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79 lines
2.7 KiB
79 lines
2.7 KiB
from traitlets import (Unicode, Instance, Union, List, Any, Dict)
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from ipywidgets import DOMWidget
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from ipywidgets.widgets.widget import (widget_serialization, CallbackDispatcher)
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from ._version import semver
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from .ForceLoad import force_load_instance
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class Events(object):
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def __init__(self, **kwargs):
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self._event_handlers_map = {}
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self.on_msg(self._handle_event)
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def on_event(self, event_and_modifiers, callback, remove=False):
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new_event = event_and_modifiers.split('.')[0]
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for existing_event in [event for event in self._event_handlers_map.keys()
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if event == new_event or event.startswith(new_event + '.')]:
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del self._event_handlers_map[existing_event]
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self._event_handlers_map[event_and_modifiers] = CallbackDispatcher()
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self._event_handlers_map[event_and_modifiers].register_callback(callback, remove=remove)
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if remove and not self._event_handlers_map[event_and_modifiers].callbacks:
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del self._event_handlers_map[event_and_modifiers]
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difference = set(self._event_handlers_map.keys()) ^ set(self._events)
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if len(difference) != 0:
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self._events = list(self._event_handlers_map.keys())
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def fire_event(self, event, data):
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self._event_handlers_map[event](self, event, data)
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def _handle_event(self, _, content, buffers):
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event = content.get("event", "")
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data = content.get("data", {})
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self.fire_event(event, data)
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class VueWidget(DOMWidget, Events):
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# Force the loading of jupyter-vue before dependent extensions when in a static context (embed,
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# voila)
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_jupyter_vue = Any(force_load_instance, read_only=True).tag(sync=True, **widget_serialization)
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_model_name = Unicode('VueModel').tag(sync=True)
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_view_name = Unicode('VueView').tag(sync=True)
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_view_module = Unicode('jupyter-vue').tag(sync=True)
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_model_module = Unicode('jupyter-vue').tag(sync=True)
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_view_module_version = Unicode(semver).tag(sync=True)
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_model_module_version = Unicode(semver).tag(sync=True)
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children = List(Union([
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Instance(DOMWidget),
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Unicode()
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], default_value=None)).tag(sync=True, **widget_serialization)
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slot = Unicode(None, allow_none=True).tag(sync=True)
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_events = List(Unicode(), default_value=None, allow_none=True).tag(sync=True)
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v_model = Any('!!disabled!!', allow_none=True).tag(sync=True)
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style_ = Unicode(None, allow_none=True).tag(sync=True)
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class_ = Unicode(None, allow_none=True).tag(sync=True)
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attributes = Dict(None, allow_none=True).tag(sync=True)
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v_slots = List(Dict()).tag(sync=True, **widget_serialization)
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v_on = Unicode(None, allow_none=True).tag(sync=True)
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__all__ = ['VueWidget']
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