1 // File: Model_Document.cxx
2 // Created: 28 Feb 2014
3 // Author: Mikhail PONIKAROV
5 #include <Model_Document.h>
6 #include <ModelAPI_Feature.h>
7 #include <Model_Data.h>
8 #include <Model_Application.h>
9 #include <Model_PluginManager.h>
10 #include <Model_Events.h>
11 #include <Events_Loop.h>
12 #include <Events_Error.h>
14 #include <TDataStd_Integer.hxx>
15 #include <TDataStd_Comment.hxx>
16 #include <TDF_ChildIDIterator.hxx>
17 #include <TDataStd_ReferenceArray.hxx>
18 #include <TDataStd_HLabelArray1.hxx>
23 # define _separator_ '\\'
25 # define _separator_ '/'
28 static const int UNDO_LIMIT = 10; // number of possible undo operations
30 static const int TAG_GENERAL = 1; // general properties tag
31 static const int TAG_OBJECTS = 2; // tag of the objects sub-tree (features)
32 static const int TAG_HISTORY = 3; // tag of the history sub-tree (python dump)
36 /// Returns the file name of this document by the nameof directory and identifuer of a document
37 static TCollection_ExtendedString DocFileName(const char* theFileName, const string& theID)
39 TCollection_ExtendedString aPath ((const Standard_CString)theFileName);
41 aPath += theID.c_str();
42 aPath += ".cbf"; // standard binary file extension
46 bool Model_Document::load(const char* theFileName)
48 Handle(Model_Application) anApp = Model_Application::getApplication();
49 if (this == Model_PluginManager::get()->rootDocument().get()) {
50 anApp->setLoadPath(theFileName);
52 TCollection_ExtendedString aPath (DocFileName(theFileName, myID));
53 PCDM_ReaderStatus aStatus = (PCDM_ReaderStatus) -1;
56 aStatus = anApp->Open(aPath, myDoc);
58 catch (Standard_Failure)
60 Handle(Standard_Failure) aFail = Standard_Failure::Caught();
61 Events_Error::send(string("Exception in opening of document: ") + aFail->GetMessageString());
64 bool isError = aStatus != PCDM_RS_OK;
69 case PCDM_RS_UnknownDocument:
70 Events_Error::send(string("Can not open document: PCDM_RS_UnknownDocument")); break;
71 case PCDM_RS_AlreadyRetrieved:
72 Events_Error::send(string("Can not open document: PCDM_RS_AlreadyRetrieved")); break;
73 case PCDM_RS_AlreadyRetrievedAndModified:
74 Events_Error::send(string("Can not open document: PCDM_RS_AlreadyRetrievedAndModified")); break;
75 case PCDM_RS_NoDriver:
76 Events_Error::send(string("Can not open document: PCDM_RS_NoDriver")); break;
77 case PCDM_RS_UnknownFileDriver:
78 Events_Error::send(string("Can not open document: PCDM_RS_UnknownFileDriver")); break;
79 case PCDM_RS_OpenError:
80 Events_Error::send(string("Can not open document: PCDM_RS_OpenError")); break;
81 case PCDM_RS_NoVersion:
82 Events_Error::send(string("Can not open document: PCDM_RS_NoVersion")); break;
84 Events_Error::send(string("Can not open document: PCDM_RS_NoModel")); break;
85 case PCDM_RS_NoDocument:
86 Events_Error::send(string("Can not open document: PCDM_RS_NoDocument")); break;
87 case PCDM_RS_FormatFailure:
88 Events_Error::send(string("Can not open document: PCDM_RS_FormatFailure")); break;
89 case PCDM_RS_TypeNotFoundInSchema:
90 Events_Error::send(string("Can not open document: PCDM_RS_TypeNotFoundInSchema")); break;
91 case PCDM_RS_UnrecognizedFileFormat:
92 Events_Error::send(string("Can not open document: PCDM_RS_UnrecognizedFileFormat")); break;
93 case PCDM_RS_MakeFailure:
94 Events_Error::send(string("Can not open document: PCDM_RS_MakeFailure")); break;
95 case PCDM_RS_PermissionDenied:
96 Events_Error::send(string("Can not open document: PCDM_RS_PermissionDenied")); break;
97 case PCDM_RS_DriverFailure:
98 Events_Error::send(string("Can not open document: PCDM_RS_DriverFailure")); break;
