Fix segfault on missing Anchor view

- test script did not create Anchor(Front) view. DPG/DVP did not handle missing Anchor properly
2019-03-07 10:58:28 +01:00
parent 198c2258d4
commit 7189b8ebc0
4 changed files with 28 additions and 10 deletions
@@ -239,10 +239,18 @@ App::DocumentObjectExecReturn *DrawViewPart::execute(void)
    if (!keepUpdated()) {
        return App::DocumentObject::StdReturn;
    }
+    
+    const std::vector<App::DocumentObject*>& links = Source.getValues();
+    if (links.empty())  {
+        Base::Console().Log("DVP::execute - %s - No Sources - creation time?\n",getNameInDocument());
+        return App::DocumentObject::StdReturn;
+    }

-    TopoDS_Shape shape = getSourceShape();
+    TopoDS_Shape shape = getSourceShape();          //if shape is null, it is probably obj creation time.
    if (shape.IsNull()) {
-        return new App::DocumentObjectExecReturn("DVP - Linked shape object is invalid");
+        Base::Console().Log("DVP::execute - %s - source shape is invalid - creation time?\n",
+                            getNameInDocument());
+        return App::DocumentObject::StdReturn;
    }

    gp_Pnt inputCenter;