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Error management -- Attribute validator returns an error.
[modules/shaper.git] / src / SketchPlugin / SketchPlugin_ExternalValidator.cpp
1 // Copyright (C) 2014-20xx CEA/DEN, EDF R&D -->
2
3 // File:        Model_ResultValidators.cpp
4 // Created:     27 Feb 2015
5 // Author:      Natalia ERMOLAEVA
6
7 #include "SketchPlugin_ExternalValidator.h"
8 #include "SketchPlugin_Feature.h"
9
10 #include <ModelAPI_Session.h>
11 #include <ModelAPI_Result.h>
12 #include <ModelAPI_Tools.h>
13 #include <ModelAPI_AttributeRefAttr.h>
14
15 bool SketchPlugin_ExternalValidator::isValid(const AttributePtr& theAttribute,
16                                              const std::list<std::string>& theArguments,
17                                              std::string& theError) const
18 {
19   if (theArguments.size() != 1)
20     return true;
21
22   // ask whether the feature of the attribute is external
23   bool isAttributeExternal = isExternalAttribute(theAttribute);
24
25   // ask whether the feature of the attribute by parameter identifier is external
26   std::string aFrontArgument = theArguments.front();
27   FeaturePtr aFeature = std::dynamic_pointer_cast<ModelAPI_Feature>(theAttribute->owner());
28   bool isParameterExternal = isExternalAttribute(aFeature->attribute(aFrontArgument));
29
30   // it is not possible that both features, attribute and attribute in parameter, are external
31   if (isAttributeExternal && isParameterExternal)
32     return false;
33   return true;
34 }
35
36 bool SketchPlugin_ExternalValidator::isExternalAttribute(const AttributePtr& theAttribute) const
37 {
38   bool isExternal = false;
39   AttributeRefAttrPtr anAttribute = std::dynamic_pointer_cast<ModelAPI_AttributeRefAttr>(theAttribute);
40
41   if (anAttribute.get() != NULL) {
42     FeaturePtr anArgumentFeature = ModelAPI_Feature::feature(anAttribute->object());
43     if (anArgumentFeature.get() != NULL) {
44       std::shared_ptr<SketchPlugin_Feature> aSketchFeature =
45                                     std::dynamic_pointer_cast<SketchPlugin_Feature>(anArgumentFeature);
46       if (aSketchFeature.get() != NULL) {
47         isExternal = aSketchFeature->isExternal();
48       }
49     }
50   }
51   return isExternal;
52 }