copied lab7

labs/lab8/src/chart/Chart.tsx

@@ -0,0 +1,51 @@
+import Navbar from "../components/Navbar";
+import CustomFooter from "../components/CustomFooter";
+import Select from '@mui/material/Select';
+import type { SelectChangeEvent } from '@mui/material/Select';
+import Box from '@mui/material/Box';
+import InputLabel from '@mui/material/InputLabel';
+import MenuItem from '@mui/material/MenuItem';
+import FormControl from '@mui/material/FormControl';
+import * as React from 'react';
+import {years, countries, types } from "./groupdata";
+import GroupGrid from "./components/GroupGrid";
+import GroupChart from "./components/GroupChart";
+
+type tSelect = "Страна" | "Год" | "Тип";
+
+function Chart() {
+  const [group, setGroup] = React.useState<tSelect>("Страна");
+  const [groupData, setGroupData] = React.useState(countries);
+
+
+  const handleChange = (event: SelectChangeEvent) => {
+    setGroup(event.target.value as tSelect);
+    setGroupData([countries, years, types][["Страна", "Год", "Тип"].indexOf(event.target.value)]);
+  }
+
+  return (
+    <>
+      <Navbar active="3" />
+      <Box sx={{ width: "200px", m: "auto" }}>
+        <FormControl fullWidth>
+          <InputLabel> Группировать по </InputLabel>
+          <Select
+            id="select-group"
+            value={group}
+            label="Группировать по"
+            onChange={handleChange}
+          >
+            <MenuItem value="Страна"> Стране </MenuItem>
+            <MenuItem value="Год"> Году </MenuItem>
+            <MenuItem value="Тип"> Типу </MenuItem>
+          </Select>
+        </FormControl>
+      </Box>
+      <GroupChart data={groupData} />
+      <GroupGrid data={groupData} />
+      <CustomFooter />
+    </>
+  );
+}
+
+export default Chart;