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         public boolean isEnabled() {
  50
  51         // Check if we are closing down
  52         IWorkbenchWindow window = PlatformUI.getWorkbench().getActiveWorkbenchWindow();
  53         if (window == null)
  54             return false;
  55
  56         // Check if a trace is selected
  57         IWorkbenchPage page = window.getActivePage();
  58         if (!(page.getActivePart() instanceof ProjectView))
  59             return false;
  60
  61         // Check if a trace is selected
  62         ISelection selection = page.getSelection(ProjectView.ID);
  63         if (selection instanceof StructuredSelection) {
  64             Object element = ((StructuredSelection) selection).getFirstElement();
  65             fTrace = (element instanceof TmfTraceNode) ? (TmfTraceNode) element : null;
  66         }
  67
  68         return (fTrace != null);
  69         }
  70
  71         // ------------------------------------------------------------------------
  72         // Execution
  73         // ------------------------------------------------------------------------
  74
  75         public Object execute(ExecutionEvent event) throws ExecutionException {
  76
  77         IResource resource = fTrace.getResource();
  78         if (fTrace.getParent() instanceof TmfExperimentNode) {
  79             resource = fTrace.getProject().getTracesFolder().getTraceForLocation(resource.getLocation()).getResource();
  80         }
  81
  82         ITmfTrace trace = ParserProviderManager.getTrace(resource);
  83         if (trace == null) {
  84             return null;
  85         }
  86
  87         try {
  88             IEditorInput editorInput = new TmfEditorInput(resource, trace);
  89             IWorkbench wb = PlatformUI.getWorkbench();
  90             IWorkbenchPage activePage = wb.getActiveWorkbenchWindow().getActivePage();
  91
  92             String editorId = ParserProviderManager.getEditorId(resource);
  93             IEditorPart editor = activePage.findEditor(editorInput);
  94             if (editor != null && editor instanceof IReusableEditor) {
  95                 activePage.reuseEditor((IReusableEditor)editor, editorInput);
  96                 activePage.activate(editor);
  97             } else {
  98                 editor = activePage.openEditor(editorInput, editorId);
  99             }
 100
 101         } catch (PartInitException e) {
 102             e.printStackTrace();
 103         }
 104
 105 //        ITmfTrace[] traces = new ITmfTrace[]{trace};
 106 //        TmfExperiment<TmfEvent> experiment = new TmfExperiment<TmfEvent>(TmfEvent.class, resource.getName(), traces, trace.getCacheSize());
 107 //        experiment.indexExperiment(false);
 108 //        TmfSignalManager.dispatchSignal(new TmfExperimentSelectedSignal<TmfEvent>(this, experiment));
 109
 110                 return null;
 111         }
 112
 113 }