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