rx_getbuilder.dart
2.93 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
import 'package:flutter/widgets.dart';
import 'package:get/src/root/smart_management.dart';
import '../get_instance.dart';
import 'rx_impl.dart';
import 'rx_interface.dart';
class GetX<T extends DisposableInterface> extends StatefulWidget {
final Widget Function(T) builder;
final bool global;
// final Stream Function(T) stream;
// final StreamController Function(T) streamController;
final bool autoRemove;
final bool assignId;
final void Function(State state) initState, dispose, didChangeDependencies;
final void Function(GetX oldWidget, State state) didUpdateWidget;
final T init;
const GetX({
this.builder,
this.global = true,
this.autoRemove = true,
this.initState,
this.assignId = false,
// this.stream,
this.dispose,
this.didChangeDependencies,
this.didUpdateWidget,
this.init,
// this.streamController
});
GetImplXState<T> createState() => GetImplXState<T>();
}
class GetImplXState<T extends DisposableInterface> extends State<GetX<T>> {
RxInterface _observer;
T controller;
bool isCreator = false;
@override
void initState() {
_observer = Rx();
bool isPrepared = GetInstance().isPrepared<T>();
bool isRegistred = GetInstance().isRegistred<T>();
if (widget.global) {
if (isPrepared) {
if (GetConfig.smartManagement != SmartManagement.keepFactory) {
isCreator = true;
}
controller = GetInstance().find<T>();
} else if (isRegistred) {
controller = GetInstance().find<T>();
isCreator = false;
} else {
controller = widget.init;
isCreator = true;
GetInstance().put<T>(controller);
}
} else {
controller = widget.init;
isCreator = true;
controller?.onStart();
}
if (widget.initState != null) widget.initState(this);
if (isCreator && GetConfig.smartManagement == SmartManagement.onlyBuilder) {
controller?.onStart();
}
_observer.subject.stream.listen((data) => setState(() {}));
super.initState();
}
@override
void didChangeDependencies() {
super.didChangeDependencies();
if (widget.didChangeDependencies != null) {
widget.didChangeDependencies(this);
}
}
@override
void didUpdateWidget(GetX oldWidget) {
super.didUpdateWidget(oldWidget as GetX<T>);
if (widget.didUpdateWidget != null) widget.didUpdateWidget(oldWidget, this);
}
@override
void dispose() {
if (widget.dispose != null) widget.dispose(this);
if (isCreator || widget.assignId) {
if (widget.autoRemove && GetInstance().isRegistred<T>()) {
GetInstance().delete<T>();
}
}
_observer.close();
controller = null;
isCreator = null;
super.dispose();
}
Widget get notifyChilds {
final observer = getObs;
getObs = _observer;
final result = widget.builder(controller);
getObs = observer;
return result;
}
@override
Widget build(BuildContext context) => notifyChilds;
}