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1058 lines
45 KiB
1058 lines
45 KiB
/**
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* echarts图表类：折线图
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*
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* @desc echarts基于Canvas，纯Javascript图表库，提供直观，生动，可交互，可个性化定制的数据统计图表。
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* @author Kener (@Kener-林峰, kener.linfeng@gmail.com)
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*
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*/
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define(function (require) {
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var ChartBase = require('./base');
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// 图形依赖
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var PolylineShape = require('zrender/shape/Polyline');
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var IconShape = require('../util/shape/Icon');
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var HalfSmoothPolygonShape = require('../util/shape/HalfSmoothPolygon');
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// 组件依赖
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require('../component/axis');
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require('../component/grid');
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require('../component/dataZoom');
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var ecConfig = require('../config');
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// 折线图默认参数
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ecConfig.line = {
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zlevel: 0, // 一级层叠
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z: 2, // 二级层叠
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clickable: true,
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legendHoverLink: true,
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// stack: null
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xAxisIndex: 0,
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yAxisIndex: 0,
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// 'nearest', 'min', 'max', 'average'
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dataFilter: 'nearest',
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itemStyle: {
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normal: {
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// color: 各异,
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label: {
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show: false
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// formatter: 标签文本格式器，同Tooltip.formatter，不支持异步回调
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// position: 默认自适应，水平布局为'top'，垂直布局为'right'，可选为
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// 'inside'|'left'|'right'|'top'|'bottom'
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// textStyle: null // 默认使用全局文本样式，详见TEXTSTYLE
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},
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lineStyle: {
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width: 2,
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type: 'solid',
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shadowColor: 'rgba(0,0,0,0)', //默认透明
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shadowBlur: 0,
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shadowOffsetX: 0,
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shadowOffsetY: 0
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}
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},
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emphasis: {
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// color: 各异,
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label: {
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show: false
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// formatter: 标签文本格式器，同Tooltip.formatter，不支持异步回调
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// position: 默认自适应，水平布局为'top'，垂直布局为'right'，可选为
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// 'inside'|'left'|'right'|'top'|'bottom'
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// textStyle: null // 默认使用全局文本样式，详见TEXTSTYLE
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}
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}
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},
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// smooth: false,
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// symbol: null, // 拐点图形类型
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symbolSize: 2, // 拐点图形大小
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// symbolRotate: null, // 拐点图形旋转控制
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showAllSymbol: false // 标志图形默认只有主轴显示（随主轴标签间隔隐藏策略）
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};
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var ecData = require('../util/ecData');
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var zrUtil = require('zrender/tool/util');
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var zrColor = require('zrender/tool/color');
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/**
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* 构造函数
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* @param {Object} messageCenter echart消息中心
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* @param {ZRender} zr zrender实例
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* @param {Object} series 数据
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* @param {Object} component 组件
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*/
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function Line(ecTheme, messageCenter, zr, option, myChart){
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// 图表基类
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ChartBase.call(this, ecTheme, messageCenter, zr, option, myChart);
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this.refresh(option);
