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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 | **********************************************************************/ | |
12 | package org.eclipse.linuxtools.internal.lttng2.ui.views.control.handlers; | |
13 | ||
14 | import java.util.Iterator; | |
15 | import java.util.List; | |
16 | ||
17 | import org.eclipse.core.commands.ExecutionException; | |
18 | import org.eclipse.core.runtime.IProgressMonitor; | |
19 | import org.eclipse.jface.viewers.ISelection; | |
20 | import org.eclipse.jface.viewers.StructuredSelection; | |
21 | import org.eclipse.linuxtools.internal.lttng2.ui.views.control.ControlView; | |
22 | import org.eclipse.linuxtools.internal.lttng2.ui.views.control.model.TraceSessionState; | |
23 | import org.eclipse.linuxtools.internal.lttng2.ui.views.control.model.impl.TraceDomainComponent; | |
24 | import org.eclipse.linuxtools.internal.lttng2.ui.views.control.model.impl.TraceSessionComponent; | |
25 | import org.eclipse.ui.IWorkbenchPage; | |
26 | ||
27 | /** | |
28 | * <b><u>AddContextOnDomainHandler</u></b> | |
29 | * <p> | |
30 | * Command handler implementation to add contexts to all channels and all events. | |
31 | * </p> | |
32 | */ | |
33 | public class AddContextOnDomainHandler extends BaseAddContextHandler { | |
34 | ||
35 | // ------------------------------------------------------------------------ | |
36 | // Attributes | |
37 | // ------------------------------------------------------------------------ | |
38 | ||
39 | // ------------------------------------------------------------------------ | |
40 | // Operations | |
41 | // ------------------------------------------------------------------------ | |
42 | /* | |
43 | * (non-Javadoc) | |
44 | * @see org.eclipse.linuxtools.internal.lttng2.ui.views.control.handlers.BaseAddContextHandler#addContexts(org.eclipse.linuxtools.internal.lttng2.ui.views.control.handlers.CommandParameter, java.util.List, org.eclipse.core.runtime.IProgressMonitor) | |
45 | */ | |
46 | @Override | |
47 | public void addContexts(CommandParameter param, List<String> contextNames, IProgressMonitor monitor) throws ExecutionException { | |
48 | if (param instanceof DomainCommandParameter) { | |
49 | TraceDomainComponent domain = ((DomainCommandParameter)param).getDomain(); | |
50 | domain.addContexts(contextNames, monitor); | |
51 | } | |
52 | } | |
53 | ||
54 | /* | |
55 | * (non-Javadoc) | |
56 | * @see org.eclipse.core.commands.AbstractHandler#isEnabled() | |
57 | */ | |
58 | @Override | |
59 | public boolean isEnabled() { | |
60 | ||
61 | // Get workbench page for the Control View | |
62 | IWorkbenchPage page = getWorkbenchPage(); | |
63 | if (page == null) { | |
64 | return false; | |
65 | } | |
66 | ||
67 | TraceDomainComponent domain = null; | |
68 | TraceSessionComponent session = null; | |
69 | ||
70 | // Check if one domain is selected | |
71 | ISelection selection = page.getSelection(ControlView.ID); | |
72 | if (selection instanceof StructuredSelection) { | |
73 | StructuredSelection structered = ((StructuredSelection) selection); | |
74 | for (Iterator<?> iterator = structered.iterator(); iterator.hasNext();) { | |
75 | Object element = (Object) iterator.next(); | |
76 | if (element instanceof TraceDomainComponent) { | |
77 | TraceDomainComponent tmpDomain = (TraceDomainComponent) element; | |
78 | session = (TraceSessionComponent) tmpDomain.getParent(); | |
79 | ||
80 | // Add only TraceDomainComponent whose TraceSessionComponent parent is inactive and not destroyed | |
81 | if ((session.getSessionState() == TraceSessionState.INACTIVE) && (!session.isDestroyed())) { | |
82 | domain = tmpDomain; | |
83 | } | |
84 | } | |
85 | } | |
86 | } | |
87 | ||
88 | boolean isEnabled = domain != null; | |
89 | ||
90 | fLock.lock(); | |
91 | try { | |
92 | fParam = null; | |
93 | if (isEnabled) { | |
94 | fParam = new DomainCommandParameter(session, domain); | |
95 | } | |
96 | } finally { | |
97 | fLock.unlock(); | |
98 | } | |
99 | ||
100 | return isEnabled; | |
101 | } | |
102 | ||
103 | ||
104 | } |