← Back to branch summary

~ubuntu-branches/ubuntu/trusty/eclipse-linuxtools/trusty

« back to all changes in this revision

Viewing changes to lttng/org.eclipse.linuxtools.lttng2.ui/src/org/eclipse/linuxtools/internal/lttng2/ui/views/control/handlers/CreateSessionHandler.java

  • Committer: Package Import Robot
  • Author(s): Jakub Adam
  • Date: 2012-06-29 12:07:30 UTC
  • Revision ID: package-import@ubuntu.com-20120629120730-bfri1xys1i71dpn6
Tags: upstream-1.0.0
Import upstream version 1.0.0

Show diffs side-by-side

added added

removed removed

Lines of Context:
lttng/org.eclipse.linuxtools.lttng2.ui/src/org/eclipse/linuxtools/internal/lttng2/ui/views/control/handlers/CreateSessionHandler.java
 
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 org.eclipse.core.commands.ExecutionEvent;
 
15
import org.eclipse.core.commands.ExecutionException;
 
16
import org.eclipse.core.runtime.IProgressMonitor;
 
17
import org.eclipse.core.runtime.IStatus;
 
18
import org.eclipse.core.runtime.Status;
 
19
import org.eclipse.core.runtime.jobs.Job;
 
20
import org.eclipse.jface.viewers.ISelection;
 
21
import org.eclipse.jface.viewers.StructuredSelection;
 
22
import org.eclipse.jface.window.Window;
 
23
import org.eclipse.linuxtools.internal.lttng2.ui.Activator;
 
24
import org.eclipse.linuxtools.internal.lttng2.ui.views.control.ControlView;
 
25
import org.eclipse.linuxtools.internal.lttng2.ui.views.control.dialogs.ICreateSessionDialog;
 
26
import org.eclipse.linuxtools.internal.lttng2.ui.views.control.dialogs.TraceControlDialogFactory;
 
27
import org.eclipse.linuxtools.internal.lttng2.ui.views.control.messages.Messages;
 
28
import org.eclipse.linuxtools.internal.lttng2.ui.views.control.model.impl.TraceSessionGroup;
 
29
import org.eclipse.ui.IWorkbenchPage;
 
30
 
 
31
/**
 
32
 * <p>
 
33
 * Command handler implementation to create a trace session.
 
34
 * </p>
 
35
 * 
 
36
 * @author Bernd Hufmann
 
37
 */
 
38
public class CreateSessionHandler extends BaseControlViewHandler {
 
39
 
 
40
    // ------------------------------------------------------------------------
 
41
    // Attributes
 
42
    // ------------------------------------------------------------------------
 
43
    /**
 
44
     * The trace session group the command is to be executed on. 
 
45
     */
 
46
    private TraceSessionGroup fSessionGroup = null;
 
47
    
 
48
    // ------------------------------------------------------------------------
 
49
    // Operations
 
50
    // ------------------------------------------------------------------------
 
51
    /*
 
52
     * (non-Javadoc)
 
53
     * @see org.eclipse.core.commands.AbstractHandler#execute(org.eclipse.core.commands.ExecutionEvent)
 
54
     */
 
55
    @Override
 
56
    public Object execute(ExecutionEvent event) throws ExecutionException {
 
57
 
 
58
        fLock.lock();
 
59
        try {
 
60
            final TraceSessionGroup sessionGroup = fSessionGroup; 
 
61
                    
 
62
            // Open dialog box for the node name and address
 
63
            ICreateSessionDialog dialog = TraceControlDialogFactory.getInstance().getCreateSessionDialog();
 
64
            dialog.setTraceSessionGroup(sessionGroup);
 
65
 
 
66
            if (dialog.open() != Window.OK) {
 
67
                return null;
 
68
            }
 
69
 
 
70
            final String sessionName = dialog.getSessionName();
 
71
            final String sessionPath = dialog.isDefaultSessionPath() ? null : dialog.getSessionPath();
 
72
 
 
73
            Job job = new Job(Messages.TraceControl_CreateSessionJob) {
 
74
                @Override
 
75
                protected IStatus run(IProgressMonitor monitor) {
 
76
                    try {
 
77
                        sessionGroup.createSession(sessionName, sessionPath, monitor);
 
78
                    } catch (ExecutionException e) {
 
79
                        return new Status(Status.ERROR, Activator.PLUGIN_ID, Messages.TraceControl_CreateSessionFailure, e);
 
80
                    } 
 
81
                    return Status.OK_STATUS;
 
82
                }
 
83
            };
 
84
            job.setUser(true);
 
85
            job.schedule();
 
86
        } finally {
 
87
            fLock.unlock();
 
88
        }
 
89
        return null;
 
90
    }
 
91
 
 
92
    /*
 
93
     * (non-Javadoc)
 
94
     * @see org.eclipse.core.commands.AbstractHandler#isEnabled()
 
95
     */
 
96
    @Override
 
97
    public boolean isEnabled() {
 
98
        
 
99
        // Get workbench page for the Control View
 
100
        IWorkbenchPage page = getWorkbenchPage();
 
101
        if (page == null) {
 
102
            return false;
 
103
        }
 
104
 
 
105
        TraceSessionGroup sessionGroup = null;
 
106
 
 
107
        // Check if the session group project is selected
 
108
        ISelection selection = page.getSelection(ControlView.ID);
 
109
        if (selection instanceof StructuredSelection) {
 
110
            Object element = ((StructuredSelection) selection).getFirstElement();
 
111
            sessionGroup = (element instanceof TraceSessionGroup) ? (TraceSessionGroup) element : null;
 
112
        }
 
113
 
 
114
        boolean isEnabled = sessionGroup != null;
 
115
        fLock.lock();
 
116
        try {
 
117
            fSessionGroup = null;
 
118
            if(isEnabled) {
 
119
                fSessionGroup = sessionGroup;
 
120
            }
 
121
        } finally {
 
122
            fLock.unlock();
 
123
        }
 
124
        return isEnabled;
 
125
    }
 
126
}