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}
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Line.prototype = {
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type: ecConfig.CHART_TYPE_LINE,
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/**
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* 绘制图形
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*/
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_buildShape: function () {
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this.finalPLMap = {}; // 完成的point list(PL)
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this._buildPosition();
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},
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/**
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* 构建类目轴为水平方向的折线图系列
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*/
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_buildHorizontal: function (seriesArray, maxDataLength, locationMap, xMarkMap) {
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var series = this.series;
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// 确定类目轴和数值轴，同一方向随便找一个即可
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var seriesIndex = locationMap[0][0];
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var serie = series[seriesIndex];
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var categoryAxis = this.component.xAxis.getAxis(serie.xAxisIndex || 0);
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var valueAxis; // 数值轴各异
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var x;
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var y;
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var lastYP; // 正向堆积处理
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var baseYP;
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var lastYN; // 负向堆积处理
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var baseYN;
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//var this.finalPLMap = {}; // 完成的point list(PL)
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var curPLMap = {}; // 正在记录的point list(PL)
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var data;
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var value;
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for (var i = 0, l = maxDataLength; i < l; i++) {
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if (categoryAxis.getNameByIndex(i) == null) {
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// 系列数据超出类目轴长度
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break;
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}
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x = categoryAxis.getCoordByIndex(i);
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for (var j = 0, k = locationMap.length; j < k; j++) {
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// 堆积数据用第一条valueAxis
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valueAxis = this.component.yAxis.getAxis(
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series[locationMap[j][0]].yAxisIndex || 0
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);
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baseYP = lastYP = baseYN = lastYN = valueAxis.getCoord(0);
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for (var m = 0, n = locationMap[j].length; m < n; m++) {
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seriesIndex = locationMap[j][m];
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serie = series[seriesIndex];
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data = serie.data[i];
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value = this.getDataFromOption(data, '-');
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curPLMap[seriesIndex] = curPLMap[seriesIndex] || [];
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xMarkMap[seriesIndex] = xMarkMap[seriesIndex]
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|| {
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min: Number.POSITIVE_INFINITY,
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max: Number.NEGATIVE_INFINITY,
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sum: 0,
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counter: 0,
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average: 0
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};
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if (value === '-') {
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// 空数据则把正在记录的curPLMap添加到finalPLMap中
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if (curPLMap[seriesIndex].length > 0) {
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this.finalPLMap[seriesIndex] =
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this.finalPLMap[seriesIndex] || [];
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this.finalPLMap[seriesIndex].push(
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curPLMap[seriesIndex]
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);
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curPLMap[seriesIndex] = [];
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}
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continue;
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}
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//y = valueAxis.getCoord(value);
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if (value >= 0) {
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// 正向堆积
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lastYP -= m > 0
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? valueAxis.getCoordSize(value)
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: (baseYP - valueAxis.getCoord(value));
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y = lastYP;
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}
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else if (value < 0){
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// 负向堆积
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lastYN += m > 0
