From 4db69850fb44258f6fa6f4ba2f18ebae2a770726 Mon Sep 17 00:00:00 2001
From: wmayer <wmayer@users.sourceforge.net>
Date: Thu, 23 Apr 2015 23:36:05 +0200
Subject: [PATCH] + FEM: reimplement function to create FEM mesh from shape

---
 src/Mod/Fem/Gui/Command.cpp       |  2 +-
 src/Mod/Fem/Gui/Workbench.cpp     |  1 +
 src/Mod/Fem/MechanicalAnalysis.py | 27 +++++++++++++++++++++++++++
 3 files changed, 29 insertions(+), 1 deletion(-)

diff --git a/src/Mod/Fem/Gui/Command.cpp b/src/Mod/Fem/Gui/Command.cpp
index 7e6509088..a02c492ce 100755
--- a/src/Mod/Fem/Gui/Command.cpp
+++ b/src/Mod/Fem/Gui/Command.cpp
@@ -591,7 +591,7 @@ void CmdFemCreateNodesSet::activated(int iMsg)
 
 bool CmdFemCreateNodesSet::isActive(void)
 {
-    return true;
+    return hasActiveDocument();
 }
 
 //--------------------------------------------------------------------------------------
diff --git a/src/Mod/Fem/Gui/Workbench.cpp b/src/Mod/Fem/Gui/Workbench.cpp
index 483958b8e..c3cfc6fae 100755
--- a/src/Mod/Fem/Gui/Workbench.cpp
+++ b/src/Mod/Fem/Gui/Workbench.cpp
@@ -79,6 +79,7 @@ Gui::MenuItem* Workbench::setupMenuBar() const
     root->insertItem(item, fem);
     fem->setCommand("&FEM");
     *fem << "Fem_NewMechanicalAnalysis"
+         << "Fem_CreateFromShape"
          << "Fem_MechanicalMaterial"
          << "Separator"
          << "Fem_CreateNodesSet"
diff --git a/src/Mod/Fem/MechanicalAnalysis.py b/src/Mod/Fem/MechanicalAnalysis.py
index c0a27f7ec..0a5df3ced 100644
--- a/src/Mod/Fem/MechanicalAnalysis.py
+++ b/src/Mod/Fem/MechanicalAnalysis.py
@@ -84,6 +84,32 @@ class _CommandNewMechanicalAnalysis:
         return FreeCADGui.ActiveDocument is not None and FemGui.getActiveAnalysis() is None
 
 
+
+class _CommandFemFromShape:
+    def GetResources(self):
+        return {'MenuText': QtCore.QT_TRANSLATE_NOOP("Fem_CreateFromShape", "Create FEM mesh"),
+                'ToolTip': QtCore.QT_TRANSLATE_NOOP("Fem_CreateFromShape", "Create FEM mesh from shape")}
+
+    def Activated(self):
+        FreeCAD.ActiveDocument.openTransaction("Create FEM mesh")
+        FreeCADGui.addModule("FemGui")
+        FreeCADGui.addModule("MechanicalAnalysis")
+        sel = FreeCADGui.Selection.getSelection()
+        if (len(sel) == 1):
+            if(sel[0].isDerivedFrom("Part::Feature")):
+                FreeCADGui.doCommand("App.activeDocument().addObject('Fem::FemMeshShapeNetgenObject', '" + sel[0].Name + "_Mesh')")
+                FreeCADGui.doCommand("App.activeDocument().ActiveObject.Shape = App.activeDocument()." + sel[0].Name)
+                FreeCADGui.doCommand("Gui.activeDocument().setEdit(App.ActiveDocument.ActiveObject.Name)")
+
+        FreeCADGui.Selection.clearSelection()
+
+    def IsActive(self):
+        sel = FreeCADGui.Selection.getSelection()
+        if len(sel) == 1:
+            return sel[0].isDerivedFrom("Part::Feature")
+        return False
+
+
 class _CommandMechanicalJobControl:
     "the Fem JobControl command definition"
     def GetResources(self):
@@ -753,5 +779,6 @@ class _ResultControlTaskPanel:
         FreeCADGui.Control.closeDialog()
 
 FreeCADGui.addCommand('Fem_NewMechanicalAnalysis', _CommandNewMechanicalAnalysis())
+FreeCADGui.addCommand('Fem_CreateFromShape', _CommandFemFromShape())
 FreeCADGui.addCommand('Fem_MechanicalJobControl', _CommandMechanicalJobControl())
 FreeCADGui.addCommand('Fem_ShowResult', _CommandMechanicalShowResult())