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

   1 /*******************************************************************************
   2  * Copyright (c) 2011, 2013 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.core.resources.IResource;
  19 import org.eclipse.core.runtime.CoreException;
  20 import org.eclipse.jface.viewers.ISelection;
  21 import org.eclipse.jface.viewers.TreeSelection;
  22 import org.eclipse.linuxtools.internal.tmf.ui.Activator;
  23 import org.eclipse.linuxtools.tmf.ui.project.model.TmfExperimentElement;
  24 import org.eclipse.linuxtools.tmf.ui.project.model.TmfExperimentFolder;
  25 import org.eclipse.linuxtools.tmf.ui.project.model.TmfTraceFolder;
  26 import org.eclipse.ui.IWorkbenchPage;
  27 import org.eclipse.ui.IWorkbenchPart;
  28 import org.eclipse.ui.IWorkbenchWindow;
  29 import org.eclipse.ui.PlatformUI;
  30
  31 /**
  32  * <b><u>RefreshHandler</u></b>
  33  * <p>
  34  * TODO: Handle multiple selections
  35  */
  36 public class RefreshHandler extends AbstractHandler {
  37
  38     // ------------------------------------------------------------------------
  39     // Execution
  40     // ------------------------------------------------------------------------
  41
  42     @Override
  43     public Object execute(ExecutionEvent event) throws ExecutionException {
  44
  45         // Check if we are closing down
  46         IWorkbenchWindow window = PlatformUI.getWorkbench().getActiveWorkbenchWindow();
  47         if (window == null) {
  48             return null;
  49         }
  50
  51         // Get the selection
  52         IWorkbenchPage page = PlatformUI.getWorkbench().getActiveWorkbenchWindow().getActivePage();
  53         IWorkbenchPart part = page.getActivePart();
  54         if (part == null) {
  55             return false;
  56         }
  57         ISelection selection = part.getSite().getSelectionProvider().getSelection();
  58         if (selection instanceof TreeSelection) {
  59             TreeSelection treeSelection = (TreeSelection) selection;
  60             Object element = treeSelection.getFirstElement();
  61             IResource resource = null;
  62             if (element instanceof TmfTraceFolder) {
  63                 TmfTraceFolder folder = (TmfTraceFolder) element;
  64                 resource = folder.getResource();
  65             }
  66             else if (element instanceof TmfExperimentFolder) {
  67                 TmfExperimentFolder folder = (TmfExperimentFolder) element;
  68                 resource = folder.getResource();
  69             }
  70             else if (element instanceof TmfExperimentElement) {
  71                 TmfExperimentElement folder = (TmfExperimentElement) element;
  72                 resource = folder.getResource();
  73             }
  74             try {
  75                 if (resource != null) {
  76                     resource.refreshLocal(IResource.DEPTH_INFINITE, null);
  77                 }
  78             } catch (CoreException e) {
  79                 Activator.getDefault().logError("Error refreshing projects", e); //$NON-NLS-1$
  80             }
  81         }
  82
  83
  84         return null;
  85     }
  86
  87 }