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? valueAxis.getCoordSize(value)
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: (valueAxis.getCoord(value) - baseYN);
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y = lastYN;
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}
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curPLMap[seriesIndex].push(
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[x, y, i, categoryAxis.getNameByIndex(i), x, baseYP]
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);
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if (xMarkMap[seriesIndex].min > value) {
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xMarkMap[seriesIndex].min = value;
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xMarkMap[seriesIndex].minY = y;
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xMarkMap[seriesIndex].minX = x;
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}
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if (xMarkMap[seriesIndex].max < value) {
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xMarkMap[seriesIndex].max = value;
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xMarkMap[seriesIndex].maxY = y;
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xMarkMap[seriesIndex].maxX = x;
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}
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xMarkMap[seriesIndex].sum += value;
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xMarkMap[seriesIndex].counter++;
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}
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}
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// 补充空数据的拖拽提示
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lastYP = this.component.grid.getY();
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var symbolSize;
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for (var j = 0, k = locationMap.length; j < k; j++) {
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for (var m = 0, n = locationMap[j].length; m < n; m++) {
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seriesIndex = locationMap[j][m];
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serie = series[seriesIndex];
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data = serie.data[i];
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value = this.getDataFromOption(data, '-');
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if (value != '-') {
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// 只关心空数据
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continue;
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}
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if (this.deepQuery([data, serie, this.option], 'calculable')) {
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symbolSize = this.deepQuery(
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[data, serie],
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'symbolSize'
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);
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lastYP += symbolSize * 2 + 5;
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y = lastYP;
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this.shapeList.push(this._getCalculableItem(
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seriesIndex, i, categoryAxis.getNameByIndex(i),
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x, y, 'horizontal'
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));
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}
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}
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}
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}
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// 把剩余未完成的curPLMap全部添加到finalPLMap中
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for (var sId in curPLMap) {
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if (curPLMap[sId].length > 0) {
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this.finalPLMap[sId] = this.finalPLMap[sId] || [];
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this.finalPLMap[sId].push(curPLMap[sId]);
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curPLMap[sId] = [];
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}
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}
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this._calculMarkMapXY(xMarkMap, locationMap, 'y');
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this._buildBorkenLine(seriesArray, this.finalPLMap, categoryAxis, 'horizontal');
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},
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/**
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* 构建类目轴为垂直方向的折线图系列
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*/
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_buildVertical: function (seriesArray, maxDataLength, locationMap, xMarkMap) {
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var series = this.series;
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// 确定类目轴和数值轴，同一方向随便找一个即可
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var seriesIndex = locationMap[0][0];
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var serie = series[seriesIndex];
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var categoryAxis = this.component.yAxis.getAxis(serie.yAxisIndex || 0);
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var valueAxis; // 数值轴各异
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var x;
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var y;
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var lastXP; // 正向堆积处理
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var baseXP;
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var lastXN; // 负向堆积处理
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var baseXN;
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//var this.finalPLMap = {}; // 完成的point list(PL)
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var curPLMap = {}; // 正在记录的point list(PL)
