580 lines
17 KiB
JavaScript
580 lines
17 KiB
JavaScript
/*
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This program is free software: you can redistribute it and/or modify
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it under the terms of the GNU Affero General Public License as
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published by the Free Software Foundation, either version 3 of the
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License, or (at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU Affero General Public License for more details.
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You should have received a copy of the GNU Affero General Public License
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along with this program. If not, see <https://www.gnu.org/licenses/>.
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Copyright (C) 2022 Dr Steven Transmisia, anti-evil engineer,
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2022 Nekobit, king autist
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*/
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// Status
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let emojiEngineStarted = false;
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// DOM stuff
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const classesSelectorDOM = document.getElementById("emoji-modal-tabs");
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const emojiButtonTemplateDOM = document.getElementById("emoji-button-template");
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const emojiResultsDOM = document.getElementById("tab-content");
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/** @type {HTMLInputElement[]} */
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const emojiSelectSuffixDOMs = document.getElementsByClassName("emoji-suffix");
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/** @type {HTMLInputElement[]} */
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const emojiSelectPostfixDOMs= document.getElementsByClassName("emoji-postfix");
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const emojiNotFoundDOM = document.getElementById("no-emojis-found");
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const emojiWorkingDOM = document.getElementById("emojis-work");
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/** @type {HTMLInputElement} */
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const emojiSearchBarDOM = document.getElementById('emoji_search');
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/** @type {HTMLInputElement} */
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let emojiInputTargetDOM = undefined;
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// Emojis usage stats. I don't really like this format but I'll keep it for backward comp.
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const favorite_emojis = JSON.parse(localStorage.getItem("favorite_emojis")) || {};
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/** Associative array of all the emojis' DOM */
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let emojiDOMs = {};
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const EMOIJ_SEARCH_ENGINE_MIN_INTERVAL = 350;
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let emojiSearcher = {
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working: false,
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queries: [],
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addQuery: function(query)
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{
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this.queries.push(query);
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if(!this.working)
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this.work();
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},
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work: async function work() {
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this.working = true;
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while(this.queries.length > 0)
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{
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const startTime = Date.now();
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// Get last input
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const query = this.queries[this.queries.length - 1].toLowerCase();
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this.queries = [];
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// To improve perf we avoid showing all emojis at the same time.
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if(query === "")
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{
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await classesSelectorDOM.children[0].children[0].click();
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classesSelectorDOM.children[0].children[0].classList.add("active");
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continue;
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}
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// Search
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const resultSet = emojisSearchDictionary.completeSearch(query);
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// update stuff
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for(const [emojiName, emojiDOM] of Object.entries(emojiDOMs))
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emojiDOM.hidden = !resultSet.has(emojiName);
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emojiNotFoundDOM.hidden = resultSet.size !== 0;
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let sleepTime = EMOIJ_SEARCH_ENGINE_MIN_INTERVAL - (Date.now() - startTime);
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if(sleepTime > 0)
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await new Promise(r => setTimeout(r, sleepTime));
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}
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this.working = false;
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}
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};
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// tags dictionary. KEEP IT SORT
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class EmoijsDictNode
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{
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constructor(tag, name) {
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this.tag = tag;
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this.emojiNames = [name];
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}
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}
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const emojisSearchDictionary = {
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dict: [],
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updateTag: function(tag, emojiName) {
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if(tag === undefined || emojiName === undefined)
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return;
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let low = 0;
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let high = this.dict.length;
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while (low < high) {
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let mid = (low + high) >>> 1;
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if (this.dict[mid].tag < tag)
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low = mid + 1;
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else
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high = mid;
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}
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let target = low;
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if(this.dict[target] !== undefined && this.dict[target].tag === tag)
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this.dict[target].emojiNames.push(emojiName);
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else
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this.dict.splice(target ,0,new EmoijsDictNode(tag, emojiName));
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},
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/**
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* We find the name of each emojis that has a tag that starts with query.
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*
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* Basically I run a binary search to find a tag that starts with a query, then I look left and right
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* for other tags tat start with the query. As the array is ordered this algo is sound.
