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