【NextJs14】NextJs14 と 便利なライブラリ【#１９Shadcn-ui DataTable Pagination 】

【#１９Shadcn-ui DataTable Row Actions 】

YouTube: https://youtu.be/V53sZApqNeg

https://youtu.be/V53sZApqNeg

今回はテーブルにページネーションを追加します。

https://ui.shadcn.com/docs/components/data-table#pagination

npx shadcn-ui@latest add select

app/(main)/data/_components/user-data-table-pagination.tsx

import {
  ChevronLeftIcon,
  ChevronRightIcon,
  ArrowLeftIcon,
  ArrowRightIcon,
} from "lucide-react";
import { Table } from "@tanstack/react-table";

import { Button } from "@/components/ui/button";
import {
  Select,
  SelectContent,
  SelectItem,
  SelectTrigger,
  SelectValue,
} from "@/components/ui/select";

interface UsersDataTablePaginationProps<TData> {
  table: Table<TData>;
}

export function UsersDataTablePagination<TData>({
  table,
}: UsersDataTablePaginationProps<TData>) {
  return (
    <div className="flex items-center justify-between px-2">
      <div className="flex-1 text-sm text-muted-foreground">
        {table.getFilteredSelectedRowModel().rows.length} of{" "}
        {table.getFilteredRowModel().rows.length} row(s) selected.
      </div>
      <div className="flex items-center space-x-6 lg:space-x-8">
        <div className="flex items-center space-x-2">
          <p className="text-sm font-medium">Rows per page</p>
          <Select
            value={`${table.getState().pagination.pageSize}`}
            onValueChange={(value) => {
              table.setPageSize(Number(value));
            }}
          >
            <SelectTrigger className="h-8 w-[70px]">
              <SelectValue placeholder={table.getState().pagination.pageSize} />
            </SelectTrigger>
            <SelectContent side="top">
              {[1, 3, 5, 10, 20].map((pageSize) => (
                <SelectItem key={pageSize} value={`${pageSize}`}>
                  {pageSize}
                </SelectItem>
              ))}
            </SelectContent>
          </Select>
        </div>
        <div className="flex w-[100px] items-center justify-center text-sm font-medium">
          Page {table.getState().pagination.pageIndex + 1} of{" "}
          {table.getPageCount()}
        </div>
        <div className="flex items-center space-x-2">
          <Button
            variant="outline"
            className="hidden h-8 w-8 p-0 lg:flex"
            onClick={() => table.setPageIndex(0)}
            disabled={!table.getCanPreviousPage()}
          >
            <span className="sr-only">Go to first page</span>
            <ArrowLeftIcon className="h-4 w-4" />
          </Button>
          <Button
            variant="outline"
            className="h-8 w-8 p-0"
            onClick={() => table.previousPage()}
            disabled={!table.getCanPreviousPage()}
          >
            <span className="sr-only">Go to previous page</span>
            <ChevronLeftIcon className="h-4 w-4" />
          </Button>
          <Button
            variant="outline"
            className="h-8 w-8 p-0"
            onClick={() => table.nextPage()}
            disabled={!table.getCanNextPage()}
          >
            <span className="sr-only">Go to next page</span>
            <ChevronRightIcon className="h-4 w-4" />
          </Button>
          <Button
            variant="outline"
            className="hidden h-8 w-8 p-0 lg:flex"
            onClick={() => table.setPageIndex(table.getPageCount() - 1)}
            disabled={!table.getCanNextPage()}
          >
            <span className="sr-only">Go to last page</span>
            <ArrowRightIcon className="h-4 w-4" />
          </Button>
        </div>
      </div>
    </div>
  );
}

上記コンポーネントを以下に追加します。

app/(main)/data/_components/user-data-table.tsx

"use client";

import { Button } from "@/components/ui/button";

import {
  ColumnDef,
  flexRender,
  getCoreRowModel,
  getPaginationRowModel,
  useReactTable,
} from "@tanstack/react-table";

import {
  Table,
  TableBody,
  TableCell,
  TableHead,
  TableHeader,
  TableRow,
} from "@/components/ui/table";
import { UsersDataTablePagination } from "./users-data-table-pagination";

interface DataTableProps<TData, TValue> {
  columns: ColumnDef<TData, TValue>[];
  data: TData[];
}

export function UsersDataTable<TData, TValue>({
  columns,
  data,
}: DataTableProps<TData, TValue>) {
  const table = useReactTable({
    data,
    columns,
    getCoreRowModel: getCoreRowModel(),
    getPaginationRowModel: getPaginationRowModel(),
  });

  return (
    <div>
      <div className="rounded-md border">
        <Table>
          <TableHeader>
            {table.getHeaderGroups().map((headerGroup) => (
              <TableRow key={headerGroup.id}>
                {headerGroup.headers.map((header) => {
                  return (
                    <TableHead key={header.id}>
                      {header.isPlaceholder
                        ? null
                        : flexRender(
                            header.column.columnDef.header,
                            header.getContext()
                          )}
                    </TableHead>
                  );
                })}
              </TableRow>
            ))}
          </TableHeader>
          <TableBody>
            {table.getRowModel().rows?.length ? (
              table.getRowModel().rows.map((row) => (
                <TableRow
                  key={row.id}
                  data-state={row.getIsSelected() && "selected"}
                >
                  {row.getVisibleCells().map((cell) => (
                    <TableCell key={cell.id}>
                      {flexRender(
                        cell.column.columnDef.cell,
                        cell.getContext()
                      )}
                    </TableCell>
                  ))}
                </TableRow>
              ))
            ) : (
              <TableRow>
                <TableCell
                  colSpan={columns.length}
                  className="h-24 text-center"
                >
                  No results.
                </TableCell>
              </TableRow>
            )}
          </TableBody>
        </Table>
      </div>
      <div className="flex items-center justify-end space-x-2 py-4">
        <Button
          variant="outline"
          size="sm"
          onClick={() => table.previousPage()}
          disabled={!table.getCanPreviousPage()}
        >
          Previous
        </Button>
        <Button
          variant="outline"
          size="sm"
          onClick={() => table.nextPage()}
          disabled={!table.getCanNextPage()}
        >
          Next
        </Button>
      </div>
      <UsersDataTablePagination table={table} />
    </div>
  );
}