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web/chart: fix sample (#909)
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@@ -39,10 +39,12 @@ class HorizontalBarChartWithSecondaryAxis extends StatelessWidget {
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final List<charts.Series> seriesList;
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final bool animate;
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HorizontalBarChartWithSecondaryAxis(this.seriesList, {this.animate});
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const HorizontalBarChartWithSecondaryAxis(this.seriesList,
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{this.animate, Key key})
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: super(key: key);
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factory HorizontalBarChartWithSecondaryAxis.withSampleData() {
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return new HorizontalBarChartWithSecondaryAxis(
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return HorizontalBarChartWithSecondaryAxis(
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_createSampleData(),
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// Disable animations for image tests.
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animate: false,
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@@ -54,35 +56,35 @@ class HorizontalBarChartWithSecondaryAxis 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 HorizontalBarChartWithSecondaryAxis.withRandomData() {
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return new HorizontalBarChartWithSecondaryAxis(_createRandomData());
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return HorizontalBarChartWithSecondaryAxis(_createRandomData());
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}
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/// Create random data.
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static List<charts.Series<OrdinalSales, String>> _createRandomData() {
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final random = new Random();
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final random = Random();
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final globalSalesData = [
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new OrdinalSales('2014', random.nextInt(100) * 100),
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new OrdinalSales('2015', random.nextInt(100) * 100),
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new OrdinalSales('2016', random.nextInt(100) * 100),
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new OrdinalSales('2017', random.nextInt(100) * 100),
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OrdinalSales('2014', random.nextInt(100) * 100),
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OrdinalSales('2015', random.nextInt(100) * 100),
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OrdinalSales('2016', random.nextInt(100) * 100),
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OrdinalSales('2017', random.nextInt(100) * 100),
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];
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final losAngelesSalesData = [
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new OrdinalSales('2014', random.nextInt(100)),
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new OrdinalSales('2015', random.nextInt(100)),
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new OrdinalSales('2016', random.nextInt(100)),
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new OrdinalSales('2017', random.nextInt(100)),
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OrdinalSales('2014', random.nextInt(100)),
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OrdinalSales('2015', random.nextInt(100)),
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OrdinalSales('2016', random.nextInt(100)),
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OrdinalSales('2017', random.nextInt(100)),
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];
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return [
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new charts.Series<OrdinalSales, String>(
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charts.Series<OrdinalSales, String>(
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id: 'Global Revenue',
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domainFn: (OrdinalSales sales, _) => sales.year,
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measureFn: (OrdinalSales sales, _) => sales.sales,
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data: globalSalesData,
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),
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new charts.Series<OrdinalSales, String>(
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charts.Series<OrdinalSales, String>(
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id: 'Los Angeles Revenue',
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domainFn: (OrdinalSales sales, _) => sales.year,
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measureFn: (OrdinalSales sales, _) => sales.sales,
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@@ -98,7 +100,7 @@ class HorizontalBarChartWithSecondaryAxis extends StatelessWidget {
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@override
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Widget build(BuildContext context) {
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// For horizontal bar charts, set the [vertical] flag to false.
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return new charts.BarChart(
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return charts.BarChart(
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seriesList,
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animate: animate,
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barGroupingType: charts.BarGroupingType.grouped,
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@@ -106,39 +108,39 @@ class HorizontalBarChartWithSecondaryAxis extends StatelessWidget {
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// It is important when using both primary and secondary axes to choose
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// the same number of ticks for both sides to get the gridlines to line
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// up.
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primaryMeasureAxis: new charts.NumericAxisSpec(
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primaryMeasureAxis: const charts.NumericAxisSpec(
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tickProviderSpec:
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new charts.BasicNumericTickProviderSpec(desiredTickCount: 3)),
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secondaryMeasureAxis: new charts.NumericAxisSpec(
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charts.BasicNumericTickProviderSpec(desiredTickCount: 3)),
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secondaryMeasureAxis: const charts.NumericAxisSpec(
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tickProviderSpec:
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new charts.BasicNumericTickProviderSpec(desiredTickCount: 3)),
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charts.BasicNumericTickProviderSpec(desiredTickCount: 3)),
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);
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}
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/// Create series list with multiple series
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static List<charts.Series<OrdinalSales, String>> _createSampleData() {
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final globalSalesData = [
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new OrdinalSales('2014', 5000),
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new OrdinalSales('2015', 25000),
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new OrdinalSales('2016', 100000),
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new OrdinalSales('2017', 750000),
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OrdinalSales('2014', 5000),
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OrdinalSales('2015', 25000),
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OrdinalSales('2016', 100000),
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OrdinalSales('2017', 750000),
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];
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final losAngelesSalesData = [
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new OrdinalSales('2014', 25),
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new OrdinalSales('2015', 50),
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new OrdinalSales('2016', 10),
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new OrdinalSales('2017', 20),
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OrdinalSales('2014', 25),
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OrdinalSales('2015', 50),
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OrdinalSales('2016', 10),
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OrdinalSales('2017', 20),
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];
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return [
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new charts.Series<OrdinalSales, String>(
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charts.Series<OrdinalSales, String>(
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id: 'Global Revenue',
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domainFn: (OrdinalSales sales, _) => sales.year,
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measureFn: (OrdinalSales sales, _) => sales.sales,
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data: globalSalesData,
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),
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new charts.Series<OrdinalSales, String>(
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charts.Series<OrdinalSales, String>(
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id: 'Los Angeles Revenue',
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domainFn: (OrdinalSales sales, _) => sales.year,
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measureFn: (OrdinalSales sales, _) => sales.sales,
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