AddSimilarAspectHandler.java

/**
 * This file is part of Archiv-Editor.
 * 
 * The software Archiv-Editor serves as a client user interface for working with
 * the Person Data Repository. See: pdr.bbaw.de
 * 
 * The software Archiv-Editor was developed at the Berlin-Brandenburg Academy
 * of Sciences and Humanities, Jägerstr. 22/23, D-10117 Berlin.
 * www.bbaw.de
 * 
 * Copyright (C) 2010-2013  Berlin-Brandenburg Academy
 * of Sciences and Humanities
 * 
 * The software Archiv-Editor was developed by @author: Christoph Plutte.
 * 
 * Archiv-Editor 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 3 of the License, or
 * (at your option) any later version.
 * 
 * Archiv-Editor 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 Archiv-Editor.  
 * If not, see <http://www.gnu.org/licenses/lgpl-3.0.html>.
 */
package org.bbaw.pdr.ae.view.main.commands;

import org.bbaw.pdr.ae.common.NLMessages;
import org.bbaw.pdr.ae.control.core.PDRObjectBuilder;
import org.bbaw.pdr.ae.control.core.UserRichtsChecker;
import org.bbaw.pdr.ae.control.facade.Facade;
import org.bbaw.pdr.ae.metamodel.PdrId;
import org.bbaw.pdr.ae.model.Aspect;
import org.bbaw.pdr.ae.view.main.editors.AspectEditorDialog;
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.dialogs.MessageDialog;
import org.eclipse.ui.PlatformUI;
import org.eclipse.ui.handlers.HandlerUtil;

/**
 * @author cplutte this handlerClass opens the AspectEditor and adds a new
 *         Aspect to current object.
 */
public class AddSimilarAspectHandler extends AbstractHandler implements IHandler
{

	/** The _ur checker. */
	private UserRichtsChecker _urChecker = new UserRichtsChecker();

	/** The _facade. */
	private Facade _facade = Facade.getInstanz();
	private PDRObjectBuilder _pdrObjectBuilder = new PDRObjectBuilder();

	@Override
	public final Object execute(final ExecutionEvent event) throws ExecutionException
	{
		if (_facade.getCurrentAspect() != null)
		{
			if (!_urChecker.isUserGuest())
			{
				PdrId owningObject = null;
				if (_facade.getCurrentPerson() != null
						&& _facade.getCurrentTreeObjects()[_facade.getCurrentTreeObjects().length - 1].getPdrId()
								.equals(_facade.getCurrentPerson().getPdrId()))
				{
					owningObject = _facade.getCurrentPerson().getPdrId();
				}
				else if (_facade.getCurrentReference() != null
						&& _facade.getCurrentTreeObjects()[_facade.getCurrentTreeObjects().length - 1].getPdrId()
								.equals(_facade.getCurrentReference().getPdrId()))
				{
					owningObject = _facade.getCurrentReference().getPdrId();
				}
				Aspect a = _pdrObjectBuilder.buildSimilarAspect(owningObject, _facade.getCurrentAspect());

				_facade.setCurrentAspect(a);

				AspectEditorDialog dialog = new AspectEditorDialog(HandlerUtil.getActiveWorkbenchWindow(event)
						.getShell(), a);
				dialog.open();
			}
			else
			{
				MessageDialog.openInformation(PlatformUI.getWorkbench().getActiveWorkbenchWindow().getShell(), NLMessages
						.getString("Commandsr_guest_user"), NLMessages.getString("Commandsr_guest_user_denied")); //$NON-NLS-1$
			}
		}

		return null;
	}

}