1 | package de.uka.ipd.sdq.featureinstance; |
2 | |
3 | import java.io.IOException; |
4 | import java.lang.reflect.InvocationTargetException; |
5 | import java.util.Collections; |
6 | import java.util.HashMap; |
7 | import java.util.LinkedList; |
8 | import java.util.List; |
9 | import java.util.Map; |
10 | |
11 | import org.eclipse.core.runtime.IProgressMonitor; |
12 | import org.eclipse.core.runtime.NullProgressMonitor; |
13 | import org.eclipse.emf.common.command.BasicCommandStack; |
14 | import org.eclipse.emf.common.util.EList; |
15 | import org.eclipse.emf.common.util.URI; |
16 | import org.eclipse.emf.ecore.resource.Resource; |
17 | import org.eclipse.emf.edit.domain.AdapterFactoryEditingDomain; |
18 | import org.eclipse.jface.dialogs.ProgressMonitorDialog; |
19 | import org.eclipse.jface.viewers.CheckStateChangedEvent; |
20 | import org.eclipse.jface.viewers.CheckboxTreeViewer; |
21 | import org.eclipse.jface.viewers.ICheckStateListener; |
22 | import org.eclipse.jface.viewers.TreeViewer; |
23 | import org.eclipse.swt.widgets.Composite; |
24 | import org.eclipse.ui.actions.WorkspaceModifyOperation; |
25 | import org.eclipse.ui.views.contentoutline.IContentOutlinePage; |
26 | import org.eclipse.ui.views.properties.PropertySheetPage; |
27 | |
28 | import de.uka.ipd.sdq.dialogs.error.ErrorDisplayDialog; |
29 | import de.uka.ipd.sdq.featureconfig.ConfigNode; |
30 | import de.uka.ipd.sdq.featureconfig.ConfigState; |
31 | import de.uka.ipd.sdq.featureconfig.Configuration; |
32 | import de.uka.ipd.sdq.featureconfig.FeatureConfig; |
33 | import de.uka.ipd.sdq.featureconfig.impl.featureconfigFactoryImpl; |
34 | import de.uka.ipd.sdq.featuremodel.Feature; |
35 | import de.uka.ipd.sdq.featuremodel.FeatureDiagram; |
36 | import de.uka.ipd.sdq.featuremodel.FeatureGroup; |
37 | |
38 | public class FeatureConfigWidget { |
39 | |
40 | private Composite parent; |
41 | private String sourceInput; |
42 | private String targetInput; |
43 | protected AdapterFactoryEditingDomain editingDomain; |
44 | protected CheckboxTreeViewer treeViewer; |
45 | protected PropertySheetPage propertySheetPage; |
46 | protected ICheckStateListener listener; |
47 | protected Resource resource; |
48 | protected FeatureDiagram featureDiagram; |
49 | protected Object root; |
50 | protected TreeViewer contentOutlineViewer; |
51 | protected IContentOutlinePage contentOutlinePage; |
52 | protected boolean dirtyFlag = false; |
53 | protected FeatureConfig defaultConfig; |
54 | protected FeatureConfig overridesConfig; |
55 | private List<ICheckStateListener> checkStateListeners; |
56 | private String errorMessage; |
57 | private InstanceValidateAction validateAction; |
58 | private FeatureConfigFunctionality functions; |
59 | |
60 | public FeatureConfigWidget(Composite parent) { |
61 | this.parent = parent; |
62 | checkStateListeners = new LinkedList<ICheckStateListener>(); |
63 | validateAction = new InstanceValidateAction(); |
64 | |
65 | functions = new FeatureConfigFunctionality(); |
66 | editingDomain = functions.initializeEditingDomain(); |
67 | } |
68 | |
69 | public void setSourceInput(String sourceInput) { |
70 | this.sourceInput = sourceInput; |
71 | } |
72 | |
73 | public void setTargetInput(String targetInput) { |
74 | this.targetInput = targetInput; |
75 | } |
76 | |
77 | public void validate () { |
78 | validateAction.setConfiguration(functions.getConfiguration(resource)); |
79 | validateAction.setShell(parent.getShell()); |
80 | validateAction.run(); |
81 | } |
82 | |
83 | public boolean createPages() { |
84 | boolean valid = checkValid(); |
85 | if (valid) { |
86 | createResource(); |
87 | |
88 | if (resource == null) { |
89 | errorMessage = "Resource couldn't be loaded"; |
90 | return false; |
91 | } |
92 | |
93 | return createEditor(); |
94 | } else { |
95 | return false; |
96 | } |
97 | } |
98 | |
99 | /** |
100 | * Creates the editor layout and content |
101 | */ |
