/*
* Copyright (c) 2013, the Dart project authors.
*
* Licensed under the Eclipse Public License v1.0 (the "License"); you may not use this file except
* in compliance with the License. You may obtain a copy of the License at
*
* http://www.eclipse.org/legal/epl-v10.html
*
* Unless required by applicable law or agreed to in writing, software distributed under the License
* is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express
* or implied. See the License for the specific language governing permissions and limitations under
* the License.
*/
package com.google.dart.tools.ui.web.utils;
import com.google.dart.tools.ui.actions.InstrumentedAction;
import com.google.dart.tools.ui.instrumentation.UIInstrumentationBuilder;
import com.google.dart.tools.ui.web.DartWebPlugin;
import org.eclipse.jface.viewers.TreeViewer;
import org.eclipse.swt.widgets.Event;
/**
* An action to collapse all the levels in a tree viewer.
*/
public class CollapseAllAction extends InstrumentedAction {
private TreeViewer viewer;
public CollapseAllAction(TreeViewer treeViewer) {
super("Collapse All");
this.viewer = treeViewer;
setImageDescriptor(DartWebPlugin.getImageDescriptor("collapse_all.gif"));
}
@Override
protected void doRun(Event event, UIInstrumentationBuilder instrumentation) {
try {
viewer.getControl().setRedraw(false);
viewer.collapseAll();
} finally {
viewer.getControl().setRedraw(true);
}
}
}