dwker/lightweight-charts-python
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Added the render_drawings parameter to update

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Added the `round` parameter to `vertical_span`
This commit is contained in:
louisnw
2024-01-21 14:42:54 +00:00
parent f31db04464
commit 5861da2123
6 changed files with 27 additions and 15 deletions
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20
lightweight_charts/js/toolbox.js
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@ -10,6 +10,7 @@ if (!window.ToolBox) {
this.drawings = []
this.chart.cursor = 'default'
this.makingDrawing = false
this.mouseDown = false
this.hoverBackgroundColor = 'rgba(80, 86, 94, 0.7)'
this.clickBackgroundColor = 'rgba(90, 106, 104, 0.7)'
@ -270,7 +271,7 @@ if (!window.ToolBox) {
document.body.style.cursor = this.chart.cursor
hoveringOver = null
contextMenu.listen(false)
if (!mouseDown) {
if (!this.mouseDown) {
document.removeEventListener('mousedown', checkForClick)
document.removeEventListener('mouseup', checkForRelease)
}
@ -281,11 +282,11 @@ if (!window.ToolBox) {
let originalIndex
let originalTime
let originalPrice
let mouseDown = false
this.mouseDown = false
let clickedEnd = false
let labelColor
let checkForClick = (event) => {
mouseDown = true
this.mouseDown = true
document.body.style.cursor = 'grabbing'
this.chart.chart.applyOptions({handleScroll: false})
this.chart.chart.timeScale().applyOptions({shiftVisibleRangeOnNewBar: false})
@ -312,7 +313,7 @@ if (!window.ToolBox) {
document.removeEventListener('mousedown', checkForClick)
}
let checkForRelease = (event) => {
mouseDown = false
this.mouseDown = false
document.body.style.cursor = this.chart.cursor
this.chart.chart.applyOptions({handleScroll: true})
@ -330,7 +331,7 @@ if (!window.ToolBox) {
let checkForDrag = (param) => {
if (!param.point) return
this.chart.chart.unsubscribeCrosshairMove(checkForDrag)
if (!mouseDown) return
if (!this.mouseDown) return
let priceAtCursor = this.chart.series.coordinateToPrice(param.point.y)
@ -363,7 +364,7 @@ if (!window.ToolBox) {
let crosshairHandlerTrend = (param) => {
if (!param.point) return
this.chart.chart.unsubscribeCrosshairMove(crosshairHandlerTrend)
if (!mouseDown) return
if (!this.mouseDown) return
let currentPrice = this.chart.series.coordinateToPrice(param.point.y)
let currentTime = this.chart.chart.timeScale().coordinateToTime(param.point.x)
@ -391,7 +392,7 @@ if (!window.ToolBox) {
let crosshairHandlerHorz = (param) => {
if (!param.point) return
this.chart.chart.unsubscribeCrosshairMove(crosshairHandlerHorz)
if (!mouseDown) return
if (!this.mouseDown) return
hoveringOver.updatePrice(this.chart.series.coordinateToPrice(param.point.y))
setTimeout(() => {
this.chart.chart.subscribeCrosshairMove(crosshairHandlerHorz)
@ -401,6 +402,7 @@ if (!window.ToolBox) {
}
renderDrawings() {
if (this.mouseDown) return
this.drawings.forEach((item) => {
if ('price' in item) return
let startDate = Math.round(item.from[0]/this.chart.interval)*this.chart.interval
@ -414,9 +416,13 @@ if (!window.ToolBox) {
this.chart.series.removePriceLine(drawing.line)
}
else {
let range = this.chart.chart.timeScale().getVisibleLogicalRange()
this.chart.chart.timeScale().applyOptions({shiftVisibleRangeOnNewBar: false})
this.chart.chart.removeSeries(drawing.line);
this.chart.chart.timeScale().applyOptions({shiftVisibleRangeOnNewBar: true})
this.chart.chart.timeScale().setVisibleLogicalRange(range)
}
this.drawings.splice(this.drawings.indexOf(drawing), 1)
this.saveDrawings()