102 | protected boolean createEditor() { |
103 | // handles the different cases of opened files and model/configuration |
104 | // cases |
105 | boolean valid = handleConfigCases(); |
106 | |
107 | if (featureDiagram != null && overridesConfig != null && valid) { |
108 | |
109 | createViewer(featureDiagram); |
110 | // //set the needed attributes for the validation in the |
111 | // actionBarContributor |
112 | // EditingDomainActionBarContributor contrib = |
113 | // getActionBarContributor(); |
114 | // if (contrib instanceof FeatureModelInstanceContributor) { |
115 | // ((FeatureModelInstanceContributor)contrib).setConfiguration(getConfiguration(resource)); |
116 | // ((FeatureModelInstanceContributor)contrib).setShell(getContainer().getShell()); |
117 | // } |
118 | return valid; |
119 | // |
120 | } else { |
121 | errorMessage = "FeatureDiagram couldn't be referenced"; |
122 | return false; |
123 | } |
124 | } |
125 | |
126 | /** |
127 | * Handles the different cases for a loaded *.featureconfig-resource |
128 | * http://sdqweb.ipd.uka.de/mediawiki/images/6/61/Check_Cases.png |
129 | * |
130 | * @param resource |
131 | * The resource in which the configuration object should be |
132 | * stored |
133 | * @return The resource object which stores the (prop. new) overrides config |
134 | * object |
135 | */ |
136 | private boolean handleConfigCases() { |
137 | |
138 | // Check if featureconfig file is valid (Configuration object can be |
139 | // referenced) |
140 | Configuration configuration = functions.getConfiguration(resource); |
141 | |
142 | EList<FeatureConfig> tempOverrides = configuration.getConfigOverrides(); |
143 | FeatureConfig tempDefault = configuration.getDefaultConfig(); |
144 | |
145 | // Both FeatureConfigs are null |
146 | if ((tempOverrides == null || tempOverrides.isEmpty()) |
147 | && tempDefault == null) { |
148 | errorMessage = "Model contains no FeatureConfig object"; |
149 | return false; |
150 | } else if (tempOverrides == null && tempDefault != null) { // default |
151 | // exists |
152 | EList<ConfigNode> configList = tempDefault.getConfignode(); |
153 | |
154 | if (!configList.isEmpty()) { |
155 | // Try to reference the Feature Diagram object and create a new |
156 | // overrides from it |
157 | featureDiagram = functions.navigateToFeatureDiagram((Feature) configList |
158 | .iterator().next().getOrigin(), editingDomain); |
159 | |
160 | // start wizard an ask for a new file location |
161 | // *.featureconfig with only a default config shall only be used |
162 | // as template |
163 | URI newResourceURI = URI.createPlatformResourceURI(targetInput, |
164 | true); |
165 | createNewConfigResource(newResourceURI, featureDiagram, |
166 | tempDefault); |
167 | } else { |
168 | errorMessage = "FeatureConfig objects are empty"; |
169 | return false; |
170 | } |
171 | } else if (tempOverrides != null && !tempOverrides.isEmpty() |
172 | && tempDefault == null) { |
173 | FeatureConfig featureConfig = tempOverrides.get(0); // assumption: |
174 | // only one |
175 | // feature |
176 | // diagram |
177 | // present |
178 | EList<ConfigNode> configList = featureConfig.getConfignode(); |
179 | |
180 | // Try to reference the Feature Diagram object |
181 | if (!configList.isEmpty()) { |
182 | featureDiagram = functions.navigateToFeatureDiagram((Feature) configList |
183 | .iterator().next().getOrigin(), editingDomain); |
184 | overridesConfig = featureConfig; |
185 | URI newResourceURI = URI.createPlatformResourceURI(targetInput, |
186 | true); |
187 | doSaveAs(newResourceURI); |
188 | } else { |
189 | errorMessage = "FeatureConfig objects are empty"; |
190 | return false; |
191 | } |
192 | } else { |
193 | // both configs are present |
194 | boolean configPresent = false; |
195 | EList<ConfigNode> configList; |
196 | |
197 | // Check for OverridesConfig |
198 | if (!tempOverrides.isEmpty()) { |
199 | FeatureConfig featureConfig = tempOverrides.get(0); // assumption: |
