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, registerShape } from '@antv/g2'
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import { Spin, notification, Modal } from 'antd'
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import { DownloadOutlined } from '@ant-design/icons'
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import moment from 'moment'
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import Api from '@/api'
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import Utils from '@/utils/utils.js'
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import UtilsDM from '@/utils/utils-datamanage.js'
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import MKEmitter from '@/utils/events.js'
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import TimerTask from '@/utils/timer-task.js'
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import NormalHeader from '@/tabviews/custom/components/share/normalheader'
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import './index.scss'
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registerShape('point', 'pointer', {
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draw(cfg, container) {
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const group = container.addGroup({});
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// 获取极坐标系下画布中心点
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const center = this.parsePoint({ x: 0, y: 0 });
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// 绘制指针
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group.addShape('line', {
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attrs: {
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x1: center.x,
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y1: center.y,
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x2: cfg.x,
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y2: cfg.y,
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stroke: cfg.color,
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lineWidth: 5,
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lineCap: 'round',
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},
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});
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group.addShape('circle', {
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attrs: {
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x: center.x,
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y: center.y,
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r: 9.75,
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stroke: cfg.color,
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lineWidth: 4.5,
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fill: '#fff',
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},
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});
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return group;
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},
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})
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registerShape('point', 'hidden', {
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draw(cfg, container) {
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return container.addGroup({})
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}
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})
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class DashboardChart extends Component {
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static propTpyes = {
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data: PropTypes.array, // 统一查询数据
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config: PropTypes.object, // 组件配置信息
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mainSearch: PropTypes.any, // 外层搜索条件
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}
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state = {
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BID: '', // 上级ID
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config: null, // 图表配置信息
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loading: false, // 数据加载状态
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chartId: Utils.getuuid(), // 图表Id
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title: '', // 组件标题
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sync: false, // 是否统一请求数据
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plot: null, // 图表设置
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data: {}, // 数据
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chart: null
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}
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UNSAFE_componentWillMount () {
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const { config, data, initdata } = this.props
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let _config = fromJS(config).toJS()
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let _data = null
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let _sync = _config.setting.sync === 'true'
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let BID = ''
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let BData = ''
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if (config.setting.supModule) {
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BData = window.GLOB.CacheData.get(config.setting.supModule)
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} else {
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BData = window.GLOB.CacheData.get(config.$pageId)
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}
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if (BData) {
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BID = BData.$BID || ''
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}
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if (_sync && data) {
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_data = data[config.dataName] || []
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_sync = false
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} else if (_sync && initdata) {
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_data = initdata || []
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_sync = false
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}
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if (_config.subtype === 'ratioboard') {
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_data = _data || []
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} else {
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if (_data && Array.isArray(_data)) {
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_data = _data[0] || {}
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} else {
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_data = {}
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}
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}
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_config.plot.height = Utils.getHeight(_config.plot.height)
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_config.style.height = 'auto'
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_config.style.minHeight = _config.plot.height
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this.setState({
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config: _config,
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data: _data,
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BID: BID || '',
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arr_field: _config.columns.map(col => col.field).join(','),
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plot: _config.plot,
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sync: _sync,
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title: config.plot.title
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}, () => {
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if (config.setting.sync !== 'true' && config.setting.onload === 'true') {
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setTimeout(() => {
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this.loadData()
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}, _config.setting.delay || 0)
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} else if (config.setting.sync === 'true') {
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this.handleData()
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}
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})
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}
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/**
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* @description 图表数据更新，刷新内容
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*/
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UNSAFE_componentWillReceiveProps (nextProps) {
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const { sync, config } = this.state
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if (sync && !is(fromJS(this.props.data), fromJS(nextProps.data))) {
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let _data = null
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if (config.subtype === 'ratioboard') {
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_data = []
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if (nextProps.data && nextProps.data[config.dataName]) {
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_data = nextProps.data[config.dataName] || []
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}
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} else {
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_data = {}
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if (nextProps.data && nextProps.data[config.dataName]) {
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_data = nextProps.data[config.dataName] || {}
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}
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if (_data.hasOwnProperty(config.plot.valueField)) {
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_data.value = _data[config.plot.valueField]
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}
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}
