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+// 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 PropTypes from 'prop-types';
+import Grid from 'material-ui/Grid';
+import {LineChart, AreaChart, Area, YAxis, CartesianGrid, Line, ResponsiveContainer} from 'recharts';
+import {withTheme} from 'material-ui/styles';
+
+import {isNullOrUndefined, DATA_KEYS} from "./Common.jsx";
+
+// ChartGrid renders a grid container for responsive charts.
+// The children are Recharts components extended with the Material-UI's xs property.
+class ChartGrid extends Component {
+ render() {
+ return (
+ <Grid container spacing={this.props.spacing}>
+ {
+ React.Children.map(this.props.children, child => (
+ <Grid item xs={child.props.xs}>
+ <ResponsiveContainer width="100%" height={child.props.height}>
+ {React.cloneElement(child, {data: child.props.values.map(value => ({value: value}))})}
+ </ResponsiveContainer>
+ </Grid>
+ ))
+ }
+ </Grid>
+ );
+ }
+}
+
+ChartGrid.propTypes = {
+ spacing: PropTypes.number.isRequired,
+};
+
+// Home renders the home component.
+class Home extends Component {
+ shouldComponentUpdate(nextProps) {
+ return !isNullOrUndefined(nextProps.shouldUpdate[DATA_KEYS.memory]) ||
+ !isNullOrUndefined(nextProps.shouldUpdate[DATA_KEYS.traffic]);
+ }
+
+ render() {
+ const {theme} = this.props;
+ const memoryColor = theme.palette.primary[300];
+ const trafficColor = theme.palette.secondary[300];
+
+ return (
+ <ChartGrid spacing={24}>
+ <AreaChart xs={6} height={300} values={this.props.memory}>
+ <YAxis />
+ <Area type="monotone" dataKey="value" stroke={memoryColor} fill={memoryColor} />
+ </AreaChart>
+ <LineChart xs={6} height={300} values={this.props.traffic}>
+ <Line type="monotone" dataKey="value" stroke={trafficColor} dot={false} />
+ </LineChart>
+ <LineChart xs={6} height={300} values={this.props.memory}>
+ <YAxis />
+ <CartesianGrid stroke="#eee" strokeDasharray="5 5" />
+ <Line type="monotone" dataKey="value" stroke={memoryColor} dot={false} />
+ </LineChart>
+ <AreaChart xs={6} height={300} values={this.props.traffic}>
+ <CartesianGrid stroke="#eee" strokeDasharray="5 5" vertical={false} />
+ <Area type="monotone" dataKey="value" stroke={trafficColor} fill={trafficColor} />
+ </AreaChart>
+ </ChartGrid>
+ );
+ }
+}
+
+Home.propTypes = {
+ theme: PropTypes.object.isRequired,
+ shouldUpdate: PropTypes.object.isRequired,
+};
+
+export default withTheme()(Home);