def delete_at(self, pos):
assert self.is_online, "Why do we need to delete from an unattached node?"
with hidden_region_list(self.view, self.regkey_keys) as regions:
del regions[pos]
with hidden_region_list(self.view, self.regkey_values) as regions:
del regions[pos]
self.key_nodes.pop(pos).detach()
self.value_nodes.pop(pos).detach()
def insert_at(self, pos, key_region, value_node, value_region):
assert self.is_online, "Why do we need to insert into an unattached node?"
self.key_nodes.insert(pos, JsKey(self))
self.value_nodes.insert(pos, value_node)
value_node.attach_to(self)
with hidden_region_list(self.view, self.regkey_keys) as regions:
regions.insert(pos, key_region)
with hidden_region_list(self.view, self.regkey_values) as regions:
regions.insert(pos, value_region)
def replace_value_node_at(self, pos, new_node, new_reg):
assert self.is_online
old_node = self.value_nodes[pos]
old_node.detach()
new_node.attach_to(self)
self.value_nodes[pos] = new_node
with hidden_region_list(self.view, self.regkey_values) as regions:
regions[pos] = new_reg
def replace_key_node_region_at(self, pos, region):
with hidden_region_list(self.view, self.regkey_keys) as regions:
regions[pos] = region