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Code Issues Releases Wiki Activity

web/chart: fix sample (#909)

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This commit is contained in:
Brett Morgan
2021-10-07 08:10:34 +11:00
committed by GitHub
parent 0fe216a1cf
commit 2d9ba2f9eb
118 changed files with 3655 additions and 3511 deletions
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71
web/charts/lib/behaviors/selection_callback_example.dart
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@@ -36,11 +36,12 @@ class SelectionCallbackExample extends StatefulWidget {
final List<charts.Series> seriesList;
final bool animate;
SelectionCallbackExample(this.seriesList, {this.animate});
const SelectionCallbackExample(this.seriesList, {this.animate, Key key})
: super(key: key);
/// Creates a [charts.TimeSeriesChart] with sample data and no transition.
factory SelectionCallbackExample.withSampleData() {
return new SelectionCallbackExample(
return SelectionCallbackExample(
_createSampleData(),
// Disable animations for image tests.
animate: false,
@@ -52,35 +53,35 @@ class SelectionCallbackExample extends StatefulWidget {
// It is used for creating random series data to demonstrate animation in
// the example app only.
factory SelectionCallbackExample.withRandomData() {
return new SelectionCallbackExample(_createRandomData());
return SelectionCallbackExample(_createRandomData());
}
/// Create random data.
static List<charts.Series<TimeSeriesSales, DateTime>> _createRandomData() {
final random = new Random();
final random = Random();
final usData = [
new TimeSeriesSales(new DateTime(2017, 9, 19), random.nextInt(100)),
new TimeSeriesSales(new DateTime(2017, 9, 26), random.nextInt(100)),
new TimeSeriesSales(new DateTime(2017, 10, 3), random.nextInt(100)),
new TimeSeriesSales(new DateTime(2017, 10, 10), random.nextInt(100)),
TimeSeriesSales(DateTime(2017, 9, 19), random.nextInt(100)),
TimeSeriesSales(DateTime(2017, 9, 26), random.nextInt(100)),
TimeSeriesSales(DateTime(2017, 10, 3), random.nextInt(100)),
TimeSeriesSales(DateTime(2017, 10, 10), random.nextInt(100)),
];
final ukData = [
new TimeSeriesSales(new DateTime(2017, 9, 19), random.nextInt(100)),
new TimeSeriesSales(new DateTime(2017, 9, 26), random.nextInt(100)),
new TimeSeriesSales(new DateTime(2017, 10, 3), random.nextInt(100)),
new TimeSeriesSales(new DateTime(2017, 10, 10), random.nextInt(100)),
TimeSeriesSales(DateTime(2017, 9, 19), random.nextInt(100)),
TimeSeriesSales(DateTime(2017, 9, 26), random.nextInt(100)),
TimeSeriesSales(DateTime(2017, 10, 3), random.nextInt(100)),
TimeSeriesSales(DateTime(2017, 10, 10), random.nextInt(100)),
];
return [
new charts.Series<TimeSeriesSales, DateTime>(
charts.Series<TimeSeriesSales, DateTime>(
id: 'US Sales',
domainFn: (TimeSeriesSales sales, _) => sales.time,
measureFn: (TimeSeriesSales sales, _) => sales.sales,
data: usData,
),
new charts.Series<TimeSeriesSales, DateTime>(
charts.Series<TimeSeriesSales, DateTime>(
id: 'UK Sales',
domainFn: (TimeSeriesSales sales, _) => sales.time,
measureFn: (TimeSeriesSales sales, _) => sales.sales,
@@ -93,32 +94,32 @@ class SelectionCallbackExample extends StatefulWidget {
// We need a Stateful widget to build the selection details with the current
// selection as the state.
@override
State<StatefulWidget> createState() => new _SelectionCallbackState();
State<StatefulWidget> createState() => _SelectionCallbackState();
/// Create one series with sample hard coded data.
static List<charts.Series<TimeSeriesSales, DateTime>> _createSampleData() {
final usData = [
new TimeSeriesSales(new DateTime(2017, 9, 19), 5),
new TimeSeriesSales(new DateTime(2017, 9, 26), 25),
new TimeSeriesSales(new DateTime(2017, 10, 3), 78),
new TimeSeriesSales(new DateTime(2017, 10, 10), 54),
TimeSeriesSales(DateTime(2017, 9, 19), 5),
TimeSeriesSales(DateTime(2017, 9, 26), 25),
TimeSeriesSales(DateTime(2017, 10, 3), 78),
TimeSeriesSales(DateTime(2017, 10, 10), 54),
];
final ukData = [
new TimeSeriesSales(new DateTime(2017, 9, 19), 15),
new TimeSeriesSales(new DateTime(2017, 9, 26), 33),
new TimeSeriesSales(new DateTime(2017, 10, 3), 68),
new TimeSeriesSales(new DateTime(2017, 10, 10), 48),
TimeSeriesSales(DateTime(2017, 9, 19), 15),
TimeSeriesSales(DateTime(2017, 9, 26), 33),
TimeSeriesSales(DateTime(2017, 10, 3), 68),
TimeSeriesSales(DateTime(2017, 10, 10), 48),
];
return [
new charts.Series<TimeSeriesSales, DateTime>(
charts.Series<TimeSeriesSales, DateTime>(
id: 'US Sales',
domainFn: (TimeSeriesSales sales, _) => sales.time,
measureFn: (TimeSeriesSales sales, _) => sales.sales,
data: usData,
),
new charts.Series<TimeSeriesSales, DateTime>(
charts.Series<TimeSeriesSales, DateTime>(
id: 'UK Sales',
domainFn: (TimeSeriesSales sales, _) => sales.time,
measureFn: (TimeSeriesSales sales, _) => sales.sales,
@@ -148,9 +149,9 @@ class _SelectionCallbackState extends State<SelectionCallbackExample> {
// series name for each selection point.
if (selectedDatum.isNotEmpty) {
time = selectedDatum.first.datum.time;
selectedDatum.forEach((charts.SeriesDatum datumPair) {
for (var datumPair in selectedDatum) {
measures[datumPair.series.displayName] = datumPair.datum.sales;
});
}
}
// Request a build.
@@ -164,13 +165,13 @@ class _SelectionCallbackState extends State<SelectionCallbackExample> {
Widget build(BuildContext context) {
// The children consist of a Chart and Text widgets below to hold the info.
final children = <Widget>[
new SizedBox(
SizedBox(
height: 150.0,
child: new charts.TimeSeriesChart(
child: charts.TimeSeriesChart(
widget.seriesList,
animate: widget.animate,
selectionModels: [
new charts.SelectionModelConfig(
charts.SelectionModelConfig(
type: charts.SelectionModelType.info,
changedListener: _onSelectionChanged,
)
@@ -180,15 +181,15 @@ class _SelectionCallbackState extends State<SelectionCallbackExample> {
// If there is a selection, then include the details.
if (_time != null) {
children.add(new Padding(
padding: new EdgeInsets.only(top: 5.0),
child: new Text(_time.toString())));
children.add(Padding(
padding: const EdgeInsets.only(top: 5.0),
child: Text(_time.toString())));
}
_measures?.forEach((String series, num value) {
children.add(new Text('$series: $value'));
children.add(Text('$series: $value'));
});
return new Column(children: children);
return Column(children: children);
}
}