org.eclipse.linuxtools.tmf.ui/src/org/eclipse/linuxtools/internal/tmf/ui/project/handlers/NewExperimentHandler.java

   1 /*******************************************************************************
   2  * Copyright (c) 2009, 2014 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.internal.tmf.ui.project.handlers;
  14
  15 import org.eclipse.core.commands.AbstractHandler;
  16 import org.eclipse.core.commands.ExecutionEvent;
  17 import org.eclipse.core.commands.ExecutionException;
  18 import org.eclipse.jface.viewers.ISelection;
  19 import org.eclipse.jface.viewers.TreeSelection;
  20 import org.eclipse.linuxtools.tmf.ui.project.model.TmfExperimentFolder;
  21 import org.eclipse.linuxtools.tmf.ui.project.wizards.NewExperimentDialog;
  22 import org.eclipse.swt.widgets.Shell;
  23 import org.eclipse.ui.IWorkbenchPage;
  24 import org.eclipse.ui.IWorkbenchPart;
  25 import org.eclipse.ui.IWorkbenchWindow;
  26 import org.eclipse.ui.PlatformUI;
  27
  28 /**
  29  * <b><u>NewExperimentHandler</u></b>
  30  * <p>
  31  */
  32 public class NewExperimentHandler extends AbstractHandler {
  33
  34     // ------------------------------------------------------------------------
  35     // Execution
  36     // ------------------------------------------------------------------------
  37
  38     @Override
  39     public Object execute(ExecutionEvent event) throws ExecutionException {
  40
  41         // Check if we are closing down
  42         IWorkbenchWindow window = PlatformUI.getWorkbench().getActiveWorkbenchWindow();
  43         if (window == null) {
  44             return null;
  45         }
  46
  47         // Get the selection
  48         IWorkbenchPage page = PlatformUI.getWorkbench().getActiveWorkbenchWindow().getActivePage();
  49         IWorkbenchPart part = page.getActivePart();
  50         if (part == null) {
  51             return Boolean.FALSE;
  52         }
  53         ISelection selection = part.getSite().getSelectionProvider().getSelection();
  54         TmfExperimentFolder experimentFolder = null;
  55         if (selection instanceof TreeSelection) {
  56             TreeSelection sel = (TreeSelection) selection;
  57             Object element = sel.getFirstElement();
  58             if (element instanceof TmfExperimentFolder) {
  59                 experimentFolder = (TmfExperimentFolder) element;
  60             }
  61         }
  62         if (experimentFolder == null) {
  63             return null;
  64         }
  65
  66         // Fire the New Experiment dialog
  67         Shell shell = window.getShell();
  68         NewExperimentDialog dialog = new NewExperimentDialog(shell, experimentFolder);
  69         dialog.open();
  70
  71         return null;
  72     }
  73
  74 }