def unary_add_child_for_constituentnode(self,
old_node: ConstituentNode,
add_left=True):
"""
:param old_node:
:param add_left:
:return:
"""
label = self.next_free_label()
new_node = self.create_node(label=label, relative=old_node)
children = old_node.get_children(similar=True, visible=False)
if len(children) != 1:
return
child = children[0]
old_edge = old_node.get_edge_to(child)
if add_left:
self.connect_node(parent=old_node,
child=new_node,
direction=g.LEFT,
fade_in=True)
else:
self.connect_node(parent=old_node,
child=new_node,
direction=g.RIGHT,
fade_in=True)
def unary_add_child_for_constituentnode(self, old_node: ConstituentNode, add_left=True):
"""
:param old_node:
:param add_left:
:return:
"""
new_node = self.create_node(relative=old_node)
children = old_node.get_children(similar=True, visible=False)
if len(children) != 1:
return
child = children[0]
old_edge = old_node.get_edge_to(child)
if add_left:
self.connect_node(parent=old_node, child=new_node, direction=g.LEFT, fade_in=True)
else:
self.connect_node(parent=old_node, child=new_node, direction=g.RIGHT, fade_in=True)
def add_sibling_for_constituentnode(self,
old_node: ConstituentNode,
add_left=True):
""" Create a new merger node to top of this node and have this node and new node as its
children.
:param old_node:
:param add_left: adding node to left or right -- if binary nodes, this marks which one
will be projecting.
:return:
"""
new_node = self.create_node(label=self.next_free_label(),
relative=old_node)
new_node.heads = [new_node]
if add_left:
left = new_node
right = old_node
else:
left = old_node
right = new_node
parent_info = [
(e.start, e.direction())
for e in old_node.get_edges_up(similar=True, visible=False)
]
for op, align in parent_info:
self.disconnect_node(parent=op, child=old_node)
merger_node = self.create_merger_node(left=left,
right=right,
new=new_node)
for group in self.groups.values():
if old_node in group:
group.add_node(merger_node)
for op, align in parent_info:
self.connect_node(parent=op,
child=merger_node,
direction=align,
fade_in=True)
merger_node.copy_position(old_node)
merger_node.heads = list(old_node.heads)
def add_sibling_for_constituentnode(self, old_node: ConstituentNode, add_left=True):
""" Create a new merger node to top of this node and have this node and new node as its
children.
:param old_node:
:param add_left: adding node to left or right -- if binary nodes, this marks which one
will be projecting.
:return:
"""
new_node = self.create_node(relative=old_node)
if add_left:
left = new_node
right = old_node
else:
left = old_node
right = new_node
parent_info = [(e.start, e.direction(), e.start.heads) for e in
old_node.get_edges_up(similar=True, visible=False)]
for op, align, head in parent_info:
self.disconnect_node(parent=op, child=old_node)
merger_node = self.create_merger_node(left=left, right=right, new=new_node)
# Fix trees to include new node and especially the new merger node
for tree in set(old_node.trees):
tree.recalculate_top()
tree.update_items()
for group in self.groups.values():
if old_node in group:
group.add_node(merger_node)
for op, align, head in parent_info:
self.connect_node(parent=op, child=merger_node, direction=align, fade_in=True)
merger_node.copy_position(old_node)
merger_node.heads = [old_node]
for op, align, head_nodes in parent_info:
if old_node in head_nodes:
op.heads = list(head_nodes) # fixme: not sure if we treat multiple heads right