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Code Issues Releases Wiki Activity

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

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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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6
web/charts/lib/behaviors/chart_title.dart
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@@ -23,10 +23,10 @@ import 'package:flutter/material.dart';
/// A series of [ChartTitle] behaviors are used to render titles, one per
/// margin.
class ChartTitleLine extends StatelessWidget {
final List<charts.Series> seriesList;
final bool animate;
final List<charts.Series<dynamic, num>> seriesList;
final bool? animate;
const ChartTitleLine(this.seriesList, {this.animate, Key key})
const ChartTitleLine(this.seriesList, {this.animate, Key? key})
: super(key: key);
/// Creates a [LineChart] with sample data and no transition.

6
web/charts/lib/behaviors/initial_hint_animation.dart
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@@ -48,10 +48,10 @@ import 'package:charts_flutter/flutter.dart' as charts;
import 'package:flutter/material.dart';
class InitialHintAnimation extends StatelessWidget {
final List<charts.Series> seriesList;
final bool animate;
final List<charts.Series<dynamic, String>> seriesList;
final bool? animate;
const InitialHintAnimation(this.seriesList, {this.animate, Key key})
const InitialHintAnimation(this.seriesList, {this.animate, Key? key})
: super(key: key);
/// Creates a [BarChart] with sample data and no transition.

6
web/charts/lib/behaviors/initial_selection.dart
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@@ -31,10 +31,10 @@ import 'package:charts_flutter/flutter.dart' as charts;
import 'package:flutter/material.dart';
class InitialSelection extends StatelessWidget {
final List<charts.Series> seriesList;
final bool animate;
final List<charts.Series<dynamic, String>> seriesList;
final bool? animate;
const InitialSelection(this.seriesList, {this.animate, Key key})
const InitialSelection(this.seriesList, {this.animate, Key? key})
: super(key: key);
/// Creates a [BarChart] with initial selection behavior.

6
web/charts/lib/behaviors/percent_of_domain.dart
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@@ -24,10 +24,10 @@ import 'package:flutter/material.dart';
import 'package:charts_flutter/flutter.dart' as charts;
class PercentOfDomainBarChart extends StatelessWidget {
final List<charts.Series> seriesList;
final bool animate;
final List<charts.Series<dynamic, String>> seriesList;
final bool? animate;
const PercentOfDomainBarChart(this.seriesList, {this.animate, Key key})
const PercentOfDomainBarChart(this.seriesList, {this.animate, Key? key})
: super(key: key);
/// Creates a stacked [BarChart] with sample data and no transition.

6
web/charts/lib/behaviors/percent_of_domain_by_category.dart
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@@ -25,11 +25,11 @@ import 'package:flutter/material.dart';
import 'package:charts_flutter/flutter.dart' as charts;
class PercentOfDomainByCategoryBarChart extends StatelessWidget {
final List<charts.Series> seriesList;
final bool animate;
final List<charts.Series<dynamic, String>> seriesList;
final bool? animate;
const PercentOfDomainByCategoryBarChart(this.seriesList,
{this.animate, Key key})
{this.animate, Key? key})
: super(key: key);
factory PercentOfDomainByCategoryBarChart.withSampleData() {

6
web/charts/lib/behaviors/percent_of_series.dart
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@@ -22,10 +22,10 @@ import 'package:flutter/material.dart';
import 'package:charts_flutter/flutter.dart' as charts;
class PercentOfSeriesBarChart extends StatelessWidget {
final List<charts.Series> seriesList;
final bool animate;
final List<charts.Series<dynamic, String>> seriesList;
final bool? animate;
const PercentOfSeriesBarChart(this.seriesList, {this.animate, Key key})
const PercentOfSeriesBarChart(this.seriesList, {this.animate, Key? key})
: super(key: key);
/// Creates a stacked [BarChart] with sample data and no transition.

