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sparkline_in_grid.dart
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///Dart import
import 'dart:math' as math;
/// Package imports
import 'package:flutter/material.dart';
import 'package:syncfusion_flutter_charts/sparkcharts.dart';
/// Barcode imports
import 'package:syncfusion_flutter_datagrid/datagrid.dart';
/// Local imports
import '../../model/sample_view.dart';
/// Renders column type data grid
class SparkLineGrid extends SampleView {
/// Creates column type data grid
const SparkLineGrid(Key key) : super(key: key);
@override
_SparkLineGridState createState() => _SparkLineGridState();
}
class _SparkLineGridState extends SampleViewState {
_SparkLineGridState();
//ignore: unused_field
final math.Random _random = math.Random();
late bool _isLandscapeInMobileView;
late _ColumnTypesDataGridSource _columnTypesDataGridSource;
List<_Employee> _generateList(int _count) {
final List<_Employee> _employeeData = <_Employee>[];
for (int i = 0; i < _count; i++) {
_employeeData.add(_Employee(
1 + i,
_names[i],
Padding(padding: EdgeInsets.fromLTRB(10, 0, 10, 0), child: _taxs[i]),
_shipCountrys[i],
Padding(
padding: EdgeInsets.fromLTRB(10, 0, 10, 0),
child: _columnData[i]),
Padding(
padding: EdgeInsets.fromLTRB(10, 0, 10, 0),
child: SfSparkWinLossChart(
data: _winlossData[i],
trackball: SparkChartTrackball(
activationMode: SparkChartActivationMode.tap)))));
}
return _employeeData;
}
final List<Widget> _taxs = <Widget>[
SfSparkLineChart(
data: <double>[0, 6, 4, 1, 3, 2, 5],
axisLineWidth: 0,
trackball:
SparkChartTrackball(activationMode: SparkChartActivationMode.tap)),
SfSparkLineChart(
data: <double>[5, 4, 6, 3, 1, 2, 0],
axisLineWidth: 0,
trackball:
SparkChartTrackball(activationMode: SparkChartActivationMode.tap)),
SfSparkLineChart(
data: <double>[6, 4, 0, 3, 2, 5, 1],
axisLineWidth: 0,
trackball:
SparkChartTrackball(activationMode: SparkChartActivationMode.tap)),
SfSparkLineChart(
data: <double>[4, 6, 3, 0, 1, 2, 5],
axisLineWidth: 0,
trackball:
SparkChartTrackball(activationMode: SparkChartActivationMode.tap)),
SfSparkLineChart(
data: <double>[3, 5, 6, 4, 0, 1, 2],
axisLineWidth: 0,
trackball:
SparkChartTrackball(activationMode: SparkChartActivationMode.tap)),
SfSparkLineChart(
data: <double>[1, 3, 4, 2, 5, 0, 6],
axisLineWidth: 0,
trackball:
SparkChartTrackball(activationMode: SparkChartActivationMode.tap)),
SfSparkLineChart(
data: <double>[2, 4, 0, 3, 5, 6, 1],
axisLineWidth: 0,
trackball:
SparkChartTrackball(activationMode: SparkChartActivationMode.tap)),
SfSparkLineChart(
data: <double>[5, 4, 6, 3, 1, 2, 0],
axisLineWidth: 0,
trackball:
SparkChartTrackball(activationMode: SparkChartActivationMode.tap)),
SfSparkLineChart(
data: <double>[0, 6, 4, 1, 3, 2, 5],
axisLineWidth: 0,
trackball:
SparkChartTrackball(activationMode: SparkChartActivationMode.tap)),
SfSparkLineChart(
data: <double>[6, 4, 0, 3, 2, 5, 1],
axisLineWidth: 0,
trackball:
SparkChartTrackball(activationMode: SparkChartActivationMode.tap)),
SfSparkLineChart(
data: <double>[4, 6, 3, 0, 1, 2, 5],
axisLineWidth: 0,
trackball:
