FEM: replace fem utils method with FreeCADs obj method

src/Mod/Fem/femguiobjects/_ViewProviderFemConstraintElectrostaticPotential.py

@@ -68,7 +68,7 @@ class _TaskPanel(object):
             FreeCAD.getHomePath() + "Mod/Fem/Resources/ui/ElectrostaticPotential.ui")
         self._initParamWidget()
         self.form = [self._refWidget, self._paramWidget]
-        analysis = femutils.findAnalysisOfMember(obj)
+        analysis = obj.getParentGroup()
         self._mesh = femutils.get_single_member(analysis, "Fem::FemMeshObject")
         self._part = None
         if self._mesh is not None:

src/Mod/Fem/femguiobjects/_ViewProviderFemConstraintFlowVelocity.py

@@ -69,7 +69,7 @@ class _TaskPanel(object):
         )
         self._initParamWidget()
         self.form = [self._refWidget, self._paramWidget]
-        analysis = femutils.findAnalysisOfMember(obj)
+        analysis = obj.getParentGroup()
         self._mesh = femutils.get_single_member(analysis, "Fem::FemMeshObject")
         self._part = None
         if self._mesh is not None:

src/Mod/Fem/femguiobjects/_ViewProviderFemConstraintInitialFlowVelocity.py

@@ -65,7 +65,7 @@ class _TaskPanel(object):
             FreeCAD.getHomePath() + "Mod/Fem/Resources/ui/InitialFlowVelocity.ui")
         self._initParamWidget()
         self.form = [self._paramWidget]
-        analysis = femutils.findAnalysisOfMember(obj)
+        analysis = obj.getParentGroup()
         self._mesh = femutils.get_single_member(analysis, "Fem::FemMeshObject")
         self._part = None
         if self._mesh is not None:

src/Mod/Fem/femsolver/elmer/equations/equation.py

@@ -75,7 +75,7 @@ class _TaskPanel(object):
             self.form = self._refWidget
         else:
             self.form = [self.refWidget, propWidget]
-        analysis = femutils.findAnalysisOfMember(obj)
+        analysis = obj.getParentGroup()
         self._mesh = femutils.get_single_member(analysis, "Fem::FemMeshObject")
         self._part = self._mesh.Part if self._mesh is not None else None
         self._partVisible = None

src/Mod/Fem/femsolver/elmer/writer.py

@@ -93,7 +93,7 @@ def getConstant(name, dimension):
 class Writer(object):
 
     def __init__(self, solver, directory, testmode=False):
-        self.analysis = femutils.findAnalysisOfMember(solver)
+        self.analysis = solver.getParentGroup()
         self.solver = solver
         self.directory = directory
         self.testmode = testmode

src/Mod/Fem/femsolver/run.py

@@ -299,7 +299,7 @@ class BaseTask(task.Thread):
 
     @property
     def analysis(self):
-        return femutils.findAnalysisOfMember(self.solver)
+        return self.solver.getParentGroup()
 
 
 class Machine(BaseTask):
@@ -528,7 +528,7 @@ class _DocObserver(object):
                     _machines[o].reset()
 
     def _checkSolver(self, obj):
-        analysis = femutils.findAnalysisOfMember(obj)
+        analysis = obj.getParentGroup()
         for m in iter(_machines.values()):
             if analysis == m.analysis and obj == m.solver:
                 m.reset()
@@ -546,7 +546,7 @@ class _DocObserver(object):
 
     def _checkModel(self, obj):
         if self._partOfModel(obj):
-            analysis = femutils.findAnalysisOfMember(obj)
+            analysis = obj.getParentGroup()
             if analysis is not None:
                 self._resetAll(analysis)
 

src/Mod/Fem/femtools/femutils.py

@@ -66,35 +66,6 @@ def createObject(doc, name, proxy, viewProxy=None):
     return obj
 
 
-def findAnalysisOfMember(member):
-    """ Find Analysis the *member* belongs to.
-
-    :param member: a document object
-
-    :returns:
-     If a analysis that contains *member* can be found a reference is returned.
-     If no such object exists in the document of *member*, ``None`` is returned.
-    """
-    if member is None:
-        raise ValueError("Member must not be None")
-    for obj in member.Document.Objects:
-        if obj.isDerivedFrom("Fem::FemAnalysis"):
-            if member in obj.Group:
-                return obj
-            if _searchGroups(member, obj.Group):
-                return obj
-    return None
-
-
-def _searchGroups(member, objs):
-    for o in objs:
-        if o == member:
-            return True
-        if hasattr(o, "Group"):
-            return _searchGroups(member, o.Group)
-    return False
-
-
 def get_member(analysis, t):
     """ Return list of all members of *analysis* of type *t*.