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* @param {String} tag
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* @returns {Set}
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*/
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searchFor: function(query) {
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query = query.toLowerCase()
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if(this.dict.length === 0)
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return new Set();
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const result = new Set();
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let low = 0;
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let high = this.dict.length;
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while (low < high) {
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let mid = (low + high) >>> 1;
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if (this.dict[mid].tag < query)
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low = mid + 1;
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else
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high = mid;
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}
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let target = low;
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for(let i = target; i >= 0 && this.dict[i].tag.startsWith(query); i--)
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for(let j = 0; j < this.dict[i].emojiNames.length; j++)
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result.add(this.dict[i].emojiNames[j]);
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for(let i = target + 1; i < this.dict.length && this.dict[i].tag.startsWith(query); i++)
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for(let j = 0; j < this.dict[i].emojiNames.length; j++)
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result.add(this.dict[i].emojiNames[j]);
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return result;
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},
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/**
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* We also check for substrings! (sigh)
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* @param {String} tag
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* @returns {Set}
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*/
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completeSearch: function(query) {
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const result = new Set();
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for(let i = 0; i < this.dict.length; i++)
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if(this.dict[i].tag.includes(query))
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for(let j = 0; j < this.dict[i].emojiNames.length; j++)
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result.add(this.dict[i].emojiNames[j])
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return result;
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}
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};
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// get public emojis list
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const emojiRequest = new XMLHttpRequest();
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emojiRequest.open("GET", '/emojis');
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emojiRequest.setRequestHeader('xhr', 'xhr');
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emojiRequest.onload = async (e) => {
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let emojis = JSON.parse(emojiRequest.response);
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if(! (emojis instanceof Array ))
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throw new TypeError("[EMOJI DIALOG] rDrama's server should have sent a JSON-coded Array!");
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let classes = new Set();
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const bussyDOM = document.createElement("div");
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for(let i = 0; i < emojis.length; i++)
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{
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const emoji = emojis[i];
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emojisSearchDictionary.updateTag(emoji.name, emoji.name);
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if(emoji.author !== undefined && emoji.author !== null)
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emojisSearchDictionary.updateTag(emoji.author.toLowerCase(), emoji.name);
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if(emoji.tags instanceof Array)
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for(let i = 0; i < emoji.tags.length; i++)
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emojisSearchDictionary.updateTag(emoji.tags[i], emoji.name);
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classes.add(emoji.class);
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// Create emoji DOM
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const emojiDOM = document.importNode(emojiButtonTemplateDOM.content, true).children[0];
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emojiDOM.title = emoji.name
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if(emoji.author !== undefined && emoji.author !== null)
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emojiDOM.title += "\nauthor\t" + emoji.author
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if(emoji.count !== undefined)
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emojiDOM.title += "\nused\t" + emoji.count;
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emojiDOM.dataset.className = emoji.class;
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emojiDOM.dataset.emojiName = emoji.name;
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emojiDOM.onclick = emojiAddToInput;
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emojiDOM.hidden = true;
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const emojiIMGDOM = emojiDOM.children[0];
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emojiIMGDOM.src = "/e/" + emoji.name + ".webp";
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emojiIMGDOM.alt = emoji.name;
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/** Disableing lazy loading seems to reduce cpu usage somehow (?)
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* idk it is difficult to benchmark */
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emojiIMGDOM.loading = "lazy";
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// Save reference
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emojiDOMs[emoji.name] = emojiDOM;
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// Add to the document!
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bussyDOM.appendChild(emojiDOM);
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}
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// Create header
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for(let className of classes)
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{
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let classSelectorDOM = document.createElement("li");
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classSelectorDOM.classList.add("nav-item");
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let classSelectorLinkDOM = document.createElement("a");
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classSelectorLinkDOM.href = "#";
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classSelectorLinkDOM.classList.add("nav-link", "emojitab");
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classSelectorLinkDOM.dataset.bsToggle = "tab";
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classSelectorLinkDOM.dataset.className = className;
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classSelectorLinkDOM.innerText = className;
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classSelectorLinkDOM.addEventListener('click', switchEmojiTab);
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classSelectorDOM.appendChild(classSelectorLinkDOM);
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classesSelectorDOM.appendChild(classSelectorDOM);
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}
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// Show favorite for start.
