mirror of
https://github.com/thelounge/thelounge.git
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Rewrite tabcomplete
This commit is contained in:
Pavel Djundik
parent
df703dc73a
commit
e462ed6270
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@ -2,19 +2,22 @@
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const $ = require("jquery");
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const fuzzy = require("fuzzy");
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const Mousetrap = require("mousetrap");
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const emojiMap = require("./libs/simplemap.json");
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const constants = require("./constants");
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require("./libs/jquery/tabcomplete");
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const input = $("#input");
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const Textcomplete = require("textcomplete/lib/textcomplete").default;
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const Textarea = require("textcomplete/lib/textarea").default;
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const editor = new Textarea(input.get(0));
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let textcomplete;
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module.exports = {
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enable: enableAutocomplete,
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disable: () => textcomplete.destroy(false),
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disable: () => {
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input.unbind("input.tabcomplete");
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Mousetrap(input.get(0)).unbind("tab", "keydown");
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textcomplete.destroy();
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},
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};
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const chat = $("#chat");
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@ -147,13 +150,53 @@ const backgroundColorStrategy = {
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index: 2,
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};
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input
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.tab((word) => completeNicks(word, false), {hint: false})
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.on("autocomplete:on", function() {
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enableAutocomplete();
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function enableAutocomplete() {
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let tabCount = 0;
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let currentMatches = [];
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input.on("input.tabcomplete", () => {
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tabCount = 0;
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currentMatches = [];
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});
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function enableAutocomplete() {
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Mousetrap(input.get(0)).bind("tab", (e) => {
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if (input.data("autocompleting")) {
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return;
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}
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e.preventDefault();
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const text = input.val();
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if (input.get(0).selectionStart !== text.length) {
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return;
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}
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let lastWord;
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if (tabCount === 0) {
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lastWord = text.split(/\s/).pop();
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if (lastWord.length === 0) {
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return;
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}
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currentMatches = completeNicks(lastWord, false);
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if (currentMatches.length === 0) {
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return;
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}
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} else {
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lastWord = nicksStrategy.replace([0, currentMatches[(tabCount - 1) % currentMatches.length]]);
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}
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const matchedNick = currentMatches[tabCount % currentMatches.length];
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input.val(text.substr(0, input.get(0).selectionStart - lastWord.length) + nicksStrategy.replace([0, matchedNick]));
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tabCount++;
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}, "keydown");
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const editor = new Textarea(input.get(0));
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textcomplete = new Textcomplete(editor, {
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dropdown: {
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className: "textcomplete-menu",
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258
client/js/libs/jquery/tabcomplete.js
vendored
258
client/js/libs/jquery/tabcomplete.js
vendored
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@ -1,258 +0,0 @@
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import jQuery from "jquery";
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/*!
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* tabcomplete
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* http://github.com/erming/tabcomplete
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* v1.3.1
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*/
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(function($) {
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var keys = {
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backspace: 8,
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tab: 9,
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up: 38,
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down: 40
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};
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$.tabcomplete = {};
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$.tabcomplete.defaultOptions = {
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after: "",
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arrowKeys: false,
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caseSensitive: false,
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hint: "placeholder",
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minLength: 1
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};
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$.fn.tab = // Alias
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$.fn.tabcomplete = function(args, options) {
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if (this.length > 1) {
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return this.each(function() {
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$(this).tabcomplete(args, options);
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});
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}
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// Only enable the plugin on <input> and <textarea> elements.
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var tag = this.prop("tagName");
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if (tag != "INPUT" && tag != "TEXTAREA") {
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return;
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}
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// Set default options.
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options = $.extend(
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$.tabcomplete.defaultOptions,
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options
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);
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// Remove any leftovers.
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// This allows us to override the plugin if necessary.
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this.unbind(".tabcomplete");
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this.prev(".hint").remove();
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var self = this;
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var backspace = false;
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var i = -1;
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var words = [];
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var last = "";
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var hint = $.noop;
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// Determine what type of hinting to use.
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switch (options.hint) {
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case "placeholder":
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hint = placeholder;
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break;
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case "select":
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hint = select;
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break;
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}
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this.on("input.tabcomplete", function() {
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var input = self.val();
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var word = input.split(/ |\n/).pop();
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// Reset iteration.
