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

   1 /*******************************************************************************
   2  * Copyright (c) 2009, 2010, 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.core.runtime.IStatus;
  21 import org.eclipse.core.runtime.Status;
  22 import org.eclipse.jface.viewers.ISelection;
  23 import org.eclipse.jface.viewers.ISelectionProvider;
  24 import org.eclipse.jface.viewers.TreeSelection;
  25 import org.eclipse.jface.window.Window;
  26 import org.eclipse.linuxtools.internal.tmf.ui.TmfUiPlugin;
  27 import org.eclipse.linuxtools.internal.tmf.ui.project.dialogs.SelectSupplementaryResourcesDialog;
  28 import org.eclipse.linuxtools.tmf.ui.project.model.TmfTraceElement;
  29 import org.eclipse.ui.IWorkbenchPage;
  30 import org.eclipse.ui.IWorkbenchPart;
  31 import org.eclipse.ui.IWorkbenchWindow;
  32 import org.eclipse.ui.PlatformUI;
  33
  34 /**
  35  * <b><u>DeleteTraceSupplementaryFilesHandler</u></b>
  36  * <p>
  37  * TODO: Implement me. Please.
  38  */
  39 public class DeleteTraceSupplementaryFilesHandler extends AbstractHandler {
  40
  41     // ------------------------------------------------------------------------
  42     // Execution
  43     // ------------------------------------------------------------------------
  44
  45     @Override
  46     public Object execute(ExecutionEvent event) throws ExecutionException {
  47
  48         // Check if we are closing down
  49         IWorkbenchWindow window = PlatformUI.getWorkbench().getActiveWorkbenchWindow();
  50         if (window == null)
  51             return null;
  52
  53         // Get the selection
  54         IWorkbenchPage page = PlatformUI.getWorkbench().getActiveWorkbenchWindow().getActivePage();
  55         IWorkbenchPart part = page.getActivePart();
  56         ISelectionProvider selectionProvider = part.getSite().getSelectionProvider();
  57         if (selectionProvider == null) {
  58             return false;
  59         }
  60
  61         ISelection selection = selectionProvider.getSelection();
  62
  63         // Make sure there is only selection and that it is an experiment
  64         if (selection instanceof TreeSelection) {
  65             TreeSelection sel = (TreeSelection) selection;
  66             // There should be only one item selected as per the plugin.xml
  67             Object element = sel.getFirstElement();
  68             if (element instanceof TmfTraceElement) {
  69                 TmfTraceElement trace = (TmfTraceElement) element;
  70                 // If trace is under an experiment, use the original trace from the traces folder
  71                 trace = trace.getElementUnderTraceFolder();
  72
  73                 // Delete the selected resources
  74                 IResource[] resources = trace.getSupplementaryResources();
  75
  76                 SelectSupplementaryResourcesDialog dialog = new SelectSupplementaryResourcesDialog(window.getShell(), resources);
  77                 if (dialog.open() != Window.OK) {
  78                     return null;
  79                 }
  80
  81                 trace.deleteSupplementaryResources(dialog.getResources());
  82
  83                 // Refresh project
  84                 IResource resource = trace.getProject().getResource();
  85
  86                 if (resource != null) {
  87                     try {
  88                         if (resource != null) {
  89                             resource.refreshLocal(IResource.DEPTH_INFINITE, null);
  90                         }
  91                     } catch (CoreException e) {
  92                         TmfUiPlugin.getDefault().getLog().log(new Status(IStatus.ERROR, TmfUiPlugin.PLUGIN_ID, "Error refreshing resource " + resource, e)); //$NON-NLS-1$
  93                     }
  94                 }
  95             }
  96         }
  97
  98         return null;
  99     }
 100
 101 }