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await classesSelectorDOM.children[0].children[0].click();
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// Send it to the render machine!
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emojiResultsDOM.appendChild(bussyDOM);
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emojiResultsDOM.hidden = false;
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emojiWorkingDOM.hidden = true;
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emojiSearchBarDOM.disabled = false;
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}
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/**
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*
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* @param {Event} e
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*/
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function switchEmojiTab(e)
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{
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const className = e.currentTarget.dataset.className;
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emojiSearchBarDOM.value = "";
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emojiSearchBarDOM.focus();
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emojiNotFoundDOM.hidden = true;
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// Special case: favorites
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if(className === "favorite")
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{
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for(const emojiDOM of Object.values(emojiDOMs))
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emojiDOM.hidden = true;
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const favs = Object.keys(Object.fromEntries(
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Object.entries(favorite_emojis).sort(([,a],[,b]) => b-a)
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)).slice(0, 25);
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for (const emoji of favs)
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if(emojiDOMs[emoji] instanceof HTMLElement)
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emojiDOMs[emoji].hidden = false;
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return;
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}
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for(const emojiDOM of Object.values(emojiDOMs))
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emojiDOM.hidden = emojiDOM.dataset.className !== className;
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}
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for (const emojitab of document.getElementsByClassName('emojitab')) {
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emojitab.addEventListener('click', (e)=>{switchEmojiTab(e)})
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}
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async function start_search() {
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emojiSearcher.addQuery(emojiSearchBarDOM.value.trim());
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// Remove any selected tab, now it is meaningless
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for(let i = 0; i < classesSelectorDOM.children.length; i++)
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classesSelectorDOM.children[i].children[0].classList.remove("active");
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}
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/**
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* Add the selected emoji to the targeted text area
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* @param {Event} event
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*/
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function emojiAddToInput(event)
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{
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// This should not happen if used properly but whatever
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if(!(emojiInputTargetDOM instanceof HTMLTextAreaElement) && !(emojiInputTargetDOM instanceof HTMLInputElement))
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return;
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// If a range is selected, setRangeText will overwrite it. Maybe better to ask the r-slured if he really wants this behaviour
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if(emojiInputTargetDOM.selectionStart !== emojiInputTargetDOM.selectionEnd && !confirm("You've selected a range of text.\nThe emoji will overwrite it! Do you want to continue?"))
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return;
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let strToInsert = event.currentTarget.dataset.emojiName;
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for(let i = 0; i < emojiSelectPostfixDOMs.length; i++)
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if(emojiSelectPostfixDOMs[i].checked)
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strToInsert = strToInsert + emojiSelectPostfixDOMs[i].value;
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for(let i = 0; i < emojiSelectSuffixDOMs.length; i++)
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if(emojiSelectSuffixDOMs[i].checked)
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strToInsert = emojiSelectSuffixDOMs[i].value + strToInsert;
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strToInsert = ":" + strToInsert + ":"
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const newPos = emojiInputTargetDOM.selectionStart + strToInsert.length;
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emojiInputTargetDOM.setRangeText(strToInsert);
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const emojiInsertedEvent = new CustomEvent("emojiInserted", { detail: { emoji: strToInsert } });
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document.dispatchEvent(emojiInsertedEvent);
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// Sir, come out and drink your Chromium complaint web
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// I HATE CHROME. I HATE CHROME
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if(window.chrome !== undefined)
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setTimeout(function(){
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console.warn("Chrome detected, r-slured mode enabled.");
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// AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA
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// JUST WORK STUPID CHROME PIECE OF SHIT
