345 lines
11 KiB
Dart
345 lines
11 KiB
Dart
import 'package:flutter/material.dart' hide DateUtils;
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import 'package:lucide_icons/lucide_icons.dart';
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import '../../data/models/file_model.dart';
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import '../../core/utils/date_utils.dart';
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import '../../core/utils/file_icon_utils.dart';
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import '../../core/utils/file_utils.dart';
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import 'file_menu_helper.dart';
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import 'thumbnail_image.dart';
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/// 文件网格项
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class FileGridItem extends StatelessWidget {
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final FileModel file;
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final bool isSelected;
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final bool isHighlighted;
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final bool showCheckbox;
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final VoidCallback? onTap;
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final VoidCallback? onSelect;
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final VoidCallback? onDownload;
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final VoidCallback? onOpenInBrowser;
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final VoidCallback? onRename;
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final VoidCallback? onMove;
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final VoidCallback? onCopy;
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final VoidCallback? onShare;
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final VoidCallback? onDelete;
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final VoidCallback? onRestore;
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final VoidCallback? onInfo;
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final bool tapToShowMenu;
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final String? contextHint;
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const FileGridItem({
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super.key,
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required this.file,
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this.isSelected = false,
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this.isHighlighted = false,
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this.showCheckbox = false,
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this.tapToShowMenu = false,
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this.onTap,
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this.onSelect,
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this.onDownload,
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this.onOpenInBrowser,
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this.onRename,
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this.onMove,
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this.onCopy,
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this.onShare,
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this.onDelete,
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this.onRestore,
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this.onInfo,
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this.contextHint,
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});
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@override
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Widget build(BuildContext context) {
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return Builder(
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builder: (builderContext) => LayoutBuilder(
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builder: (context, constraints) {
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final fontSize = (constraints.maxWidth * 0.1).clamp(10.0, 13.0);
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return _FileGridItemHover(
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file: file,
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isSelected: isSelected,
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isHighlighted: isHighlighted,
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showCheckbox: showCheckbox,
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contextHint: contextHint,
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fontSize: fontSize,
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tapToShowMenu: tapToShowMenu,
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onTap: tapToShowMenu ? null : onTap,
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onLongPress: () => _showMenu(builderContext),
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onSelect: onSelect,
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onMore: () => _showMenu(builderContext),
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);
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},
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),
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);
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}
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Future<void> _showMenu(BuildContext context) async {
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final result = await showFileMenu(
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context: context,
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hasSelect: onSelect != null,
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hasDownload: onDownload != null,
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hasOpenInBrowser: onOpenInBrowser != null,
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hasRename: onRename != null,
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hasMove: onMove != null,
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hasCopy: onCopy != null,
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hasShare: onShare != null,
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hasDelete: onDelete != null,
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hasRestore: onRestore != null,
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hasInfo: onInfo != null,
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);
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switch (result) {
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case FileMenuAction.select:
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onSelect?.call();
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case FileMenuAction.download:
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onDownload?.call();
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case FileMenuAction.openInBrowser:
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onOpenInBrowser?.call();
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case FileMenuAction.rename:
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onRename?.call();
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case FileMenuAction.move:
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onMove?.call();
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case FileMenuAction.copy:
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onCopy?.call();
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case FileMenuAction.share:
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onShare?.call();
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case FileMenuAction.delete:
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onDelete?.call();
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case FileMenuAction.restore:
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onRestore?.call();
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case FileMenuAction.info:
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onInfo?.call();
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case null:
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break;
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}
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}
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}
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class _FileGridItemHover extends StatefulWidget {
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final FileModel file;
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final bool isSelected;
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final bool isHighlighted;
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final bool showCheckbox;
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final String? contextHint;
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final double fontSize;
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final VoidCallback? onTap;
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final VoidCallback? onLongPress;
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final VoidCallback? onSelect;
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final VoidCallback? onMore;
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final bool tapToShowMenu;
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const _FileGridItemHover({
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required this.file,
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required this.isSelected,
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required this.isHighlighted,
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required this.showCheckbox,
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required this.contextHint,
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required this.fontSize,
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this.onTap,
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this.onLongPress,
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this.onSelect,
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this.onMore,
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this.tapToShowMenu = false,
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});
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@override
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State<_FileGridItemHover> createState() => _FileGridItemHoverState();
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}
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class _FileGridItemHoverState extends State<_FileGridItemHover> {
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bool _isHovered = false;
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@override
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Widget build(BuildContext context) {
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final theme = Theme.of(context);
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final colorScheme = theme.colorScheme;
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final isDark = theme.brightness == Brightness.dark;
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// 卡片背景
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Color cardBg;
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BoxBorder? border;
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List<BoxShadow>? shadows;
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if (widget.isSelected) {
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cardBg = colorScheme.primary.withValues(alpha: 0.06);
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border = Border.all(color: colorScheme.primary, width: 2);
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} else if (widget.isHighlighted) {
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cardBg = colorScheme.primary.withValues(alpha: 0.06);
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border = Border.all(color: colorScheme.primary.withValues(alpha: 0.3));
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shadows = [
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BoxShadow(
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color: colorScheme.primary.withValues(alpha: 0.12),
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blurRadius: 8,
