import React, {Component} from 'react'
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import PropTypes from 'prop-types'
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import { is, fromJS } from 'immutable'
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import { Chart } from '@antv/g2'
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import DataSet from '@antv/data-set'
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import zhCN from '@/locales/zh-CN/model.js'
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import enUS from '@/locales/en-US/model.js'
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import './index.scss'
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class LineChart extends Component {
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static propTpyes = {
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plot: PropTypes.object,
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data: PropTypes.array,
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config: PropTypes.object
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}
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state = {
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dict: (!localStorage.getItem('lang') || localStorage.getItem('lang') === 'zh-CN') ? zhCN : enUS,
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}
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componentDidMount () {
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this.viewrender()
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}
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UNSAFE_componentWillReceiveProps (nextProps) {
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if (!is(fromJS(this.props.data), fromJS(nextProps.data))) {
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this.setState({}, () => {
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let _element = document.getElementById(this.props.plot.uuid)
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if (_element) {
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_element.innerHTML = ''
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}
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this.viewrender()
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})
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}
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}
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getdata = () => {
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const { data, plot, config } = this.props
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let vFields = plot.Yaxis && typeof(plot.Yaxis) === 'string' ? [plot.Yaxis] : plot.Yaxis
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let _columns = config.columns.filter(col => vFields.includes(col.field))
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if (!data) return []
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let _data = []
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let _cdata = fromJS(data).toJS()
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if (plot.repeat === 'average') {
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let _mdata = new Map()
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_cdata.forEach(item => {
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_columns.forEach(col => {
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if (typeof(item[col.field]) !== 'number') {
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item[col.field] = parseFloat(item[col.field])
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if (isNaN(item[col.field])) {
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item[col.field] = 0
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}
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}
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if (col.format === 'percent') {
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item[col.field] = item[col.field] * 100
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}
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})
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if (item[plot.Xaxis] && !_mdata.has(item[plot.Xaxis])) {
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item.$count = 1
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_mdata.set(item[plot.Xaxis], item)
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} else if (item[plot.Xaxis]) {
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let _item = _mdata.get(item[plot.Xaxis])
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_item.$count++
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vFields.forEach(field => {
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_item[field] += item[field]
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})
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}
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})
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_data = [..._mdata.values()]
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_data = _data.map(item => {
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_columns.forEach(col => {
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item[col.field] = item[col.field] / item.$count
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item[col.field] = item[col.field].toFixed(col.decimal)
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item[col.field] = +item[col.field]
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})
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return item
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})
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} else if (plot.repeat === 'cumsum') {
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let _mdata = new Map()
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_cdata.forEach(item => {
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_columns.forEach(col => {
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if (typeof(item[col.field]) !== 'number') {
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item[col.field] = parseFloat(item[col.field])
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if (isNaN(item[col.field])) {
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item[col.field] = 0
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}
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}
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if (col.format === 'percent') {
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item[col.field] = item[col.field] * 100
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}
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})
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if (item[plot.Xaxis] && !_mdata.has(item[plot.Xaxis])) {
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_mdata.set(item[plot.Xaxis], item)
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} else if (item[plot.Xaxis]) {
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let _item = _mdata.get(item[plot.Xaxis])
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vFields.forEach(field => {
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_item[field] += item[field]
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})
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}
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})
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_data = [..._mdata.values()]
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_data = _data.map(item => {
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_columns.forEach(col => {
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item[col.field] = item[col.field].toFixed(col.decimal)
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item[col.field] = +item[col.field]
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})
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return item
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})
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} else { // plot.repeat === 'unrepeat'
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let _mdata = new Map()
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_cdata.forEach(item => {
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if (item[plot.Xaxis] && !_mdata.has(item[plot.Xaxis])) {
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_columns.forEach(col => {
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if (typeof(item[col.field]) !== 'number') {
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item[col.field] = parseFloat(item[col.field])
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if (isNaN(item[col.field])) {
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item[col.field] = 0
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}
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}
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if (col.format === 'percent') {
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item[col.field] = item[col.field] * 100
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}
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item[col.field] = item[col.field].toFixed(col.decimal)
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item[col.field] = +item[col.field]
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})
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_mdata.set(item[plot.Xaxis], item)
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}
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})
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_data = [..._mdata.values()]
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}
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return _data
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}
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viewrender = () => {
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const { plot } = this.props
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if (plot.chartType === 'line') {
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this.linerender()
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} else if (plot.chartType === 'bar') {
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this.barrender()
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} else if (plot.chartType === 'pie') {
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this.pierender()