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emojiInputTargetDOM.focus();
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for(let i = 0; i < 2; i++)
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emojiInputTargetDOM.setSelectionRange(newPos, newPos);
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emojiInputTargetDOM.focus();
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for(let i = 0; i < 2; i++)
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emojiInputTargetDOM.setSelectionRange(newPos, newPos);
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}, 1);
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else
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emojiInputTargetDOM.setSelectionRange(newPos, newPos);
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// kick-start the preview
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emojiInputTargetDOM.dispatchEvent(new Event('input'));
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// Update favs. from old code
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if (favorite_emojis[event.currentTarget.dataset.emojiName])
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favorite_emojis[event.currentTarget.dataset.emojiName] += 1;
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else
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favorite_emojis[event.currentTarget.dataset.emojiName] = 1;
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localStorage.setItem("favorite_emojis", JSON.stringify(favorite_emojis));
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}
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let emoji_typing_state = false;
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function update_ghost_div_textarea(text)
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{
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let ghostdiv = text.parentNode.querySelector(".ghostdiv");
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if (!ghostdiv) return;
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ghostdiv.innerText = text.value.substring(0, text.selectionStart);
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ghostdiv.insertAdjacentHTML('beforeend', "<span></span>");
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// Now lets get coordinates
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ghostdiv.style.display = "initial";
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let end = ghostdiv.querySelector("span");
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const carot_coords = end.getBoundingClientRect();
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const ghostdiv_coords = ghostdiv.getBoundingClientRect();
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ghostdiv.style.display = "none";
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return { pos: text.selectionStart, x: carot_coords.x, y: carot_coords.y - ghostdiv_coords.y };
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}
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// Used for anything where a user is typing, specifically for the emoji modal
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// Just leave it global, I don't care
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let speed_carot_modal = document.createElement("div");
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speed_carot_modal.id = "speed-carot-modal";
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speed_carot_modal.style.position = "absolute";
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speed_carot_modal.style.left = "0px";
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speed_carot_modal.style.top = "0px";
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speed_carot_modal.style.display = "none";
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document.body.appendChild(speed_carot_modal);
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let e
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let current_word = "";
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let selecting;
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let emoji_index = 0;
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function curr_word_is_emoji()
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{
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return current_word && current_word.charAt(0) == ":" &&
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current_word.charAt(current_word.length-1) != ":";
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}
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function populate_speed_emoji_modal(results, textbox)
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{
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selecting = true;
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if (!results || results.size === 0)
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{
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speed_carot_modal.style.display = "none";
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return -1;
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}
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emoji_index = 0;
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speed_carot_modal.innerHTML = "";
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const MAXXX = 25;
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// Not sure why the results is a Set... but oh well
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let i = 0;
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for (let result of results)
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{
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if (i++ > MAXXX) return i;
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let emoji_option = document.createElement("div");
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emoji_option.className = "speed-modal-option emoji-option " + (i === 1 ? "selected" : "");
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emoji_option.tabIndex = 0;
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let emoji_option_img = document.createElement("img");
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emoji_option_img.className = "speed-modal-image emoji-option-image";
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// This is a bit
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emoji_option_img.src = `/e/${result}.webp`;
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let emoji_option_text = document.createElement("span");
