src/chart/themeRiver/ThemeRiverSeries.js

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/**
 * @file  Define the themeRiver view's series model
 * @author Deqing Li(annong035@gmail.com)
 */
define(function (require) {

    'use strict';

    var completeDimensions = require('../../data/helper/completeDimensions');
    var SeriesModel = require('../../model/Series');
    var List = require('../../data/List');
    var zrUtil = require('zrender/core/util');
    var formatUtil = require('../../util/format');
    var encodeHTML = formatUtil.encodeHTML;
    var nest = require('../../util/array/nest');

    var DATA_NAME_INDEX = 2;

    var ThemeRiverSeries = SeriesModel.extend({

        type: 'series.themeRiver',

        dependencies: ['singleAxis'],

        /**
         * @readOnly
         * @type {Object}
         */
        nameMap: null,

        /**
         * @override
         */
        init: function (option) {
            ThemeRiverSeries.superApply(this, 'init', arguments);

            // Put this function here is for the sake of consistency of code
            // Enable legend selection for each data item
            // Use a function instead of direct access because data reference may changed
            this.legendDataProvider = function () {
                return this._dataBeforeProcessed;
            };
        },

        /**
         * If there is no value of a certain point in the time for some event,set it value to 0.
         *
         * @param {Array} data  initial data in the option
         * @return {Array}
         */
        fixData: function (data) {
            var rawDataLength = data.length;

            // grouped data by name
            var dataByName = nest()
                .key(function (dataItem) {
                    return dataItem[2];
                })
                .entries(data);