114 lines
3.8 KiB
JavaScript
114 lines
3.8 KiB
JavaScript
import EmbarkJS from 'Embark/EmbarkJS';
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import React from 'react';
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import { Alert, Form, FormGroup, FormControl, HelpBlock, Button } from 'react-bootstrap';
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class Whisper extends React.Component {
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constructor(props) {
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super(props);
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this.sendMessage = this.sendMessage.bind(this);
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this.listenToChannel = this.listenToChannel.bind(this);
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this.state = {
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listenTo: '',
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channel: '',
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message: '',
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subscribedChannels: [],
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messageList: [],
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logs: []
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}
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}
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handleChange(e, name){
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this.state[name] = e.target.value;
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this.setState(this.state);
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}
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sendMessage(e){
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e.preventDefault();
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EmbarkJS.Messages.sendMessage({topic: this.state.channel, data: this.state.message});
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this._addToLog("EmbarkJS.Messages.sendMessage({topic: '" + this.state.channel + "', data: '" + this.state.message + "'})");
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}
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listenToChannel(e){
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e.preventDefault();
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let listenTo = this.state.listenTo;
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this.state.subscribedChannels.push(`subscribed to ${listenTo} now try sending a message`);
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EmbarkJS.Messages.listenTo({topic: [listenTo]})
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.then(message => this.state.messageList.push(`channel: ${listenTo} message: ${message}`))
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this._addToLog("EmbarkJS.Messages.listenTo({topic: ['" + this.state.channel + "']}).then(function(message) {})");
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}
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_addToLog(txt){
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this.state.logs.push(txt);
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this.setState({logs: this.state.logs});
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}
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render(){
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return (
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<React.Fragment>
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{
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!this.state.enabled ?
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<React.Fragment>
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<Alert bsStyle="warning">The node you are using does not support Whisper</Alert>
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<Alert bsStyle="warning">The node uses an unsupported version of Whisper</Alert>
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</React.Fragment> : ''
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}
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<h3>Listen To channel</h3>
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<Form inline>
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<FormGroup>
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<FormControl
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type="text"
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defaultValue={this.state.listenTo}
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placeholder="channel"
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onChange={e => this.handleChange(e, 'listenTo')} />
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{' '}
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<Button bsStyle="primary" onClick={this.listenToChannel}>Start Listening</Button>
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<div id="subscribeList">
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{ this.state.subscribedChannels.map((item, i) => <p key={i}>{item}</p>) }
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</div>
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<p>messages received:</p>
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<div id="messagesList">
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{ this.state.messageList.map((item, i) => <p key={i}>{item}</p>) }
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</div>
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</FormGroup>
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</Form>
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<h3>Send Message</h3>
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<Form inline>
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<FormGroup>
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<FormControl
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type="text"
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defaultValue={this.state.channel}
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placeholder="channel"
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onChange={e => this.handleChange(e, 'channel')} />
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{' '}
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<FormControl
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type="text"
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defaultValue={this.state.message}
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placeholder="message"
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onChange={e => this.handleChange(e, 'message')} />
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{' '}
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<Button bsStyle="primary" onClick={this.sendMessage}>Send Message</Button>
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</FormGroup>
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</Form>
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<p>Javascript calls being made: </p>
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<div className="logs">
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<p>EmbarkJS.Messages.setProvider('whisper')</p>
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{
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this.state.logs.map((item, i) => <p key={i}>{item}</p>)
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}
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</div>
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</React.Fragment>
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);
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}
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}
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export default Whisper;
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