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emoji_option_text.title = result;
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emoji_option_text.innerText = result;
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if (current_word.includes("#")) result = `#${result}`
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if (current_word.includes("!")) result = `!${result}`
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emoji_option.addEventListener('click', () => {
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selecting = false;
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speed_carot_modal.style.display = "none";
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textbox.value = textbox.value.replace(new RegExp(current_word+"(?=\\s|$)", "g"), `:${result}:`)
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textbox.focus()
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markdown(textbox)
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});
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// Pack
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emoji_option.appendChild(emoji_option_img);
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emoji_option.appendChild(emoji_option_text);
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speed_carot_modal.appendChild(emoji_option);
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}
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if (i === 0) speed_carot_modal.style.display = "none";
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else speed_carot_modal.style.display = "initial";
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return i;
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}
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function update_speed_emoji_modal(event)
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{
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const box_coords = update_ghost_div_textarea(event.target);
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let text = event.target.value;
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// Unused, but left incase anyone wants to use this more efficient method for emojos
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switch (event.data)
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{
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case ':':
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emoji_typing_state = true;
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break;
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case ' ':
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emoji_typing_state = false;
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break;
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default:
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break;
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}
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// Get current word at string, such as ":marse" or "word"
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let coords = text.indexOf(' ',box_coords.pos);
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current_word = /:[!#a-zA-Z0-9_]+(?=\n|$)/.exec(text.slice(0, coords === -1 ? text.length : coords));
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if (current_word) current_word = current_word.toString();
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/* We could also check emoji_typing_state here, which is less accurate but more efficient. I've
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* kept it unless someone wants to provide an option to toggle it for performance */
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if (curr_word_is_emoji() && current_word != ":")
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{
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loadEmojis(null);
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let modal_pos = event.target.getBoundingClientRect();
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modal_pos.x += window.scrollX;
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modal_pos.y += window.scrollY;
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speed_carot_modal.style.display = "initial";
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speed_carot_modal.style.left = box_coords.x - 35 + "px";
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speed_carot_modal.style.top = modal_pos.y + box_coords.y + 14 + "px";
|
|
|
|
// Do the search (and do something with it)
|
|
populate_speed_emoji_modal(emojisSearchDictionary.searchFor(current_word.substr(1).replace(/#/g, "").replace(/!/g, "")), event.target);
|
|
|
|
}
|
|
else {
|
|
speed_carot_modal.style.display = "none";
|
|
}
|
|
}
|
|
|
|
function speed_carot_navigate(e)
|
|
{
|
|
if (!selecting) return;
|
|
|
|
let select_items = speed_carot_modal.querySelectorAll(".speed-modal-option");
|
|
if (!select_items || !curr_word_is_emoji()) return;
|
|
// Up or down arrow or enter
|
|
if (e.keyCode == 38 || e.keyCode == 40 || e.keyCode == 13)
|
|
{
|
|
if (emoji_index > select_items.length)
|
|
emoji_index = select_items;
|
|
|
|
select_items[emoji_index].classList.remove("selected");
|
|
switch (e.keyCode)
|
|
{
|
|
case 38: // Up arrow
|
|
if (emoji_index)
|
|
emoji_index--;
|
|
break;
|
|
|
|
case 40: // Down arrow
|
|
if (emoji_index < select_items.length-1) emoji_index++;
|
|
break;
|
|
|
|
case 13:
|
|
select_items[emoji_index].click();
|
|
|
|
default:
|
|
break;
|
|
}
|
|
|
|
select_items[emoji_index].classList.add("selected");
|
|
e.preventDefault();
|
|
}
|
|
}
|
|
|
|
// Let's get it running now
|
|
let forms = document.querySelectorAll("textarea, .allow-emojis");
|
|
forms.forEach(i => {
|
|
let pseudo_div = document.createElement("div");
|
|
pseudo_div.className = "ghostdiv";
|
|
pseudo_div.style.display = "none";
|
|
i.after(pseudo_div);
|
|
i.addEventListener('input', update_speed_emoji_modal, false);
|
|
i.addEventListener('keydown', speed_carot_navigate, false);
|
|
});
|
|
|
|
function loadEmojis(inputTargetIDName)
|
|
{
|
|
selecting = false;
|
|
speed_carot_modal.style.display = "none";
|
|
|
|
if(!emojiEngineStarted)
|
|
{
|
|
emojiEngineStarted = true;
|
|
emojiRequest.send();
|
|
}
|
|
|
|
if (inputTargetIDName)
|
|
emojiInputTargetDOM = document.getElementById(inputTargetIDName);
|
|
}
|
|
|
|
document.getElementById('emojiModal').addEventListener('shown.bs.modal', function () {
|
|
emojiSearchBarDOM.focus();
|
|
setTimeout(() => {
|
|
emojiSearchBarDOM.focus();
|
|
}, 200);
|
|
setTimeout(() => {
|
|
emojiSearchBarDOM.focus();
|
|
}, 1000);
|
|
});
|