118 lines
2.8 KiB
JavaScript
118 lines
2.8 KiB
JavaScript
var bricks = window.bricks || {};
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bricks.bug = true;
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bricks.EchartsExt = class extends bricks.VBox {
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/*
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{
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title:
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description:
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pie_optiosn:
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data_url:
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nameField:
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valueField:
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serieField:
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valueFields:
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data_params:
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data:[]
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}
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event:element_click
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*/
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constructor(opts){
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super(opts);
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if(!this.idField) this.idField = 'id';
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if(!this.nameField) this.nameField = 'name';
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if(!this.valueFields) this.valueFields = ['value'];
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this.build_title_widget();
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this.build_description_widget();
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this.holder = new bricks.Filler({});
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this.add_widget(this.holder);
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this.chart = echarts.init(this.holder.dom_element);
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if (this.user_data){
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this.render_data(this.user_data)
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} else if (this.data_url) {
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schedule_once(this.render_urldata.bind(this), 0.1);
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}
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this.bind('element_resize', this.chart.resize.bind(this.chart));
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}
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pivotify(data){
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var series = [];
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data.forEach(x => {
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if (series.indexOf(x[this.serieField]) == -1){
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series.push(x[this.serieField]);
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}
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});
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data.sort( (x, y) => {
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if(x[this.nameField] > y[this.nameField]) return 1;
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if(x[this.nameField] < y[this.nameField]) return -1;
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return 0;
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});
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var ndic = {}
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for (var i=0;i<data.length;i++){
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var k = data[i][this.nameField];
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if( !ndic[k] ){
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ndic[k] = {
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};
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ndic[k][this.nameField] = data[i][this.nameField];
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}
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ndic[k][data[i][this.serieField]] = data[i][this.valueField];
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}
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var nd = Object.values(ndic);
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nd.sort( (x, y) => {
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if(x[this.nameField] > y[this.nameField]) return 1;
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if(x[this.nameField] < y[this.nameField]) return -1;
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return 0;
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});
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return nd;
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}
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get_series(data){
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if (!this.serieField){
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return null;
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}
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var series = [];
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data.forEach(x => {
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if (series.indexOf(x[this.serieField]) == -1){
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series.push(x[this.serieField]);
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}
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});
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return series;
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}
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render_data(){
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var data = this.user_data;
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if (this.serieField){
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if (!this.valueField) this.valueFields[0];
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this.valueFields = this.get_series(data);
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data = this.pivotify(data);
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}
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this.chart = echarts.init(this.holder.dom_element);
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var opts = this.setup_options(data);
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opts.grid = {
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left: '3%',
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right: '3%',
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bottom: '3%',
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containLabel: true
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};
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if (this.valueFields.length>1 && opts.legend ){
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opts.legend.data = this.valueFields;
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}
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console.log('opts=', opts);
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this.chart.setOption(opts);
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this.chart.on('click', this.click_handle.bind(this));
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}
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click_handle(params){
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console.log('params=', params);
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this.dispatch('element_click', this.user_data[params.dataIndex]);
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}
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async render_urldata(params){
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if (! params) params = {};
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var _params = bricks.extend({}, this.data_params);
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_params = bricks.extend(_params, params);
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var jc = new bricks.HttpJson();
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var d = await jc.httpcall(this.data_url, {method:this.method || 'GET', params:_params});
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if (d){
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this.user_data = d;
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this.render_data();
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}
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}
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}
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