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this.setState({sync: false, data: _data}, () => {
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this.handleData()
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})
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} else if (config.setting.useMSearch && nextProps.mainSearch && !is(fromJS(this.props.mainSearch), fromJS(nextProps.mainSearch))) {
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this.setState({}, () => {
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this.loadData()
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})
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}
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}
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shouldComponentUpdate (nextProps, nextState) {
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return !is(fromJS(this.state), fromJS(nextState))
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}
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componentDidMount () {
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const { config } = this.state
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MKEmitter.addListener('reloadData', this.reloadData)
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MKEmitter.addListener('resetSelectLine', this.resetParentParam)
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if (config.timer) {
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this.timer = new TimerTask()
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this.timer.init(config.uuid, config.timer, config.timerRepeats, () => {
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this.loadData(true)
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})
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}
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}
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/**
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* @description 组件销毁，清除state更新，清除快捷键设置
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*/
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componentWillUnmount () {
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this.setState = () => {
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return
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}
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MKEmitter.removeListener('reloadData', this.reloadData)
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MKEmitter.removeListener('resetSelectLine', this.resetParentParam)
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this.timer && this.timer.stop()
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}
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reloadData = (menuId) => {
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const { config } = this.state
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if (config.uuid !== menuId) return
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this.loadData()
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}
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resetParentParam = (MenuID, id) => {
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const { config } = this.state
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if (!config.setting.supModule || config.setting.supModule !== MenuID) return
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if (id !== this.state.BID || id !== '') {
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this.setState({ BID: id }, () => {
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this.loadData()
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})
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}
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}
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handleData = () => {
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let _element = document.getElementById(this.state.chartId)
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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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async loadData (hastimer) {
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const { mainSearch } = this.props
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const { config, arr_field, BID } = this.state
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if (config.setting.supModule && !BID) { // BID 不存在时，不做查询
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this.setState({
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data: {}
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}, () => {
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this.handleData()
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})
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return
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}
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let searches = config.setting.useMSearch && mainSearch ? mainSearch : []
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let requireFields = searches.filter(item => item.required && item.value === '')
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if (requireFields.length > 0) {
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return
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}
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if (!hastimer) {
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this.setState({
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loading: true
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})
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}
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let _orderBy = config.setting.order || ''
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let param = UtilsDM.getQueryDataParams(config.setting, arr_field, searches, _orderBy, '', '', BID)
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let result = await Api.genericInterface(param)
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if (result.status) {
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let data = null
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if (config.subtype === 'ratioboard') {
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data = result.data || []
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} else {
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data = {}
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if (result.data && result.data[0] && result.data[0].hasOwnProperty(config.plot.valueField)) {
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data.value = result.data[0][config.plot.valueField]
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}
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}
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let reset = true
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if (hastimer && is(fromJS(data), fromJS(this.state.data))) {
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reset = false
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}
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this.setState({
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data,
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loading: false
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}, () => {
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if (!reset) return
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this.handleData()
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})
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} else {
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this.setState({
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loading: false
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})
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this.timer && this.timer.stop()
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if (result.ErrCode === 'N') {
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Modal.error({
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title: result.message,
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})
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} else {
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notification.error({
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top: 92,
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message: result.message,
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duration: 10
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})
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}
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}
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}
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viewrender = () => {
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const { config } = this.state
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if (config.subtype === 'ratioboard') {
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this.ratioboardrender()
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} else {
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this.dashboardrender()
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}
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}
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getratiodata = () => {
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const { data, plot } = this.state
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let colors = {}
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if (plot.colors && plot.colors.length > 0) {
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plot.colors.forEach(item => {
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colors[item.tick] = item.color
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})
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}
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return data.map(item => {
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let val = +item[plot.valueField]
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let type = item[plot.labelField] || ''
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if (isNaN(val)) {
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val = 0
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}