SparkChartTrackball(activationMode: SparkChartActivationMode.tap)),
SfSparkLineChart(
data: <double>[3, 5, 6, 4, 0, 1, 2],
axisLineWidth: 0,
trackball:
SparkChartTrackball(activationMode: SparkChartActivationMode.tap)),
SfSparkLineChart(
data: <double>[1, 3, 4, 2, 5, 0, 6],
axisLineWidth: 0,
trackball:
SparkChartTrackball(activationMode: SparkChartActivationMode.tap)),
SfSparkLineChart(
data: <double>[2, 4, 0, 3, 5, 6, 1],
axisLineWidth: 0,
trackball:
SparkChartTrackball(activationMode: SparkChartActivationMode.tap)),
SfSparkLineChart(
data: <double>[5, 4, 6, 3, 1, 2, 0],
axisLineWidth: 0,
trackball:
SparkChartTrackball(activationMode: SparkChartActivationMode.tap)),
SfSparkLineChart(
data: <double>[0, 6, 4, 1, 3, 2, 5],
axisLineWidth: 0,
trackball:
SparkChartTrackball(activationMode: SparkChartActivationMode.tap)),
SfSparkLineChart(
data: <double>[6, 4, 0, 3, 2, 5, 1],
axisLineWidth: 0,
trackball:
SparkChartTrackball(activationMode: SparkChartActivationMode.tap)),
SfSparkLineChart(
data: <double>[4, 6, 3, 0, 1, 2, 5],
axisLineWidth: 0,
trackball:
SparkChartTrackball(activationMode: SparkChartActivationMode.tap)),
SfSparkLineChart(
data: <double>[2, 4, 0, 3, 5, 6, 1],
axisLineWidth: 0,
trackball:
SparkChartTrackball(activationMode: SparkChartActivationMode.tap)),
SfSparkLineChart(
data: <double>[3, 5, 6, 4, 0, 1, 2],
axisLineWidth: 0,
trackball:
SparkChartTrackball(activationMode: SparkChartActivationMode.tap)),
];
final List<String> _names = <String>[
'VINET',
'TOMSP',
'HANAR',
'VICTE',
'SUPRD',
'HANAR',
'CHOPS',
'RICSU',
'WELLI',
'HILAA',
'ERNSH',
'CENTC',
'OTTIK',
'QUEDE',
'RATTC',
'ERNSH',
'FOLKO',
'BLONP',
'WARTH',
'FRANK'
];
final List<List<double>> _winlossData = <List<double>>[
[0, 6, -4, 1, -3, 2, 5],
[5, -4, 6, 3, -1, 2, 0],
[6, 4, 0, 3, -2, 5, 1],
[4, -6, 3, 0, 1, -2, 5],
[3, 5, -6, -4, 0, 1, 2],
[1, -3, 4, -2, 5, 0, 6],
[2, 4, 0, -3, 5, -6, 1],
[5, 4, -6, 3, 1, -2, 0],
[0, -6, 4, 1, -3, 2, 5],
[6, 4, 0, -3, 2, -5, 1],
[4, 6, -3, 0, 1, 2, 5],
[3, -5, -6, 4, 0, 1, 2],
[1, 3, -4, -2, 5, 0, 6],
[2, -4, 0, -3, 5, 6, 1],
[5, 4, -6, 3, 1, -2, 0],
[0, 6, 4, -1, -3, 2, 5],
[6, -4, 0, -3, 2, 5, 1],
[4, 6, -3, 0, -1, 2, 5],
[6, 4, 0, -3, 2, -5, 1],
[3, 5, 6, -4, 0, 1, 2],
[1, 3, -4, 2, -5, 0, 6]
];
final List<Widget> _columnData = <Widget>[
SfSparkBarChart(
data: <double>[0, 6, -4, 1, -3, 2, 5],
axisLineWidth: 0,
trackball:
SparkChartTrackball(activationMode: SparkChartActivationMode.tap)),
SfSparkBarChart(
data: <double>[5, -4, 6, 3, -1, 2, 0],
axisLineWidth: 0,
trackball:
SparkChartTrackball(activationMode: SparkChartActivationMode.tap)),
SfSparkBarChart(
data: <double>[6, 4, 0, 3, -2, 5, 1],
axisLineWidth: 0,
trackball:
SparkChartTrackball(activationMode: SparkChartActivationMode.tap)),
SfSparkBarChart(
data: <double>[4, -6, 3, 0, 1, -2, 5],
axisLineWidth: 0,
trackball:
SparkChartTrackball(activationMode: SparkChartActivationMode.tap)),
SfSparkBarChart(
data: <double>[3, 5, -6, -4, 0, 1, 2],
axisLineWidth: 0,
trackball:
SparkChartTrackball(activationMode: SparkChartActivationMode.tap)),
SfSparkBarChart(
data: <double>[1, -3, 4, -2, 5, 0, 6],
axisLineWidth: 0,