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var data;
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var value;
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for (var i = 0, l = maxDataLength; i < l; i++) {
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if (categoryAxis.getNameByIndex(i) == null) {
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// 系列数据超出类目轴长度
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break;
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}
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y = categoryAxis.getCoordByIndex(i);
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for (var j = 0, k = locationMap.length; j < k; j++) {
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// 堆积数据用第一条valueAxis
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valueAxis = this.component.xAxis.getAxis(
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series[locationMap[j][0]].xAxisIndex || 0
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);
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baseXP = lastXP = baseXN = lastXN = valueAxis.getCoord(0);
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for (var m = 0, n = locationMap[j].length; m < n; m++) {
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seriesIndex = locationMap[j][m];
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serie = series[seriesIndex];
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data = serie.data[i];
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value = this.getDataFromOption(data, '-');
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curPLMap[seriesIndex] = curPLMap[seriesIndex] || [];
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xMarkMap[seriesIndex] = xMarkMap[seriesIndex]
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|| {
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min: Number.POSITIVE_INFINITY,
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max: Number.NEGATIVE_INFINITY,
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sum: 0,
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counter: 0,
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average: 0
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};
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if (value === '-') {
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// 空数据则把正在记录的curPLMap添加到finalPLMap中
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if (curPLMap[seriesIndex].length > 0) {
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this.finalPLMap[seriesIndex] =
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this.finalPLMap[seriesIndex] || [];
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this.finalPLMap[seriesIndex].push(
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curPLMap[seriesIndex]
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);
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curPLMap[seriesIndex] = [];
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}
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continue;
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}
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//x = valueAxis.getCoord(value);
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if (value >= 0) {
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// 正向堆积
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lastXP += m > 0
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? valueAxis.getCoordSize(value)
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: (valueAxis.getCoord(value) - baseXP);
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x = lastXP;
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}
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else if (value < 0){
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// 负向堆积
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lastXN -= m > 0
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? valueAxis.getCoordSize(value)
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: (baseXN - valueAxis.getCoord(value));
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x = lastXN;
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}
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curPLMap[seriesIndex].push(
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[x, y, i, categoryAxis.getNameByIndex(i), baseXP, y]
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);
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if (xMarkMap[seriesIndex].min > value) {
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xMarkMap[seriesIndex].min = value;
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xMarkMap[seriesIndex].minX = x;
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xMarkMap[seriesIndex].minY = y;
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}
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if (xMarkMap[seriesIndex].max < value) {
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xMarkMap[seriesIndex].max = value;
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xMarkMap[seriesIndex].maxX = x;
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xMarkMap[seriesIndex].maxY = y;
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}
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xMarkMap[seriesIndex].sum += value;
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xMarkMap[seriesIndex].counter++;
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}
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}
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// 补充空数据的拖拽提示
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lastXP = this.component.grid.getXend();
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var symbolSize;
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for (var j = 0, k = locationMap.length; j < k; j++) {
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for (var m = 0, n = locationMap[j].length; m < n; m++) {
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seriesIndex = locationMap[j][m];
