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web/chart: fix sample (#909)
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@@ -22,11 +22,12 @@ class SelectionBarHighlight extends StatelessWidget {
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final List<charts.Series> seriesList;
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final bool animate;
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SelectionBarHighlight(this.seriesList, {this.animate});
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const SelectionBarHighlight(this.seriesList, {this.animate, Key key})
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: super(key: key);
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/// Creates a [BarChart] with sample data and no transition.
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factory SelectionBarHighlight.withSampleData() {
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return new SelectionBarHighlight(
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return SelectionBarHighlight(
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_createSampleData(),
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// Disable animations for image tests.
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animate: false,
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@@ -38,22 +39,22 @@ class SelectionBarHighlight 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 SelectionBarHighlight.withRandomData() {
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return new SelectionBarHighlight(_createRandomData());
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return SelectionBarHighlight(_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 data = [
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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: 'Sales',
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domainFn: (OrdinalSales sales, _) => sales.year,
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measureFn: (OrdinalSales sales, _) => sales.sales,
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@@ -74,7 +75,7 @@ class SelectionBarHighlight extends StatelessWidget {
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//
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// [defaultInteractions] can be set to false to avoid the default
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// interactions.
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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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defaultInteractions: true,
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@@ -84,14 +85,14 @@ class SelectionBarHighlight extends StatelessWidget {
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/// Create one series with sample hard coded data.
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static List<charts.Series<OrdinalSales, String>> _createSampleData() {
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final data = [
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new OrdinalSales('2014', 5),
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new OrdinalSales('2015', 25),
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new OrdinalSales('2016', 100),
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new OrdinalSales('2017', 75),
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OrdinalSales('2014', 5),
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OrdinalSales('2015', 25),
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OrdinalSales('2016', 100),
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OrdinalSales('2017', 75),
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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: 'Sales',
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domainFn: (OrdinalSales sales, _) => sales.year,
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measureFn: (OrdinalSales sales, _) => sales.sales,
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