tmf/org.eclipse.tracecompass.tmf.ui/src/org/eclipse/tracecompass/internal/tmf/ui/project/handlers/SelectTracesHandler.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.tracecompass.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.ISelectionProvider;
  20 import org.eclipse.jface.viewers.TreeSelection;
  21 import org.eclipse.jface.wizard.WizardDialog;
  22 import org.eclipse.swt.widgets.Shell;
  23 import org.eclipse.tracecompass.tmf.ui.project.model.TmfExperimentElement;
  24 import org.eclipse.tracecompass.tmf.ui.project.model.TmfExperimentFolder;
  25 import org.eclipse.tracecompass.tmf.ui.project.model.TmfProjectElement;
  26 import org.eclipse.tracecompass.tmf.ui.project.wizards.SelectTracesWizard;
  27 import org.eclipse.ui.IWorkbench;
  28 import org.eclipse.ui.IWorkbenchPage;
  29 import org.eclipse.ui.IWorkbenchPart;
  30 import org.eclipse.ui.IWorkbenchWindow;
  31 import org.eclipse.ui.PlatformUI;
  32
  33 /**
  34  * <b><u>SelectTracesHandler</u></b>
  35  * <p>
  36  */
  37 public class SelectTracesHandler extends AbstractHandler {
  38
  39     private TmfExperimentElement fExperiment = null;
  40
  41     // ------------------------------------------------------------------------
  42     // Validation
  43     // ------------------------------------------------------------------------
  44
  45     @Override
  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
  54         // Get the selection
  55         IWorkbenchPage page = PlatformUI.getWorkbench().getActiveWorkbenchWindow().getActivePage();
  56         IWorkbenchPart part = page.getActivePart();
  57         if (part == null) {
  58             return false;
  59         }
  60         ISelectionProvider selectionProvider = part.getSite().getSelectionProvider();
  61         if (selectionProvider == null) {
  62             return false;
  63         }
  64         ISelection selection = selectionProvider.getSelection();
  65
  66         // Make sure there is only one selection and that it is an experiment
  67         fExperiment = null;
  68         if (selection instanceof TreeSelection) {
  69             TreeSelection sel = (TreeSelection) selection;
  70             // There should be only one item selected as per the plugin.xml
  71             Object element = sel.getFirstElement();
  72             if (element instanceof TmfExperimentElement) {
  73                 fExperiment = (TmfExperimentElement) element;
  74             }
  75         }
  76
  77         return (fExperiment != null);
  78     }
  79
  80     // ------------------------------------------------------------------------
  81     // Execution
  82     // ------------------------------------------------------------------------
  83
  84     @Override
  85     public Object execute(ExecutionEvent event) throws ExecutionException {
  86
  87         // Check if we are closing down
  88         IWorkbenchWindow window = PlatformUI.getWorkbench().getActiveWorkbenchWindow();
  89         if (window == null) {
  90             return null;
  91         }
  92
  93         // Fire the Select Traces Wizard
  94         IWorkbench workbench = PlatformUI.getWorkbench();
  95         Shell shell = workbench.getActiveWorkbenchWindow().getShell();
  96
  97         TmfExperimentFolder experiments = (TmfExperimentFolder) fExperiment.getParent();
  98         TmfProjectElement project = (TmfProjectElement) experiments.getParent();
  99         SelectTracesWizard wizard = new SelectTracesWizard(project, fExperiment);
 100         wizard.init(PlatformUI.getWorkbench(), null);
 101         WizardDialog dialog = new WizardDialog(shell, wizard);
 102         dialog.open();
 103
 104         return null;
 105     }
 106
 107 }