META-INF.assets.rjzjh.echarts.src.component.helper.selectableMixin.js Maven / Gradle / Ivy
/**
* 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 (targetList) {
this._selectTargetMap = zrUtil.reduce(targetList || [], function (targetMap, target) {
targetMap[target.name] = target;
return targetMap;
}, {});
},
/**
* @param {string} name
*/
// PENGING If selectedMode is null ?
select: function (name) {
var targetMap = this._selectTargetMap;
var target = targetMap[name];
var selectedMode = this.get('selectedMode');
if (selectedMode === 'single') {
zrUtil.each(targetMap, function (target) {
target.selected = false;
});
}
target && (target.selected = true);
},
/**
* @param {string} name
*/
unSelect: function (name) {
var target = this._selectTargetMap[name];
// var selectedMode = this.get('selectedMode');
// selectedMode !== 'single' && target && (target.selected = false);
target && (target.selected = false);
},
/**
* @param {string} name
*/
toggleSelected: function (name) {
var target = this._selectTargetMap[name];
if (target != null) {
this[target.selected ? 'unSelect' : 'select'](name);
return target.selected;
}
},
/**
* @param {string} name
*/
isSelected: function (name) {
var target = this._selectTargetMap[name];
return target && target.selected;
}
};
});