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<template>
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<div
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style="width: 100%;height: 100%"
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class="bs-design-wrap bs-custom-component"
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:class="{'light-theme':customTheme === 'light','auto-theme':customTheme !=='light'}"
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>
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<div
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:id="chatId"
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style="width: 100%;height: 100%"
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/>
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</div>
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</template>
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<script>
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import 'insert-css'
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import cloneDeep from 'lodash/cloneDeep'
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import linkageMixins from 'data-room-ui/js/mixins/linkageMixins'
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import commonMixins from 'data-room-ui/js/mixins/commonMixins'
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import { mapState, mapMutations } from 'vuex'
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import { settingToTheme } from 'data-room-ui/js/utils/themeFormatting'
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import _ from 'lodash'
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import * as echarts from 'echarts'
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import CloneDeep from 'lodash-es/cloneDeep'
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export default {
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name: 'EchartsCustomComponent',
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mixins: [commonMixins, linkageMixins],
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props: {
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config: {
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type: Object,
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default: () => ({})
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}
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},
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data () {
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return {
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chart: null,
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hasData: false
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}
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},
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computed: {
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...mapState('bigScreen', {
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pageInfo: state => state.pageInfo,
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customTheme: state => state.pageInfo.pageConfig.customTheme,
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activeCode: state => state.activeCode
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}),
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chatId () {
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let prefix = 'chart_'
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if (this.$route.path === window?.BS_CONFIG?.routers?.previewUrl) {
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prefix = 'preview_chart_'
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}
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if (this.$route.path === window?.BS_CONFIG?.routers?.designUrl) {
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prefix = 'design_chart_'
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}
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if (this.$route.path === window?.BS_CONFIG?.routers?.pageListUrl) {
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prefix = 'management_chart_'
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}
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return prefix + this.config.code
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}
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},
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created () {
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},
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watch: {
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// 监听主题变化手动触发组件配置更新
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'config.option.theme': {
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handler (val) {
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if (val) {
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this.changeStyle(this.config, true)
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}
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}
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}
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},
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mounted () {
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const dragSelect = document.querySelector('#' + this.chatId)
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const resizeObserver = new ResizeObserver(entries => {
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if (this.chart) {
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this.chart.resize()
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if(this.config.name.includes('3D')){
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let config = this.observeChart(entries)
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config = this.seriesStyle(config)
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config.option && this.chart.setOption(config.option)
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}
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}
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})
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resizeObserver.observe(dragSelect)
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},
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beforeDestroy () {
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if (this.chart) {
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this.chart.dispose()
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}
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},
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methods: {
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...mapMutations('bigScreen', ['changeChartConfig', 'changeActiveItemConfig', 'changeChartLoading']),
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chartInit () {
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let config = this.config
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// key和code相等，说明是一进来刷新，调用list接口
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if (this.config.code === this.config.key || this.isPreview) {
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// 改变样式
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config = this.changeStyle(config)
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// 改变数据
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config.loading = true
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this.changeChartLoading(config)
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this.changeDataByCode(config).then((res) => {
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// 初始化图表
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config.loading = false
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this.changeChartLoading(config)
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this.newChart(res)
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}).catch(() => {
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})
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} else {
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config.loading = true
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this.changeChartLoading(config)
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// 否则说明是更新，这里的更新只指更新数据（改变样式时是直接调取changeStyle方法），因为更新数据会改变key,调用chart接口
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this.changeData(config).then((res) => {
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config.loading = false
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this.changeChartLoading(config)
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// 初始化图表
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this.newChart(res)
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})
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}
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},
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/**
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* 构造chart
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*/
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newChart (config) {
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const chartDom = document.getElementById(this.chatId)
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this.chart = echarts.init(chartDom)
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config.option && this.chart.setOption(config.option)
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},
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/**
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* 控制底部阴影大小
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*/
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observeChart (entries) {
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const width = entries[0].contentRect.width
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const height = entries[0].contentRect.height
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const option = this.config.option
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// 调整长方形的大小
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option.graphic.children[0].shape.width = width * 0.9
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// 调整多边形的大小
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option.graphic.children[1].shape.points = [[width / 10, -height / 6], [width - width / 6, -height / 6], [width * 0.9, 0], [0, 0]]
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return this.config
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},
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/**
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* 注册事件
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*/
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registerEvent () {
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// 图表添加事件进行数据联动
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let formData = {}
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// eslint-disable-next-line no-unused-vars
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this.chart.on('tooltip:change', (...args) => {
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formData = {}
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formData = cloneDeep(args[0].data.items[0].data)
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})
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// eslint-disable-next-line no-unused-vars
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this.chart.on('plot:click', (...args) => {
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this.linkage(formData)
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})
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},
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// 将config.setting的配置转化为option里的配置，这里之所以将转化的方法提出来，是因为在改变维度指标和样式的时候都需要转化
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transformSettingToOption (config, type) {
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let option = null
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config.setting.forEach(set => {
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if (set.optionField) {
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const optionField = set.optionField.split('.')
