signals.rst

Signals

tree_manipulation

Fires off a signal on tree manipulation, e.g. a move() method. Sends the following:

Variable	Description	Allowed values
action	What tree manipulation method was called?	add_child add_sibling move update
target_node_type	Class of the target node.	If a StoryElementNode, this will be the value of story_element_type. If an ArcElementNode, it will be the value of arc_element_type.
target_node	The node to which this is being move in relation to.	If this is a move action, this will be populated with the target node for the move.
pos	Position relative to the target_node that this cell should be added to. Only populated when action is equal to move.	left right first-child last-child first-sibling last-sibling