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https://github.com/flutter/samples.git
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Update web/ samples to work with Flutter SDK (#134)
* add package:http dependency in dad_jokes * add package:http dependency in filipino_cuisine * don't build package:http demos until flutter/flutter#34858 is resolved * update gallery * update github_dataviz * update particle_background * don't build github_dataviz (uses package:http) * update slide_puzzle * update spinning_square * update timeflow * update vision_challenge * update charts * update dad_jokes * update filipino cuisine * ignore build output * update timeflow and vision_challenge * update slide_puzzle * don't commit build/ directory * move preview.png images to assets * fix path url join * update readme * update web/readme.md
This commit is contained in:
John Ryan
GitHub
248
web/charts/lib/bar_chart/grouped_target_line.dart
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248
web/charts/lib/bar_chart/grouped_target_line.dart
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// Copyright 2018 the Charts project authors. Please see the AUTHORS file
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// for details.
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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/// Bar chart example
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// EXCLUDE_FROM_GALLERY_DOCS_START
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import 'dart:math';
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// EXCLUDE_FROM_GALLERY_DOCS_END
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import 'package:flutter/material.dart';
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import 'package:charts_flutter/flutter.dart' as charts;
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class GroupedBarTargetLineChart extends StatelessWidget {
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final List<charts.Series> seriesList;
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final bool animate;
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GroupedBarTargetLineChart(this.seriesList, {this.animate});
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factory GroupedBarTargetLineChart.withSampleData() {
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return new GroupedBarTargetLineChart(
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_createSampleData(),
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// Disable animations for image tests.
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animate: false,
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);
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}
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// EXCLUDE_FROM_GALLERY_DOCS_START
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// This section is excluded from being copied to the gallery.
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// It is used for creating random series data to demonstrate animation in
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// the example app only.
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factory GroupedBarTargetLineChart.withRandomData() {
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return new GroupedBarTargetLineChart(_createRandomData());
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}
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/// Create random data.
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static List<charts.Series<OrdinalSales, String>> _createRandomData() {
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final random = new Random();
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final desktopSalesData = [
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new OrdinalSales('2014', random.nextInt(100)),
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new OrdinalSales('2015', random.nextInt(100)),
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new OrdinalSales('2016', random.nextInt(100)),
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new OrdinalSales('2017', random.nextInt(100)),
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];
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final tableSalesData = [
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new OrdinalSales('2014', random.nextInt(100)),
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new OrdinalSales('2015', random.nextInt(100)),
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new OrdinalSales('2016', random.nextInt(100)),
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new OrdinalSales('2017', random.nextInt(100)),
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];
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final mobileSalesData = [
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new OrdinalSales('2014', random.nextInt(100)),
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new OrdinalSales('2015', random.nextInt(100)),
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new OrdinalSales('2016', random.nextInt(100)),
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new OrdinalSales('2017', random.nextInt(100)),
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];
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final desktopTargetLineData = [
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new OrdinalSales('2014', random.nextInt(100)),
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new OrdinalSales('2015', random.nextInt(100)),
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new OrdinalSales('2016', random.nextInt(100)),
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new OrdinalSales('2017', random.nextInt(100)),
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];
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final tableTargetLineData = [
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new OrdinalSales('2014', random.nextInt(100)),
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new OrdinalSales('2015', random.nextInt(100)),
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new OrdinalSales('2016', random.nextInt(100)),
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new OrdinalSales('2017', random.nextInt(100)),
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];
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final mobileTargetLineData = [
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new OrdinalSales('2014', random.nextInt(100)),
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new OrdinalSales('2015', random.nextInt(100)),
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new OrdinalSales('2016', random.nextInt(100)),
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new OrdinalSales('2017', random.nextInt(100)),
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];
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return [
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new charts.Series<OrdinalSales, String>(
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id: 'Desktop',
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domainFn: (OrdinalSales sales, _) => sales.year,
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measureFn: (OrdinalSales sales, _) => sales.sales,
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data: desktopSalesData,
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),
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new charts.Series<OrdinalSales, String>(
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id: 'Tablet',
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domainFn: (OrdinalSales sales, _) => sales.year,
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measureFn: (OrdinalSales sales, _) => sales.sales,
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data: tableSalesData,
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),
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new charts.Series<OrdinalSales, String>(
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id: 'Mobile',
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domainFn: (OrdinalSales sales, _) => sales.year,
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measureFn: (OrdinalSales sales, _) => sales.sales,
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data: mobileSalesData,
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),
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new charts.Series<OrdinalSales, String>(
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id: 'Desktop Target Line',
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domainFn: (OrdinalSales sales, _) => sales.year,
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measureFn: (OrdinalSales sales, _) => sales.sales,
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data: desktopTargetLineData,
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)
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// Configure our custom bar target renderer for this series.
