org.eclipse.linuxtools.lttng.ui/src/org/eclipse/linuxtools/lttng/ui/views/project/handlers/NewExperimentHandler.java

   1 /*******************************************************************************
   2  * Copyright (c) 2009, 2010 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  *   Francois Chouinard - Initial API and implementation
  11  *******************************************************************************/
  12
  13 package org.eclipse.linuxtools.lttng.ui.views.project.handlers;
  14
  15 import org.eclipse.core.commands.ExecutionEvent;
  16 import org.eclipse.core.commands.ExecutionException;
  17 import org.eclipse.core.commands.IHandler;
  18 import org.eclipse.core.commands.IHandlerListener;
  19 import org.eclipse.core.resources.IFolder;
  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.views.project.ProjectView;
  24 import org.eclipse.linuxtools.lttng.ui.views.project.dialogs.NewExperimentDialog;
  25 import org.eclipse.linuxtools.lttng.ui.views.project.model.ILTTngProjectTreeNode;
  26 import org.eclipse.linuxtools.lttng.ui.views.project.model.LTTngExperimentFolderNode;
  27 import org.eclipse.linuxtools.lttng.ui.views.project.model.LTTngProjectNode;
  28 import org.eclipse.swt.widgets.Shell;
  29 import org.eclipse.ui.IWorkbenchPage;
  30 import org.eclipse.ui.IWorkbenchWindow;
  31 import org.eclipse.ui.PlatformUI;
  32
  33 /**
  34  * <b><u>NewExperimentHandler</u></b>
  35  * <p>
  36  * TODO: Implement me. Please.
  37  */
  38 public class NewExperimentHandler implements IHandler {
  39
  40         private LTTngProjectNode fProject = null;
  41
  42         // ------------------------------------------------------------------------
  43         // Validation
  44         // ------------------------------------------------------------------------
  45
  46         public boolean isEnabled() {
  47
  48                 // Check if we are closing down
  49                 IWorkbenchWindow window = PlatformUI.getWorkbench().getActiveWorkbenchWindow();
  50                 if (window == null)
  51                         return false;
  52
  53                 // Check if we are in the Project View
  54                 IWorkbenchPage page = window.getActivePage();
  55                 if (!(page.getActivePart() instanceof ProjectView))
  56                         return false;
  57
  58                 // Check if a project is selected
  59                 ISelection selection = page.getSelection(ProjectView.ID);
  60                 if (selection instanceof StructuredSelection) {
  61                         Object element = ((StructuredSelection) selection).getFirstElement();
  62                         if (element instanceof ILTTngProjectTreeNode) {
  63                                 ILTTngProjectTreeNode node = (ILTTngProjectTreeNode) element;
  64                                 while (node != null && !(node instanceof LTTngProjectNode)) {
  65                                         node = node.getParent();
  66                                 }
  67                                 fProject = (node instanceof LTTngProjectNode) ? (LTTngProjectNode) node : null;
  68                         }
  69                 }
  70
  71                 return (fProject != null && fProject.isOpen() && fProject.isLTTngProject());
  72         }
  73
  74         // Handled if we are in the ProjectView
  75         public boolean isHandled() {
  76                 return true;
  77         }
  78
  79         // ------------------------------------------------------------------------
  80         // Execution
  81         // ------------------------------------------------------------------------
  82
  83         public Object execute(ExecutionEvent event) throws ExecutionException {
  84
  85                 // Open the experiment creation dialog
  86                 LTTngExperimentFolderNode experimentFolder = fProject.getExperimentsFolder();
  87                 Shell shell = PlatformUI.getWorkbench().getActiveWorkbenchWindow().getShell();
  88                 NewExperimentDialog dialog = new NewExperimentDialog(shell, experimentFolder);
  89                 dialog.open();
  90
  91                 if (dialog.getReturnCode() == Window.OK) {
  92                         Object[] experiments = dialog.getResult();
  93                         if (experiments[0] instanceof IFolder) {
  94                                 experimentFolder.addExperiment((IFolder) experiments[0]);
  95                         }
  96                 }
  97
  98                 return null;
  99         }
 100
 101         public void dispose() {
 102                 // TODO Auto-generated method stub
 103         }
 104
 105         // ------------------------------------------------------------------------
 106         // IHandlerListener
 107         // ------------------------------------------------------------------------
 108
 109         public void addHandlerListener(IHandlerListener handlerListener) {
 110                 // TODO Auto-generated method stub
 111         }
 112
 113         public void removeHandlerListener(IHandlerListener handlerListener) {
 114                 // TODO Auto-generated method stub
 115         }
 116
 117 }