Add flutter_web samples (#75)

2026-03-29 15:51:47 +00:00 · 2019-05-07 13:32:08 -07:00
parent 42f2dce01b
commit 3fe927cb29
697 changed files with 241026 additions and 0 deletions
--- a/web/charts/flutter/lib/src/combo_chart/combo_chart.dart
+++ b/web/charts/flutter/lib/src/combo_chart/combo_chart.dart
@@ -0,0 +1,122 @@
+// 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 'package:charts_common/common.dart' as common
+    show
+        AxisSpec,
+        NumericCartesianChart,
+        OrdinalCartesianChart,
+        RTLSpec,
+        Series,
+        SeriesRendererConfig;
+import '../behaviors/chart_behavior.dart' show ChartBehavior;
+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;
+
+/// A numeric combo chart supports rendering each series of data with different
+/// series renderers.
+///
+/// Note that if you have DateTime data, you should use [TimeSeriesChart]. We do
+/// not expose a separate DateTimeComboChart because it would just be a copy of
+/// that chart.
+class NumericComboChart extends CartesianChart<num> {
+  NumericComboChart(
+    List<common.Series> seriesList, {
+    bool animate,
+    Duration animationDuration,
+    common.AxisSpec domainAxis,
+    common.AxisSpec primaryMeasureAxis,
+    common.AxisSpec secondaryMeasureAxis,
+    common.SeriesRendererConfig<num> defaultRenderer,
+    List<common.SeriesRendererConfig<num>> customSeriesRenderers,
+    List<ChartBehavior> behaviors,
+    List<SelectionModelConfig<num>> selectionModels,
+    common.RTLSpec rtlSpec,
+    LayoutConfig layoutConfig,
+    bool defaultInteractions: true,
+  }) : super(
+          seriesList,
+          animate: animate,
+          animationDuration: animationDuration,
+          domainAxis: domainAxis,
+          primaryMeasureAxis: primaryMeasureAxis,
+          secondaryMeasureAxis: secondaryMeasureAxis,
+          defaultRenderer: defaultRenderer,
+          customSeriesRenderers: customSeriesRenderers,
+          behaviors: behaviors,
+          selectionModels: selectionModels,
+          rtlSpec: rtlSpec,
+          layoutConfig: layoutConfig,
+          defaultInteractions: defaultInteractions,
+        );
+
+  @override
+  common.NumericCartesianChart 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.NumericCartesianChart(
+        layoutConfig: layoutConfig?.commonLayoutConfig,
+        primaryMeasureAxis: primaryMeasureAxis?.createAxis(),
+        secondaryMeasureAxis: secondaryMeasureAxis?.createAxis());
+  }
+}
+
+/// An ordinal combo chart supports rendering each series of data with different
+/// series renderers.
+class OrdinalComboChart extends CartesianChart<String> {
+  OrdinalComboChart(
+    List<common.Series> seriesList, {
+    bool animate,
+    Duration animationDuration,
+    common.AxisSpec domainAxis,
+    common.AxisSpec primaryMeasureAxis,
+    common.AxisSpec secondaryMeasureAxis,
+    common.SeriesRendererConfig<String> defaultRenderer,
+    List<common.SeriesRendererConfig<String>> customSeriesRenderers,
+    List<ChartBehavior> behaviors,
+    List<SelectionModelConfig<String>> selectionModels,
+    common.RTLSpec rtlSpec,
+    LayoutConfig layoutConfig,
+    bool defaultInteractions: true,
+  }) : super(
+          seriesList,
+          animate: animate,
+          animationDuration: animationDuration,
+          domainAxis: domainAxis,
+          primaryMeasureAxis: primaryMeasureAxis,
+          secondaryMeasureAxis: secondaryMeasureAxis,
+          defaultRenderer: defaultRenderer,
+          customSeriesRenderers: customSeriesRenderers,
+          behaviors: behaviors,
+          selectionModels: selectionModels,
+          rtlSpec: rtlSpec,
+          layoutConfig: layoutConfig,
+          defaultInteractions: defaultInteractions,
+        );
+
+  @override
+  common.OrdinalCartesianChart 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.OrdinalCartesianChart(
+        layoutConfig: layoutConfig?.commonLayoutConfig,
+        primaryMeasureAxis: primaryMeasureAxis?.createAxis(),
+        secondaryMeasureAxis: secondaryMeasureAxis?.createAxis());
+  }
+}