Flutter-Ernaehrungsapp/lib/android/pages/nav_pages/progress_page.dart

import 'package:ernaehrung/android/components/meal_page_text/secondary_big_text_component.dart';
import 'package:ernaehrung/android/components/meal_page_text/secondary_text_component.dart';
import 'package:ernaehrung/android/components/meal_page_text/title_component.dart';
import 'package:fl_chart/fl_chart.dart';
import 'package:flutter/material.dart';

class ProgressPage extends StatelessWidget {
  final String title;
  final Color backgroundColor = const Color(0xff47a44b);

  const ProgressPage({Key? key, required this.title}) : super(key: key);

  String get getTitle => title;

  @override
  String toString({DiagnosticLevel minLevel = DiagnosticLevel.info}) {
    return getTitle;
  }

  /*
  * TODO: in versch. Dateien auslagern, damit der Code nicht voll gemüllt wird
  * */
  @override
  Widget build(BuildContext context) {
    return Scaffold(
      body: SingleChildScrollView(
        child: Padding(
          padding: const EdgeInsets.symmetric(vertical: 16, horizontal: 8),
          child: Column(
            children: [
              Container(
                height: 284,
                decoration: BoxDecoration(
                  border: Border.all(),
                ),
                child: Column(
                  crossAxisAlignment: CrossAxisAlignment.start,
                  children: [
                    const TitleComponent("Kalorien"),
                    const SizedBox(
                      height: 16,
                    ),
                    const SecondaryTextComponent("Durchschnittlich"),
                    SecondaryBigTextComponent(1235.toString()),
                    SizedBox(
                      height: 200,
                      child: BarChart(
                        BarChartData(
                          barTouchData: barTouchData,
                          titlesData: titlesData,
                          borderData: borderData,
                          barGroups: barGroups,
                          gridData: FlGridData(show: false),
                          alignment: BarChartAlignment.spaceAround,
                          maxY: 200,
                        ),
                      ),
                    )
                  ],
                ),
              ),
              Container(
                margin: const EdgeInsets.symmetric(vertical: 16, horizontal: 0),
                child: Column(
                  //TODO: Aussortieren und mit einer Schleife drüber gehen
                  //bzw. die Daten aus der Hivebox ziehen und sortieren
                  children: [
                    const TitleComponent(
                        "Lebensmittel mit dem höchsten Kaloriengehalt"),
                    const SizedBox(height: 24,),
                    Row(
                      mainAxisAlignment: MainAxisAlignment.spaceBetween,
                      children: const [
                        SecondaryTextComponent("Haferflocker"),
                        SecondaryTextComponent("670 Kalorien"),
                      ],
                    ),
                    const SizedBox(height: 24,),
                    Row(
                      mainAxisAlignment: MainAxisAlignment.spaceBetween,
                      children: const [
                        SecondaryTextComponent("Haferflocker"),
                        SecondaryTextComponent("670 Kalorien"),
                      ],
                    ),
                    const SizedBox(height: 24,),
                    Row(
                      mainAxisAlignment: MainAxisAlignment.spaceBetween,
                      children: const [
                        SecondaryTextComponent("Haferflocker"),
                        SecondaryTextComponent("670 Kalorien"),
                      ],
                    ),
                    const SizedBox(height: 24,),
                    Row(
                      mainAxisAlignment: MainAxisAlignment.spaceBetween,
                      children: const [
                        SecondaryTextComponent("Haferflocker"),
                        SecondaryTextComponent("670 Kalorien"),
                      ],
                    ),
                    const SizedBox(height: 24,),
                    Row(
                      mainAxisAlignment: MainAxisAlignment.spaceBetween,
                      children: const [
                        SecondaryTextComponent("Haferflocker"),
                        SecondaryTextComponent("670 Kalorien"),
                      ],
                    ),
                    const SizedBox(height: 24,),
                    Row(
                      mainAxisAlignment: MainAxisAlignment.spaceBetween,
                      children: const [
                        SecondaryTextComponent("Haferflocker"),
                        SecondaryTextComponent("670 Kalorien"),
                      ],
                    ),
                    const SizedBox(height: 24,),
                    Row(
                      mainAxisAlignment: MainAxisAlignment.spaceBetween,
                      children: const [
                        SecondaryTextComponent("Haferflocker"),
                        SecondaryTextComponent("670 Kalorien"),
                      ],
                    )
                  ],
                ),
              )
            ],
          ),
        ),
      ),
    );
  }

