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Java > Open Source Codes > org > eclipse > jdt > internal > debug > ui > actions > RemoveAction


1 /*******************************************************************************
2  * Copyright (c) 2000, 2005 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 package org.eclipse.jdt.internal.debug.ui.actions;
12
13
14 import java.util.List JavaDoc;
15
16 import org.eclipse.jdt.internal.debug.ui.launcher.IClasspathViewer;
17 import org.eclipse.jface.viewers.IStructuredSelection;
18
19 /**
20  * Removes selected enries in a runtime classpath viewer.
21  */
22 public class RemoveAction extends RuntimeClasspathAction {
23
24     public RemoveAction(IClasspathViewer viewer) {
25         super(ActionMessages.RemoveAction__Remove_1, viewer);
26     }
27     /**
28      * Removes all selected entries.
29      *
30      * @see IAction#run()
31      */
32     public void run() {
33         List JavaDoc targets = getOrderedSelection();
34         List JavaDoc list = getEntriesAsList();
35         list.removeAll(targets);
36         setEntries(list);
37     }
38
39     /**
40      * @see SelectionListenerAction#updateSelection(IStructuredSelection)
41      */
42     protected boolean updateSelection(IStructuredSelection selection) {
43         if (selection.isEmpty()) {
44             return false;
45         }
46         return getViewer().updateSelection(getActionType(), selection);
47     }
48     
49     protected int getActionType() {
50         return REMOVE;
51     }
52 }
53
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