bind_event.py

import hive


class EventBindClass:

    def __init__(self):
        pass


class EventCls:

    def __init__(self):
        self._add_handler = None

    def set_add_handler(self, add_handler):
        add_handler(self._on_event)

    def set_register_bind_cls(self, register_bind_cls):
        # Register some bind class required to redeclare "add_handler"
        # Called from plugin/sockets, hence once per BindEvent instance
        pass

    def _on_event(self, event):
        # Pass events to the bound hive if appropriate
        pass


def declare_bind(meta_args):
    meta_args.bind_event = hive.parameter("bool", True)
    meta_args.event_dispatch_mode = hive.parameter("str", 'by_leader', {'by_leader', 'all'})


def build_bind(cls, i, ex, args, meta_args):
    i.event_dispatch_mode = hive.property(cls, "dispatch_mode", "str", meta_args.event_dispatch_mode)

    if meta_args.bind_event:
        ex.set_register_bind_cls = hive.socket(cls.set_register_bind_cls, identifier=("bind", "register_class"))
        ex.set_add_handler = hive.socket(cls.set_add_handler, identifier=("event", "add_handler"))


BindEvent = hive.dyna_hive("BindEvent", build_bind, declarator=declare_bind, cls=EventCls)