mirror of
https://github.com/freqtrade/frequi.git
synced 2024-11-11 02:33:51 +00:00
Convert chartOptions from getter to property
This will give us more control over repainting
This commit is contained in:
Matthias
parent
1ed52ef6a1
commit
45e167265f
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@ -52,6 +52,8 @@ export default class CandleChart extends Vue {
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sellData = [] as Array<number>[];
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chartOptions: echarts.EChartOption = {};
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@Watch('timeframe')
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timeframeChanged() {
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this.signalsCalculated = false;
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@ -60,6 +62,7 @@ export default class CandleChart extends Vue {
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@Watch('dataset')
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datasetChanged() {
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this.signalsCalculated = false;
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this.updateChart();
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}
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get strategy() {
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@ -90,40 +93,18 @@ export default class CandleChart extends Vue {
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return this.trades.filter((item: Trade) => item.pair === this.pair);
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}
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get chartOptions() {
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if (!this.hasData) {
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return {};
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mounted() {
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this.initializeChartOptions();
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}
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// console.log(`Available Columns: ${this.dataset.columns}`);
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// Find default columns (sequence might be different, depending on the strategy)
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const colDate = this.dataset.columns.findIndex((el) => el === '__date_ts');
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const colOpen = this.dataset.columns.findIndex((el) => el === 'open');
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const colHigh = this.dataset.columns.findIndex((el) => el === 'high');
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const colLow = this.dataset.columns.findIndex((el) => el === 'low');
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const colClose = this.dataset.columns.findIndex((el) => el === 'close');
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const colVolume = this.dataset.columns.findIndex((el) => el === 'volume');
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const colBuyData = this.dataset.columns.findIndex((el) => el === '_buy_signal_open');
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const colSellData = this.dataset.columns.findIndex((el) => el === '_sell_signal_open');
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const subplotCount =
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'subplots' in this.plotConfig ? Object.keys(this.plotConfig.subplots).length : 0;
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// console.log(`subplotcount: ${subplotCount}`);
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// Always show ~250 candles max as starting point
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const startingZoom = (1 - 250 / this.dataset.length) * 100;
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const options: echarts.EChartOption = {
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initializeChartOptions() {
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this.chartOptions = {
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title: {
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text: `${this.strategy} - ${this.pair} - ${this.timeframe}`,
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show: true,
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},
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backgroundColor: '#1b1b1b',
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useUTC: this.useUTC,
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dataset: {
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source: this.dataset.data,
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},
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animation: false,
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legend: {
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data: ['Candles', 'Volume', 'Buy', 'Sell'],
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@ -189,6 +170,47 @@ export default class CandleChart extends Vue {
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splitLine: { show: false },
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},
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],
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// visualMap: {
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// // TODO: this would allow to colorize volume bars (if we'd want this)
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// // Needs green / red indicator column in data.
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// show: true,
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// seriesIndex: 1,
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// dimension: 5,
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// pieces: [
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// {
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// max: 500000.0,
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// color: downColor,
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// },
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// {
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// min: 500000.0,
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// color: upColor,
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// },
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// ],
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// },
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};
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this.updateChart();
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}
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updateChart() {
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if (!this.hasData) {
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return;
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}
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const colDate = this.dataset.columns.findIndex((el) => el === '__date_ts');
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const colOpen = this.dataset.columns.findIndex((el) => el === 'open');
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const colHigh = this.dataset.columns.findIndex((el) => el === 'high');
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const colLow = this.dataset.columns.findIndex((el) => el === 'low');
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const colClose = this.dataset.columns.findIndex((el) => el === 'close');
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const colVolume = this.dataset.columns.findIndex((el) => el === 'volume');
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const colBuyData = this.dataset.columns.findIndex((el) => el === '_buy_signal_open');
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const colSellData = this.dataset.columns.findIndex((el) => el === '_sell_signal_open');
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const subplotCount =
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'subplots' in this.plotConfig ? Object.keys(this.plotConfig.subplots).length : 0;
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const startingZoom = (1 - 250 / this.dataset.length) * 100;
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const options: echarts.EChartOption = {
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dataset: {
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source: this.dataset.data,
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},
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grid: [
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{
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left: MARGINLEFT,
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@ -221,23 +243,6 @@ export default class CandleChart extends Vue {
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end: 100,
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},
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],
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// visualMap: {
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// // TODO: this would allow to colorize volume bars (if we'd want this)
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// // Needs green / red indicator column in data.
