def test_allow(commentline, comment):
aspect = Connector(commentline, commentline.handles()[0])
assert aspect.item is commentline
assert aspect.handle is commentline.handles()[0]
sink = ConnectionSink(comment, comment.ports()[0])
assert aspect.allow(sink)
def test_allow(self):
aspect = Connector(self.commentline, self.commentline.handles()[0])
assert aspect.item is self.commentline
assert aspect.handle is self.commentline.handles()[0]
sink = ConnectionSink(self.comment, self.comment.ports()[0])
assert aspect.allow(sink)
def test_allow(self):
aspect = Connector(self.commentline, self.commentline.handles()[0])
assert aspect.item is self.commentline
assert aspect.handle is self.commentline.handles()[0]
sink = ConnectionSink(self.comment, self.comment.ports()[0])
assert aspect.allow(sink)
def glue(self, pos, distance=None):
"""
Glue to an item near a specific point.
Returns a ConnectionSink or None.
"""
item = self.item
handle = self.handle
view = self.view
if distance is None:
distance = self.GLUE_DISTANCE
if not handle.connectable:
return None
state_v, port, glue_pos = view.get_port_at_point(
pos,
distance=distance,
exclude=(item, ),
exclude_port_fun=self._exclude_port)
# check if item and found item can be connected on closest port
if port is not None:
assert state_v is not None
connector = Connector(self.item, self.handle)
sink = ConnectionSink(state_v, port)
if connector.allow(sink):
# transform coordinates from view space to the item space and
# update position of item's handle
v2i = view.get_matrix_v2i(item).transform_point
handle.pos = v2i(*glue_pos)
return sink
state_l = view.get_state_at_point(pos, distance=distance)
state_v = state_l
if state_v is not None and not state_v.model.state.is_root_state:
return ConnectionSink(state_v, None)
return None
