Case Study: adding data and statistics

[ifi-stolz-refaktor.git] / case-study / jdt-after / ui / org / eclipse / jdt / internal / ui / actions / CollapseAllAction.java

diff --git a/case-study/jdt-after/ui/org/eclipse/jdt/internal/ui/actions/CollapseAllAction.java b/case-study/jdt-after/ui/org/eclipse/jdt/internal/ui/actions/CollapseAllAction.java
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+/*******************************************************************************
+ * 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.action.IToolBarManager;
+import org.eclipse.jface.viewers.TreeViewer;
+
+import org.eclipse.ui.PlatformUI;
+import org.eclipse.ui.handlers.CollapseAllHandler;
+
+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);
+               }
+       }
+
+       public void generated_5124076063354150863(IToolBarManager toolBarManager) {
+               setActionDefinitionId(CollapseAllHandler.COMMAND_ID);
+               toolBarManager.add(this);
+       }
+
+}