200 | // only one |
201 | // feature |
202 | // diagram |
203 | // present |
204 | configList = featureConfig.getConfignode(); |
205 | |
206 | // Try to reference the Feature Diagram object |
207 | if (!(configList.isEmpty())) { |
208 | featureDiagram = functions.navigateToFeatureDiagram((Feature) configList |
209 | .iterator().next().getOrigin(), editingDomain); |
210 | overridesConfig = featureConfig; |
211 | configPresent = true; |
212 | } |
213 | } |
214 | |
215 | // Check for DefaultConfig |
216 | configList = tempDefault.getConfignode(); |
217 | |
218 | if (!(configList.isEmpty())) { |
219 | // if the feature diagram is already referenced, just save the |
220 | // default config |
221 | if (configPresent) { |
222 | defaultConfig = tempDefault; |
223 | URI newResourceURI = URI.createPlatformResourceURI( |
224 | targetInput, true); |
225 | doSaveAs(newResourceURI); |
226 | } |
227 | // else, try to reference the feature config object by using the |
228 | // default config |
229 | // and ask for new save location (see case that only a default |
230 | // config is present) |
231 | else { |
232 | featureDiagram = functions.navigateToFeatureDiagram((Feature) configList |
233 | .iterator().next().getOrigin(), editingDomain); |
234 | URI newResourceURI = URI.createPlatformResourceURI( |
235 | targetInput, true); |
236 | createNewConfigResource(newResourceURI, featureDiagram, |
237 | tempDefault); |
238 | } |
239 | } else { |
240 | if (configPresent) { |
241 | URI newResourceURI = URI.createPlatformResourceURI( |
242 | targetInput, true); |
243 | doSaveAs(newResourceURI); |
244 | } else { |
245 | errorMessage = "FeatureConfig objects are empty"; |
246 | return false; |
247 | } |
248 | } |
249 | } |
250 | return true; |
251 | } |
252 | |
253 | /** |
254 | * Creates a treeViewer of the given FeatureDiagram |
255 | * |
256 | * @param root |
257 | * The FeatureDiagram-object which shall be displayed |
258 | */ |
259 | public void createViewer(FeatureDiagram root) { |
260 | if (treeViewer == null) { |
261 | treeViewer = new CheckboxTreeViewer(parent); |
262 | treeViewer.setContentProvider(new TreeContentProvider()); |
263 | treeViewer.setLabelProvider(new TreeLabelProvider()); |
264 | |
265 | for (ICheckStateListener currentListener : checkStateListeners) { |
266 | treeViewer.addCheckStateListener(currentListener); |
267 | } |
268 | } |
269 | treeViewer.setInput(root); |
270 | treeViewer.expandAll(); |
271 | |
272 | if (root != null) { |
273 | treeViewer.setGrayed(root.getRootFeature(), true); |
274 | |
275 | // Gray FeatureGroups |
276 | Feature curRoot = root.getRootFeature(); |
277 | functions.grayFeatureGroups(curRoot.getChildrelation(), treeViewer); |
278 | } |
279 | |
280 | if (defaultConfig != null) { |
281 | functions.markDefaultConfig(defaultConfig,treeViewer); |
282 | } |
283 | if (overridesConfig != null) { |
284 | functions.markOverridesConfig(overridesConfig,treeViewer); |
285 | } |
286 | |
287 | listener = new ICheckStateListener() { |
288 | public void checkStateChanged(CheckStateChangedEvent event) { |
289 | |
290 | // make FeatureGroups readonly |
291 | if (event.getElement() instanceof FeatureGroup) { |
292 | treeViewer.setChecked(event.getElement(), !(event |
293 | .getChecked())); |
294 | } else { |
295 | Object parent = editingDomain.getParent(event.getElement()); |
296 | |
297 | // automatically unchecks Feature again, if its a mandatory |
298 | // Feature and the parent node is selected |
299 | if ((event.getElement() instanceof Feature)) { |
300 | |
301 | if ((functions.checkMandatory((Feature) event.getElement(), editingDomain))) { |
302 | treeViewer.setChecked(event.getElement(), true); |
303 | functions.uncheckInModel((Feature)event.getElement(), true, overridesConfig); |
304 | } |
305 | // check if node is NOT the root node |
306 | else if (parent != null && !(parent instanceof FeatureDiagram)) { |
