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

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