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}
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}
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linerender = () => {
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const { plot, config } = this.props
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let transfield = {}
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config.columns.forEach(col => {
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if (col.field) {
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transfield[col.field] = col.label
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}
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})
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// const colors = ['#f49d37', '#f03838', '#35d1d1', '#5be56b', '#4e7af0', '#ebcc21']
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let X_axis = plot.Xaxis
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let Y_axis = plot.Yaxis
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let data = this.getdata()
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const ds = new DataSet()
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const dv = ds.createView().source(data)
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dv.transform({
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type: 'fold',
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fields: [...Y_axis],
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key: 'key', // key字段
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value: 'value', // value字段
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// retains: [], // 保留字段集，默认为除 fields 以外的所有字段
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})
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if (plot.Xaxis) {
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dv.transform({
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type: 'map',
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callback(row) {
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row.key = transfield[row.key]
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return row
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},
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})
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}
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const chart = new Chart({
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container: plot.uuid,
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autoFit: true,
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height: plot.height || 400
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})
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chart.data(dv.rows)
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if (plot.coordinate !== 'polar') {
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chart.scale(X_axis, {
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range: [0, 1]
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})
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}
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chart.scale('value', {
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nice: true
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})
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if (!plot.legend || plot.legend === 'hidden') {
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chart.legend(false)
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} else {
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chart.legend({
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position: plot.legend
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})
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}
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if (plot.tooltip !== 'true') {
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chart.tooltip(false)
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} else {
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chart.tooltip({
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shared: true
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})
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}
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if (plot.transpose === 'true') {
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chart.coordinate().transpose()
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}
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if (plot.coordinate === 'polar') {
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chart.coordinate('polar', {
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innerRadius: 0.1,
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radius: 0.8
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})
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}
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let _chart = chart
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.line()
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.position(`${X_axis}*value`)
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.color('key')
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.shape(plot.shape || 'smooth')
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if (plot.label === 'true') {
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_chart.label('value')
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}
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if (plot.point === 'true') {
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chart
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.point()
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.position(`${X_axis}*value`)
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.color('key')
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.size(3)
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.shape('circle')
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}
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chart.render()
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}
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barrender = () => {
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const { plot, config } = this.props
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let transfield = {}
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config.columns.forEach(col => {
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if (col.field) {
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transfield[col.field] = col.label
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}
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})
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let X_axis = plot.Xaxis
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let Y_axis = plot.Yaxis
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let data = this.getdata()
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const ds = new DataSet()
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const dv = ds.createView().source(data)
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dv.transform({
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type: 'fold',
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fields: [...Y_axis],
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key: 'key',
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value: 'value'
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})
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if (plot.Xaxis) {
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dv.transform({
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type: 'map',
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callback(row) {
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row.key = transfield[row.key]
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return row
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},
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})
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}
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const chart = new Chart({
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container: plot.uuid,
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autoFit: true,
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height: plot.height || 400
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})
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chart.data(dv.rows)
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chart.scale('value', {
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nice: true
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})
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if (!plot.legend || plot.legend === 'hidden') {
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chart.legend(false)
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} else {
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chart.legend({
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position: plot.legend
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})
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}
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if (plot.tooltip !== 'true') {
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chart.tooltip(false)
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} else {
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chart.tooltip({
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shared: true
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})
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}
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if (plot.transpose === 'true') {
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chart.coordinate().transpose()
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}
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if (plot.coordinate === 'polar') {
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chart.coordinate('polar', {
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innerRadius: 0.1,
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radius: 0.8
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})
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}
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if (plot.adjust !== 'stack') {
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chart
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.interval()
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.position(`${X_axis}*value`)