307 | if (treeViewer.getGrayed(event.getElement())) { |
308 | treeViewer.setGrayed(event.getElement(), false); |
309 | } |
310 | |
311 | // check/uncheck recursively |
312 | if (event.getChecked()) { |
313 | functions.uncheckInModel((Feature) event.getElement(), true, overridesConfig); |
314 | functions.checkParents(event.getElement(),treeViewer,overridesConfig,editingDomain); |
315 | } else { |
316 | functions.uncheckInModel((Feature) event.getElement(), false, overridesConfig); |
317 | functions.uncheckParents(event.getElement(),treeViewer,overridesConfig,editingDomain); |
318 | } |
319 | } |
320 | // make root node readonly |
321 | else { |
322 | treeViewer.setChecked(event.getElement(), !(event |
323 | .getChecked())); |
324 | } |
325 | dirtyFlag = true; |
326 | } |
327 | } |
328 | } |
329 | }; |
330 | |
331 | treeViewer.addCheckStateListener(listener); |
332 | // createContextMenuFor(treeViewer); |
333 | |
334 | // Selects all mandatory Features |
335 | if (root != null) { |
336 | Feature curRoot = root.getRootFeature(); |
337 | functions.selectMandatoryFeatures(curRoot.getChildrelation(), treeViewer, overridesConfig); |
338 | } |
339 | } |
340 | |
341 | /** |
342 | * Loads the resource-object through the editingDomain |
343 | */ |
344 | protected void createResource() { |
345 | URI resourceURI = URI.createPlatformResourceURI(sourceInput, true); |
346 | |
347 | // Try to load the resource through the editingDomain. |
348 | resource = null; |
349 | try { |
350 | resource = editingDomain.getResourceSet().getResource(resourceURI, |
351 | true); |
352 | } catch (Exception e) { |
353 | resource = editingDomain.getResourceSet().getResource(resourceURI, |
354 | false); |
355 | } |
356 | } |
357 | |
358 | // /** |
359 | // * <!-- begin-user-doc --> |
360 | // * <!-- end-user-doc --> |
361 | // * @generated |
362 | // */ |
363 | // public EditingDomainActionBarContributor getActionBarContributor() { |
364 | // return |
365 | // (EditingDomainActionBarContributor)getEditorSite().getActionBarContributor(); |
366 | // } |
367 | |
368 | /** |
369 | * Creates a new Configuration-Resource with the given newResourceURI |
370 | * corresponding to the given featureDiagram Overrides the old |
371 | * (*.featuremodel) resource-object |
372 | * |
373 | * @param newResourceURI |
374 | * The URI for the new Resource |
375 | * @param featureDiagram |
376 | * A FeatureDiagram-object to which the new Configuration should |
377 | * reference |
378 | * @param defaultRef |
379 | * A reference to the defaultConfig object or null, if none |
380 | * exists |
381 | */ |
382 | protected void createNewConfigResource(URI newResourceURI, |
383 | FeatureDiagram featureDiagram, FeatureConfig defaultRef) { |
384 | if (newResourceURI == null) { |
385 | throw new NullPointerException("No Config file stored in resource!"); |
386 | } else { |
387 | // Create new featureconfig-resource and change current resource |
388 | resource = resource.getResourceSet().createResource(newResourceURI); |
389 | |
390 | featureconfigFactoryImpl factory = new featureconfigFactoryImpl(); |
391 | Configuration newConfig = factory.createConfiguration(); |
392 | newConfig.setName(featureDiagram.getName() + "_config"); |
393 | |
394 | FeatureConfig newOverrides = factory.createFeatureConfig(); |
395 | newConfig.getConfigOverrides().add(newOverrides); |
396 | |
397 | // set reference to default |
398 | if (defaultRef == null) { |
399 | defaultRef = factory.createFeatureConfig(); |
400 | } |
401 | newConfig.setDefaultConfig(defaultRef); |
402 | |
403 | ConfigNode rootConfigNode = factory.createConfigNode(); |
404 | rootConfigNode.setConfigState(ConfigState.ELIMINATED); |
405 | rootConfigNode.setOrigin((Feature) (featureDiagram) |
406 | .getRootFeature()); |
407 | |
408 | newOverrides.getConfignode().add(rootConfigNode); |
409 | |
410 | resource.getContents().add(newConfig); |
411 | |
412 | defaultConfig = defaultRef; |
