/* ******************************************************************************
* Copyright (c) 2006-2012 XMind Ltd. and others.
*
* This file is a part of XMind 3. XMind releases 3 and
* above are dual-licensed under the Eclipse Public License (EPL),
* which is available at http://www.eclipse.org/legal/epl-v10.html
* and the GNU Lesser General Public License (LGPL),
* which is available at http://www.gnu.org/licenses/lgpl.html
* See http://www.xmind.net/license.html for details.
*
* Contributors:
* XMind Ltd. - initial API and implementation
*******************************************************************************/
package org.xmind.ui.commands;
import java.util.Collection;
import org.eclipse.ui.ISourceProvider;
import org.xmind.core.ITopic;
import org.xmind.gef.command.ModifyCommand;
public class ModifyTopicStructureCommand extends ModifyCommand {
public ModifyTopicStructureCommand(ITopic source, String newStructureClass) {
super(source, newStructureClass);
}
public ModifyTopicStructureCommand(Collection<ITopic> sources,
String newStructureClass) {
super(sources, newStructureClass);
}
public ModifyTopicStructureCommand(ISourceProvider sourceProvider,
String newStructureClass) {
super(sourceProvider, newStructureClass);
}
protected Object getValue(Object source) {
if (source instanceof ITopic) {
return ((ITopic) source).getStructureClass();
}
return null;
}
protected void setValue(Object source, Object value) {
if (source instanceof ITopic) {
ITopic topic = (ITopic) source;
if (value == null || value instanceof String) {
topic.setStructureClass((String) value);
}
}
}
}