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

   1 /*******************************************************************************
   2 * Copyright (c) 2012 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.linuxtools.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.linuxtools.internal.tmf.ui.Activator;
  24 import org.eclipse.linuxtools.tmf.ui.project.model.TmfExperimentElement;
  25 import org.eclipse.linuxtools.tmf.ui.project.model.TmfExperimentFolder;
  26 import org.eclipse.linuxtools.tmf.ui.project.model.TmfProjectModelElement;
  27 import org.eclipse.linuxtools.tmf.ui.project.model.TmfTraceFolder;
  28 import org.eclipse.ui.IWorkbenchPage;
  29 import org.eclipse.ui.handlers.IHandlerService;
  30
  31 /**
  32  * <b><u>RefreshAction</u></b>
  33  * <p>
  34  * Implement me. Please.
  35  * <p>
  36  */
  37 public class RefreshAction extends Action {
  38
  39     private static final String REFRESH_COMMAND_ID = "org.eclipse.ui.file.refresh"; //$NON-NLS-1$
  40
  41     private IWorkbenchPage page;
  42     private ISelectionProvider selectionProvider;
  43     private TmfProjectModelElement element;
  44
  45     /**
  46      * Default constructor
  47      * @param page the workbench page
  48      * @param selectionProvider the selection provider
  49      */
  50     public RefreshAction(IWorkbenchPage page, ISelectionProvider selectionProvider) {
  51         this.page = page;
  52         this.selectionProvider = selectionProvider;
  53     }
  54
  55     /*
  56      * (non-Javadoc)
  57      * @see org.eclipse.jface.action.Action#isEnabled()
  58      */
  59     @Override
  60     public boolean isEnabled() {
  61         ISelection selection = selectionProvider.getSelection();
  62         if (!selection.isEmpty()) {
  63             IStructuredSelection sSelection = (IStructuredSelection) selection;
  64             if (sSelection.size() == 1) {
  65                 if (sSelection.getFirstElement() instanceof TmfTraceFolder ||
  66                         sSelection.getFirstElement() instanceof TmfExperimentFolder ||
  67                         sSelection.getFirstElement() instanceof TmfExperimentElement) {
  68                     element = (TmfProjectModelElement) sSelection.getFirstElement();
  69                     return true;
  70                 }
  71             }
  72         }
  73         return false;
  74     }
  75
  76     /*
  77      * (non-Javadoc)
  78      * @see org.eclipse.jface.action.Action#run()
  79      */
  80     @Override
  81     public void run() {
  82         try {
  83             IHandlerService handlerService = (IHandlerService) page.getActivePart().getSite().getService(IHandlerService.class);
  84             if (element instanceof TmfTraceFolder || element instanceof TmfExperimentFolder || element instanceof TmfExperimentElement) {
  85                 handlerService.executeCommand(REFRESH_COMMAND_ID, null);
  86             }
  87         } catch (ExecutionException e) {
  88             Activator.getDefault().logError("Error refreshing resource " + element.getName(), e); //$NON-NLS-1$
  89         } catch (NotDefinedException e) {
  90             Activator.getDefault().logError("Error refreshing resource " + element.getName(), e); //$NON-NLS-1$
  91         } catch (NotEnabledException e) {
  92             Activator.getDefault().logError("Error refreshing resource " + element.getName(), e); //$NON-NLS-1$
  93         } catch (NotHandledException e) {
  94             Activator.getDefault().logError("Error refreshing resource " + element.getName(), e); //$NON-NLS-1$
  95         }
  96     }
  97
  98 }