/* ******************************************************************************
* 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.internal.handlers;
import org.eclipse.core.commands.AbstractHandler;
import org.eclipse.core.commands.ExecutionEvent;
import org.eclipse.core.commands.ExecutionException;
import org.eclipse.jface.viewers.ISelection;
import org.eclipse.jface.viewers.ISelectionProvider;
import org.eclipse.jface.viewers.IStructuredSelection;
import org.eclipse.ui.handlers.HandlerUtil;
import org.xmind.ui.properties.IPropertyEditingEntry;
/**
* @author Frank Shaka
*/
public class ResetPropertyHandler extends AbstractHandler {
private ISelectionProvider selectionProvider;
public ResetPropertyHandler(ISelectionProvider selectionProvider) {
this.selectionProvider = selectionProvider;
}
public ResetPropertyHandler() {
this(null);
}
public Object execute(ExecutionEvent event) throws ExecutionException {
resetSelectedStyleProperty(event);
return null;
}
protected void resetSelectedStyleProperty(ExecutionEvent event) {
ISelection selection = selectionProvider != null ? selectionProvider
.getSelection() : HandlerUtil.getCurrentSelection(event);
if (selection == null || !(selection instanceof IStructuredSelection))
return;
for (Object element : ((IStructuredSelection) selection).toList()) {
if (element instanceof IPropertyEditingEntry) {
((IPropertyEditingEntry) element).resetPropertyValue();
}
}
}
}