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

   1 /*******************************************************************************
   2  * Copyright (c) 2009, 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 java.util.ArrayList;
  16 import java.util.Arrays;
  17 import java.util.List;
  18
  19 import org.eclipse.core.commands.AbstractHandler;
  20 import org.eclipse.core.commands.ExecutionEvent;
  21 import org.eclipse.core.commands.ExecutionException;
  22 import org.eclipse.core.resources.IResource;
  23 import org.eclipse.core.runtime.CoreException;
  24 import org.eclipse.core.runtime.NullProgressMonitor;
  25 import org.eclipse.jface.viewers.ISelection;
  26 import org.eclipse.jface.viewers.ISelectionProvider;
  27 import org.eclipse.jface.viewers.TreeSelection;
  28 import org.eclipse.jface.window.Window;
  29 import org.eclipse.linuxtools.internal.tmf.ui.Activator;
  30 import org.eclipse.linuxtools.internal.tmf.ui.project.dialogs.SelectSupplementaryResourcesDialog;
  31 import org.eclipse.linuxtools.tmf.ui.project.model.TmfExperimentElement;
  32 import org.eclipse.linuxtools.tmf.ui.project.model.TmfTraceElement;
  33 import org.eclipse.ui.IWorkbenchPage;
  34 import org.eclipse.ui.IWorkbenchPart;
  35 import org.eclipse.ui.IWorkbenchWindow;
  36 import org.eclipse.ui.PlatformUI;
  37
  38 /**
  39  * <b><u>DeleteExperimentSupplementaryFilesHandler</u></b>
  40  * <p>
  41  * TODO: Implement me. Please.
  42  */
  43 public class DeleteExperimentSupplementaryFilesHandler extends AbstractHandler {
  44
  45     // ------------------------------------------------------------------------
  46     // Execution
  47     // ------------------------------------------------------------------------
  48
  49     @Override
  50     public Object execute(ExecutionEvent event) throws ExecutionException {
  51
  52         // Check if we are closing down
  53         IWorkbenchWindow window = PlatformUI.getWorkbench().getActiveWorkbenchWindow();
  54         if (window == null) {
  55             return null;
  56         }
  57
  58         // Get the selection
  59         IWorkbenchPage page = PlatformUI.getWorkbench().getActiveWorkbenchWindow().getActivePage();
  60         IWorkbenchPart part = page.getActivePart();
  61         if (part == null) {
  62             return false;
  63         }
  64         ISelectionProvider selectionProvider = part.getSite().getSelectionProvider();
  65         if (selectionProvider == null) {
  66             return false;
  67         }
  68
  69         ISelection selection = selectionProvider.getSelection();
  70
  71         // Make sure there is only selection and that it is an experiment
  72         if (selection instanceof TreeSelection) {
  73             TreeSelection sel = (TreeSelection) selection;
  74             // There should be only one item selected as per the plugin.xml
  75             Object element = sel.getFirstElement();
  76             List<IResource> resourcesList = new ArrayList<IResource>();
  77
  78             if (element instanceof TmfExperimentElement) {
  79
  80                 TmfExperimentElement trace = (TmfExperimentElement) element;
  81
  82                 IResource[] resources = trace.getSupplementaryResources();
  83                 resourcesList.addAll(Arrays.asList(resources));
  84
  85                 for (TmfTraceElement aTrace : trace.getTraces()) {
  86
  87                     // If trace is under an experiment, use the original trace from the traces folder
  88                     aTrace = aTrace.getElementUnderTraceFolder();
  89
  90                     // Delete the selected resources
  91                     resources = aTrace.getSupplementaryResources();
  92                     resourcesList.addAll(Arrays.asList(resources));
  93                 }
  94
  95                 SelectSupplementaryResourcesDialog dialog = new SelectSupplementaryResourcesDialog(window.getShell(), resourcesList.toArray(new IResource[resourcesList.size()]));
  96
  97                 if (dialog.open() != Window.OK) {
  98                     return null;
  99                 }
 100
 101                 IResource[] resourcesToDelete = dialog.getResources();
 102
 103                 for (int i = 0; i < resourcesToDelete.length; i++) {
 104                     try {
 105                         resourcesToDelete[i].delete(true, new NullProgressMonitor());
 106                     } catch (CoreException e) {
 107                         Activator.getDefault().logError("Error deleting supplementary resource " + resourcesToDelete[i], e); //$NON-NLS-1$
 108                     }
 109                 }
 110
 111                 IResource resource = trace.getProject().getResource();
 112                 if (resource != null) {
 113                     try {
 114                         resource.refreshLocal(IResource.DEPTH_INFINITE, null);
 115                     } catch (CoreException e) {
 116                         Activator.getDefault().logError("Error refreshing resource " + resource, e); //$NON-NLS-1$
 117                     }
 118                 }
 119             }
 120         }
 121         return null;
 122     }
 123 }