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samples/web/charts/flutter/lib/src/bar_chart.dart
2019-05-07 13:32:08 -07:00

105 lines
3.9 KiB
Dart

// Copyright 2018 the Charts project authors. Please see the AUTHORS file
// for details.
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
import 'dart:collection' show LinkedHashMap;
import 'package:charts_common/common.dart' as common
show
AxisSpec,
BarChart,
BarGroupingType,
BarRendererConfig,
BarRendererDecorator,
NumericAxisSpec,
RTLSpec,
Series,
SeriesRendererConfig;
import 'behaviors/domain_highlighter.dart' show DomainHighlighter;
import 'behaviors/chart_behavior.dart' show ChartBehavior;
import 'package:meta/meta.dart' show immutable;
import 'base_chart.dart' show LayoutConfig;
import 'base_chart_state.dart' show BaseChartState;
import 'cartesian_chart.dart' show CartesianChart;
import 'selection_model_config.dart' show SelectionModelConfig;
import 'user_managed_state.dart' show UserManagedState;
@immutable
class BarChart extends CartesianChart<String> {
final bool vertical;
final common.BarRendererDecorator barRendererDecorator;
BarChart(
List<common.Series<dynamic, String>> seriesList, {
bool animate,
Duration animationDuration,
common.AxisSpec domainAxis,
common.AxisSpec primaryMeasureAxis,
common.AxisSpec secondaryMeasureAxis,
LinkedHashMap<String, common.NumericAxisSpec> disjointMeasureAxes,
common.BarGroupingType barGroupingType,
common.BarRendererConfig<String> defaultRenderer,
List<common.SeriesRendererConfig<String>> customSeriesRenderers,
List<ChartBehavior> behaviors,
List<SelectionModelConfig<String>> selectionModels,
common.RTLSpec rtlSpec,
this.vertical: true,
bool defaultInteractions: true,
LayoutConfig layoutConfig,
UserManagedState<String> userManagedState,
this.barRendererDecorator,
bool flipVerticalAxis,
}) : super(
seriesList,
animate: animate,
animationDuration: animationDuration,
domainAxis: domainAxis,
primaryMeasureAxis: primaryMeasureAxis,
secondaryMeasureAxis: secondaryMeasureAxis,
disjointMeasureAxes: disjointMeasureAxes,
defaultRenderer: defaultRenderer ??
new common.BarRendererConfig<String>(
groupingType: barGroupingType,
barRendererDecorator: barRendererDecorator),
customSeriesRenderers: customSeriesRenderers,
behaviors: behaviors,
selectionModels: selectionModels,
rtlSpec: rtlSpec,
defaultInteractions: defaultInteractions,
layoutConfig: layoutConfig,
userManagedState: userManagedState,
flipVerticalAxis: flipVerticalAxis,
);
@override
common.BarChart createCommonChart(BaseChartState chartState) {
// Optionally create primary and secondary measure axes if the chart was
// configured with them. If no axes were configured, then the chart will
// use its default types (usually a numeric axis).
return new common.BarChart(
vertical: vertical,
layoutConfig: layoutConfig?.commonLayoutConfig,
primaryMeasureAxis: primaryMeasureAxis?.createAxis(),
secondaryMeasureAxis: secondaryMeasureAxis?.createAxis(),
disjointMeasureAxes: createDisjointMeasureAxes());
}
@override
void addDefaultInteractions(List<ChartBehavior> behaviors) {
super.addDefaultInteractions(behaviors);
behaviors.add(new DomainHighlighter());
}
}