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web/chart: fix sample (#909)
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@@ -24,11 +24,12 @@ class SimpleTimeSeriesChart extends StatelessWidget {
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final List<charts.Series> seriesList;
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final bool animate;
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SimpleTimeSeriesChart(this.seriesList, {this.animate});
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const SimpleTimeSeriesChart(this.seriesList, {this.animate, Key key})
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: super(key: key);
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/// Creates a [TimeSeriesChart] with sample data and no transition.
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factory SimpleTimeSeriesChart.withSampleData() {
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return new SimpleTimeSeriesChart(
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return SimpleTimeSeriesChart(
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_createSampleData(),
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// Disable animations for image tests.
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animate: false,
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@@ -40,22 +41,22 @@ class SimpleTimeSeriesChart extends StatelessWidget {
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// It is used for creating random series data to demonstrate animation in
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// the example app only.
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factory SimpleTimeSeriesChart.withRandomData() {
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return new SimpleTimeSeriesChart(_createRandomData());
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return SimpleTimeSeriesChart(_createRandomData());
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}
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/// Create random data.
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static List<charts.Series<TimeSeriesSales, DateTime>> _createRandomData() {
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final random = new Random();
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final random = Random();
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final data = [
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new TimeSeriesSales(new DateTime(2017, 9, 19), random.nextInt(100)),
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new TimeSeriesSales(new DateTime(2017, 9, 26), random.nextInt(100)),
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new TimeSeriesSales(new DateTime(2017, 10, 3), random.nextInt(100)),
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new TimeSeriesSales(new DateTime(2017, 10, 10), random.nextInt(100)),
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TimeSeriesSales(DateTime(2017, 9, 19), random.nextInt(100)),
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TimeSeriesSales(DateTime(2017, 9, 26), random.nextInt(100)),
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TimeSeriesSales(DateTime(2017, 10, 3), random.nextInt(100)),
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TimeSeriesSales(DateTime(2017, 10, 10), random.nextInt(100)),
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];
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return [
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new charts.Series<TimeSeriesSales, DateTime>(
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charts.Series<TimeSeriesSales, DateTime>(
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id: 'Sales',
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colorFn: (_, __) => charts.MaterialPalette.blue.shadeDefault,
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domainFn: (TimeSeriesSales sales, _) => sales.time,
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@@ -68,7 +69,7 @@ class SimpleTimeSeriesChart extends StatelessWidget {
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@override
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Widget build(BuildContext context) {
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return new charts.TimeSeriesChart(
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return charts.TimeSeriesChart(
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seriesList,
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animate: animate,
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// Optionally pass in a [DateTimeFactory] used by the chart. The factory
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@@ -81,14 +82,14 @@ class SimpleTimeSeriesChart extends StatelessWidget {
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/// Create one series with sample hard coded data.
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static List<charts.Series<TimeSeriesSales, DateTime>> _createSampleData() {
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final data = [
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new TimeSeriesSales(new DateTime(2017, 9, 19), 5),
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new TimeSeriesSales(new DateTime(2017, 9, 26), 25),
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new TimeSeriesSales(new DateTime(2017, 10, 3), 100),
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new TimeSeriesSales(new DateTime(2017, 10, 10), 75),
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TimeSeriesSales(DateTime(2017, 9, 19), 5),
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TimeSeriesSales(DateTime(2017, 9, 26), 25),
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TimeSeriesSales(DateTime(2017, 10, 3), 100),
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TimeSeriesSales(DateTime(2017, 10, 10), 75),
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];
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return [
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new charts.Series<TimeSeriesSales, DateTime>(
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charts.Series<TimeSeriesSales, DateTime>(
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id: 'Sales',
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colorFn: (_, __) => charts.MaterialPalette.blue.shadeDefault,
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domainFn: (TimeSeriesSales sales, _) => sales.time,
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