tmf/org.eclipse.tracecompass.tmf.ui/src/org/eclipse/tracecompass/internal/tmf/ui/project/handlers/OpenAction.java

   1 /*******************************************************************************
   2 * Copyright (c) 2012, 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  *   Patrick Tasse - Initial API and implementation
  11  *******************************************************************************/
  12
  13 package org.eclipse.tracecompass.internal.tmf.ui.project.handlers;
  14
  15 import org.eclipse.core.commands.ExecutionException;
  16 import org.eclipse.core.commands.NotEnabledException;
  17 import org.eclipse.core.commands.NotHandledException;
  18 import org.eclipse.core.commands.common.NotDefinedException;
  19 import org.eclipse.jface.action.Action;
  20 import org.eclipse.jface.viewers.ISelection;
  21 import org.eclipse.jface.viewers.ISelectionProvider;
  22 import org.eclipse.jface.viewers.IStructuredSelection;
  23 import org.eclipse.tracecompass.internal.tmf.ui.Activator;
  24 import org.eclipse.tracecompass.tmf.ui.project.model.TmfAnalysisOutputElement;
  25 import org.eclipse.tracecompass.tmf.ui.project.model.TmfExperimentElement;
  26 import org.eclipse.tracecompass.tmf.ui.project.model.TmfProjectModelElement;
  27 import org.eclipse.tracecompass.tmf.ui.project.model.TmfTraceElement;
  28 import org.eclipse.ui.IWorkbenchPage;
  29 import org.eclipse.ui.handlers.IHandlerService;
  30
  31 /**
  32  * <b><u>OpenAction</u></b>
  33  */
  34 public class OpenAction extends Action {
  35
  36     private static final String OPEN_COMMAND_ID = "org.eclipse.ui.navigate.openResource"; //$NON-NLS-1$
  37
  38     private final IWorkbenchPage page;
  39     private final ISelectionProvider selectionProvider;
  40     private TmfProjectModelElement element;
  41
  42     /**
  43      * Default constructor
  44      * @param page the workbench page
  45      * @param selectionProvider the selection provider
  46      */
  47     public OpenAction(IWorkbenchPage page, ISelectionProvider selectionProvider) {
  48         this.page = page;
  49         this.selectionProvider = selectionProvider;
  50     }
  51
  52     @Override
  53     public boolean isEnabled() {
  54         ISelection selection = selectionProvider.getSelection();
  55         if (!selection.isEmpty()) {
  56             IStructuredSelection sSelection = (IStructuredSelection) selection;
  57             Object firstElement = sSelection.getFirstElement();
  58             if ((sSelection.size() == 1) && (firstElement instanceof TmfTraceElement ||
  59                     firstElement instanceof TmfExperimentElement ||
  60                     firstElement instanceof TmfAnalysisOutputElement)) {
  61                 element = (TmfProjectModelElement) firstElement;
  62                 return true;
  63             }
  64         }
  65         return false;
  66     }
  67
  68     @Override
  69     public void run() {
  70         try {
  71             Object service = page.getActivePart().getSite().getService(IHandlerService.class);
  72             IHandlerService handlerService = (IHandlerService) service;
  73             boolean executeCommand = ((element instanceof TmfTraceElement) || (element instanceof TmfAnalysisOutputElement));
  74
  75             if (!executeCommand && element instanceof TmfExperimentElement) {
  76                 TmfExperimentElement experiment = (TmfExperimentElement) element;
  77                 executeCommand = (experiment.getTraces().size() > 0);
  78             }
  79
  80             if (executeCommand) {
  81                 handlerService.executeCommand(OPEN_COMMAND_ID, null);
  82             }
  83         } catch (ExecutionException e) {
  84             Activator.getDefault().logError("Error opening resource " + element.getName(), e); //$NON-NLS-1$
  85         } catch (NotDefinedException e) {
  86             Activator.getDefault().logError("Error opening resource " + element.getName(), e); //$NON-NLS-1$
  87         } catch (NotEnabledException e) {
  88             Activator.getDefault().logError("Error opening resource " + element.getName(), e); //$NON-NLS-1$
  89         } catch (NotHandledException e) {
  90             Activator.getDefault().logError("Error opening resource " + element.getName(), e); //$NON-NLS-1$
  91         }
  92     }
  93
  94 }