forked from imaNNeo/fl_chart
-
Notifications
You must be signed in to change notification settings - Fork 0
/
pie_chart_sample3.dart
164 lines (155 loc) · 4.8 KB
/
pie_chart_sample3.dart
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
import 'package:flutter/material.dart';
import 'package:flutter_svg/flutter_svg.dart';
import 'package:fl_chart/fl_chart.dart';
/// Icons by svgrepo.com (https://www.svgrepo.com/collection/job-and-professions-3/)
class PieChartSample3 extends StatefulWidget {
@override
State<StatefulWidget> createState() => PieChartSample3State();
}
class PieChartSample3State extends State {
int touchedIndex;
@override
Widget build(BuildContext context) {
return AspectRatio(
aspectRatio: 1.3,
child: Card(
color: Colors.white,
child: AspectRatio(
aspectRatio: 1,
child: PieChart(
PieChartData(
pieTouchData: PieTouchData(touchCallback: (pieTouchResponse) {
setState(() {
if (pieTouchResponse.touchInput is FlLongPressEnd ||
pieTouchResponse.touchInput is FlPanEnd) {
touchedIndex = -1;
} else {
touchedIndex = pieTouchResponse.touchedSectionIndex;
}
});
}),
borderData: FlBorderData(
show: false,
),
sectionsSpace: 0,
centerSpaceRadius: 0,
sections: showingSections()),
),
),
),
);
}
List<PieChartSectionData> showingSections() {
return List.generate(4, (i) {
final isTouched = i == touchedIndex;
final double fontSize = isTouched ? 20 : 16;
final double radius = isTouched ? 110 : 100;
final double widgetSize = isTouched ? 55 : 40;
switch (i) {
case 0:
return PieChartSectionData(
color: const Color(0xff0293ee),
value: 40,
title: '40%',
radius: radius,
titleStyle: TextStyle(
fontSize: fontSize, fontWeight: FontWeight.bold, color: const Color(0xffffffff)),
badgeWidget: _Badge(
'assets/ophthalmology-svgrepo-com.svg',
size: widgetSize,
borderColor: const Color(0xff0293ee),
),
badgePositionPercentageOffset: .98,
);
case 1:
return PieChartSectionData(
color: const Color(0xfff8b250),
value: 30,
title: '30%',
radius: radius,
titleStyle: TextStyle(
fontSize: fontSize, fontWeight: FontWeight.bold, color: const Color(0xffffffff)),
badgeWidget: _Badge(
'assets/librarian-svgrepo-com.svg',
size: widgetSize,
borderColor: const Color(0xfff8b250),
),
badgePositionPercentageOffset: .98,
);
case 2:
return PieChartSectionData(
color: const Color(0xff845bef),
value: 16,
title: '16%',
radius: radius,
titleStyle: TextStyle(
fontSize: fontSize, fontWeight: FontWeight.bold, color: const Color(0xffffffff)),
badgeWidget: _Badge(
'assets/fitness-svgrepo-com.svg',
size: widgetSize,
borderColor: const Color(0xff845bef),
),
badgePositionPercentageOffset: .98,
);
case 3:
return PieChartSectionData(
color: const Color(0xff13d38e),
value: 15,
title: '15%',
radius: radius,
titleStyle: TextStyle(
fontSize: fontSize, fontWeight: FontWeight.bold, color: const Color(0xffffffff)),
badgeWidget: _Badge(
'assets/worker-svgrepo-com.svg',
size: widgetSize,
borderColor: const Color(0xff13d38e),
),
badgePositionPercentageOffset: .98,
);
default:
return null;
}
});
}
}
class _Badge extends StatelessWidget {
final String svgAsset;
final double size;
final Color borderColor;
const _Badge(
this.svgAsset, {
Key key,
@required this.size,
@required this.borderColor,
}) : super(key: key);
@override
Widget build(BuildContext context) {
return AnimatedContainer(
duration: PieChart.defaultDuration,
width: size,
height: size,
decoration: BoxDecoration(
color: Colors.white,
shape: BoxShape.circle,
border: Border.all(
color: borderColor,
width: 2,
),
boxShadow: <BoxShadow>[
BoxShadow(
color: Colors.black.withOpacity(.5),
offset: const Offset(3, 3),
blurRadius: 3,
),
],
),
padding: EdgeInsets.all(size * .15),
child: Center(
child: SvgPicture.asset(
svgAsset,
fit: BoxFit.contain,
),
),
);
}
}