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serie = series[seriesIndex];
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data = serie.data[i];
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value = this.getDataFromOption(data, '-');
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if (value != '-') {
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// 只关心空数据
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continue;
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}
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if (this.deepQuery([data, serie, this.option], 'calculable')) {
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symbolSize = this.deepQuery(
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[data, serie],
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'symbolSize'
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);
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lastXP -= symbolSize * 2 + 5;
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x = lastXP;
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this.shapeList.push(this._getCalculableItem(
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seriesIndex, i, categoryAxis.getNameByIndex(i),
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x, y, 'vertical'
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));
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}
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}
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}
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}
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// 把剩余未完成的curPLMap全部添加到finalPLMap中
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for (var sId in curPLMap) {
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if (curPLMap[sId].length > 0) {
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this.finalPLMap[sId] = this.finalPLMap[sId] || [];
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this.finalPLMap[sId].push(curPLMap[sId]);
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curPLMap[sId] = [];
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}
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}
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this._calculMarkMapXY(xMarkMap, locationMap, 'x');
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this._buildBorkenLine(seriesArray, this.finalPLMap, categoryAxis, 'vertical');
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},
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/**
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* 构建双数值轴折线图
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*/
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_buildOther: function(seriesArray, maxDataLength, locationMap, xMarkMap) {
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var series = this.series;
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var curPLMap = {}; // 正在记录的point list(PL)
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var xAxis;
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for (var j = 0, k = locationMap.length; j < k; j++) {
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for (var m = 0, n = locationMap[j].length; m < n; m++) {
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var seriesIndex = locationMap[j][m];
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var serie = series[seriesIndex];
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xAxis = this.component.xAxis.getAxis(serie.xAxisIndex || 0);
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var yAxis = this.component.yAxis.getAxis(serie.yAxisIndex || 0);
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var baseY = yAxis.getCoord(0);
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curPLMap[seriesIndex] = curPLMap[seriesIndex] || [];
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xMarkMap[seriesIndex] = xMarkMap[seriesIndex]
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|| {
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min0: Number.POSITIVE_INFINITY,
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min1: Number.POSITIVE_INFINITY,
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max0: Number.NEGATIVE_INFINITY,
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max1: Number.NEGATIVE_INFINITY,
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sum0: 0,
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sum1: 0,
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counter0: 0,
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counter1: 0,
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average0: 0,
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average1: 0
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};
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for (var i = 0, l = serie.data.length; i < l; i++) {
|
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var data = serie.data[i];
|
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var value = this.getDataFromOption(data, '-');
|
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if (!(value instanceof Array)) {
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continue;
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}
|
|
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var x = xAxis.getCoord(value[0]);
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var y = yAxis.getCoord(value[1]);
|
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curPLMap[seriesIndex].push(
|
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// x, y, dataIndex, name, 填充用
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[x, y, i, value[0], x, baseY]
|
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);
|
|
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if (xMarkMap[seriesIndex].min0 > value[0]) {
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xMarkMap[seriesIndex].min0 = value[0];
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xMarkMap[seriesIndex].minY0 = y;
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xMarkMap[seriesIndex].minX0 = x;