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// show: true,
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// seriesIndex: 1,
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// dimension: 5,
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// pieces: [
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// {
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// max: 500000.0,
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// color: downColor,
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// },
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// {
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// min: 500000.0,
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// color: upColor,
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// },
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// ],
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// },
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series: [
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{
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name: 'Candles',
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@ -302,24 +307,15 @@ export default class CandleChart extends Vue {
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],
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};
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// this.createSignalData(colDate, colOpen, colBuy, colSell);
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// This will be merged into final plot config
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// const subPlots = {
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// legend: [] as string[],
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// grid: [] as object[],
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// yaxis: [] as object[],
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// xaxis: [] as object[],
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// xaxisIndex: [] as number[],
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// series: [] as object[],
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// };
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// Merge this into original data
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Object.assign(this.chartOptions, options);
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if ('main_plot' in this.plotConfig) {
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Object.entries(this.plotConfig.main_plot).forEach(([key, value]) => {
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const col = this.dataset.columns.findIndex((el) => el === key);
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if (col > 1) {
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if (options.legend && options.legend.data) {
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options.legend.data.push(key);
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if (this.chartOptions.legend && this.chartOptions.legend.data) {
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this.chartOptions.legend.data.push(key);
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}
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const sp: echarts.EChartOption.Series = {
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name: key,
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@ -335,8 +331,8 @@ export default class CandleChart extends Vue {
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},
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showSymbol: false,
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};
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if (options.series) {
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options.series.push(sp);
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if (this.chartOptions.series) {
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this.chartOptions.series.push(sp);
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}
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} else {
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console.log(`element ${key} for main plot not found in columns.`);
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@ -349,8 +345,8 @@ export default class CandleChart extends Vue {
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let plotIndex = 2;
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Object.entries(this.plotConfig.subplots).forEach(([key, value]) => {
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// define yaxis
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if (options.yAxis && Array.isArray(options.yAxis)) {
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options.yAxis.push({
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if (this.chartOptions.yAxis && Array.isArray(this.chartOptions.yAxis)) {
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this.chartOptions.yAxis.push({
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scale: true,
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gridIndex: plotIndex,
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name: key,
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@ -362,8 +358,8 @@ export default class CandleChart extends Vue {
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splitLine: { show: false },
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});
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}
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if (options.xAxis && Array.isArray(options.xAxis)) {
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options.xAxis.push({
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if (this.chartOptions.xAxis && Array.isArray(this.chartOptions.xAxis)) {
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this.chartOptions.xAxis.push({
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type: 'time',
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scale: true,
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gridIndex: plotIndex,
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@ -375,13 +371,13 @@ export default class CandleChart extends Vue {
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splitNumber: 20,
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});
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}
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if (options.dataZoom) {
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options.dataZoom.forEach((el) =>
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if (this.chartOptions.dataZoom) {
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this.chartOptions.dataZoom.forEach((el) =>
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el.xAxisIndex && Array.isArray(el.xAxisIndex) ? el.xAxisIndex.push(plotIndex) : null,
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);
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}
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if (options.grid && Array.isArray(options.grid)) {
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options.grid.push({
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if (this.chartOptions.grid && Array.isArray(this.chartOptions.grid)) {
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this.chartOptions.grid.push({
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left: MARGINLEFT,
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right: MARGINRIGHT,
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bottom: `${plotIndex * 8}%`,
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@ -389,8 +385,12 @@ export default class CandleChart extends Vue {
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});
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}
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Object.entries(value).forEach(([sk, sv]) => {
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if (options.legend && options.legend.data && Array.isArray(options.legend.data)) {
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options.legend.data.push(sk);
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if (
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this.chartOptions.legend &&
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this.chartOptions.legend.data &&
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Array.isArray(this.chartOptions.legend.data)
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) {
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this.chartOptions.legend.data.push(sk);
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}
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// entries per subplot
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const col = this.dataset.columns.findIndex((el) => el === sk);
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@ -409,8 +409,8 @@ export default class CandleChart extends Vue {
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},
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showSymbol: false,
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};
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if (options.series && Array.isArray(options.series)) {
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options.series.push(sp);
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if (this.chartOptions.series && Array.isArray(this.chartOptions.series)) {
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this.chartOptions.series.push(sp);
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}
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} else {
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console.log(`element ${sk} was not found in the columns.`);
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@ -426,12 +426,11 @@ export default class CandleChart extends Vue {
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// options.xAxis[options.xAxis.length - 1].axisLabel.show = true;
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// options.xAxis[options.xAxis.length - 1].axisTick.show = true;
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// }
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if (options.grid && Array.isArray(options.grid)) {
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if (this.chartOptions.grid && Array.isArray(this.chartOptions.grid)) {
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// Last subplot is bottom
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options.grid[options.grid.length - 1].bottom = '50px';
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delete options.grid[options.grid.length - 1].top;
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this.chartOptions.grid[this.chartOptions.grid.length - 1].bottom = '50px';
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delete this.chartOptions.grid[this.chartOptions.grid.length - 1].top;
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}
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if (this.filteredTrades.length > 0) {
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// Show trades
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const trades: Array<string | number>[] = [];
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@ -464,8 +463,8 @@ export default class CandleChart extends Vue {
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const name = 'Trades';
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const nameClose = 'Trades Close';
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if (options.legend && options.legend.data) {
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options.legend.data.push(name);
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if (this.chartOptions.legend && this.chartOptions.legend.data) {
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this.chartOptions.legend.data.push(name);
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}
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const sp: echarts.EChartOption.SeriesScatter = {
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name,
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@ -477,11 +476,11 @@ export default class CandleChart extends Vue {
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},
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data: trades,
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};
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if (options.series) {
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options.series.push(sp);
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if (this.chartOptions.series) {
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this.chartOptions.series.push(sp);
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}
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if (options.legend && options.legend.data) {
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options.legend.data.push(nameClose);
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if (this.chartOptions.legend && this.chartOptions.legend.data) {
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this.chartOptions.legend.data.push(nameClose);
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}
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const closeSeries: echarts.EChartOption.SeriesScatter = {
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name: nameClose,
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@ -493,14 +492,12 @@ export default class CandleChart extends Vue {
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},
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data: tradesClose,
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};
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if (options.series) {
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options.series.push(closeSeries);
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if (this.chartOptions.series) {
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this.chartOptions.series.push(closeSeries);
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}
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}
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// console.log(options);
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// TODO: Rebuilding this causes a full redraw for every new step
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return options;
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console.log('chartOptions', this.chartOptions);
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}
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// createSignalData(colDate: number, colOpen: number, colBuy: number, colSell: number): void {
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