refactor: 规范化页面组件目录结构

- 将 QrCodePreview、ImageUploader 移动到 QrCode/components/ - 将 DecodeResultPaper、Base64ConverterSection、TextMode 移动到 Base64Converter/components/ - 提取 useTextMode Hook，遵循 UI + Hook 分离模式 - 简化 SwitchButtonGroup 组件，提取常量到外部 Co-authored-by: Cursor <cursoragent@cursor.com>
2026-06-10 20:11:35 +08:00
parent 1f9288f780
commit 30d3561726
19 changed files with 232 additions and 215 deletions
@@ -1,6 +1,6 @@
 import { Loader2, Pencil, QrCode } from 'lucide-react';
 import TextInputArea from '@/components/TextInputArea';
-import QrCodePreview from '@/components/QrCodePreview';
+import QrCodePreview from './QrCodePreview';
 import { useI18n } from '@/utils/chromeI18n';
 import { useQrCodeContext } from '../contexts/QrCodeContext';
 import { Button } from '@/components/ui/button';
@@ -0,0 +1,175 @@
+import { useCallback, useEffect, useRef } from 'react';
+import { Image, X } from 'lucide-react';
+import { toast } from 'sonner';
+import { Button } from '@/components/ui/button';
+import { Label } from '@/components/ui/label';
+import { useI18n } from '@/utils/chromeI18n';
+
+interface ImageUploaderProps {
+  /** 选中的文件 */
+  selectedFile: File | null;
+  /** 文件变更回调 */
+  onFileChange: (file: File) => void;
+  /** 清除文件回调 */
+  onClearFile: () => void;
+  /** 文件预览 URL */
+  previewUrl: string;
+  /** 预览 URL 变更回调 */
+  onPreviewUrlChange: (url: string) => void;
+  /** 是否正在拖拽 */
+  dragging: boolean;
+  /** 拖拽状态变更回调 */
+  onDraggingChange: (dragging: boolean) => void;
+}
+
+const ImageUploader = ({
+  selectedFile,
+  onFileChange,
+  onClearFile,
+  previewUrl,
+  onPreviewUrlChange,
+  dragging,
+  onDraggingChange,
+}: ImageUploaderProps) => {
+  const { t } = useI18n('qrCode');
+  const fileInputRef = useRef<HTMLInputElement>(null);
+
+  const handleFileChange = useCallback(
+    (file: File) => {
+      onFileChange(file);
+      onPreviewUrlChange(URL.createObjectURL(file));
+    },
+    [onFileChange, onPreviewUrlChange],
+  );
+
+  const handleClearFile = useCallback(() => {
+    if (previewUrl) {
+      URL.revokeObjectURL(previewUrl);
+    }
+    onClearFile();
+    toast.success(t('qrCode:imageCleared'));
+  }, [previewUrl, onClearFile, t]);
+
+  const handleInputChange = (e: React.ChangeEvent<HTMLInputElement>) => {
+    if (e.target.files && e.target.files.length > 0) {
+      handleFileChange(e.target.files[0]);
+    }
+  };
+
+  const handleDragOver = (e: React.DragEvent<HTMLDivElement>) => {
+    e.preventDefault();
+    onDraggingChange(true);
+  };
+
+  const handleDragLeave = () => {
+    onDraggingChange(false);
+  };
+
+  const handleDrop = (e: React.DragEvent<HTMLDivElement>) => {
+    e.preventDefault();
+    onDraggingChange(false);
+    const droppedFile = e.dataTransfer.files?.[0];
+    if (droppedFile) {
+      handleFileChange(droppedFile);
+    }
+  };
+
+  // 监听粘贴事件
+  useEffect(() => {
+    const handlePaste = async (e: ClipboardEvent) => {
+      const items = e.clipboardData?.items;
+      if (!items) return;
+
+      for (let i = 0; i < items.length; i++) {
+        if (items[i].type.startsWith('image/')) {
+          e.preventDefault();
+
+          const file = items[i].getAsFile();
+          if (file) {
+            try {
+              handleFileChange(file);
+              toast.success(t('qrCode:imagePasted'));
+            } catch (error) {
+              console.error('处理粘贴图片失败:', error);
+              toast.error(t('qrCode:imagePasteError'));
+            }
+          }
+          break;
+        }
+      }
+    };
+
+    document.addEventListener('paste', handlePaste);
+
+    return () => {
+      document.removeEventListener('paste', handlePaste);
+    };
+  }, [handleFileChange, t]);
+
+  return (
+    <div
+      className={`flex flex-col items-center justify-center h-[250px] border-2 border-dashed rounded-xl p-4 cursor-pointer transition-all duration-200 ${
+        dragging
+          ? 'border-green-600 bg-green-50'
+          : selectedFile
+            ? 'border-green-600 bg-green-50/50'
+            : 'border-input bg-muted hover:border-green-600 hover:bg-green-500/10/50'
+      }`}
+      onDragOver={handleDragOver}
+      onDragLeave={handleDragLeave}
+      onDrop={handleDrop}
+    >
+      <input
+        ref={fileInputRef}
+        type="file"
+        accept="image/*"
+        onChange={handleInputChange}
+        className="hidden"
+        id="qr-code-upload"
+      />
+      <Label htmlFor="qr-code-upload" className="cursor-pointer text-center w-full">
+        {selectedFile ? (
