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12c155f5 | 1 | /******************************************************************************* |
b544077e | 2 | * Copyright (c) 2010, 2011, 2012 Ericsson |
12c155f5 FC |
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 | * Francois Chouinard - Initial API and implementation | |
11 | *******************************************************************************/ | |
12 | ||
13 | package org.eclipse.linuxtools.tmf.ui.project.model; | |
14 | ||
15 | import java.util.ArrayList; | |
16 | import java.util.HashMap; | |
17 | import java.util.List; | |
18 | import java.util.Map; | |
19 | import java.util.Set; | |
20 | ||
21 | import org.eclipse.core.resources.IFolder; | |
22 | import org.eclipse.core.resources.IProject; | |
23 | import org.eclipse.core.resources.IResource; | |
24 | import org.eclipse.core.runtime.CoreException; | |
25 | import org.eclipse.jface.viewers.Viewer; | |
26 | import org.eclipse.ui.IMemento; | |
27 | import org.eclipse.ui.navigator.ICommonContentExtensionSite; | |
28 | import org.eclipse.ui.navigator.ICommonContentProvider; | |
29 | import org.eclipse.ui.navigator.IPipelinedTreeContentProvider; | |
30 | import org.eclipse.ui.navigator.PipelinedShapeModification; | |
31 | import org.eclipse.ui.navigator.PipelinedViewerUpdate; | |
32 | ||
33 | /** | |
b544077e | 34 | * The TMF project content provider for the tree viewer in the project explorer view. |
12c155f5 | 35 | * <p> |
b544077e BH |
36 | * @version 1.0 |
37 | * @author Francois Chouinard | |
12c155f5 FC |
38 | */ |
39 | public class TmfNavigatorContentProvider implements ICommonContentProvider, IPipelinedTreeContentProvider { | |
40 | ||
41 | // ------------------------------------------------------------------------ | |
42 | // ICommonContentProvider | |
43 | // ------------------------------------------------------------------------ | |
b544077e BH |
44 | /* |
45 | * (non-Javadoc) | |
46 | * @see org.eclipse.jface.viewers.ITreeContentProvider#getElements(java.lang.Object) | |
47 | */ | |
12c155f5 FC |
48 | @Override |
49 | public Object[] getElements(Object inputElement) { | |
50 | return null; | |
51 | } | |
52 | ||
b544077e BH |
53 | /* |
54 | * (non-Javadoc) | |
55 | * @see org.eclipse.jface.viewers.ITreeContentProvider#getParent(java.lang.Object) | |
56 | */ | |
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57 | @Override |
58 | public Object getParent(Object element) { | |
59 | return null; | |
60 | } | |
61 | ||
b544077e BH |
62 | /* |
63 | * (non-Javadoc) | |
64 | * @see org.eclipse.jface.viewers.ITreeContentProvider#hasChildren(java.lang.Object) | |
65 | */ | |
12c155f5 FC |
66 | @Override |
67 | public boolean hasChildren(Object element) { | |
68 | if (element instanceof IProject) { | |
69 | IProject project = (IProject) element; | |
70 | return project.isAccessible(); | |
71 | } | |
72 | if (element instanceof TmfTraceFolder) { | |
73 | TmfTraceFolder folder = (TmfTraceFolder) element; | |
74 | return folder.hasChildren(); | |
75 | } | |
76 | if (element instanceof TmfExperimentFolder) { | |
77 | TmfExperimentFolder folder = (TmfExperimentFolder) element; | |
78 | return folder.hasChildren(); | |
79 | } | |
80 | if (element instanceof TmfExperimentElement) { | |
81 | TmfExperimentElement folder = (TmfExperimentElement) element; | |
82 | return folder.hasChildren(); | |
83 | } | |
84 | return false; | |
85 | } | |
86 | ||
b544077e BH |
87 | /* |
88 | * (non-Javadoc) | |
89 | * @see org.eclipse.jface.viewers.IContentProvider#dispose() | |
90 | */ | |
12c155f5 FC |
91 | @Override |
