表格 Table

import * as React from "react"
import { cva } from "class-variance-authority"

import { cn } from "@/lib/utils"

const tableVariants = cva("w-full caption-bottom text-sm", {
  variants: {
    density: {
      default: "",
      compact:
        "[&_[data-slot=table-cell]]:px-3 [&_[data-slot=table-cell]]:py-2 [&_[data-slot=table-head]]:h-9 [&_[data-slot=table-head]]:px-3",
    },
    striped: {
      true: "[&_[data-slot=table-body]_[data-slot=table-row]:nth-child(even)]:bg-muted/35",
      false: "",
    },
  },
  defaultVariants: {
    density: "default",
    striped: false,
  },
})

export interface TableProps
  extends React.ComponentProps<"table"> {
  /** Extra classes applied to the horizontal overflow container. */
  containerClassName?: string
  /** Controls cell padding and row height. @default "default" */
  density?: "default" | "compact"
  /** Adds a subtle background to alternating body rows. @default false */
  striped?: boolean
  /** Keeps the header visible while the table container scrolls. @default false */
  stickyHeader?: boolean
}

/** A responsive native table with composable semantic sections. */
function Table({
  className,
  containerClassName,
  density = "default",
  striped = false,
  stickyHeader = false,
  ...props
}: TableProps) {
  return (
    <div
      data-slot="table-container"
      className={cn(
        "relative isolate w-full overflow-auto overscroll-contain",
        containerClassName
      )}
    >
      <table
        data-slot="table"
        data-density={density}
        className={cn(
          tableVariants({ density, striped }),
          stickyHeader &&
            "[&_[data-slot=table-header]]:sticky [&_[data-slot=table-header]]:top-0 [&_[data-slot=table-header]]:z-20 [&_[data-slot=table-header]]:bg-background",
          className
        )}
        {...props}
      />
    </div>
  )
}

function TableHeader({
  className,
  ...props
}: React.ComponentProps<"thead">) {
  return (
    <thead
      data-slot="table-header"
      className={cn("[&_tr]:border-b", className)}
      {...props}
    />
  )
}

function TableBody({
  className,
  ...props
}: React.ComponentProps<"tbody">) {
  return (
    <tbody
      data-slot="table-body"
      className={cn("[&_tr:last-child]:border-0", className)}
      {...props}
    />
  )
}

function TableFooter({
  className,
  ...props
}: React.ComponentProps<"tfoot">) {
  return (
    <tfoot
      data-slot="table-footer"
      className={cn(
        "border-t bg-muted/50 font-medium [&>tr]:last:border-b-0",
        className
      )}
      {...props}
    />
  )
}

function TableRow({
  className,
  ...props
}: React.ComponentProps<"tr">) {
  return (
    <tr
      data-slot="table-row"
      className={cn(
        "group/row border-b transition-colors hover:bg-muted/50 data-[dragging=true]:opacity-45 data-[state=selected]:bg-muted",
        className
      )}
      {...props}
    />
  )
}

export interface TableHeadProps extends React.ComponentProps<"th"> {
  /** Pins the column to an edge of the horizontal scroll container. */
  pinned?: "left" | "right"
  /** Distance from the pinned edge, useful when pinning multiple columns. @default 0 */
  pinOffset?: number | string
}

function TableHead({
  className,
  pinned,
  pinOffset = 0,
  style,
  ...props
}: TableHeadProps) {
  return (
    <th
      data-slot="table-head"
      data-pinned={pinned}
      className={cn(
        "h-10 whitespace-nowrap px-4 text-left align-middle font-medium text-muted-foreground [&:has([role=checkbox])]:pr-0",
        pinned &&
          "z-30 bg-background group-hover/row:bg-muted/50 group-data-[state=selected]/row:bg-muted",
        pinned === "left" && "border-r",
        pinned === "right" && "border-l",
        className
      )}
      style={{
        ...style,
        ...(pinned ? { position: "sticky" } : {}),
        ...(pinned === "left"
          ? { left: pinOffset, insetInlineStart: pinOffset }
          : {}),
        ...(pinned === "right"
          ? { right: pinOffset, insetInlineEnd: pinOffset }
          : {}),
      }}
      {...props}
    />
  )
}

export interface TableCellProps extends React.ComponentProps<"td"> {
  /** Pins the column to an edge of the horizontal scroll container. */
  pinned?: "left" | "right"
  /** Distance from the pinned edge, useful when pinning multiple columns. @default 0 */
  pinOffset?: number | string
}

function TableCell({
  className,
  pinned,
  pinOffset = 0,
  style,
  ...props
}: TableCellProps) {
  return (
    <td
      data-slot="table-cell"
      data-pinned={pinned}
      className={cn(
        "whitespace-nowrap p-4 align-middle [&:has([role=checkbox])]:pr-0",
        pinned &&
          "z-10 bg-background group-hover/row:bg-muted/50 group-data-[state=selected]/row:bg-muted",
        pinned === "left" && "border-r",
        pinned === "right" && "border-l",
        className
      )}
      style={{
        ...style,
        ...(pinned ? { position: "sticky" } : {}),
        ...(pinned === "left"
          ? { left: pinOffset, insetInlineStart: pinOffset }
          : {}),
        ...(pinned === "right"
          ? { right: pinOffset, insetInlineEnd: pinOffset }
          : {}),
      }}
      {...props}
    />
  )
}

function TableCaption({
  className,
  ...props
}: React.ComponentProps<"caption">) {
  return (
    <caption
      data-slot="table-caption"
      className={cn("mt-4 text-sm text-muted-foreground", className)}
      {...props}
    />
  )
}

export {
  Table,
  TableHeader,
  TableBody,
  TableFooter,
  TableHead,
  TableRow,
  TableCell,
  TableCaption,
  tableVariants,
}