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1 | /******************************************************************************* |
2 | * Copyright (c) 2012 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.resources.IFolder; | |
16 | import org.eclipse.core.resources.IResource; | |
17 | import org.eclipse.core.runtime.CoreException; | |
18 | import org.eclipse.jface.viewers.IStructuredSelection; | |
19 | import org.eclipse.jface.viewers.StructuredSelection; | |
20 | import org.eclipse.linuxtools.tmf.core.TmfCommonConstants; | |
21 | import org.eclipse.linuxtools.tmf.core.trace.TmfExperiment; | |
22 | import org.eclipse.linuxtools.tmf.core.trace.TmfTrace; | |
23 | import org.eclipse.linuxtools.tmf.ui.project.model.ITmfProjectModelElement; | |
24 | import org.eclipse.linuxtools.tmf.ui.project.model.TmfExperimentElement; | |
25 | import org.eclipse.linuxtools.tmf.ui.project.model.TmfNavigatorContentProvider; | |
26 | import org.eclipse.linuxtools.tmf.ui.project.model.TmfProjectElement; | |
27 | import org.eclipse.linuxtools.tmf.ui.project.model.TmfProjectRegistry; | |
28 | import org.eclipse.linuxtools.tmf.ui.project.model.TmfTraceElement; | |
29 | import org.eclipse.ui.IEditorInput; | |
30 | import org.eclipse.ui.IEditorPart; | |
31 | import org.eclipse.ui.IEditorReference; | |
32 | import org.eclipse.ui.IWorkbenchPage; | |
33 | import org.eclipse.ui.PartInitException; | |
34 | import org.eclipse.ui.ide.ResourceUtil; | |
35 | import org.eclipse.ui.navigator.ILinkHelper; | |
36 | import org.eclipse.ui.part.FileEditorInput; | |
37 | ||
38 | /** | |
39 | * Implementation of ILinkHelper interface for linking with editor extension for traces and | |
40 | * experiments. | |
41 | * | |
42 | * @author Bernd Hufmann | |
43 | */ | |
44 | public class TmfEditorLinkHelper implements ILinkHelper { | |
45 | ||
46 | /* | |
47 | * (non-Javadoc) | |
48 | * @see org.eclipse.ui.navigator.ILinkHelper#findSelection(org.eclipse.ui.IEditorInput) | |
49 | */ | |
50 | @Override | |
51 | public IStructuredSelection findSelection(IEditorInput anInput) { | |
52 | IFile file = ResourceUtil.getFile(anInput); | |
53 | if (file != null) { | |
54 | ||
55 | try { | |
56 | // Get the trace type ID | |
57 | String traceTypeId = file.getPersistentProperty(TmfCommonConstants.TRACETYPE); | |
58 | if (traceTypeId == null) { | |
59 | return StructuredSelection.EMPTY; | |
60 | } | |
61 | ||
62 | final TmfNavigatorContentProvider ncp = new TmfNavigatorContentProvider(); | |
63 | ncp.getChildren(file.getProject()); // force the model to be populated | |
64 | final TmfProjectElement project = TmfProjectRegistry.getProject(file.getProject()); | |
65 | ||
66 | // Check for experiments, traces which are folders or traces which are files | |
67 | if (traceTypeId.equals(TmfExperiment.class.getCanonicalName())) { | |
68 | // Case 1: Experiment | |
69 | for (final ITmfProjectModelElement projectElement : project.getExperimentsFolder().getChildren()) { | |
70 | if (projectElement.getName().equals(file.getParent().getName())) { | |
71 | return new StructuredSelection(projectElement); | |
72 | } | |
73 | } | |
74 | } else if (traceTypeId.equals(TmfTrace.class.getCanonicalName())) { | |
75 | // Case 2: Trace that is a folder | |
76 | for (final ITmfProjectModelElement projectElement : project.getTracesFolder().getChildren()) { | |
77 | if (projectElement.getName().equals(file.getParent().getName())) { | |
78 | return new StructuredSelection(projectElement); | |
79 | } | |
80 | } | |
81 | } else { | |
82 | // Case 3: Trace that is a file | |
83 | for (final ITmfProjectModelElement projectElement : project.getTracesFolder().getChildren()) { | |
84 | if (projectElement.getResource().equals(file)) { | |
85 | return new StructuredSelection(projectElement); | |
86 | } | |
87 | } | |
88 | } | |
89 | } catch (CoreException e) { | |
90 | return StructuredSelection.EMPTY; | |
91 | } | |
92 | } | |
93 | return StructuredSelection.EMPTY; | |
94 | } | |
95 | ||
96 | /* | |
97 | * (non-Javadoc) | |
98 | * @see org.eclipse.ui.navigator.ILinkHelper#activateEditor(org.eclipse.ui.IWorkbenchPage, org.eclipse.jface.viewers.IStructuredSelection) | |
99 | */ | |
100 | @Override | |
101 | public void activateEditor(IWorkbenchPage aPage, IStructuredSelection aSelection) { | |
102 | if (aSelection == null || aSelection.isEmpty()) { | |
103 | return; | |
104 | } | |
105 | ||
106 | IFile file = null; | |
107 | ||
108 | if ((aSelection.getFirstElement() instanceof TmfTraceElement)) { | |
109 | TmfTraceElement traceElement = ((TmfTraceElement)aSelection.getFirstElement()); | |
110 | ||
111 | // If trace is under an experiment, use the original trace from the traces folder | |
112 | traceElement = traceElement.getElementUnderTraceFolder(); | |
113 | ||
114 | // Get the editor resource | |
115 | final IResource resource = traceElement.getResource(); | |
116 | if (resource instanceof IFile) { | |
117 | file = (IFile) resource; | |
118 | } else if (resource instanceof IFolder) { | |
119 | file = ((IFolder) resource).getFile(traceElement.getName() + '_'); | |
120 | } | |
121 | } else if ((aSelection.getFirstElement() instanceof TmfExperimentElement)) { | |
122 | TmfExperimentElement experimentElement = (TmfExperimentElement) aSelection.getFirstElement(); | |
123 | file = experimentElement.getResource().getFile(experimentElement.getName() + '_'); | |
124 | } | |
125 | ||
126 | if (file != null) { | |
127 | IEditorInput tmpInput = new FileEditorInput(file); | |
128 | IEditorPart localEditor = aPage.findEditor(tmpInput); | |
129 | if (localEditor != null) { | |
130 | // Editor found. | |
131 | aPage.activate(localEditor); | |
132 | aPage.bringToTop(localEditor); | |
133 | } else { | |
134 | // Search in references for corresponding editor | |
135 | IEditorReference[] refs = aPage.getEditorReferences(); | |
136 | for (IEditorReference editorReference : refs) { | |
137 | try { | |
138 | if (editorReference.getEditorInput().equals(tmpInput)) { | |
139 | localEditor = editorReference.getEditor(true); | |
140 | if (localEditor != null) { | |
141 | aPage.bringToTop(localEditor); | |
142 | } | |
143 | } | |
144 | } catch (PartInitException e) { | |
145 | // Ignore | |
146 | } | |
147 | } | |
148 | } | |
149 | } | |
150 | } | |
151 | } | |
152 |