KonectarApp/lib/widgets/heatmapcalendar.dart

import 'package:flutter/material.dart';
import 'package:flutter/cupertino.dart';
import 'package:flutter_heatmap_calendar/flutter_heatmap_calendar.dart';
import 'package:konectar_events/utils/util.dart';

class HeatMapExample extends StatefulWidget {
  const HeatMapExample({Key? key}) : super(key: key);

  @override
  State<StatefulWidget> createState() => _HeatMapExample();
}

class _HeatMapExample extends State<HeatMapExample> {
  final TextEditingController dateController = TextEditingController();
  final TextEditingController heatLevelController = TextEditingController();

  bool isOpacityMode = true;

  Map<DateTime, int> heatMapDatasets = {
    DateTime.parse("20240412"): int.parse("24"),
    DateTime.parse("20240413"): int.parse("34"),
    DateTime.parse("20240414"): int.parse("14"),
    DateTime.parse("20240415"): int.parse("10"),
    DateTime.parse("20240422"): int.parse("22"),
    DateTime.parse("20240423"): int.parse("16"),
    DateTime.parse("20240424"): int.parse("99"),
    DateTime.parse("20240512"): int.parse("44"),
    DateTime.parse("20240513"): int.parse("33"),
    DateTime.parse("20240514"): int.parse("23"),
    DateTime.parse("20240515"): int.parse("55"),
    DateTime.parse("20240522"): int.parse("90"),
    DateTime.parse("20240523"): int.parse("88"),
    DateTime.parse("20240524"): int.parse("100"),
  };
  Map<DateTime, int> heatMapDatasets2 = {
    DateTime.parse("20240512"): int.parse("24"),
    DateTime.parse("20240513"): int.parse("34"),
    DateTime.parse("20240514"): int.parse("14"),
    DateTime.parse("20240515"): int.parse("10"),
    DateTime.parse("20240522"): int.parse("22"),
    DateTime.parse("20240523"): int.parse("16"),
    DateTime.parse("20240524"): int.parse("99"),
  };
  @override
  void dispose() {
    super.dispose();
    dateController.dispose();
    heatLevelController.dispose();
  }

  Widget _textField(final String hint, final TextEditingController controller) {
    return Padding(
      padding: const EdgeInsets.only(left: 16, right: 20, top: 8.0),
      child: TextField(
        controller: controller,
        decoration: InputDecoration(
          enabledBorder: const OutlineInputBorder(
              borderSide: BorderSide(color: Color(0xffe7e7e7), width: 1.0)),
          focusedBorder: const OutlineInputBorder(
              borderSide: BorderSide(color: Color(0xFF20bca4), width: 1.0)),
          hintText: hint,
          hintStyle: const TextStyle(color: Colors.grey),
          isDense: true,
        ),
      ),
    );
  }

  @override
  Widget build(BuildContext context) {
    return Column(
      children: [
        Card(
          margin: EdgeInsets.all(isTablet ? 20 : 2),
          //elevation: 18,
          child: Padding(
            padding: EdgeInsets.all(isTablet ? 20 : 2),
            child: Row(
              mainAxisSize: MainAxisSize.min,
              children: [
                HeatMap(
                  startDate: DateTime.parse("2024-04-02"),
                  endDate: DateTime.parse("2024-05-31"),
                  size: isTablet ? 20 : 10,
                  fontSize: 9,
                  scrollable: true,
                  colorMode:
                      isOpacityMode ? ColorMode.opacity : ColorMode.color,
                  datasets: heatMapDatasets,
                  colorsets: const {
                    1: Colors.red,
                    3: Colors.orange,
                    5: Colors.yellow,
                    7: Colors.green,
                    9: Colors.blue,
                    11: Colors.indigo,
                    13: Colors.purple,
                  },
                  onClick: (value) {
                    ScaffoldMessenger.of(context).showSnackBar(
                        SnackBar(content: Text(value.toString())));
                  },
                ),
                HeatMap(
                  startDate: DateTime.parse("2024-05-01"),
                  endDate: DateTime.parse("2024-05-31"),
                  scrollable: true,
                  size: isTablet ? 20 : 10,
                  fontSize: 9,
                  colorMode:
                      isOpacityMode ? ColorMode.opacity : ColorMode.color,
                  datasets: heatMapDatasets2,
                  colorsets: const {
                    1: Colors.red,
                    3: Colors.orange,
                    5: Colors.yellow,
                    7: Colors.green,
                    9: Colors.blue,
                    11: Colors.indigo,
                    13: Colors.purple,
                  },
                  onClick: (value) {
                    ScaffoldMessenger.of(context).showSnackBar(
                        SnackBar(content: Text(value.toString())));
                  },
                ),
              ],
            ),
          ),
        ),
        // _textField('YYYYMMDD', dateController),
        // _textField('Heat Level', heatLevelController),
        // ElevatedButton(
        //   child: const Text('COMMIT'),
        //   onPressed: () {
        //     setState(() {
        //       heatMapDatasets[DateTime.parse(dateController.text)] =
        //           int.parse(heatLevelController.text);
        //     });
        //   },
        // ),

        // ColorMode/OpacityMode Switch.
        // Row(
        //   mainAxisAlignment: MainAxisAlignment.center,
        //   children: <Widget>[
        //     const Text('Color Mode'),
        //     CupertinoSwitch(
        //       value: isOpacityMode,
        //       onChanged: (value) {
        //         setState(() {
        //           isOpacityMode = value;
        //         });
        //       },
        //     ),
        //     const Text('Opacity Mode'),
        //   ],
        // ),
      ],
    );
  }
}