class ZeroCenteredChildGroup(ChildGroup):
def __init__(self, **kwargs):
self.zero_centered_items = ZeroCenteredGroup()
kwargs.setdefault('allow_index_resort', True)
super(ZeroCenteredChildGroup, self).__init__(**kwargs)
def get_zero_centered(self, **kwargs):
child = kwargs.get('child')
if child is None:
child_index = kwargs.get('index')
if child_index is None:
child_id = kwargs.get('id')
child = self[child_id]
else:
child = self.indexed_items[child_index]
return self.zero_centered_items.get_zero_centered(child.Index)
def on_child_Index_changed(self, **kwargs):
child = kwargs.get('obj')
old = kwargs.get('old')
value = kwargs.get('value')
if old in self.zero_centered_items:
del self.zero_centered_items[old]
self.zero_centered_items[value] = child
super(ZeroCenteredChildGroup, self).on_child_Index_changed(**kwargs)
def _ChildGroup_on_own_child_update(self, **kwargs):
child = kwargs.get('obj')
mode = kwargs.get('mode')
if mode == 'add':
self.zero_centered_items[child.Index] = child
elif mode == 'remove':
if child.Index in self.zero_centered_items:
del self.zero_centered_items[child.Index]
super(ZeroCenteredChildGroup, self)._ChildGroup_on_own_child_update(**kwargs)
class ZeroCenteredChildGroup(ChildGroup):
def __init__(self, **kwargs):
self.zero_centered_items = ZeroCenteredGroup()
kwargs.setdefault('allow_index_resort', True)
super(ZeroCenteredChildGroup, self).__init__(**kwargs)
def get_zero_centered(self, **kwargs):
child = kwargs.get('child')
if child is None:
child_index = kwargs.get('index')
if child_index is None:
child_id = kwargs.get('id')
child = self[child_id]
else:
child = self.indexed_items[child_index]
return self.zero_centered_items.get_zero_centered(child.Index)
def on_child_Index_changed(self, **kwargs):
child = kwargs.get('obj')
old = kwargs.get('old')
value = kwargs.get('value')
if old in self.zero_centered_items:
del self.zero_centered_items[old]
self.zero_centered_items[value] = child
super(ZeroCenteredChildGroup, self).on_child_Index_changed(**kwargs)
def _ChildGroup_on_own_child_update(self, **kwargs):
child = kwargs.get('obj')
mode = kwargs.get('mode')
if mode == 'add':
self.zero_centered_items[child.Index] = child
elif mode == 'remove':
if child.Index in self.zero_centered_items:
del self.zero_centered_items[child.Index]
super(ZeroCenteredChildGroup,
self)._ChildGroup_on_own_child_update(**kwargs)
def __init__(self, **kwargs):
self.zero_centered_items = ZeroCenteredGroup()
kwargs.setdefault('allow_index_resort', True)
super(ZeroCenteredChildGroup, self).__init__(**kwargs)
def __init__(self, **kwargs):
self.zero_centered_items = ZeroCenteredGroup()
kwargs.setdefault('allow_index_resort', True)
super(ZeroCenteredChildGroup, self).__init__(**kwargs)