  BarTouchData get barTouchData => BarTouchData(
        enabled: false,
        touchTooltipData: BarTouchTooltipData(
          tooltipBgColor: Colors.transparent,
          tooltipPadding: EdgeInsets.zero,
          tooltipMargin: 4,
          getTooltipItem: (
            BarChartGroupData group,
            int groupIndex,
            BarChartRodData rod,
            int rodIndex,
          ) {
            return BarTooltipItem(
              rod.toY.round().toString(),
              const TextStyle(
                color: Colors.orange,
                fontWeight: FontWeight.bold,
              ),
            );
          },
        ),
      );

  Widget getTitles(double value, TitleMeta meta) {
    const style = TextStyle(
      color: Colors.red,
      fontWeight: FontWeight.bold,
      fontSize: 14,
    );
    String text;
    switch (value.toInt()) {
      case 0:
        text = 'Mn';
        break;
      case 1:
        text = 'Te';
        break;
      case 2:
        text = 'Wd';
        break;
      case 3:
        text = 'Tu';
        break;
      case 4:
        text = 'Fr';
        break;
      case 5:
        text = 'St';
        break;
      case 6:
        text = 'Sn';
        break;
      default:
        text = '';
        break;
    }
    return SideTitleWidget(
      axisSide: meta.axisSide,
      space: 4,
      child: Text(text, style: style),
    );
  }

  FlTitlesData get titlesData => FlTitlesData(
        show: true,
        bottomTitles: AxisTitles(
          sideTitles: SideTitles(
            showTitles: true,
            reservedSize: 30,
            getTitlesWidget: getTitles,
          ),
        ),
        leftTitles: AxisTitles(
          sideTitles: SideTitles(showTitles: false),
        ),
        topTitles: AxisTitles(
          sideTitles: SideTitles(showTitles: false),
        ),
        rightTitles: AxisTitles(
          sideTitles: SideTitles(showTitles: false),
        ),
      );

  FlBorderData get borderData => FlBorderData(
        show: false,
      );

  LinearGradient get _barsGradient => const LinearGradient(
        colors: [
          Colors.cyan,
          Colors.deepPurple,
        ],
        begin: Alignment.bottomCenter,
        end: Alignment.topCenter,
      );

  List<BarChartGroupData> get barGroups => [
        BarChartGroupData(
          x: 0,
          barRods: [
            BarChartRodData(
              toY: 8,
              gradient: _barsGradient,
            )
          ],
          showingTooltipIndicators: [0],
        ),
        BarChartGroupData(
          x: 1,
          barRods: [
            BarChartRodData(
              toY: 10,
              gradient: _barsGradient,
            )
          ],
          showingTooltipIndicators: [0],
        ),
        BarChartGroupData(
          x: 2,
          barRods: [
            BarChartRodData(
              toY: 14,
              gradient: _barsGradient,
            )
          ],
          showingTooltipIndicators: [0],
        ),
        BarChartGroupData(
          x: 3,
          barRods: [
            BarChartRodData(
              toY: 150,
              gradient: _barsGradient,
            )
          ],
          showingTooltipIndicators: [0],
        ),
        BarChartGroupData(
          x: 4,
          barRods: [
            BarChartRodData(
              toY: 13,
              gradient: _barsGradient,
            )
          ],
          showingTooltipIndicators: [0],
        ),
        BarChartGroupData(
          x: 5,
          barRods: [
            BarChartRodData(
              toY: 10,
              gradient: _barsGradient,
            )
          ],
          showingTooltipIndicators: [0],
        ),
        BarChartGroupData(
          x: 6,
          barRods: [
            BarChartRodData(
              toY: 16,
              gradient: _barsGradient,
            )
          ],
          showingTooltipIndicators: [0],
        ),
      ];
}