115 lines
3.2 KiB
JavaScript
115 lines
3.2 KiB
JavaScript
/**
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* echarts通用私有数据服务
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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() {
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/**
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* 打包私有数据
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*
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* @param {shape} shape 修改目标
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* @param {Object} series
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* @param {number} seriesIndex
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* @param {number | Object} data
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* @param {number} dataIndex
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* @param {*=} special
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* @param {*=} special2
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*/
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function pack(
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shape, series, seriesIndex, data, dataIndex, name, special, special2
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) {
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var value;
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if (typeof data != 'undefined') {
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value = data.value == null
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? data
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: data.value;
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}
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shape._echartsData = {
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'_series' : series,
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'_seriesIndex' : seriesIndex,
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'_data' : data,
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'_dataIndex' : dataIndex,
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'_name' : name,
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'_value' : value,
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'_special' : special,
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'_special2' : special2
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};
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return shape._echartsData;
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}
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/**
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* 从私有数据中获取特定项
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* @param {shape} shape
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* @param {string} key
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*/
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function get(shape, key) {
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var data = shape._echartsData;
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if (!key) {
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return data;
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}
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switch (key) {
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case 'series' :
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case 'seriesIndex' :
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case 'data' :
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case 'dataIndex' :
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case 'name' :
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case 'value' :
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case 'special' :
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case 'special2' :
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return data && data['_' + key];
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}
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return null;
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}
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/**
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* 修改私有数据中获取特定项
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* @param {shape} shape
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* @param {string} key
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* @param {*} value
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*/
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function set(shape, key, value) {
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shape._echartsData = shape._echartsData || {};
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switch (key) {
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case 'series' : // 当前系列值
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case 'seriesIndex' : // 系列数组位置索引
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case 'data' : // 当前数据值
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case 'dataIndex' : // 数据数组位置索引
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case 'name' :
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case 'value' :
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case 'special' :
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case 'special2' :
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shape._echartsData['_' + key] = value;
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break;
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}
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}
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/**
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* 私有数据克隆，把source拷贝到target上
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* @param {shape} source 源
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* @param {shape} target 目标
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*/
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function clone(source, target) {
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target._echartsData = {
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'_series' : source._echartsData._series,
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'_seriesIndex' : source._echartsData._seriesIndex,
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'_data' : source._echartsData._data,
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'_dataIndex' : source._echartsData._dataIndex,
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'_name' : source._echartsData._name,
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'_value' : source._echartsData._value,
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'_special' : source._echartsData._special,
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'_special2' : source._echartsData._special2
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};
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}
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return {
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pack : pack,
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set : set,
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get : get,
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clone : clone
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};
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}); |