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return {
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type: type,
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value: val,
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$percent: val / plot.maxValue,
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$color: colors[type] || '#1890ff'
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}
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})
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}
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ratioboardrender = () => {
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const { plot, chartId } = this.state
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const data = this.getratiodata()
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const chart = new Chart({
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container: chartId,
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autoFit: true,
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height: plot.height
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})
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chart.data(data)
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chart.coordinate('polar', {
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startAngle: -Math.PI / 2,
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endAngle: 3 * Math.PI / 2,
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radius: (plot.radius || 75) / 100
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})
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chart.scale('$percent', {
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min: 0,
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max: 1,
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tickInterval: 1,
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})
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chart.axis(false)
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chart.facet('rect', {
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fields: ['type'],
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showTitle: false,
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eachView: function eachView(view, facet) {
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const data = facet.data[0]
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view.point().position('').shape('hidden')
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view.annotation().arc({
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top: false,
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start: [0, 1],
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end: [0.9999, 1],
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style: {
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stroke: plot.backColor,
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lineWidth: 10
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}
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})
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let _tick = data.$percent
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if (_tick >= 1) {
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_tick = 0.9999
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}
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view.annotation().arc({
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start: [0, 1],
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end: [_tick, 1],
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style: {
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stroke: data.$color,
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lineWidth: 10,
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}
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})
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// 仪表盘信息
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let text = ''
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if (plot.percent === 'true') {
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text = +(data.$percent * 100).toFixed(2) + '%'
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} else {
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text = data.value
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}
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view.annotation().text({
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position: ['50%', '45%'],
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content: data.type,
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style: {
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fontSize: plot.fontSize * 0.8,
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fill: plot.labelColor,
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fontWeight: 300,
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textAlign: 'center'
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},
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offsetX: 0
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})
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view.annotation().text({
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position: ['50%', '55%'],
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content: text,
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style: {
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fontSize: plot.fontSize,
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fill: plot.labelColor,
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fontWeight: 500,
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textAlign: 'center'
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},
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offsetX: 0,
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offsetY: 10
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})
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}
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})
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chart.render()
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this.setState({chart})
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}
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/**
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* @description 仪表盘渲染
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*/
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dashboardrender = () => {
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const { plot, chartId, data } = this.state
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let _data = fromJS(data).toJS()
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if (_data.hasOwnProperty('value')) {
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if (_data.value === '' || _data.value === null) {
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delete _data.value
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} else {
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_data.value = +_data.value
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if (isNaN(_data.value)) {
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delete _data.value
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} else if (_data.value > plot.maxValue) {
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_data.value = plot.maxValue
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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: chartId,
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autoFit: true,
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height: plot.height,
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padding: [0, 0, 0, 0],
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})
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chart.data([_data])
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chart.scale('value', {
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min: 0,
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max: plot.maxValue,
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tickInterval: plot.tickInterval,
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})
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chart.coordinate('polar', {
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startAngle: (-9 / 8) * Math.PI,
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endAngle: (1 / 8) * Math.PI,
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radius: 0.75,
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})
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chart.axis('1', false)
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chart.axis('value', {
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line: null,
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label: {
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offset: -36,
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style: {
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fontSize: 18,
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fill: plot.tickColor,
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textAlign: 'center',
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textBaseline: 'middle',
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},
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},
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tickLine: {
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length: -24,
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style: {
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stroke: plot.tickColor
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}
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},
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grid: null,
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})
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chart.legend(false)
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chart.tooltip(false)
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chart
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.point()
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.position('value*1')
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.shape('pointer')
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.color('value', (val) => {
