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 DuplicateObjects(self, infolist, offset):
infolist = list_to_tree2(infolist)
objects = self.objects
undo = [self.begin_change_children()]
selection = []
added = 0
try:
for idx, obj in infolist:
idx = idx + added
if type(obj) == ListType:
# duplicate in subobj
sel, undoinfo = objects[idx].DuplicateObjects(obj, offset)
undo.append(undoinfo)
selection = selection + prepend_idx(idx, sel)
else:
obj = obj.Duplicate()
obj.Translate(offset)
sel, undoinfo = self.Insert(obj, idx + 1)
undo.append(undoinfo)
selection.append(sel)
added = added + 1
undo.append(self.end_change_children())
return (selection, CreateListUndo(undo))
except:
Undo(CreateListUndo(undo))
raise
def do_remove_child(self, idx):
undo = []
try:
if idx % 2 == 0:
# a control object
if self.document is not None:
undo.append(self.document.AddClearRect(self.bounding_rect))
if len(self.objects) > 3:
if idx == 0:
undo.append(self.remove(1))
undo.append(self.remove(0))
elif idx == len(self.objects) - 1:
undo.append(self.remove(idx))
undo.append(self.remove(idx - 1))
else:
steps = self.objects[idx + 1].Steps() \
+ self.objects[idx - 1].Steps()
u = (UndoAfter,
CreateMultiUndo(self.remove(idx + 1),
self.remove(idx)),
self.objects[idx - 1].SetParameters(steps))
undo.append(u)
else:
# remove one of only two control objects -> Remove self
undo.append(self.parent.Remove(self))
return CreateListUndo(undo)
else:
# XXX implement this case
raise ValueError, 'BlendGroup: cannot remove non control child'
except:
Undo(CreateListUndo(undo))
raise
def MoveObjectsUp(self, infolist):
sliced = list_to_tree_sliced(infolist)
sliced.reverse()
undo = [self.begin_change_children()]
selection = []
permutation = range(len(self.objects))
objects = self.objects
max = len(objects)
try:
for start, end in sliced:
if type(end) == IntType:
if end < max:
temp = permutation[start:end]
del permutation[start:end]
permutation[start + 1:start + 1] = temp
selection = selection + select_range(
start + 1, objects[start:end])
else:
selection = selection + select_range(
start, objects[start:end])
elif type(end) == ListType:
sel, undo_info = objects[start].MoveObjectsUp(end)
if undo_info is not NullUndo:
undo.append(undo_info)
selection = selection + prepend_idx(start, sel)
else:
if start < max - 1:
del permutation[start]
permutation.insert(start + 1, start)
selection.append(build_info(start + 1, objects[start]))
else:
selection.append(build_info(start, objects[start]))
undo_info = self.permute_objects(permutation)
if undo_info is not NullUndo:
undo.append(undo_info)
undo.append(self.end_change_children())
if len(undo) <= 2:
undo = NullUndo
selection = infolist
else:
undo = CreateListUndo(undo)
return (selection, undo)
except:
Undo(CreateListUndo(undo))
raise
def ForAllUndo(self, func):
# XXX: should we just change start and end and recompute?
self.begin_change_children()
undo = map(func, self.objects)
self.end_change_children(ignore_child_changes=1)
idx = range(0, len(self.objects), 2)
undo = map(operator.getitem, [undo] * len(idx), idx)
return CreateListUndo(undo)
def ForAllUndo(self, func):
if self.objects:
undo = [self.begin_change_children()]
undo = undo + map(func, self.objects)
undo.append(self.end_change_children())
return CreateListUndo(undo)
else:
return NullUndo
def ForAllUndo(self, func):
undoinfo = self.for_all(func)
self.del_lazy_attrs()
if len(undoinfo) == 1:
undoinfo = undoinfo[0]
if type(undoinfo) == ListType:
return CreateListUndo(undoinfo)
return undoinfo
def RemoveObjects(self, infolist):
if not infolist:
return NullUndo
sliced = list_to_tree_sliced(infolist)
sliced.reverse() # important!
