dwker/lightweight-charts-python
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Enhancements & Bug Fixes

Browse Source 
- Updated to Lightweight Charts 4.1
- Topbar menu widgets will now scroll when a large number of items are added to them
- Vertical Spans can now be placed on Line objects

Bugs
- Histograms will now be deleted from the legend
- autoScale is reset to true upon using `set`.
This commit is contained in:
louisnw
2023-10-31 14:19:40 +00:00
parent 5bb3739a40
commit fecfb6531c
6 changed files with 94 additions and 88 deletions
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20
lightweight_charts/js/toolbox.js
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@ -161,8 +161,8 @@ if (!window.ToolBox) {
currentTime = this.chart.chart.timeScale().coordinateToTime(param.point.x)
if (!currentTime) {
let barsToMove = param.logical - this.chart.candleData.length-1
currentTime = lastBar(this.chart.candleData).time+(barsToMove*this.chart.interval)
let barsToMove = param.logical - this.chart.data.length-1
currentTime = lastBar(this.chart.data).time+(barsToMove*this.chart.interval)
}
let currentPrice = this.chart.series.coordinateToPrice(param.point.y)
@ -179,7 +179,7 @@ if (!window.ToolBox) {
this.makingDrawing = true
trendLine = new TrendLine(this.chart, 'rgb(15, 139, 237)', ray)
firstPrice = this.chart.series.coordinateToPrice(param.point.y)
firstTime = !ray ? this.chart.chart.timeScale().coordinateToTime(param.point.x) : lastBar(this.chart.candleData).time
firstTime = !ray ? this.chart.chart.timeScale().coordinateToTime(param.point.x) : lastBar(this.chart.data).time
this.chart.chart.applyOptions({handleScroll: false})
this.chart.chart.subscribeCrosshairMove(crosshairHandlerTrend)
}
@ -337,17 +337,17 @@ if (!window.ToolBox) {
let priceDiff = priceAtCursor - originalPrice
let barsToMove = param.logical - originalIndex
let startBarIndex = this.chart.candleData.findIndex(item => item.time === hoveringOver.from[0])
let endBarIndex = this.chart.candleData.findIndex(item => item.time === hoveringOver.to[0])
let startBarIndex = this.chart.data.findIndex(item => item.time === hoveringOver.from[0])
let endBarIndex = this.chart.data.findIndex(item => item.time === hoveringOver.to[0])
let startDate
let endBar
if (hoveringOver.ray) {
endBar = this.chart.candleData[startBarIndex + barsToMove]
endBar = this.chart.data[startBarIndex + barsToMove]
startDate = hoveringOver.to[0]
} else {
startDate = this.chart.candleData[startBarIndex + barsToMove].time
endBar = endBarIndex === -1 ? null : this.chart.candleData[endBarIndex + barsToMove]
startDate = this.chart.data[startBarIndex + barsToMove].time
endBar = endBarIndex === -1 ? null : this.chart.data[endBarIndex + barsToMove]
}
let endDate = endBar ? endBar.time : hoveringOver.to[0] + (barsToMove * this.chart.interval)
@ -378,8 +378,8 @@ if (!window.ToolBox) {
}
if (!currentTime) {
let barsToMove = param.logical - this.chart.candleData.length-1
currentTime = lastBar(this.chart.candleData).time + (barsToMove*this.chart.interval)
let barsToMove = param.logical - this.chart.data.length-1
currentTime = lastBar(this.chart.data).time + (barsToMove*this.chart.interval)
}
hoveringOver.calculateAndSet(firstTime, firstPrice, currentTime, currentPrice)