1 /*******************************************************************************
2 * Copyright (c) 2009, 2010, 2011 Ericsson
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
10 * Francois Chouinard - Initial API and implementation
11 *******************************************************************************/
13 package org
.eclipse
.linuxtools
.internal
.tmf
.ui
.project
.handlers
;
15 import java
.io
.ByteArrayInputStream
;
16 import java
.io
.FileNotFoundException
;
17 import java
.io
.InputStream
;
19 import org
.eclipse
.core
.commands
.AbstractHandler
;
20 import org
.eclipse
.core
.commands
.ExecutionEvent
;
21 import org
.eclipse
.core
.commands
.ExecutionException
;
22 import org
.eclipse
.core
.resources
.IFile
;
23 import org
.eclipse
.core
.resources
.IFolder
;
24 import org
.eclipse
.core
.resources
.IResource
;
25 import org
.eclipse
.core
.runtime
.CoreException
;
26 import org
.eclipse
.jface
.viewers
.ISelection
;
27 import org
.eclipse
.jface
.viewers
.ISelectionProvider
;
28 import org
.eclipse
.jface
.viewers
.TreeSelection
;
29 import org
.eclipse
.linuxtools
.tmf
.core
.event
.ITmfEvent
;
30 import org
.eclipse
.linuxtools
.tmf
.core
.experiment
.TmfExperiment
;
31 import org
.eclipse
.linuxtools
.tmf
.core
.signal
.TmfExperimentSelectedSignal
;
32 import org
.eclipse
.linuxtools
.tmf
.core
.signal
.TmfSignalManager
;
33 import org
.eclipse
.linuxtools
.tmf
.core
.trace
.ITmfTrace
;
34 import org
.eclipse
.linuxtools
.tmf
.core
.trace
.TmfTrace
;
35 import org
.eclipse
.linuxtools
.tmf
.ui
.editors
.EventsViewEditor
;
36 import org
.eclipse
.linuxtools
.tmf
.ui
.editors
.TmfEditorInput
;
37 import org
.eclipse
.linuxtools
.tmf
.ui
.project
.model
.TmfExperimentElement
;
38 import org
.eclipse
.linuxtools
.tmf
.ui
.project
.model
.TmfTraceElement
;
39 import org
.eclipse
.swt
.widgets
.MessageBox
;
40 import org
.eclipse
.ui
.IEditorInput
;
41 import org
.eclipse
.ui
.IEditorPart
;
42 import org
.eclipse
.ui
.IReusableEditor
;
43 import org
.eclipse
.ui
.IWorkbench
;
44 import org
.eclipse
.ui
.IWorkbenchPage
;
45 import org
.eclipse
.ui
.IWorkbenchPart
;
46 import org
.eclipse
.ui
.IWorkbenchWindow
;
47 import org
.eclipse
.ui
.PartInitException
;
48 import org
.eclipse
.ui
.PlatformUI
;
49 import org
.eclipse
.ui
.ide
.IDE
;
50 import org
.eclipse
.ui
.part
.FileEditorInput
;
53 * <b><u>OpenTraceHandler</u></b>
55 * TODO: Add support for multiple trace selection
57 public class OpenTraceHandler
extends AbstractHandler
{
59 private static final String BOOKMARKS_HIDDEN_FILE
= ".bookmarks"; //$NON-NLS-1$
61 // ------------------------------------------------------------------------
63 // ------------------------------------------------------------------------
65 private TmfTraceElement fTrace
= null;
67 // ------------------------------------------------------------------------
69 // ------------------------------------------------------------------------
72 public boolean isEnabled() {
74 // Check if we are closing down
75 IWorkbenchWindow window
= PlatformUI
.getWorkbench().getActiveWorkbenchWindow();
81 IWorkbenchPage page
= PlatformUI
.getWorkbench().getActiveWorkbenchWindow().getActivePage();
82 IWorkbenchPart part
= page
.getActivePart();
83 ISelectionProvider selectionProvider
= part
.getSite().getSelectionProvider();
84 if (selectionProvider
== null) {
87 ISelection selection
= selectionProvider
.getSelection();
89 // Make sure there is only one selection and that it is a trace
91 if (selection
instanceof TreeSelection
) {
92 TreeSelection sel
= (TreeSelection
) selection
;
93 // There should be only one item selected as per the plugin.xml
94 Object element
= sel
.getFirstElement();
95 if (element
instanceof TmfTraceElement
) {
96 fTrace
= (TmfTraceElement
) element
