273 lines
10 KiB
JavaScript
273 lines
10 KiB
JavaScript
import "./emoji-picker-content.js";
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import './emoji-dropdown.js';
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import DOMNavigator from "shared/dom-navigator";
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import debounce from 'lodash-es/debounce';
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import { CustomElement } from 'shared/components/element.js';
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import { KEYCODES } from '@converse/headless/shared/constants.js';
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import { _converse, api, converse } from "@converse/headless/core";
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import { getTonedEmojis } from './utils.js';
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import { tplEmojiPicker } from "./templates/emoji-picker.js";
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import './styles/emoji.scss';
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const u = converse.env.utils;
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export default class EmojiPicker extends CustomElement {
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static get properties () {
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return {
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'chatview': { type: Object },
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'current_category': { type: String, 'reflect': true },
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'current_skintone': { type: String, 'reflect': true },
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'model': { type: Object },
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'query': { type: String, 'reflect': true },
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// This is an optimization, we lazily render the emoji picker, otherwise tests slow to a crawl.
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'render_emojis': { type: Boolean },
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}
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}
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firstUpdated () {
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super.firstUpdated();
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this.listenTo(this.model, 'change', o => this.onModelChanged(o.changed));
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this.initArrowNavigation();
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}
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constructor () {
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super();
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this.query = '';
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this._search_results = [];
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this.debouncedFilter = debounce(input => this.model.set({'query': input.value}), 250);
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}
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get search_results () {
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return this._search_results;
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}
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set search_results (value) {
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this._search_results = value;
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this.requestUpdate();
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}
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render () {
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return tplEmojiPicker({
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'chatview': this.chatview,
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'current_category': this.current_category,
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'current_skintone': this.current_skintone,
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'model': this.model,
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'onCategoryPicked': ev => this.chooseCategory(ev),
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'onSearchInputBlurred': ev => this.chatview.emitFocused(ev),
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'onSearchInputFocus': ev => this.onSearchInputFocus(ev),
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'onSearchInputKeyDown': ev => this.onSearchInputKeyDown(ev),
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'onSkintonePicked': ev => this.chooseSkinTone(ev),
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'query': this.query,
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'search_results': this.search_results,
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'render_emojis': this.render_emojis,
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'sn2Emoji': shortname => u.shortnamesToEmojis(this.getTonedShortname(shortname))
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});
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}
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updated (changed) {
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changed.has('query') && this.updateSearchResults(changed);
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changed.has('current_category') && this.setScrollPosition();
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}
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onModelChanged (changed) {
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if ('current_category' in changed) this.current_category = changed.current_category;
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if ('current_skintone' in changed) this.current_skintone = changed.current_skintone;
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if ('query' in changed) this.query = changed.query;
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}
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setScrollPosition () {
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if (this.preserve_scroll) {
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this.preserve_scroll = false;
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return;
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}
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const el = this.querySelector('.emoji-lists__container--browse');
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const heading = this.querySelector(`#emoji-picker-${this.current_category}`);
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if (heading) {
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// +4 due to 2px padding on list elements
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el.scrollTop = heading.offsetTop - heading.offsetHeight*3 + 4;
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}
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}
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updateSearchResults (changed) {
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const old_query = changed.get('query');
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const contains = _converse.FILTER_CONTAINS;
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if (this.query) {
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if (this.query === old_query) {
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return this.search_results;
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} else if (old_query && this.query.includes(old_query)) {
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this.search_results = this.search_results.filter(e => contains(e.sn, this.query));
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} else {
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this.search_results = converse.emojis.list.filter(e => contains(e.sn, this.query));
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}
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} else if (this.search_results.length) {
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// Avoid re-rendering by only setting to new empty array if it wasn't empty before
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this.search_results = [];
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}
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}
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registerEvents () {
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this.onGlobalKeyDown = ev => this._onGlobalKeyDown(ev);
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const body = document.querySelector('body');
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body.addEventListener('keydown', this.onGlobalKeyDown);
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}
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connectedCallback () {
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super.connectedCallback();
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this.registerEvents();
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}
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disconnectedCallback() {
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const body = document.querySelector('body');
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body.removeEventListener('keydown', this.onGlobalKeyDown);
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this.disableArrowNavigation();
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super.disconnectedCallback();
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}
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_onGlobalKeyDown (ev) {
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if (!this.navigator) {
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return;
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}
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if (ev.keyCode === KEYCODES.ENTER && u.isVisible(this)) {
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this.onEnterPressed(ev);
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} else if (ev.keyCode === KEYCODES.DOWN_ARROW &&
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!this.navigator.enabled &&
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u.isVisible(this)) {
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this.enableArrowNavigation(ev);
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} else if (ev.keyCode === KEYCODES.ESCAPE) {
