Propagate variable changed signal to RicUserDefinedCalculatorUi

- ensure that the UI is updated
- if the grid size is different, set destination case equal to the input variable case

ApplicationLibCode/ProjectDataModel/RimGridCalculation.cpp

@@ -295,16 +295,20 @@ void RimGridCalculation::initAfterRead()
 //--------------------------------------------------------------------------------------------------
 void RimGridCalculation::onVariableUpdated( const SignalEmitter* emitter )
 {
-    if ( m_destinationCase == nullptr )
+    if ( auto variable = dynamic_cast<const RimGridCalculationVariable*>( emitter ) )
     {
-        auto variable = dynamic_cast<const RimGridCalculationVariable*>( emitter );
-        if ( variable && variable->eclipseCase() )
+        if ( auto variableCase = variable->eclipseCase() )
         {
-            m_destinationCase = variable->eclipseCase();
-
-            updateConnectedEditors();
+            if ( !m_destinationCase || !m_destinationCase->isGridSizeEqualTo( variableCase ) )
+            {
+                m_destinationCase = variableCase;
+            }
         }
     }
+
+    updateConnectedEditors();
+
+    variableUpdated.send();
 }
 
 //--------------------------------------------------------------------------------------------------

ApplicationLibCode/ProjectDataModel/RimUserDefinedCalculation.cpp

@@ -42,6 +42,7 @@ CAF_PDM_XML_ABSTRACT_SOURCE_INIT( RimUserDefinedCalculation, "RimUserDefinedCalc
 ///
 //--------------------------------------------------------------------------------------------------
 RimUserDefinedCalculation::RimUserDefinedCalculation()
+    : variableUpdated( this )
 {
     CAF_PDM_InitObject( "RimUserDefinedCalculation", ":/octave.png", "Calculation", "" );
 

ApplicationLibCode/ProjectDataModel/RimUserDefinedCalculation.h

@@ -36,6 +36,9 @@ class RimUserDefinedCalculation : public caf::PdmObject
 {
     CAF_PDM_HEADER_INIT;
 
+public:
+    caf::Signal<> variableUpdated;
+
 public:
     RimUserDefinedCalculation();