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import React from 'react';
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import io from 'socket.io-client';
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export default class App 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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ioState: null,
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socket: io.connect()
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}
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}
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componentDidMount() {
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this.connect();
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}
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componentWillUnmount() {
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this.setState({socket: this.state.socket.removeAllListeners()});
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}
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connect() {
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let socket = this.state.socket;
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socket.on('connect', () => {
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console.log('connected');
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});
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socket.on('ioState', (data) => {
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console.log(data);
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this.setState({ioState: data});
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});
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}
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sendUpdate(type, pin, value) {
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this.state.socket.emit('update', {
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type: type,
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pin: pin,
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value: value,
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});
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}
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render() {
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return (
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<div className="ui text container">
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<div className="ui stackable two column grid">
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<div className="one column row">
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<div className="center aligned column">
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<div className="ui basic segment">
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<img className="ui left floated small image" src="http://criticalcontrol.com/wp-content/themes/cces/images/logo.png" />
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<span className="ui medium header">LED Toggle Demo</span>
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</div>
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</div>
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</div>
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{this.state.ioState && <div className="column">
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<div className="ui segment">
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<div className="ui top attached label">Digital Out</div>
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<div className="ui two column middle aligned grid">
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<div className="twelve wide column">
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<div className="ui right pointing label">
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DO1
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</div>
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<div className="ui buttons">
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<button onClick={() => this.sendUpdate('dout', 0, true)} className="ui red button">On</button>
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<button onClick={() => this.sendUpdate('dout', 0, false)} className="ui button">Off</button>
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</div>
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</div>
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<div className="four wide right aligned column">
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{!this.state.ioState.dout[0] && <i className="bordered inverted disabled idea big icon"></i>}
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{this.state.ioState.dout[0] && <i className="bordered inverted red idea big icon"></i>}
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</div>
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</div>
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</div>
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</div>}
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</div>
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</div>
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);
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}
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}
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