;
100 // We only enable opening from the Traces folder for now
101 return (fTrace
!= null);
104 // ------------------------------------------------------------------------
106 // ------------------------------------------------------------------------
109 @SuppressWarnings({ "rawtypes", "unchecked" })
110 public Object
execute(ExecutionEvent event
) throws ExecutionException
{
112 // Check if we are closing down
113 IWorkbenchWindow window
= PlatformUI
.getWorkbench().getActiveWorkbenchWindow();
114 if (window
== null) {
118 // Check that the trace is valid
119 if (fTrace
== null) {
123 // If trace is under an experiment, use the original trace from the traces folder
124 if (fTrace
.getParent() instanceof TmfExperimentElement
) {
125 for (TmfTraceElement trace
: fTrace
.getProject().getTracesFolder().getTraces()) {
126 if (trace
.getName().equals(fTrace
.getName())) {
133 ITmfTrace trace
= fTrace
.instantiateTrace();
134 ITmfEvent traceEvent
= fTrace
.instantiateEvent();
135 if ((trace
== null) || (traceEvent
== null)) {
136 displayErrorMsg(Messages
.OpenTraceHandler_NoTraceType
);
140 // Get the editor_id from the extension point
141 String editorId
= fTrace
.getEditorId();
142 boolean usesEditor
= (editorId
!= null) && (editorId
.length() > 0);
145 trace
.initTrace(fTrace
.getName(), fTrace
.getLocation().getPath(), traceEvent
.getClass());
147 trace
.indexTrace(false);
148 } catch (FileNotFoundException e
) {
149 displayErrorMsg(Messages
.OpenTraceHandler_NoTrace
);
152 trace
.setResource(fTrace
.getResource());
154 IResource resource
= fTrace
.getResource();
156 if (resource
instanceof IFile
) {
157 file
= (IFile
) resource
;
158 } else if (resource
instanceof IFolder
){
160 IFile bookmarksFile
= fTrace
.getProject().getTracesFolder().getResource().getFile(BOOKMARKS_HIDDEN_FILE
);
161 if (!bookmarksFile
.exists()) {
162 InputStream source
= new ByteArrayInputStream(new byte[0]);
163 bookmarksFile
.create(source
, true, null);
165 bookmarksFile
.setHidden(true);
167 IFolder folder
= (IFolder
) resource
;
168 file
= folder
.getFile(fTrace
.getName() + '_');
169 if (!file
.exists()) {
170 file
.createLink(bookmarksFile
.getLocation(), IResource
.REPLACE
, null);
172 file
.setHidden(true);
174 file
.setPersistentProperty(TmfTraceElement
.TRACETYPE
, fTrace
.getTraceType());
176 file
.setPersistentProperty(TmfTraceElement
.TRACETYPE
, TmfTrace
.class.getCanonicalName());
178 } catch (CoreException e
) {
185 IEditorInput editorInput
= new TmfEditorInput(file
, trace
);
186 IWorkbench wb
= PlatformUI
.getWorkbench();
187 IWorkbenchPage activePage
= wb
.getActiveWorkbenchWindow().getActivePage();
189 IEditorPart editor
= activePage
.findEditor(new FileEditorInput(file
));
190 if ((editor
!= null) && (editor
instanceof IReusableEditor
)) {
191 activePage
.reuseEditor((IReusableEditor
) editor
, editorInput
);
192 activePage
.activate(editor
);
194 activePage
.openEditor(editorInput
, editorId
);
195 if (resource
instanceof IFile
) {
196 IDE
.setDefaultEditor((IFile
) resource
, editorId
);
199 } catch (PartInitException e
) {
203 // Create the experiment
204 ITmfTrace
[] traces
= new ITmfTrace
[] { trace
};
205 TmfExperiment experiment
= new TmfExperiment(traceEvent
.getClass(), fTrace
.getName(), traces
, trace
.getIndexPageSize());
206 experiment
.setBookmarksFile(file
);
208 TmfExperiment
.setCurrentExperiment(experiment
);
209 TmfSignalManager
.dispatchSignal(new TmfExperimentSelectedSignal(this, experiment
));
210 IDE
.setDefaultEditor(file
, EventsViewEditor
.ID
);
215 private void displayErrorMsg(String errorMsg
) {
216 MessageBox mb
= new MessageBox(PlatformUI
.getWorkbench().getActiveWorkbenchWindow().getShell());
217 mb
.setText(Messages
.OpenTraceHandler_Title
);
218 mb
.setMessage(errorMsg
);