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
;
18 import java
.util
.List
;
20 import org
.eclipse
.core
.commands
.AbstractHandler
;
21 import org
.eclipse
.core
.commands
.ExecutionEvent
;
22 import org
.eclipse
.core
.commands
.ExecutionException
;
23 import org
.eclipse
.core
.resources
.IFile
;
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
.TmfEvent
;
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
.ui
.editors
.EventsViewEditor
;
35 import org
.eclipse
.linuxtools
.tmf
.ui
.editors
.TmfEditorInput
;
36 import org
.eclipse
.linuxtools
.tmf
.ui
.editors
.TmfEventsEditor
;
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
.PlatformUI
;
48 import org
.eclipse
.ui
.ide
.IDE
;
49 import org
.eclipse
.ui
.part
.FileEditorInput
;
52 * <b><u>OpenExperimentHandler</u></b>
55 public class OpenExperimentHandler
extends AbstractHandler
{
57 private static final String BOOKMARKS_HIDDEN_FILE
= ".bookmarks"; //$NON-NLS-1$
59 private TmfExperimentElement fExperiment
= null;
61 // ------------------------------------------------------------------------
63 // ------------------------------------------------------------------------
66 public boolean isEnabled() {
68 // Check if we are closing down
69 IWorkbenchWindow window
= PlatformUI
.getWorkbench().getActiveWorkbenchWindow();
74 IWorkbenchPage page
= PlatformUI
.getWorkbench().getActiveWorkbenchWindow().getActivePage();
75 IWorkbenchPart part
= page
.getActivePart();
76 ISelectionProvider selectionProvider
= part
.getSite().getSelectionProvider();
77 if (selectionProvider
== null)
79 ISelection selection
= selectionProvider
.getSelection();
81 // Make sure there is only one selection and that it is an experiment
83 if (selection
instanceof TreeSelection
) {
84 TreeSelection sel
= (TreeSelection
) selection
;
85 // There should be only one item selected as per the plugin.xml
86 Object element
= sel
.getFirstElement();
87 if (element
instanceof TmfExperimentElement
) {
88 fExperiment
= (TmfExperimentElement
) element
;
92 // We only enable opening from the Traces folder for now
93 return (fExperiment
!= null);
96 // ------------------------------------------------------------------------
98 // ------------------------------------------------------------------------
100 @SuppressWarnings({ "rawtypes", "unchecked" })
102 public Object
execute(ExecutionEvent event
) throws ExecutionException
{
104 // Check if we are closing down
105 IWorkbenchWindow window
= PlatformUI
.getWorkbench().getActiveWorkbenchWindow();
110 IFile bookmarksFile
= fExperiment
.getProject().getExperimentsFolder().getResource().getFile(BOOKMARKS_HIDDEN_FILE
);
111 if (!bookmarksFile
.exists()) {
112 InputStream source
= new ByteArrayInputStream(new byte[0]);
113 bookmarksFile
.create(source
, true, null);
115 bookmarksFile
.setHidden(true);
117 IFile file
= fExperiment
.getResource().getFile(fExperiment
.getName() + '_');
118 if (!file
.exists()) {
119 file
.createLink(bookmarksFile
.getLocation(), IResource
.REPLACE
, null);
121 file
.setHidden(true);
122 file
.setPersistentProperty(TmfTraceElement
.TRACETYPE
, TmfExperiment
.class.getCanonicalName());
124 // Instantiate the experiment's traces
125 List
<TmfTraceElement
> traceEntries
= fExperiment
.getTraces();
126 int nbTraces
= traceEntries
.size();
127 int cacheSize
= Integer
.MAX_VALUE
;
128 boolean useEditor
= true;
129 String experimentEditorId
= null;
130 ITmfTrace
<?
>[] traces
= new ITmfTrace
[nbTraces
];
131 for (int i
= 0; i
< nbTraces
; i
++) {
132 TmfTraceElement element
= traceEntries
.get(i
);
133 ITmfTrace trace
= element
.instantiateTrace();
134 TmfEvent traceEvent
= element
.instantiateEvent();
135 if (trace
== null || traceEvent
== null) {
136 displayErrorMsg(Messages
.OpenExperimentHandler_NoTraceType
);
137 for (int j
= 0; j
< i
; j
++) {
143 trace
.initTrace(element
.getName(), element
.getLocation().getPath(), traceEvent
.getClass(), 0);
144 } catch (FileNotFoundException e
) {
145 displayErrorMsg(""); //$NON-NLS-1$
147 trace
.setResource(element
.getResource());
148 cacheSize
= Math
.min(cacheSize
, trace
.getCacheSize());
149 String editorId
= element
.getEditorId();
150 if (editorId
== null) {
152 experimentEditorId
= null;
153 } else if (useEditor
) {
154 if (experimentEditorId
== null) {
155 experimentEditorId
= editorId
;
156 } else if (!editorId
.equals(experimentEditorId
)) {
163 // Create the experiment
164 TmfExperiment experiment
= new TmfExperiment(TmfEvent
.class, fExperiment
.getName(), traces
, cacheSize
);
165 experiment
.setBookmarksFile(file
);
168 IEditorInput editorInput
= new TmfEditorInput(file
, experiment
);
169 IWorkbench wb
= PlatformUI
.getWorkbench();
170 IWorkbenchPage activePage
= wb
.getActiveWorkbenchWindow().getActivePage();
172 String editorId
= TmfEventsEditor
.ID
;
173 IEditorPart editor
= activePage
.findEditor(new FileEditorInput(file
));
174 if (editor
!= null && editor
instanceof IReusableEditor
) {
175 activePage
.reuseEditor((IReusableEditor
) editor
, editorInput
);
176 activePage
.activate(editor
);
178 activePage
.openEditor(editorInput
, editorId
);
180 experiment
.initTrace(null, null, null, 0);
181 experiment
.indexTrace(true);
182 IDE
.setDefaultEditor(file
, editorId
);
183 // editor should dispose the experiment on close
185 TmfExperiment
.setCurrentExperiment(experiment
);
186 TmfSignalManager
.dispatchSignal(new TmfExperimentSelectedSignal(this, experiment
));
187 IDE
.setDefaultEditor(file
, EventsViewEditor
.ID
);
189 } catch (CoreException e
) {
190 displayErrorMsg(e
.getMessage());
196 private void displayErrorMsg(String errorMsg
) {
197 MessageBox mb
= new MessageBox(PlatformUI
.getWorkbench().getActiveWorkbenchWindow().getShell());
198 mb
.setText(Messages
.OpenExperimentHandler_Title
);
199 mb
.setMessage(errorMsg
);