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option = config.option
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// 判断是不是关于x轴的相关配置，x轴叠加了两层坐标轴，如果是x轴相关配置则作用于xAxis[0]
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if (optionField[0] === 'xAxis') {
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optionField.forEach((field, index) => {
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if (index === 0) {
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option = option.xAxis[0]
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} else if (index === optionField.length - 1) {
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// 数据配置时，必须有值才更新
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if ((set.tabName === type && type === 'data' && set.value) || (set.tabName === type && type === 'custom')) {
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option[field] = set.value
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}
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} else {
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option = option[field]
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}
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})
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} else if (optionField[0] === 'series') {
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let changeObject = []
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let beforeChange = []
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// 如果要配置数据标签相关信息
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optionField.forEach((field, index) => {
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if (index === 0) {
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option = option[field]
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} else if (index === 1) {
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// 筛选出需要修改的series对象
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changeObject = option.filter(item => item.id.includes(field))
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beforeChange = [...changeObject]
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option = option.filter(item => !(item.id.includes(field)))
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} else if (index === optionField.length - 1) {
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if ((set.tabName === type && type === 'data' && set.value) || (set.tabName === type && type === 'custom')) {
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changeObject.map(item => {
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item[field] = set.value
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})
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}
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} else {
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const changeResult = []
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changeObject.forEach(item => {
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const result = { ...item[field] }
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changeResult.push(result)
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})
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changeObject = [...changeResult]
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}
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})
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// 合并修改后的series对象
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changeObject.forEach(
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(item, index) => {
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beforeChange[index].label = _.cloneDeep(item)
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option.push(beforeChange[index])
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}
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)
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} else if (optionField[0] === 'graphic') {
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// 配置底部阴影颜色
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option.graphic.children.forEach(item => {
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item.style.fill = set.value
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})
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} else {
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optionField.forEach((field, index) => {
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if (index === optionField.length - 1) {
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// 数据配置时，必须有值才更新
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if ((set.tabName === type && type === 'data' && set.value) || (set.tabName === type && type === 'custom')) {
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option[field] = set.value
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}
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} else {
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option = option[field]
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}
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})
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}
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}
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})
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return config
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},
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dataFormatting (config, data) {
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// config = this.config
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// 数据返回成功则赋值
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if (data.success) {
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data = data.data
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// 获取到后端返回的数据，有则赋值
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const option = config.option
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const setting = config.setting
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if (config.dataHandler) {
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try {
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// 此处函数处理data
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eval(config.dataHandler)
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} catch (e) {
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console.error(e)
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}
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}
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config.option = this.echartsOptionFormatting(config, data)
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config = this.transformSettingToOption(config, 'data')
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} else {
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// 数据返回失败则赋前端的模拟数据
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// config.option.data = this.plotList?.find(plot => plot.name === config.name)?.option?.data || config?.option?.data
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}
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config = this.seriesStyle(config)