92 | public void dispose() { | |
93 | } | |
94 | ||
b544077e BH |
95 | /* |
96 | * (non-Javadoc) | |
97 | * @see org.eclipse.jface.viewers.IContentProvider#inputChanged(org.eclipse.jface.viewers.Viewer, java.lang.Object, java.lang.Object) | |
98 | */ | |
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99 | @Override |
100 | public void inputChanged(Viewer viewer, Object oldInput, Object newInput) { | |
101 | } | |
b544077e BH |
102 | |
103 | /* | |
104 | * (non-Javadoc) | |
105 | * @see org.eclipse.ui.navigator.IMementoAware#restoreState(org.eclipse.ui.IMemento) | |
106 | */ | |
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107 | @Override |
108 | public void restoreState(IMemento aMemento) { | |
109 | } | |
b544077e BH |
110 | |
111 | /* | |
112 | * (non-Javadoc) | |
113 | * @see org.eclipse.ui.navigator.IMementoAware#saveState(org.eclipse.ui.IMemento) | |
114 | */ | |
12c155f5 FC |
115 | @Override |
116 | public void saveState(IMemento aMemento) { | |
117 | } | |
118 | ||
b544077e BH |
119 | /* |
120 | * (non-Javadoc) | |
121 | * @see org.eclipse.ui.navigator.ICommonContentProvider#init(org.eclipse.ui.navigator.ICommonContentExtensionSite) | |
122 | */ | |
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123 | @Override |
124 | public void init(ICommonContentExtensionSite aConfig) { | |
125 | } | |
126 | ||
127 | // ------------------------------------------------------------------------ | |
128 | // ICommonContentProvider - getChildren() | |
129 | // ------------------------------------------------------------------------ | |
b544077e BH |
130 | /* |
131 | * (non-Javadoc) | |
132 | * @see org.eclipse.jface.viewers.ITreeContentProvider#getChildren(java.lang.Object) | |
133 | */ | |
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134 | @Override |
135 | public synchronized Object[] getChildren(Object parentElement) { | |
136 | ||
137 | // Tracing project level | |
138 | if (parentElement instanceof IProject) { | |
139 | return getProjectChildren((IProject) parentElement); | |
140 | } | |
141 | ||
142 | // Traces "folder" level | |
143 | if (parentElement instanceof TmfTraceFolder) { | |
144 | return getTraceFolderChildren((TmfTraceFolder) parentElement); | |
145 | } | |
146 | ||
147 | // Experiments "folder" level | |
148 | if (parentElement instanceof TmfExperimentFolder) { | |
149 | return getExperimentFolderChildren((TmfExperimentFolder) parentElement); | |
150 | } | |
151 | ||
152 | // Experiment | |
153 | if (parentElement instanceof TmfExperimentElement) { | |
154 | return getExperimentChildren((TmfExperimentElement) parentElement); | |
155 | } | |
156 | ||
157 | return new Object[0]; | |
158 | } | |
159 | ||
b544077e BH |
160 | // ------------------------------------------------------------------------ |
161 | // Helper method | |
162 | // ------------------------------------------------------------------------ | |
12c155f5 FC |
163 | private Object[] getProjectChildren(IProject project) { |
164 | // The children structure | |
165 | List<Object> children = new ArrayList<Object>(); | |
166 | ||
167 | // Get the children from the model | |
168 | Map<String, ITmfProjectModelElement> childrenMap = new HashMap<String, ITmfProjectModelElement>(); | |
828e5592 | 169 | TmfProjectElement tmfProject = TmfProjectRegistry.getProject(project, true); |
12c155f5 FC |
170 | for (ITmfProjectModelElement element : tmfProject.getChildren()) { |
171 | if (element instanceof TmfTraceFolder) { | |
172 | TmfTraceFolder child = (TmfTraceFolder) element; | |
173 | childrenMap.put(child.getResource().getName(), child); | |
