Add Assembly App objects and some python bindings

Make Part working

src/Mod/Assembly/App/Item.cpp

@@ -0,0 +1,59 @@
+/***************************************************************************
+ *   Copyright (c) 2010 Juergen Riegel <FreeCAD@juergen-riegel.net>        *
+ *                                                                         *
+ *   This file is part of the FreeCAD CAx development system.              *
+ *                                                                         *
+ *   This library is free software; you can redistribute it and/or         *
+ *   modify it under the terms of the GNU Library General Public           *
+ *   License as published by the Free Software Foundation; either          *
+ *   version 2 of the License, or (at your option) any later version.      *
+ *                                                                         *
+ *   This library  is distributed in the hope that it will be useful,      *
+ *   but WITHOUT ANY WARRANTY; without even the implied warranty of        *
+ *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the         *
+ *   GNU Library General Public License for more details.                  *
+ *                                                                         *
+ *   You should have received a copy of the GNU Library General Public     *
+ *   License along with this library; see the file COPYING.LIB. If not,    *
+ *   write to the Free Software Foundation, Inc., 59 Temple Place,         *
+ *   Suite 330, Boston, MA  02111-1307, USA                                *
+ *                                                                         *
+ ***************************************************************************/
+
+
+#include "PreCompiled.h"
+#ifndef _PreComp_
+#endif
+
+#include <Base/Placement.h>
+
+#include "Item.h"
+
+
+using namespace Assembly;
+
+namespace Assembly {
+
+
+PROPERTY_SOURCE(Assembly::Item, Part::Feature)
+
+Item::Item()
+{
+    ADD_PROPERTY(Model,(0));
+}
+
+short Item::mustExecute() const
+{
+    //if (Sketch.isTouched() ||
+    //    Length.isTouched())
+    //    return 1;
+    return 0;
+}
+
+App::DocumentObjectExecReturn *Item::execute(void)
+{
+ 
+    return App::DocumentObject::StdReturn;
+}
+
+}