topic_word_page.dart
5.46 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
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
import 'package:flutter/material.dart';
import 'package:flutter_bloc/flutter_bloc.dart';
import 'package:flutter_screenutil/flutter_screenutil.dart';
import 'package:wow_english/common/extension/string_extension.dart';
import 'package:wow_english/practice/chosetopic/topicword/bloc/topic_word_bloc.dart';
import 'package:wow_english/practice/widgets/practice_header_widget.dart';
class TopicWordPage extends StatelessWidget {
const TopicWordPage({super.key});
@override
Widget build(BuildContext context) {
return BlocProvider(
create: (context) => TopicWordBloc(PageController(), 3),
child: _TopicWordPage(),
);
}
}
class _TopicWordPage extends StatelessWidget {
@override
Widget build(BuildContext context) {
return BlocListener<TopicWordBloc,TopicWordState>(
listener: (context, state) {
},
child: _topicWordView(),
);
}
Widget _topicWordView() => BlocBuilder<TopicWordBloc,TopicWordState>(
builder: (context,state){
final bloc = BlocProvider.of<TopicWordBloc>(context);
return Container(
color: Colors.white,
child: Stack(
children: [
Positioned(
left: 0,
right: 0,
bottom: 0,
child: Image.asset('background_grass'.assetPng,fit: BoxFit.fitWidth,)
),
Column(
children: [
PracticeHeaderWidget(
title: '${bloc.currentPage}/8',
onTap: (){Navigator.pop(context);},
),
Expanded(
child: PageView.builder(
itemCount: 8,
scrollDirection: Axis.horizontal,
controller: bloc.pageController,
onPageChanged: (int index) {
bloc.add(CurrentPageIndexChangeEvent(index));
},
itemBuilder: (BuildContext context,int index){
return _pageViewItemWidget();
}),
)
],
),
],
),
);
});
Widget _pageViewItemWidget() => BlocBuilder<TopicWordBloc,TopicWordState>(
builder: (context, state){
final bloc = BlocProvider.of<TopicWordBloc>(context);
return SafeArea(
child: Column(
children: [
Text(
'What to do when the sentence question is very long and needs a line break',
softWrap: true,
style: TextStyle(
fontSize: 21.sp,
color: const Color(0xFF333333)
)
),
26.verticalSpace,
Row(
mainAxisAlignment: MainAxisAlignment.spaceBetween,
children: [
Offstage(
offstage: (bloc.modelCount < 1),
child: _decodeImageWidget(1),
),
Offstage(
offstage: (bloc.modelCount < 2),
child: _decodeImageWidget(2),
),
Offstage(
offstage: (bloc.modelCount < 3),
child: _decodeImageWidget(3),
),
Offstage(
offstage: (bloc.modelCount < 4),
child: _decodeImageWidget(4),
)
],
)
],
),
);
});
Widget _decodeImageWidget(int index) => BlocBuilder<TopicWordBloc,TopicWordState>(
buildWhen: (_, s) => s is SelectItemChangeState,
builder: (context,state){
final bloc = BlocProvider.of<TopicWordBloc>(context);
return GestureDetector(
onTap: () => bloc.add(SelectItemEvent(index)),
child: Container(
width: 143.w,
height: 143.h,
padding: EdgeInsets.only(left: 13.w,right: 13.w,top: 13.h,bottom: 13.h),
decoration: BoxDecoration(
color: Colors.white,
borderRadius: BorderRadius.circular(15),
border: Border.all(
width: 1.0,
color: const Color(0xFF140C10)
),
),
child: Column(
mainAxisAlignment: MainAxisAlignment.end,
children: [
Expanded(
child: Container(
alignment: Alignment.center,
child: Text(
'yellow',
style: TextStyle(
fontSize: 20.sp,
color: const Color(0xFF333333)
)
),
),
),
Container(
height: 30.h,
width: double.infinity,
decoration: BoxDecoration(
color: bloc.selectItem == index?const Color(0xFF00B6F1):Colors.white,
borderRadius: BorderRadius.circular(15.r),
border: Border.all(
width: 1.5,
color: const Color(0xFF140C10)
),
),
alignment: Alignment.center,
child: Image.asset('choose'.assetPng),
)
],
),
),
);
});
}