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Draft: cleanup logic of PathArray proxy object code

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Return early from the `execute` method if no base or path exist.

Add method `get_wires` which internally uses `get_wire_from_subelements`
(renamed method), to get the edges from the path object,
and its subelements, if any. If no wires are found
return early from `execute`.

The final rotation applied to the copies will be the base rotation
of the base object's shape. The only exception is when the
`AlignMode` is `'Tangent'`; in this case, it performs
a pre-rotation with the `TangentVector`.
This commit is contained in:
vocx-fc
2020-05-23 23:11:10 -05:00
committed by Yorik van Havre
parent 835f4b424f
commit 9dd1c2efa5
1 changed files with 45 additions and 38 deletions
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83
src/Mod/Draft/draftobjects/patharray.py
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@@ -246,51 +246,58 @@ class PathArray(DraftLink):
def execute(self, obj):
"""Execute when the object is created or recomputed."""
if obj.Base and obj.PathObj:
pl = obj.Placement # placement of entire PathArray object
if obj.PathSubs:
w = self.getWireFromSubs(obj)
elif (hasattr(obj.PathObj.Shape, 'Wires')
and obj.PathObj.Shape.Wires):
w = obj.PathObj.Shape.Wires[0]
elif obj.PathObj.Shape.Edges:
w = Part.Wire(obj.PathObj.Shape.Edges)
else:
_err(obj.PathObj.Name
+ _tr(", path object doesn't have 'Edges'."))
return
if not obj.Base or not obj.PathObj:
return
if (hasattr(obj, "TangentVector")
and obj.AlignMode == "Tangent" and obj.Align):
basePlacement = obj.Base.Shape.Placement
baseRotation = basePlacement.Rotation
stdX = App.Vector(1.0, 0.0, 0.0) # default TangentVector
# placement of entire PathArray object
array_placement = obj.Placement
if not DraftVecUtils.equals(stdX, obj.TangentVector):
# make rotation from TangentVector to X
preRotation = App.Rotation(obj.TangentVector, stdX)
netRotation = baseRotation.multiply(preRotation)
else:
netRotation = baseRotation
w = self.get_wires(obj.PathObj, obj.PathSubs)
if not w:
_err(obj.PathObj.Label
+ _tr(", path object doesn't have 'Edges'."))
return
base = placements_on_path(netRotation,
w, obj.Count, obj.Xlate,
obj.Align, obj.AlignMode,
obj.ForceVertical,
obj.VerticalVector)
else:
base = placements_on_path(obj.Base.Shape.Placement.Rotation,
w, obj.Count, obj.Xlate,
obj.Align, obj.AlignMode,
obj.ForceVertical,
obj.VerticalVector)
base_rotation = obj.Base.Shape.Placement.Rotation
final_rotation = base_rotation
return super(PathArray, self).buildShape(obj, pl, base)
if (obj.Align and obj.AlignMode == "Tangent"
and hasattr(obj, "TangentVector")):
Xaxis = App.Vector(1.0, 0.0, 0.0) # default TangentVector
def getWireFromSubs(self, obj):
if not DraftVecUtils.equals(Xaxis, obj.TangentVector):
# make rotation from TangentVector to X
pre_rotation = App.Rotation(obj.TangentVector, Xaxis)
final_rotation = base_rotation.multiply(pre_rotation)
copy_placements = placements_on_path(final_rotation,
w, obj.Count,
obj.Xlate,
obj.Align, obj.AlignMode,
obj.ForceVertical,
obj.VerticalVector)
return super(PathArray, self).buildShape(obj,
array_placement,
copy_placements)
def get_wires(self, path_object, subelements):
"""Get wires from the path object."""
if subelements:
w = self.get_wire_from_subelements(subelements)
elif (hasattr(path_object.Shape, 'Wires')
and path_object.Shape.Wires):
w = path_object.Shape.Wires[0]
elif path_object.Shape.Edges:
w = Part.Wire(path_object.Shape.Edges)
else:
w = None
return w
def get_wire_from_subelements(self, subelements):
"""Make a wire from PathObj subelements."""
sl = []
for sub in obj.PathSubs:
for sub in subelements:
edgeNames = sub[1]
for n in edgeNames:
e = sub[0].Shape.getElement(n)