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// @flow
// Copyright 2017 The go-ethereum Authors
// This file is part of the go-ethereum library.
//
// The go-ethereum library is free software: you can redistribute it and/or modify
// it under the terms of the GNU Lesser General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.
//
// The go-ethereum library is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU Lesser General Public License for more details.
//
// You should have received a copy of the GNU Lesser General Public License
// along with the go-ethereum library. If not, see <http://www.gnu.org/licenses/>.
import React, {Component} from 'react';
import withStyles from 'material-ui/styles/withStyles';
import {MENU} from '../common';
import Logs from './Logs';
import Footer from './Footer';
import type {Content} from '../types/content';
// styles contains the constant styles of the component.
const styles = {
wrapper: {
display: 'flex',
flexDirection: 'column',
width: '100%',
},
content: {
flex: 1,
overflow: 'auto',
},
};
// themeStyles returns the styles generated from the theme for the component.
const themeStyles = theme => ({
content: {
backgroundColor: theme.palette.background.default,
padding: theme.spacing.unit * 3,
},
});
export type Props = {
classes: Object,
active: string,
content: Content,
shouldUpdate: Object,
send: string => void,
};
// Main renders the chosen content.
class Main extends Component<Props> {
constructor(props) {
super(props);
this.container = React.createRef();
this.content = React.createRef();
}
getSnapshotBeforeUpdate() {
if (this.content && typeof this.content.beforeUpdate === 'function') {
return this.content.beforeUpdate();
}
return null;
}
componentDidUpdate(prevProps, prevState, snapshot) {
if (this.content && typeof this.content.didUpdate === 'function') {
this.content.didUpdate(prevProps, prevState, snapshot);
}
}
onScroll = () => {
if (this.content && typeof this.content.onScroll === 'function') {
this.content.onScroll();
}
};
render() {
const {
classes, active, content, shouldUpdate,
} = this.props;
let children = null;
switch (active) {
case MENU.get('home').id:
case MENU.get('chain').id:
case MENU.get('txpool').id:
case MENU.get('network').id:
case MENU.get('system').id:
children = <div>Work in progress.</div>;
break;
case MENU.get('logs').id:
children = (
<Logs
ref={(ref) => { this.content = ref; }}
container={this.container}
send={this.props.send}
content={this.props.content}
shouldUpdate={shouldUpdate}
/>
);
}
return (
<div style={styles.wrapper}>
<div
className={classes.content}
style={styles.content}
ref={(ref) => { this.container = ref; }}
onScroll={this.onScroll}
>
{children}
</div>
<Footer
general={content.general}
system={content.system}
shouldUpdate={shouldUpdate}
/>
</div>
);
}
}
export default withStyles(themeStyles)(Main);
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