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import React from 'react'; |
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import io from 'socket.io-client'; |
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const socket = io('http://localhost:3000'); |
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class Chat extends React.Component { |
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constructor(props) { |
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super(props); |
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this.state = { |
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text: "", |
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username: "", |
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messages: [] |
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}; |
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this.handleJoinChat = this.handleJoinChat.bind(this); |
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this.handleChangeUsername = this.handleChangeUsername.bind(this); |
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this.handleChangeText = this.handleChangeText.bind(this); |
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this.handleSubmit = this.handleSubmit.bind(this); |
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this.handleMessageRecived = this.handleMessageRecived.bind(this); |
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this.handleOldMessagesRecived = this.handleOldMessagesRecived.bind(this); |
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} |
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componentDidMount(){ |
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socket.on('connect', function() { |
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console.info("Connected"); |
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}); |
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socket.on('chat message', this.handleMessageRecived); |
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socket.on('join', this.handleUserJoined); |
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socket.on("all messages", this.handleOldMessagesRecived); |
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socket.on('disconnect', function() { |
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this.setState({username: ""}); |
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}); |
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} |
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handleOldMessagesRecived(messages){ |
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this.setState({messages:messages}); |
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} |
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handleMessageRecived(message) { |
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var messages = this.state.messages; |
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messages.push(message); |
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this.setState({messages:messages}); |
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} |
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handleJoinChat(event) { |
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event.preventDefault(); |
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var date = new Date(); |
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socket.emit('join', |
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{ |
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username: "", |
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text: this.state.username + " joined the chat", |
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time: date.getHours() + " : " + date.getMinutes() + " : " + date.getSeconds(), |
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id: socket.id |
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}); |
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} |
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getAllMessages(){ |
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} |
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handleChangeUsername(event) { |
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this.setState({username: event.target.value}); |
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} |
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handleSubmit(event) { |
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event.preventDefault(); |
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var date = new Date(); |
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if(this.state.username === ""){ |
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return; |
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} |
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socket.emit('chat message', |
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{ |
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username: this.state.username, |
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text: this.state.text, |
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time: date.getHours() + " : " + date.getMinutes() + " : " + date.getSeconds() |
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}); |
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} |
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handleChangeText(event) { |
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this.setState({text: event.target.value}); |
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} |
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render() { |
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return <div className="chat-container"> |
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<h4>Chat</h4> |
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<form onSubmit={this.handleJoinChat} className="message-form"> |
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<label>Username</label> |
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<input type="text" className="message-form-username" onChange={this.handleChangeUsername}/> |
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<input type="submit" value="Join chat" className="join-chat-btn"/> |
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</form> |
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<div className="all-messages"> |
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{this.state.messages.map((msg, index) => ( |
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<div key={index} className="message"> |
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<p className="all-messages-username"> {msg.username} | {msg.time} </p> |
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<p className="all-messages-text"> {msg.text}</p> |
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</div> |
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))} |
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</div> |
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<form onSubmit={this.handleSubmit} className="message-form"> |
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<label>Message</label> |
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<input type="text" className="message-form-text" onChange={this.handleChangeText}/> |
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<input type="submit" value="Skicka" /> |
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</form> |
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</div> |
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} |
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} |
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export default Chat; |
JohanLe /
me-app
