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index.html
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index.html
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<html>
<head>
<script src='http://ajax.googleapis.com/ajax/libs/jquery/1.11.0/jquery.min.js'></script>
<script>
$(document).ready(function(){
if (typeof WebSocket != 'undefined') {
$('#ask').show();
} else {
$('#error').show();
}
// join on enter
$('#ask input').keydown(function(event) {
if (event.keyCode == 13) {
$('#ask a').click();
}
})
// join on click
$('#ask a').click(function() {
join($('#ask input').val());
$('#ask').hide();
$('#channel').show();
$('input#message').focus();
});
function join(name) {
var host = window.location.host.split(':')[0];
var ws = new WebSocket("{{ url_for('chatroom_ws') }}");
var container = $('div#msgs');
ws.onmessage = function(evt) {
var obj = JSON.parse(evt.data);
if (typeof obj != 'object') return;
var action = obj['action'];
var struct = container.find('li.' + action + ':first');
if (struct.length < 1) {
console.log("Could not handle: " + evt.data);
return;
}
var msg = struct.clone();
msg.find('.time').text((new Date()).toString("HH:mm:ss"));
if (action == 'message') {
var matches;
if (matches = obj['message'].match(/^\s*[\/\\]me\s(.*)/)) {
msg.find('.user').text(obj['user'] + ' ' + matches[1]);
msg.find('.user').css('font-weight', 'bold');
} else {
msg.find('.user').text(obj['user']);
msg.find('.message').text(': ' + obj['message']);
}
} else if (action == 'control') {
msg.find('.user').text(obj['user']);
msg.find('.message').text(obj['message']);
msg.addClass('control');
}
if (obj['user'] == name) msg.find('.user').addClass('self');
container.find('ul').append(msg.show());
container.scrollTop(container.find('ul').innerHeight());
}
$('#channel form').submit(function(event) {
event.preventDefault();
var input = $(this).find(':input');
var msg = input.val();
if (msg) {
ws.send(JSON.stringify({ action: 'message', user: name, message: msg }));
}
input.val('');
});
}
});
</script>
<style type="text/css" media="screen">
* {
font-family: Georgia;
}
a {
color: #000;
text-decoration: none;
}
a:hover {
text-decoration: underline;
}
div.bordered {
margin: 0 auto;
margin-top: 100px;
width: 600px;
padding: 20px;
text-align: center;
border: 10px solid #ddd;
-webkit-border-radius: 20px;
}
#error {
background-color: #BA0000;
color: #fff;
font-weight: bold;
}
#ask {
font-size: 20pt;
}
#ask input {
font-size: 20pt;
padding: 10px;
margin: 0 10px;
}
#ask span.join {
padding: 10px;
background-color: #ddd;
-webkit-border-radius: 10px;
}
#channel {
margin-top: 100px;
height: 480px;
position: relative;
}
#channel div#descr {
position: absolute;
left: -10px;
top: -190px;
font-size: 13px;
text-align: left;
line-height: 20px;
padding: 5px;
width: 630px;
}
div#msgs {
overflow-y: scroll;
height: 400px;
}
div#msgs ul {
list-style: none;
padding: 0;
margin: 0;
text-align: left;
}
div#msgs li {
line-height: 20px;
}
div#msgs li span.user {
color: #ff9900;
}
div#msgs li span.user.self {
color: #aa2211;
}
div#msgs li span.time {
float: right;
margin-right: 5px;
color: #aaa;
font-family: "Courier New";
font-size: 12px;
}
div#msgs li.control {
text-align: center;
}
div#msgs li.control span.message {
color: #aaa;
}
div#input {
text-align: left;
margin-top: 20px;
}
div#input #message {
width: 600px;
border: 5px solid #bbb;
-webkit-border-radius: 3px;
font-size: 30pt;
}
</style>
</head>
<body>
<div id="error" class="bordered" style="display: none;">
This browser has no native WebSocket support.<br/>
Use a WebKit nightly or Google Chrome.
</div>
<div id="ask" class="bordered" style="display: none;">
Name: <input type="text" id="name" /> <a href="#"><span class="join">Join!</span></a>
</div>
<div id="channel" class="bordered" style="display: none;">
<div id="descr" class="bordered">
<strong>Tip:</strong> Open up another browser window to chat.
</div>
<div id="msgs">
<ul>
<li class="message" style="display: none">
<span class="user"></span><span class="message"></span>
<span class="time"></span>
</li>
</ul>
</div>
<div id="input">
<form><input type="text" id="message" /></form>
</div>
</div>
</body>
</html>