--- /dev/null
+/*******************************************************************************
+ * 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.simantics.browsing.ui.nattable.override;
+
+import org.eclipse.nebula.widgets.nattable.command.AbstractLayerCommandHandler;
+import org.eclipse.nebula.widgets.nattable.tree.command.TreeExpandCollapseCommand;
+
+public class TreeExpandCollapseCommandHandler extends
+ AbstractLayerCommandHandler<TreeExpandCollapseCommand> {
+
+ private final TreeLayer2 treeLayer;
+
+ public TreeExpandCollapseCommandHandler(TreeLayer2 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;
+ }
+
+}