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}
|
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if (xMarkMap[seriesIndex].max0 < value[0]) {
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xMarkMap[seriesIndex].max0 = value[0];
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xMarkMap[seriesIndex].maxY0 = y;
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xMarkMap[seriesIndex].maxX0 = x;
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}
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xMarkMap[seriesIndex].sum0 += value[0];
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xMarkMap[seriesIndex].counter0++;
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|
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if (xMarkMap[seriesIndex].min1 > value[1]) {
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xMarkMap[seriesIndex].min1 = value[1];
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xMarkMap[seriesIndex].minY1 = y;
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xMarkMap[seriesIndex].minX1 = x;
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}
|
|
if (xMarkMap[seriesIndex].max1 < value[1]) {
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xMarkMap[seriesIndex].max1 = value[1];
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xMarkMap[seriesIndex].maxY1 = y;
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xMarkMap[seriesIndex].maxX1 = x;
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}
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xMarkMap[seriesIndex].sum1 += value[1];
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xMarkMap[seriesIndex].counter1++;
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}
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}
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}
|
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|
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// 把剩余未完成的curPLMap全部添加到finalPLMap中
|
|
for (var sId in curPLMap) {
|
|
if (curPLMap[sId].length > 0) {
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this.finalPLMap[sId] = this.finalPLMap[sId] || [];
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this.finalPLMap[sId].push(curPLMap[sId]);
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curPLMap[sId] = [];
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}
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}
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this._calculMarkMapXY(xMarkMap, locationMap, 'xy');
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this._buildBorkenLine(seriesArray, this.finalPLMap, xAxis, 'other');
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},
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|
|
/**
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|
* 生成折线和折线上的拐点
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|
*/
|
|
_buildBorkenLine: function (seriesArray, pointList, categoryAxis, curOrient) {
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|
var orient = curOrient == 'other' ? 'horizontal' : curOrient;
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|
var series = this.series;
|
|
var data;
|
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// 堆积层叠需求，反顺序构建
|
|
for (var sIdx = seriesArray.length - 1; sIdx >= 0; sIdx--) {
|
|
var seriesIndex = seriesArray[sIdx];
|
|
var serie = series[seriesIndex];
|
|
var seriesPL = pointList[seriesIndex];
|
|
if (serie.type === this.type && seriesPL != null) {
|
|
var bbox = this._getBbox(seriesIndex, orient);
|
|
var defaultColor = this._sIndex2ColorMap[seriesIndex];
|
|
// 折线相关，多级控制
|
|
var lineWidth = this.query(
|
|
serie, 'itemStyle.normal.lineStyle.width'
|
|
);
|
|
var lineType = this.query(
|
|
serie, 'itemStyle.normal.lineStyle.type'
|
|
);
|
|
var lineColor = this.query(
|
|
serie, 'itemStyle.normal.lineStyle.color'
|
|
);
|
|
var normalColor = this.getItemStyleColor(
|
|
this.query(serie, 'itemStyle.normal.color'), seriesIndex, -1
|
|
);
|
|
|
|
// 填充相关
|
|
var isFill = this.query(serie, 'itemStyle.normal.areaStyle') != null;
|
|
var fillNormalColor = this.query(
|
|
serie, 'itemStyle.normal.areaStyle.color'
|
|
);
|
|
|
|
for (var i = 0, l = seriesPL.length; i < l; i++) {
|
|
var singlePL = seriesPL[i];
|
|
var isLarge = curOrient != 'other' && this._isLarge(orient, singlePL);
|
|
if (!isLarge) { // 非大数据模式才显示拐点symbol
|
|
for (var j = 0, k = singlePL.length; j < k; j++) {
|
|
data = serie.data[singlePL[j][2]];
|
|
if (this.deepQuery([data, serie, this.option], 'calculable') // 可计算
|
|
|| this.deepQuery([data, serie], 'showAllSymbol') // 全显示
|
|
|| (categoryAxis.type === 'categoryAxis' // 主轴非空
|
|
&& categoryAxis.isMainAxis(singlePL[j][2])
|
|
&& this.deepQuery([data, serie], 'symbol') != 'none'
|
|
)
|
|
) {
|
|
this.shapeList.push(this._getSymbol(
|
|
seriesIndex,
|
|
singlePL[j][2], // dataIndex
|
|
singlePL[j][3], // name
|
|
singlePL[j][0], // x
|
|
singlePL[j][1], // y
|
|
orient
|
|
));
|
|
}
|
|
}
|
|
}
|
|
else {
|
|
// 大数据模式截取pointList
|
|
singlePL = this._getLargePointList(
|
|
orient, singlePL, serie.dataFilter
|
|
);
|
|
}
|
|
|
|
// 折线图
|
|
var polylineShape = new PolylineShape({
|
|
zlevel: this.getZlevelBase(),
|
|
z: this.getZBase(),
|
|
style: {
|
|
miterLimit: lineWidth,
|
|
pointList: singlePL,
|
|
strokeColor: lineColor
|
|
|| normalColor
|
|
|| defaultColor,
|
|
lineWidth: lineWidth,
|
|
lineType: lineType,
|
|
smooth: this._getSmooth(serie.smooth),
|
|
smoothConstraint: bbox,
|
|
shadowColor: this.query(
|
|
serie,
|
|
'itemStyle.normal.lineStyle.shadowColor'
|
|
),
|
|
shadowBlur: this.query(
|
|
serie,
|
|
'itemStyle.normal.lineStyle.shadowBlur'
|
|
),
|
|
shadowOffsetX: this.query(
|
|
serie,
|
|
'itemStyle.normal.lineStyle.shadowOffsetX'
|
|
),
|
|
shadowOffsetY: this.query(
|
|
serie,
|
|
'itemStyle.normal.lineStyle.shadowOffsetY'
|
|
)
|
|
},
|
|
hoverable: false,
|
|
_main: true,
|
|
_seriesIndex: seriesIndex,
|
|
_orient: orient
|
|
});
|
|
|
|
ecData.pack(
|
|
polylineShape,
|
|
series[seriesIndex], seriesIndex,
|
|
0, i, series[seriesIndex].name
|
|
);
|
|
|
|
