fcs/lib/charts/delivery_line.dart

import 'package:charts_flutter/flutter.dart' as charts;
import 'package:flutter/material.dart';
import 'package:intl/intl.dart';
import 'package:provider/provider.dart';
import 'package:fcs/model/chart_model.dart';
import 'package:fcs/fcs/common/helpers/theme.dart';
import 'package:fcs/vo/revenue.dart';
import 'package:fcs/widget/local_text.dart';

import 'delivery_line_data.dart';

class DeliveryBarChart extends StatefulWidget {
  @override
  _DeliveryBarChartState createState() => _DeliveryBarChartState();
}

class _DeliveryBarChartState extends State<DeliveryBarChart> {
  static final numberFormatter = new NumberFormat("#,###");
  var dateFormatter = new DateFormat('dd MMM yyyy');

  @override
  void initState() {
    super.initState();
  }

  @override
  Widget build(BuildContext context) {
    var chartModel = Provider.of<ChartModel>(context);

    List<charts.Series<Data, String>> series = [
      charts.Series(
          id: "Subscribers",
          data: chartModel.revenue.getDelivery(),
          domainFn: (Data series, _) =>
              "${series.date.day}-${series.date.month}-${series.date.year}",
          measureFn: (Data series, _) => series.amount,
          labelAccessorFn: (Data series, _) =>
              '${numberFormatter.format(series.amount)}'),
    ];

    List<charts.Series<Data, DateTime>> seriesLine = [
      charts.Series(
        id: "Subscribers",
        data: chartModel.revenue.getDelivery(),
        domainFn: (Data series, _) => series.date,
        measureFn: (Data series, _) => series.amount,
        colorFn: (_, __) => charts.ColorUtil.fromDartColor(primaryColor),
        labelAccessorFn: (Data series, _) =>
            '${numberFormatter.format(series.amount)}',
      ),
    ];

    return Container(
      height: 200,
      child: Column(
        children: <Widget>[
          Row(
            mainAxisAlignment: MainAxisAlignment.spaceBetween,
            children: <Widget>[
              LocalText(context, "delivery", color: primaryColor, fontSize: 16),
              InkWell(
                child: LocalText(
                  context,
                  "delivery.detail",
                  color: secondaryColor,
                  fontSize: 14,
                ),
                onTap: () {
                  Navigator.of(context).push(
                      MaterialPageRoute(builder: (_) => DeliveryBarData()));
                },
              ),
            ],
          ),
          Expanded(
            child: charts.TimeSeriesChart(
              seriesLine,
              animate: true,
              defaultRenderer: new charts.LineRendererConfig(
                includePoints: true,
              ),
              primaryMeasureAxis: new charts.NumericAxisSpec(
                  tickProviderSpec: new charts.BasicNumericTickProviderSpec(
                      zeroBound: false, desiredTickCount: 10),
                  renderSpec: new charts.GridlineRendererSpec(
                      lineStyle: charts.LineStyleSpec(
                    dashPattern: [4, 4],
                  ))),
            ),
          ),
          // Expanded(
          //   child: charts.BarChart(
          //     series,
          //     animate: true,
          //     vertical: true,
          //     defaultRenderer: new charts.BarRendererConfig(
          //       barRendererDecorator: new charts.BarLabelDecorator<String>(
          //         labelPosition: charts.BarLabelPosition.auto,
          //       ),
          //     ),
          //   ),
          // ),
        ],
      ),
    );
  }
}