mirror of
https://github.com/freqtrade/frequi.git
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530 lines
14 KiB
Vue
530 lines
14 KiB
Vue
<template>
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<div class="container-fluid flex-column align-items-stretch d-flex">
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<b-modal
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id="plotConfiguratorModal"
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title="Plot Configurator"
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ok-only
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hide-backdrop
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button-size="sm"
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>
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<PlotConfigurator :columns="datasetColumns" v-model="plotConfig" />
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</b-modal>
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<div class="row ml-auto">
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<div class="col-mb-2 mr-2">
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<b-checkbox v-model="useUTC" title="Use UTC for graph">useUtc</b-checkbox>
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</div>
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<div class="col-mb-2 mr-3">
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<b-button @click="showConfigurator" size="sm" title="Plot configurator">
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⚙
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</b-button>
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</div>
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</div>
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<div class="row flex-grow-1 chart-wrapper">
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<v-chart v-if="hasData" theme="dark" autoresize :options="chartOptions" />
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</div>
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</div>
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</template>
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<script lang="ts">
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import { Component, Vue, Prop, Watch } from 'vue-property-decorator';
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import ECharts from 'vue-echarts';
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import * as echarts from 'echarts';
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import { Trade, PairHistory, PlotConfig, EMPTY_PLOTCONFIG } from '@/store/types';
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import randomColor from '@/shared/randomColor';
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import { roundTimeframe } from '@/shared/timemath';
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import { timestampms } from '@/shared/formatters';
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import PlotConfigurator from '@/components/ftbot/PlotConfigurator.vue';
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import { loadCustomPlotConfig } from '@/shared/storage';
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import 'echarts';
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// Chart default options
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const MARGINLEFT = '5%';
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const MARGINRIGHT = '4%';
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const upColor = '#00da3c';
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const upBorderColor = '#008F28';
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const downColor = '#ec0000';
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const downBorderColor = '#8A0000';
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@Component({
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components: { 'v-chart': ECharts, PlotConfigurator },
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})
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export default class CandleChart extends Vue {
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@Prop({ required: true }) readonly timeframe!: string;
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@Prop({ required: true }) readonly timeframems!: number;
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@Prop({ required: false, default: [] }) readonly trades!: Array<Trade>;
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@Prop({ required: true }) readonly dataset!: PairHistory;
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plotConfig: PlotConfig = { ...EMPTY_PLOTCONFIG };
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useUTC = true;
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// Only recalculate buy / sell data if necessary
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signalsCalculated = false;
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buyData = [] as Array<number>[];
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sellData = [] as Array<number>[];
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mounted() {
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this.plotConfig = loadCustomPlotConfig();
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}
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showConfigurator() {
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this.$bvModal.show('plotConfiguratorModal');
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}
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@Watch('timeframe')
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timeframeChanged() {
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this.signalsCalculated = false;
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}
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@Watch('dataset')
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datasetChanged() {
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this.signalsCalculated = false;
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}
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get strategy() {
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return this.dataset ? this.dataset.strategy : '';
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}
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get pair() {
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return this.dataset ? this.dataset.pair : '';
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}
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get datasetColumns() {
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return this.dataset ? this.dataset.columns : [];
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}
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get hasData() {
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return this.dataset !== null && typeof this.dataset === 'object';
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}
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get filteredTrades() {
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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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}
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console.log(`Available Columns: ${this.dataset.columns}`);
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// Find default columns (sequence might be different, depending on the strategy)
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const colDate = this.dataset.columns.findIndex((el) => el === '__date_ts');
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const colOpen = this.dataset.columns.findIndex((el) => el === 'open');
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const colHigh = this.dataset.columns.findIndex((el) => el === 'high');
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const colLow = this.dataset.columns.findIndex((el) => el === 'low');
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const colClose = this.dataset.columns.findIndex((el) => el === 'close');
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const colVolume = this.dataset.columns.findIndex((el) => el === 'volume');
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const colBuyData = this.dataset.columns.findIndex((el) => el === '_buy_signal_open');
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const colSellData = this.dataset.columns.findIndex((el) => el === '_sell_signal_open');
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// Always show ~250 candles max as starting point
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const startingZoom = (1 - 250 / this.dataset.length) * 100;
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const options: echarts.EChartOption = {
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title: {
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text: `${this.strategy} - ${this.pair} - ${this.timeframe}`,
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show: true,
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},
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backgroundColor: '#231202D',
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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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},
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tooltip: {
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trigger: 'axis',
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axisPointer: {
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type: 'cross',
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lineStyle: {
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color: '#cccccc',
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width: 1,
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opacity: 1,
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},
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},
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},
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axisPointer: {
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link: [{ xAxisIndex: 'all' }],
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label: {
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backgroundColor: '#777',
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},
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},
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xAxis: [
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{
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type: 'time',
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scale: true,
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boundaryGap: false,
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axisLine: { onZero: false },
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splitLine: { show: false },
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splitNumber: 20,
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min: 'dataMin',
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max: 'dataMax',
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},
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{
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type: 'time',
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gridIndex: 1,
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scale: true,
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boundaryGap: false,
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axisLine: { onZero: false },
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axisTick: { show: false },
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splitLine: { show: false },
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axisLabel: { show: false },
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splitNumber: 20,
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min: 'dataMin',
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max: 'dataMax',
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},
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],
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yAxis: [
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{
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scale: true,
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},
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{
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scale: true,
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gridIndex: 1,
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splitNumber: 2,
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axisLabel: { show: false },
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axisLine: { show: false },
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axisTick: { show: false },
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splitLine: { show: false },
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},
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],
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grid: [
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{
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left: MARGINLEFT,
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right: MARGINRIGHT,
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height: '60%',
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// top: '0px',
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// bottom: '150px',
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},
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{
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// Volume
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left: MARGINLEFT,
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right: MARGINRIGHT,
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top: '70%',
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height: '10%',
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},
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],
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dataZoom: [
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{
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type: 'inside',
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xAxisIndex: [0, 1],
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start: startingZoom,
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end: 100,
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},
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{
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show: true,
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xAxisIndex: [0, 1],
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type: 'slider',
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bottom: 10,
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start: startingZoom,
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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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type: 'candlestick',
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itemStyle: {