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return config
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},
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getxDataAndYData (xField, yField, data) {
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let xData = []
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let yData = []
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// 获取所有x轴的分类
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data.forEach(item => {
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xData.push(item[xField])
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})
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xData = [...new Set(xData)]
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xData.forEach(x => {
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let max = 0
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data.forEach(item => {
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if (item[xField] === x) {
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max = item[yField] > max ? item[yField] : max
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}
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})
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yData.push(max)
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})
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return { xData, yData }
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},
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// 格式化echarts的配置
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echartsOptionFormatting (config, data) {
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const option = config.option
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// 分组字段
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const xField = config.setting.find(item => item.optionField === 'xField')?.value
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const yField = config.setting.find(item => item.optionField === 'yField')?.value
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// 判断是否存在分组
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const hasSeries = config.setting.find(item => item.optionField === 'seriesField' && item.value !== '')
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const { xData, yData } = this.getxDataAndYData(xField, yField, data)
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const maxY = Math.max(...yData) + Math.max(...yData) * 0.2
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// 生成阴影柱子的值
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const shadowData = Array.from({ length: xData.length }, () => maxY)
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option.xAxis = option.xAxis.map(item => {
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return {
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...item,
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data: xData
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}
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})
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// 存在分组字段
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if (hasSeries) {
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const seriesField = config.setting.find(item => item.optionField === 'seriesField')?.value
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const seriesFieldList = [...new Set(data.map(item => item[seriesField]))]
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option.series = []
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const barWidth = option.seriesCustom.barWidth
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// 获取数据标签展示情况
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let labelShow = 0
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let labelPosition = 'inside'
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let labelColor = '#fff'
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let labelSize = 12
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config.setting.forEach(set => {
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if (set.field === 'series_barColor_label_show') {
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labelShow = set.value
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} else if (set.field === 'series_barColor_label_position') {
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labelPosition = set.value
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} else if (set.field === 'series_barColor_label_color') {
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labelColor = set.value
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} else if (set.field === 'series_barColor_label_fontSize') {
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labelSize = set.value
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}
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})
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// 偏移量数组
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const offsetArr = []
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let index = 0
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if (seriesFieldList.length % 2 === 0) {
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const length = seriesFieldList.length / 2
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for (let i = 0; i < length; i++) {
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const offsetX = (parseInt('10%') + parseInt('50%')) * (2 * i + 1)
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offsetArr.push(offsetX)
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offsetArr.unshift(-offsetX)
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}
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} else {
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const length = Math.ceil(seriesFieldList.length / 2)
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for (let i = 0; i < length; i++) {
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if (i === 0) {
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offsetArr.push(0)
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} else {
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const offsetX = (parseInt('20%') + parseInt('100%')) * i
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offsetArr.push(offsetX)
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offsetArr.unshift(-offsetX)
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}
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}
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}
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for (const seriesFieldItem of seriesFieldList) {
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const seriesData = (data.filter(item => item[seriesField] === seriesFieldItem))?.map(item => item[yField])
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const seriesItem = [
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{
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id: 'barTopColor' + seriesFieldItem,
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type: 'pictorialBar',
