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sf-app-platform/packages/sf_shared/lib/src/widgets/line_graph.dart

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import 'package:design_system/design_system.dart';
import 'package:flutter/material.dart';
import 'package:fl_chart/fl_chart.dart';
import 'package:flutter_riverpod/flutter_riverpod.dart';
class LineGraph extends ConsumerStatefulWidget {
final lines = [
[0, 1, 0, 1, 0, 1, 0],
[1, 0, 1, 0, 1, 0, 1],
];
LineGraph({super.key});
@override
ConsumerState<LineGraph> createState() => LineGraphState();
}
class LineGraphState extends ConsumerState<LineGraph> {
final weekDays = ["L", "M", "X", "J", "V", "S", "D"];
String? timeSpan;
late var days = weekDays;
@override
void initState() {
timeSpan = "week";
super.initState();
}
@override
Widget build(BuildContext context) {
final theme = ref.watch(themePortProvider);
return Container(
padding: EdgeInsets.all(15),
decoration: BoxDecoration(
border: BoxBorder.fromLTRB(
left: BorderSide(color: Colors.cyan, width: 5),
),
borderRadius: BorderRadius.all(Radius.circular(20)),
color: theme.getColorFor(ThemeCode.backgroundPrimary),
),
child: Column(
spacing: 10,
children: [
Row(
children: [
Text("Gastos", style: TextStyle(fontWeight: FontWeight.bold)),
Spacer(),
Container(
padding: EdgeInsets.symmetric(horizontal: 10),
decoration: BoxDecoration(
borderRadius: BorderRadius.all(Radius.circular(10)),
color: theme.getColorFor(ThemeCode.backgroundSecondary),
),
child: DropdownButton(
underline: Container(),
value: timeSpan,
onChanged: (String? value) {
setState(() {
timeSpan = value;
});
},
dropdownColor: theme.getColorFor(ThemeCode.backgroundPrimary),
items: [
DropdownMenuItem(value: "day", child: Text("Hoy")),
DropdownMenuItem(value: "week", child: Text("Esta semana")),
DropdownMenuItem(value: "month", child: Text("Este mes")),
],
),
),
],
),
Expanded(
child: LineChart(
LineChartData(
gridData: FlGridData(
show: true,
drawHorizontalLine: false,
drawVerticalLine: true,
verticalInterval: 1,
),
titlesData: FlTitlesData(
//show: false,
bottomTitles: AxisTitles(
sideTitles: SideTitles(
showTitles: true,
reservedSize: 40,
getTitlesWidget: (double value, TitleMeta meta) =>
SideTitleWidget(
space: 4,
meta: meta,
/*fitInside: fitInsideBottomTitle
? SideTitleFitInsideData.fromTitleMeta(meta, distanceFromEdge: 0)
: SideTitleFitInsideData.disable(),*/
child: Text(weekDays[value.toInt()]),
),
),
),
leftTitles: AxisTitles(),
topTitles: AxisTitles(),
rightTitles: AxisTitles(),
),
lineTouchData: LineTouchData(
touchTooltipData: LineTouchTooltipData(
getTooltipColor: (touchedSpot) =>
theme.getColorFor(ThemeCode.buttonSecondary),
getTooltipItems: (List<LineBarSpot> touchedBarSpots) {
return touchedBarSpots.map((barSpot) {
return LineTooltipItem(
"${barSpot.y}",
TextStyle(
color: theme.getColorFor(ThemeCode.textSecondary),
),
);
}).toList();
},
),
),
borderData: FlBorderData(
show: true,
border: Border(
bottom: BorderSide(
color: Colors.lightBlue.withValues(alpha: 0.2),
width: 4,
),
left: const BorderSide(color: Colors.transparent),
right: const BorderSide(color: Colors.transparent),
top: const BorderSide(color: Colors.transparent),
),
),
lineBarsData: [
LineChartBarData(
isCurved: true,
color: Colors.pink,
barWidth: 5,
isStrokeCapRound: true,
dotData: const FlDotData(show: false),
belowBarData: BarAreaData(show: false),
spots: const [
FlSpot(0, 1),
FlSpot(1, 0),
FlSpot(2, 1),
FlSpot(3, 0),
FlSpot(4, 1),
FlSpot(5, 0),
FlSpot(6, 1),
],
),
LineChartBarData(
isCurved: true,
color: Colors.cyan,
barWidth: 5,
isStrokeCapRound: true,
dotData: const FlDotData(show: false),
belowBarData: BarAreaData(show: false),
spots: const [
FlSpot(0, 0),
FlSpot(1, 1),
FlSpot(2, 0),
FlSpot(3, 1),
FlSpot(4, 0),
FlSpot(5, 1),
FlSpot(6, 0),
],
),
],
minX: 0,
maxX: days.length - 1,
maxY: 1,
minY: 0,
),
),
),
],
),
);
}
}