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mirror of https://github.com/flutter/samples.git synced 2026-04-25 08:22:16 +00:00

web/charts: Migrate to null safety (#921)

This commit is contained in:
Brett Morgan
2021-10-08 16:39:37 +11:00
committed by GitHub
parent d14e79b833
commit 8932e60976
106 changed files with 355 additions and 346 deletions

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@@ -36,10 +36,10 @@ import 'package:charts_flutter/flutter.dart' as charts;
/// RTL.flipAxisLocations is set.
class BarChartWithSecondaryAxis extends StatelessWidget {
static const secondaryMeasureAxisId = 'secondaryMeasureAxisId';
final List<charts.Series> seriesList;
final bool animate;
final List<charts.Series<dynamic, String>> seriesList;
final bool? animate;
const BarChartWithSecondaryAxis(this.seriesList, {this.animate, Key key})
const BarChartWithSecondaryAxis(this.seriesList, {this.animate, Key? key})
: super(key: key);
factory BarChartWithSecondaryAxis.withSampleData() {

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@@ -30,10 +30,10 @@ import 'package:charts_flutter/flutter.dart' as charts;
/// RTL.flipAxisLocations is set.
class BarChartWithSecondaryAxisOnly extends StatelessWidget {
static const secondaryMeasureAxisId = 'secondaryMeasureAxisId';
final List<charts.Series> seriesList;
final bool animate;
final List<charts.Series<dynamic, String>> seriesList;
final bool? animate;
const BarChartWithSecondaryAxisOnly(this.seriesList, {this.animate, Key key})
const BarChartWithSecondaryAxisOnly(this.seriesList, {this.animate, Key? key})
: super(key: key);
factory BarChartWithSecondaryAxisOnly.withSampleData() {

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@@ -22,10 +22,10 @@ import 'package:flutter/material.dart';
import 'package:intl/intl.dart';
class CustomAxisTickFormatters extends StatelessWidget {
final List<charts.Series> seriesList;
final bool animate;
final List<charts.Series<dynamic, DateTime>> seriesList;
final bool? animate;
const CustomAxisTickFormatters(this.seriesList, {this.animate, Key key})
const CustomAxisTickFormatters(this.seriesList, {this.animate, Key? key})
: super(key: key);
/// Creates a [TimeSeriesChart] with sample data and no transition.

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@@ -26,10 +26,10 @@ import 'package:charts_flutter/flutter.dart' as charts;
/// There are many axis styling options in the SmallTickRenderer allowing you
/// to customize the font, tick lengths, and offsets.
class CustomFontSizeAndColor extends StatelessWidget {
final List<charts.Series> seriesList;
final bool animate;
final List<charts.Series<dynamic, String>> seriesList;
final bool? animate;
const CustomFontSizeAndColor(this.seriesList, {this.animate, Key key})
const CustomFontSizeAndColor(this.seriesList, {this.animate, Key? key})
: super(key: key);
factory CustomFontSizeAndColor.withSampleData() {

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@@ -25,10 +25,10 @@ import 'package:charts_flutter/flutter.dart' as charts;
import 'package:flutter/material.dart';
class CustomMeasureTickCount extends StatelessWidget {
final List<charts.Series> seriesList;
final bool animate;
final List<charts.Series<dynamic, DateTime>> seriesList;
final bool? animate;
const CustomMeasureTickCount(this.seriesList, {this.animate, Key key})
const CustomMeasureTickCount(this.seriesList, {this.animate, Key? key})
: super(key: key);
/// Creates a [TimeSeriesChart] with sample data and no transition.

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@@ -29,10 +29,10 @@ import 'package:charts_flutter/flutter.dart' as charts;
/// Note: primary and secondary may flip left and right positioning when
/// RTL.flipAxisLocations is set.
class FlippedVerticalAxis extends StatelessWidget {
final List<charts.Series> seriesList;
final bool animate;
final List<charts.Series<dynamic, String>> seriesList;
final bool? animate;
const FlippedVerticalAxis(this.seriesList, {this.animate, Key key})
const FlippedVerticalAxis(this.seriesList, {this.animate, Key? key})
: super(key: key);
factory FlippedVerticalAxis.withSampleData() {

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@@ -21,10 +21,10 @@ import 'package:charts_flutter/flutter.dart' as charts;
import 'package:flutter/material.dart';
class GridlineDashPattern extends StatelessWidget {
final List<charts.Series> seriesList;
final bool animate;
final List<charts.Series<dynamic, DateTime>> seriesList;
final bool? animate;
const GridlineDashPattern(this.seriesList, {this.animate, Key key})
const GridlineDashPattern(this.seriesList, {this.animate, Key? key})
: super(key: key);
/// Creates a [TimeSeriesChart] with sample data and no transition.

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@@ -22,10 +22,10 @@ import 'package:charts_flutter/flutter.dart' as charts;
/// Example of hiding both axis.
class HiddenTicksAndLabelsAxis extends StatelessWidget {
final List<charts.Series> seriesList;
final bool animate;
final List<charts.Series<dynamic, String>> seriesList;
final bool? animate;
const HiddenTicksAndLabelsAxis(this.seriesList, {this.animate, Key key})
const HiddenTicksAndLabelsAxis(this.seriesList, {this.animate, Key? key})
: super(key: key);
factory HiddenTicksAndLabelsAxis.withSampleData() {