trackball:
SparkChartTrackball(activationMode: SparkChartActivationMode.tap)),
SfSparkBarChart(
data: <double>[2, 4, 0, -3, 5, -6, 1],
axisLineWidth: 0,
trackball:
SparkChartTrackball(activationMode: SparkChartActivationMode.tap)),
SfSparkBarChart(
data: <double>[5, 4, -6, 3, 1, -2, 0],
axisLineWidth: 0,
trackball:
SparkChartTrackball(activationMode: SparkChartActivationMode.tap)),
SfSparkBarChart(
data: <double>[0, -6, 4, 1, -3, 2, 5],
axisLineWidth: 0,
trackball:
SparkChartTrackball(activationMode: SparkChartActivationMode.tap)),
SfSparkBarChart(
data: <double>[6, 4, 0, -3, 2, -5, 1],
axisLineWidth: 0,
trackball:
SparkChartTrackball(activationMode: SparkChartActivationMode.tap)),
SfSparkBarChart(
data: <double>[4, 6, -3, 0, 1, 2, 5],
axisLineWidth: 0,
trackball:
SparkChartTrackball(activationMode: SparkChartActivationMode.tap)),
SfSparkBarChart(
data: <double>[3, -5, -6, 4, 0, 1, 2],
axisLineWidth: 0,
trackball:
SparkChartTrackball(activationMode: SparkChartActivationMode.tap)),
SfSparkBarChart(
data: <double>[1, 3, -4, -2, 5, 0, 6],
axisLineWidth: 0,
trackball:
SparkChartTrackball(activationMode: SparkChartActivationMode.tap)),
SfSparkBarChart(
data: <double>[2, -4, 0, -3, 5, 6, 1],
axisLineWidth: 0,
trackball:
SparkChartTrackball(activationMode: SparkChartActivationMode.tap)),
SfSparkBarChart(
data: <double>[5, 4, -6, 3, 1, -2, 0],
axisLineWidth: 0,
trackball:
SparkChartTrackball(activationMode: SparkChartActivationMode.tap)),
SfSparkBarChart(
data: <double>[0, 6, 4, -1, -3, 2, 5],
axisLineWidth: 0,
trackball:
SparkChartTrackball(activationMode: SparkChartActivationMode.tap)),
SfSparkBarChart(
data: <double>[6, -4, 0, -3, 2, 5, 1],
axisLineWidth: 0,
trackball:
SparkChartTrackball(activationMode: SparkChartActivationMode.tap)),
SfSparkBarChart(
data: <double>[4, 6, -3, 0, -1, 2, 5],
axisLineWidth: 0,
trackball:
SparkChartTrackball(activationMode: SparkChartActivationMode.tap)),
SfSparkBarChart(
data: <double>[6, 4, 0, -3, 2, -5, 1],
axisLineWidth: 0,
trackball:
SparkChartTrackball(activationMode: SparkChartActivationMode.tap)),
SfSparkBarChart(
data: <double>[3, 5, 6, -4, 0, 1, 2],
axisLineWidth: 0,
trackball:
SparkChartTrackball(activationMode: SparkChartActivationMode.tap))
];
//ignore: unused_field
final List<DateTime> _orderDates = <DateTime>[
DateTime(1996, 07, 04),
DateTime(1996, 07, 05),
DateTime(1996, 07, 08),
DateTime(1996, 07, 08),
DateTime(1996, 07, 09),
DateTime(1996, 07, 10),
DateTime(1996, 07, 11),
DateTime(1996, 07, 12),
DateTime(1996, 07, 15),
DateTime(1996, 07, 16),
DateTime(1996, 07, 17),
DateTime(1996, 07, 18),
DateTime(1996, 07, 19),
DateTime(1996, 07, 19),
DateTime(1996, 07, 22),
DateTime(1996, 07, 23),
DateTime(1996, 07, 24),
DateTime(1996, 07, 25),
DateTime(1996, 07, 26),
DateTime(1996, 07, 29),
];
final List<String> _shipCountrys = <String>[
'France',
'Germany',
'Brazil',
'France',
'Belgium',
'Brazil',
'Switzerland',
'Switzerland',
'Brazil',
'Venezuela',
'Austria',
'Mexico',
'Germany',
'Brazil',
'USA',
'Austria',
'Sweden',
'France',
'Finland',
'Germany',
];
SfDataGrid _buildDataGrid() {
return SfDataGrid(