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this.disableArrowNavigation();
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setTimeout(() => this.chatview.querySelector('.chat-textarea').focus(), 50);
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}
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}
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setCategoryForElement (el) {
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const old_category = this.current_category;
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const category = el?.getAttribute('data-category') || old_category;
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if (old_category !== category) {
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this.model.save({'current_category': category});
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}
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}
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insertIntoTextArea (value) {
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const autocompleting = this.model.get('autocompleting');
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const ac_position = this.model.get('ac_position');
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this.model.set({'autocompleting': null, 'query': '', 'ac_position': null});
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this.disableArrowNavigation();
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const jid = this.chatview.model.get('jid');
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const options = {
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'bubbles': true,
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'detail': { value, autocompleting, ac_position, jid }
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};
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this.dispatchEvent(new CustomEvent("emojiSelected", options));
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}
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chooseSkinTone (ev) {
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ev.preventDefault();
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ev.stopPropagation();
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const target = ev.target.nodeName === 'IMG' ? ev.target.parentElement : ev.target;
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const skintone = target.getAttribute("data-skintone").trim();
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if (this.current_skintone === skintone) {
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this.model.save({'current_skintone': ''});
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} else {
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this.model.save({'current_skintone': skintone});
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}
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}
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chooseCategory (ev) {
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ev.preventDefault && ev.preventDefault();
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ev.stopPropagation && ev.stopPropagation();
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const el = ev.target.matches('li') ? ev.target : u.ancestor(ev.target, 'li');
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this.setCategoryForElement(el);
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this.navigator.select(el);
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!this.navigator.enabled && this.navigator.enable();
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}
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onSearchInputKeyDown (ev) {
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if (ev.keyCode === KEYCODES.TAB) {
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if (ev.target.value) {
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ev.preventDefault();
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const match = converse.emojis.shortnames.find(sn => _converse.FILTER_CONTAINS(sn, ev.target.value));
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match && this.model.set({'query': match});
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} else if (!this.navigator.enabled) {
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this.enableArrowNavigation(ev);
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}
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} else if (ev.keyCode === KEYCODES.DOWN_ARROW && !this.navigator.enabled) {
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this.enableArrowNavigation(ev);
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} else if (
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ev.keyCode !== KEYCODES.ENTER &&
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ev.keyCode !== KEYCODES.DOWN_ARROW
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) {
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this.debouncedFilter(ev.target);
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}
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}
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onEnterPressed (ev) {
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ev.preventDefault();
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ev.stopPropagation();
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if (converse.emojis.shortnames.includes(ev.target.value)) {
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this.insertIntoTextArea(ev.target.value);
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} else if (this.search_results.length === 1) {
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this.insertIntoTextArea(this.search_results[0].sn);
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} else if (this.navigator.selected && this.navigator.selected.matches('.insert-emoji')) {
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this.insertIntoTextArea(this.navigator.selected.getAttribute('data-emoji'));
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} else if (this.navigator.selected && this.navigator.selected.matches('.emoji-category')) {
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this.chooseCategory({'target': this.navigator.selected});
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}
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}
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onSearchInputFocus (ev) {
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this.chatview.emitBlurred(ev);
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this.disableArrowNavigation();
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}
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getTonedShortname (shortname) {
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if (getTonedEmojis().includes(shortname) && this.current_skintone) {
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return `${shortname.slice(0, shortname.length-1)}_${this.current_skintone}:`
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}
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return shortname;
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}
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initArrowNavigation () {
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if (!this.navigator) {
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const default_selector = 'li:not(.hidden):not(.emoji-skintone), .emoji-search';
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const options = {
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'jump_to_picked': '.emoji-category',
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'jump_to_picked_selector': '.emoji-category.picked',
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'jump_to_picked_direction': DOMNavigator.DIRECTION.down,
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'picked_selector': '.picked',
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'scroll_container': this.querySelector('.emoji-picker__lists'),
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'getSelector': direction => {
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if (direction === DOMNavigator.DIRECTION.down) {
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const c = this.navigator.selected && this.navigator.selected.getAttribute('data-category');
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return c ? `ul[data-category="${c}"] li:not(.hidden):not(.emoji-skintone), .emoji-search` : default_selector;
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} else {
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return default_selector;
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}
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},
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'onSelected': el => {
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el.matches('.insert-emoji') && this.setCategoryForElement(el.parentElement);
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el.matches('.insert-emoji, .emoji-category') && el.firstElementChild.focus();
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el.matches('.emoji-search') && el.focus();
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}
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};
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this.navigator = new DOMNavigator(this, options);
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}
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}
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disableArrowNavigation () {
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this.navigator?.disable();
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}
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enableArrowNavigation (ev) {
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ev?.preventDefault?.();
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ev?.stopPropagation?.();
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this.disableArrowNavigation();
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this.navigator.enable();
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this.navigator.handleKeydown(ev);
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}
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}
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api.elements.define('converse-emoji-picker', EmojiPicker);
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