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


1 /*******************************************************************************
2  * Copyright (c) 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.core.runtime.IAdaptable;
14 import org.eclipse.core.runtime.IProgressMonitor;
15 import org.eclipse.core.runtime.IStatus;
16 import org.eclipse.core.runtime.Status;
17 import org.eclipse.core.runtime.jobs.Job;
18 import org.eclipse.debug.core.ILaunch;
19 import org.eclipse.debug.core.model.IDebugElement;
20 import org.eclipse.debug.core.model.IDebugTarget;
21 import org.eclipse.debug.core.model.IProcess;
22 import org.eclipse.debug.core.model.IStepFilters;
23 import org.eclipse.debug.internal.ui.actions.provisional.IAsynchronousStepFiltersAdapter;
24 import org.eclipse.debug.internal.ui.actions.provisional.IBooleanRequestMonitor;
25 import org.eclipse.debug.internal.ui.viewers.provisional.IAsynchronousRequestMonitor;
26
27 /**
28  * Default step filters adapter for standard debug model.
29  *
30  * @since 3.2
31  */
32 public class StepFiltersAdapter extends StandardActionAdapter implements IAsynchronousStepFiltersAdapter {
33
34     /* (non-Javadoc)
35      * @see org.eclipse.debug.internal.ui.actions.provisional.IAsynchronousStepFiltersAdapter#supportsStepFilters(java.lang.Object, org.eclipse.debug.internal.ui.actions.provisional.IBooleanRequestMonitor)
36      */
37     public void supportsStepFilters(final Object JavaDoc element, final IBooleanRequestMonitor requestMonitor) {
38         Job job = new Job("supportsStepFilters") { //$NON-NLS-1$
39 protected IStatus run(IProgressMonitor monitor) {
40                 boolean supported = false;
41                 IDebugTarget[] debugTargets = getDebugTargets(element);
42                 for (int i=0; i<debugTargets.length; i++)
43                 {
44                     IStepFilters filters = getTarget(debugTargets[i]);
45                     
46                     if (filters != null)
47                     {
48                         if (filters.supportsStepFilters())
49                             supported = true;
50                     }
51                     
52                     // only one needs to support it
53 if (supported)
54                         break;
55                         
56                 }
57                 
58                 requestMonitor.setResult(supported);
59                 requestMonitor.done();
60                 return Status.OK_STATUS;
61             }
62         };
63         job.setSystem(true);
64         job.setRule(createUpdateSchedulingRule());
65         job.schedule();
66     }
67
68     /* (non-Javadoc)
69      * @see org.eclipse.debug.internal.ui.actions.provisional.IAsynchronousStepFiltersAdapter#isStepFiltersEnabled(java.lang.Object, org.eclipse.debug.internal.ui.actions.provisional.IBooleanRequestMonitor)
70      */
71     public void isStepFiltersEnabled(final Object JavaDoc element, final IBooleanRequestMonitor requestMonitor) {
72         Job job = new Job("isStepFiltersEnabled") { //$NON-NLS-1$
73 protected IStatus run(IProgressMonitor monitor) {
74                 IDebugTarget[] debugTargets = getDebugTargets(element);
75                 
76                 for (int i=0; i<debugTargets.length; i++)
77                 {
78                     IStepFilters filters = getTarget(element);
79                     
80                     if (filters != null)
81                         requestMonitor.setResult(filters.isStepFiltersEnabled());
82                     else
83                     {
84                         requestMonitor.setResult(false);
85                     }
86                 }
87                 requestMonitor.done();
88                 return Status.OK_STATUS;
89             }
90         };
91         job.setSystem(true);
92         job.setRule(createUpdateSchedulingRule());
93         job.schedule();
94     }
95
96     /* (non-Javadoc)
97      * @see org.eclipse.debug.internal.ui.actions.provisional.IAsynchronousStepFiltersAdapter#setStepFiltersEnabled(java.lang.Object, boolean, org.eclipse.debug.internal.ui.viewers.provisional.IAsynchronousRequestMonitor)
98      */
99     public void setStepFiltersEnabled(final Object JavaDoc element, final boolean enabled, final IAsynchronousRequestMonitor requestMonitor) {
100         Job job = new Job("setStepFiltersEnabled") { //$NON-NLS-1$
101 protected IStatus run(IProgressMonitor monitor) {
102                 
103                 IDebugTarget[] debugTargets = getDebugTargets(element);
104                 for (int i=0; i<debugTargets.length; i++)
105                 {
106                     IStepFilters filters = getTarget(debugTargets[i]);
107                     
108                     if (filters != null && filters.isStepFiltersEnabled() != enabled)
109                         filters.setStepFiltersEnabled(enabled);
110     
111                 }
112                 requestMonitor.done();
113                 return Status.OK_STATUS;
114             }
115         };
116         job.setSystem(true);
117         job.schedule();
118     }
119     
120     private IStepFilters getTarget(Object JavaDoc element)
121     {
122          if (element instanceof IStepFilters) {
123             return (IStepFilters) element;
124         } else if (element instanceof IAdaptable) {
125             return (IStepFilters) ((IAdaptable)element).getAdapter(IStepFilters.class);
126         }
127         return null;
128     }
129     
130     private IDebugTarget[] getDebugTargets(Object JavaDoc element) {
131         if (element instanceof IDebugElement) {
132             IDebugElement debugElement = (IDebugElement) element;
133             return new IDebugTarget[] {debugElement.getDebugTarget()};
134         } else if (element instanceof ILaunch) {
135             ILaunch launch = (ILaunch) element;
136             return launch.getDebugTargets();
137         } else if (element instanceof IProcess) {
138             IProcess process = (IProcess) element;
139             return process.getLaunch().getDebugTargets();
140         } else {
141             return new IDebugTarget[0];
142         }
143     }
144
145 }
146
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