Merge pull request #787 from yashsriv/feat/emoji-autocomplete

Add autocomplete for emoji, users, chans, and commands

client/css/style.css

@@ -1338,8 +1338,7 @@ kbd {
 
 #help .help-item .subject {
 	white-space: nowrap;
-	padding-right: 10px;
-	min-width: 150px;
+	padding-right: 15px;
 }
 
 #help .help-item .description p {
@@ -1486,7 +1485,8 @@ kbd {
 	background: transparent;
 }
 
-#context-menu {
+#context-menu,
+.textcomplete-menu {
 	position: absolute;
 	list-style: none;
 	margin: 0;
@@ -1505,7 +1505,8 @@ kbd {
 	background-color: rgba(0, 0, 0, .1);
 }
 
-.context-menu-item {
+.context-menu-item,
+.textcomplete-item {
 	cursor: pointer;
 	display: block;
 	padding: 4px 8px;
@@ -1514,15 +1515,33 @@ kbd {
 	margin-bottom: 6px;
 }
 
-.context-menu-item:hover {
+.context-menu-item:hover,
+.textcomplete-item:hover,
+.textcomplete-menu .active {
 	background-color: #f6f6f6;
 }
 
-.context-menu-item:before {
+.context-menu-item:before,
+.textcomplete-item:before {
 	width: 20px;
 	display: inline-block;
 }
 
+.textcomplete-item a {
+	color: #333;
+}
+
+.textcomplete-item a:hover {
+	opacity: 1;
+}
+
+.textcomplete-item .emoji {
+	margin-right: 8px;
+	width: 16px;
+	text-align: center;
+	display: inline-block;
+}
+
 /**
   * Tooltips v0.5.3
   * See http://primercss.io/tooltips/

client/index.html

@@ -532,6 +532,49 @@
 							</div>
 						</div>
 
+						<h2>Autocompletion</h2>
+
+						<p>
+							Start typing the following characters followed by any letter to
+							trigger the autocompletion dropdown:
+						</p>
+
+						<div class="help-item">
+							<div class="subject">
+								<code>@</code>
+							</div>
+							<div class="description">
+								<p>Nickname</p>
+							</div>
+						</div>
+
+						<div class="help-item">
+							<div class="subject">
+								<code>#</code>
+							</div>
+							<div class="description">
+								<p>Channel</p>
+							</div>
+						</div>
+
+						<div class="help-item">
+							<div class="subject">
+								<code>/</code>
+							</div>
+							<div class="description">
+								<p>Commands (see list of commands below)</p>
+							</div>
+						</div>
+
+						<div class="help-item">
+							<div class="subject">
+								<code>:</code>
+							</div>
+							<div class="description">
+								<p>Emoji</p>
+							</div>
+						</div>
+
 						<h2>Commands</h2>
 
 						<p>All commands can be autocompleted with <kbd>tab</kbd>.</p>

client/js/libs/jquery/inputhistory.js

@@ -34,7 +34,7 @@ import jQuery from "jquery";
 			var key = e.which;
 			switch (key) {
 			case 13: // Enter
-				if (e.shiftKey) {
+				if (e.shiftKey || self.data("autocompleting")) {
 					return; // multiline input
 				}
 				
@@ -56,7 +56,7 @@ import jQuery from "jquery";
 			case 38: // Up
 			case 40: // Down
 				// NOTICE: This is specific to The Lounge.
-				if (e.ctrlKey || e.metaKey) {
+				if (e.ctrlKey || e.metaKey || self.data("autocompleting")) {
 					break;
 				}
 				

client/js/lounge.js

@@ -2,12 +2,14 @@
 
 // vendor libraries
 require("jquery-ui/ui/widgets/sortable");
+require("jquery-textcomplete");
 const $ = require("jquery");
 const moment = require("moment");
 const Mousetrap = require("mousetrap");
 const URI = require("urijs");
 
 // our libraries
+const emojiMap = require("./libs/simplemap.json");
 require("./libs/jquery/inputhistory");
 require("./libs/jquery/stickyscroll");
 require("./libs/jquery/tabcomplete");
@@ -41,6 +43,73 @@ $(function() {
 
 	var favicon = $("#favicon");
 
