| 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.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.lttng.ui.LTTngUiPlugin; |
| 24 | import org.eclipse.linuxtools.lttng.ui.views.control.ControlView; |
| 25 | import org.eclipse.linuxtools.lttng.ui.views.control.Messages; |
| 26 | import org.eclipse.linuxtools.lttng.ui.views.control.dialogs.ICreateSessionDialog; |
| 27 | import org.eclipse.linuxtools.lttng.ui.views.control.dialogs.TraceControlDialogFactory; |
| 28 | import org.eclipse.linuxtools.lttng.ui.views.control.model.impl.TraceSessionGroup; |
| 29 | import org.eclipse.ui.IWorkbenchPage; |
| 30 | |
| 31 | /** |
| 32 | * <b><u>CreateSessionHandler</u></b> |
| 33 | * <p> |
| 34 | * Command handler implementation to create a trace session. |
| 35 | * </p> |
| 36 | */ |
| 37 | public class CreateSessionHandler extends BaseControlViewHandler { |
| 38 | |
| 39 | // ------------------------------------------------------------------------ |
| 40 | // Attributes |
| 41 | // ------------------------------------------------------------------------ |
| 42 | /** |
| 43 | * The trace session group the command is to be executed on. |
| 44 | */ |
| 45 | private TraceSessionGroup fSessionGroup = null; |
| 46 | |
| 47 | // ------------------------------------------------------------------------ |
| 48 | // Operations |
| 49 | // ------------------------------------------------------------------------ |
| 50 | /* |
| 51 | * (non-Javadoc) |
| 52 | * @see org.eclipse.core.commands.AbstractHandler#execute(org.eclipse.core.commands.ExecutionEvent) |
| 53 | */ |
| 54 | @Override |
| 55 | public Object execute(ExecutionEvent event) throws ExecutionException { |
| 56 | |
| 57 | // Open dialog box for the node name and address |
| 58 | ICreateSessionDialog dialog = TraceControlDialogFactory.getInstance().getCreateSessionDialog(); |
| 59 | dialog.setTraceSessionGroup(fSessionGroup); |
| 60 | |
| 61 | if (dialog.open() != Window.OK) { |
| 62 | return null; |
| 63 | } |
| 64 | |
| 65 | final String sessionName = dialog.getSessionName(); |
| 66 | final String sessionPath = dialog.isDefaultSessionPath() ? null : dialog.getSessionPath(); |
| 67 | |
| 68 | Job job = new Job(Messages.TraceControl_CreateSessionJob) { |
| 69 | @Override |
| 70 | protected IStatus run(IProgressMonitor monitor) { |
| 71 | try { |
| 72 | fSessionGroup.createSession(sessionName, sessionPath, monitor); |
| 73 | } catch (ExecutionException e) { |
| 74 | return new Status(Status.ERROR, LTTngUiPlugin.PLUGIN_ID, e.toString()); |
| 75 | } |
| 76 | return Status.OK_STATUS; |
| 77 | } |
| 78 | }; |
| 79 | job.setUser(true); |
| 80 | job.schedule(); |
| 81 | |
| 82 | return null; |
| 83 | } |
| 84 | |
| 85 | /* |
| 86 | * (non-Javadoc) |
| 87 | * @see org.eclipse.core.commands.AbstractHandler#isEnabled() |
| 88 | */ |
| 89 | @Override |
| 90 | public boolean isEnabled() { |
| 91 | |
| 92 | // Get workbench page for the Control View |
| 93 | IWorkbenchPage page = getWorkbenchPage(); |
| 94 | if (page == null) { |
| 95 | return false; |
| 96 | } |
| 97 | |
| 98 | fSessionGroup = null; |
| 99 | |
| 100 | // Check if the session group project is selected |
| 101 | ISelection selection = page.getSelection(ControlView.ID); |
| 102 | if (selection instanceof StructuredSelection) { |
| 103 | Object element = ((StructuredSelection) selection).getFirstElement(); |
| 104 | fSessionGroup = (element instanceof TraceSessionGroup) ? (TraceSessionGroup) element : null; |
| 105 | } |
| 106 | return fSessionGroup != null; |
| 107 | } |
| 108 | } |