113 lines
3.6 KiB
JavaScript
113 lines
3.6 KiB
JavaScript
/* eslint-disable */
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import AjaxCache from '../../lib/utils/ajax_cache';
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const AjaxFilter = {
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init: function (hook) {
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this.destroyed = false;
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this.hook = hook;
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this.notLoading();
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this.eventWrapper = {};
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this.eventWrapper.debounceTrigger = this.debounceTrigger.bind(this);
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this.hook.trigger.addEventListener('keydown.dl', this.eventWrapper.debounceTrigger);
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this.hook.trigger.addEventListener('focus', this.eventWrapper.debounceTrigger);
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this.trigger(true);
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},
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notLoading: function notLoading() {
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this.loading = false;
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},
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debounceTrigger: function debounceTrigger(e) {
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var NON_CHARACTER_KEYS = [16, 17, 18, 20, 37, 38, 39, 40, 91, 93];
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var invalidKeyPressed = NON_CHARACTER_KEYS.indexOf(e.detail.which || e.detail.keyCode) > -1;
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var focusEvent = e.type === 'focus';
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if (invalidKeyPressed || this.loading) {
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return;
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}
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if (this.timeout) {
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clearTimeout(this.timeout);
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}
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this.timeout = setTimeout(this.trigger.bind(this, focusEvent), 200);
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},
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trigger: function trigger(getEntireList) {
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var config = this.hook.config.AjaxFilter;
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var searchValue = this.trigger.value;
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if (!config || !config.endpoint || !config.searchKey) {
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return;
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}
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if (config.searchValueFunction) {
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searchValue = config.searchValueFunction();
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}
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if (
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(config.loadingTemplate && this.hook.list.data === undefined) ||
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this.hook.list.data.length === 0
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) {
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var dynamicList = this.hook.list.list.querySelector('[data-dynamic]');
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var loadingTemplate = document.createElement('div');
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loadingTemplate.innerHTML = config.loadingTemplate;
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loadingTemplate.setAttribute('data-loading-template', true);
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this.listTemplate = dynamicList.outerHTML;
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dynamicList.outerHTML = loadingTemplate.outerHTML;
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}
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if (getEntireList) {
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searchValue = '';
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}
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if (config.searchKey === searchValue) {
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return this.list.show();
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}
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this.loading = true;
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var params = config.params || {};
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params[config.searchKey] = searchValue;
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var url = config.endpoint + this.buildParams(params);
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return AjaxCache.retrieve(url)
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.then((data) => {
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this._loadData(data, config);
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if (config.onLoadingFinished) {
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config.onLoadingFinished(data);
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}
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})
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.catch(config.onError);
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},
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_loadData(data, config) {
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const list = this.hook.list;
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if ((config.loadingTemplate && list.data === undefined) || list.data.length === 0) {
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const dataLoadingTemplate = list.list.querySelector('[data-loading-template]');
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if (dataLoadingTemplate) {
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dataLoadingTemplate.outerHTML = this.listTemplate;
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}
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}
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if (!this.destroyed) {
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var hookListChildren = list.list.children;
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var onlyDynamicList =
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hookListChildren.length === 1 && hookListChildren[0].hasAttribute('data-dynamic');
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if (onlyDynamicList && data.length === 0) {
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list.hide();
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}
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list.setData.call(list, data);
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}
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this.notLoading();
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list.currentIndex = 0;
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},
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buildParams: function (params) {
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if (!params) return '';
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var paramsArray = Object.keys(params).map(function (param) {
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return param + '=' + (params[param] || '');
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});
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return '?' + paramsArray.join('&');
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},
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destroy: function destroy() {
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if (this.timeout) clearTimeout(this.timeout);
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this.destroyed = true;
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this.hook.trigger.removeEventListener('keydown.dl', this.eventWrapper.debounceTrigger);
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this.hook.trigger.removeEventListener('focus', this.eventWrapper.debounceTrigger);
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},
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};
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export default AjaxFilter;
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