6
web/charts/lib/behaviors/selection_bar_highlight.dart
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@@ -19,10 +19,10 @@ import 'package:charts_flutter/flutter.dart' as charts;
import 'package:flutter/material.dart';
class SelectionBarHighlight extends StatelessWidget {
final List<charts.Series> seriesList;
final bool animate;
final List<charts.Series<dynamic, String>> seriesList;
final bool? animate;
const SelectionBarHighlight(this.seriesList, {this.animate, Key key})
const SelectionBarHighlight(this.seriesList, {this.animate, Key? key})
: super(key: key);
/// Creates a [BarChart] with sample data and no transition.

16
web/charts/lib/behaviors/selection_callback_example.dart
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@@ -33,10 +33,10 @@ import 'package:charts_flutter/flutter.dart' as charts;
import 'package:flutter/material.dart';
class SelectionCallbackExample extends StatefulWidget {
final List<charts.Series> seriesList;
final bool animate;
final List<charts.Series<dynamic, DateTime>> seriesList;
final bool? animate;
const SelectionCallbackExample(this.seriesList, {this.animate, Key key})
const SelectionCallbackExample(this.seriesList, {this.animate, Key? key})
: super(key: key);
/// Creates a [charts.TimeSeriesChart] with sample data and no transition.
@@ -130,8 +130,8 @@ class SelectionCallbackExample extends StatefulWidget {
}
class _SelectionCallbackState extends State<SelectionCallbackExample> {
DateTime _time;
Map<String, num> _measures;
DateTime? _time;
Map<String?, num?>? _measures;
// Listens to the underlying selection changes, and updates the information
// relevant to building the primitive legend like information under the
@@ -139,8 +139,8 @@ class _SelectionCallbackState extends State<SelectionCallbackExample> {
_onSelectionChanged(charts.SelectionModel model) {
final selectedDatum = model.selectedDatum;
DateTime time;
final measures = <String, num>{};
DateTime? time;
final measures = <String?, num?>{};
// We get the model that updated with a list of [SeriesDatum] which is
// simply a pair of series & datum.
@@ -185,7 +185,7 @@ class _SelectionCallbackState extends State<SelectionCallbackExample> {
padding: const EdgeInsets.only(top: 5.0),
child: Text(_time.toString())));
}
_measures?.forEach((String series, num value) {
_measures?.forEach((String? series, num? value) {
children.add(Text('$series: $value'));
});

6
web/charts/lib/behaviors/selection_line_highlight.dart
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@@ -19,10 +19,10 @@ import 'package:charts_flutter/flutter.dart' as charts;
import 'package:flutter/material.dart';
class SelectionLineHighlight extends StatelessWidget {
final List<charts.Series> seriesList;
final bool animate;
final List<charts.Series<dynamic, num>> seriesList;
final bool? animate;
const SelectionLineHighlight(this.seriesList, {this.animate, Key key})
const SelectionLineHighlight(this.seriesList, {this.animate, Key? key})
: super(key: key);
/// Creates a [LineChart] with sample data and no transition.

6
web/charts/lib/behaviors/selection_line_highlight_custom_shape.dart
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@@ -19,11 +19,11 @@ import 'package:charts_flutter/flutter.dart' as charts;
import 'package:flutter/material.dart';
class SelectionLineHighlightCustomShape extends StatelessWidget {
final List<charts.Series> seriesList;
final bool animate;
final List<charts.Series<dynamic, num>> seriesList;
final bool? animate;
const SelectionLineHighlightCustomShape(this.seriesList,
{this.animate, Key key})
{this.animate, Key? key})
: super(key: key);
/// Creates a [LineChart] with sample data and no transition.

