def proceed(self):
"""Proceed with the command if one object was selected."""
if self.call:
self.view.removeEventCallback("SoEvent", self.call)
self.sel = Gui.Selection.getSelection()[0]
if not self.sel.isDerivedFrom("Part::Feature"):
_wrn(translate("draft", "Cannot offset this object type"))
self.finish()
else:
self.step = 0
self.dvec = None
self.npts = None
self.constrainSeg = None
self.ui.offsetUi()
occmode = utils.param.GetBool("Offset_OCC", False)
self.ui.occOffset.setChecked(occmode)
self.linetrack = trackers.lineTracker()
self.faces = False
self.shape = self.sel.Shape
self.mode = None
if utils.getType(self.sel) in ("Circle", "Arc"):
self.ghost = trackers.arcTracker()
self.mode = "Circle"
self.center = self.shape.Edges[0].Curve.Center
self.ghost.setCenter(self.center)
self.ghost.setStartAngle(math.radians(self.sel.FirstAngle))
self.ghost.setEndAngle(math.radians(self.sel.LastAngle))
elif utils.getType(self.sel) == "BSpline":
self.ghost = trackers.bsplineTracker(points=self.sel.Points)
self.mode = "BSpline"
elif utils.getType(self.sel) == "BezCurve":
_wrn(
translate(
"draft", "Offset of Bezier curves "
"is currently not supported"))
self.finish()
return
else:
if len(self.sel.Shape.Edges) == 1:
import Part
if isinstance(self.sel.Shape.Edges[0].Curve, Part.Circle):
self.ghost = trackers.arcTracker()
self.mode = "Circle"
self.center = self.shape.Edges[0].Curve.Center
self.ghost.setCenter(self.center)
if len(self.sel.Shape.Vertexes) > 1:
_edge = self.sel.Shape.Edges[0]
self.ghost.setStartAngle(_edge.FirstParameter)
self.ghost.setEndAngle(_edge.LastParameter)
if not self.ghost:
self.ghost = trackers.wireTracker(self.shape)
self.mode = "Wire"
self.call = self.view.addEventCallback("SoEvent", self.action)
_msg(translate("draft", "Pick distance"))
if self.planetrack:
self.planetrack.set(self.shape.Vertexes[0].Point)
self.running = True
def initGhost(self, obj):
"""Initialize preview ghost."""
if utils.get_type(obj) == "Wire":
return trackers.wireTracker(obj.Shape)
elif utils.get_type(obj) == "BSpline":
return trackers.bsplineTracker()
elif utils.get_type(obj) == "BezCurve":
return trackers.bezcurveTracker()
elif utils.get_type(obj) == "Circle":
return trackers.arcTracker()
def init_preview_object(self, obj):
return trackers.wireTracker(obj.Shape)