1 // Copyright (C) 2014-20xx CEA/DEN, EDF R&D
3 #include <ModuleBase_WidgetValidated.h>
4 #include <ModuleBase_FilterFactory.h>
5 #include <ModuleBase_IViewer.h>
6 #include <ModuleBase_ISelection.h>
8 #include <ModelAPI_Session.h>
9 #include <ModelAPI_Validator.h>
10 #include <ModelAPI_AttributeValidator.h>
11 #include <ModelAPI_Events.h>
13 #include <SelectMgr_ListIteratorOfListOfFilter.hxx>
14 #include <SelectMgr_EntityOwner.hxx>
15 #include <StdSelect_BRepOwner.hxx>
17 #include <Events_Loop.h>
21 //#define DEBUG_VALID_STATE
23 ModuleBase_WidgetValidated::ModuleBase_WidgetValidated(QWidget* theParent,
24 ModuleBase_IWorkshop* theWorkshop,
25 const Config_WidgetAPI* theData,
26 const std::string& theParentId)
27 : ModuleBase_ModelWidget(theParent, theData, theParentId),
28 myWorkshop(theWorkshop), myIsInValidate(false)
32 ModuleBase_WidgetValidated::~ModuleBase_WidgetValidated()
36 //********************************************************************
37 bool ModuleBase_WidgetValidated::setSelection(QList<ModuleBase_ViewerPrs>& theValues,
38 const bool theToValidate)
40 if (theValues.empty())
42 // it removes the processed value from the parameters list
43 ModuleBase_ViewerPrs aValue = theValues.takeFirst();
46 if (!theToValidate || isValidInFilters(aValue)) {
47 isDone = setSelectionCustom(aValue);
48 // updateObject - to update/redisplay feature
49 // it is commented in order to perfom it outside the method
50 //updateObject(myFeature);
52 //emit valuesChanged();
57 //********************************************************************
58 ObjectPtr ModuleBase_WidgetValidated::findPresentedObject(const AISObjectPtr& theAIS) const
60 return myPresentedObject;
63 //********************************************************************
64 void ModuleBase_WidgetValidated::storeAttributeValue()
66 myIsInValidate = true;
69 //********************************************************************
70 void ModuleBase_WidgetValidated::restoreAttributeValue(const bool theValid)
72 myIsInValidate = false;
75 //********************************************************************
76 bool ModuleBase_WidgetValidated::isValidInFilters(const ModuleBase_ViewerPrs& thePrs)
79 Handle(SelectMgr_EntityOwner) anOwner = thePrs.owner();
81 // if an owner is null, the selection happens in the Object browser.
82 // creates a selection owner on the base of object shape and the object AIS object
83 if (anOwner.IsNull() && thePrs.owner().IsNull() && thePrs.object().get()) {
84 ResultPtr aResult = myWorkshop->selection()->getResult(thePrs);
85 if (aResult.get() && aResult->shape().get()) {
86 // some results have no shape, e.g. the parameter one. So, they should not be validated
87 GeomShapePtr aShape = aResult->shape();
88 const TopoDS_Shape aTDShape = aShape->impl<TopoDS_Shape>();
89 Handle(AIS_InteractiveObject) anIO = myWorkshop->selection()->getIO(thePrs);
90 anOwner = new StdSelect_BRepOwner(aTDShape, anIO);
91 myPresentedObject = aResult;
94 aValid = false; // only results with a shape can be filtered
96 // checks the owner by the AIS context activated filters
97 if (!anOwner.IsNull()) {
98 // the widget validator filter should be active, but during check by preselection
99 // it is not yet activated, so we need to activate/deactivate it manually
100 bool isActivated = isFilterActivated();
102 activateFilters(true);
104 Handle(AIS_InteractiveContext) aContext = myWorkshop->viewer()->AISContext();
105 if (!aContext.IsNull()) {
106 const SelectMgr_ListOfFilter& aFilters = aContext->Filters();
107 SelectMgr_ListIteratorOfListOfFilter anIt(aFilters);
108 for (; anIt.More() && aValid; anIt.Next()) {
109 Handle(SelectMgr_Filter) aFilter = anIt.Value();
110 aValid = aFilter->IsOk(anOwner);
114 activateFilters(false);
117 // removes created owner
118 if (!anOwner.IsNull() && anOwner != thePrs.owner()) {
120 myPresentedObject = ObjectPtr();
125 //********************************************************************
126 bool ModuleBase_WidgetValidated::isValidSelection(const ModuleBase_ViewerPrs& theValue)
129 if (getValidState(theValue, aValid)) {
133 aValid = isValidSelectionCustom(theValue);
135 storeValidState(theValue, aValid);
139 // stores the current values of the widget attribute
140 bool isFlushesActived, isAttributeSetInitializedBlocked;
141 blockAttribute(true, isFlushesActived, isAttributeSetInitializedBlocked);
143 storeAttributeValue();
145 // saves the owner value to the widget attribute
146 aValid = setSelectionCustom(theValue);
148 // checks the attribute validity
149 aValid = isValidAttribute();
151 // restores the current values of the widget attribute
152 restoreAttributeValue(aValid);
154 blockAttribute(false, isFlushesActived, isAttributeSetInitializedBlocked);
155 // In particular case the results are deleted and called as redisplayed inside of this
156 // highlight-selection, to they must be flushed as soon as possible.
157 // Example: selection of group-vertices subshapes with shift pressend on body. Without
158 // these 4 lines below the application crashes because of left presentations on
159 // removed results still in the viewer.
