opt: enum

Signed-off-by: bggRGjQaUbCoE <githubaccount56556@proton.me>

lib/models/common/theme/theme_color_type.dart

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+import 'package:flutter/material.dart';
+
+const List<Map<String, dynamic>> colorThemeTypes = [
+  {'color': Color(0xFF5CB67B), 'label': '默认绿'},
+  {'color': Color(0xFFFF7299), 'label': '粉红色'},
+  {'color': Colors.red, 'label': '红色'},
+  {'color': Colors.orange, 'label': '橙色'},
+  {'color': Colors.amber, 'label': '琥珀色'},
+  {'color': Colors.yellow, 'label': '黄色'},
+  {'color': Colors.lime, 'label': '酸橙色'},
+  {'color': Colors.lightGreen, 'label': '浅绿色'},
+  {'color': Colors.green, 'label': '绿色'},
+  {'color': Colors.teal, 'label': '青色'},
+  {'color': Colors.cyan, 'label': '蓝绿色'},
+  {'color': Colors.lightBlue, 'label': '浅蓝色'},
+  {'color': Colors.blue, 'label': '蓝色'},
+  {'color': Colors.indigo, 'label': '靛蓝色'},
+  {'color': Colors.purple, 'label': '紫色'},
+  {'color': Colors.deepPurple, 'label': '深紫色'},
+  {'color': Colors.blueGrey, 'label': '蓝灰色'},
+  {'color': Colors.brown, 'label': '棕色'},
+  {'color': Colors.grey, 'label': '灰色'},
+];

lib/models/common/theme/theme_type.dart

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+import 'package:flutter/material.dart';
+import 'package:material_design_icons_flutter/material_design_icons_flutter.dart';
+
+enum ThemeType {
+  light,
+  dark,
+  system,
+}
+
+extension ThemeTypeExt on ThemeType {
+  String get description => const ['浅色', '深色', '跟随系统'][index];
+
+  int get code => index;
+
+  ThemeMode get toThemeMode => switch (this) {
+        ThemeType.light => ThemeMode.light,
+        ThemeType.dark => ThemeMode.dark,
+        ThemeType.system => ThemeMode.system,
+      };
+
+  IconData get iconData => switch (this) {
+        ThemeType.light => MdiIcons.weatherSunny,
+        ThemeType.dark => MdiIcons.weatherNight,
+        ThemeType.system => MdiIcons.themeLightDark,
+      };
+}