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Add sync_crosshairs_only parameter to create_subchart (#293)

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This commit is contained in:
louisnw
2024-02-24 13:26:59 +00:00
parent 745c14bb7f
commit fff23bd477
2 changed files with 26 additions and 11 deletions
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28
lightweight_charts/js/funcs.js
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@ -310,7 +310,7 @@ if (!window.Chart) {
return num.toString().padStart(8, ' ');
}
legendHandler(param) {
legendHandler(param, usingPoint= false) {
let options = this.chart.series.options()
if (!param.time) {
@ -319,8 +319,6 @@ if (!window.Chart) {
return
}
let usingPoint = !param.point && param.time
let data, logical
if (usingPoint) {
@ -353,7 +351,14 @@ if (!window.Chart) {
str += '| ' + percentStr
}
}
let volumeData = param.seriesData.get(this.chart.volumeSeries)
let volumeData;
if (usingPoint) {
volumeData = this.chart.volumeSeries.dataByIndex(logical)
}
else {
volumeData = param.seriesData.get(this.chart.volumeSeries)
}
if (volumeData) {
str += this.ohlcEnabled ? `<br>V ${this.shorthandFormat(volumeData.value)}` : ''
}
@ -390,7 +395,7 @@ if (!window.Chart) {
window.Legend = Legend
}
function syncCharts(childChart, parentChart) {
function syncCharts(childChart, parentChart, crosshairOnly= false) {
function crosshairHandler(chart, point) {
if (!point) {
@ -398,7 +403,7 @@ function syncCharts(childChart, parentChart) {
return
}
chart.chart.setCrosshairPosition(point.value || point.close, point.time, chart.series);
chart.legend.legendHandler(point)
chart.legend.legendHandler(point, true)
}
function getPoint(series, param) {
@ -406,8 +411,15 @@ function syncCharts(childChart, parentChart) {
return param.seriesData.get(series) || null;
}
let setChildRange = (timeRange) => childChart.chart.timeScale().setVisibleLogicalRange(timeRange)
let setParentRange = (timeRange) => parentChart.chart.timeScale().setVisibleLogicalRange(timeRange)
let setChildRange, setParentRange;
if (crosshairOnly) {
setChildRange = (timeRange) => { }
setParentRange = (timeRange) => { }
}
else {
setChildRange = (timeRange) => childChart.chart.timeScale().setVisibleLogicalRange(timeRange)
setParentRange = (timeRange) => parentChart.chart.timeScale().setVisibleLogicalRange(timeRange)
}
let setParentCrosshair = (param) => {
crosshairHandler(parentChart, getPoint(childChart.series, param))