118 lines
4.1 KiB
TypeScript
118 lines
4.1 KiB
TypeScript
'use client'
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import Image from 'next/image'
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import { PREVIEW_OPTIONAL_TYPES } from './upload-constants'
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interface PreviewImageUploadProps {
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materialType: string
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previewImages: File[]
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previewUrls: string[]
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isPreviewDragging: boolean
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previewInputRef: React.RefObject<HTMLInputElement>
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previewDropZoneRef: React.RefObject<HTMLDivElement>
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disabled?: boolean
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onPreviewChange: (e: React.ChangeEvent<HTMLInputElement>) => void
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onPreviewDragEnter: (e: React.DragEvent) => void
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onPreviewDragLeave: (e: React.DragEvent) => void
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onPreviewDragOver: (e: React.DragEvent) => void
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onPreviewDrop: (e: React.DragEvent) => void
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onRemovePreviewImage: (index: number) => void
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}
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export default function PreviewImageUpload({
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materialType,
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previewImages,
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previewUrls,
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isPreviewDragging,
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previewInputRef,
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previewDropZoneRef,
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disabled = false,
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onPreviewChange,
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onPreviewDragEnter,
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onPreviewDragLeave,
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onPreviewDragOver,
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onPreviewDrop,
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onRemovePreviewImage,
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}: PreviewImageUploadProps) {
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return (
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<div>
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<label className="block text-sm font-medium text-gray-700 dark:text-gray-300 mb-2">
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预览图片
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{PREVIEW_OPTIONAL_TYPES.includes(materialType) ? '（可选）' : ' *'}
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</label>
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<div
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ref={previewDropZoneRef}
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aria-disabled={disabled}
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className={`border-2 border-dashed rounded-apple p-4 transition-colors ${
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disabled ? 'cursor-not-allowed opacity-60' : ''
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} ${
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isPreviewDragging
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? 'border-blue-500 bg-blue-50 dark:bg-blue-900/20'
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: 'border-gray-300 dark:border-gray-600'
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}`}
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onDragEnter={onPreviewDragEnter}
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onDragLeave={onPreviewDragLeave}
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onDragOver={onPreviewDragOver}
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onDrop={onPreviewDrop}
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>
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<input
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ref={previewInputRef}
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type="file"
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onChange={onPreviewChange}
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accept="image/*"
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multiple
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className="hidden"
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disabled={disabled}
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/>
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<div className="grid grid-cols-4 gap-4">
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{previewUrls.map((url, index) => (
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<div key={index} className="relative group">
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<div className="relative w-full h-32 rounded-apple overflow-hidden border-2 border-gray-200 dark:border-gray-600">
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<Image
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src={url}
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alt={`预览图 ${index + 1}`}
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fill
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unoptimized
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className="object-cover"
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/>
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{index === 0 && (
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<div className="absolute top-1 left-1 bg-blue-500 text-white text-xs px-2 py-1 rounded">
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主预览图
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</div>
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)}
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</div>
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<button
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type="button"
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onClick={() => onRemovePreviewImage(index)}
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disabled={disabled}
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className="absolute -top-2 -right-2 bg-red-500 text-white rounded-full w-6 h-6 flex items-center justify-center opacity-0 group-hover:opacity-100 transition-opacity"
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>
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×
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</button>
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</div>
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))}
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<button
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type="button"
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onClick={() => previewInputRef.current?.click()}
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disabled={disabled}
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className="group w-full h-32 rounded-apple bg-gray-100 dark:bg-gray-700 border-2 border-dashed border-gray-300 dark:border-gray-600 flex items-center justify-center hover:border-gray-400 dark:hover:border-gray-500 transition-colors"
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>
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<svg className="w-12 h-12 text-gray-400 group-hover:text-gray-500" fill="none" stroke="currentColor" viewBox="0 0 24 24">
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<path strokeLinecap="round" strokeLinejoin="round" strokeWidth={2} d="M12 4v16m8-8H4" />
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</svg>
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</button>
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</div>
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<div className="mt-3 space-y-1">
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<p className="text-xs text-gray-500 dark:text-gray-400">
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支持 JPG、PNG、WebP 等格式，可一次选择多张或拖拽上传
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</p>
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<p className="text-xs text-blue-600 dark:text-blue-400">
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💡 第一张图会自动作为主预览图
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</p>
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</div>
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</div>
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</div>
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)
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}
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