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bbb3538a | 1 | /********************************************************************** |
11252342 | 2 | * Copyright (c) 2012, 2013 Ericsson |
cfdb727a | 3 | * |
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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 | |
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8 | * |
9 | * Contributors: | |
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10 | * Bernd Hufmann - Initial API and implementation |
11 | **********************************************************************/ | |
115b4a01 | 12 | package org.eclipse.linuxtools.internal.lttng2.ui.views.control.handlers; |
bbb3538a | 13 | |
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14 | import java.util.Iterator; |
15 | import java.util.List; | |
16 | ||
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17 | import org.eclipse.core.commands.ExecutionException; |
18 | import org.eclipse.core.runtime.IProgressMonitor; | |
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19 | import org.eclipse.jface.viewers.ISelection; |
20 | import org.eclipse.jface.viewers.StructuredSelection; | |
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21 | import org.eclipse.linuxtools.internal.lttng2.core.control.model.IChannelInfo; |
22 | import org.eclipse.linuxtools.internal.lttng2.core.control.model.TraceSessionState; | |
115b4a01 | 23 | import org.eclipse.linuxtools.internal.lttng2.ui.views.control.ControlView; |
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24 | import org.eclipse.linuxtools.internal.lttng2.ui.views.control.model.impl.TraceDomainComponent; |
25 | import org.eclipse.linuxtools.internal.lttng2.ui.views.control.model.impl.TraceSessionComponent; | |
bbb3538a | 26 | import org.eclipse.ui.IWorkbenchPage; |
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27 | |
28 | /** | |
bbb3538a | 29 | * <p> |
d62bfa55 | 30 | * Command handler implementation to enable a trace channel for known domain. |
bbb3538a | 31 | * </p> |
cfdb727a | 32 | * |
dbd4432d | 33 | * @author Bernd Hufmann |
bbb3538a | 34 | */ |
d62bfa55 | 35 | public class EnableChannelOnDomainHandler extends BaseEnableChannelHandler { |
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36 | |
37 | // ------------------------------------------------------------------------ | |
38 | // Attributes | |
39 | // ------------------------------------------------------------------------ | |
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40 | |
41 | // ------------------------------------------------------------------------ | |
42 | // Operations | |
43 | // ------------------------------------------------------------------------ | |
11252342 | 44 | |
bbb3538a | 45 | @Override |
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46 | public void enableChannel(CommandParameter param, List<String> channelNames, IChannelInfo info, boolean isKernel, IProgressMonitor monitor) throws ExecutionException { |
47 | if (param instanceof DomainCommandParameter) { | |
48 | ((DomainCommandParameter)param).getDomain().enableChannels(channelNames, info, monitor); | |
49 | } | |
50 | } | |
cfdb727a | 51 | |
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52 | @Override |
53 | public TraceDomainComponent getDomain(CommandParameter param) { | |
54 | if (param instanceof DomainCommandParameter) { | |
55 | return ((DomainCommandParameter)param).getDomain(); | |
6503ae0f | 56 | } |
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57 | return null; |
58 | } | |
59 | ||
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60 | @Override |
61 | public boolean isEnabled() { | |
cfdb727a | 62 | |
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63 | // Get workbench page for the Control View |
64 | IWorkbenchPage page = getWorkbenchPage(); | |
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65 | if (page == null) { |
66 | return false; | |
67 | } | |
cfdb727a | 68 | |
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69 | TraceDomainComponent domain = null; |
70 | TraceSessionComponent session = null; | |
cfdb727a | 71 | |
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72 | // Check if one domain is selected |
73 | ISelection selection = page.getSelection(ControlView.ID); | |
74 | if (selection instanceof StructuredSelection) { | |
75 | StructuredSelection structered = ((StructuredSelection) selection); | |
76 | for (Iterator<?> iterator = structered.iterator(); iterator.hasNext();) { | |
cfdb727a | 77 | Object element = iterator.next(); |
bbb3538a | 78 | if (element instanceof TraceDomainComponent) { |
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79 | TraceDomainComponent tmpDomain = (TraceDomainComponent) element; |
80 | session = (TraceSessionComponent) tmpDomain.getParent(); | |
cfdb727a | 81 | |
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82 | // Add only TraceDomainComponent whose TraceSessionComponent parent is inactive and not destroyed |
83 | if ((session.getSessionState() == TraceSessionState.INACTIVE) && (!session.isDestroyed())) { | |
c56972bb | 84 | domain = tmpDomain; |
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85 | } |
86 | } | |
87 | } | |
88 | } | |
cfdb727a | 89 | |
c56972bb | 90 | boolean isEnabled = domain != null; |
cfdb727a | 91 | |
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92 | fLock.lock(); |
93 | try { | |
94 | fParam = null; | |
95 | if (isEnabled) { | |
96 | fParam = new DomainCommandParameter(session, domain); | |
97 | } | |
98 | } finally { | |
99 | fLock.unlock(); | |
100 | } | |
cfdb727a | 101 | |
c56972bb | 102 | return isEnabled; |
bbb3538a | 103 | } |
cfdb727a | 104 | |
bbb3538a | 105 | } |