1 // File: Model_Update.cxx
2 // Created: 25 Jun 2014
3 // Author: Mikhail PONIKAROV
5 #include <Model_Update.h>
6 #include <ModelAPI_Feature.h>
7 #include <ModelAPI_Data.h>
8 #include <ModelAPI_Document.h>
9 #include <ModelAPI_Events.h>
10 #include <ModelAPI_AttributeReference.h>
11 #include <ModelAPI_AttributeRefList.h>
12 #include <Events_Loop.h>
16 Model_Update MY_INSTANCE; /// the only one instance initialized on load of the library
18 Model_Update::Model_Update()
20 Events_Loop::loop()->registerListener(this, Events_Loop::eventByName(EVENT_OBJECT_UPDATED));
23 void Model_Update::processEvent(const Events_Message* theMessage)
25 const ModelAPI_ObjectUpdatedMessage* aMsg =
26 dynamic_cast<const ModelAPI_ObjectUpdatedMessage*>(theMessage);
27 myInitial = aMsg->objects();
28 // collect all documents involved into the update
29 set<boost::shared_ptr<ModelAPI_Document> > aDocs;
30 set<boost::shared_ptr<ModelAPI_Object> >::iterator aFIter = myInitial.begin();
31 for(; aFIter != myInitial.end(); aFIter++) {
32 aDocs.insert((*aFIter)->document());
34 // iterate all features of features-documents to update them
35 set<boost::shared_ptr<ModelAPI_Document> >::iterator aDIter = aDocs.begin();
36 for(; aDIter != aDocs.end(); aDIter++) {
37 int aNbFeatures = (*aDIter)->size(ModelAPI_Feature::group());
38 for(int aFIndex = 0; aFIndex < aNbFeatures; aFIndex++) {
39 boost::shared_ptr<ModelAPI_Object> aFeature = boost::dynamic_pointer_cast<ModelAPI_Object>
40 ((*aDIter)->object(ModelAPI_Feature::group(), aFIndex));
42 updateObject(aFeature);
47 static Events_ID EVENT_DISP = Events_Loop::loop()->eventByName(EVENT_OBJECT_TO_REDISPLAY);
48 Events_Loop::loop()->flush(EVENT_DISP);
51 bool Model_Update::updateObject(boost::shared_ptr<ModelAPI_Object> theObject)
53 // check it is already processed
54 if (myUpdated.find(theObject) != myUpdated.end())
55 return myUpdated[theObject];
56 // check all features this feature depended on (recursive call of updateFeature)
57 bool anExecute = myInitial.find(theObject) != myInitial.end();
58 bool aMustbeUpdated = myInitial.find(theObject) != myInitial.end();
59 FeaturePtr aRealFeature = boost::dynamic_pointer_cast<ModelAPI_Feature>(theObject);
60 if (aRealFeature) { // only real feature contains references to other objects
62 list<boost::shared_ptr<ModelAPI_Attribute> > aRefs =
63 theObject->data()->attributes(ModelAPI_AttributeReference::type());
64 list<boost::shared_ptr<ModelAPI_Attribute> >::iterator aRefsIter = aRefs.begin();
65 for(; aRefsIter != aRefs.end(); aRefsIter++) {
66 boost::shared_ptr<ModelAPI_Object> aSub =
67 boost::dynamic_pointer_cast<ModelAPI_AttributeReference>(*aRefsIter)->value();
68 if (aSub && aSub != theObject && updateObject(aSub))
69 aMustbeUpdated = true;
71 // lists of references
72 aRefs = theObject->data()->attributes(ModelAPI_AttributeRefList::type());
73 for(aRefsIter = aRefs.begin(); aRefsIter != aRefs.end(); aRefsIter++) {
74 list<ObjectPtr> aListRef =
75 boost::dynamic_pointer_cast<ModelAPI_AttributeRefList>(*aRefsIter)->list();
76 list<ObjectPtr>::iterator aListIter = aListRef.begin();
77 for(; aListIter != aListRef.end(); aListIter++) {
78 boost::shared_ptr<ModelAPI_Object> aSub = *aListIter;
79 if (aSub && updateObject(aSub))
80 aMustbeUpdated = true;
83 // execute feature if it must be updated
84 anExecute = aMustbeUpdated || anExecute;
86 aRealFeature->execute();
87 static Events_ID EVENT_DISP = Events_Loop::loop()->eventByName(EVENT_OBJECT_TO_REDISPLAY);
88 ModelAPI_EventCreator::get()->sendUpdated(theObject, EVENT_DISP);
91 myUpdated[theObject] = anExecute;