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@@ -36,11 +36,11 @@ import 'package:charts_flutter/flutter.dart' as charts;
/// RTL.flipAxisLocations is set.
class HorizontalBarChartWithSecondaryAxis extends StatelessWidget {
static const secondaryMeasureAxisId = 'secondaryMeasureAxisId';
final List<charts.Series> seriesList;
final bool animate;
final List<charts.Series<dynamic, String>> seriesList;
final bool? animate;
const HorizontalBarChartWithSecondaryAxis(this.seriesList,
{this.animate, Key key})
{this.animate, Key? key})
: super(key: key);
factory HorizontalBarChartWithSecondaryAxis.withSampleData() {

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@@ -26,10 +26,10 @@ import 'package:charts_flutter/flutter.dart' as charts;
import 'package:flutter/material.dart';
class IntegerOnlyMeasureAxis extends StatelessWidget {
final List<charts.Series> seriesList;
final bool animate;
final List<charts.Series<dynamic, DateTime>> seriesList;
final bool? animate;
const IntegerOnlyMeasureAxis(this.seriesList, {this.animate, Key key})
const IntegerOnlyMeasureAxis(this.seriesList, {this.animate, Key? key})
: super(key: key);
/// Creates a [TimeSeriesChart] with sample data and no transition.

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@@ -28,10 +28,10 @@ import 'package:charts_flutter/flutter.dart' as charts;
import 'package:flutter/material.dart';
class DisjointMeasureAxisLineChart extends StatelessWidget {
final List<charts.Series> seriesList;
final bool animate;
final List<charts.Series<dynamic, num>> seriesList;
final bool? animate;
const DisjointMeasureAxisLineChart(this.seriesList, {this.animate, Key key})
const DisjointMeasureAxisLineChart(this.seriesList, {this.animate, Key? key})
: super(key: key);
/// Creates a [LineChart] with sample data and no transition.
@@ -263,8 +263,8 @@ class DisjointMeasureAxisLineChart extends StatelessWidget {
/// Sample linear data type.
class LinearClicks {
final int year;
final int clickCount;
final double clickRate;
final int? clickCount;
final double? clickRate;
LinearClicks(this.year, {this.clickCount, this.clickRate});
}

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@@ -23,10 +23,10 @@ import 'package:charts_flutter/flutter.dart' as charts;
/// Example of using a custom primary measure replacing the renderSpec with one
/// that aligns the text under the tick and left justifies.
class MeasureAxisLabelAlignment extends StatelessWidget {
final List<charts.Series> seriesList;
final bool animate;
final List<charts.Series<dynamic, String>> seriesList;
final bool? animate;
const MeasureAxisLabelAlignment(this.seriesList, {this.animate, Key key})
const MeasureAxisLabelAlignment(this.seriesList, {this.animate, Key? key})
: super(key: key);
factory MeasureAxisLabelAlignment.withSampleData() {

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@@ -22,10 +22,10 @@ import 'package:charts_flutter/flutter.dart' as charts;
import 'package:flutter/material.dart';
class NonzeroBoundMeasureAxis extends StatelessWidget {
final List<charts.Series> seriesList;
final bool animate;
final List<charts.Series<dynamic, DateTime>> seriesList;
final bool? animate;
const NonzeroBoundMeasureAxis(this.seriesList, {this.animate, Key key})
const NonzeroBoundMeasureAxis(this.seriesList, {this.animate, Key? key})
: super(key: key);
/// Creates a [TimeSeriesChart] with sample data and no transition.

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@@ -29,10 +29,10 @@ import 'package:charts_flutter/flutter.dart' as charts;
import 'package:flutter/material.dart';
class NumericInitialViewport extends StatelessWidget {
final List<charts.Series> seriesList;
final bool animate;
final List<charts.Series<dynamic, num>> seriesList;
final bool? animate;
const NumericInitialViewport(this.seriesList, {this.animate, Key key})
const NumericInitialViewport(this.seriesList, {this.animate, Key? key})
: super(key: key);
/// Creates a [LineChart] with sample data and no transition.

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@@ -29,10 +29,10 @@ import 'package:charts_flutter/flutter.dart' as charts;
import 'package:flutter/material.dart';
class OrdinalInitialViewport extends StatelessWidget {
final List<charts.Series> seriesList;
final bool animate;
final List<charts.Series<dynamic, String>> seriesList;
final bool? animate;
const OrdinalInitialViewport(this.seriesList, {this.animate, Key key})
const OrdinalInitialViewport(this.seriesList, {this.animate, Key? key})
: super(key: key);
/// Creates a [BarChart] with sample data and no transition.

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@@ -27,10 +27,10 @@ import 'package:charts_flutter/flutter.dart' as charts;
/// There are many axis styling options in the SmallTickRenderer allowing you
/// to customize the font, tick lengths, and offsets.
class ShortTickLengthAxis extends StatelessWidget {
final List<charts.Series> seriesList;
final bool animate;
final List<charts.Series<dynamic, String>> seriesList;
final bool? animate;
const ShortTickLengthAxis(this.seriesList, {this.animate, Key key})
const ShortTickLengthAxis(this.seriesList, {this.animate, Key? key})
: super(key: key);
factory ShortTickLengthAxis.withSampleData() {

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@@ -34,10 +34,10 @@ import 'package:charts_flutter/flutter.dart' as charts;
/// For datetime axis, the [StaticDateTimeTickProviderSpec] can be used by
/// passing in a list of ticks defined with [TickSpec] of datetime.
class StaticallyProvidedTicks extends StatelessWidget {
final List<charts.Series> seriesList;
final bool animate;
final List<charts.Series<dynamic, String>> seriesList;
final bool? animate;
const StaticallyProvidedTicks(this.seriesList, {this.animate, Key key})
const StaticallyProvidedTicks(this.seriesList, {this.animate, Key? key})
: super(key: key);
factory StaticallyProvidedTicks.withSampleData() {