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color: upColor,
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color0: downColor,
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borderColor: upBorderColor,
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borderColor0: downBorderColor,
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},
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encode: {
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x: colDate,
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// open, close, low, high
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y: [colOpen, colClose, colLow, colHigh],
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},
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},
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{
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name: 'Volume',
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type: 'bar',
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xAxisIndex: 1,
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yAxisIndex: 1,
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itemStyle: {
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color: '#777777',
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},
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large: true,
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encode: {
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x: colDate,
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y: colVolume,
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},
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},
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{
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name: 'Buy',
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type: 'scatter',
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symbol: 'triangle',
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symbolSize: 8,
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xAxisIndex: 0,
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yAxisIndex: 0,
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itemStyle: {
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color: '#00FF00',
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},
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encode: {
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x: colDate,
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y: colBuyData,
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},
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},
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{
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name: 'Sell',
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type: 'scatter',
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symbol: 'diamond',
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symbolSize: 8,
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xAxisIndex: 0,
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yAxisIndex: 0,
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itemStyle: {
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color: '#FF0000',
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},
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encode: {
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x: colDate,
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y: colSellData,
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},
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},
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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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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 (options.legend && options.legend.data) {
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options.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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type: value.type || 'line',
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xAxisIndex: 0,
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yAxisIndex: 0,
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itemStyle: {
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color: value.color,
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},
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encode: {
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x: colDate,
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y: col,
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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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}
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});
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}
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if ('subplots' in this.plotConfig) {
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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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scale: true,
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gridIndex: plotIndex,
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name: key,
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nameLocation: 'middle',
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nameGap: 60,
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axisLabel: { show: true },
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axisLine: { show: false },
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axisTick: { show: false },
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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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type: 'time',
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scale: true,
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gridIndex: plotIndex,
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boundaryGap: false,
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axisLine: { onZero: false },
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axisTick: { show: false },
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splitLine: { show: false },
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axisLabel: { show: false },
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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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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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left: MARGINLEFT,
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right: MARGINRIGHT,
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bottom: `${(plotIndex - 1) * 50}px`,
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height: '8%',
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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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}
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// entries per subplot
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const col = this.dataset.columns.findIndex((el) => el === sk);
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if (col > 0) {
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const sp: echarts.EChartOption.Series = {
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name: sk,
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type: sv.type || 'line',
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xAxisIndex: plotIndex,
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yAxisIndex: plotIndex,
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itemStyle: {
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color: sv.color || randomColor(),
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},
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encode: {
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x: colDate,
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y: col,
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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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}
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} else {
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console.log(`element ${sk} was not found in the columns.`);
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}
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});
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plotIndex += 1;
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});
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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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const tradesClose: Array<string | number>[] = [];
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for (let i = 0, len = this.filteredTrades.length; i < len; i += 1) {
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const trade: Trade = this.filteredTrades[i];
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if (
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trade.open_timestamp >= this.dataset.data_start_ts &&
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trade.open_timestamp <= this.dataset.data_stop_ts
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) {
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trades.push([
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timestampms(roundTimeframe(this.timeframems, trade.open_timestamp)),
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trade.open_rate,
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]);
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}
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if (
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trade.close_timestamp !== undefined &&
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trade.close_timestamp < this.dataset.data_stop_ts &&
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trade.close_timestamp > this.dataset.data_start_ts
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) {
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if (trade.close_date !== undefined && trade.close_rate !== undefined) {
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tradesClose.push([
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timestampms(roundTimeframe(this.timeframems, trade.close_timestamp)),
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trade.close_rate,
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]);
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}
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}
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}
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// console.log(`Trades: ${trades.length}`);
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// console.log(trades);
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// console.log(`ClosesTrades: ${tradesClose.length}`);
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// console.log(tradesClose);
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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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}
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const sp: echarts.EChartOption.SeriesScatter = {
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name,
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type: 'scatter',
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xAxisIndex: 0,
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yAxisIndex: 0,
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itemStyle: {
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color: 'cyan',
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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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}
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if (options.legend && options.legend.data) {
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options.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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type: 'scatter',
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xAxisIndex: 0,
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yAxisIndex: 0,
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itemStyle: {
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color: 'pink',
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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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}
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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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}
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// createSignalData(colDate: number, colOpen: number, colBuy: number, colSell: number): void {
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// Calculate Buy and sell Series
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// if (!this.signalsCalculated) {
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// // Generate Buy and sell array (using open rate to display marker)
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// for (let i = 0, len = this.dataset.data.length; i < len; i += 1) {
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// if (this.dataset.data[i][colBuy] === 1) {
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// this.buyData.push([this.dataset.data[i][colDate], this.dataset.data[i][colOpen]]);
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// }
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// if (this.dataset.data[i][colSell] === 1) {
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// this.sellData.push([this.dataset.data[i][colDate], this.dataset.data[i][colOpen]]);
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// }
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// }
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// this.signalsCalculated = true;
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// }
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// }
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}
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</script>
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<style scoped>
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.chart-wrapper {
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width: 100%;
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height: 100%;
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}
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.echarts {
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width: 100%;
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min-height: 820px;
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/* TODO: height calculation is not working correctly - uses min-height for now */
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/* height: 600px; */
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height: 100%;
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}
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</style>
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