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from mcstasscript.instrument_diagram.connections import ConnectionList
from mcstasscript.instrument_diagram.arrow import Arrow
def generate_GROUP_arrows(components, component_box_dict, box_names, color=None):
"""
Generate Arrow objects related to the GROUP keyword
"""
connections = ConnectionList()
groups = {}
for component in components:
if component.GROUP != "":
group_reference = component.GROUP
if group_reference not in groups:
groups[group_reference] = [component_box_dict[component.name]]
else:
groups[group_reference].append(component_box_dict[component.name])
for group_name, group_members in groups.items():
if len(group_members) == 1:
# Meaningless group
continue
base = group_members[0]
connected_list = group_members[1:]
for connected in connected_list:
connections.add(connected, base, info=group_name)
connections.distribute_lane_numbers(box_names=box_names)
arrows = []
for connection in connections.get_connections():
origin = connection.origin
target = connection.target
lane = connection.lane_number + 2 # Make room for group name
group_name = connection.info
arrow = Arrow(origin, target, lane=lane, kind="GROUP", description=group_name)
arrow.set_connection(True)
if color is None:
arrow.color = [0.4, 0.4, 0.4]
else:
arrow.color = color
arrows.append(arrow)
return arrows
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