100 Events_Error::send(string("Can not open document: unknown error")); break;
104 myDoc->SetUndoLimit(UNDO_LIMIT);
105 synchronizeFeatures();
110 bool Model_Document::save(const char* theFileName)
112 // create a directory in the root document if it is not yet exist
113 if (this == Model_PluginManager::get()->rootDocument().get()) {
115 CreateDirectory(theFileName, NULL);
117 mkdir(theFileName, 0x1ff);
120 // filename in the dir is id of document inside of the given directory
121 TCollection_ExtendedString aPath(DocFileName(theFileName, myID));
122 PCDM_StoreStatus aStatus;
124 aStatus = Model_Application::getApplication()->SaveAs(myDoc, aPath);
126 catch (Standard_Failure) {
127 Handle(Standard_Failure) aFail = Standard_Failure::Caught();
128 Events_Error::send(string("Exception in saving of document: ") + aFail->GetMessageString());
131 bool isDone = aStatus == PCDM_SS_OK || aStatus == PCDM_SS_No_Obj;
136 case PCDM_SS_DriverFailure:
137 Events_Error::send(string("Can not save document: PCDM_SS_DriverFailure"));
139 case PCDM_SS_WriteFailure:
140 Events_Error::send(string("Can not save document: PCDM_SS_WriteFailure"));
142 case PCDM_SS_Failure:
144 Events_Error::send(string("Can not save document: PCDM_SS_Failure"));
148 myTransactionsAfterSave = 0;
149 if (isDone) { // save also sub-documents if any
150 set<string>::iterator aSubIter = mySubs.begin();
151 for(; aSubIter != mySubs.end() && isDone; aSubIter++)
152 isDone = subDocument(*aSubIter)->save(theFileName);
157 void Model_Document::close()
160 set<string>::iterator aSubIter = mySubs.begin();
161 for(; aSubIter != mySubs.end(); aSubIter++)
162 subDocument(*aSubIter)->close();
166 Model_Application::getApplication()->deleteDocument(myID);
169 void Model_Document::startOperation()
171 // new command for this
173 // new command for all subs
174 set<string>::iterator aSubIter = mySubs.begin();
175 for(; aSubIter != mySubs.end(); aSubIter++)
176 subDocument(*aSubIter)->startOperation();
179 void Model_Document::finishOperation()
181 // returns false if delta is empty and no transaction was made
182 myIsEmptyTr[myTransactionsAfterSave] = !myDoc->CommitCommand();
183 myTransactionsAfterSave++;
184 // finish for all subs
185 set<string>::iterator aSubIter = mySubs.begin();
186 for(; aSubIter != mySubs.end(); aSubIter++)
187 subDocument(*aSubIter)->finishOperation();
190 void Model_Document::abortOperation()
192 myDoc->AbortCommand();
193 // abort for all subs
194 set<string>::iterator aSubIter = mySubs.begin();
195 for(; aSubIter != mySubs.end(); aSubIter++)
196 subDocument(*aSubIter)->abortOperation();
199 bool Model_Document::isOperation()
201 // operation is opened for all documents: no need to check subs
202 return myDoc->HasOpenCommand() == Standard_True ;
205 bool Model_Document::isModified()
207 // is modified if at least one operation was commited and not undoed
208 return myTransactionsAfterSave > 0;
211 bool Model_Document::canUndo()
213 if (myDoc->GetAvailableUndos() > 0)
215 // check other subs contains operation that can be undoed
216 set<string>::iterator aSubIter = mySubs.begin();
217 for(; aSubIter != mySubs.end(); aSubIter++)
218 if (subDocument(*aSubIter)->canUndo())
223 void Model_Document::undo()
225 myTransactionsAfterSave--;
226 if (!myIsEmptyTr[myTransactionsAfterSave])
228 synchronizeFeatures();
230 set<string>::iterator aSubIter = mySubs.begin();
231 for(; aSubIter != mySubs.end(); aSubIter++)
232 subDocument(*aSubIter)->undo();
235 bool Model_Document::canRedo()
237 if (myDoc->GetAvailableRedos() > 0)
239 // check other subs contains operation that can be redoed
240 set<string>::iterator aSubIter = mySubs.begin();
241 for(; aSubIter != mySubs.end(); aSubIter++)
