二次开发源码提交
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import 'package:flutter/material.dart';
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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 'file_utils.dart';
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/// 文件图标、颜色、类型标签统一管理
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class FileIconUtils {
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// ---- 文件图标 ----
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// 后缀分类映射：安装包/可执行/字体/数据库/镜像等
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static const _installerExtensions = {'apk', 'exe', 'msi', 'dmg', 'deb', 'rpm', 'appimage', 'snap'};
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static const _executableExtensions = {'sh', 'bat', 'cmd', 'ps1', 'bin', 'run'};
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static const _fontExtensions = {'ttf', 'otf', 'woff', 'woff2', 'eot'};
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static const _databaseExtensions = {'db', 'sqlite', 'sqlite3', 'mdb', 'sql'};
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static const _imageDiskExtensions = {'iso', 'img', 'vmdk', 'vdi', 'qcow2'};
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static const _torrentExtensions = {'torrent'};
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static IconData getFileIcon(String fileName) {
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if (FileUtils.isImageFile(fileName)) return LucideIcons.image;
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if (FileUtils.isVideoFile(fileName)) return LucideIcons.video;
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if (FileUtils.isAudioFile(fileName)) return LucideIcons.music;
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if (FileUtils.isPdfFile(fileName)) return LucideIcons.fileText;
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if (FileUtils.isTextFile(fileName)) return LucideIcons.fileText;
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if (FileUtils.isCodeFile(fileName)) return LucideIcons.code;
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if (FileUtils.isArchiveFile(fileName)) return LucideIcons.archive;
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if (FileUtils.isDocumentFile(fileName)) return LucideIcons.file;
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// fallback: 按后缀分类
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final ext = FileUtils.getFileExtension(fileName);
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if (_installerExtensions.contains(ext)) return LucideIcons.package;
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if (_executableExtensions.contains(ext)) return LucideIcons.terminal;
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if (_fontExtensions.contains(ext)) return LucideIcons.type;
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if (_databaseExtensions.contains(ext)) return LucideIcons.database;
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if (_imageDiskExtensions.contains(ext)) return LucideIcons.hardDrive;
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if (_torrentExtensions.contains(ext)) return LucideIcons.download;
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return LucideIcons.file;
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}
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static Color getFileIconColor(String fileName) {
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if (FileUtils.isImageFile(fileName)) return const Color(0xFFA855F7);
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if (FileUtils.isVideoFile(fileName)) return const Color(0xFFF97316);
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if (FileUtils.isAudioFile(fileName)) return const Color(0xFF3B82F6);
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if (FileUtils.isPdfFile(fileName)) return const Color(0xFFEF4444);
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if (FileUtils.isTextFile(fileName)) return const Color(0xFF14B8A6);
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if (FileUtils.isCodeFile(fileName)) return const Color(0xFF06B6D4);
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if (FileUtils.isArchiveFile(fileName)) return const Color(0xFFF59E0B);
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if (FileUtils.isDocumentFile(fileName)) return const Color(0xFF6366F1);
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// fallback: 按后缀分类
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final ext = FileUtils.getFileExtension(fileName);
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if (_installerExtensions.contains(ext)) return const Color(0xFF22C55E);
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if (_executableExtensions.contains(ext)) return const Color(0xFF10B981);
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if (_fontExtensions.contains(ext)) return const Color(0xFF8B5CF6);
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if (_databaseExtensions.contains(ext)) return const Color(0xFF6366F1);
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if (_imageDiskExtensions.contains(ext)) return const Color(0xFF64748B);
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if (_torrentExtensions.contains(ext)) return const Color(0xFF06B6D4);
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// 真正未知：基于后缀名 hash 生成稳定颜色
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if (ext.isNotEmpty) return _stableColor(ext);
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return const Color(0xFF64748B);
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}
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/// 基于字符串生成稳定的颜色（避免同类型不同后缀撞色）
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static Color _stableColor(String key) {
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final hash = key.hashCode.abs();
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const palette = [
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Color(0xFF64748B), Color(0xFF6366F1), Color(0xFF8B5CF6),
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Color(0xFFEC4899), Color(0xFF14B8A6), Color(0xFFF59E0B),
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Color(0xFF22C55E), Color(0xFF0EA5E9), Color(0xFFEF4444),
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];
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return palette[hash % palette.length];
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}
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/// 文件类型中文标签
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static String getFileTypeLabel(String fileName, {bool isFolder = false}) {
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if (isFolder) return '文件夹';
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if (FileUtils.isImageFile(fileName)) return '图片';
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if (FileUtils.isVideoFile(fileName)) return '视频';
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if (FileUtils.isAudioFile(fileName)) return '音频';
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if (FileUtils.isPdfFile(fileName)) return 'PDF';
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if (FileUtils.isTextFile(fileName)) {
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final ext = FileUtils.getFileExtension(fileName);
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return ext.isNotEmpty ? '${ext.toUpperCase()}文件' : '文本';
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}
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if (FileUtils.isCodeFile(fileName)) {
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final ext = FileUtils.getFileExtension(fileName);
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return ext.isNotEmpty ? '${ext.toUpperCase()}文件' : '代码';
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}
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if (FileUtils.isArchiveFile(fileName)) return '压缩包';
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if (FileUtils.isDocumentFile(fileName)) return '文档';
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// fallback: 未知后缀直接用大写后缀名
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final ext = FileUtils.getFileExtension(fileName);
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if (ext.isNotEmpty) return '${ext.toUpperCase()}文件';
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return '文件';
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}
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// ---- 语义化文件夹图标 ----
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static final _folderIconMap = <String, IconData>{
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'DOCUMENTS': LucideIcons.fileText,
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'DOCS': LucideIcons.fileText,
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'PICTURES': LucideIcons.image,
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'PHOTOS': LucideIcons.image,
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'IMAGES': LucideIcons.image,
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'VIDEOS': LucideIcons.video,
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'MOVIES': LucideIcons.video,
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'MUSIC': LucideIcons.music,
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'AUDIO': LucideIcons.music,
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'DOWNLOADS': LucideIcons.download,
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'GAMES': LucideIcons.gamepad2,
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'OS_IMAGE': LucideIcons.hardDrive,