160 static Events_ID aDeletedEvent = Events_Loop::eventByName(EVENT_OBJECT_DELETED);
161 static Events_ID aRedispEvent = Events_Loop::eventByName(EVENT_OBJECT_TO_REDISPLAY);
162 Events_Loop::loop()->flush(aDeletedEvent);
163 Events_Loop::loop()->flush(aRedispEvent);
165 storeValidState(theValue, aValid);
169 //********************************************************************
170 bool ModuleBase_WidgetValidated::isValidSelectionCustom(const ModuleBase_ViewerPrs& thePrs)
175 //********************************************************************
176 bool ModuleBase_WidgetValidated::isValidAttribute() const
178 SessionPtr aMgr = ModelAPI_Session::get();
179 ModelAPI_ValidatorsFactory* aFactory = aMgr->validators();
180 AttributePtr anAttribute = myFeature->attribute(attributeID());
181 std::string aValidatorID, anError;
182 return aFactory->validate(anAttribute, aValidatorID, anError);
185 bool ModuleBase_WidgetValidated::isFilterActivated() const
187 bool isActivated = false;
189 Handle(SelectMgr_Filter) aSelFilter = myWorkshop->validatorFilter();
190 ModuleBase_IViewer* aViewer = myWorkshop->viewer();
192 return aViewer->hasSelectionFilter(aSelFilter);
195 void ModuleBase_WidgetValidated::activateFilters(const bool toActivate)
197 ModuleBase_IViewer* aViewer = myWorkshop->viewer();
199 Handle(SelectMgr_Filter) aSelFilter = myWorkshop->validatorFilter();
201 aViewer->addSelectionFilter(aSelFilter);
203 aViewer->removeSelectionFilter(aSelFilter);
208 //********************************************************************
209 void ModuleBase_WidgetValidated::blockAttribute(const bool& theToBlock, bool& isFlushesActived,
210 bool& isAttributeSetInitializedBlocked)
212 Events_Loop* aLoop = Events_Loop::loop();
213 DataPtr aData = myFeature->data();
214 AttributePtr anAttribute = myFeature->attribute(attributeID());
216 // blocks the flush signals to avoid the temporary objects visualization in the viewer
217 // they should not be shown in order to do not lose highlight by erasing them
218 isFlushesActived = aLoop->activateFlushes(false);
220 aData->blockSendAttributeUpdated(true);
221 isAttributeSetInitializedBlocked = anAttribute->blockSetInitialized(true);
224 aData->blockSendAttributeUpdated(false);
225 anAttribute->blockSetInitialized(isAttributeSetInitializedBlocked);
226 aLoop->activateFlushes(isFlushesActived);
230 //********************************************************************
231 void ModuleBase_WidgetValidated::storeValidState(const ModuleBase_ViewerPrs& theValue, const bool theValid)
233 bool aValidPrs = myInvalidPrs.contains(theValue);
234 bool anInvalidPrs = myInvalidPrs.contains(theValue);
238 myValidPrs.append(theValue);
239 // the commented code will be useful when the valid state of the presentation
240 // will be changable between activate/deactivate. Currently it does not happen.
242 // myInvalidPrs.removeOne(theValue);
246 myInvalidPrs.append(theValue);
248 // myValidPrs.removeOne(theValue);
250 #ifdef DEBUG_VALID_STATE
251 qDebug(QString("storeValidState: myValidPrs.size() = %1, myInvalidPrs.size() = %2").arg(myValidPrs.count())
252 .arg(myInvalidPrs.count()).toStdString().c_str());
256 //********************************************************************
257 bool ModuleBase_WidgetValidated::getValidState(const ModuleBase_ViewerPrs& theValue, bool& theValid)
259 bool aValidPrs = myValidPrs.contains(theValue);
260 bool anInvalidPrs = myInvalidPrs.contains(theValue);
264 else if (anInvalidPrs)
267 return aValidPrs || anInvalidPrs;
270 //********************************************************************
271 void ModuleBase_WidgetValidated::clearValidState()
273 #ifdef DEBUG_VALID_STATE
274 qDebug("clearValidState");
277 myInvalidPrs.clear();
280 //********************************************************************
281 QList<ModuleBase_ViewerPrs> ModuleBase_WidgetValidated::getFilteredSelected()
283 QList<ModuleBase_ViewerPrs> aSelected = myWorkshop->selection()->getSelected(
284 ModuleBase_ISelection::Viewer);
286 QList<ModuleBase_ViewerPrs> anOBSelected = myWorkshop->selection()->getSelected(
287 ModuleBase_ISelection::Browser);
288 // filter the OB presentations
289 filterPresentations(anOBSelected);
290 if (!anOBSelected.isEmpty())
291 ModuleBase_ISelection::appendSelected(anOBSelected, aSelected);
296 //********************************************************************
297 void ModuleBase_WidgetValidated::filterPresentations(QList<ModuleBase_ViewerPrs>& theValues)
299 QList<ModuleBase_ViewerPrs> aValidatedValues;
301 QList<ModuleBase_ViewerPrs>::const_iterator anIt = theValues.begin(), aLast = theValues.end();
303 for (; anIt != aLast; anIt++) {
304 if (isValidInFilters(*anIt))
305 aValidatedValues.append(*anIt);
307 if (aValidatedValues.size() != theValues.size()) {
309 theValues = aValidatedValues;