| /******************************************************************************* |
| * Copyright (c) 2008, 2011 Eric Rizzo, IBM Corporation 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: |
| * Eric Rizzo - initial API and implementation (see Bug 210255) |
| *******************************************************************************/ |
| package org.eclipse.jdt.internal.ui.actions; |
| |
| import org.eclipse.core.runtime.Assert; |
| |
| import org.eclipse.jface.action.Action; |
| import org.eclipse.jface.viewers.TreeViewer; |
| |
| import org.eclipse.ui.PlatformUI; |
| |
| import org.eclipse.jdt.internal.ui.IJavaHelpContextIds; |
| import org.eclipse.jdt.internal.ui.JavaPluginImages; |
| |
| |
| /** |
| * An {@link Action} that will collapse all nodes in a given {@link TreeViewer}. |
| * |
| * @since 3.4 |
| */ |
| public class CollapseAllAction extends Action { |
| |
| private final TreeViewer fViewer; |
| |
| public CollapseAllAction(TreeViewer viewer) { |
| super(ActionMessages.CollapsAllAction_label, JavaPluginImages.DESC_ELCL_COLLAPSEALL); |
| setToolTipText(ActionMessages.CollapsAllAction_tooltip); |
| setDescription(ActionMessages.CollapsAllAction_description); |
| PlatformUI.getWorkbench().getHelpSystem().setHelp(this, IJavaHelpContextIds.COLLAPSE_ALL_ACTION); |
| Assert.isNotNull(viewer); |
| fViewer= viewer; |
| } |
| |
| @Override |
| public void run() { |
| try { |
| fViewer.getControl().setRedraw(false); |
| fViewer.collapseAll(); |
| } finally { |
| fViewer.getControl().setRedraw(true); |
| } |
| } |
| |
| } |