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'DOCKER': LucideIcons.container,
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'CONTAINERS': LucideIcons.container,
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'ARIA2': LucideIcons.download,
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'BACKUP': LucideIcons.archive,
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'DESKTOP': LucideIcons.monitor,
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'FAVORITES': LucideIcons.star,
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'SHARE': LucideIcons.share2,
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'SHARED': LucideIcons.share2,
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'TRASH': LucideIcons.trash2,
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'RECYCLE': LucideIcons.trash2,
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};
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static final _folderColorMap = <String, Color>{
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'DOCUMENTS': const Color(0xFF3B82F6),
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'DOCS': const Color(0xFF3B82F6),
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'PICTURES': const Color(0xFFA855F7),
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'PHOTOS': const Color(0xFFA855F7),
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'IMAGES': const Color(0xFFA855F7),
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'VIDEOS': const Color(0xFFF97316),
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'MOVIES': const Color(0xFFF97316),
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'MUSIC': const Color(0xFF3B82F6),
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'AUDIO': const Color(0xFF3B82F6),
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'DOWNLOADS': const Color(0xFF22C55E),
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'GAMES': const Color(0xFF8B5CF6),
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'OS_IMAGE': const Color(0xFF64748B),
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'DOCKER': const Color(0xFF0EA5E9),
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'CONTAINERS': const Color(0xFF0EA5E9),
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'ARIA2': const Color(0xFF06B6D4),
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'BACKUP': const Color(0xFFF59E0B),
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'DESKTOP': const Color(0xFF6366F1),
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'FAVORITES': const Color(0xFFEAB308),
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'SHARE': const Color(0xFF14B8A6),
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'SHARED': const Color(0xFF14B8A6),
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'TRASH': const Color(0xFFEF4444),
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'RECYCLE': const Color(0xFFEF4444),
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};
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static final _folderKeywords = <String, IconData>{
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'文档': LucideIcons.fileText,
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'图片': LucideIcons.image,
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'相册': LucideIcons.image,
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'视频': LucideIcons.video,
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'音乐': LucideIcons.music,
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'下载': LucideIcons.download,
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'游戏': LucideIcons.gamepad2,
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'备份': LucideIcons.archive,
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'桌面': LucideIcons.monitor,
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'收藏': LucideIcons.star,
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'分享': LucideIcons.share2,
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'回收站': LucideIcons.trash2,
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};
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static final _folderKeywordColors = <String, Color>{
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'文档': const Color(0xFF3B82F6),
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'图片': const Color(0xFFA855F7),
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'相册': const Color(0xFFA855F7),
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'视频': const Color(0xFFF97316),
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'音乐': const Color(0xFF3B82F6),
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'下载': const Color(0xFF22C55E),
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'游戏': const Color(0xFF8B5CF6),
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'备份': const Color(0xFFF59E0B),
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'桌面': const Color(0xFF6366F1),
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'收藏': const Color(0xFFEAB308),
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'分享': const Color(0xFF14B8A6),
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'回收站': const Color(0xFFEF4444),
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};
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static IconData getFolderIcon(String folderName) {
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final upper = folderName.toUpperCase();
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if (_folderIconMap.containsKey(upper)) return _folderIconMap[upper]!;
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for (final entry in _folderKeywords.entries) {
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if (folderName.contains(entry.key)) return entry.value;
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}
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return LucideIcons.folder;
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}
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static Color? getFolderIconColor(String folderName) {
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final upper = folderName.toUpperCase();
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if (_folderColorMap.containsKey(upper)) return _folderColorMap[upper]!;
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for (final entry in _folderKeywordColors.entries) {
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if (folderName.contains(entry.key)) return entry.value;
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}
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return null; // 使用 colorScheme.primary 作为默认
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}
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// ---- 统一图标容器组件 ----
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static Widget buildIconWidget({
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required BuildContext context,
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required FileModel file,
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double size = 36,
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double iconSize = 20,
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double borderRadius = 8,
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}) {
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final colorScheme = Theme.of(context).colorScheme;
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final isDark = Theme.of(context).brightness == Brightness.dark;
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if (file.isFolder) {
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final folderColor = getFolderIconColor(file.name) ?? colorScheme.primary;
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final folderIcon = getFolderIcon(file.name);
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return Container(
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width: size,
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height: size,
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decoration: BoxDecoration(
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color: folderColor.withValues(alpha: isDark ? 0.15 : 0.1),
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borderRadius: BorderRadius.circular(borderRadius),
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),
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child: Icon(folderIcon, color: folderColor, size: iconSize),
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);
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}
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final icon = getFileIcon(file.name);
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final iconColor = getFileIconColor(file.name);
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return Container(
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width: size,
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height: size,
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decoration: BoxDecoration(
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color: iconColor.withValues(alpha: isDark ? 0.15 : 0.1),
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borderRadius: BorderRadius.circular(borderRadius),
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),
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child: Icon(icon, color: iconColor, size: iconSize),
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);
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}
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}
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