Added new property type App::PropertyVolume

src/App/Application.cpp

@@ -1097,6 +1097,7 @@ void Application::initTypes(void)
     App ::PropertyDistance          ::init();
     App ::PropertyLength            ::init();
     App ::PropertyArea              ::init();
+    App ::PropertyVolume            ::init();
     App ::PropertySpeed             ::init();
     App ::PropertyAcceleration      ::init();
     App ::PropertyForce             ::init();

src/App/PropertyUnits.cpp

@@ -245,6 +245,19 @@ PropertyArea::PropertyArea()
     setConstraints(&LengthStandard);
 }
 
+//**************************************************************************
+//**************************************************************************
+// PropertyVolume
+//++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
+
+TYPESYSTEM_SOURCE(App::PropertyVolume, App::PropertyQuantityConstraint);
+
+PropertyVolume::PropertyVolume()
+{
+    setUnit(Base::Unit::Volume);
+    setConstraints(&LengthStandard);
+}
+
 //**************************************************************************
 //**************************************************************************
 // PropertyAngle

src/App/PropertyUnits.h

@@ -150,6 +150,18 @@ public:
     virtual ~PropertyArea(){}
 };
 
+/** Volume property
+ * This is a property for representing volumes. It is basically a float
+ * property which must not be negative. On the Gui it has a quantity like m^3 or mm^3.
+ */
+class AppExport PropertyVolume : public PropertyQuantityConstraint
+{
+    TYPESYSTEM_HEADER();
+public:
+    PropertyVolume(void);
+    virtual ~PropertyVolume(){}
+};
+
 /** Angle property
  * This is a property for representing angles. It basicly a float
  * property. On the Gui it has a quantity like RAD.