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i = -1;
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last = "";
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words = [];
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// Check for matches if the current word is the last word.
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if (self[0].selectionStart == input.length
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&& word.length) {
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if (typeof args === "function") {
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// If the user supplies a function, invoke it
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// and keep the result.
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words = args(word);
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} else {
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// Otherwise, call the .match() function.
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words = match(word, args, options.caseSensitive);
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}
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// Append 'after' to each word.
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if (options.after) {
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words = $.map(words, function(w) { return w + options.after; });
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}
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}
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// Emit the number of matching words with the 'match' event.
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self.trigger("match", words.length);
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if (options.hint) {
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if (!(options.hint == "select" && backspace) && word.length >= options.minLength) {
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// Show hint.
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hint.call(self, words[0]);
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} else {
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// Clear hinting.
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// This call is needed when using backspace.
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hint.call(self, "");
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}
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}
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if (backspace) {
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backspace = false;
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}
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});
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this.on("keydown.tabcomplete", function(e) {
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var key = e.which;
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if (key == keys.tab && !e.ctrlKey
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|| (options.arrowKeys && (key == keys.up || key == keys.down))) {
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// Don't lose focus on tab click.
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e.preventDefault();
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// Iterate the matches with tab and the up and down keys by incrementing
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// or decrementing the 'i' variable.
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if (key != keys.up) {
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i++;
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} else {
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if (i == -1) return;
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if (i == 0) {
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// Jump to the last word.
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i = words.length - 1;
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} else {
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i--;
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}
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}
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// Get next match.
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var word = words[i % words.length];
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if (!word) {
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return;
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}
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var value = self.val();
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last = last || value.split(/ |\n/).pop();
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// Return if the 'minLength' requirement isn't met.
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if (last.length < options.minLength) {
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return;
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}
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// Update element with the completed text.
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var text = value.substr(0, self[0].selectionStart - last.length) + word;
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self.val(text);
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// Put the cursor at the end after completion.
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// This isn't strictly necessary, but solves an issue with
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// Internet Explorer.
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if (options.hint == "select") {
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self[0].selectionStart = text.length;
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}
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// Remember the word until next time.
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last = word;
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// Emit event.
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self.trigger("tabcomplete", last);
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if (options.hint) {
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// Turn off any additional hinting.
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hint.call(self, "");
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}
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} else if (e.which == keys.backspace) {
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// Remember that backspace was pressed. This is used
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// by the 'input' event.
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backspace = true;
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// Reset iteration.
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i = -1;
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last = "";
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}
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});
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if (options.hint) {
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// If enabled, turn on hinting.
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hint.call(this, "");
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}
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return this;
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}
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// Simple matching.
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// Filter the array and return the items that begins with 'word'.
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function match(word, array, caseSensitive) {
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return $.grep(
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array,
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function(w) {
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if (caseSensitive) {
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return !w.indexOf(word);
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} else {
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return !w.toLowerCase().indexOf(word.toLowerCase());
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}
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}
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);
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}
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// Show placeholder text.
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// This works by creating a copy of the input and placing it behind
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// the real input.
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function placeholder(word) {
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var input = this;
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var clone = input.prev(".hint");
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input.css({
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backgroundColor: "transparent",
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position: "relative",
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});
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// Lets create a clone of the input if it does
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// not already exist.
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if (!clone.length) {
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input.wrap(
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$("<div>").css({position: "relative", height: input.css("height")})
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);
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clone = input
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.clone()
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.attr("tabindex", -1)
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.removeAttr("id name placeholder")
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.addClass("hint")
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.insertBefore(input);
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clone.css({
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position: "absolute",
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});
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}
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var hint = "";
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if (typeof word !== "undefined") {
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var value = input.val();
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hint = value + word.substr(value.split(/ |\n/).pop().length);
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}
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clone.val(hint);
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}
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// Hint by selecting part of the suggested word.
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function select(word) {
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var input = this;
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var value = input.val();
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if (word) {
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input.val(
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value
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+ word.substr(value.split(/ |\n/).pop().length)
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);
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// Select hint.
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input[0].selectionStart = value.length;
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}
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}
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})(jQuery);
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