/*******************************************************************************
* Copyright (c) 2012 Original authors and others.
* All rights reserved. This program and the accompanying materials
* are made available under the terms of the Eclipse Public License v1.0
* which accompanies this distribution, and is available at
* http://www.eclipse.org/legal/epl-v10.html
*
* Contributors:
* Original authors and others - initial API and implementation
******************************************************************************/
package org.eclipse.nebula.widgets.nattable.tree.command;
import org.eclipse.nebula.widgets.nattable.command.AbstractLayerCommandHandler;
import org.eclipse.nebula.widgets.nattable.tree.TreeLayer;
public class TreeExpandCollapseCommandHandler extends
AbstractLayerCommandHandler<TreeExpandCollapseCommand> {
private final TreeLayer treeLayer;
public TreeExpandCollapseCommandHandler(TreeLayer treeLayer) {
this.treeLayer = treeLayer;
}
@Override
public Class<TreeExpandCollapseCommand> getCommandClass() {
return TreeExpandCollapseCommand.class;
}
@Override
protected boolean doCommand(TreeExpandCollapseCommand command) {
int parentIndex = command.getParentIndex();
this.treeLayer.expandOrCollapseIndex(parentIndex);
return true;
}
}