def _single_time_vis(channel, props) -> Javascript:
##########################################################################################
# TODO: Horrible hack due to horrible JS interface. Change!
# chartType is a visualization concern, and should therefore be in props, not channel
# (also, channel should probably be called src to align with new word for concept)
if 'chart_type' in props:
channel['chartType'] = props['chart_type']
##########################################################################################
js_source = f'renderTimeChannel(element.get(0), {channel}, {props})'.replace(
'True', 'true').replace('None', 'null')
jsobj = Javascript(js_source)
jsobj._trace = {'channel': channel, 'props': props}
return jsobj
def time_vis(channels, props=None) -> Javascript:
"""
Render multiple channels.
:param channels: The channels to render, a list of dicts.
:return:
"""
if not props:
props = {}
channels = [_preprocess_channel(channel) for channel in channels]
js_source = f'renderMultiTimeVis(element.get(0), {channels}, {props})'.replace(
'True', 'true').replace('None', 'null')
jsobj = Javascript(js_source)
jsobj._trace = {'channels': channels, 'props': props}
return jsobj
