Merge branch 'master' into lttng_2_0_control_dev
[deliverable/tracecompass.git] / org.eclipse.linuxtools.lttng.ui / src / org / eclipse / linuxtools / lttng / ui / views / control / handlers / EnableEventOnChannelHandler.java
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1/**********************************************************************
2 * Copyright (c) 2012 Ericsson
3 *
4 * All rights reserved. This program and the accompanying materials are
5 * made available under the terms of the Eclipse Public License v1.0 which
6 * accompanies this distribution, and is available at
7 * http://www.eclipse.org/legal/epl-v10.html
8 *
9 * Contributors:
10 * Bernd Hufmann - Initial API and implementation
11 **********************************************************************/
12package org.eclipse.linuxtools.lttng.ui.views.control.handlers;
13
14import java.util.Iterator;
15import java.util.List;
16
17import org.eclipse.core.commands.ExecutionException;
18import org.eclipse.core.runtime.IProgressMonitor;
19import org.eclipse.jface.viewers.ISelection;
20import org.eclipse.jface.viewers.StructuredSelection;
21import org.eclipse.linuxtools.lttng.ui.views.control.ControlView;
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22import org.eclipse.linuxtools.lttng.ui.views.control.model.LogLevelType;
23import org.eclipse.linuxtools.lttng.ui.views.control.model.TraceLogLevel;
24import org.eclipse.linuxtools.lttng.ui.views.control.model.TraceSessionState;
498704b3 25import org.eclipse.linuxtools.lttng.ui.views.control.model.impl.TraceChannelComponent;
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26import org.eclipse.linuxtools.lttng.ui.views.control.model.impl.TraceDomainComponent;
27import org.eclipse.linuxtools.lttng.ui.views.control.model.impl.TraceSessionComponent;
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28import org.eclipse.ui.IWorkbenchPage;
29
30/**
31 * <b><u>EnableEventOnChannelHandler</u></b>
32 * <p>
33 * Command handler implementation to enable events for a known channel.
34 * </p>
35 */
36public class EnableEventOnChannelHandler extends BaseEnableEventHandler {
37
38 // ------------------------------------------------------------------------
39 // Attributes
40 // ------------------------------------------------------------------------
41 /**
42 * The channel component the command is to be executed on.
43 */
44 private TraceChannelComponent fChannel = null;
45
46 // ------------------------------------------------------------------------
47 // Operations
48 // ------------------------------------------------------------------------
49 /*
50 * (non-Javadoc)
ccc66d01 51 * @see org.eclipse.linuxtools.lttng.ui.views.control.handlers.BaseEnableEventHandler#enableEvents(java.util.List, boolean, org.eclipse.core.runtime.IProgressMonitor)
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52 */
53 @Override
ccc66d01 54 public void enableEvents(List<String> eventNames, boolean isKernel, IProgressMonitor monitor) throws ExecutionException {
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55 fChannel.enableEvents(eventNames, monitor);
56 }
57
58 /*
59 * (non-Javadoc)
60 * @see org.eclipse.linuxtools.lttng.ui.views.control.handlers.BaseEnableEventHandler#enableSyscalls(org.eclipse.core.runtime.IProgressMonitor)
61 */
62 @Override
ccc66d01 63 public void enableSyscalls(IProgressMonitor monitor) throws ExecutionException {
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64 fChannel.enableSyscalls(monitor);
65 }
66
67 /*
68 * (non-Javadoc)
69 * @see org.eclipse.linuxtools.lttng.ui.views.control.handlers.BaseEnableEventHandler#enableProbe(java.lang.String, java.lang.String, org.eclipse.core.runtime.IProgressMonitor)
70 */
71 @Override
ccc66d01 72 public void enableProbe(String eventName, String probe, IProgressMonitor monitor) throws ExecutionException {
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73 fChannel.enableProbe(eventName, probe, monitor);
74 }
75
76 /*
77 * (non-Javadoc)
78 * @see org.eclipse.linuxtools.lttng.ui.views.control.handlers.BaseEnableEventHandler#enableFunctionProbe(java.lang.String, java.lang.String, org.eclipse.core.runtime.IProgressMonitor)
79 */
80 @Override
ccc66d01 81 public void enableFunctionProbe(String eventName, String probe, IProgressMonitor monitor) throws ExecutionException {
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82 fChannel.enableFunctionProbe(eventName, probe, monitor);
83 }
84
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85 /*
86 * (non-Javadoc)
87 * @see org.eclipse.linuxtools.lttng.ui.views.control.handlers.BaseEnableEventHandler#enableLogLevel(java.lang.String, org.eclipse.linuxtools.lttng.ui.views.control.model.LogLevelType, org.eclipse.linuxtools.lttng.ui.views.control.model.TraceLogLevel, org.eclipse.core.runtime.IProgressMonitor)
88 */
89 @Override
90 public void enableLogLevel(String eventName, LogLevelType logLevelType, TraceLogLevel level, IProgressMonitor monitor) throws ExecutionException {
91 fChannel.enableLogLevel(eventName, logLevelType, level, monitor);
92 }
93
94 /*
95 * (non-Javadoc)
96 * @see org.eclipse.linuxtools.lttng.ui.views.control.handlers.BaseEnableEventHandler#getDomain()
97 */
98 @Override
99 public TraceDomainComponent getDomain() {
100 return (TraceDomainComponent) fChannel.getParent();
101 }
102
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103 /*
104 * (non-Javadoc)
105 * @see org.eclipse.core.commands.AbstractHandler#isEnabled()
106 */
107 @Override
108 public boolean isEnabled() {
109 // Get workbench page for the Control View
110 IWorkbenchPage page = getWorkbenchPage();
111 if (page == null) {
112 return false;
113 }
114
115 fChannel = null;
116 ISelection selection = page.getSelection(ControlView.ID);
117 if (selection instanceof StructuredSelection) {
118 StructuredSelection structered = ((StructuredSelection) selection);
119 for (Iterator<?> iterator = structered.iterator(); iterator.hasNext();) {
120 Object element = (Object) iterator.next();
121 if (element instanceof TraceChannelComponent) {
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122 // Add only if corresponding TraceSessionComponents is inactive and not destroyed
123 TraceChannelComponent channel = (TraceChannelComponent) element;
124 TraceSessionComponent session = channel.getSession();
125 if(session.getSessionState() == TraceSessionState.INACTIVE && !session.isDestroyed()) {
126 fChannel = channel;
127 fSession = session;
128 }
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129 }
130 }
131 }
132 return fChannel != null;
133 }
134
135}
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