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<!doctype html>
<html>
<head>
<title>Socket.IO</title>
<style>
* { margin: 0; padding: 0; box-sizing: border-box; }
body { font: 13px Helvetica, Arial; }
.form1 { background: #000; padding: 2px; position: fixed; bottom: 0; width: 100%; }
.form1 input { border: 0; padding: 8px; width: 90%; margin-right: .5%; }
.form1 button { width: 9%; background: rgb(130, 224, 255); border: none; padding: 8px; }
.form2 { background: #000; padding: 2px; position: fixed; bottom: 32px; width: 100%; }
.form2 input { border: 0; padding: 8px; width: 90%; margin-right: .5%; }
.form2 button { width: 9%; background: rgb(130, 224, 255); border: none; padding: 8px; }
.form3 { background: #000; padding: 2px; position: fixed; bottom: 64px; width: 100%; }
.form3 input { border: 0; padding: 8px; width: 90%; margin-right: .5%; }
.form3 button { width: 9%; background: rgb(130, 224, 255); border: none; padding: 8px; }
.username { background: #000; padding: 2px; position: fixed; bottom: 96px; width: 100%; }
.username input { border: 0; padding: 8px; width: 90%; margin-right: .5%; }
.username button { width: 9%; background: rgb(130, 224, 255); border: none; padding: 8px; }
.online { background: #000; padding: 2px; position: fixed; bottom: 128px; width: 100%; }
.online div { border: 0; padding: 8px; width: 90%; margin-right: .5%; background-color: white;}
.sendImageContainer { color: white; background: #000; padding: 2px; position: fixed; bottom: 160px; width: 100%; }
.sendImageContainer input { border: 0; padding: 8px; width: auto; margin-right: .5%; }
.sendImageContainer button { width: 9%; background: rgb(130, 224, 255); border: none; padding: 8px; }
.imgPreview {display: none; height: 38px; margin-bottom: -15px; padding-left: 10px; padding-right: 50px;}
.image-link img {border: 2px solid blue; border-radius: 5px; cursor: pointer;}
.msg1, .chat_message1 {font-size: 10px;}
.msg2, .chat_message2 {font-size: 12px;}
.msg3, .chat_message3 {font-size: 14px;}
.private_message {font-size: 14px; color: purple;}
.private_message_sent {font-size: 14px; color: green;}
.chname, .user {font-size: 13px; color: blue;}
.broadcast, .nxt-broadcast {font-size: 16px; font-weight: bold;}
#messages { list-style-type: none; margin: 0; padding: 0; }
#messages li { padding: 5px 10px; }
#messages li:nth-child(odd) { background: #eee; }
.online div.user-elem {background-color: #6755f7; color: #f3bc42; padding: 3px; cursor: pointer; display: inline; border-radius: 3px;}
</style>
<script type="text/javascript" src="/js/socket.io.dev.js"></script>
<script type="text/javascript" src="/js/jquery-3.3.1.min.js"></script>
<script>
var socket = undefined;
function parseMessage(msg){
var json = JSON.parse(msg);
var toWrite = "";
switch (json.contentType){
case "text/plain":
toWrite = parseTextMessage(json);
break;
case "System":
toWrite = parseSystemMessage(json);
break;
case "user":
toWrite = parseUserMessage(json);
break;
/* add other parse types*/
default:
toWrite = parseTextMessage(json);
break;
}
toWrite.messageType = json.messageType;
return toWrite;
}
function parseImage(msg){
var json = JSON.parse(msg);
return json;
}
function parseTextMessage(json){
var toWrite = {};
toWrite.data = "";
toWrite.data += ":: "+new Date(json.ts) + " - ";
toWrite.data += json.user + ": ";
toWrite.data += json.content;
return toWrite;
}
function parseSystemMessage(json){
var toWrite = {};
toWrite.data = "";
toWrite.data += "!! "+new Date(json.ts) + " - ";
toWrite.data += json.user + ": ";
if (json.content === "connected"){
toWrite.data += " has connected";
}else if (json.content === "disconnected"){
toWrite.data += " left the room!";
}
return toWrite;
}
function parseUserMessage(json){
var toWrite = {};
toWrite.data = "";
if (json.messageType == "invalid change name"){
toWrite.data += "CN: "+new Date(json.ts) + " - ";
toWrite.data += json.user + ": ";
toWrite.data += " tried to changed name to: " + json.content + ". This is invalid (userName already exists or the specified name conatains invalid characters ('/','@',':'))";
}else{
toWrite.data += "CN: "+new Date(json.ts) + " - ";
toWrite.data += json.user + ": ";
toWrite.data += " has changed name to: " + json.content;
}
return toWrite;
}
$(document).on('change','#imageElem' , function(){
var filesSelected = document.getElementById("imageElem").files;
if (filesSelected.length > 0){
var fileToLoad = filesSelected[0];
var fileReader = new FileReader();
fileReader.onload = function(fileLoadedEvent)
{
$(".imgPreview").attr("src", fileLoadedEvent.target.result);
$(".imgPreview").show();
};
fileReader.readAsDataURL(fileToLoad);
}
});
$(function () {
socket = io();
$('.form1').submit(function(e){
e.preventDefault();
if ($('#m1').val().trim() !== ""){
var msg = $('#m1').val();
var json = {
content: msg,
contentType: "text/plain",
messageType: 'chat message1',
ts: new Date().getTime(),
user: "self"
}
socket.emit('chat message1', JSON.stringify(json));
$('#m1').val('');
}
if (json.content.indexOf("/@") == 0 && json.content.indexOf(":")>-1) {
var privateMess = json.content.substring(json.content.indexOf(":")+1);
var privateDest = json.content.substring(2, json.content.indexOf(":"));
