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

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3.6 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,
DateTimeFactory,
NumericAxisSpec,
Series,
SeriesRendererConfig,
TimeSeriesChart;
import 'behaviors/chart_behavior.dart' show ChartBehavior;
import 'behaviors/line_point_highlighter.dart' show LinePointHighlighter;
import 'cartesian_chart.dart' show CartesianChart;
import 'base_chart.dart' show LayoutConfig;
import 'base_chart_state.dart' show BaseChartState;
import 'selection_model_config.dart' show SelectionModelConfig;
import 'user_managed_state.dart' show UserManagedState;
class TimeSeriesChart extends CartesianChart<DateTime> {
final common.DateTimeFactory dateTimeFactory;
/// Create a [TimeSeriesChart].
///
/// [dateTimeFactory] allows specifying a factory that creates [DateTime] to
/// be used for the time axis. If none specified, local date time is used.
TimeSeriesChart(
List<common.Series<dynamic, DateTime>> seriesList, {
bool animate,
Duration animationDuration,
common.AxisSpec domainAxis,
common.AxisSpec primaryMeasureAxis,
common.AxisSpec secondaryMeasureAxis,
LinkedHashMap<String, common.NumericAxisSpec> disjointMeasureAxes,
common.SeriesRendererConfig<DateTime> defaultRenderer,
List<common.SeriesRendererConfig<DateTime>> customSeriesRenderers,
List<ChartBehavior> behaviors,
List<SelectionModelConfig<DateTime>> selectionModels,
LayoutConfig layoutConfig,
this.dateTimeFactory,
bool defaultInteractions: true,
bool flipVerticalAxis,
UserManagedState<DateTime> userManagedState,
}) : super(
seriesList,
animate: animate,
animationDuration: animationDuration,
domainAxis: domainAxis,
primaryMeasureAxis: primaryMeasureAxis,
secondaryMeasureAxis: secondaryMeasureAxis,
disjointMeasureAxes: disjointMeasureAxes,
defaultRenderer: defaultRenderer,
customSeriesRenderers: customSeriesRenderers,
behaviors: behaviors,
selectionModels: selectionModels,
layoutConfig: layoutConfig,
defaultInteractions: defaultInteractions,
flipVerticalAxis: flipVerticalAxis,
userManagedState: userManagedState,
);
@override
common.TimeSeriesChart 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.TimeSeriesChart(
layoutConfig: layoutConfig?.commonLayoutConfig,
primaryMeasureAxis: primaryMeasureAxis?.createAxis(),
secondaryMeasureAxis: secondaryMeasureAxis?.createAxis(),
disjointMeasureAxes: createDisjointMeasureAxes());
}
@override
void addDefaultInteractions(List<ChartBehavior> behaviors) {
super.addDefaultInteractions(behaviors);
behaviors.add(new LinePointHighlighter());
}
}