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index.html
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index.html
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<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<meta http-equiv="X-UA-Compatible" content="ie=edge">
<link rel="stylesheet" href="https://maxcdn.bootstrapcdn.com/bootstrap/4.0.0-alpha.6/css/bootstrap.min.css" integrity="sha384-rwoIResjU2yc3z8GV/NPeZWAv56rSmLldC3R/AZzGRnGxQQKnKkoFVhFQhNUwEyJ" crossorigin="anonymous">
<title>MongoChat</title>
<style>
#messages{height:300px;}
</style>
</head>
<body>
<div class="container">
<div class="row">
<div class="col-md-6 offset-md-3 col-sm-12">
<h1 class="text-center">
MongoChat
<button id="clear" class="btn btn-danger">Clear</button>
</h1>
<div id="status"></div>
<div id="chat">
<input type="text" id="username" class="form-control" placeholder="Enter name...">
<br>
<div class="card">
<div id="messages" class="card-block">
</div>
</div>
<br>
<textarea id="textarea" class="form-control" placeholder="Enter message..."></textarea>
</div>
</div>
</div>
</div>
<script src="https://cdnjs.cloudflare.com/ajax/libs/socket.io/2.0.3/socket.io.js"></script>
<script>
(function(){
var element = function(id){
return document.getElementById(id);
}
// Get Elements
var status = element('status');
var messages = element('messages');
var textarea = element('textarea');
var username = element('username');
var clearBtn = element('clear');
// Set default status
var statusDefault = status.textContent;
var setStatus = function(s){
// Set status
status.textContent = s;
if(s !== statusDefault){
var delay = setTimeout(function(){
setStatus(statusDefault);
}, 4000);
}
}
// Connect to socket.io
//var socket = io.connect('http://127.0.0.1:4000');
var socket = io.connect('http://192.168.1.108:4000');
// Check for connection
if(socket !== undefined){
console.log('Connected to socket...');
// Handle Output
socket.on('output', function(data){
//console.log(data);
if(data.length){
for(var x = 0;x < data.length;x++){
// Build out message div
var message = document.createElement('div');
message.setAttribute('class', 'chat-message');
message.textContent = data[x].name+": "+data[x].message;
messages.appendChild(message);
messages.insertBefore(message, messages.firstChild);
}
}
});
// Get Status From Server
socket.on('status', function(data){
// get message status
setStatus((typeof data === 'object')? data.message : data);
// If status is clear, clear text
if(data.clear){
textarea.value = '';
}
});
// Handle Input
textarea.addEventListener('keydown', function(event){
if(event.which === 13 && event.shiftKey == false){
// Emit to server input
socket.emit('input', {
name:username.value,
message:textarea.value
});
event.preventDefault();
}
})
// Handle Chat Clear
clearBtn.addEventListener('click', function(){
socket.emit('clear');
});
// Clear Message
socket.on('cleared', function(){
messages.textContent = '';
});
}
})();
</script>
</body>
</html>