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web/chart: fix sample (#909)

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

View File

@@ -22,11 +22,12 @@ class SelectionLineHighlight extends StatelessWidget {
final List<charts.Series> seriesList;
final bool animate;
SelectionLineHighlight(this.seriesList, {this.animate});
const SelectionLineHighlight(this.seriesList, {this.animate, Key key})
: super(key: key);
/// Creates a [LineChart] with sample data and no transition.
factory SelectionLineHighlight.withSampleData() {
return new SelectionLineHighlight(
return SelectionLineHighlight(
_createSampleData(),
// Disable animations for image tests.
animate: false,
@@ -38,22 +39,22 @@ class SelectionLineHighlight extends StatelessWidget {
// It is used for creating random series data to demonstrate animation in
// the example app only.
factory SelectionLineHighlight.withRandomData() {
return new SelectionLineHighlight(_createRandomData());
return SelectionLineHighlight(_createRandomData());
}
/// Create random data.
static List<charts.Series<LinearSales, num>> _createRandomData() {
final random = new Random();
final random = Random();
final data = [
new LinearSales(0, random.nextInt(100)),
new LinearSales(1, random.nextInt(100)),
new LinearSales(2, random.nextInt(100)),
new LinearSales(3, random.nextInt(100)),
LinearSales(0, random.nextInt(100)),
LinearSales(1, random.nextInt(100)),
LinearSales(2, random.nextInt(100)),
LinearSales(3, random.nextInt(100)),
];
return [
new charts.Series<LinearSales, int>(
charts.Series<LinearSales, int>(
id: 'Sales',
domainFn: (LinearSales sales, _) => sales.year,
measureFn: (LinearSales sales, _) => sales.sales,
@@ -75,7 +76,7 @@ class SelectionLineHighlight extends StatelessWidget {
//
// As an alternative, [defaultInteractions] can be set to true to include
// the default chart interactions, including a LinePointHighlighter.
return new charts.LineChart(seriesList, animate: animate, behaviors: [
return charts.LineChart(seriesList, animate: animate, behaviors: [
// Optional - Configures a [LinePointHighlighter] behavior with a
// vertical follow line. A vertical follow line is included by
// default, but is shown here as an example configuration.
@@ -84,7 +85,7 @@ class SelectionLineHighlight extends StatelessWidget {
// set by providing a [dashPattern] or it can be turned off by passing in
// an empty list. An empty list is necessary because passing in a null
// value will be treated the same as not passing in a value at all.
new charts.LinePointHighlighter(
charts.LinePointHighlighter(
showHorizontalFollowLine:
charts.LinePointHighlighterFollowLineType.none,
showVerticalFollowLine:
@@ -94,21 +95,21 @@ class SelectionLineHighlight extends StatelessWidget {
// highlighter. Changing the trigger to tap and drag allows the
// highlighter to follow the dragging gesture but it is not
// recommended to be used when pan/zoom behavior is enabled.
new charts.SelectNearest(eventTrigger: charts.SelectionTrigger.tapAndDrag)
charts.SelectNearest(eventTrigger: charts.SelectionTrigger.tapAndDrag)
]);
}
/// Create one series with sample hard coded data.
static List<charts.Series<LinearSales, int>> _createSampleData() {
final data = [
new LinearSales(0, 5),
new LinearSales(1, 25),
new LinearSales(2, 100),
new LinearSales(3, 75),
LinearSales(0, 5),
LinearSales(1, 25),
LinearSales(2, 100),
LinearSales(3, 75),
];
return [
new charts.Series<LinearSales, int>(
charts.Series<LinearSales, int>(
id: 'Sales',
domainFn: (LinearSales sales, _) => sales.year,
measureFn: (LinearSales sales, _) => sales.sales,