org.eclipse.linuxtools.tmf.ui/src/org/eclipse/linuxtools/tmf/ui/views/project/handlers/OpenTraceHandler.java

   1 /*******************************************************************************
   2  * Copyright (c) 2009, 2010 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.views.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.core.resources.IResource;
  19 import org.eclipse.jface.viewers.ISelection;
  20 import org.eclipse.jface.viewers.StructuredSelection;
  21 import org.eclipse.linuxtools.tmf.trace.ITmfTrace;
  22 import org.eclipse.linuxtools.tmf.ui.editors.TmfEditorInput;
  23 import org.eclipse.linuxtools.tmf.ui.parsers.ParserProviderManager;
  24 import org.eclipse.linuxtools.tmf.ui.views.project.ProjectView;
  25 import org.eclipse.linuxtools.tmf.ui.views.project.model.TmfExperimentNode;
  26 import org.eclipse.linuxtools.tmf.ui.views.project.model.TmfTraceNode;
  27 import org.eclipse.ui.IEditorInput;
  28 import org.eclipse.ui.IEditorPart;
  29 import org.eclipse.ui.IReusableEditor;
  30 import org.eclipse.ui.IWorkbench;
  31 import org.eclipse.ui.IWorkbenchPage;
  32 import org.eclipse.ui.IWorkbenchWindow;
  33 import org.eclipse.ui.PartInitException;
  34 import org.eclipse.ui.PlatformUI;
  35
  36 /**
  37  * <b><u>OpenTraceHandler</u></b>
  38  * <p>
  39  * TODO: Implement me. Please.
  40  */
  41 public class OpenTraceHandler extends AbstractHandler {
  42
  43         private TmfTraceNode fTrace = null;
  44
  45         // ------------------------------------------------------------------------
  46         // Validation
  47         // ------------------------------------------------------------------------
  48
  49         @Override
  50         public boolean isEnabled() {
  51
  52         // Check if we are closing down
  53         IWorkbenchWindow window = PlatformUI.getWorkbench().getActiveWorkbenchWindow();
  54         if (window == null)
  55             return false;
  56
  57         // Check if a trace is selected
  58         IWorkbenchPage page = window.getActivePage();
  59         if (!(page.getActivePart() instanceof ProjectView))
  60             return false;
  61
  62         // Check if a trace is selected
  63         ISelection selection = page.getSelection(ProjectView.ID);
  64         if (selection instanceof StructuredSelection) {
  65             Object element = ((StructuredSelection) selection).getFirstElement();
  66             fTrace = (element instanceof TmfTraceNode) ? (TmfTraceNode) element : null;
  67         }
  68
  69         return (fTrace != null);
  70         }
  71
  72         // ------------------------------------------------------------------------
  73         // Execution
  74         // ------------------------------------------------------------------------
  75
  76         @Override
  77         public Object execute(ExecutionEvent event) throws ExecutionException {
  78
  79         IResource resource = fTrace.getResource();
  80         if (fTrace.getParent() instanceof TmfExperimentNode) {
  81             resource = fTrace.getProject().getTracesFolder().getTraceForLocation(resource.getLocation()).getResource();
  82         }
  83
  84         ITmfTrace trace = ParserProviderManager.getTrace(resource);
  85         if (trace == null) {
  86             return null;
  87         }
  88
  89         try {
  90             IEditorInput editorInput = new TmfEditorInput(resource, trace);
  91             IWorkbench wb = PlatformUI.getWorkbench();
  92             IWorkbenchPage activePage = wb.getActiveWorkbenchWindow().getActivePage();
  93
  94             String editorId = ParserProviderManager.getEditorId(resource);
  95             IEditorPart editor = activePage.findEditor(editorInput);
  96             if (editor != null && editor instanceof IReusableEditor) {
  97                 activePage.reuseEditor((IReusableEditor)editor, editorInput);
  98                 activePage.activate(editor);
  99             } else {
 100                 editor = activePage.openEditor(editorInput, editorId);
 101             }
 102
 103         } catch (PartInitException e) {
 104             e.printStackTrace();
 105         }
 106
 107 //        ITmfTrace[] traces = new ITmfTrace[]{trace};
 108 //        TmfExperiment<TmfEvent> experiment = new TmfExperiment<TmfEvent>(TmfEvent.class, resource.getName(), traces, trace.getCacheSize());
 109 //        experiment.indexExperiment(false);
 110 //        TmfSignalManager.dispatchSignal(new TmfExperimentSelectedSignal<TmfEvent>(this, experiment));
 111
 112                 return null;
 113         }
 114
 115 }