mirror of https://github.com/embarklabs/embark.git
114 lines
3.6 KiB
JavaScript
114 lines
3.6 KiB
JavaScript
import React from 'react';
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import ReactDOM from 'react-dom';
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import {TabContent, TabPane, Nav, NavItem, NavLink} from 'reactstrap';
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import classnames from 'classnames';
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import EmbarkJS from 'Embark/EmbarkJS';
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import Blockchain from './components/blockchain';
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import Whisper from './components/whisper';
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import Storage from './components/storage';
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import ENS from './components/ens';
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import 'bootstrap/dist/css/bootstrap.css';
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import './dapp.css';
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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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error: null,
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activeKey: '1',
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whisperEnabled: false,
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storageEnabled: false,
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blockchainEnabled: false
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};
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}
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componentDidMount() {
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EmbarkJS.onReady((err) => {
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this.setState({blockchainEnabled: true});
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if (err) {
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// If err is not null then it means something went wrong connecting to ethereum
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// you can use this to ask the user to enable metamask for e.g
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return this.setState({error: err.message || err});
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}
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EmbarkJS.Messages.isAvailable().then(result => {
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this.setState({whisperEnabled: result});
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});
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EmbarkJS.Storage.isAvailable().then((result) => {
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this.setState({storageEnabled: result});
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}).catch(() => {
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this.setState({storageEnabled: false});
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});
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});
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}
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_renderStatus(title, available) {
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let className = available ? 'pull-right status-online' : 'pull-right status-offline';
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return <React.Fragment>
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{title}
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<span className={className}/>
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</React.Fragment>;
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}
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handleSelect(key) {
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this.setState({activeKey: key});
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}
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render() {
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const ensEnabled = EmbarkJS.Names.currentNameSystems && EmbarkJS.Names.isAvailable();
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if (this.state.error) {
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return (<div>
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<div>Something went wrong connecting to ethereum. Please make sure you have a node running or are using metamask
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to connect to the ethereum network:
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</div>
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<div>{this.state.error}</div>
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</div>);
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}
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return (<div>
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<h3>Embark - Usage Example</h3>
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<Nav tabs>
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<NavItem>
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<NavLink onClick={() => this.handleSelect('1')} className={classnames({ active: this.state.activeKey === '1' })}>
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{this._renderStatus('Blockchain', this.state.blockchainEnabled)}
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</NavLink>
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</NavItem>
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<NavItem>
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<NavLink onClick={() => this.handleSelect('2')} className={classnames({ active: this.state.activeKey === '2' })}>
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{this._renderStatus('Decentralized Storage', this.state.storageEnabled)}
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</NavLink>
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</NavItem>
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<NavItem>
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<NavLink onClick={() => this.handleSelect('3')} className={classnames({ active: this.state.activeKey === '3' })}>
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{this._renderStatus('P2P communication (Whisper)', this.state.whisperEnabled)}
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</NavLink>
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</NavItem>
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<NavItem>
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<NavLink onClick={() => this.handleSelect('4')} className={classnames({ active: this.state.activeKey === '4' })}>
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{this._renderStatus('Naming (ENS)', ensEnabled)}
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</NavLink>
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</NavItem>
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</Nav>
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<TabContent activeTab={this.state.activeKey}>
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<TabPane tabId="1">
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<Blockchain/>
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</TabPane>
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<TabPane tabId="2">
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<Storage enabled={this.state.storageEnabled}/>
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</TabPane>
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<TabPane tabId="3">
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<Whisper enabled={this.state.whisperEnabled}/>
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</TabPane>
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<TabPane tabId="4">
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<ENS enabled={ensEnabled}/>
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</TabPane>
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</TabContent>
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</div>);
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}
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}
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ReactDOM.render(<App/>, document.getElementById('app'));
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