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Java > Open Source Codes > org > eclipse > jdt > internal > ui > typehierarchy > ToggleViewAction


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 package org.eclipse.jdt.internal.ui.typehierarchy;
12
13 import org.eclipse.core.runtime.Assert;
14
15 import org.eclipse.jface.action.Action;
16
17 import org.eclipse.ui.PlatformUI;
18
19 import org.eclipse.jdt.ui.ITypeHierarchyViewPart;
20
21 import org.eclipse.jdt.internal.ui.IJavaHelpContextIds;
22 import org.eclipse.jdt.internal.ui.JavaPluginImages;
23
24 /**
25  * Action to switch between the different hierarchy views.
26  */
27 public class ToggleViewAction extends Action {
28     
29     private ITypeHierarchyViewPart fViewPart;
30     private int fViewerIndex;
31         
32     public ToggleViewAction(ITypeHierarchyViewPart v, int viewerIndex) {
33         super("", AS_RADIO_BUTTON); //$NON-NLS-1$
34 String JavaDoc contextHelpId= null;
35         if (viewerIndex == ITypeHierarchyViewPart.HIERARCHY_MODE_SUPERTYPES) {
36             setText(TypeHierarchyMessages.ToggleViewAction_supertypes_label);
37             contextHelpId= IJavaHelpContextIds.SHOW_SUPERTYPES;
38             setDescription(TypeHierarchyMessages.ToggleViewAction_supertypes_description);
39             setToolTipText(TypeHierarchyMessages.ToggleViewAction_supertypes_tooltip);
40             JavaPluginImages.setLocalImageDescriptors(this, "super_co.gif"); //$NON-NLS-1$
41 } else if (viewerIndex == ITypeHierarchyViewPart.HIERARCHY_MODE_SUBTYPES) {
42             setText(TypeHierarchyMessages.ToggleViewAction_subtypes_label);
43             contextHelpId= IJavaHelpContextIds.SHOW_SUBTYPES;
44             setDescription(TypeHierarchyMessages.ToggleViewAction_subtypes_description);
45             setToolTipText(TypeHierarchyMessages.ToggleViewAction_subtypes_tooltip);
46             JavaPluginImages.setLocalImageDescriptors(this, "sub_co.gif"); //$NON-NLS-1$
47 } else if (viewerIndex == ITypeHierarchyViewPart.HIERARCHY_MODE_CLASSIC) {
48             setText(TypeHierarchyMessages.ToggleViewAction_vajhierarchy_label);
49             contextHelpId= IJavaHelpContextIds.SHOW_HIERARCHY;
50             setDescription(TypeHierarchyMessages.ToggleViewAction_vajhierarchy_description);
51             setToolTipText(TypeHierarchyMessages.ToggleViewAction_vajhierarchy_tooltip);
52             JavaPluginImages.setLocalImageDescriptors(this, "hierarchy_co.gif"); //$NON-NLS-1$
53 } else {
54             Assert.isTrue(false);
55         }
56         
57         fViewPart= v;
58         fViewerIndex= viewerIndex;
59         
60         PlatformUI.getWorkbench().getHelpSystem().setHelp(this, contextHelpId);
61     }
62                 
63     public int getViewerIndex() {
64         return fViewerIndex;
65     }
66
67     /*
68      * @see Action#actionPerformed
69      */
70     public void run() {
71         fViewPart.setHierarchyMode(fViewerIndex);
72     }
73 }
74
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