12
web/charts/lib/behaviors/selection_scatter_plot_highlight.dart
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@@ -38,10 +38,10 @@ import 'package:charts_flutter/flutter.dart' as charts;
import 'package:flutter/material.dart';
class SelectionScatterPlotHighlight extends StatelessWidget {
final List<charts.Series> seriesList;
final bool animate;
final List<charts.Series<dynamic, num>> seriesList;
final bool? animate;
const SelectionScatterPlotHighlight(this.seriesList, {this.animate, Key key})
const SelectionScatterPlotHighlight(this.seriesList, {this.animate, Key? key})
: super(key: key);
/// Creates a [ScatterPlotChart] with sample data and no transition.
@@ -225,9 +225,9 @@ class LinearSales {
final int year;
final int sales;
final double radius;
final String shape;
final charts.Color fillColor;
final double strokeWidth;
final String? shape;
final charts.Color? fillColor;
final double? strokeWidth;
LinearSales(this.year, this.sales, this.radius, this.shape, this.fillColor,
this.strokeWidth);

6
web/charts/lib/behaviors/selection_user_managed.dart
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@@ -29,10 +29,10 @@ import 'package:charts_flutter/flutter.dart' as charts;
import 'package:flutter/material.dart';
class SelectionUserManaged extends StatefulWidget {
final List<charts.Series> seriesList;
final bool animate;
final List<charts.Series<dynamic, String>> seriesList;
final bool? animate;
const SelectionUserManaged(this.seriesList, {this.animate, Key key})
const SelectionUserManaged(this.seriesList, {this.animate, Key? key})
: super(key: key);
/// Creates a [BarChart] with sample data and no transition.

16
web/charts/lib/behaviors/slider.dart
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@@ -33,10 +33,10 @@ import 'package:flutter/scheduler.dart';
/// [Slider.moveSliderToDomain] can be called to programmatically position the
/// slider. This is useful for synchronizing the slider with external elements.
class SliderLine extends StatefulWidget {
final List<charts.Series> seriesList;
final bool animate;
final List<charts.Series<dynamic, num>> seriesList;
final bool? animate;
const SliderLine(this.seriesList, {this.animate, Key key}) : super(key: key);
const SliderLine(this.seriesList, {this.animate, Key? key}) : super(key: key);
/// Creates a [LineChart] with sample data and no transition.
factory SliderLine.withSampleData() {
@@ -103,9 +103,9 @@ class SliderLine extends StatefulWidget {
}
class _SliderCallbackState extends State<SliderLine> {
num _sliderDomainValue;
String _sliderDragState;
Point<int> _sliderPosition;
num? _sliderDomainValue;
String? _sliderDragState;
Point<int>? _sliderPosition;
// Handles callbacks when the user drags the slider.
_onSliderChange(Point<int> point, dynamic domain, String roleId,
@@ -119,7 +119,7 @@ class _SliderCallbackState extends State<SliderLine> {
});
}
SchedulerBinding.instance.addPostFrameCallback(rebuild);
SchedulerBinding.instance!.addPostFrameCallback(rebuild);
}
@override
@@ -175,7 +175,7 @@ class _SliderCallbackState extends State<SliderLine> {
children.add(Padding(
padding: const EdgeInsets.only(top: 5.0),
child: Text(
'Slider position: ${_sliderPosition.x}, ${_sliderPosition.y}')));
'Slider position: ${_sliderPosition!.x}, ${_sliderPosition!.y}')));
}
if (_sliderDragState != null) {
children.add(Padding(

6
web/charts/lib/behaviors/sliding_viewport_on_selection.dart
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@@ -22,10 +22,10 @@ import 'package:charts_flutter/flutter.dart' as charts;
import 'package:flutter/material.dart';
class SlidingViewportOnSelection extends StatelessWidget {
final List<charts.Series> seriesList;
final bool animate;
final List<charts.Series<dynamic, String>> seriesList;
final bool? animate;
const SlidingViewportOnSelection(this.seriesList, {this.animate, Key key})
const SlidingViewportOnSelection(this.seriesList, {this.animate, Key? key})
: super(key: key);
/// Creates a [BarChart] with sample data and no transition.