get_view.dart
3 KB
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
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
import 'package:flutter/widgets.dart';
import '../../../get_instance/src/get_instance.dart';
import '../rx_flutter/rx_disposable.dart';
/// GetView is a great way of quickly access your Controller
/// without having to call Get.find<AwesomeController>() yourself.
///
/// Sample:
/// ```
/// class AwesomeController extends GetxController {
/// final String title = 'My Awesome View';
/// }
///
/// class AwesomeView extends GetView<AwesomeController> {
/// /// if you need you can pass the tag for
/// /// Get.find<AwesomeController>(tag:"myTag");
/// @override
/// final String tag = "myTag";
///
/// AwesomeView({Key key}):super(key:key);
///
/// @override
/// Widget build(BuildContext context) {
/// return Container(
/// padding: EdgeInsets.all(20),
/// child: Text( controller.title ),
/// );
/// }
/// }
///``
abstract class GetView<T> extends StatelessWidget {
const GetView({Key key}) : super(key: key);
final String tag = null;
T get controller => GetInstance().find<T>(tag: tag);
@override
Widget build(BuildContext context);
}
class _Wrapper<T> {
T data;
}
abstract class GetWidget<T extends DisposableInterface>
extends StatelessWidget {
GetWidget({Key key}) : super(key: key);
final _value = _Wrapper<T>();
final String tag = null;
T get controller {
_value.data ??= GetInstance().find<T>(tag: tag);
return _value.data;
}
@override
Widget build(BuildContext context);
}
// abstract class GetView<A, B> extends StatelessWidget {
// const GetView({Key key}) : super(key: key);
// A get controller => GetInstance().find();
// B get controller2 => GetInstance().find();
// @override
// Widget build(BuildContext context);
// }
// abstract class GetView2<A, B, C> extends StatelessWidget {
// const GetView2({Key key}) : super(key: key);
// A get controller => GetInstance().find();
// B get controller2 => GetInstance().find();
// C get controller3 => GetInstance().find();
// @override
// Widget build(BuildContext context);
// }
class GetStatelessElement extends ComponentElement {
GetStatelessElement(GetStatelessWidget widget) : super(widget);
@override
GetStatelessWidget get widget => super.widget as GetStatelessWidget;
@override
Widget build() => widget.build(this);
@override
void update(GetStatelessWidget newWidget) {
super.update(newWidget);
markNeedsBuild();
rebuild();
}
@override
void mount(Element parent, dynamic newSlot) {
if (widget?.controller?.initialized != null &&
!widget.controller.initialized) {
widget?.controller?.onStart();
}
super.mount(parent, newSlot);
}
@override
void unmount() {
widget?.controller?.onDelete();
super.unmount();
}
}
abstract class GetStatelessWidget<T extends DisposableInterface>
extends Widget {
const GetStatelessWidget({Key key}) : super(key: key);
@override
GetStatelessElement createElement() => GetStatelessElement(this);
@protected
Widget build(BuildContext context);
T get controller;
}