337 lines
10 KiB
Vue
337 lines
10 KiB
Vue
<template>
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<div class="chart-room" @mouseenter="mouseEnterChart" @mouseleave="mouseLeaveChart">
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<loading ref="loading"></loading>
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<div class="chart-header">{{chartTitle}}</div>
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<div class="chart-body" ref="chartBody" :id="chartId" ></div>
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<div class="legend-container" id="legendArea" ref="legendArea" v-show="legend.length>0" v-scrollBar:legend>
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<div v-for="(item, index) in legend" :title="item.alias?item.alias:item.name" @click="clickLegend(item.name,index)" class="legend-item" :class="{'ft-gr':item.isGray}" :key="'legend_' + item.name+'_'+index">
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<span class="legend-shape" :style="{background:(item.isGray?'#D3D3D3':getBgColor(index))}"></span>{{item.alias?item.alias:item.name}}
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<br/>
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</div>
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</div>
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</div>
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</template>
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<script>
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import echarts from 'echarts';
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import chartDataFormat from "../../../charts/chartDataFormat";
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import loading from "../../../common/loading";
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import chartConfig from './chartConfig'
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import bus from "../../../../libs/bus";
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import EleResize from "../../../common/js/divResize";
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import {randomcolor} from "../../../common/js/radomcolor/randomcolor";
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export default {
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name: "chart",
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components:{
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'loading':loading,
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},
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props:{
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name: {type: String,default:'chart'},
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chartTitle:{type:String},
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showToolbox:{type:Boolean,default:true},
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chartType:{type:String,default:'line'},
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tooltipFormatter:Function,
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yAxisFormatter:Function,
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map:{}
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},
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data(){
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return {
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chart:null,
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option:null,
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chartId: this.name + '-'+this.guid()+'-'+new Date().getTime(),
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legend:[],
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colors:chartConfig.getBgColorList(),
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}
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},
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created() {
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this.option=chartConfig.getOption(this.chartType);
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if(this.showToolbox == false){
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this.option.grid.top=10;
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}
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},
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methods:{
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modifyOption:function(target,name,obj){
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if(!this.option){
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this.option=chartConfig.getOption(this.chartType);
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}
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this.$set(this.option[target],name,obj)
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},
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setLegend:function(legend){
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this.legend=legend;
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this.resize();
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},
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setSeries:function(series){
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if(!this.chart){
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this.chart = echarts.init(document.getElementById(this.chartId));
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}
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this.series = series;
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if(this.chartType == 'map'){
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if(this.map){
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echarts.registerMap(this.map.name,this.map.geoJson);
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chartConfig.setMap(this.map.name);
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}else{
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console.error('map chart need map data');
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}
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}
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if(!this.option){
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this.option=chartConfig.getOption(this.chartType);
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}
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this.modifyOption('tooltip','position',this.defaultTooltipPosition)
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if (this.tooltipFormatter) {
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this.modifyOption('tooltip', 'formatter', this.tooltipFormatter)
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} else {
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this.modifyOption('tooltip', 'formatter', this.defaultTooltipFormatter)
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}
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if(this.chartType == 'line'){
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if(this.yAxisFormatter){
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this.modifyOption('yAxis','formatter',this.yAxisFormatter)
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}else{
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this.modifyOption('yAxis','formatter',this.defaultYAxisFormatter)
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}
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}
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console.log(this.option)
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this.$set(this.option,'series',this.series);
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this.chart.clear();
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this.chart.setOption(this.option)
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this.resize();
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},
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resizeChart:function(width,height){
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if(this.chart){
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this.chart.resize({width:width,height:height});
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}
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},
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resize:function(){
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if(this.chart){
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let height=this.$el.clientHeight;
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let width=this.$el.clientWidth;
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if(this.chartTitle){
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height = height - 20;
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}
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if(this.legend && this.legend.length>0){
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height = height - 80;
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}
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this.chart.resize({width:width,height:height});
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}
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},
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mouseEnterChart(){
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if (this.chart&&this.showToolbox) {
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this.chart.setOption({
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toolbox: {
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show:true,
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}
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})
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}
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},
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mouseLeaveChart(){
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if (this.chart) {
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this.chart.setOption({
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toolbox: {
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show:false,
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}
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})
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}
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},
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getBgColor:function(index){
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let color=this.colors[index];
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return color;
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},
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clickLegend(legendName,index){
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let curIsGrey=this.legend[index].isGray;
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if(this.chart){
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this.legend.forEach((item,i)=>{
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let isGrey = item.isGray;
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if(index != i){ //不是当前点击的
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if(!curIsGrey && !isGrey){
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this.chart.dispatchAction({
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type: 'legendUnSelect',
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name: item.name
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});
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item.isGray=true;
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}else if(!curIsGrey && isGrey){
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this.chart.dispatchAction({
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type: 'legendSelect',
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name: item.name
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});
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item.isGray=false;
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}else{
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this.chart.dispatchAction({
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type: 'legendUnSelect',
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name: item.name
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});
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item.isGray=true
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}