174 | } | |
175 | if (element instanceof TmfExperimentFolder) { | |
176 | TmfExperimentFolder child = (TmfExperimentFolder) element; | |
177 | childrenMap.put(child.getResource().getName(), child); | |
178 | } | |
179 | } | |
180 | ||
181 | // Add the model folder if the corresponding resource exists and is not | |
182 | // accounted for | |
183 | IFolder folder = project.getFolder(TmfTraceFolder.TRACE_FOLDER_NAME); | |
184 | if (folder != null) { | |
185 | String name = folder.getName(); | |
186 | ITmfProjectModelElement element = childrenMap.get(name); | |
187 | if (element == null) { | |
188 | element = new TmfTraceFolder(TmfTraceFolder.TRACE_FOLDER_NAME, folder, tmfProject); | |
189 | } | |
190 | children.add(element); | |
191 | childrenMap.remove(name); | |
192 | getTraceFolderChildren((TmfTraceFolder) element); | |
193 | } | |
194 | ||
195 | // Add the model folder if the corresponding resource exists and is not | |
196 | // accounted for | |
197 | folder = project.getFolder(TmfExperimentFolder.EXPER_FOLDER_NAME); | |
198 | if (folder != null) { | |
199 | String name = folder.getName(); | |
200 | ITmfProjectModelElement element = childrenMap.get(name); | |
201 | if (element == null) { | |
202 | element = new TmfExperimentFolder(TmfExperimentFolder.EXPER_FOLDER_NAME, folder, tmfProject); | |
203 | } | |
204 | children.add(element); | |
205 | childrenMap.remove(name); | |
206 | getExperimentFolderChildren((TmfExperimentFolder) element); | |
207 | } | |
208 | ||
209 | // Remove the leftovers (what was in the model but removed from the | |
210 | // project) | |
211 | cleanupModel(tmfProject, childrenMap); | |
212 | ||
213 | return children.toArray(); | |
214 | } | |
215 | ||
216 | private Object[] getTraceFolderChildren(TmfTraceFolder tmfTraceFolder) { | |
217 | // The children structure | |
218 | List<Object> children = new ArrayList<Object>(); | |
219 | ||
220 | // Get the children from the model | |
221 | Map<String, ITmfProjectModelElement> childrenMap = new HashMap<String, ITmfProjectModelElement>(); | |
222 | for (ITmfProjectModelElement element : tmfTraceFolder.getChildren()) { | |
223 | if (element instanceof TmfTraceElement) { | |
224 | String name = element.getResource().getName(); | |
225 | childrenMap.put(name, element); | |
226 | } | |
227 | } | |
228 | ||
229 | IFolder folder = tmfTraceFolder.getResource(); | |
230 | try { | |
231 | IResource[] members = folder.members(); | |
232 | for (IResource resource : members) { | |
233 | String name = resource.getName(); | |
234 | ITmfProjectModelElement trace = childrenMap.get(name); | |
e12ecd30 BH |
235 | if (trace == null) { |
236 | trace = new TmfTraceElement(name, resource, tmfTraceFolder); | |
12c155f5 | 237 | } |
e12ecd30 | 238 | children.add(trace); |
12c155f5 FC |
239 | childrenMap.remove(name); |
240 | } | |
241 | } catch (CoreException e) { | |
242 | } | |
243 | ||
244 | // Remove the leftovers (what was in the model but removed from the | |
245 | // project) | |
246 | cleanupModel(tmfTraceFolder, childrenMap); | |
247 | ||
248 | return children.toArray(); | |
249 | } | |
250 | ||
251 | private Object[] getExperimentFolderChildren(TmfExperimentFolder tmfExperimentFolder) { | |
252 | // The children structure | |
253 | List<Object> children = new ArrayList<Object>(); | |
254 | ||
255 | // Get the children from the model | |
256 | Map<String, ITmfProjectModelElement> childrenMap = new HashMap<String, ITmfProjectModelElement>(); | |
257 | for (ITmfProjectModelElement element : tmfExperimentFolder.getChildren()) { | |
258 | if (element instanceof TmfExperimentElement) { | |
