Measure: Migrate old App::MeasureDistance to new type

src/Mod/Measure/App/AppMeasure.cpp

@@ -93,6 +93,7 @@ PyMOD_INIT_FUNC(Measure)
     Measure::Measurement            ::init();
 
     // umf classes
+    Measure::MeasureDistanceType    ::init();
     Measure::MeasureBase            ::init();
     Measure::MeasurePython          ::init();
     Measure::MeasureAngle           ::init();

src/Mod/Measure/App/MeasureDistance.cpp

@@ -291,3 +291,43 @@ std::vector<App::DocumentObject*> MeasureDistanceDetached::getSubject() const
 }
 
 
+
+Base::Type MeasureDistanceType::getClassTypeId()
+{
+    return Base::Type::badType();
+}
+
+Base::Type MeasureDistanceType::getTypeId() const
+{
+    return Base::Type::badType();
+}
+
+void MeasureDistanceType::init()
+{
+    initSubclass(MeasureDistanceType::classTypeId,
+                 "App::MeasureDistance",
+                 "App::DocumentObject",
+                 &(MeasureDistanceType::create));
+}
+
+void* MeasureDistanceType::create()
+{
+    return new MeasureDistanceDetached();
+}
+
+Base::Type MeasureDistanceType::classTypeId = Base::Type::badType();
+
+
+
+// Migrate old MeasureDistance Type
+void MeasureDistanceDetached::handleChangedPropertyName(Base::XMLReader &reader,
+                                                const char * TypeName,
+                                                const char *PropName)
+{
+    if (strcmp(PropName, "P1") == 0 && strcmp(TypeName, "App::PropertyVector") == 0) {
+        Position1.Restore(reader);
+    }
+    else if (strcmp(PropName, "P2") == 0 && strcmp(TypeName, "App::PropertyVector") == 0) {
+        Position2.Restore(reader);
+    }
+}

src/Mod/Measure/App/MeasureDistance.h

@@ -38,6 +38,17 @@
 namespace Measure
 {
 
+class MeasureDistanceType: public Base::BaseClass
+{
+public:
+    static Base::Type getClassTypeId();
+    Base::Type getTypeId() const override;
+    static void init();
+    static void* create();
+
+private:
+    static Base::Type classTypeId;
+};
 
 
 class MeasureExport MeasureDistance : public Measure::MeasureBaseExtendable<Part::MeasureDistanceInfo>
@@ -115,6 +126,9 @@ public:
     // Return the object we are measuring
     std::vector<App::DocumentObject*> getSubject() const override;
 
+    void handleChangedPropertyName(Base::XMLReader &reader,
+                                                const char * TypeName,
+                                                const char *PropName) override;
 
 private:
     void onChanged(const App::Property* prop) override;