bundles/org.simantics.browsing.ui.nattable/src/org/simantics/browsing/ui/nattable/override/TreeExpandCollapseCommandHandler.java

   1 /*******************************************************************************
   2  * Copyright (c) 2012 Original authors and others.
   3  * All rights reserved. This program and the accompanying materials
   4  * are made available under the terms of the Eclipse Public License v1.0
   5  * which accompanies this distribution, and is available at
   6  * http://www.eclipse.org/legal/epl-v10.html
   7  *
   8  * Contributors:
   9  *     Original authors and others - initial API and implementation
  10  ******************************************************************************/
  11 package org.simantics.browsing.ui.nattable.override;
  12
  13 import org.eclipse.nebula.widgets.nattable.command.AbstractLayerCommandHandler;
  14 import org.eclipse.nebula.widgets.nattable.tree.command.TreeExpandCollapseCommand;
  15
  16 public class TreeExpandCollapseCommandHandler extends
  17         AbstractLayerCommandHandler<TreeExpandCollapseCommand> {
  18
  19     private final TreeLayer2 treeLayer;
  20
  21     public TreeExpandCollapseCommandHandler(TreeLayer2 treeLayer) {
  22         this.treeLayer = treeLayer;
  23     }
  24
  25     @Override
  26     public Class<TreeExpandCollapseCommand> getCommandClass() {
  27         return TreeExpandCollapseCommand.class;
  28     }
  29
  30     @Override
  31     protected boolean doCommand(TreeExpandCollapseCommand command) {
  32         int parentIndex = command.getParentIndex();
  33         this.treeLayer.expandOrCollapseIndex(parentIndex);
  34         return true;
  35     }
  36
  37 }