undo = [self.begin_change_children()]
try:
for start, end in sliced:
if type(end) == IntType:
undo.append(self.RemoveSlice(start, end))
elif type(end) == ListType:
undo.append(self.objects[start].RemoveObjects(end))
else:
undo.append(self.Remove(end, start))
undo.append(self.end_change_children())
return CreateListUndo(undo)
except:
Undo(CreateListUndo(undo))
raise
def Transform(self, trafo): undo = [self.begin_change_children()] try: undo.append(PluginCompound.Transform(self, trafo)) undo.append(self.set_transformation(trafo(self.trafo))) undo.append(self.end_change_children()) except: undo.reverse() map(Undo, undo) raise return CreateListUndo(undo)
def ForAllUndo2(self, method, *args):
t = time.clock()
methods = map(getattr, self.GetObjects(), [method] * len(self.objects))
#print time.clock() - t,
#undoinfo = self.for_all(func)
undoinfo = map(apply, methods, [args] * len(methods))
#print time.clock() - t
self.del_lazy_attrs()
if len(undoinfo) == 1:
undoinfo = undoinfo[0]
if type(undoinfo) == ListType:
return CreateListUndo(undoinfo)
return undoinfo
def SetProperty(self, **kw): stack = self.stack undo = [] append = undo.append if len(stack) == 1 and not stack[0].is_dynamic: set = stack[0].SetProperty for prop, value in kw.items(): append(set(prop, value)) else: set = self.set_property for prop, value in kw.items(): append(set(prop, value)) if len(self.stack) > 1: undo_stack = (self.set_stack, self.stack[:]) if self.delete_shadowed_layers(): undo.append(undo_stack) undo = CreateListUndo(undo) undo = (UndoAfter, undo, self._clear_cache()) return undo
def undo_changes(self):
Undo(CreateListUndo(self.undo))
def move_objects_to_top(self, infolist, to_bottom=0):
# Implement the public methods MoveToTop (if to_bottom is false)
# and MoveToBottom (if to_bottom is true).
sliced = list_to_tree_sliced(infolist)
sliced.reverse()
undo = [self.begin_change_children()]
selection = []
idxs = []
permutation = range(len(self.objects))
try:
for start, end in sliced:
if type(end) == IntType:
# a contiguous range of self's children (start:end)
idxs[:0] = permutation[start:end]
del permutation[start:end]
elif type(end) == ListType:
# children of self.objects[start]
child = self.objects[start]
sel, undo_info = child.move_objects_to_top(end, to_bottom)
if undo_info is not NullUndo:
undo.append(undo_info)
selection = selection + prepend_idx(start, sel)
else:
# a single object (self.object[start])
idxs.insert(0, start)
del permutation[start]
if idxs:
# direct children of self are involved: apply the
# permutation
if to_bottom:
permutation = idxs + permutation
else:
permutation = permutation + idxs
undo_info = self.permute_objects(permutation)
if undo_info is not NullUndo:
undo.append(undo_info)
# finished:
undo.append(self.end_change_children())
if len(undo) <= 2:
# We haven't really done anything (undo has length 2),
# so we just pass the selection info back unchanged
selection = infolist
undo = NullUndo
else:
# We have done something, so figure out the new
# selection info
undo = CreateListUndo(undo)
if to_bottom:
selection = selection \
+ select_range(0, self.objects[:len(idxs)])
else:
min = len(self.objects) - len(idxs)
selection = selection \
+ select_range(min, self.objects[min:])
return (selection, undo)
except:
# Ooops, something's gone wrong. Undo everything we've done
# so far... (hmm, this currently fails to undo everything if
# undo.append(undo_info) fails... (the undo_info involved
# would be lost))
Undo(CreateListUndo(undo))
raise