+	// Autocompletion Strategies
+
+	const emojiStrategy = {
+		id: "emoji",
+		match: /\B:([-+\w]*)$/,
+		search(term, callback) {
+			callback(Object.keys(emojiMap).filter(name => name.indexOf(term) === 0));
+		},
+		template(value) {
+			return `<span class="emoji">${emojiMap[value]}</span> ${value}`;
+		},
+		replace(value) {
+			return emojiMap[value];
+		},
+		index: 1
+	};
+
+	const nicksStrategy = {
+		id: "nicks",
+		match: /\B(@([a-zA-Z_[\]\\^{}|`@][a-zA-Z0-9_[\]\\^{}|`-]*)?)$/,
+		search(term, callback) {
+			term = term.slice(1);
+			if (term[0] === "@") {
+				callback(completeNicks(term.slice(1)).map(val => "@" + val));
+			} else {
+				callback(completeNicks(term));
+			}
+		},
+		template(value) {
+			return value;
+		},
+		replace(value) {
+			return value;
+		},
+		index: 1
+	};
+
+	const chanStrategy = {
+		id: "chans",
+		match: /\B((#|\+|&|![A-Z0-9]{5})([^\x00\x0A\x0D\x20\x2C\x3A]+(:[^\x00\x0A\x0D\x20\x2C\x3A]*)?)?)$/,
+		search(term, callback, match) {
+			callback(completeChans(match[0]));
+		},
+		template(value) {
+			return value;
+		},
+		replace(value) {
+			return value;
+		},
+		index: 1
+	};
+
+	const commandStrategy = {
+		id: "commands",
+		match: /^\/(\w*)$/,
+		search(term, callback) {
+			callback(completeCommands("/" + term));
+		},
+		template(value) {
+			return value;
+		},
+		replace(value) {
+			return value;
+		},
+		index: 1
+	};
+
 	socket.on("auth", function(data) {
 		var login = $("#sign-in");
 		var token;
@@ -638,7 +707,18 @@ $(function() {
 
 			chat.find(".chan.active .chat").trigger("msg.sticky"); // fix growing
 		})
-		.tab(complete, {hint: false});
+		.tab(completeNicks, {hint: false})
+		.textcomplete([emojiStrategy, nicksStrategy, chanStrategy, commandStrategy], {
+			dropdownClassName: "textcomplete-menu",
+			placement: "top"
+		}).on({
+			"textComplete:show": function() {
+				$(this).data("autocompleting", true);
+			},
+			"textComplete:hide": function() {
+				$(this).data("autocompleting", false);
+			}
+		});
 
 	var focus = $.noop;
 	if (!("ontouchstart" in window || navigator.maxTouchPoints > 0)) {
@@ -1272,18 +1352,31 @@ $(function() {
 			.find(".messages .msg, .date-marker").remove();
 	}
 
-	function complete(word) {
-		var words = constants.commands.slice();
-		var users = chat.find(".active").find(".users");
-		var nicks = users.data("nicks");
+	function completeNicks(word) {
+		const users = chat.find(".active").find(".users");
+		const words = users.data("nicks");
 
-		for (var i in nicks) {
-			words.push(nicks[i]);
+		return $.grep(
+			words,
+			w => !w.toLowerCase().indexOf(word.toLowerCase())
+		);
 	}
 
+	function completeCommands(word) {
+		const words = constants.commands.slice();
+
+		return $.grep(
+			words,
+			w => !w.toLowerCase().indexOf(word.toLowerCase())
+		);
+	}
+
+	function completeChans(word) {
+		const words = [];
+
 		sidebar.find(".chan")
 			.each(function() {
-				var self = $(this);
+				const self = $(this);
 				if (!self.hasClass("lobby")) {
 					words.push(self.data("title"));
 				}
@@ -1291,9 +1384,7 @@ $(function() {
 
 		return $.grep(
 			words,
-			function(w) {
-				return !w.toLowerCase().indexOf(word.toLowerCase());
-			}
+			w => !w.toLowerCase().indexOf(word.toLowerCase())
 		);
 	}
 

package.json

@@ -68,6 +68,7 @@
     "handlebars": "4.0.6",
     "handlebars-loader": "1.5.0",
     "jquery": "3.2.1",
+    "jquery-textcomplete": "1.8.0",
     "jquery-ui": "1.12.1",
     "mocha": "3.3.0",
     "mousetrap": "1.6.1",

webpack.config.js

@@ -13,6 +13,7 @@ let config = {
 		"js/bundle.vendor.js": [
 			"handlebars/runtime",
 			"jquery",
+			"jquery-textcomplete",
 			"jquery-ui/ui/widgets/sortable",
 			"moment",
 			"mousetrap",