Fem: Add tie constraint symbol

Author: marioalexis84

src/Mod/Fem/femviewprovider/view_base_femconstraint.py

@@ -32,25 +32,15 @@
 
 from pivy import coin
 
+from FreeCAD import getResourceDir
 from femviewprovider import view_base_femobject
 
 
 class VPBaseFemConstraint(view_base_femobject.VPBaseFemObject):
     """Proxy View Provider for Pythons base constraint."""
 
-    def attach(self, vobj):
-        default = coin.SoGroup()
-        vobj.addDisplayMode(default, "Default")
-        self.Object = vobj.Object  # used on various places, claim childreens, get icon, etc.
-        # self.ViewObject = vobj  # not used ATM
-
-    def getDisplayModes(self, obj):
-        "Return a list of display modes."
-        modes = ["Default"]
-        return modes
+    resource_symbol_dir = getResourceDir() + "Mod/Fem/Resources/symbols/"
 
-    def getDefaultDisplayMode(self):
-        return "Default"
-
-    def setDisplayMode(self, mode):
-        return mode
+    def attach(self, vobj):
+        # used on various places, claim childreens, get icon, etc.
+        self.Object = vobj.Object

src/Mod/Fem/femviewprovider/view_constraint_tie.py

@@ -38,10 +38,17 @@ class VPConstraintTie(view_base_femconstraint.VPBaseFemConstraint):
     A View Provider for the ConstraintTie object
     """
 
+    def __init__(self, vobj):
+        super().__init__(vobj)
+
     def setEdit(self, vobj, mode=0):
         view_base_femconstraint.VPBaseFemConstraint.setEdit(
             self,
             vobj,
             mode,
             task_constraint_tie._TaskPanel
         )
+
+    def attach(self, vobj):
+        super().attach(vobj)
+        vobj.loadSymbol(self.resource_symbol_dir + "ConstraintTie.iv")