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}else {//当前点击的
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this.chart.dispatchAction({
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type: 'legendSelect',
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name: item.name
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});
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if(item.isGray === true){
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item.isGray = false;
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}
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}
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});
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}
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},
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defaultTooltipPosition:function(point,params,dom,rect,size){
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dom.style.transform = "translateZ(0)";
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//提示框位置
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var x=0;
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var y=0;
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//当前鼠标位置
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var pointX = point[0];
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var pointY = point[1];
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//外层div大小
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var viewWidth = size.viewSize[0];
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var viewHeight = size.viewSize[1];
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//提示框大小
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var boxWidth = size.contentSize[0];
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var boxHeight = size.contentSize[1];
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let chartDom = document.getElementById(this.chartId);
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if(chartDom){
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let parTop = chartDom.offsetTop;
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let parLeft = chartDom.offsetLeft;
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let parent = chartDom.parentElement;
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let parClientHeight = parent.clientHeight;//可视高度
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let parClientWidth = parent.clientWidth;//可视宽度
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let parScrollTop = parent.scrollTop;
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if((parClientWidth-pointX-parLeft-20)>=boxWidth){//说明鼠标在左边放不下提示框
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x=pointX+10;
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}else{
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x = pointX - boxWidth;
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}
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if((parClientHeight-pointY-(parTop-parScrollTop)-20)>=boxHeight){//说明鼠标上面放不下提示框
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y = pointY+10;
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}else {
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y = pointY-boxHeight;
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}
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return [x,y];
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}else {
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x = pointX - boxWidth;
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y = pointY+10;
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return [x,y];
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}
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},
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defaultTooltipFormatter:function(params){
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let str = `<div>`;
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params.forEach((item, i) => {
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if(i===0){
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let value=bus.computeTimezone(item.data[0])
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let t_date = new Date(value);
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str += [t_date.getFullYear(), t_date.getMonth() + 1, t_date.getDate()].join('-') + " "
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+ [t_date.getHours(), t_date.getMinutes(),t_date.getSeconds()].join(':');
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str +=`<br/>`;
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}
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let alias=this.queryAlias(item.seriesName)
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let val = Number(item.data[1]);
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str += `<div style="white-space:nowrap;overflow-x:hidden;text-overflow:ellipsis;display: flex; justify-content: space-between; min-width: 150px; max-width: 600px; line-height: 18px; font-size: 12px;">`;
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str += `<div style="max-width: 500px;white-space:nowrap;overflow-x:hidden;text-overflow:ellipsis;"><span style='display:inline-block;margin-right:5px;border-radius:10px;width:15px;height:5px;background-color: ${item.color};}'></span>${alias?alias:item.seriesName}: </div>`;
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str += `<div style="padding-left: 10px;">`;
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str += chartDataFormat.getUnit(5).compute(val,null,2);
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str += `</div>`;
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str += `</div>`;
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});
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str +=`</div>`;
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return str;
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},
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queryAlias:function(seriesName){
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let alias=null;
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if(this.legend&&this.legend.length>0){
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let tempLegend=this.legend.find((item)=>{return item.name == seriesName});
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if(tempLegend){
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alias=tempLegend.alias;
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}
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}
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return alias;
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},
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defaultYAxisFormatter:function(value,index){
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let unit=chartDataFormat.getUnit(5);
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return unit.compute(value,index);
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},
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setRandomColors:function(num){//当线条过多，默认颜色数量不够时须使用此方法,num 颜色的数量，通常传递series的length即可
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let colors=[];
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for(let i=0;i<num;i++){
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colors.push(randomcolor())
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}
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this.colors=Object.assign([],colors)
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this.$set(this.option,'color',colors)
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console.log(this.option)
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},
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startLoading:function(){
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this.$refs.loading.startLoading();
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},
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endLoading:function(){
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this.$refs.loading.endLoading();
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},
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guid() {
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function S4() {
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return (((1 + Math.random()) * 0x10000) | 0).toString(16).substring(1);
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}
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return (S4() + S4() + "-" + S4() + "-" + S4() + "-" + S4() + "-" + S4() + S4() + S4());
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},
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},
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mounted() {
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this.chart=echarts.init(document.getElementById(this.chartId));
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EleResize.on(this.$el,this.resize);
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},
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watch:{
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},
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destroyed() {
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if(this.chart){
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this.chart.clear();
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}
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}
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}
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</script>
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<style scoped>
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.chart-room{
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width: 100%;
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height: 100%;
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position: relative;
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}
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.chart-room .legend-container{
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width: calc(100% - 30px);
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/*max-height:80px;*/
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/*min-height:40px;*/
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height: 80px;
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font-size:12px;
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text-align:left;
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margin:0 auto;
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line-height: 18px;
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position: relative;
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}
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.chart-room .legend-container .legend-item{
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text-overflow:ellipsis;
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white-space:nowrap;
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width:100%;
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overflow-x:hidden;
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cursor:pointer;
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display:inline-block;
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float:left;
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line-height: 20px;
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}
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.chart-room .ft-gr{
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color:lightgray;
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}
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.chart-room .legend-shape{
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display:inline-block;
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margin-right:5px;
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border-radius:10px;
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width:15px;
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height:5px;
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vertical-align: middle;
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}
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</style>
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