Fix NLS-related Javadoc warnings
[deliverable/tracecompass.git] / org.eclipse.linuxtools.lttng2.ui / src / org / eclipse / linuxtools / internal / lttng2 / ui / views / control / handlers / DestroySessionHandler.java
CommitLineData
bbb3538a
BH
1/**********************************************************************
2 * Copyright (c) 2012 Ericsson
cfdb727a 3 *
bbb3538a
BH
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
cfdb727a
AM
8 *
9 * Contributors:
bbb3538a
BH
10 * Bernd Hufmann - Initial API and implementation
11 **********************************************************************/
115b4a01 12package org.eclipse.linuxtools.internal.lttng2.ui.views.control.handlers;
bbb3538a
BH
13
14import java.util.ArrayList;
15import java.util.Iterator;
16import java.util.List;
17
bbb3538a
BH
18import org.eclipse.core.commands.ExecutionEvent;
19import org.eclipse.core.commands.ExecutionException;
20import org.eclipse.core.runtime.IProgressMonitor;
21import org.eclipse.core.runtime.IStatus;
22import org.eclipse.core.runtime.Status;
23import org.eclipse.core.runtime.jobs.Job;
bbb3538a
BH
24import org.eclipse.jface.viewers.ISelection;
25import org.eclipse.jface.viewers.StructuredSelection;
9315aeee 26import org.eclipse.linuxtools.internal.lttng2.core.control.model.TraceSessionState;
115b4a01
BH
27import org.eclipse.linuxtools.internal.lttng2.ui.Activator;
28import org.eclipse.linuxtools.internal.lttng2.ui.views.control.ControlView;
115b4a01
BH
29import org.eclipse.linuxtools.internal.lttng2.ui.views.control.dialogs.IConfirmDialog;
30import org.eclipse.linuxtools.internal.lttng2.ui.views.control.dialogs.TraceControlDialogFactory;
9315aeee 31import org.eclipse.linuxtools.internal.lttng2.ui.views.control.messages.Messages;
115b4a01
BH
32import org.eclipse.linuxtools.internal.lttng2.ui.views.control.model.impl.TraceSessionComponent;
33import org.eclipse.linuxtools.internal.lttng2.ui.views.control.model.impl.TraceSessionGroup;
bbb3538a 34import org.eclipse.ui.IWorkbenchPage;
bbb3538a
BH
35import org.eclipse.ui.IWorkbenchWindow;
36import org.eclipse.ui.PlatformUI;
37
38/**
bbb3538a
BH
39 * <p>
40 * Command handler implementation to destroy one or more trace sessions.
41 * </p>
cfdb727a 42 *
dbd4432d 43 * @author Bernd Hufmann
bbb3538a 44 */
498704b3 45public class DestroySessionHandler extends BaseControlViewHandler {
bbb3538a
BH
46
47 // ------------------------------------------------------------------------
48 // Attributes
49 // ------------------------------------------------------------------------
50 /**
cfdb727a 51 * The list of session components the command is to be executed on.
bbb3538a 52 */
cfdb727a
AM
53 private final List<TraceSessionComponent> fSessions = new ArrayList<TraceSessionComponent>();
54
bbb3538a
BH
55 // ------------------------------------------------------------------------
56 // Operations
57 // ------------------------------------------------------------------------
58 /*
59 * (non-Javadoc)
60 * @see org.eclipse.core.commands.AbstractHandler#execute(org.eclipse.core.commands.ExecutionEvent)
61 */
62 @Override
63 public Object execute(ExecutionEvent event) throws ExecutionException {
64
65 IWorkbenchWindow window = PlatformUI.getWorkbench().getActiveWorkbenchWindow();
66
67 if (window == null) {
68 return false;
69 }
70 // Get user confirmation
d132bcc7 71 IConfirmDialog dialog = TraceControlDialogFactory.getInstance().getConfirmDialog();
cfdb727a
AM
72 if (!dialog.openConfirm(window.getShell(),
73 Messages.TraceControl_DestroyConfirmationTitle,
bbb3538a
BH
74 Messages.TraceControl_DestroyConfirmationMessage)) {
75
6503ae0f 76 return null;
bbb3538a 77 }
6503ae0f
BH
78
79 Job job = new Job(Messages.TraceControl_DestroySessionJob) {
80 @Override
81 protected IStatus run(IProgressMonitor monitor) {
82 try {
cfdb727a
AM
83 // Make a copy of the list of sessions to avoid ConcurrentModificationException when iterating
84 // over fSessions, since fSessions is modified in another thread triggered by the tree viewer refresh
6503ae0f 85 // after removing a session.
cfdb727a 86 TraceSessionComponent[] sessions = fSessions.toArray(new TraceSessionComponent[fSessions.size()]);
6503ae0f
BH
87
88 for (int i = 0; i < sessions.length; i++) {
89 // Destroy all selected sessions
90 TraceSessionComponent session = sessions[i];
91 TraceSessionGroup sessionGroup = (TraceSessionGroup)session.getParent();
92 sessionGroup.destroySession(session, monitor);
93 }
94 } catch (ExecutionException e) {
cfdb727a
AM
95 return new Status(IStatus.ERROR, Activator.PLUGIN_ID, Messages.TraceControl_DestroySessionFailure, e);
96 }
6503ae0f
BH
97 return Status.OK_STATUS;
98 }
99 };
100 job.setUser(true);
101 job.schedule();
102
bbb3538a
BH
103 return null;
104 }
105
106 /*
107 * (non-Javadoc)
108 * @see org.eclipse.core.commands.AbstractHandler#isEnabled()
109 */
110 @Override
111 public boolean isEnabled() {
498704b3
BH
112 // Get workbench page for the Control View
113 IWorkbenchPage page = getWorkbenchPage();
bbb3538a
BH
114 if (page == null) {
115 return false;
116 }
498704b3 117 fSessions.clear();
bbb3538a
BH
118
119 // Check if one or more session are selected
120 ISelection selection = page.getSelection(ControlView.ID);
121 if (selection instanceof StructuredSelection) {
122 StructuredSelection structered = ((StructuredSelection) selection);
123 for (Iterator<?> iterator = structered.iterator(); iterator.hasNext();) {
cfdb727a 124 Object element = iterator.next();
bbb3538a
BH
125 if (element instanceof TraceSessionComponent) {
126 // Add only TraceSessionComponents that are inactive and not destroyed
127 TraceSessionComponent session = (TraceSessionComponent) element;
128 if ((session.getSessionState() == TraceSessionState.INACTIVE) && (!session.isDestroyed())) {
129 fSessions.add((TraceSessionComponent)element);
130 }
131 }
132 }
133 }
c56972bb 134 return !fSessions.isEmpty();
bbb3538a
BH
135 }
136}
This page took 0.042054 seconds and 5 git commands to generate.