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tooltip: { show: false },
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symbol: 'diamond',
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symbolSize: [barWidth, barWidth / 2],
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symbolOffset: [offsetArr[index] + '%', -barWidth / 4],
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symbolPosition: 'end',
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z: 15,
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zlevel: 2,
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color: '#ffff33',
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data: seriesData
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},
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{
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id: 'barColor' + seriesFieldItem,
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type: 'bar',
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barGap: '20%',
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barWidth: barWidth,
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color: '#115ba6',
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label: {
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fontStyle: 'normal',
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show: labelShow,
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position: labelPosition,
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color: labelColor,
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fontSize: labelSize
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},
|
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zlevel: 2,
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z: 12,
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|
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data: seriesData
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},
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{
|
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id: 'barBottomColor' + seriesFieldItem,
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|
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type: 'pictorialBar',
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tooltip: { show: false },
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symbol: 'diamond',
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|
symbolSize: [barWidth, barWidth / 2],
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|
|
symbolOffset: [offsetArr[index] + '%', barWidth / 4],
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|
zlevel: 2,
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z: 15,
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|
|
color: 'rgb(2, 192, 255)',
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data: seriesData
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},
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|
{
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id: 'shadowColor' + seriesFieldItem,
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type: 'bar',
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tooltip: { show: false },
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|
|
xAxisIndex: 1,
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|
|
barGap: '20%',
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data: shadowData,
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|
|
zlevel: 1,
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|
|
barWidth: barWidth,
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|
|
color: 'rgba(9, 44, 76,.8)'
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},
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|
{
|
|
|
id: 'shadowTopColor' + seriesFieldItem,
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|
|
type: 'pictorialBar',
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|
|
tooltip: { show: false },
|
|
|
symbol: 'diamond',
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|
|
symbolSize: [barWidth, barWidth / 2],
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|
|
symbolOffset: [offsetArr[index] + '%', -barWidth / 4],
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|
|
symbolPosition: 'end',
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|
|
z: 15,
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|
|
color: 'rgb(15, 69, 133)',
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|
|
zlevel: 1,
|
|
|
data: shadowData
|
|
|
}
|
|
|
]
|
|
|
index++
|
|
|
option.series.push(...seriesItem)
|
|
|
}
|
|
|
} else {
|
|
|
// 没有分组，不需要修改配置，直接修改series中每个对象的series
|
|
|
option.series.forEach(item => {
|
|
|
if (item.id.includes('shadow')) {
|
|
|
item.data = shadowData
|
|
|
} else {
|
|
|
item.data = yData
|
|
|
}
|
|
|
})
|
|
|
}
|
|
|
return option
|
|
|
},
|
|
|
// 对series里面的样式进行配置
|
|
|
seriesStyle (config) {
|
|
|
if(!config.name.includes('3D')){
|
|
|
return config
|
|
|
}
|
|
|
const _config = CloneDeep(config)
|
|
|
const seriesCustom = _config.option.seriesCustom
|
|
|
const ids = Object.keys(config.option.seriesCustom)
|
|
|
// 判断是否是分组柱状图
|
|
|
const isGroup = _config.option.series.length !== 5
|
|
|
// 宽度配置
|
|
|
_config.option.series.forEach(item => {
|
|
|
if (item.type === 'pictorialBar') {
|
|
|
item.symbolSize = [seriesCustom.barWidth, seriesCustom.barWidth / 2]
|
|
|
} else if (item.type === 'bar') {
|
|
|
item.barWidth = seriesCustom.barWidth
|
|
|
}
|
|
|
})
|
|
|
// 如果是基础柱状图
|
|
|
if (!isGroup) {
|
|
|
_config.option.series.forEach(item => {
|
|
|
// 配置颜色
|
|
|
if (ids.includes(item.id)) {
|
|
|
item.color = seriesCustom[item.id]
|
|
|
}
|
|
|
})
|
|
|
} else {
|
|
|
// 如果是分组柱状图
|
|
|
ids.forEach(id => {
|
|
|
if (id !== 'barWidth') {
|
|
|
let index = 0
|
|
|
_config.option.series.forEach(item => {
|
|
|
if (item.id.includes(id)) {
|
|
|
item.color = _config.option.seriesCustom[id][index]
|
|
|
index++
|
|
|
}
|
|
|
})
|
|
|
}
|
|
|
})
|
|
|
}
|
|
|
return _config
|
|
|
},
|
|
|
// 组件的样式改变，返回改变后的config
|
|
|
changeStyle (config, isUpdateTheme) {
|
|
|
config = { ...this.config, ...config }
|
|
|
config = this.transformSettingToOption(config, 'custom')
|
|
|
// 这里定义了option和setting是为了保证在执行eval时,optionHandler、dataHandler里面可能会用到，
|
|
|
const option = config.option
|
|
|
const setting = config.setting
|
|
|
if (this.config.optionHandler) {
|
|
|
try {
|
|
|
// 此处函数处理config
|
|
|
eval(this.config.optionHandler)
|
|
|
} catch (e) {
|
|
|
console.error(e)
|
|
|
}
|
|
|
}
|
|
|
// 此时，setting中的部分变量映射到了option.seriesCustom中，但未映射到series的具体配置中
|
|
|
config = this.seriesStyle(config)
|
|
|
// 只有样式改变时更新主题配置，切换主题时不需要保存
|
|
|
if (!isUpdateTheme) {
|
|
|
config.theme = settingToTheme(_.cloneDeep(config), this.customTheme)
|
|
|
}
|
|
|
this.changeChartConfig(config)
|
|
|
if (config.code === this.activeCode) {
|
|
|
this.changeActiveItemConfig(config)
|
|
|
}
|
|
|
if (this.chart) {
|
|
|
this.chart.setOption(config.option)
|
|
|
}
|
|
|
return config
|
|
|
}
|
|
|
}
|
|
|
}
|
|
|
</script>
|
|
|
|
|
|
<style lang="scss" scoped>
|
|
|
@import '../assets/style/echartStyle';
|
|
|
.light-theme{
|
|
|
background-color: #ffffff;
|
|
|
color: #000000;
|
|
|
}
|
|
|
.auto-theme{
|
|
|
background-color: transparent;
|
|
|
}
|
|
|
|
|
|
</style>
|