANCE
						.setActiveInvocatorSession((InvocatorSession) selection);
			}
		}
		return null;
	}
}