this.shapeList.push(polylineShape);
|
|
|
|
if (isFill) {
|
|
var halfSmoothPolygonShape = new HalfSmoothPolygonShape({
|
|
zlevel: this.getZlevelBase(),
|
|
z: this.getZBase(),
|
|
style: {
|
|
miterLimit: lineWidth,
|
|
pointList: zrUtil.clone(singlePL).concat([
|
|
[
|
|
singlePL[singlePL.length - 1][4],
|
|
singlePL[singlePL.length - 1][5]
|
|
],
|
|
[
|
|
singlePL[0][4],
|
|
singlePL[0][5]
|
|
]
|
|
]),
|
|
brushType: 'fill',
|
|
smooth: this._getSmooth(serie.smooth),
|
|
smoothConstraint: bbox,
|
|
color: fillNormalColor
|
|
? fillNormalColor
|
|
: zrColor.alpha(defaultColor,0.5)
|
|
},
|
|
highlightStyle: {
|
|
brushType: 'fill'
|
|
},
|
|
hoverable: false,
|
|
_main: true,
|
|
_seriesIndex: seriesIndex,
|
|
_orient: orient
|
|
});
|
|
ecData.pack(
|
|
halfSmoothPolygonShape,
|
|
series[seriesIndex], seriesIndex,
|
|
0, i, series[seriesIndex].name
|
|
);
|
|
this.shapeList.push(halfSmoothPolygonShape);
|
|
}
|
|
}
|
|
}
|
|
}
|
|
},
|
|
|
|
_getBbox: function(seriesIndex, orient) {
|
|
var bbox = this.component.grid.getBbox();
|
|
var xMarkMap = this.xMarkMap[seriesIndex];
|
|
if (xMarkMap.minX0 != null) {
|
|
return [
|
|
[
|
|
Math.min(xMarkMap.minX0, xMarkMap.maxX0, xMarkMap.minX1, xMarkMap.maxX1),
|
|
Math.min(xMarkMap.minY0, xMarkMap.maxY0, xMarkMap.minY1, xMarkMap.maxY1)
|
|
],
|
|
[
|
|
Math.max(xMarkMap.minX0, xMarkMap.maxX0, xMarkMap.minX1, xMarkMap.maxX1),
|
|
Math.max(xMarkMap.minY0, xMarkMap.maxY0, xMarkMap.minY1, xMarkMap.maxY1)
|
|
]
|
|
];
|
|
}
|
|
else if (orient === 'horizontal') {
|
|
bbox[0][1] = Math.min(xMarkMap.minY, xMarkMap.maxY);
|
|
bbox[1][1] = Math.max(xMarkMap.minY, xMarkMap.maxY);
|
|
}
|
|
else {
|
|
bbox[0][0] = Math.min(xMarkMap.minX, xMarkMap.maxX);
|
|
bbox[1][0] = Math.max(xMarkMap.minX, xMarkMap.maxX);
|
|
}
|
|
return bbox;
|
|
},
|
|
|
|
_isLarge: function(orient, singlePL) {
|
|
if (singlePL.length < 2) {
|
|
return false;
|
|
}
|
|
else {
|
|
return orient === 'horizontal'
|
|
? (Math.abs(singlePL[0][0] - singlePL[1][0]) < 0.5)
|
|
: (Math.abs(singlePL[0][1] - singlePL[1][1]) < 0.5);
|
|
}
|
|
},
|
|
|
|
/**
|
|
* 大规模pointList优化
|
|
*/
|
|
_getLargePointList: function(orient, singlePL, filter) {
|
|
var total;
|
|
if (orient === 'horizontal') {
|
|
total = this.component.grid.getWidth();
|
|
}
|
|
else {
|
|
total = this.component.grid.getHeight();
|
|
}
|
|
|
|
var len = singlePL.length;
|
|
var newList = [];
|
|
|
|
if (typeof(filter) != 'function') {
|
|
switch (filter) {
|
|
case 'min':
|
|
filter = function (arr) {
|
|
return Math.max.apply(null, arr);
|
|
};
|
|
break;
|
|
case 'max':
|
|
filter = function (arr) {
|
|
return Math.min.apply(null, arr);
|
|
};
|
|
break;
|
|
case 'average':
|
|
filter = function (arr) {
|
|
var total = 0;
|
|
for (var i = 0; i < arr.length; i++) {
|
|
total += arr[i];
|
|
}
|
|
return total / arr.length;
|
|
};
|
|
break;
|
|
default:
|
|
filter = function (arr) {
|
|
return arr[0];
|
|
}
|
|
}
|
|
}
|
|
|
|
var windowData = [];
|
|
for (var i = 0; i < total; i++) {
|
|
var idx0 = Math.floor(len / total * i);
|
|
var idx1 = Math.min(Math.floor(len / total * (i + 1)), len);
|
|
if (idx1 <= idx0) {
|
|
continue;
|
|
}
|
|
|
|
for (var j = idx0; j < idx1; j++) {
|
|
windowData[j - idx0] = orient === 'horizontal'
|
|
? singlePL[j][1] : singlePL[j][0];
|
|
}
|
|
|
|
windowData.length = idx1 - idx0;
|
|
var filteredVal = filter(windowData);
|
|
var nearestIdx = -1;
|
|
var minDist = Infinity;
|
|
// 寻找值最相似的点，使用其其它属性
|
|
for (var j = idx0; j < idx1; j++) {
|
|
var val = orient === 'horizontal'
|
|
? singlePL[j][1] : singlePL[j][0];
|
|
var dist = Math.abs(val - filteredVal);
|
|
if (dist < minDist) {
|
|
nearestIdx = j;
|
|
minDist = dist;
|
|
}
|
|
}
|
|
|
|
var newItem = singlePL[nearestIdx].slice();
|
|
if (orient === 'horizontal') {
|
|
newItem[1] = filteredVal;
|
|
}
|
|
else {
|
|
newItem[0] = filteredVal;
|
|
}
|
|
newList.push(newItem);
|
|
}
|
|
return newList;
|
|
},
|
|
|
|
_getSmooth: function (isSmooth/*, pointList, orient*/) {
|
|
if (isSmooth) {
|
|
/* 不科学啊，发现0.3通用了
|
|
var delta;
|
|
if (orient === 'horizontal') {
|
|
delta = Math.abs(pointList[0][0] - pointList[1][0]);
|
|
}
|
|
else {
|
|
delta = Math.abs(pointList[0][1] - pointList[1][1]);
|
|
}
|
|
*/
|
|
return 0.3;
|
|
}
|
|
else {
|
|
return 0;
|
|
}
|
|
},
|
|
|
|
/**
|
|
* 生成空数据所需的可计算提示图形
|
|
*/
|
|
_getCalculableItem: function (seriesIndex, dataIndex, name, x, y, orient) {
|
|
var series = this.series;
|
|
var color = series[seriesIndex].calculableHolderColor
|
|
|| this.ecTheme.calculableHolderColor
|
|
|| ecConfig.calculableHolderColor;
|
|
|
|
var itemShape = this._getSymbol(
|
|
seriesIndex, dataIndex, name,
|
|
x, y, orient
|
|
);
|
|
itemShape.style.color = color;
|
|
itemShape.style.strokeColor = color;
|
|
itemShape.rotation = [0,0];
|
|
itemShape.hoverable = false;
|
|
itemShape.draggable = false;
|
|
itemShape.style.text = undefined;
|
|
|
|
return itemShape;
|
|
},
|
|
|
|
/**
|
|
* 生成折线图上的拐点图形
|
|
*/
|
|
_getSymbol: function (seriesIndex, dataIndex, name, x, y, orient) {
|
|
var series = this.series;
|
|
var serie = series[seriesIndex];
|
|
var data = serie.data[dataIndex];
|
|
|
|
var itemShape = this.getSymbolShape(
|
|
serie, seriesIndex, data, dataIndex, name,
|
|
x, y,
|
|
this._sIndex2ShapeMap[seriesIndex],
|
|
this._sIndex2ColorMap[seriesIndex],
|
|
'#fff',
|
|
orient === 'vertical' ? 'horizontal' : 'vertical' // 翻转
|
|
);
|
|
itemShape.zlevel = this.getZlevelBase();
|
|
itemShape.z = this.getZBase() + 1;
|
|
|
|
if (this.deepQuery([data, serie, this.option], 'calculable')) {
|
|
this.setCalculable(itemShape);
|
|
itemShape.draggable = true;
|
|
}
|
|
|
|
return itemShape;
|
|
},
|
|
|
|
// 位置转换
|
|
getMarkCoord: function (seriesIndex, mpData) {
|
|
var serie = this.series[seriesIndex];
|
|
var xMarkMap = this.xMarkMap[seriesIndex];
|
|
var xAxis = this.component.xAxis.getAxis(serie.xAxisIndex);
|
|
var yAxis = this.component.yAxis.getAxis(serie.yAxisIndex);
|
|
|
|
if (mpData.type
|
|
&& (mpData.type === 'max' || mpData.type === 'min' || mpData.type === 'average')
|
|
) {
|
|
// 特殊值内置支持
|
|
var valueIndex = mpData.valueIndex != null
|
|
? mpData.valueIndex
