feat:重构UI
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199
apps/web/components/LanguageSelect.tsx
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199
apps/web/components/LanguageSelect.tsx
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'use client'
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import { useEffect, useMemo, useRef, useState } from 'react'
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import { ChevronDown, Search, X } from 'lucide-react'
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import { cn } from '@/lib/utils'
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import { Badge } from '@/components/ui/badge'
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import { Button } from '@/components/ui/button'
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import { Card, CardContent, CardDescription, CardHeader, CardTitle } from '@/components/ui/card'
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import { Input } from '@/components/ui/input'
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import type { LanguageOption } from '@/lib/languages'
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type Props = {
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value: string
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onValueChange: (value: string) => void
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options: LanguageOption[]
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commonOptions?: LanguageOption[]
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placeholder?: string
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searchPlaceholder?: string
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disabled?: boolean
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allowAuto?: boolean
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autoOption?: LanguageOption
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triggerClassName?: string
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}
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export default function LanguageSelect({
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value,
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onValueChange,
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options,
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commonOptions,
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placeholder = '选择语言',
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searchPlaceholder = '搜索语言（名称 / 代码）',
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disabled,
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allowAuto,
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autoOption,
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triggerClassName,
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}: Props) {
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const [open, setOpen] = useState(false)
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const [query, setQuery] = useState('')
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const inputRef = useRef<HTMLInputElement | null>(null)
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const allOptions = useMemo(() => {
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const list = [...options]
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if (allowAuto && autoOption) {
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return [autoOption, ...list]
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}
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return list
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}, [allowAuto, autoOption, options])
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const selected = useMemo(() => {
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return allOptions.find((o) => o.code === value) || null
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}, [allOptions, value])
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const filtered = useMemo(() => {
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const q = query.trim().toLowerCase()
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if (!q) return allOptions
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return allOptions.filter((o) => (o.search || `${o.name} ${o.code}`).toLowerCase().includes(q))
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}, [allOptions, query])
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useEffect(() => {
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if (!open) return
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setQuery('')
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const id = window.setTimeout(() => inputRef.current?.focus(), 0)
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return () => window.clearTimeout(id)
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}, [open])
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useEffect(() => {
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if (!open) return
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const onKeyDown = (e: KeyboardEvent) => {
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if (e.key === 'Escape') setOpen(false)
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}
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window.addEventListener('keydown', onKeyDown)
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return () => window.removeEventListener('keydown', onKeyDown)
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}, [open])
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const handleSelect = (code: string) => {
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onValueChange(code)
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setOpen(false)
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}
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return (
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<>
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<button
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type="button"
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disabled={disabled}
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onClick={() => setOpen(true)}
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className={cn(
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'flex h-10 w-full items-center justify-between rounded-md border border-input bg-background px-3 py-2 text-sm ring-offset-background transition-colors',
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'focus-visible:outline-none focus-visible:ring-2 focus-visible:ring-ring focus-visible:ring-offset-2',
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'disabled:cursor-not-allowed disabled:opacity-50',
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triggerClassName
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)}
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>
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<span className={cn('line-clamp-1', selected ? 'text-foreground' : 'text-muted-foreground')}>
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{selected?.name || placeholder}
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</span>
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<ChevronDown className="h-4 w-4 opacity-50" />
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</button>
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{open && (
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<div
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className="fixed inset-0 z-50 flex items-center justify-center bg-background/80 backdrop-blur-sm p-4"
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onMouseDown={(e) => {
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if (e.target === e.currentTarget) setOpen(false)
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}}
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>
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<Card className="w-full max-w-3xl border-muted shadow-lg">
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<CardHeader className="space-y-3">
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<div className="flex items-start justify-between gap-4">
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<div>
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<CardTitle>选择语言</CardTitle>
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<CardDescription>支持 200+ 语言，支持搜索</CardDescription>
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</div>
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<Button variant="ghost" size="icon" onClick={() => setOpen(false)}>
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<X className="h-4 w-4" />
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</Button>
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</div>
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<div className="flex items-center gap-2">
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<div className="relative flex-1">
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<Search className="absolute left-3 top-1/2 -translate-y-1/2 h-4 w-4 text-muted-foreground" />
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<Input
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ref={inputRef}
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value={query}
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onChange={(e) => setQuery(e.target.value)}
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placeholder={searchPlaceholder}
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className="pl-9"
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/>
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</div>
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{query && (
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<Button variant="outline" onClick={() => setQuery('')}>
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清空
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</Button>
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)}
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</div>
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{!query.trim() && commonOptions && commonOptions.length > 0 && (
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<div className="flex flex-wrap gap-2">
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{commonOptions.map((o) => (
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<button
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key={o.code}
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type="button"
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onClick={() => handleSelect(o.code)}
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className={cn(
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'rounded-full border px-3 py-1 text-sm transition-colors',
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o.code === value
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? 'bg-primary text-primary-foreground border-transparent'
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: 'hover:bg-accent hover:text-accent-foreground'
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)}
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>
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{o.name}
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</button>
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))}
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</div>
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)}
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</CardHeader>
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<CardContent>
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<div className="rounded-md border bg-background max-h-[60vh] overflow-y-auto">
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{filtered.length === 0 ? (
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<div className="p-6 text-center text-sm text-muted-foreground">无匹配语言</div>
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) : (
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<div className="divide-y">
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{filtered.map((o) => (
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<button
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key={o.code}
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type="button"
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onClick={() => handleSelect(o.code)}
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className={cn(
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'w-full text-left px-4 py-3 hover:bg-accent transition-colors',
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'flex items-center justify-between gap-4'
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)}
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>
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<div className="min-w-0">
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<div className="font-medium truncate">{o.name}</div>
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<div className="text-xs text-muted-foreground font-mono">{o.code}</div>
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</div>
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<div className="shrink-0">
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{o.code === value ? (
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<Badge variant="success">已选</Badge>
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) : (
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<Badge variant="outline" className="text-muted-foreground">
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选择
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</Badge>
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)}
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</div>
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</button>
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))}
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</div>
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)}
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</div>
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</CardContent>
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</Card>
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</div>
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)}
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</>
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)
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}
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