ImgPickerWidget.dart
5.99 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
163
164
165
166
167
168
169
170
171
172
import 'dart:io';
import 'package:flutter/material.dart';
import 'package:flutter_screenutil/flutter_screenutil.dart';
import 'package:image_picker/image_picker.dart';
import 'package:one_key/provider/online_check_edit_provider.dart';
import 'package:one_key/res/colors.dart';
import 'package:one_key/utils/utils.dart';
import 'package:provider/provider.dart';
final int MAX_IMAGE_NUMBER = 9;
class ImgPickerWidget extends StatelessWidget {
final ScrollController scrollController;
final Color borderColor;
final ValueChanged onChange;
ImgPickerWidget(
{Key key,
this.scrollController,
this.borderColor = Colors.blue,
this.onChange})
: super(key: key);
//相册 相机
Future _getFromPictureOrCamera(context, imageSource) async {
// File image = await ImagePicker.pickImage(
// source: imageSource,
// );
// if (image != null) {
// _provider.imageList.add(image);
// _provider.notifyListeners();
// }
// _provider.uploadTravelReleaseImg(image);
}
Future _openModalBottomSheet(context) async {
final option = await showModalBottomSheet(
context: context,
builder: (BuildContext context) {
return Container(
height: 200.0,
child: Column(
children: <Widget>[
ListTile(
title: Text('拍照', textAlign: TextAlign.center),
onTap: () {
_getFromPictureOrCamera(context, ImageSource.camera);
Navigator.pop(context);
},
),
ListTile(
title: Text('从相册选择', textAlign: TextAlign.center),
onTap: () {
_getFromPictureOrCamera(context, ImageSource.gallery);
Navigator.pop(context);
},
),
ListTile(
title: Text('取消', textAlign: TextAlign.center),
onTap: () {
Navigator.pop(context, '取消');
},
),
],
),
);
});
}
_getGridImg(count, context, isLinjie) {
OnlineCheckEditProvider _provider =
Provider.of<OnlineCheckEditProvider>(context, listen: false);
return GridView.builder(
controller: scrollController,
// padding: EdgeInsets.only(top: ScreenUtil().getAdapterSize(10)),
shrinkWrap: true,
itemCount: count,
//SliverGridDelegateWithFixedCrossAxisCount 构建一个横轴固定数量Widget
gridDelegate: SliverGridDelegateWithFixedCrossAxisCount(
//横轴元素个数
crossAxisCount: 3,
//纵轴间距
mainAxisSpacing: 20.0,
//横轴间距
crossAxisSpacing: 10.0,
//子组件宽高长度比例
childAspectRatio: 1.0),
itemBuilder: (BuildContext context, int index) {
//Widget Function(BuildContext context, int index)
var linjie = MAX_IMAGE_NUMBER;
if (isLinjie) {
linjie = MAX_IMAGE_NUMBER - 1;
}
if (index == count - 1 && index < linjie) {
return InkWell(
onTap: () {
_openModalBottomSheet(context);
},
child: Container(
width: ScreenUtil().setWidth(90 * 2),
height: ScreenUtil().setWidth(90 * 2),
decoration: BoxDecoration(
border: Border.all(
color: MyColours.color_E0E0E0,
width: ScreenUtil().setWidth(2)),
color: Theme.of(context).backgroundColor),
child: Column(
children: [
Image.asset(
Utils.getImgPath('add_image'),
width: ScreenUtil().setWidth(32),
height: ScreenUtil().setWidth(32),
)
],
)),
);
}
return _provider.imageList.length < 1
? Text('')
: Image.file(_provider.imageList[index], fit: BoxFit.cover);
});
}
@override
Widget build(BuildContext context) {
OnlineCheckEditProvider _provider =
Provider.of<OnlineCheckEditProvider>(context, listen: true);
return Container(
width: double.infinity,
decoration: BoxDecoration(
color: Colors.white, borderRadius: BorderRadius.circular(10)),
child: Column(
crossAxisAlignment: CrossAxisAlignment.start,
children: <Widget>[
Container(
height: ScreenUtil().setWidth(53 * 2),
width: double.infinity,
decoration: BoxDecoration(
color: MyColours.color_FAFAFA,
borderRadius: BorderRadius.only(
topLeft: Radius.circular(10),
topRight: Radius.circular(10)),
),
child: Padding(
padding: EdgeInsets.fromLTRB(
ScreenUtil().setWidth(20),
ScreenUtil().setWidth(36),
ScreenUtil().setWidth(20),
ScreenUtil().setWidth(26)),
child: Text(
'消费清单（选填）',
style: TextStyle(
fontSize: ScreenUtil().setSp(32),
color: MyColours.color_353535,
fontWeight: FontWeight.bold),
),
)),
Padding(
padding: EdgeInsets.all(ScreenUtil().setWidth(40)),
child: _getGridImg(
_provider.imageList.length < MAX_IMAGE_NUMBER
? _provider.imageList.length + 1
: _provider.imageList.length,
context,
_provider.imageList.length == MAX_IMAGE_NUMBER ? true : false),
)
// _getGridImg(1, context)
],
),
);
}
}