Restore selection in the viewer by multi selector widget activation.

[modules/shaper.git] / src / Model / Model_Data.cpp

diff --git a/src/Model/Model_Data.cpp b/src/Model/Model_Data.cpp
index b3baaea43867efe74c0fa09eef6c3a1e6f1b1b7f..e2ef4c7477e1357cfae8ae05164661d08040f092 100644 (file)
--- a/src/Model/Model_Data.cpp
+++ b/src/Model/Model_Data.cpp
@@ -29,6 +29,7 @@
 #include <Events_Error.h>
 
 #include <TDataStd_Name.hxx>
+#include <TDataStd_AsciiString.hxx>
 #include <TDF_AttributeIterator.hxx>
 #include <TDF_ChildIterator.hxx>
 #include <TDF_RelocationTable.hxx>
@@ -239,10 +240,22 @@ ModelAPI_ExecState Model_Data::execState()
   return ModelAPI_StateMustBeUpdated; // default value
 }
 
-void Model_Data::setError(const std::string& theError)
+void Model_Data::setError(const std::string& theError, bool theSend)
 {
   execState(ModelAPI_StateExecFailed);
-  Events_Error::send(theError);
+  if (theSend) {
+    Events_Error::send(theError);
+  }
+  TDataStd_AsciiString::Set(myLab, theError.c_str());
+}
+
+std::string Model_Data::error() const
+{
+  Handle(TDataStd_AsciiString) anErrorAttr;
+  if (myLab.FindAttribute(TDataStd_AsciiString::GetID(), anErrorAttr)) {
+    return std::string(anErrorAttr->Get().ToCString());
+  }
+  return std::string();
 }
 
 int Model_Data::featureId() const
@@ -259,9 +272,23 @@ void Model_Data::eraseBackReferences()
     aRes->setIsConcealed(false);
 }
 
+void Model_Data::removeBackReference(FeaturePtr theFeature, std::string theAttrID)
+{
+  AttributePtr anAttribute = theFeature->data()->attribute(theAttrID);
+  if (myRefsToMe.find(anAttribute) == myRefsToMe.end())
+    return;
+
+  myRefsToMe.erase(anAttribute);
+}
+
 void Model_Data::addBackReference(FeaturePtr theFeature, std::string theAttrID, 
    const bool theApplyConcealment)
 {
+  // do not add the same attribute twice
+  AttributePtr anAttribute = theFeature->data()->attribute(theAttrID);
+  if (myRefsToMe.find(anAttribute) != myRefsToMe.end())
+    return;
+
   myRefsToMe.insert(theFeature->data()->attribute(theAttrID));
   if (theApplyConcealment && 
       ModelAPI_Session::get()->validators()->isConcealed(theFeature->getKind(), theAttrID)) {