413 | overridesConfig = newOverrides; |
414 | |
415 | try { |
416 | resource.load(Collections.EMPTY_MAP); |
417 | resource.save(Collections.EMPTY_MAP); |
418 | } catch (IOException e) { |
419 | ErrorDisplayDialog errord = new ErrorDisplayDialog(parent |
420 | .getShell(), new Throwable( |
421 | "Could not load or save the Resource!")); |
422 | errord.open(); |
423 | } |
424 | } |
425 | } |
426 | |
427 | /** |
428 | * Handles the different file types for the loaded resource. |
429 | * |
430 | * @param fileExtension |
431 | * The file extension of the loaded resource |
432 | * @param path |
433 | * The complete path to the file including the fileName |
434 | * @param fileName |
435 | * The filename |
436 | */ |
437 | private boolean checkValid() { |
438 | if (sourceInput == null || targetInput == null |
439 | || !sourceInput.endsWith(".featureconfig") |
440 | || !targetInput.endsWith(".featureconfig")) { |
441 | errorMessage = "Empty Source/Target file or wrong file ending"; |
442 | return false; |
443 | } |
444 | return true; |
445 | } |
446 | |
447 | public boolean isDirty() { |
448 | return dirtyFlag; |
449 | } |
450 | |
451 | public void doSave(IProgressMonitor progressMonitor) { |
452 | // Save only resources that have actually changed. |
453 | // |
454 | final Map<Object, Object> saveOptions = new HashMap<Object, Object>(); |
455 | saveOptions.put(Resource.OPTION_SAVE_ONLY_IF_CHANGED, |
456 | Resource.OPTION_SAVE_ONLY_IF_CHANGED_MEMORY_BUFFER); |
457 | |
458 | // Do the work within an operation because this is a long running |
459 | // activity that modifies the workbench. |
460 | // |
461 | WorkspaceModifyOperation operation = new WorkspaceModifyOperation() { |
462 | // This is the method that gets invoked when the operation runs. |
463 | // |
464 | @Override |
465 | public void execute(IProgressMonitor monitor) { |
466 | // Save the resources to the file system. |
467 | // |
468 | boolean first = true; |
469 | for (Resource resource : editingDomain.getResourceSet() |
470 | .getResources()) { |
471 | if ((first || !resource.getContents().isEmpty() || functions.isPersisted(resource, editingDomain)) |
472 | && !editingDomain.isReadOnly(resource)) { |
473 | try { |
474 | resource.save(saveOptions); |
475 | } catch (IOException exception) { |
476 | ErrorDisplayDialog errord = new ErrorDisplayDialog( |
477 | parent.getShell(), |
478 | new Throwable( |
479 | "Resource couldn't be loaded or saved!")); |
480 | errord.open(); |
481 | } |
482 | first = false; |
483 | } |
484 | } |
485 | } |
486 | }; |
487 | |
488 | try { |
489 | // This runs the options, and shows progress. |
490 | // |
491 | new ProgressMonitorDialog(parent.getShell()).run(true, false, |
492 | operation); |
493 | |
494 | // Refresh the necessary state. |
495 | // |
496 | ((BasicCommandStack) editingDomain.getCommandStack()).saveIsDone(); |
497 | dirtyFlag = false; |
498 | // firePropertyChange(IEditorPart.PROP_DIRTY); |
499 | } catch (InvocationTargetException e) { |
500 | ErrorDisplayDialog errord = new ErrorDisplayDialog(parent |
501 | .getShell(), new Throwable("Resource couldn't be saved!")); |
502 | errord.open(); |
503 | } catch (InterruptedException e) { |
504 | ErrorDisplayDialog errord = new ErrorDisplayDialog(parent |
505 | .getShell(), new Throwable("Resource couldn't be saved!")); |
506 | errord.open(); |
507 | } |
508 | } |
509 | |
510 | protected void doSaveAs(URI uri) { |
511 | (editingDomain.getResourceSet().getResources().get(0)).setURI(uri); |
512 | IProgressMonitor progressMonitor = new NullProgressMonitor(); |
513 | doSave(progressMonitor); |
514 | } |
515 | |
516 | public boolean isSaveAsAllowed() { |
517 | return true; |
518 | } |
519 | |
520 | public void addCheckStateListener(ICheckStateListener iCheckStateListener) { |
521 | checkStateListeners.add(iCheckStateListener); |
522 | } |
523 | |
524 | public String getErrorMessage() { |
525 | return errorMessage; |
526 | } |
527 | |
528 | } |