@progress/kendo-ui/esm/dropdowns-loader-5JHS4W9x.js

This package is part of the [Kendo UI for jQuery](http://www.telerik.com/kendo-ui) suite.

import "./kendo.core-B45DfgdW.js";
//#region ../src/utils/dropdowns-loader.js
let $ = kendo.jQuery;
const LOADING = "k-loading";
const LOADER = "k-icon k-i-loading k-input-loading-icon";
const SELECTOR = "k-input-inner";
const INPUT_VALUES = "k-input-values";
const ARIA_BUSY = "aria-busy";
function initLoader() {
	const that = this;
	that._loading = $("<span></span>").addClass(LOADER).attr("role", "presentation");
	that._showBusy = showBusy.bind(that);
	that._hideBusy = hideBusy.bind(that);
	that._toggleLoader = toggleLoader.bind(that);
	that._showBusyHandler = showBusyHandler.bind(that);
}
function toggleLoader(toggle) {
	const that = this;
	const loaderIsShown = that.wrapper.hasClass(LOADING);
	const inputValuesWrapper = that.wrapper.find(`.${INPUT_VALUES}`);
	const isMultiSelect = that.options.name.toLowerCase() === "multiselect";
	if (that._loading) {
		if (toggle && !loaderIsShown) {
			that.wrapper.addClass(LOADING);
			if (that._suffixContainer) {
				const separators = that.wrapper.find(".k-input-separator");
				$(separators[separators.length - 1]).before(that._loading);
			} else if (that._arrow) that._arrow.before(that._loading);
			else if (inputValuesWrapper.length > 0 && isMultiSelect) that._loading.insertAfter(inputValuesWrapper);
			else {
				const element = that.element.hasClass(SELECTOR) ? that.element : that.wrapper.find(`.${SELECTOR}`);
				that._loading.insertAfter(element);
			}
		} else if (loaderIsShown) {
			that.wrapper.removeClass(LOADING);
			that._loading.remove();
		}
	}
}
function showBusyHandler() {
	const that = this;
	if (that._focused) that._focused.attr(ARIA_BUSY, true);
	else (that.element.hasClass(SELECTOR) ? that.element : that.wrapper.find(`.${SELECTOR}`)).attr(ARIA_BUSY, true);
	that._toggleLoader(true);
	that._hideClear();
}
function showBusy(e) {
	const that = this;
	if (e && e.isDefaultPrevented()) return;
	that._request = true;
	if (that._busy) return;
	that._busy = setTimeout(that._showBusyHandler, 100);
}
function hideBusy() {
	const that = this;
	clearTimeout(that._busy);
	that._toggleLoader(false);
	that._busy = null;
	if (that._request) that._request = false;
	if (that._focused) that._focused.attr(ARIA_BUSY, false);
	else (that.element.hasClass(SELECTOR) ? that.element : that.wrapper.find(`.${SELECTOR}`)).attr(ARIA_BUSY, true);
	if (that._toggleCloseVisibility) that._toggleCloseVisibility();
	else that._showClear();
}
//#endregion
export { initLoader as t };