@antv/g2
Version:
the Grammar of Graphics in Javascript
82 lines • 2.9 kB
JavaScript
import { __extends } from "tslib";
import { each, some } from '@antv/util';
import ListState from './list-state';
var STATUS_UNCHECKED = 'unchecked';
var STATUS_CHECKED = 'checked';
/**
* checked Action
* 提供三个对外方法
* 1. toggle 切换状态
* 2. checked 选中
* 3. reset 清除重置
*/
var ListChecked = /** @class */ (function (_super) {
__extends(ListChecked, _super);
function ListChecked() {
var _this = _super !== null && _super.apply(this, arguments) || this;
_this.stateName = STATUS_CHECKED;
return _this;
}
// 单个 item 设置状态
ListChecked.prototype.setItemState = function (list, item, enable) {
this.setCheckedBy(list, function (el) { return el === item; }, enable);
};
// 根据条件设置 checked
ListChecked.prototype.setCheckedBy = function (list, callback, enable) {
var items = list.getItems();
if (enable) {
// 设置 checked 时，保留之前已经 checked 的项
each(items, function (item) {
if (callback(item)) {
if (list.hasState(item, STATUS_UNCHECKED)) {
list.setItemState(item, STATUS_UNCHECKED, false);
}
list.setItemState(item, STATUS_CHECKED, true);
}
else if (!list.hasState(item, STATUS_CHECKED)) {
list.setItemState(item, STATUS_UNCHECKED, true);
}
});
}
};
/**
* 切换状态.
* 1. 当全部选中的时候 或者 当前 item 未选中时，进行激活操作
* 2. 否则，重置
* @override
*/
ListChecked.prototype.toggle = function () {
var triggerInfo = this.getTriggerListInfo();
if (triggerInfo && triggerInfo.item) {
var list_1 = triggerInfo.list, item = triggerInfo.item;
// 不知道 🤷♀️ 只认 unchecked status
var allChecked = !some(list_1.getItems(), function (t) { return list_1.hasState(t, STATUS_UNCHECKED); });
//
if (allChecked || list_1.hasState(item, STATUS_UNCHECKED)) {
this.setItemState(list_1, item, true);
}
else {
this.reset();
}
}
};
/**
* checked 图例项
*/
ListChecked.prototype.checked = function () {
this.setState();
};
/**
* 重置，需要全部清理 checked 和 unchecked
*/
ListChecked.prototype.reset = function () {
var components = this.getAllowComponents();
each(components, function (component) {
component.clearItemsState(STATUS_CHECKED);
component.clearItemsState(STATUS_UNCHECKED);
});
};
return ListChecked;
}(ListState));
export default ListChecked;
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