242 if (subDocument(*aSubIter)->canRedo())
247 void Model_Document::redo()
249 if (!myIsEmptyTr[myTransactionsAfterSave])
251 myTransactionsAfterSave++;
252 synchronizeFeatures();
254 set<string>::iterator aSubIter = mySubs.begin();
255 for(; aSubIter != mySubs.end(); aSubIter++)
256 subDocument(*aSubIter)->redo();
259 boost::shared_ptr<ModelAPI_Feature> Model_Document::addFeature(string theID)
261 boost::shared_ptr<ModelAPI_Feature> aFeature =
262 ModelAPI_PluginManager::get()->createFeature(theID);
264 boost::dynamic_pointer_cast<Model_Document>(aFeature->documentToAdd())->addFeature(aFeature);
266 // TODO: generate error that feature is not created
271 void Model_Document::addFeature(const boost::shared_ptr<ModelAPI_Feature> theFeature)
273 const std::string& aGroup = theFeature->getGroup();
274 TDF_Label aGroupLab = groupLabel(aGroup);
275 TDF_Label anObjLab = aGroupLab.NewChild();
276 boost::shared_ptr<Model_Data> aData(new Model_Data);
277 aData->setFeature(theFeature);
278 aData->setLabel(anObjLab);
279 boost::shared_ptr<ModelAPI_Document> aThis =
280 Model_Application::getApplication()->getDocument(myID);
281 theFeature->setData(aData);
282 theFeature->setDoc(aThis);
283 setUniqueName(theFeature);
284 theFeature->initAttributes();
285 // keep the feature ID to restore document later correctly
286 TDataStd_Comment::Set(anObjLab, theFeature->getKind().c_str());
287 // put index of the feature in the group in the tree
288 TDataStd_Integer::Set(anObjLab, myFeatures[aGroup].size());
289 myFeatures[aGroup].push_back(theFeature);
290 // store feature in the history of features array
291 if (theFeature->isInHistory()) {
292 Handle(TDataStd_ReferenceArray) aRefs;
293 if (!groupLabel(FEATURES_GROUP).FindAttribute(TDataStd_ReferenceArray::GetID(), aRefs)) {
294 aRefs = TDataStd_ReferenceArray::Set(groupLabel(FEATURES_GROUP), 0, 0);
295 aRefs->SetValue(0, anObjLab);
296 } else { // extend array by one more element
297 Handle(TDataStd_HLabelArray1) aNewArray =
298 new TDataStd_HLabelArray1(aRefs->Lower(), aRefs->Upper() + 1);
299 for(int a = aRefs->Lower(); a <= aRefs->Upper(); a++) {
300 aNewArray->SetValue(a, aRefs->Value(a));
302 aNewArray->SetValue(aRefs->Upper() + 1, anObjLab);
303 aRefs->SetInternalArray(aNewArray);
307 // event: feature is added
308 static Events_ID anEvent = Events_Loop::eventByName(EVENT_FEATURE_CREATED);
309 Model_FeatureUpdatedMessage aMsg(theFeature, anEvent);
310 Events_Loop::loop()->send(aMsg);
313 boost::shared_ptr<ModelAPI_Feature> Model_Document::feature(TDF_Label& theLabel)
315 Handle(TDataStd_Integer) aFeatureIndex;
316 if (theLabel.FindAttribute(TDataStd_Integer::GetID(), aFeatureIndex)) {
317 Handle(TDataStd_Comment) aGroupID;
318 if (theLabel.Father().FindAttribute(TDataStd_Comment::GetID(), aGroupID)) {
319 string aGroup = TCollection_AsciiString(aGroupID->Get()).ToCString();
320 return myFeatures[aGroup][aFeatureIndex->Get()];
323 return boost::shared_ptr<ModelAPI_Feature>(); // not found
326 int Model_Document::featureIndex(boost::shared_ptr<ModelAPI_Feature> theFeature)
328 if (theFeature->document().get() != this) {
329 return theFeature->document()->featureIndex(theFeature);
331 boost::shared_ptr<Model_Data> aData =
332 boost::dynamic_pointer_cast<Model_Data>(theFeature->data());
333 Handle(TDataStd_Integer) aFeatureIndex;
334 if (aData->label().FindAttribute(TDataStd_Integer::GetID(), aFeatureIndex)) {
335 return aFeatureIndex->Get();
337 return -1; // not found
340 boost::shared_ptr<ModelAPI_Document> Model_Document::subDocument(string theDocID)
342 // just store sub-document identifier here to manage it later