+          <div className="text-center w-full relative">
+            <div className="relative inline-block">
+              <img
+                src={previewUrl}
+                alt="QR Code Preview"
+                className="max-w-full max-h-40 rounded-lg object-contain"
+              />
+              <Button
+                type="button"
+                variant="destructive"
+                size="icon"
+                data-testid="ClearIcon"
+                onClick={(e) => {
+                  e.stopPropagation();
+                  handleClearFile();
+                }}
+                className="absolute -top-2 -right-2 h-6 w-6 rounded-full"
+              >
+                <X className="w-3 h-3" />
+              </Button>
+            </div>
+            <span className="block text-sm text-muted-foreground mt-2">{selectedFile.name}</span>
+            <span className="block text-xs text-muted-foreground">{t('qrCode:clickToChange')}</span>
+          </div>
+        ) : (
+          <>
+            <Image
+              data-testid="ImageIcon"
+              className="w-12 h-12 text-muted-foreground mx-auto mb-2"
+            />
+            <span className="block text-sm text-muted-foreground mb-1">
+              {t('qrCode:clickToUpload')}
+            </span>
+            <span className="block text-xs text-muted-foreground">
+              {t('qrCode:supportFormats')}
+            </span>
+          </>
+        )}
+      </Label>
+    </div>
+  );
+};
+
+export default ImageUploader;
@@ -2,7 +2,7 @@ import { useCallback, useEffect } from 'react';
 import { RefreshCw } from 'lucide-react';
 import { toast } from 'sonner';
 import TextInputArea from '@/components/TextInputArea';
-import ImageUploader from '@/components/ImageUploader';
+import ImageUploader from './ImageUploader';
 import { useI18n } from '@/utils/chromeI18n';
 import { useQrCodeContext } from '../contexts/QrCodeContext';
 import { Button } from '@/components/ui/button';
@@ -0,0 +1,84 @@
+import React from 'react';
+import { Copy, Download } from 'lucide-react';
+import { useI18n } from '@/utils/chromeI18n';
+import { cn } from '@/lib/utils';
+import { Button } from '@/components/ui/button';
+
+// 继承原生 HTML Div 属性，方便外部无缝扩充类名或监听事件
+interface QrCodePreviewProps extends React.HTMLAttributes<HTMLDivElement> {
+  /** 二维码 Data URL */
+  qrCodeDataUrl: string;
+  /** 下载回调 */
+  onDownload: () => void;
+  /** 复制回调 */
+  onCopy: () => void;
+  /** 自定义占位文本，用于空状态提示 */
+  placeholderText?: string;
+}
+
+const QrCodePreview = ({
+  qrCodeDataUrl,
+  onDownload,
+  onCopy,
+  placeholderText,
+  className,
+  ...props
+}: QrCodePreviewProps) => {
+  const { t } = useI18n('qrCode');
+
+  // 空状态下的虚线骨架屏
+  if (!qrCodeDataUrl) {
+    return (
+      <div
+        className={cn(
+          'flex flex-col justify-center items-center min-h-[200px] border border-dashed border-input rounded-xl p-4 bg-muted/40',
+          className,
+        )}
+        {...props}
+      >
+        <p className="text-sm text-muted-foreground text-center">
+          {placeholderText || t('qrCode:qrCodeWillShow')}
+        </p>
+      </div>
+    );
+  }
+
+  return (
+    <div
+      className={cn(
+        'flex flex-col justify-center items-center border border-input rounded-xl p-4 bg-muted/40',
+        className,
+      )}
+      {...props}
+    >
+      <div className="flex flex-col items-center w-full max-w-xs">
+        {/*
+          二维码容器适配：
+          在暗黑模式下，纯黑白的二维码如果直接暴露在暗色背景下，会导致手机摄像头极难识别。
+          通过裹一层 bg-white 和 p-2，确保黑白对比度绝对安全，同时加入 shadow 增强卡片感。
+        */}
+        <div className="p-2 bg-white rounded-lg shadow-sm border border-border/40">
+          <img
+            src={qrCodeDataUrl}
+            alt="QR Code Preview"
+            className="w-48 h-48 max-w-full object-contain block animate-in fade-in duration-300"
+          />
+        </div>
+
+        <div className="flex w-full gap-2 mt-3">
+          <Button variant="outline" size="sm" onClick={onDownload} className="flex-1 h-8">
+            <Download className="w-3.5 h-3.5 text-muted-foreground" />
+            <span className="truncate text-xs">{t('qrCode:downloadButton')}</span>
+          </Button>
+
+          <Button variant="default" size="sm" onClick={onCopy} className="flex-1 h-8">
+            <Copy className="w-3.5 h-3.5" />
+            <span className="truncate text-xs">{t('qrCode:copyQrButton')}</span>
+          </Button>
+        </div>
+      </div>
+    </div>
+  );
+};
+
+export default QrCodePreview;