tmf/org.eclipse.tracecompass.tmf.ui/src/org/eclipse/tracecompass/internal/tmf/ui/project/handlers/ImportTraceHandler.java

   1 /*******************************************************************************
   2  * Copyright (c) 2009, 2014 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  *   Bernd Hufmann - Update selection handling
  12  *******************************************************************************/
  13
  14 package org.eclipse.tracecompass.internal.tmf.ui.project.handlers;
  15
  16 import org.eclipse.core.commands.AbstractHandler;
  17 import org.eclipse.core.commands.ExecutionEvent;
  18 import org.eclipse.core.commands.ExecutionException;
  19 import org.eclipse.jface.viewers.ISelection;
  20 import org.eclipse.jface.viewers.IStructuredSelection;
  21 import org.eclipse.jface.viewers.StructuredSelection;
  22 import org.eclipse.jface.wizard.WizardDialog;
  23 import org.eclipse.tracecompass.internal.tmf.ui.project.wizards.importtrace.ImportTraceWizard;
  24 import org.eclipse.ui.IWorkbenchWindow;
  25 import org.eclipse.ui.PlatformUI;
  26 import org.eclipse.ui.handlers.HandlerUtil;
  27
  28 /**
  29  * <b><u>ImportTraceHandler</u></b>
  30  * <p>
  31  * Starts an ImportTraceWizard that will handle the lowly details.
  32  */
  33 public class ImportTraceHandler extends AbstractHandler {
  34
  35     // ------------------------------------------------------------------------
  36     // Execution
  37     // ------------------------------------------------------------------------
  38
  39     @Override
  40     public Object execute(ExecutionEvent event) throws ExecutionException {
  41         ImportTraceWizard w = new ImportTraceWizard();
  42         IWorkbenchWindow window = PlatformUI.getWorkbench().getActiveWorkbenchWindow();
  43
  44         if (window == null) {
  45             return false;
  46         }
  47
  48         ISelection currentSelection = HandlerUtil.getCurrentSelection(event);
  49         // Menu Selection is only not null for context-sensitive menu
  50         ISelection menuSelection  = HandlerUtil.getActiveMenuSelection(event);
  51
  52         IStructuredSelection sec = StructuredSelection.EMPTY;
  53
  54         // Only use the selection if handler is called from context-sensitive menu
  55         if ((menuSelection != null) && (currentSelection instanceof IStructuredSelection)) {
  56             sec = (IStructuredSelection) currentSelection;
  57         }
  58
  59         w.init(PlatformUI.getWorkbench(), sec);
  60         WizardDialog dialog = new WizardDialog(window.getShell(), w);
  61         dialog.open();
  62         return null;
  63     }
  64 }