org.eclipse.linuxtools.tmf.ui/src/org/eclipse/linuxtools/tmf/ui/project/handlers/DeleteExperimentHandler.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.tmf.ui.project.handlers;
  14
  15 import java.util.Iterator;
  16
  17 import org.eclipse.core.commands.AbstractHandler;
  18 import org.eclipse.core.commands.ExecutionEvent;
  19 import org.eclipse.core.commands.ExecutionException;
  20 import org.eclipse.core.resources.IResource;
  21 import org.eclipse.core.runtime.CoreException;
  22 import org.eclipse.jface.viewers.ISelection;
  23 import org.eclipse.jface.viewers.TreeSelection;
  24 import org.eclipse.linuxtools.tmf.ui.project.model.TmfExperimentElement;
  25 import org.eclipse.swt.SWT;
  26 import org.eclipse.swt.widgets.MessageBox;
  27 import org.eclipse.swt.widgets.Shell;
  28 import org.eclipse.ui.IWorkbenchPage;
  29 import org.eclipse.ui.IWorkbenchPart;
  30 import org.eclipse.ui.IWorkbenchWindow;
  31 import org.eclipse.ui.PlatformUI;
  32
  33 /**
  34  * <b><u>DeleteExperimentHandler</u></b>
  35  * <p>
  36  */
  37 public class DeleteExperimentHandler extends AbstractHandler {
  38
  39     // ------------------------------------------------------------------------
  40     // Execution
  41     // ------------------------------------------------------------------------
  42
  43     @Override
  44     public Object execute(ExecutionEvent event) throws ExecutionException {
  45
  46         // Check if we are closing down
  47         IWorkbenchWindow window = PlatformUI.getWorkbench().getActiveWorkbenchWindow();
  48         if (window == null)
  49             return null;
  50
  51         // Confirm the operation
  52         Shell shell = window.getShell();
  53         MessageBox confirmOperation = new MessageBox(shell, SWT.ICON_QUESTION | SWT.CANCEL | SWT.OK);
  54         confirmOperation.setText(Messages.DeleteDialog_Title);
  55         confirmOperation.setMessage(Messages.DeleteExperimentHandler_Message);
  56         if (confirmOperation.open() != SWT.OK)
  57             return null;
  58
  59         // Get the selection
  60         IWorkbenchPage page = PlatformUI.getWorkbench().getActiveWorkbenchWindow().getActivePage();
  61         IWorkbenchPart part = page.getActivePart();
  62         ISelection selection = part.getSite().getSelectionProvider().getSelection();
  63
  64         if (selection instanceof TreeSelection) {
  65             TreeSelection sel = (TreeSelection) selection;
  66             @SuppressWarnings("unchecked")
  67             Iterator<Object> iterator = sel.iterator();
  68             while (iterator.hasNext()) {
  69                 Object element = iterator.next();
  70                 if (element instanceof TmfExperimentElement) {
  71                     TmfExperimentElement experiment = (TmfExperimentElement) element;
  72                     IResource resource = experiment.getResource();
  73                     try {
  74                         resource.delete(true, null);
  75                         experiment.getProject().refresh();
  76                     } catch (CoreException e) {
  77                         e.printStackTrace();
  78                     }
  79                 }
  80             }
  81         }
  82
  83         return null;
  84     }
  85 }