/*
* Copyright (c) 2012 Data Harmonisation Panel
*
* All rights reserved. This program and the accompanying materials are made
* available 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.
*
* You should have received a copy of the GNU Lesser General Public License
* along with this distribution. If not, see <http://www.gnu.org/licenses/>.
*
* Contributors:
* HUMBOLDT EU Integrated Project #030962
* Data Harmonisation Panel <http://www.dhpanel.eu>
*/
package eu.esdihumboldt.hale.ui.service.entity.internal.handler;
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.ISelection;
import org.eclipse.jface.viewers.IStructuredSelection;
import org.eclipse.ui.PlatformUI;
import org.eclipse.ui.handlers.HandlerUtil;
import eu.esdihumboldt.hale.common.align.model.EntityDefinition;
import eu.esdihumboldt.hale.ui.service.entity.EntityDefinitionService;
/**
* Removes the instance context of the selected {@link EntityDefinition}.
*
* @author Simon Templer
*/
public class RemoveContextHandler extends AbstractHandler {
/**
* @see IHandler#execute(ExecutionEvent)
*/
@Override
public Object execute(ExecutionEvent event) throws ExecutionException {
ISelection selection = HandlerUtil.getCurrentSelection(event);
if (selection != null && !selection.isEmpty()
&& selection instanceof IStructuredSelection) {
EntityDefinitionService eds = PlatformUI.getWorkbench()
.getService(EntityDefinitionService.class);
for (Object element : ((IStructuredSelection) selection).toList()) {
if (element instanceof EntityDefinition) {
eds.removeContext((EntityDefinition) element);
}
}
}
return null;
}
}