Gui: Introduce Gui::Document::createView to Python.

src/Gui/Document.cpp

@@ -2456,7 +2456,7 @@ MDIView *Document::setActiveView(const ViewProviderDocumentObject* vp, Base::Typ
 /**
  * @brief Document::setActiveWindow
  * If this document is active and the view is part of it then it will be
- * activated. If the document is not active of the view is already active
+ * activated. If the document is not active or if the view is already active
  * nothing is done.
  * @param view
  */

src/Gui/DocumentPy.xml

@@ -119,6 +119,16 @@ The active object of the document. Deprecated, use ActiveObject.</UserDocu>
 The active view of the document. Deprecated, use ActiveView.</UserDocu>
       </Documentation>
     </Methode>
+    <Methode Name="createView">
+      <Documentation>
+      <UserDocu>createView(type) -> object or None
+
+Return a newly created view of a given type.
+
+type : str
+    Type name.</UserDocu>
+      </Documentation>
+    </Methode>
     <Methode Name="mdiViewsOfType" Const="true">
       <Documentation>
       <UserDocu>mdiViewsOfType(type) -> list of MDIView

src/Gui/DocumentPyImp.cpp

@@ -254,6 +254,29 @@ PyObject* DocumentPy::activeView(PyObject *args)
     PY_CATCH;
 }
 
+PyObject* DocumentPy::createView(PyObject *args)
+{
+    char* sType;
+    if (!PyArg_ParseTuple(args, "s", &sType))
+        return nullptr;
+
+    Base::Type type = Base::Type::fromName(sType);
+    if (type.isBad()) {
+        PyErr_Format(PyExc_TypeError, "'%s' is not a valid type", sType);
+        return nullptr;
+    }
+
+    PY_TRY {
+        Gui::MDIView* pcView = getDocumentPtr()->createView(type);
+        if (pcView) {
+            return pcView->getPyObject();
+        } else {
+            Py_Return;
+        }
+    }
+    PY_CATCH;
+}
+
 PyObject* DocumentPy::mdiViewsOfType(PyObject *args)
 {
     char* sType;