rkm_educa_app/lib/telas/tela_agenda.dart

import 'package:flutter/material.dart';
import 'package:flutter_calendar_carousel/classes/event.dart';
import 'package:flutter_calendar_carousel/flutter_calendar_carousel.dart';
import 'package:intl/intl.dart';
import 'package:rkm_educa_app/componentes/appbar_custom.dart';
import 'package:rkm_educa_app/componentes/drawer_custom.dart';
import 'package:rkm_educa_app/componentes/item_agenda.dart';
import 'package:rkm_educa_app/componentes/text_custom.dart';
import 'package:rkm_educa_app/modelos/estudante_modelo.dart';
import 'package:rkm_educa_app/utils/cores.dart';
import 'package:rkm_educa_app/utils/dimensoes.dart';

class TelaAgenda extends StatefulWidget {
  EstudanteModelo estudanteModelo;

  TelaAgenda({
    required this.estudanteModelo
});

  @override
  State<TelaAgenda> createState() => _TelaAgendaState();
}

class _TelaAgendaState extends State<TelaAgenda> {

  DateTime _currentDate = DateTime.now();
  DateTime dataAtual = DateTime.now();
  EventList<Event> _markedDateMap = new EventList<Event>(
    events: {},
  );

  Widget _eventIcon(String dia) => Container(
    decoration: BoxDecoration(
      borderRadius: BorderRadius.circular(30),
      color: PaletaCores.verdeCalendario,
    ),
    width: 40,
    height: 40,
    child: Center(
      child: TextCustom(text: dia,fontWeight: FontWeight.bold,size: 14.0,color: PaletaCores.cinza),
    ),
  );

  TextStyle textStyle = TextStyle(
      color: PaletaCores.cinza,
      fontWeight: FontWeight.bold,
      fontFamily: 'Nunito',
      fontSize: 14
  );

  TextStyle textStyleFDS = TextStyle(
      color: Colors.red,
      fontWeight: FontWeight.bold,
      fontFamily: 'Nunito',
      fontSize: 14
  );

  @override
  void initState() {
    super.initState();
    _markedDateMap.add(DateTime(2023,5,1), Event(date: DateTime(2023,5,1),icon: _eventIcon('1')));
    _markedDateMap.add(DateTime(2023,5,15), Event(date: DateTime(2023,5,1),icon: _eventIcon('15')));
    _markedDateMap.add(DateTime(2023,6,30), Event(date: DateTime(2023,6,30),icon: _eventIcon('30')));
    setState(() {});
  }

  @override
  Widget build(BuildContext context) {

    final _calendario = CalendarCarousel<Event>(
      locale: 'pt',
      weekdayTextStyle: TextStyle(color: PaletaCores.cinza,fontSize: 14,fontFamily: 'Nunito',),
      disableDayPressed: true,
      daysTextStyle: textStyle,
      selectedDayButtonColor: Colors.red,
      weekendTextStyle: textStyleFDS,
      markedDatesMap: _markedDateMap,
      height: Dimensoes.height*0.40,
      targetDateTime: dataAtual,
      markedDateCustomTextStyle: textStyle,
      markedDateMoreShowTotal: null,
      showHeader: false,
      todayTextStyle: textStyle,
      isScrollable: false,
      todayButtonColor: PaletaCores.calendario,
      selectedDayTextStyle: textStyle,
      minSelectedDate: _currentDate.subtract(Duration(days: 360)),
      maxSelectedDate: _currentDate.add(Duration(days: 360)),
      markedDateIconBuilder: (event){
        return event.icon;
      },
    );

    return Scaffold(
      appBar: AppBarCustom().appbar(context, 'AGENDA ESCOLAR'),
      drawer: DrawerCustom(estudanteModelo: widget.estudanteModelo),
      body: ListView(
        padding: EdgeInsets.all(10),
        children: [
          Row(
            mainAxisAlignment: MainAxisAlignment.center,
            children: [
              IconButton(
                  onPressed: () {
                    setState(() {
                      dataAtual = DateTime(dataAtual.year, dataAtual.month -1);
                    });
                  },
                icon: Icon(Icons.arrow_left,size: 30,color: PaletaCores.cinzaClaro,)
              ),
              TextCustom(text: DateFormat('MMMM / yyyy','pt_Br').format(dataAtual),fontWeight: FontWeight.bold),
              IconButton(
                  onPressed: () {
                    setState(() {
                      dataAtual = DateTime(dataAtual.year, dataAtual.month +1);
                    });
                  },
                  icon: Icon(Icons.arrow_right,size: 30,color: PaletaCores.cinzaClaro,)
              ),
            ],
          ),
          Container(
            height: 300,
            margin: EdgeInsets.symmetric(horizontal: 16.0),
            child: _calendario,
          ),
          Container(
            padding: EdgeInsets.symmetric(vertical: 15),
            height: Dimensoes.height*0.60,
            child: ListView(
              children: [
                dataAtual.month==5?ItemAgenda(data: '01/05/2023', titulo: 'Feriado - Dia do Trabalhador',):Container(),
                dataAtual.month==5?ItemAgenda(data: '15/05/2023', titulo: 'Reunisão para os pais',):Container(),
                dataAtual.month==6?ItemAgenda(data: '30/06/2023', titulo: 'Início Férias',):Container(),
              ],
            ),
          )
        ],
      ),
    );
  }
}