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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.lttng.ui.views.control.handlers; | |
13 | ||
14 | import org.eclipse.core.commands.AbstractHandler; | |
15 | import org.eclipse.core.commands.ExecutionEvent; | |
16 | import org.eclipse.core.commands.ExecutionException; | |
17 | import org.eclipse.core.runtime.IProgressMonitor; | |
18 | import org.eclipse.core.runtime.IStatus; | |
19 | import org.eclipse.core.runtime.Status; | |
20 | import org.eclipse.core.runtime.jobs.Job; | |
21 | import org.eclipse.jface.viewers.ISelection; | |
22 | import org.eclipse.jface.viewers.StructuredSelection; | |
23 | import org.eclipse.jface.window.Window; | |
24 | import org.eclipse.linuxtools.lttng.ui.LTTngUiPlugin; | |
25 | import org.eclipse.linuxtools.lttng.ui.views.control.ControlView; | |
26 | import org.eclipse.linuxtools.lttng.ui.views.control.Messages; | |
27 | import org.eclipse.linuxtools.lttng.ui.views.control.dialogs.CreateSessionDialog; | |
28 | import org.eclipse.linuxtools.lttng.ui.views.control.dialogs.ICreateSessionDialog; | |
29 | import org.eclipse.linuxtools.lttng.ui.views.control.model.impl.TraceSessionGroup; | |
30 | import org.eclipse.ui.IWorkbenchPage; | |
31 | import org.eclipse.ui.IWorkbenchPart; | |
32 | import org.eclipse.ui.IWorkbenchWindow; | |
33 | import org.eclipse.ui.PlatformUI; | |
34 | ||
35 | /** | |
36 | * <b><u>CreateSessionHandler</u></b> | |
37 | * <p> | |
38 | * Command handler implementation to create a trace session. | |
39 | * </p> | |
40 | */ | |
41 | public class CreateSessionHandler extends AbstractHandler { | |
42 | ||
43 | // ------------------------------------------------------------------------ | |
44 | // Attributes | |
45 | // ------------------------------------------------------------------------ | |
46 | /** | |
47 | * The trace session group the command is to be executed on. | |
48 | */ | |
49 | private TraceSessionGroup fSessionGroup = null; | |
50 | ||
51 | // ------------------------------------------------------------------------ | |
52 | // Operations | |
53 | // ------------------------------------------------------------------------ | |
54 | /* | |
55 | * (non-Javadoc) | |
56 | * @see org.eclipse.core.commands.AbstractHandler#execute(org.eclipse.core.commands.ExecutionEvent) | |
57 | */ | |
58 | @Override | |
59 | public Object execute(ExecutionEvent event) throws ExecutionException { | |
60 | IWorkbenchWindow window = PlatformUI.getWorkbench().getActiveWorkbenchWindow(); | |
61 | if (window == null) { | |
62 | return false; | |
63 | } | |
64 | ||
65 | // Open dialog box for the node name and address | |
66 | ICreateSessionDialog dialog = new CreateSessionDialog(window.getShell(), fSessionGroup); | |
67 | ||
68 | if (dialog.open() == Window.OK) { | |
69 | final String sessionName = dialog.getSessionName(); | |
70 | final String sessionPath = dialog.isDefaultSessionPath() ? null : dialog.getSessionPath(); | |
71 | ||
72 | Job job = new Job(Messages.TraceControl_CreateSessionJob) { | |
73 | @Override | |
74 | protected IStatus run(IProgressMonitor monitor) { | |
75 | try { | |
76 | fSessionGroup.createSession(sessionName, sessionPath, monitor); | |
77 | } catch (ExecutionException e) { | |
78 | return new Status(Status.ERROR, LTTngUiPlugin.PLUGIN_ID, e.toString()); | |
79 | } | |
80 | return Status.OK_STATUS; | |
81 | } | |
82 | }; | |
83 | job.setUser(true); | |
84 | job.schedule(); | |
85 | } | |
86 | ||
87 | return null; | |
88 | } | |
89 | ||
90 | /* | |
91 | * (non-Javadoc) | |
92 | * @see org.eclipse.core.commands.AbstractHandler#isEnabled() | |
93 | */ | |
94 | @Override | |
95 | public boolean isEnabled() { | |
96 | fSessionGroup = null; | |
97 | ||
98 | // Check if we are closing down | |
99 | IWorkbenchWindow window = PlatformUI.getWorkbench().getActiveWorkbenchWindow(); | |
100 | if (window == null) { | |
101 | return false; | |
102 | } | |
103 | ||
104 | // Check if we are in the Project View | |
105 | IWorkbenchPage page = window.getActivePage(); | |
106 | if (page == null) { | |
107 | return false; | |
108 | } | |
109 | ||
110 | IWorkbenchPart part = page.getActivePart(); | |
111 | if (!(part instanceof ControlView)) { | |
112 | return false; | |
113 | } | |
114 | ||
115 | // Check if the session group project is selected | |
116 | ISelection selection = page.getSelection(ControlView.ID); | |
117 | if (selection instanceof StructuredSelection) { | |
118 | Object element = ((StructuredSelection) selection).getFirstElement(); | |
119 | fSessionGroup = (element instanceof TraceSessionGroup) ? (TraceSessionGroup) element : null; | |
120 | } | |
121 | return fSessionGroup != null; | |
122 | } | |
123 | } |