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.ITmfProjectModelElement;
  22 import org.eclipse.linuxtools.tmf.ui.project.model.TmfExperimentElement;
  23 import org.eclipse.linuxtools.tmf.ui.project.model.TmfProjectElement;
  24 import org.eclipse.linuxtools.tmf.ui.project.model.TmfProjectRegistry;
  25 import org.eclipse.linuxtools.tmf.ui.project.model.TmfTraceElement;
  26 import org.eclipse.ui.IEditorInput;
  27 import org.eclipse.ui.IEditorPart;
  28 import org.eclipse.ui.IEditorReference;
  29 import org.eclipse.ui.IWorkbenchPage;
  30 import org.eclipse.ui.PartInitException;
  31 import org.eclipse.ui.ide.ResourceUtil;
  32 import org.eclipse.ui.navigator.ILinkHelper;
  33 import org.eclipse.ui.part.FileEditorInput;
  34
  35 /**
  36  * Implementation of ILinkHelper interface for linking with editor extension for traces and
  37  * experiments.
  38  *
  39  * @author Bernd Hufmann
  40  */
  41 public class TmfEditorLinkHelper implements ILinkHelper {
  42
  43     @Override
  44     public IStructuredSelection findSelection(IEditorInput anInput) {
  45         IFile file = ResourceUtil.getFile(anInput);
  46         if (file != null) {
  47
  48             try {
  49                 // Get the trace type ID
  50                 String traceTypeId = file.getPersistentProperty(TmfCommonConstants.TRACETYPE);
  51                 if (traceTypeId == null) {
  52                     return StructuredSelection.EMPTY;
  53                 }
  54
  55                 final TmfProjectElement project = TmfProjectRegistry.getProject(file.getProject(), true);
  56
  57                 // Check for experiments, traces which are folders or traces which are files
  58                 if (traceTypeId.equals(TmfExperiment.class.getCanonicalName())) {
  59                     // Case 1: Experiment
  60                     for (final ITmfProjectModelElement projectElement : project.getExperimentsFolder().getChildren()) {
  61                         if (projectElement.getName().equals(file.getParent().getName())) {
  62                             return new StructuredSelection(projectElement);
  63                         }
  64                     }
  65                 } else if (traceTypeId.equals(TmfTrace.class.getCanonicalName())) {
  66                     // Case 2: Trace that is a folder
  67                     for (final ITmfProjectModelElement projectElement : project.getTracesFolder().getChildren()) {
  68                         if (projectElement.getName().equals(file.getParent().getName())) {
  69                             return new StructuredSelection(projectElement);
  70                         }
  71                     }
  72                 } else {
  73                     // Case 3: Trace that is a file
  74                     for (final ITmfProjectModelElement projectElement : project.getTracesFolder().getChildren()) {
  75                         if (projectElement.getResource().equals(file)) {
  76                             return new StructuredSelection(projectElement);
  77                         }
  78                     }
  79                 }
  80             } catch (CoreException e) {
  81                 return StructuredSelection.EMPTY;
  82             }
  83         }
  84         return StructuredSelection.EMPTY;
  85     }
  86
  87     @Override
  88     public void activateEditor(IWorkbenchPage aPage, IStructuredSelection aSelection) {
  89         if (aSelection == null || aSelection.isEmpty()) {
  90             return;
  91         }
  92
  93         IFile file = null;
  94
  95         if ((aSelection.getFirstElement() instanceof TmfTraceElement)) {
  96             TmfTraceElement traceElement = ((TmfTraceElement)aSelection.getFirstElement());
  97
  98             // If trace is under an experiment, use the original trace from the traces folder
  99             traceElement = traceElement.getElementUnderTraceFolder();
 100             file = traceElement.getBookmarksFile();
 101         } else if ((aSelection.getFirstElement() instanceof TmfExperimentElement)) {
 102             TmfExperimentElement experimentElement = (TmfExperimentElement) aSelection.getFirstElement();
 103             file = experimentElement.getBookmarksFile();
 104         }
 105
 106         if (file != null) {
 107             IEditorInput tmpInput = new FileEditorInput(file);
 108             IEditorPart localEditor = aPage.findEditor(tmpInput);
 109             if (localEditor != null) {
 110                 // Editor found.
 111                 aPage.bringToTop(localEditor);
 112             } else {
 113                 // Search in references for corresponding editor
 114                 IEditorReference[] refs = aPage.getEditorReferences();
 115                 for (IEditorReference editorReference : refs) {
 116                     try {
 117                         if (editorReference.getEditorInput().equals(tmpInput)) {
 118                             localEditor = editorReference.getEditor(true);
 119                             if (localEditor != null) {
 120                                 aPage.bringToTop(localEditor);
 121                             }
 122                         }
 123                     } catch (PartInitException e) {
 124                         // Ignore
 125                     }
 126                 }
 127             }
 128         }
 129     }
 130 }
 131