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allow multiple range_change selectors

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louisnw
2024-05-25 14:33:09 +01:00
parent f5488fbf22
commit eaa961a184
1 changed files with 7 additions and 6 deletions
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13
lightweight_charts/util.py
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@ -143,17 +143,18 @@ class Events:
{chart.id}.search = Handler.makeSearchBox({chart.id})
''')
)
self.range_change = JSEmitter(chart, f'range_change{chart.id}',
salt = chart.id[chart.id.index('.')+1:]
self.range_change = JSEmitter(chart, f'range_change{salt}',
lambda o: chart.run_script(f'''
let checkLogicalRange = (logical) => {{
{chart.id}.chart.timeScale().unsubscribeVisibleLogicalRangeChange(checkLogicalRange)
let checkLogicalRange{salt} = (logical) => {{
{chart.id}.chart.timeScale().unsubscribeVisibleLogicalRangeChange(checkLogicalRange{salt})
let barsInfo = {chart.id}.series.barsInLogicalRange(logical)
if (barsInfo) window.callbackFunction(`range_change{chart.id}_~_${{barsInfo.barsBefore}};;;${{barsInfo.barsAfter}}`)
if (barsInfo) window.callbackFunction(`range_change{salt}_~_${{barsInfo.barsBefore}};;;${{barsInfo.barsAfter}}`)
setTimeout(() => {chart.id}.chart.timeScale().subscribeVisibleLogicalRangeChange(checkLogicalRange), 50)
setTimeout(() => {chart.id}.chart.timeScale().subscribeVisibleLogicalRangeChange(checkLogicalRange{salt}), 50)
}}
{chart.id}.chart.timeScale().subscribeVisibleLogicalRangeChange(checkLogicalRange)
{chart.id}.chart.timeScale().subscribeVisibleLogicalRangeChange(checkLogicalRange{salt})
'''),
wrapper=lambda o, c, *arg: o(c, *[float(a) for a in arg])
)