|
|
: xMarkMap.maxX0 != null
|
|
? '1' : '';
|
|
return [
|
|
xMarkMap[mpData.type + 'X' + valueIndex],
|
|
xMarkMap[mpData.type + 'Y' + valueIndex],
|
|
xMarkMap[mpData.type + 'Line' + valueIndex],
|
|
xMarkMap[mpData.type + valueIndex]
|
|
];
|
|
}
|
|
|
|
return [
|
|
typeof mpData.xAxis != 'string' && xAxis.getCoordByIndex
|
|
? xAxis.getCoordByIndex(mpData.xAxis || 0)
|
|
: xAxis.getCoord(mpData.xAxis || 0),
|
|
|
|
typeof mpData.yAxis != 'string' && yAxis.getCoordByIndex
|
|
? yAxis.getCoordByIndex(mpData.yAxis || 0)
|
|
: yAxis.getCoord(mpData.yAxis || 0)
|
|
];
|
|
},
|
|
|
|
/**
|
|
* 刷新
|
|
*/
|
|
refresh: function (newOption) {
|
|
if (newOption) {
|
|
this.option = newOption;
|
|
this.series = newOption.series;
|
|
}
|
|
|
|
this.backupShapeList();
|
|
this._buildShape();
|
|
},
|
|
|
|
ontooltipHover: function (param, tipShape) {
|
|
var seriesIndex = param.seriesIndex;
|
|
var dataIndex = param.dataIndex;
|
|
var seriesPL;
|
|
var singlePL;
|
|
var len = seriesIndex.length;
|
|
while (len--) {
|
|
seriesPL = this.finalPLMap[seriesIndex[len]];
|
|
if (seriesPL) {
|
|
for (var i = 0, l = seriesPL.length; i < l; i++) {
|
|
singlePL = seriesPL[i];
|
|
for (var j = 0, k = singlePL.length; j < k; j++) {
|
|
if (dataIndex === singlePL[j][2]) {
|
|
tipShape.push(this._getSymbol(
|
|
seriesIndex[len], // seriesIndex
|
|
singlePL[j][2], // dataIndex
|
|
singlePL[j][3], // name
|
|
singlePL[j][0], // x
|
|
singlePL[j][1], // y
|
|
'horizontal'
|
|
));
|
|
}
|
|
}
|
|
}
|
|
}
|
|
}
|
|
},
|
|
|
|
/**
|
|
* 动态数据增加动画
|
|
*/
|
|
addDataAnimation: function (params, done) {
|
|
var series = this.series;
|
|
var aniMap = {}; // seriesIndex索引参数
|
|
for (var i = 0, l = params.length; i < l; i++) {
|
|
aniMap[params[i][0]] = params[i];
|
|
}
|
|
var x;
|
|
var dx;
|
|
var y;
|
|
var dy;
|
|
var seriesIndex;
|
|
var pointList;
|
|
var isHorizontal; // 是否横向布局， isHorizontal;
|
|
|
|
var aniCount = 0;
|
|
function animationDone() {
|
|
aniCount--;
|
|
if (aniCount === 0) {
|
|
done && done();
|
|
}
|
|
}
|
|
function animationDuring(target) {
|
|
// 强制更新曲线控制点
|
|
target.style.controlPointList = null;
|
|
}
|
|
|
|
for (var i = this.shapeList.length - 1; i >= 0; i--) {
|
|
seriesIndex = this.shapeList[i]._seriesIndex;
|
|
if (aniMap[seriesIndex] && !aniMap[seriesIndex][3]) {
|
|
// 有数据删除才有移动的动画
|
|
if (this.shapeList[i]._main && this.shapeList[i].style.pointList.length > 1) {
|
|
pointList = this.shapeList[i].style.pointList;
|
|
// 主线动画
|
|
dx = Math.abs(pointList[0][0] - pointList[1][0]);
|
|
dy = Math.abs(pointList[0][1] - pointList[1][1]);
|
|
isHorizontal = this.shapeList[i]._orient === 'horizontal';
|
|
|
|
if (aniMap[seriesIndex][2]) {
|
|
// 队头加入删除末尾
|
|
if (this.shapeList[i].type === 'half-smooth-polygon') {
|
|
//区域图
|
|
var len = pointList.length;
|
|
this.shapeList[i].style.pointList[len - 3] = pointList[len - 2];
|
|
this.shapeList[i].style.pointList[len - 3][isHorizontal ? 0 : 1]
|
|
= pointList[len - 4][isHorizontal ? 0 : 1];
|
|
this.shapeList[i].style.pointList[len - 2] = pointList[len - 1];
|
|
}
|
|
this.shapeList[i].style.pointList.pop();
|
|
isHorizontal ? (x = dx, y = 0) : (x = 0, y = -dy);
|
|
}
|
|
else {
|
|
// 队尾加入删除头部
|
|
this.shapeList[i].style.pointList.shift();
|
|
if (this.shapeList[i].type === 'half-smooth-polygon') {
|
|
//区域图
|
|
var targetPoint =this.shapeList[i].style.pointList.pop();
|
|
isHorizontal
|
|
? (targetPoint[0] = pointList[0][0])
|
|
: (targetPoint[1] = pointList[0][1]);
|
|
this.shapeList[i].style.pointList.push(targetPoint);
|
|
}
|
|
isHorizontal ? (x = -dx, y = 0) : (x = 0, y = dy);
|
|
}
|
|
this.shapeList[i].style.controlPointList = null;
|
|
|
|
this.zr.modShape(this.shapeList[i]);
|
|
}
|
|
else {
|
|
// 拐点动画
|
|
if (aniMap[seriesIndex][2]
|
|
&& this.shapeList[i]._dataIndex
|
|
=== series[seriesIndex].data.length - 1
|
|
) {
|
|
// 队头加入删除末尾
|
|
this.zr.delShape(this.shapeList[i].id);
|
|
continue;
|
|
}
|
|
else if (!aniMap[seriesIndex][2]
|
|
&& this.shapeList[i]._dataIndex === 0
|
|
) {
|
|
// 队尾加入删除头部
|
|
this.zr.delShape(this.shapeList[i].id);
|
|
continue;
|
|
}
|
|
}
|
|
this.shapeList[i].position = [0, 0];
|
|
|
|
aniCount++;
|
|
this.zr.animate(this.shapeList[i].id, '')
|
|
.when(
|
|
this.query(this.option, 'animationDurationUpdate'),
|
|
{ position: [ x, y ] }
|
|
)
|
|
.during(animationDuring)
|
|
.done(animationDone)
|
|
.start();
|
|
}
|
|
}
|
|
|
|
// 没有动画
|
|
if (!aniCount) {
|
|
animationDone();
|
|
}
|
|
}
|
|
};
|
|
|
|
function legendLineIcon(ctx, style, refreshNextFrame) {
|
|
var x = style.x;
|
|
var y = style.y;
|
|
var width = style.width;
|
|
var height = style.height;
|
|
|
|
var dy = height / 2;
|
|
|
|
if (style.symbol.match('empty')) {
|
|
ctx.fillStyle = '#fff';
|
|
}
|
|
style.brushType = 'both';
|
|
|
|
var symbol = style.symbol.replace('empty', '').toLowerCase();
|
|
if (symbol.match('star')) {
|
|
dy = (symbol.replace('star','') - 0) || 5;
|
|
y -= 1;
|
|
symbol = 'star';
|
|
}
|
|
else if (symbol === 'rectangle' || symbol === 'arrow') {
|
|
x += (width - height) / 2;
|
|
width = height;
|
|
}
|
|
|
|
var imageLocation = '';
|
|
if (symbol.match('image')) {
|
|
imageLocation = symbol.replace(
|
|
new RegExp('^image:\\/\\/'), ''
|
|
);
|
|
symbol = 'image';
|
|
x += Math.round((width - height) / 2) - 1;
|
|
width = height = height + 2;
|
|
}
|
|
symbol = IconShape.prototype.iconLibrary[symbol];
|
|
|
|
if (symbol) {
|
|
var x2 = style.x;
|
|
var y2 = style.y;
|
|
ctx.moveTo(x2, y2 + dy);
|
|
ctx.lineTo(x2 + 5, y2 + dy);
|
|
ctx.moveTo(x2 + style.width - 5, y2 + dy);
|
|
ctx.lineTo(x2 + style.width, y2 + dy);
|
|
var self = this;
|
|
symbol(
|
|
ctx,
|
|
{
|
|
x: x + 4,
|
|
y: y + 4,
|
|
width: width - 8,
|
|
height: height - 8,
|
|
n: dy,
|
|
image: imageLocation
|
|
},
|
|
function () {
|
|
self.modSelf();
|
|
refreshNextFrame();
|
|
}
|
|
);
|
|
}
|
|
else {
|
|
ctx.moveTo(x, y + dy);
|
|
ctx.lineTo(x + width, y + dy);
|
|
}
|
|
}
|
|
IconShape.prototype.iconLibrary['legendLineIcon'] = legendLineIcon;
|
|
|
|
zrUtil.inherits(Line, ChartBase);
|
|
|
|
// 图表注册
|
|
require('../chart').define('line', Line);
|
|
|
|
return Line;
|
|
});
|