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web/chart: fix sample (#909)
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@@ -37,10 +37,11 @@ class StaticallyProvidedTicks extends StatelessWidget {
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final List<charts.Series> seriesList;
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final bool animate;
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StaticallyProvidedTicks(this.seriesList, {this.animate});
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const StaticallyProvidedTicks(this.seriesList, {this.animate, Key key})
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: super(key: key);
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factory StaticallyProvidedTicks.withSampleData() {
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return new StaticallyProvidedTicks(
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return StaticallyProvidedTicks(
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_createSampleData(),
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// Disable animations for image tests.
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animate: false,
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@@ -52,22 +53,22 @@ class StaticallyProvidedTicks 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 StaticallyProvidedTicks.withRandomData() {
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return new StaticallyProvidedTicks(_createRandomData());
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return StaticallyProvidedTicks(_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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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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@@ -81,41 +82,40 @@ class StaticallyProvidedTicks extends StatelessWidget {
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Widget build(BuildContext context) {
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// Create the ticks to be used the domain axis.
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final staticTicks = <charts.TickSpec<String>>[
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new charts.TickSpec(
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const charts.TickSpec(
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// Value must match the domain value.
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'2014',
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// Optional label for this tick, defaults to domain value if not set.
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label: 'Year 2014',
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// The styling for this tick.
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style: new charts.TextStyleSpec(
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color: new charts.Color(r: 0x4C, g: 0xAF, b: 0x50))),
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style: charts.TextStyleSpec(
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color: charts.Color(r: 0x4C, g: 0xAF, b: 0x50))),
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// If no text style is specified - the style from renderSpec will be used
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// if one is specified.
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new charts.TickSpec('2015'),
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new charts.TickSpec('2016'),
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new charts.TickSpec('2017'),
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const charts.TickSpec('2015'),
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const charts.TickSpec('2016'),
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const charts.TickSpec('2017'),
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];
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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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domainAxis: new charts.OrdinalAxisSpec(
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tickProviderSpec:
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new charts.StaticOrdinalTickProviderSpec(staticTicks)),
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domainAxis: charts.OrdinalAxisSpec(
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tickProviderSpec: charts.StaticOrdinalTickProviderSpec(staticTicks)),
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);
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}
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/// Create series list with single 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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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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