devextreme
Version:
HTML5 JavaScript Component Suite for Responsive Web Development
74 lines (73 loc) • 2.65 kB
JavaScript
/**
* DevExtreme (esm/__internal/ui/collection/m_collection_widget.async.js)
* Version: 24.2.7
* Build date: Mon Apr 28 2025
*
* Copyright (c) 2012 - 2025 Developer Express Inc. ALL RIGHTS RESERVED
* Read about DevExtreme licensing here: https://js.devexpress.com/Licensing/
*/
import _extends from "@babel/runtime/helpers/esm/extends";
import Guid from "../../../core/guid";
import {
Deferred,
when
} from "../../../core/utils/deferred";
import CollectionWidgetEdit from "../../ui/collection/m_collection_widget.edit";
class CollectionWidgetAsync extends CollectionWidgetEdit {
_initMarkup() {
this._asyncTemplateItemsMap = {};
super._initMarkup()
}
_render() {
super._render();
this._planPostRenderActions()
}
_renderItemContent(args) {
const renderContentDeferred = Deferred();
const itemDeferred = Deferred();
const uniqueKey = `dx${new Guid}`;
this._asyncTemplateItemsMap[uniqueKey] = itemDeferred;
const $itemContent = super._renderItemContent(_extends({}, args, {
uniqueKey: uniqueKey
}));
itemDeferred.done((() => {
renderContentDeferred.resolve($itemContent)
}));
return renderContentDeferred.promise()
}
_onItemTemplateRendered(itemTemplate, renderArgs) {
return () => {
const {
uniqueKey: uniqueKey
} = renderArgs;
if (uniqueKey) {
var _this$_asyncTemplateI;
null === (_this$_asyncTemplateI = this._asyncTemplateItemsMap[uniqueKey]) || void 0 === _this$_asyncTemplateI || _this$_asyncTemplateI.resolve()
}
}
}
_postProcessRenderItems() {}
_planPostRenderActions() {
for (var _len = arguments.length, args = new Array(_len), _key = 0; _key < _len; _key++) {
args[_key] = arguments[_key]
}
const d = Deferred();
const asyncTemplateItems = Object.values(this._asyncTemplateItemsMap);
when.apply(this, asyncTemplateItems).done((() => {
this._postProcessRenderItems(...args);
d.resolve().done((() => {
this._asyncTemplateItemsMap = {}
}))
}));
return d.promise()
}
_clean() {
super._clean();
const asyncTemplateItems = Object.values(this._asyncTemplateItemsMap);
asyncTemplateItems.forEach((item => {
item.reject()
}));
this._asyncTemplateItemsMap = {}
}
}
export default CollectionWidgetAsync;