343 if (mySubs.find(theDocID) == mySubs.end())
344 mySubs.insert(theDocID);
345 return Model_Application::getApplication()->getDocument(theDocID);
348 boost::shared_ptr<ModelAPI_Feature> Model_Document::feature(
349 const string& theGroupID, const int theIndex)
351 if (theGroupID == FEATURES_GROUP) { // history is just a references array
352 Handle(TDataStd_ReferenceArray) aRefs;
353 if (groupLabel(FEATURES_GROUP).FindAttribute(TDataStd_ReferenceArray::GetID(), aRefs)) {
354 if (aRefs->Lower() <= theIndex && aRefs->Upper() >= theIndex) {
355 TDF_Label aFeatureLab = aRefs->Value(theIndex);
356 return feature(aFeatureLab);
359 } else { // one of the group
360 map<string, vector<boost::shared_ptr<ModelAPI_Feature> > >::iterator aGroup =
361 myFeatures.find(theGroupID);
362 if (aGroup != myFeatures.end() && (int)(aGroup->second.size()) > theIndex) {
363 return aGroup->second[theIndex];
367 return boost::shared_ptr<ModelAPI_Feature>();
370 int Model_Document::size(const string& theGroupID)
372 if (theGroupID == FEATURES_GROUP) { // history is just a references array
373 Handle(TDataStd_ReferenceArray) aRefs;
374 if (groupLabel(FEATURES_GROUP).FindAttribute(TDataStd_ReferenceArray::GetID(), aRefs))
375 return aRefs->Length();
376 } else { // one of the group
377 map<string, vector<boost::shared_ptr<ModelAPI_Feature> > >::iterator aGroup =
378 myFeatures.find(theGroupID);
379 if (aGroup != myFeatures.end())
380 return aGroup->second.size();
382 // group is not found
386 const vector<string>& Model_Document::getGroups() const
388 return myGroupsNames;
391 Model_Document::Model_Document(const std::string theID)
392 : myID(theID), myDoc(new TDocStd_Document("BinOcaf")) // binary OCAF format
394 myDoc->SetUndoLimit(UNDO_LIMIT);
395 myTransactionsAfterSave = 0;
396 // to have something in the document and avoid empty doc open/save problem
397 TDataStd_Integer::Set(myDoc->Main().Father(), 0);
400 TDF_Label Model_Document::groupLabel(const string theGroup)
402 if (myGroups.find(theGroup) == myGroups.end()) {
403 myGroups[theGroup] = myDoc->Main().FindChild(TAG_OBJECTS).NewChild();
404 myGroupsNames.push_back(theGroup);
405 // set to the group label the group idntifier to restore on "open"
406 TDataStd_Comment::Set(myGroups[theGroup], theGroup.c_str());
407 myFeatures[theGroup] = vector<boost::shared_ptr<ModelAPI_Feature> >();
409 return myGroups[theGroup];
412 void Model_Document::setUniqueName(boost::shared_ptr<ModelAPI_Feature> theFeature)
414 // first count all objects of such kind to start with index = count + 1
415 int a, aNumObjects = 0;
416 int aSize = size(theFeature->getGroup());
417 for(a = 0; a < aSize; a++) {
418 if (feature(theFeature->getGroup(), a)->getKind() == theFeature->getKind())
421 // generate candidate name
422 stringstream aNameStream;
423 aNameStream<<theFeature->getKind()<<"_"<<aNumObjects + 1;
424 string aName = aNameStream.str();
425 // check this is unique, if not, increase index by 1
426 for(a = 0; a < aSize;) {
427 if (feature(theFeature->getGroup(), a)->data()->getName() == aName) {
429 stringstream aNameStream;
430 aNameStream<<theFeature->getKind()<<"_"<<aNumObjects + 1;
431 // reinitialize iterator to make sure a new name is unique
436 theFeature->data()->setName(aName);
439 void Model_Document::synchronizeFeatures()
441 boost::shared_ptr<ModelAPI_Document> aThis = Model_Application::getApplication()->getDocument(myID);
442 // iterate groups labels
443 TDF_ChildIDIterator aGroupsIter(myDoc->Main().FindChild(TAG_OBJECTS),
444 TDataStd_Comment::GetID(), Standard_False);
445 vector<string>::iterator aGroupNamesIter = myGroupsNames.begin();
446 for(; aGroupsIter.More() && aGroupNamesIter != myGroupsNames.end();
