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chat.html
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chat.html
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<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<meta http-equiv="X-UA-Compatible" content="IE=edge">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<title>Chating page</title>
</head>
<body>
<div id="logIn">
<input type="text" id="userName" placeholder="user name">
<button onclick="logIn()">log in</button>
</div>
<div id="chatOptions">
<input type="text" id="roomId" placeholder="your room id">
<button onclick="joinRoom()">Join Room</button>
<button onclick="createRoom()">Creat Room</button>
</div>
<div id="chatConversation">
<h1 id="title">Room ID</h1>
<h3 id="typingState">Typing status</h3>
<div id="conv" style="position: fixed; bottom: 50px; top: 120px; left: 10px; right: 10px; overflow-y: scroll;">
</div>
<div style="position: fixed; bottom: 15px;">
<input type="text" id="msgText" placeholder="your text msg" onkeydown="onTyping()">
<button onclick="sendMsg()">send</button>
</div>
</div>
<script>
// creating websocket
// const ws = new WebSocket("wss://idroomschatapp.herokuapp.com");
const ws = new WebSocket("ws://localhost:3000");
let roomid = "";
let from = "";
let rtname = "";
function onTyping() {
let msg = `{"func" : "typing", "username" : "${rtname}", "roomid" : "${roomid}"}`;
ws.send(msg);
// console.log(document.getElementById("msgText").value);
// document.getElementById("typingState").innerHTML = "typeing";
}
async function clearState () {
document.getElementById("typingState").innerHTML = "no one typeing";
setTimeout(() => clearState(), 6000);
}
setTimeout(() => clearState(), 6000);
function adjustHeight() {
const objDiv = document.getElementById("conv");
objDiv.scrollTop = objDiv.scrollHeight;
}
function logIn() {
let username = userName.value;
from = username;
let msg = `{"func" : "login", "username" : "${username}"}`;
ws.send(msg);
}
function createRoom() {
let msg = `{"func" : "createroom"}`;
ws.send(msg);
}
function joinRoom() {
let msg = `{"func" : "joinroom", "roomid" : "${roomId.value}"}`;
ws.send(msg);
}
function sendMsg() {
let msg = `{"func" : "sendmsg", "roomid" : "${roomid}", "from" : "${from}", "msg"
: "${msgText.value}"}`;
ws.send(msg);
document.getElementById("msgText").value = "";
}
ws.onmessage = (msg) => {
let msgObj = JSON.parse(msg.data);
if (msgObj.type == "login") {
document.getElementById("logIn").innerHTML = "";
// alert(msgObj.msg);
rtname = msgObj.userName;
}
if (msgObj.type == "roomid") {
roomid = msgObj.roomid;
document.getElementById("chatOptions").innerHTML = "";
document.getElementById("title").innerHTML = roomid;
}
if (msgObj.type == "join") {
roomid = document.getElementById("roomId").value;
document.getElementById("chatOptions").innerHTML = "";
document.getElementById("title").innerHTML = roomid;
}
if (msgObj.type == "msg") {
let text = document.createTextNode(`${msgObj.from} : ${msgObj.msg}`);
let paragraph = document.createElement("p");
paragraph.appendChild(text);
document.getElementById("conv").appendChild(paragraph);
adjustHeight();
}
if (msgObj.type == "typing") {
document.getElementById("typingState").innerHTML = `${msgObj.username} is typeing ...`;
}
if (msgObj.type == "error") {
alert(msgObj.msg);
}
};
document.getElementById("msgText").addEventListener("keyup", (event) => {
if (event.key === "Enter") {
sendMsg();
}
});
</script>
</body>
</html>