259 | String name = element.getResource().getName(); | |
260 | childrenMap.put(name, element); | |
261 | } | |
262 | } | |
263 | ||
264 | IFolder folder = tmfExperimentFolder.getResource(); | |
265 | try { | |
266 | IResource[] members = folder.members(); | |
267 | for (IResource resource : members) { | |
268 | if (resource instanceof IFolder) { | |
269 | IFolder expFolder = (IFolder) resource; | |
270 | String name = resource.getName(); | |
271 | ITmfProjectModelElement experiment = childrenMap.get(name); | |
272 | if (experiment == null) { | |
273 | experiment = new TmfExperimentElement(name, expFolder, tmfExperimentFolder); | |
274 | } | |
275 | children.add(experiment); | |
276 | childrenMap.remove(name); | |
277 | getExperimentChildren((TmfExperimentElement) experiment); | |
278 | } | |
279 | } | |
280 | } catch (CoreException e) { | |
281 | } | |
282 | ||
283 | // Remove the leftovers (what was in the model but removed from the | |
284 | // project) | |
285 | cleanupModel(tmfExperimentFolder, childrenMap); | |
286 | ||
287 | return children.toArray(); | |
288 | } | |
289 | ||
290 | private Object[] getExperimentChildren(TmfExperimentElement tmfExperiment) { | |
291 | // The children structure | |
292 | List<Object> children = new ArrayList<Object>(); | |
293 | ||
294 | // Get the children from the model | |
295 | Map<String, ITmfProjectModelElement> childrenMap = new HashMap<String, ITmfProjectModelElement>(); | |
296 | for (ITmfProjectModelElement element : tmfExperiment.getChildren()) { | |
297 | if (element instanceof TmfTraceElement) { | |
298 | String name = element.getResource().getName(); | |
299 | childrenMap.put(name, element); | |
300 | } | |
301 | } | |
302 | ||
303 | IFolder folder = tmfExperiment.getResource(); | |
304 | try { | |
305 | IResource[] members = folder.members(); | |
306 | for (IResource resource : members) { | |
307 | String name = resource.getName(); | |
308 | ITmfProjectModelElement trace = childrenMap.get(name); | |
828e5592 PT |
309 | if (trace == null && !resource.isHidden()) { |
310 | // exclude hidden resources (e.g. bookmarks file) | |
12c155f5 FC |
311 | trace = new TmfTraceElement(name, resource, tmfExperiment); |
312 | } | |
313 | children.add(trace); | |
314 | childrenMap.remove(name); | |
315 | } | |
316 | } catch (CoreException e) { | |
317 | } | |
318 | ||
319 | // Remove the leftovers (what was in the model but removed from the | |
320 | // project) | |
321 | cleanupModel(tmfExperiment, childrenMap); | |
322 | ||
323 | return children.toArray(); | |
324 | } | |
325 | ||
326 | private void cleanupModel(ITmfProjectModelElement parent, Map<String, ITmfProjectModelElement> danglingChildren) { | |
327 | if (parent != null) { | |
328 | for (ITmfProjectModelElement child : danglingChildren.values()) { | |
329 | Map<String, ITmfProjectModelElement> grandChildren = new HashMap<String, ITmfProjectModelElement>(); | |
330 | for (ITmfProjectModelElement element : child.getChildren()) { | |
331 | String name = element.getResource().getName(); | |
332 | grandChildren.put(name, element); | |
333 | } | |
334 | cleanupModel(child, grandChildren); | |
335 | parent.removeChild(child); | |
336 | } | |
337 | } | |
338 | } | |
339 | ||
340 | // ------------------------------------------------------------------------ | |
341 | // IPipelinedTreeContentProvider | |
342 | // ------------------------------------------------------------------------ | |
343 | ||
b544077e BH |
344 | /* |
345 | * (non-Javadoc) | |
346 | * @see org.eclipse.ui.navigator.IPipelinedTreeContentProvider#getPipelinedChildren(java.lang.Object, java.util.Set) | |
