Improved integer slider editor

Use sliders for cell range filter

ApplicationCode/ProjectDataModel/RimCellRangeFilter.h

@@ -59,6 +59,9 @@ public:
 
     virtual void            fieldChangedByUi(const caf::PdmFieldHandle* changedField, const QVariant& oldValue, const QVariant& newValue);
 
+protected:
+    virtual void defineEditorAttribute(const caf::PdmFieldHandle* field, QString uiConfigName, caf::PdmUiEditorAttribute* attribute);
+
 private:
     RimCellRangeFilterCollection* m_parentContainer;
 };