42f15f6c
 吴启风
feat:模块选择持久化&模块主题...
|
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
|
import 'dart:convert';
import 'dart:ui';
import '../../models/course_module_entity.dart';
import '../../utils/sp_util.dart';
import '../utils/color_parser.dart';
///模块缓存类
class ModuleCache {
// Private constructor
ModuleCache._privateConstructor();
// Singleton instance
static final ModuleCache _instance = ModuleCache._privateConstructor();
// Public accessor for the singleton instance
static ModuleCache get instance => _instance;
// Variable to store the current module entity
CourseModuleEntity? _currentModule;
// Key for SharedPreferences
static const String _moduleKey = "courseModule";
// Initialize the cache by loading data from SharedPreferences
Future<void> init() async {
String? jsonString = SpUtil.getInstance().get<String>(_moduleKey);
if (jsonString != null) {
_currentModule = CourseModuleEntity.fromJson(json.decode(jsonString));
}
}
// Getter and setter for the current module
CourseModuleEntity? get currentModule => _currentModule;
set currentModule(CourseModuleEntity? value) {
_currentModule = value;
_saveToPrefs(value);
}
// Method to clear the cached module data
void clear() {
_currentModule = null;
_clearPrefs();
}
// Save module data to SharedPreferences
void _saveToPrefs(CourseModuleEntity? module) {
if (module != null) {
String jsonString = json.encode(module.toJson());
SpUtil.getInstance().setData(_moduleKey, jsonString);
} else {
SpUtil.getInstance().remove(_moduleKey);
}
}
String getCurrentThemeColorStr({String? colorStr}) {
return colorStr ?? _currentModule.getSafeThemeColor();
}
///根据当前课程阶段获取系统主题色
Color getCurrentThemeColor({String? colorStr}) {
return parseColor(getCurrentThemeColorStr(colorStr: colorStr));
}
///根据当前课程阶段获取系统主题名称
String getCurrentThemeName({String? name}) {
return name ?? _currentModule.getSafeName();
}
// Clear all data from SharedPreferences
void _clearPrefs() async {
SpUtil.getInstance().remove(_moduleKey);
}
}
|
