def prop_layer(self, prop):
# return property layer containing PROP
for item in self.stack:
if hasattr(item, prop):
return item
# we should never reach this...
raise SketchInternalError('unknown graphics property "%s"' % prop)
def RemoveObjects(self, infolist):
if not infolist:
return NullUndo
sliced = selinfo.list_to_tree_sliced(infolist)
sliced.reverse()
undo = [self.begin_change_children()]
try:
for start, end in sliced:
if type(end) == IntType:
# > 1 adjacent children of self. XXX implement this
raise SketchInternalError('Deletion of multiple objects'
' of BlendGroups not yet'
' implemented')
elif type(end) == ListType:
# remove grandchildren (children of child of self)
if start % 2 == 0:
# control object changes. This should result in
# a recompute() automatically.
undo.append(self.objects[start].RemoveObjects(end))
else:
pass
else:
# a single child. If it's one of our control
# objects, remove self
undo.append(self.do_remove_child(start))
undo.append(self.end_change_children())
return CreateListUndo(undo)
except:
Undo(CreateListUndo(undo))
raise
def read_outlines(ps_name):
filename = font_file_name(ps_name)
if filename:
if __debug__:
pdebug('font', 'read_outlines: %s', filename)
import app.Lib.type1
return app.Lib.type1.read_outlines(filename)
else:
raise SketchInternalError('Cannot find file for font %s' % ps_name)
def end_transaction(self):
self.transaction = self.transaction - 1
if self.transaction == 0:
if self.doc_changed:
self.issue(DOCUMENT, self.document)
self.sb_update_pending = 0
self.doc_changed = 0
self.flush_message_queue()
elif self.transaction < 0:
raise SketchInternalError('transaction count < 0')
def RemoveSlice(self, min, max):
raise SketchInternalError('RemoveSlice not allowed for BlendGroup')