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Java > Open Source Codes > org > eclipse > debug > internal > ui > actions > context > ToggleStepFiltersActionDelegate


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.debug.internal.ui.actions.context;
12
13 import org.eclipse.debug.internal.ui.DebugUIPlugin;
14 import org.eclipse.debug.internal.ui.IInternalDebugUIConstants;
15 import org.eclipse.debug.ui.DebugUITools;
16 import org.eclipse.jface.action.IAction;
17 import org.eclipse.jface.preference.IPreferenceStore;
18 import org.eclipse.jface.util.IPropertyChangeListener;
19 import org.eclipse.jface.util.PropertyChangeEvent;
20 import org.eclipse.ui.IViewActionDelegate;
21 import org.eclipse.ui.IViewPart;
22
23 /**
24  * Turns step filters on/off for a selected target.
25  */
26 public class ToggleStepFiltersActionDelegate extends AbstractDebugContextActionDelegate implements IPropertyChangeListener, IViewActionDelegate {
27
28     public ToggleStepFiltersActionDelegate()
29     {
30         setAction(new ToggleStepFiltersAction());
31     }
32     
33     /* (non-Javadoc)
34      * @see org.eclipse.ui.IActionDelegate2#init(org.eclipse.jface.action.IAction)
35      */
36     public void init(IAction action) {
37         super.init(action);
38         getWindowAction().setChecked(isUseStepFilters());
39         getPreferenceStore().addPropertyChangeListener(this);
40     }
41     
42     private boolean isUseStepFilters() {
43         return DebugUIPlugin.getDefault().getStepFilterManager().isUseStepFilters();
44     }
45     
46     private IPreferenceStore getPreferenceStore() {
47         return DebugUIPlugin.getDefault().getPreferenceStore();
48     }
49
50     /* (non-Javadoc)
51      * @see org.eclipse.jface.util.IPropertyChangeListener#propertyChange(org.eclipse.jface.util.PropertyChangeEvent)
52      */
53     public void propertyChange(PropertyChangeEvent event) {
54         //TODO: revert once API freeze is over
55 if (event.getProperty().equals(IInternalDebugUIConstants.PREF_USE_STEP_FILTERS/*IDebugUIConstants.PREF_USE_STEP_FILTERS*/)) {
56             Object JavaDoc newValue= event.getNewValue();
57             if (newValue instanceof Boolean JavaDoc) {
58                 getWindowAction().setChecked(((Boolean JavaDoc)(newValue)).booleanValue());
59             } else if (newValue instanceof String JavaDoc) {
60                 getWindowAction().setChecked(Boolean.valueOf((String JavaDoc)newValue).booleanValue());
61             }
62         }
63     }
64     
65     /* (non-Javadoc)
66      * @see org.eclipse.ui.IWorkbenchWindowActionDelegate#dispose()
67      */
68     public void dispose() {
69         getPreferenceStore().removePropertyChangeListener(this);
70     }
71     
72     /* (non-Javadoc)
73      * @see org.eclipse.ui.IActionDelegate#run(org.eclipse.jface.action.IAction)
74      */
75     public void run(IAction action) {
76         DebugUITools.setUseStepFilters(action.isChecked());
77     }
78
79
80     public void init(IViewPart view) {
81         init(view.getSite().getWorkbenchWindow());
82     }
83 }
84
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