From e64813827d7b8ae320fac2fd5008db03d9817137 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Stefan=20Tr=C3=B6ger?= <stefantroeger@gmx.net>
Date: Mon, 18 Sep 2017 19:50:07 +0200
Subject: [PATCH] Expose global placement calculation to python API

---
 src/App/GeoFeatureGroupExtension.cpp |  3 +++
 src/App/GeoFeaturePy.xml             |  7 +++++++
 src/App/GeoFeaturePyImp.cpp          | 15 +++++++++++++++
 3 files changed, 25 insertions(+)

diff --git a/src/App/GeoFeatureGroupExtension.cpp b/src/App/GeoFeatureGroupExtension.cpp
index 68d1ba2fa2..ec45732545 100644
--- a/src/App/GeoFeatureGroupExtension.cpp
+++ b/src/App/GeoFeatureGroupExtension.cpp
@@ -112,6 +112,9 @@ DocumentObject* GeoFeatureGroupExtension::getGroupOfObject(const DocumentObject*
 
 Base::Placement GeoFeatureGroupExtension::globalGroupPlacement() {
     
+    if(getExtendedObject()->isRecomputing())
+        throw Base::Exception("Global placement cannot be calculated on recompute");
+    
     return recursiveGroupPlacement(this);
 }
 
diff --git a/src/App/GeoFeaturePy.xml b/src/App/GeoFeaturePy.xml
index d2f165ce2a..5ded4b50b7 100644
--- a/src/App/GeoFeaturePy.xml
+++ b/src/App/GeoFeaturePy.xml
@@ -18,6 +18,13 @@
         <UserDocu>returns all possible paths to the root of the document</UserDocu>
       </Documentation>
     </Methode>
+    <Methode Name="getGlobalPlacement">
+      <Documentation>
+        <UserDocu>Returns the placement of the object in the global coordinate space, respecting all stacked relationships. 
+                  Note: This function is not available during recompute, as there the placements of parents can change 
+                  after the execution of this object, rendering the result wrong.</UserDocu>
+      </Documentation>
+    </Methode>
     <Methode Name="getPropertyNameOfGeometry">
       <Documentation>
         <UserDocu>Returns the property name of the actual geometry or None.
diff --git a/src/App/GeoFeaturePyImp.cpp b/src/App/GeoFeaturePyImp.cpp
index 9eee2ea815..d95ea35a90 100644
--- a/src/App/GeoFeaturePyImp.cpp
+++ b/src/App/GeoFeaturePyImp.cpp
@@ -28,6 +28,7 @@
 // inclusion of the generated files (generated out of GeoFeaturePy.xml)
 #include "GeoFeaturePy.h"
 #include "GeoFeaturePy.cpp"
+#include <Base/PlacementPy.h>
 #include <CXX/Objects.hxx>
 
 using namespace App;
@@ -44,6 +45,20 @@ PyObject* GeoFeaturePy::getPaths(PyObject * /*args*/)
     return 0;
 }
 
+PyObject* GeoFeaturePy::getGlobalPlacement(PyObject * args) {
+    
+    if (!PyArg_ParseTuple(args, ""))
+        return 0;
+    
+    try {
+        Base::Placement p = static_cast<GeoFeature*>(getDocumentObjectPtr())->globalPlacement();
+        return new Base::PlacementPy(new Base::Placement(p));
+    }
+    catch (const Base::Exception& e) {
+        throw Py::RuntimeError(e.what());
+    }
+}
+
 PyObject* GeoFeaturePy::getPropertyNameOfGeometry(PyObject * args)
 {
     if (!PyArg_ParseTuple(args, ""))