org.eclipse.linuxtools.tmf.ui/src/org/eclipse/linuxtools/internal/tmf/ui/project/model/TmfEditorLinkHelper.java

   1 /*******************************************************************************
   2  * Copyright (c) 2012, 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  *   Bernd Hufmann - Initial API and implementation
  11  *******************************************************************************/
  12 package org.eclipse.linuxtools.internal.tmf.ui.project.model;
  13
  14 import org.eclipse.core.resources.IFile;
  15 import org.eclipse.core.runtime.CoreException;
  16 import org.eclipse.jface.viewers.IStructuredSelection;
  17 import org.eclipse.jface.viewers.StructuredSelection;
  18 import org.eclipse.linuxtools.tmf.core.TmfCommonConstants;
  19 import org.eclipse.linuxtools.tmf.core.trace.TmfExperiment;
  20 import org.eclipse.linuxtools.tmf.core.trace.TmfTrace;
  21 import org.eclipse.linuxtools.tmf.ui.project.model.TmfExperimentElement;
  22 import org.eclipse.linuxtools.tmf.ui.project.model.TmfProjectElement;
  23 import org.eclipse.linuxtools.tmf.ui.project.model.TmfProjectRegistry;
  24 import org.eclipse.linuxtools.tmf.ui.project.model.TmfTraceElement;
  25 import org.eclipse.ui.IEditorInput;
  26 import org.eclipse.ui.IEditorPart;
  27 import org.eclipse.ui.IEditorReference;
  28 import org.eclipse.ui.IWorkbenchPage;
  29 import org.eclipse.ui.PartInitException;
  30 import org.eclipse.ui.ide.ResourceUtil;
  31 import org.eclipse.ui.navigator.ILinkHelper;
  32 import org.eclipse.ui.part.FileEditorInput;
  33
  34 /**
  35  * Implementation of ILinkHelper interface for linking with editor extension for traces and
  36  * experiments.
  37  *
  38  * @author Bernd Hufmann
  39  */
  40 public class TmfEditorLinkHelper implements ILinkHelper {
  41
  42     @Override
  43     public IStructuredSelection findSelection(IEditorInput anInput) {
  44         IFile file = ResourceUtil.getFile(anInput);
  45         if (file != null) {
  46
  47             try {
  48                 // Get the trace type ID
  49                 String traceTypeId = file.getPersistentProperty(TmfCommonConstants.TRACETYPE);
  50                 if (traceTypeId == null) {
  51                     return StructuredSelection.EMPTY;
  52                 }
  53
  54                 final TmfProjectElement project = TmfProjectRegistry.getProject(file.getProject(), true);
  55
  56                 // Check for experiments, traces which are folders or traces which are files
  57                 if (traceTypeId.equals(TmfExperiment.class.getCanonicalName())) {
  58                     // Case 1: Experiment
  59                     for (final TmfExperimentElement experimentElement : project.getExperimentsFolder().getExperiments()) {
  60                         if (experimentElement.getResource().equals(file.getParent())) {
  61                             return new StructuredSelection(experimentElement);
  62                         }
  63                     }
  64                 } else if (traceTypeId.equals(TmfTrace.class.getCanonicalName())) {
  65                     // Case 2: Trace that is a folder
  66                     for (final TmfTraceElement traceElement : project.getTracesFolder().getTraces()) {
  67                         if (traceElement.getResource().equals(file.getParent())) {
  68                             return new StructuredSelection(traceElement);
  69                         }
  70                     }
  71                 } else {
  72                     // Case 3: Trace that is a file
  73                     for (final TmfTraceElement traceElement : project.getTracesFolder().getTraces()) {
  74                         if (traceElement.getResource().equals(file)) {
  75                             return new StructuredSelection(traceElement);
  76                         }
  77                     }
  78                 }
  79             } catch (CoreException e) {
  80                 return StructuredSelection.EMPTY;
  81             }
  82         }
  83         return StructuredSelection.EMPTY;
  84     }
  85
  86     @Override
  87     public void activateEditor(IWorkbenchPage aPage, IStructuredSelection aSelection) {
  88         if (aSelection == null || aSelection.isEmpty()) {
  89             return;
  90         }
  91
  92         IFile file = null;
  93
  94         if ((aSelection.getFirstElement() instanceof TmfTraceElement)) {
  95             TmfTraceElement traceElement = ((TmfTraceElement)aSelection.getFirstElement());
  96
  97             // If trace is under an experiment, use the original trace from the traces folder
  98             traceElement = traceElement.getElementUnderTraceFolder();
  99             file = traceElement.getBookmarksFile();
 100         } else if ((aSelection.getFirstElement() instanceof TmfExperimentElement)) {
 101             TmfExperimentElement experimentElement = (TmfExperimentElement) aSelection.getFirstElement();
 102             file = experimentElement.getBookmarksFile();
 103         }
 104
 105         if (file != null) {
 106             IEditorInput tmpInput = new FileEditorInput(file);
 107             IEditorPart localEditor = aPage.findEditor(tmpInput);
 108             if (localEditor != null) {
 109                 // Editor found.
 110                 aPage.bringToTop(localEditor);
 111             } else {
 112                 // Search in references for corresponding editor
 113                 IEditorReference[] refs = aPage.getEditorReferences();
 114                 for (IEditorReference editorReference : refs) {
 115                     try {
 116                         if (editorReference.getEditorInput().equals(tmpInput)) {
 117                             localEditor = editorReference.getEditor(true);
 118                             if (localEditor != null) {
 119                                 aPage.bringToTop(localEditor);
 120                             }
 121                         }
 122                     } catch (PartInitException e) {
 123                         // Ignore
 124                     }
 125                 }
 126             }
 127         }
 128     }
 129 }
 130