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import sys
import inkex
import cubicsuperpath
from .base import InkstitchExtension
from ..i18n import _
from ..elements import SatinColumn
class Flip(InkstitchExtension):
def flip(self, satin):
csp = cubicsuperpath.parsePath(satin.node.get("d"))
if len(csp) > 1:
# find the rails (the two longest paths) and swap them
indices = range(len(csp))
indices.sort(key=lambda i: len(csp[i]), reverse=True)
first = indices[0]
second = indices[1]
csp[first], csp[second] = csp[second], csp[first]
satin.node.set("d", cubicsuperpath.formatPath(csp))
def effect(self):
if not self.get_elements():
return
if not self.selected:
inkex.errormsg(_("Please select one or more satin columns to flip."))
return
for element in self.elements:
if isinstance(element, SatinColumn):
self.flip(element)
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