82 lines
No EOL
2.6 KiB
JavaScript
82 lines
No EOL
2.6 KiB
JavaScript
import {htmlToDom} from "../services/dom";
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import {debounce} from "../services/util";
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import {KeyboardNavigationHandler} from "../services/keyboard-navigation";
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import {Component} from "./component";
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/**
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* Global (header) search box handling.
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* Mainly to show live results preview.
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*/
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export class GlobalSearch extends Component {
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setup() {
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this.container = this.$el;
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this.input = this.$refs.input;
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this.suggestions = this.$refs.suggestions;
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this.suggestionResultsWrap = this.$refs.suggestionResults;
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this.loadingWrap = this.$refs.loading;
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this.button = this.$refs.button;
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this.setupListeners();
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}
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setupListeners() {
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const updateSuggestionsDebounced = debounce(this.updateSuggestions.bind(this), 200, false);
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// Handle search input changes
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this.input.addEventListener('input', () => {
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const value = this.input.value;
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if (value.length > 0) {
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this.loadingWrap.style.display = 'block';
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this.suggestionResultsWrap.style.opacity = '0.5';
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updateSuggestionsDebounced(value);
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} else {
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this.hideSuggestions();
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}
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});
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// Allow double click to show auto-click suggestions
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this.input.addEventListener('dblclick', () => {
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this.input.setAttribute('autocomplete', 'on');
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this.button.focus();
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this.input.focus();
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});
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new KeyboardNavigationHandler(this.container, () => {
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this.hideSuggestions();
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});
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}
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/**
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* @param {String} search
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*/
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async updateSuggestions(search) {
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const {data: results} = await window.$http.get('/search/suggest', {term: search});
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if (!this.input.value) {
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return;
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}
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const resultDom = htmlToDom(results);
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this.suggestionResultsWrap.innerHTML = '';
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this.suggestionResultsWrap.style.opacity = '1';
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this.loadingWrap.style.display = 'none';
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this.suggestionResultsWrap.append(resultDom);
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if (!this.container.classList.contains('search-active')) {
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this.showSuggestions();
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}
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}
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showSuggestions() {
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this.container.classList.add('search-active');
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window.requestAnimationFrame(() => {
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this.suggestions.classList.add('search-suggestions-animation');
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})
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}
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hideSuggestions() {
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this.container.classList.remove('search-active');
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this.suggestions.classList.remove('search-suggestions-animation');
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this.suggestionResultsWrap.innerHTML = '';
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}
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} |