447 aGroupsIter.Next(), aGroupNamesIter++) {
448 string aGroupName = TCollection_AsciiString(Handle(TDataStd_Comment)::DownCast(
449 aGroupsIter.Value())->Get()).ToCString();
450 if (*aGroupNamesIter != aGroupName)
451 break; // all since there is a change this must be recreated from scratch
453 // delete all groups left after the data model groups iteration
454 while(aGroupNamesIter != myGroupsNames.end()) {
455 string aGroupName = *aGroupNamesIter;
456 myFeatures.erase(aGroupName);
457 myGroups.erase(aGroupName);
458 aGroupNamesIter = myGroupsNames.erase(aGroupNamesIter);
459 // say that features were deleted from group
460 Model_FeatureDeletedMessage aMsg(aThis, aGroupName);
461 Events_Loop::loop()->send(aMsg);
463 // create new groups basing on the following data model update
464 for(; aGroupsIter.More(); aGroupsIter.Next()) {
465 string aGroupName = TCollection_AsciiString(Handle(TDataStd_Comment)::DownCast(
466 aGroupsIter.Value())->Get()).ToCString();
467 myGroupsNames.push_back(aGroupName);
468 myGroups[aGroupName] = aGroupsIter.Value()->Label();
469 myFeatures[aGroupName] = vector<boost::shared_ptr<ModelAPI_Feature> >();
471 // update features group by group
472 aGroupsIter.Initialize(myDoc->Main().FindChild(TAG_OBJECTS),
473 TDataStd_Comment::GetID(), Standard_False);
474 for(; aGroupsIter.More(); aGroupsIter.Next()) {
475 string aGroupName = TCollection_AsciiString(Handle(TDataStd_Comment)::DownCast(
476 aGroupsIter.Value())->Get()).ToCString();
477 // iterate features in internal container
478 vector<boost::shared_ptr<ModelAPI_Feature> >& aFeatures = myFeatures[aGroupName];
479 vector<boost::shared_ptr<ModelAPI_Feature> >::iterator aFIter = aFeatures.begin();
480 // and in parallel iterate labels of features
481 TDF_ChildIDIterator aFLabIter(
482 aGroupsIter.Value()->Label(), TDataStd_Comment::GetID(), Standard_False);
483 while(aFIter != aFeatures.end() || aFLabIter.More()) {
484 static const int INFINITE_TAG = INT_MAX; // no label means that it exists somwhere in infinite
485 int aFeatureTag = INFINITE_TAG;
486 if (aFIter != aFeatures.end()) { // existing tag for feature
487 boost::shared_ptr<Model_Data> aData = boost::dynamic_pointer_cast<Model_Data>((*aFIter)->data());
488 aFeatureTag = aData->label().Tag();
490 int aDSTag = INFINITE_TAG;
491 if (aFLabIter.More()) { // next label in DS is existing
492 aDSTag = aFLabIter.Value()->Label().Tag();
494 if (aDSTag > aFeatureTag) { // feature is removed
495 aFIter = aFeatures.erase(aFIter);
496 // event: model is updated
497 Model_FeatureDeletedMessage aMsg(aThis, aGroupName);
498 Events_Loop::loop()->send(aMsg);
499 } else if (aDSTag < aFeatureTag) { // a new feature is inserted
501 boost::shared_ptr<ModelAPI_Feature> aFeature = ModelAPI_PluginManager::get()->createFeature(
502 TCollection_AsciiString(Handle(TDataStd_Comment)::DownCast(
503 aFLabIter.Value())->Get()).ToCString());
505 boost::shared_ptr<Model_Data> aData(new Model_Data);
506 TDF_Label aLab = aFLabIter.Value()->Label();
507 aData->setLabel(aLab);
508 aData->setFeature(aFeature);
509 aFeature->setDoc(aThis);
510 aFeature->setData(aData);
511 aFeature->initAttributes();
513 if (aFIter == aFeatures.end()) {
514 aFeatures.push_back(aFeature);
515 aFIter = aFeatures.end();
518 aFeatures.insert(aFIter, aFeature);
520 // event: model is updated
521 static Events_ID anEvent = Events_Loop::eventByName(EVENT_FEATURE_CREATED);
522 Model_FeatureUpdatedMessage aMsg(aFeature, anEvent);
523 Events_Loop::loop()->send(aMsg);
525 // feature for this label is added, so go to the next label
527 } else { // nothing is changed, both iterators are incremented