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..setAttribute(charts.rendererIdKey, 'customTargetLine'),
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new charts.Series<OrdinalSales, String>(
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id: 'Tablet Target Line',
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domainFn: (OrdinalSales sales, _) => sales.year,
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measureFn: (OrdinalSales sales, _) => sales.sales,
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data: tableTargetLineData,
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)
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// Configure our custom bar target renderer for this series.
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..setAttribute(charts.rendererIdKey, 'customTargetLine'),
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new charts.Series<OrdinalSales, String>(
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id: 'Mobile Target Line',
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domainFn: (OrdinalSales sales, _) => sales.year,
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measureFn: (OrdinalSales sales, _) => sales.sales,
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data: mobileTargetLineData,
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)
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// Configure our custom bar target renderer for this series.
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..setAttribute(charts.rendererIdKey, 'customTargetLine'),
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];
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}
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// EXCLUDE_FROM_GALLERY_DOCS_END
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@override
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Widget build(BuildContext context) {
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return new charts.BarChart(seriesList,
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animate: animate,
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barGroupingType: charts.BarGroupingType.grouped,
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customSeriesRenderers: [
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new charts.BarTargetLineRendererConfig<String>(
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// ID used to link series to this renderer.
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customRendererId: 'customTargetLine',
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groupingType: charts.BarGroupingType.grouped)
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]);
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}
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/// Create series list with multiple series
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static List<charts.Series<OrdinalSales, String>> _createSampleData() {
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final desktopSalesData = [
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new OrdinalSales('2014', 5),
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new OrdinalSales('2015', 25),
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new OrdinalSales('2016', 100),
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new OrdinalSales('2017', 75),
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];
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final tableSalesData = [
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new OrdinalSales('2014', 25),
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new OrdinalSales('2015', 50),
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new OrdinalSales('2016', 10),
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new OrdinalSales('2017', 20),
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];
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final mobileSalesData = [
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new OrdinalSales('2014', 10),
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new OrdinalSales('2015', 15),
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new OrdinalSales('2016', 50),
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new OrdinalSales('2017', 45),
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];
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final desktopTargetLineData = [
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new OrdinalSales('2014', 4),
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new OrdinalSales('2015', 20),
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new OrdinalSales('2016', 80),
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new OrdinalSales('2017', 65),
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];
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final tableTargetLineData = [
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new OrdinalSales('2014', 30),
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new OrdinalSales('2015', 55),
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new OrdinalSales('2016', 15),
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new OrdinalSales('2017', 25),
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];
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final mobileTargetLineData = [
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new OrdinalSales('2014', 10),
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new OrdinalSales('2015', 5),
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new OrdinalSales('2016', 45),
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new OrdinalSales('2017', 35),
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];
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return [
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new charts.Series<OrdinalSales, String>(
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id: 'Desktop',
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domainFn: (OrdinalSales sales, _) => sales.year,
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measureFn: (OrdinalSales sales, _) => sales.sales,
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data: desktopSalesData,
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),
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new charts.Series<OrdinalSales, String>(
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id: 'Tablet',
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domainFn: (OrdinalSales sales, _) => sales.year,
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measureFn: (OrdinalSales sales, _) => sales.sales,
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data: tableSalesData,
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),
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new charts.Series<OrdinalSales, String>(
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id: 'Mobile',
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domainFn: (OrdinalSales sales, _) => sales.year,
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measureFn: (OrdinalSales sales, _) => sales.sales,
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data: mobileSalesData,
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),
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new charts.Series<OrdinalSales, String>(
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id: 'Desktop Target Line',
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domainFn: (OrdinalSales sales, _) => sales.year,
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measureFn: (OrdinalSales sales, _) => sales.sales,
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data: desktopTargetLineData,
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)
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// Configure our custom bar target renderer for this series.
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..setAttribute(charts.rendererIdKey, 'customTargetLine'),
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new charts.Series<OrdinalSales, String>(
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id: 'Tablet Target Line',
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domainFn: (OrdinalSales sales, _) => sales.year,
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measureFn: (OrdinalSales sales, _) => sales.sales,
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data: tableTargetLineData,
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)
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// Configure our custom bar target renderer for this series.
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..setAttribute(charts.rendererIdKey, 'customTargetLine'),
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new charts.Series<OrdinalSales, String>(
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id: 'Mobile Target Line',
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domainFn: (OrdinalSales sales, _) => sales.year,
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measureFn: (OrdinalSales sales, _) => sales.sales,
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data: mobileTargetLineData,
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)
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// Configure our custom bar target renderer for this series.
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..setAttribute(charts.rendererIdKey, 'customTargetLine'),
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];
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}
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}
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/// Sample ordinal data type.
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class OrdinalSales {
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final String year;
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final int sales;
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OrdinalSales(this.year, this.sales);
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}
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