echarts
Version:
A powerful charting and visualization library for browser
66 lines (60 loc) • 2.04 kB
JavaScript
/**
* Data selectable mixin for chart series.
* To eanble data select, option of series must have `selectedMode`.
* And each data item will use `selected` to toggle itself selected status
*
* @module echarts/chart/helper/DataSelectable
*/
define(function (require) {
var zrUtil = require('zrender/core/util');
return {
updateSelectedMap: function () {
var option = this.option;
this._dataOptMap = zrUtil.reduce(option.data, function (dataOptMap, dataOpt) {
dataOptMap[dataOpt.name] = dataOpt;
return dataOptMap;
}, {});
},
/**
* @param {string} name
*/
// PENGING If selectedMode is null ?
select: function (name) {
var dataOptMap = this._dataOptMap;
var dataOpt = dataOptMap[name];
var selectedMode = this.get('selectedMode');
if (selectedMode === 'single') {
zrUtil.each(dataOptMap, function (dataOpt) {
dataOpt.selected = false;
});
}
dataOpt && (dataOpt.selected = true);
},
/**
* @param {string} name
*/
unSelect: function (name) {
var dataOpt = this._dataOptMap[name];
// var selectedMode = this.get('selectedMode');
// selectedMode !== 'single' && dataOpt && (dataOpt.selected = false);
dataOpt && (dataOpt.selected = false);
},
/**
* @param {string} name
*/
toggleSelected: function (name) {
var dataOpt = this._dataOptMap[name];
if (dataOpt != null) {
this[dataOpt.selected ? 'unSelect' : 'select'](name);
return dataOpt.selected;
}
},
/**
* @param {string} name
*/
isSelected: function (name) {
var dataOpt = this._dataOptMap[name];
return dataOpt && dataOpt.selected;
}
};
});