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.color('key')
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.adjust([
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{
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type: 'dodge',
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marginRatio: 0
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}
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])
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.shape(plot.shape || 'rect')
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} else if (plot.adjust === 'stack') {
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chart
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.interval()
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.position(`${X_axis}*value`)
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.color('key')
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.adjust('stack')
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.shape(plot.shape || 'rect')
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}
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chart.render()
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}
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pierender = () => {
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const { plot, config } = this.props
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let transfield = {}
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config.columns.forEach(col => {
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if (col.field) {
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transfield[col.field] = col.label
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}
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})
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let X_axis = plot.Xaxis
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let Y_axis = plot.Yaxis
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let data = this.getdata()
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if (data.length === 0) {
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return
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}
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const ds = new DataSet()
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const dv = ds.createView().source(data)
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if (plot.pieshow !== 'value') {
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dv.transform({
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type: 'percent',
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field: Y_axis,
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dimension: X_axis,
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as: 'percent'
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})
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}
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const chart = new Chart({
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container: plot.uuid,
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autoFit: true,
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height: plot.height || 400
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})
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chart.data(dv.rows)
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if (plot.pieshow !== 'value') {
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chart.scale('percent', {
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formatter: (val) => {
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val = val * 100 + '%'
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return val
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}
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})
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}
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chart.coordinate('theta', {
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innerRadius: plot.shape === 'ring' ? 0.6 : 0,
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radius: 0.75,
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})
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if (!plot.legend || plot.legend === 'hidden') {
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chart.legend(false)
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} else {
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chart.legend({
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position: plot.legend
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})
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}
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if (plot.tooltip !== 'true') {
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chart.tooltip(false)
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} else {
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chart.tooltip({
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showTitle: false,
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showMarkers: false
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})
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}
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if (plot.pieshow !== 'value') {
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let _chart = chart
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.interval()
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.adjust('stack')
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.position('percent')
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.color(X_axis)
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.tooltip(X_axis + '*percent', (item, percent) => {
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percent = (percent * 100).toFixed(2) + '%'
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return {
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name: item,
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value: percent
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}
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})
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if (plot.label === 'true') {
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let setting = {
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content: (data) => {
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return `${data[X_axis]}: ${(data.percent * 100).toFixed(2)}%`
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}
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}
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if (plot.labelLayout === 'overlap') {
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setting.type = 'pie'
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setting.layout = {
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type: 'overlap'
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}
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setting.offset = 0
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// setting.style = {
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// textAlign: 'center',
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// fontSize: 12,
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// fill: '#535353'
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// }
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}
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_chart.label('percent', setting)
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}
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} else {
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let _chart = chart
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.interval()
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.adjust('stack')
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.position(Y_axis)
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.color(X_axis)
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.tooltip(X_axis + '*' + Y_axis, (item, value) => {
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return {
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name: item,
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value: value
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}
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})
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if (plot.label === 'true') {
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let setting = {
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content: (data) => {
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return `${data[X_axis]}: ${data[Y_axis]}`
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}
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}
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if (plot.labelLayout === 'overlap') {
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setting.type = 'pie'
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setting.layout = {
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type: 'overlap'
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}
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setting.offset = 0
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}
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_chart.label(Y_axis, setting)
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}
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}
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chart.render()
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}
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render() {
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const { plot } = this.props
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return (
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<div className="line-chart-edit-box" style={{minHeight: plot.height ? plot.height + 50 : 450}}>
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{plot.title ? <p className="chart-title">{plot.title}</p> : null}
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<div className="canvas" id={plot.uuid}></div>
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</div>
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)
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}
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}
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export default LineChart
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