import Paper from "@material-ui/core/Paper"; import Box from "@material-ui/core/Box"; import Tabs from "@material-ui/core/Tabs"; import Tab from "@material-ui/core/Tab"; import React from "react"; import TradingVolumeBar from "./TradingVolumeBar"; import {makeStyles} from "@material-ui/core/styles"; import Grid from "@material-ui/core/Grid"; const useStyles = makeStyles((theme) => ({ tradingVolumeBarBox: { height: 400, }, })); export default function TradingVolumePanel() { const [period, setPeriod] = React.useState("day"); const [segment, setSegment] = React.useState("exchange"); const classes = useStyles(); const handlePeriodChange = (event, newValue) => { setPeriod(newValue); }; const handleSegmentChange = (event, newValue) => { setSegment(newValue); }; return ; }