source: _columnTypesDataGridSource,
columnWidthMode: model.isWebFullView
? ColumnWidthMode.fill
: _isLandscapeInMobileView
? ColumnWidthMode.fill
: ColumnWidthMode.none,
columns: <GridColumn>[
GridTextColumn(
columnName: 'id',
label: Container(
padding: EdgeInsets.all(8.0),
alignment: Alignment.centerRight,
child: Text('ID')),
width: 50),
GridTextColumn(
columnName: 'name',
label: Container(
padding: EdgeInsets.all(8.0),
alignment: Alignment.centerLeft,
child: Text('Name')),
),
GridTextColumn(
columnName: 'shipCountry',
label: Container(
padding: EdgeInsets.all(8.0),
alignment: Alignment.centerLeft,
child: Text('Ship country')),
),
GridTextColumn(
columnName: 'tax',
width: model.isWebFullView ? double.nan : 130,
label: Container(
alignment: Alignment.center, child: Text('Tax per annum'))),
GridTextColumn(
columnName: 'column',
width: model.isWebFullView ? double.nan : 130,
label: Container(
alignment: Alignment.center, child: Text('One day index'))),
GridTextColumn(
columnName: 'winloss',
label: Container(
alignment: Alignment.center, child: Text('Year GR'))),
]);
}
@override
void initState() {
super.initState();
_columnTypesDataGridSource =
_ColumnTypesDataGridSource(_generateList(20), model.isWebFullView);
}
@override
void didChangeDependencies() {
super.didChangeDependencies();
_isLandscapeInMobileView = !model.isWebFullView &&
MediaQuery.of(context).orientation == Orientation.landscape;
}
@override
Widget build(BuildContext context) {
return Scaffold(body: _buildDataGrid());
}
}
class _Employee {
_Employee(this.id, this.name, this.tax, this.shipCountry, this.column,
this.winloss);
final int id;
final String name;
final String shipCountry;
final Widget tax;
final Widget column;
final Widget winloss;
}
class _ColumnTypesDataGridSource extends DataGridSource {
_ColumnTypesDataGridSource(List<_Employee> employees, this.isWeb) {
_employeeData = employees
.map<DataGridRow>((e) => DataGridRow(cells: [
DataGridCell<int>(columnName: 'id', value: e.id),
DataGridCell<String>(columnName: 'name', value: e.name),
DataGridCell<String>(
columnName: 'shipCountry', value: e.shipCountry),
DataGridCell<Widget>(columnName: 'tax', value: e.tax),
DataGridCell<Widget>(columnName: 'column', value: e.column),
DataGridCell<Widget>(columnName: 'winloss', value: e.winloss),
]))
.toList();
}
late List<DataGridRow> _employeeData;
final bool isWeb;
@override
List<DataGridRow> get rows => _employeeData;
@override
DataGridRowAdapter buildRow(DataGridRow row) {
return DataGridRowAdapter(cells: [
Container(
alignment: Alignment.centerRight,
padding: EdgeInsets.all((8.0)),
child: Text(row.getCells()[0].value.toString()),
),
Container(
alignment: Alignment.centerLeft,
padding: EdgeInsets.all((8.0)),
child: Text(row.getCells()[1].value),
),
Container(
alignment: Alignment.centerLeft,
padding: EdgeInsets.all((8.0)),
child: Text(row.getCells()[2].value),
),
Container(
padding: const EdgeInsets.all(3),
child: row.getCells()[3].value,
),
Container(
padding: const EdgeInsets.all(3),
child: row.getCells()[4].value,
),
Container(
padding: const EdgeInsets.all(3),
child: row.getCells()[5].value,
)
]);
}
}