347 | */ | |
12c155f5 FC |
348 | @Override |
349 | @SuppressWarnings({ "rawtypes", "unchecked" }) | |
350 | public void getPipelinedChildren(Object parent, Set currentChildren) { | |
351 | customizeTmfElements(getChildren(parent), currentChildren); | |
352 | } | |
353 | ||
b544077e BH |
354 | /* |
355 | * (non-Javadoc) | |
356 | * @see org.eclipse.ui.navigator.IPipelinedTreeContentProvider#getPipelinedElements(java.lang.Object, java.util.Set) | |
357 | */ | |
12c155f5 FC |
358 | @Override |
359 | @SuppressWarnings({ "rawtypes", "unchecked" }) | |
360 | public void getPipelinedElements(Object input, Set currentElements) { | |
361 | customizeTmfElements(getElements(input), currentElements); | |
362 | } | |
363 | ||
364 | /** | |
365 | * Add/replace the ITmfProjectElement to the list of children | |
366 | * | |
367 | * @param elements | |
368 | * the list returned by getChildren() | |
369 | * @param children | |
370 | * the current children | |
371 | */ | |
372 | private void customizeTmfElements(Object[] elements, Set<Object> children) { | |
373 | if (elements != null && children != null) { | |
374 | for (Object element : elements) { | |
375 | if (element instanceof ITmfProjectModelElement) { | |
376 | ITmfProjectModelElement tmfElement = (ITmfProjectModelElement) element; | |
377 | IResource resource = tmfElement.getResource(); | |
378 | if (resource != null) { | |
379 | children.remove(resource); | |
380 | } | |
381 | children.add(element); | |
382 | } | |
383 | else if (element != null) { | |
384 | children.add(element); | |
385 | } | |
386 | } | |
387 | } | |
388 | } | |
389 | ||
b544077e BH |
390 | /* |
391 | * (non-Javadoc) | |
392 | * @see org.eclipse.ui.navigator.IPipelinedTreeContentProvider#getPipelinedParent(java.lang.Object, java.lang.Object) | |
393 | */ | |
12c155f5 FC |
394 | @Override |
395 | public Object getPipelinedParent(Object anObject, Object aSuggestedParent) { | |
bfa12ff0 | 396 | return aSuggestedParent; |
12c155f5 FC |
397 | } |
398 | ||
b544077e BH |
399 | /* |
400 | * (non-Javadoc) | |
401 | * @see org.eclipse.ui.navigator.IPipelinedTreeContentProvider#interceptAdd(org.eclipse.ui.navigator.PipelinedShapeModification) | |
402 | */ | |
12c155f5 FC |
403 | @Override |
404 | public PipelinedShapeModification interceptAdd(PipelinedShapeModification anAddModification) { | |
bfa12ff0 | 405 | return anAddModification; |
12c155f5 FC |
406 | } |
407 | ||
b544077e BH |
408 | /* |
409 | * (non-Javadoc) | |
410 | * @see org.eclipse.ui.navigator.IPipelinedTreeContentProvider#interceptRemove(org.eclipse.ui.navigator.PipelinedShapeModification) | |
411 | */ | |
12c155f5 FC |
412 | @Override |
413 | public PipelinedShapeModification interceptRemove(PipelinedShapeModification aRemoveModification) { | |
414 | return null; | |
415 | } | |
416 | ||
b544077e BH |
417 | /* |
418 | * (non-Javadoc) | |
419 | * @see org.eclipse.ui.navigator.IPipelinedTreeContentProvider#interceptRefresh(org.eclipse.ui.navigator.PipelinedViewerUpdate) | |
420 | */ | |
12c155f5 FC |
421 | @Override |
422 | public boolean interceptRefresh(PipelinedViewerUpdate aRefreshSynchronization) { | |
423 | return false; | |
424 | } | |
425 | ||
b544077e BH |
426 | /* |
427 | * (non-Javadoc) | |
428 | * @see org.eclipse.ui.navigator.IPipelinedTreeContentProvider#interceptUpdate(org.eclipse.ui.navigator.PipelinedViewerUpdate) | |
429 | */ | |
12c155f5 FC |
430 | @Override |
431 | public boolean interceptUpdate(PipelinedViewerUpdate anUpdateSynchronization) { | |
432 | return false; | |
433 | } | |
12c155f5 | 434 | } |