/******************************************************************************* * ALMA - Atacama Large Millimeter Array * Copyright (c) ESO - European Southern Observatory, 2013 * (in the framework of the ALMA collaboration). * All rights reserved. * * This library is free software; you can redistribute it and/or * modify it under the terms of the GNU Lesser General Public * License as published by the Free Software Foundation; either * version 2.1 of the License, or (at your option) any later version. * * This library is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU * Lesser General Public License for more details. * * You should have received a copy of the GNU Lesser General Public * License along with this library; if not, write to the Free Software * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA *******************************************************************************/ package alma.acs.eventbrowser.handlers; import org.eclipse.e4.core.contexts.Active; import org.eclipse.e4.core.di.annotations.CanExecute; import org.eclipse.e4.core.di.annotations.Execute; import org.eclipse.e4.ui.model.application.ui.basic.MPart; import alma.acs.eventbrowser.parts.IEventListPart; /** * Clear-event-list handler for parts that implement {@link IEventListPart}. */ public class ClearEventsHandler { /** */ @CanExecute public boolean canExecute() { return true; } @Execute public void execute(@Active MPart part) { if (part.getObject() instanceof IEventListPart) { ((IEventListPart) part.getObject()).clearList(); } else { System.out.println("Error in " + ClearEventsHandler.class.getSimpleName() + ": expected an MPart that represents an 'IEventListPart'. Got instead a " + part.getObject().getClass().getName()); } } }