/**
* Copyright 2010 The University of North Carolina at Chapel Hill
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package unc.lib.cdr.workbench.arrange;
import gov.loc.mets.DivType;
import org.eclipse.core.commands.AbstractHandler;
import org.eclipse.core.commands.ExecutionEvent;
import org.eclipse.core.commands.ExecutionException;
import org.eclipse.emf.common.command.Command;
import org.eclipse.emf.edit.command.RemoveCommand;
import org.eclipse.emf.edit.domain.EditingDomain;
import org.eclipse.jface.dialogs.MessageDialog;
import org.eclipse.jface.viewers.IStructuredSelection;
import org.eclipse.ui.handlers.HandlerUtil;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import unc.lib.cdr.workbench.project.MetsProjectNature;
/**
* @author Gregory Jansen
*
*/
public class RemoveDivHandler extends AbstractHandler {
@SuppressWarnings("unused")
private static final Logger LOG = LoggerFactory.getLogger(RemoveDivHandler.class);
/*
* (non-Javadoc)
*
* @see org.eclipse.core.commands.IHandler#execute(org.eclipse.core.commands. ExecutionEvent)
*/
@Override
public Object execute(ExecutionEvent event) throws ExecutionException {
IStructuredSelection select = (IStructuredSelection) HandlerUtil.getCurrentSelectionChecked(event);
boolean confirmed = MessageDialog.openConfirm(HandlerUtil.getActiveShell(event), "Confirm Delete",
"Please confirm that you wish to delete (un-capture) the selected part of the arrangement.");
if(!confirmed) return null;
for (Object o : select.toList()) {
if (o instanceof DivType) {
DivType d = (DivType) o;
EditingDomain ed = MetsProjectNature.getEditingDomain(d);
Command cmd = RemoveCommand.create(ed, o);
try {
if(cmd.canExecute()) {
ed.getCommandStack().execute(cmd);
}
} catch (NullPointerException e) {
e.printStackTrace();
}
}
}
return null;
}
}