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

   1 /*******************************************************************************
   2  * Copyright (c) 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.jface.viewers.ISelection;
  19 import org.eclipse.jface.viewers.ISelectionProvider;
  20 import org.eclipse.jface.viewers.TreeSelection;
  21 import org.eclipse.linuxtools.tmf.ui.project.model.TmfExperimentElement;
  22 import org.eclipse.linuxtools.tmf.ui.project.wizards.RenameExperimentDialog;
  23 import org.eclipse.swt.widgets.Shell;
  24 import org.eclipse.ui.IWorkbenchPage;
  25 import org.eclipse.ui.IWorkbenchPart;
  26 import org.eclipse.ui.IWorkbenchWindow;
  27 import org.eclipse.ui.PlatformUI;
  28
  29 /**
  30  * <b><u>RenameExperimentHandler</u></b>
  31  * <p>
  32  */
  33 public class RenameExperimentHandler extends AbstractHandler {
  34
  35         private TmfExperimentElement fExperiment = null;
  36
  37         // ------------------------------------------------------------------------
  38     // isEnabled
  39     // ------------------------------------------------------------------------
  40
  41     @Override
  42     public boolean isEnabled() {
  43
  44         // Check if we are closing down
  45         IWorkbenchWindow window = PlatformUI.getWorkbench().getActiveWorkbenchWindow();
  46         if (window == null)
  47             return false;
  48
  49         // Get the selection
  50         IWorkbenchPage page = PlatformUI.getWorkbench().getActiveWorkbenchWindow().getActivePage();
  51         IWorkbenchPart part = page.getActivePart();
  52         ISelectionProvider selectionProvider = part.getSite().getSelectionProvider();
  53         if (selectionProvider == null)
  54             return false;
  55         ISelection selection = selectionProvider.getSelection();
  56
  57         // Make sure there is only selection and that it is an experiment
  58         fExperiment = null;
  59         if (selection instanceof TreeSelection) {
  60             TreeSelection sel = (TreeSelection) selection;
  61             Object element = sel.getFirstElement();
  62             if (element instanceof TmfExperimentElement) {
  63                 fExperiment = (TmfExperimentElement) element;
  64             }
  65         }
  66
  67         return (fExperiment != null);
  68     }
  69
  70     // ------------------------------------------------------------------------
  71     // Execution
  72     // ------------------------------------------------------------------------
  73
  74     @Override
  75     public Object execute(ExecutionEvent event) throws ExecutionException {
  76
  77         // Check if we are closing down
  78         IWorkbenchWindow window = PlatformUI.getWorkbench().getActiveWorkbenchWindow();
  79         if (window == null)
  80             return null;
  81
  82         // Fire the Rename Experiment dialog
  83         Shell shell = window.getShell();
  84         RenameExperimentDialog dialog = new RenameExperimentDialog(shell, fExperiment);
  85         dialog.open();
  86
  87         return null;
  88     }
  89
  90 }