socketIO-chat/index.html at master · Rickmusic/socketIO-chat · GitHub

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<!doctype html>
<html>
<head>
    <title>Socket.IO chat</title>
    <link rel="stylesheet" type="text/css" href="main.css">

</head>
<body>
<div id="top">Chat Application</div>
<div id="getNick">
    <form name="usernameForm"><input type="text" id="n" autocomplete="off" placeholder="Enter your nickname here"/>
        <button>Confirm</button>
    </form>
</div>
<div id="main"><div class="info" id="username"></div>
    <div class="LRcontain">

        <div id="left">

            <ul id="messages"></ul>
        </div>
        <div id="right">
            <div class="info"><h4>Current Users</h4></div>
            <ul id="users"></ul>
        </div>
    </div>
    <div class="input">
        <form name="chatForm"><input type="text" id="m" autocomplete="off" placeholder="Your message here"/>
            <button>Send</button>
        </form>
    </div>
</div>
<div id="foot"><h4>Application Produced by Austin Wattling</h4></div>
<script src="/socket.io/socket.io.js"></script>
<script src="https://code.jquery.com/jquery-1.11.1.js"></script>
<script>
    let self_username = "x";
    let self_color = "#6A5ACD";
    $(function () {
        var socket = io();
        let preName = getCookie('preName');
        if(preName != ''){
            socket.emit('newuser', preName, function (data){
                if(data){
                    // yay username not being used
                    self_username = preName;
                    setCookie('preName', self_username, 30);
                    $('#getNick').hide();
                    $('#main').show();
                }
                else{
                    self_username = "x";
                }
            });
        }
        $('form').submit(function(){
            // Catches the username form //
            if(self_username === "x"){
                socket.emit('newuser', $('#n').val(), function(data){
                    if(data) {
                        self_username = $('#n').val();
                        setCookie('preName', self_username, 30);
                        $('#getNick').hide();
                        $('#main').show();
                    }
                    else{
                        $('#getNick').append("Username already in use. Please try again");
                        // Should print error for user // Nickname invalid //
                    }
                });
            }// Catches the chat form submission//
            else{
                socket.emit('chat message', $('#m').val(), self_username, self_color);
                $('#m').val('');
            }
            return false;
        });

        // Handles the receipt of a message from the server//;
        socket.on('chat message', function(msg){
            let value = "<li>";
            let date = new Date(msg.timestamp);
            value += date.getHours() + ":";
            value +=  date.getMinutes()+ " ";
            value += "<span style='color:";
            value += msg.color + "'>";
            value += msg.user + "</span>: ";
            if(msg.user === self_username){
                value += "<strong>" + msg.content + "</strong>";
            }
            else{
                value += msg.content;
            }

            value += "</li>"
            // Adds msg to the running html list //
            $('#messages').append(value);
            $('#left').scrollTop($('#messages').height());
        });

        // Handles this as a client //
        socket.on('createUser', function (username) {
            self_username = username;
            //setCookie('preName', self_username, 30);
            $("#username").html("<h4>Your username is " + self_username + "</h4>");
        });

        socket.on('changeColor', function (color) {
            self_color = color;
            console.log("Color changed");
        });

        // Handles the creation of another user //
        socket.on('updateUsers', function (usernames) {
            let html = "";
            for(let y in usernames){
                html += "<li>" + usernames[y];
            }
            $('#users').html(html);
        });

        function setCookie(cname, cvalue, exdays) {
            let d = new Date();
            d.setTime(d.getTime() + exdays * 24 * 60 * 60 * 1000);
            let expires = 'expires=' + d.toUTCString();
            document.cookie = cname + '=' + cvalue + ';' + expires + ';path=/';
        }

        function getCookie(cname) {
            let name = cname + '=';
            let decodedCookie = decodeURIComponent(document.cookie);
            let ca = decodedCookie.split(';');
            for (let i = 0; i < ca.length; i++) {
                let c = ca[i];
                while (c.charAt(0) == ' ') {
                    c = c.substring(1);
                }
                if (c.indexOf(name) == 0) {
                    return c.substring(name.length, c.length);
                }
            }
            return '';
        }

    });
</script>
</body>
</html>