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Java > Open Source Codes > org > eclipse > ui > internal > actions > ClearWorkingSetAction


1 /*******************************************************************************
2  * Copyright (c) 2000, 2006 IBM Corporation 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  * IBM Corporation - initial API and implementation
10  *******************************************************************************/
11
12 package org.eclipse.ui.internal.actions;
13
14 import org.eclipse.core.runtime.Assert;
15 import org.eclipse.jface.action.Action;
16 import org.eclipse.ui.PlatformUI;
17 import org.eclipse.ui.actions.WorkingSetFilterActionGroup;
18 import org.eclipse.ui.internal.IWorkbenchHelpContextIds;
19 import org.eclipse.ui.internal.WorkbenchMessages;
20
21 /**
22  * Clears the selected working set in the working set action group.
23  *
24  * @since 2.1
25  */
26 public class ClearWorkingSetAction extends Action {
27     private WorkingSetFilterActionGroup actionGroup;
28
29     /**
30      * Creates a new instance of the receiver.
31      *
32      * @param actionGroup the action group this action is created in
33      */
34     public ClearWorkingSetAction(WorkingSetFilterActionGroup actionGroup) {
35         super(WorkbenchMessages.ClearWorkingSetAction_text);
36         Assert.isNotNull(actionGroup);
37         setToolTipText(WorkbenchMessages.ClearWorkingSetAction_toolTip);
38         setEnabled(actionGroup.getWorkingSet() != null);
39         PlatformUI.getWorkbench().getHelpSystem().setHelp(this,
40                 IWorkbenchHelpContextIds.CLEAR_WORKING_SET_ACTION);
41         this.actionGroup = actionGroup;
42     }
43
44     /**
45      * Overrides method from Action
46      *
47      * @see Action#run
48      */
49     public void run() {
50         actionGroup.setWorkingSet(null);
51     }
52 }
53
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