Arch: Fixed error on null window preset creation parameters - fixes yorikvanhavre/BIM_Workbench#116

src/Mod/Arch/ArchWindowPresets.py

@@ -51,6 +51,11 @@ def makeWindowPreset(windowtype,width,height,h1,h2,h3,w1,w2,o1,o2,placement=None
         w2 = float(w2)
         o1 = float(o1)
         o2 = float(o2)
+        # h1, h2, w1, w2 cannot be null (for now)
+        # TODO allow these to be null (don't create the component if so)
+        if not h1 or not h2 or not w1 or not w2:
+            FreeCAD.Console.PrintError("H1, H2, W1 and W2 parameters cannot be zero. Aborting\n")
+            return
         # small spacing to avoid wrong auto-wires in sketch
         tol = h1/10
         # glass size divider