$('#messages').append($('<li class="private_message_sent"></li>').text("Private message to " + privateDest + ":" + privateMess));
}
return false;
});
$('.form2').submit(function(e){
e.preventDefault();
if ($('#m2').val().trim() !== ""){
var msg = $('#m2').val();
var json = {
content: msg,
contentType: "text/plain",
messageType: 'chat message2',
ts: new Date().getTime(),
user: "self"
}
socket.emit('chat message2', JSON.stringify(json));
$('#m2').val('');
}
if (json.content.indexOf("/@") == 0 && json.content.indexOf(":")>-1) {
var privateMess = json.content.substring(json.content.indexOf(":")+1);
var privateDest = json.content.substring(2, json.content.indexOf(":"));
$('#messages').append($('<li class="private_message_sent"></li>').text("Private message to " + privateDest + ":" + privateMess));
}
return false;
});
$('.form3').submit(function(e){
e.preventDefault();
if ($('#m3').val().trim() !== ""){
var msg = $('#m3').val();
var json = {
content: msg,
contentType: "text/plain",
messageType: 'chat message3',
ts: new Date().getTime(),
user: "self"
}
socket.emit('chat message3', JSON.stringify(json));
$('#m3').val('');
}
if (json.content.indexOf("/@") == 0 && json.content.indexOf(":")>-1) {
var privateMess = json.content.substring(json.content.indexOf(":")+1);
var privateDest = json.content.substring(2, json.content.indexOf(":"));
$('#messages').append($('<li class="private_message_sent"></li>').text("Private message to " + privateDest + ":" + privateMess));
}
return false;
});
$('.username').submit(function(e){
e.preventDefault();
if ($('#un').val().trim() !== ""){
var json = {
content: $('#un').val(),
contentType: "user",
messageType: 'change name',
ts: new Date().getTime(),
user: "self"
}
socket.emit('change name', JSON.stringify(json));
$('#un').val('');
}
return false;
});
$(".sendImageContainer").submit(function(e){
e.preventDefault();
var data = $(".imgPreview").attr("src");
if (data != undefined && data != ""){
var json = {
content: data,
contentType: "image",
messageType: 'image-base64',
ts: new Date().getTime(),
user: "self"
}
socket.emit('image-base64', JSON.stringify(json));
$('#imageElem').val('');
$(".imgPreview").attr("src", "");
$(".imgPreview").hide();
}
return false;
});
socket.on('chat message1', function(msg){
var toWrite = parseMessage(msg);
$('#messages').append($('<li class="'+toWrite.messageType.replace(/ /g, "_")+'">').text(toWrite.data));
});
socket.on('chat message2', function(msg){
var toWrite = parseMessage(msg);
$('#messages').append($('<li class="'+toWrite.messageType.replace(/ /g, "_")+'">').text(toWrite.data));
});
socket.on('chat message3', function(msg){
var toWrite = parseMessage(msg);
$('#messages').append($('<li class="'+toWrite.messageType.replace(/ /g, "_")+'">').text(toWrite.data));
});
socket.on('private message', function(msg){
var toWrite = parseMessage(msg);
$('#messages').append($('<li class="'+toWrite.messageType.replace(/ /g, "_")+'">').text(toWrite.data));
});
socket.on('change name', function(msg){
var toWrite = parseMessage(msg);
$('#messages').append($('<li class="'+toWrite.messageType.replace(/ /g, "_")+'">').text(toWrite.data));
});
socket.on('invalid change name', function(msg){
var toWrite = parseMessage(msg);
$('#messages').append($('<li class="'+toWrite.messageType.replace(/ /g, "_")+'">').text(toWrite.data));
});
socket.on('nxt-broadcast', function(msg){
var toWrite = parseMessage(msg);
$('#messages').append($('<li class="'+toWrite.messageType.replace(/ /g, "_")+'">').text(toWrite.data));
});
socket.on("nxt-online-users", function(msg){
var users = JSON.parse(msg);
$("#online-users").empty();
for (elem in users){
var item = $("<div class='user-elem' nxt-userid='"+users[elem].user+"' nxt-username='"+users[elem].name+"'> "+users[elem].user + " " + users[elem].name +" </div>");
item.click(function(){
var value = "/@"+$(this).attr("nxt-username") + ": ";
$('#m3, #m2, #m1').val(value);
});
$("#online-users").append(item);
}
});
socket.on("image-link", function(msg){
var toWrite = parseImage(msg);
var container = $('<li full-source="'+toWrite.contentFull+'" class="'+toWrite.messageType.replace(/ /g, "_")+'">');
$('#messages').append(container);
container.append($("<p>"+toWrite.user+":</p>"));
var image = $("<img src='"+toWrite.content+"'/>");
container.append(image);
image.click(function(){
window.open($(this).parent().attr("full-source"));
})
});
});
</script>
</head>
<body>
<ul id="messages"></ul>
<form class="form1" action="">
<input id="m1" autocomplete="off" /><button>Send 1</button>
</form>
<form class="form2" action="">
<input id="m2" autocomplete="off" /><button>Send 2</button>
</form>
<form class="form3" action="">
<input id="m3" autocomplete="off" /><button>Send 3</button>
</form>
<form class="username" action="">
<input id="un" autocomplete="off" /><button>Change name</button>
</form>
<form class="online" action="">
<div id="online-users"></div>
</form>
<form class="sendImageContainer" action="">
Choose file to upload <input type="file" id="imageElem" name="image" accept="image/png, image/jpeg" /> <img class="imgPreview"></img>
<button>Send Image</button>
</form>
</body>
</html>
|
MOliva
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