From e4939d358f242b780d2fe13044752c0a0984b00b Mon Sep 17 00:00:00 2001
From: Markus Hovorka <m.hovorka@live.de>
Date: Fri, 1 Dec 2017 19:43:26 +0100
Subject: [PATCH] FEM: general python contraint, add module

---
 src/Mod/Fem/App/CMakeLists.txt |  1 +
 src/Mod/Fem/CMakeLists.txt     |  1 +
 src/Mod/Fem/FemConstraint.py   | 61 ++++++++++++++++++++++++++++++++++
 3 files changed, 63 insertions(+)
 create mode 100644 src/Mod/Fem/FemConstraint.py

diff --git a/src/Mod/Fem/App/CMakeLists.txt b/src/Mod/Fem/App/CMakeLists.txt
index 835b4e2a55..019e21223a 100644
--- a/src/Mod/Fem/App/CMakeLists.txt
+++ b/src/Mod/Fem/App/CMakeLists.txt
@@ -92,6 +92,7 @@ SET(FemScripts_SRCS
     FemToolsCcx.py
     ObjectsFem.py
     FemUtils.py
+    FemConstraint.py
     TestFem.py
 )
 #SOURCE_GROUP("Scripts" FILES ${FemScripts_SRCS})
diff --git a/src/Mod/Fem/CMakeLists.txt b/src/Mod/Fem/CMakeLists.txt
index e7e2e27aa1..8a533b5d70 100755
--- a/src/Mod/Fem/CMakeLists.txt
+++ b/src/Mod/Fem/CMakeLists.txt
@@ -40,6 +40,7 @@ INSTALL(
         FemToolsCcx.py
         ObjectsFem.py
         FemUtils.py
+        FemConstraint.py
         TestFem.py
     DESTINATION
         Mod/Fem
diff --git a/src/Mod/Fem/FemConstraint.py b/src/Mod/Fem/FemConstraint.py
new file mode 100644
index 0000000000..38b981b9a5
--- /dev/null
+++ b/src/Mod/Fem/FemConstraint.py
@@ -0,0 +1,61 @@
+# ***************************************************************************
+# *                                                                         *
+# *   Copyright (c) 2017 - Markus Hovorka <m.hovorka@live.de>               *
+# *                                                                         *
+# *   This program is free software; you can redistribute it and/or modify  *
+# *   it under the terms of the GNU Lesser General Public License (LGPL)    *
+# *   as published by the Free Software Foundation; either version 2 of     *
+# *   the License, or (at your option) any later version.                   *
+# *   for detail see the LICENCE text file.                                 *
+# *                                                                         *
+# *   This program 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 program; if not, write to the Free Software   *
+# *   Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  *
+# *   USA                                                                   *
+# *                                                                         *
+# ***************************************************************************
+
+
+__title__ = "_Base"
+__author__ = "Markus Hovorka"
+__url__ = "http://www.freecadweb.org"
+
+
+import FreeCAD
+if FreeCAD.GuiUp:
+    from pivy import coin
+
+
+class Proxy(object):
+
+    BaseType = "Fem::ConstraintPython"
+
+    def __init__(self, obj):
+        obj.Proxy = self
+
+
+class ViewProxy(object):
+    """Proxy for FemSolverElmers View Provider."""
+
+    def __init__(self, vobj):
+        vobj.Proxy = self
+
+    def attach(self, vobj):
+        default = coin.SoGroup()
+        vobj.addDisplayMode(default, "Default")
+
+    def getDisplayModes(self, obj):
+        "Return a list of display modes."
+        modes = ["Default"]
+        return modes
+
+    def getDefaultDisplayMode(self):
+        return "Default"
+
+    def setDisplayMode(self, mode):
+        return mode