def refresh_items(self):
""" Refresh the items of the pattern.
This method destroys the old items and creates and initializes
the new items.
"""
old_items = self.items[:]# if self._dirty else []
old_iter_data = self._iter_data# if self._dirty else {}
iterable = self.windowed_iterable
pattern_nodes = self.pattern_nodes
new_iter_data = sortedmap()
new_items = []
if iterable is not None and len(pattern_nodes) > 0:
for loop_index, loop_item in enumerate(iterable):
iteration = old_iter_data.get(loop_item)
if iteration is not None:
new_iter_data[loop_item] = iteration
new_items.append(iteration)
old_items.remove(iteration)
continue
iteration = []
new_iter_data[loop_item] = iteration
new_items.append(iteration)
for nodes, key, f_locals in pattern_nodes:
with new_scope(key, f_locals) as f_locals:
f_locals['loop_index'] = loop_index
f_locals['loop_item'] = loop_item
for node in nodes:
child = node(None)
if isinstance(child, list):
iteration.extend(child)
else:
iteration.append(child)
# Add to old items list
#self.old_items.extend(old_items)
#if self._dirty:
for iteration in old_items:
for old in iteration:
if not old.is_destroyed:
old.destroy()
if len(new_items) > 0:
expanded = []
recursive_expand(sum(new_items, []), expanded)
self.parent.insert_children(self, expanded)
self.items = new_items# if self._dirty else new_items+old_items
self._iter_data = new_iter_data
def refresh_items(self):
""" Refresh the items of the pattern.
This method destroys the old items and creates and initializes
the new items.
"""
old_items = self.items[:] # if self._dirty else []
old_iter_data = self._iter_data # if self._dirty else {}
iterable = self.windowed_iterable
pattern_nodes = self.pattern_nodes
new_iter_data = sortedmap()
new_items = []
if iterable is not None and len(pattern_nodes) > 0:
for loop_index, loop_item in enumerate(iterable):
iteration = old_iter_data.get(loop_item)
if iteration is not None:
new_iter_data[loop_item] = iteration
new_items.append(iteration)
old_items.remove(iteration)
continue
iteration = []
new_iter_data[loop_item] = iteration
new_items.append(iteration)
for nodes, key, f_locals in pattern_nodes:
with new_scope(key, f_locals) as f_locals:
f_locals['loop_index'] = loop_index
f_locals['loop_item'] = loop_item
for node in nodes:
child = node(None)
if isinstance(child, list):
iteration.extend(child)
else:
iteration.append(child)
# Add to old items list
#self.old_items.extend(old_items)
#if self._dirty:
for iteration in old_items:
for old in iteration:
if not old.is_destroyed:
old.destroy()
if len(new_items) > 0:
expanded = []
recursive_expand(sum(new_items, []), expanded)
self.parent.insert_children(self, expanded)
self.items = new_items # if self._dirty else new_items+old_items
self._iter_data = new_iter_data