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offset: const Offset(0, 2),
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),
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];
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} else if (_isHovered) {
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cardBg = isDark ? const Color(0xFF263548) : const Color(0xFFF1F5F9);
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border = Border.all(color: colorScheme.primary.withValues(alpha: 0.2));
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shadows = [
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BoxShadow(
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color: Colors.black.withValues(alpha: 0.08),
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blurRadius: 4,
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offset: const Offset(0, 2),
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),
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];
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} else {
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cardBg = colorScheme.surfaceContainerLow;
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border = Border.all(
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color: isDark
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? Colors.white.withValues(alpha: 0.06)
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: theme.dividerColor.withValues(alpha: 0.15),
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);
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}
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// 文字颜色
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final nameColor = widget.isSelected ? colorScheme.primary : colorScheme.onSurface;
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return MouseRegion(
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onEnter: (_) => setState(() => _isHovered = true),
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onExit: (_) => setState(() => _isHovered = false),
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child: GestureDetector(
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onTap: widget.tapToShowMenu ? widget.onLongPress : widget.onTap,
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onLongPress: widget.onLongPress,
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onSecondaryTap: widget.onLongPress,
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child: AnimatedContainer(
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duration: const Duration(milliseconds: 150),
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decoration: BoxDecoration(
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color: cardBg,
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borderRadius: BorderRadius.circular(8),
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border: border,
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boxShadow: shadows,
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),
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padding: const EdgeInsets.all(6),
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child: Stack(
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children: [
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Column(
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crossAxisAlignment: CrossAxisAlignment.stretch,
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children: [
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// 图标区
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Expanded(
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child: widget.showCheckbox
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? Center(
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child: Checkbox(
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value: widget.isSelected,
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onChanged: (_) => widget.onSelect?.call(),
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materialTapTargetSize: MaterialTapTargetSize.shrinkWrap,
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),
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)
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: _buildIconArea(context),
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),
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const SizedBox(height: 6),
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// 文字区：左对齐
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Padding(
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padding: const EdgeInsets.symmetric(horizontal: 6),
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child: Column(
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crossAxisAlignment: CrossAxisAlignment.start,
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children: [
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// 第一行：文件名
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Text(
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_truncateFileName(widget.file.name),
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style: TextStyle(
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fontSize: widget.fontSize,
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fontWeight: FontWeight.w500,
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color: nameColor,
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),
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maxLines: 1,
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overflow: TextOverflow.ellipsis,
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),
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const SizedBox(height: 2),
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// 第二行：类型 | 大小
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Text(
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widget.file.isFolder
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? FileIconUtils.getFileTypeLabel(widget.file.name, isFolder: true)
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: '${FileIconUtils.getFileTypeLabel(widget.file.name)} | ${DateUtils.formatFileSize(widget.file.size)}',
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style: TextStyle(
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fontSize: widget.fontSize * 0.85,
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color: theme.hintColor,
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),
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maxLines: 1,
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overflow: TextOverflow.ellipsis,
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),
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const SizedBox(height: 1),
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// 第三行：修改时间
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Text(
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DateUtils.formatDateTime(widget.file.updatedAt),
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style: TextStyle(
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fontSize: widget.fontSize * 0.8,
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color: theme.hintColor.withValues(alpha: 0.7),
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),
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maxLines: 1,
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overflow: TextOverflow.ellipsis,
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),
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],
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),
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),
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],
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),
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// Hover 操作按钮
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if (_isHovered && !widget.showCheckbox)
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Positioned(
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top: 0,
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right: 0,
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child: Material(
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color: colorScheme.primary.withValues(alpha: 0.1),
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borderRadius: BorderRadius.circular(14),
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child: InkWell(
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onTap: widget.onMore,
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borderRadius: BorderRadius.circular(14),
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child: Padding(
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padding: const EdgeInsets.all(4),
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child: Icon(LucideIcons.moreVertical, size: 14, color: colorScheme.primary),
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),
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),
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),
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),
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],
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),
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),
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),
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);
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}
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String _truncateFileName(String name) {
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const maxChars = 20;
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if (name.length <= maxChars) return name;
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final dotIndex = name.lastIndexOf('.');
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if (dotIndex > 0 && dotIndex < name.length - 1) {
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final prefix = name.substring(0, 8);
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final extension = name.substring(dotIndex);
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final middleLength = maxChars - prefix.length - extension.length - 3;
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if (middleLength > 0) return '$prefix...$extension';
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}
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final half = (maxChars - 3) ~/ 2;
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return '${name.substring(0, half)}...${name.substring(name.length - half)}';
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}
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Widget _buildIconArea(BuildContext context) {
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final file = widget.file;
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final ext = FileUtils.getFileExtension(file.name);
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final isThumbnailable = !file.isFolder
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&& FileUtils.isImageFile(file.name)
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&& ext != 'svg';
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if (!isThumbnailable) {
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return Center(
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child: FileIconUtils.buildIconWidget(
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context: context,
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file: file,
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size: 40,
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iconSize: 22,
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borderRadius: 10,
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),
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);
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}
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return ThumbnailImage(
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file: file,
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contextHint: widget.contextHint,
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borderRadius: 10,
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);
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}
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}
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