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if (!val && val !== 0) return 'transparent'
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let _color = '#1890FF'
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if (plot.colors && plot.colors.length > 0) {
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_color = plot.colors[plot.colors.length - 1].color || '#1890FF'
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plot.colors.some(item => {
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if (item.tick > val) {
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_color = item.color
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return true
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}
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return false
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})
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}
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return _color
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})
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.animate({
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appear: {
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animation: 'fade-in'
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}
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})
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// 绘制仪表盘背景
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chart.annotation().arc({
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top: false,
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start: [0, 1],
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end: [plot.maxValue, 1],
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style: {
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stroke: '#CBCBCB',
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lineWidth: 18,
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lineDash: null,
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},
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})
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if (!plot.colors || plot.colors.length === 0) {
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chart.annotation().arc({
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start: [0, 1],
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end: [plot.maxValue, 1],
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style: {
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stroke: '#1890FF',
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lineWidth: 18,
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lineDash: null,
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},
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})
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} else {
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let start = 0
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plot.colors.forEach(item => {
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chart.annotation().arc({
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start: [start, 1],
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end: [item.tick, 1],
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style: {
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stroke: item.color,
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lineWidth: 18,
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lineDash: null,
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},
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})
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start = item.tick
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})
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}
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if (plot.label) {
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chart.annotation().text({
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position: ['50%', '85%'],
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content: plot.label,
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style: {
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fontSize: 20,
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fill: plot.labelColor,
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textAlign: 'center',
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},
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})
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}
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if (data.hasOwnProperty('value')) {
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let val = data.value
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if (plot.percent !== 'false' && plot.maxValue) {
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val = +(val / plot.maxValue * 100).toFixed(2) + ' %'
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}
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chart.annotation().text({
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position: ['50%', '90%'],
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content: val,
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style: {
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fontSize: 36,
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fill: plot.labelColor,
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textAlign: 'center',
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},
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offsetY: 15,
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})
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}
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chart.render()
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this.setState({chart})
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}
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downloadImage = () => {
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const { chart, config } = this.state
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const link = document.createElement('a');
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const filename = `${config.name}${moment().format('YYYY-MM-DD HH_mm_ss')}.png`;
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const canvas = chart.getCanvas();
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canvas.get('timeline').stopAllAnimations();
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setTimeout(() => {
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const canvas = chart.getCanvas();
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const canvasDom = canvas.get('el');
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const dataURL = canvasDom.toDataURL('image/png');
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if (window.Blob && window.URL) {
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const arr = dataURL.split(',');
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const mime = arr[0].match(/:(.*?);/)[1];
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const bstr = atob(arr[1]);
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let n = bstr.length;
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const u8arr = new Uint8Array(n);
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while (n--) {
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u8arr[n] = bstr.charCodeAt(n);
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}
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const blobObj = new Blob([u8arr], { type: mime });
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if (window.navigator.msSaveBlob) {
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window.navigator.msSaveBlob(blobObj, filename);
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} else {
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link.addEventListener('click', () => {
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link.download = filename;
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link.href = window.URL.createObjectURL(blobObj);
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});
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}
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}
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const e = document.createEvent('MouseEvents');
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e.initEvent('click', false, false);
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link.dispatchEvent(e);
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}, 16);
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}
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render() {
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const { config, loading } = this.state
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return (
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<div className="custom-dashboard-plot-box" id={'anchor' + config.uuid} style={config.style}>
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{loading ?
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<div className="loading-mask">
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<div className="ant-spin-blur"></div>
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<Spin />
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</div> : null
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}
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<NormalHeader config={config} />
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<div className="canvas-wrap">
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{config.plot.download === 'enable' && this.state.chart ? <DownloadOutlined onClick={this.downloadImage} className="system-color download"/> : null}
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<div className="canvas" id={this.state.chartId}></div>
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</div>
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</div>
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)
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}
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}
|
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export default DashboardChart
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