org.eclipse.linuxtools.tmf.ui/src/org/eclipse/linuxtools/internal/tmf/ui/project/handlers/ImportTraceHandler.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 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.StructuredSelection;
  21 import org.eclipse.jface.viewers.TreeSelection;
  22 import org.eclipse.jface.wizard.WizardDialog;
  23 import org.eclipse.linuxtools.tmf.ui.project.model.TmfTraceFolder;
  24 import org.eclipse.linuxtools.tmf.ui.project.wizards.importtrace.ImportTraceWizard;
  25 import org.eclipse.swt.widgets.Shell;
  26 import org.eclipse.ui.IWorkbench;
  27 import org.eclipse.ui.IWorkbenchPage;
  28 import org.eclipse.ui.IWorkbenchPart;
  29 import org.eclipse.ui.IWorkbenchWindow;
  30 import org.eclipse.ui.PlatformUI;
  31
  32 /**
  33  * <b><u>ImportTraceHandler</u></b>
  34  * <p>
  35  * Starts an ImportTraceWizard that will handle the lowly details.
  36  */
  37 public class ImportTraceHandler extends AbstractHandler {
  38
  39     // ------------------------------------------------------------------------
  40     // Execution
  41     // ------------------------------------------------------------------------
  42
  43     @Override
  44     public Object execute(ExecutionEvent event) throws ExecutionException {
  45
  46         TmfTraceFolder traceFolder = getTraceFolder();
  47         if (traceFolder == null) {
  48             return null;
  49         }
  50         // Fire the Import Trace Wizard
  51         IWorkbench workbench = PlatformUI.getWorkbench();
  52         Shell shell = workbench.getActiveWorkbenchWindow().getShell();
  53
  54         ImportTraceWizard wizard = new ImportTraceWizard();
  55         wizard.init(PlatformUI.getWorkbench(), new StructuredSelection(traceFolder));
  56         WizardDialog dialog = new WizardDialog(shell, wizard);
  57         dialog.open();
  58
  59         traceFolder.refresh();
  60
  61         return null;
  62     }
  63
  64     /**
  65      * @return the trace folder or null
  66      */
  67     protected TmfTraceFolder getTraceFolder() {
  68         // Check if we are closing down
  69         IWorkbenchWindow window = PlatformUI.getWorkbench().getActiveWorkbenchWindow();
  70         if (window == null) {
  71             return null;
  72         }
  73
  74         // Get the selection
  75         IWorkbenchPage page = PlatformUI.getWorkbench().getActiveWorkbenchWindow().getActivePage();
  76         IWorkbenchPart part = page.getActivePart();
  77         if (part == null) {
  78             return null;
  79         }
  80         ISelectionProvider selectionProvider = part.getSite().getSelectionProvider();
  81         if (selectionProvider == null) {
  82             return null;
  83         }
  84         ISelection selection = selectionProvider.getSelection();
  85
  86         TmfTraceFolder traceFolder = null;
  87         if (selection instanceof TreeSelection) {
  88             TreeSelection sel = (TreeSelection) selection;
  89             // There should be only one item selected as per the plugin.xml
  90             Object element = sel.getFirstElement();
  91             if (element instanceof TmfTraceFolder) {
  92                 traceFolder = (TmfTraceFolder) element;
  93             }
  94         }
  95         return traceFolder;
  96     }
  97
  98 }