ajuste do calendário para exibir presenças

lib/telas/tela_chamada.dart

@@ -1,9 +1,17 @@
+import 'dart:convert';
 import 'package:flutter/material.dart';
+import 'package:flutter_calendar_carousel/classes/event.dart';
+import 'package:flutter_calendar_carousel/classes/event_list.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/modelos/estudante_modelo.dart';
-
+import 'package:http/http.dart' as http;
+import '../componentes/text_custom.dart';
 import '../controllers/main_controllers.dart';
+import '../utils/cores.dart';
+import '../utils/dimensoes.dart';
 
 class TelaChamada extends StatefulWidget {
   EstudanteModelo estudanteModelo;
@@ -18,6 +26,49 @@ class TelaChamada extends StatefulWidget {
 
 class _TelaChamadaState extends State<TelaChamada> {
 
+  List presenca = [];
+  bool carregando = false;
+  DateTime _currentDate = DateTime.now();
+  DateTime dataAtual = DateTime.now();
+  EventList<Event> _markedDateMap = new EventList<Event>(
+    events: {},
+  );
+
+  TextStyle textStyle = TextStyle(
+      color: PaletaCores.cinzaClaro,
+      fontWeight: FontWeight.bold,
+      fontFamily: 'Nunito',
+      fontSize: 14
+  );
+
+  TextStyle textStyleToday = TextStyle(
+      color: PaletaCores.branco,
+      fontWeight: FontWeight.bold,
+      fontFamily: 'Nunito',
+      fontSize: 14
+  );
+
+  TextStyle textStyleFDS = TextStyle(
+      color: Colors.red,
+      fontWeight: FontWeight.bold,
+      fontFamily: 'Nunito',
+      fontSize: 14
+  );
+
+  getChamada(String data)async{
+    int cd = widget.estudanteModelo.dados[widget.estudanteModelo.nroAluno]['CD_MATRICULA'];
+    print(widget.estudanteModelo.nroAluno);
+    setState(()=>carregando=true);
+    presenca.clear();
+    final url = 'http://192.168.18.2:8000/presenca?CD_MATRICULA=${cd}&DATA=$data&CIDADE=${widget.estudanteModelo.cidade}';
+    print(url);
+    final response = await http.get(Uri.parse(url));
+    var map = json.decode(response.body);
+    presenca = map;
+    print(presenca);
+    setState(()=>carregando=false);
+  }
+
   @override
   void initState() {
     super.initState();
@@ -26,9 +77,163 @@ class _TelaChamadaState extends State<TelaChamada> {
 
   @override
   Widget build(BuildContext context) {
+
+    final _calendario = CalendarCarousel<Event>(
+      onDayLongPressed: (DateTime date){
+        setState(() {
+          _currentDate = date;
+        });
+        print('long');
+      },
+      onDayPressed: (date, events) {
+        setState(() => _currentDate = date);
+        events.forEach((event) => print(event.title));
+        List split = _currentDate.toString().split(' ');
+        print(split[0]);
+        getChamada(split[0]);
+      },
+      selectedDateTime: _currentDate,
+      locale: 'pt',
+      weekdayTextStyle: TextStyle(color: PaletaCores.cinza,fontSize: 14,fontFamily: 'Nunito',),
+      daysTextStyle: textStyle,
+      selectedDayButtonColor: Colors.green,
+      weekendTextStyle: textStyleFDS,
+      markedDatesMap: _markedDateMap,
+      markedDateMoreShowTotal: null,
+      showHeader: false,
+      targetDateTime: dataAtual,
+      height: Dimensoes.height*0.38,
+      markedDateCustomTextStyle: textStyle,
+      todayTextStyle: textStyle,
+      todayButtonColor: PaletaCores.branco,
+      selectedDayTextStyle: textStyleToday,
+      minSelectedDate: _currentDate.subtract(Duration(days: 360)),
+      maxSelectedDate: _currentDate.add(Duration(days: 360)),
+      markedDateIconBuilder: (event){
+        return event.icon;
+      },
+    );
+
     return Scaffold(
       appBar: AppBarCustom().appbar(context, 'CHAMADAS / PRESENÇAS'),
       drawer: DrawerCustom(estudanteModelo: widget.estudanteModelo),
+      body: carregando?Center(
+        child: Container(
+          padding: EdgeInsets.all(80),
+          child: Row(
+            mainAxisSize: MainAxisSize.min,
+            children: [
+              CircularProgressIndicator(color: PaletaCores.cinzaClaro),
+              SizedBox(width: 20,),
+              TextCustom(text: 'Carregando Informações ...')
+            ],
+          ),
+        ),
+      ):Column(
+        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,)
+              ),
+            ],
+          ),
+          _calendario,
+          Container(
+            padding: EdgeInsets.only(bottom: 15),
+            width: Dimensoes.width,
+            child: TextCustom(
+              textAlign: TextAlign.center,
+              size: 14.0,
+              fontWeight: FontWeight.bold,
+              text: 'SELECIONE A DATA DESEJADA',
+            ),
+          ),
+      presenca.length==0?  Container():Container(
+            width: Dimensoes.width,
+            padding: EdgeInsets.symmetric(horizontal: 10),
+            child: Row(
+              children: [
+                Container(
+                  width: Dimensoes.width*0.65,
+                  child: TextCustom(
+                    size: 14.0,
+                    text: 'DISCIPLINAS',
+                  ),
+                ),
+                Spacer(),
+                Container(
+                  width: Dimensoes.width*0.2,
+                  child: TextCustom(
+                    textAlign: TextAlign.center,
+                    size: 14.0,
+                    text: 'STATUS',
+                  ),
+                ),
+              ],
+            ),
+          ),
+          Container(
+            height: Dimensoes.height*0.3,
+            child: presenca.length==0?  Container(
+              alignment: Alignment.center,
+              width: Dimensoes.width,
+              child: TextCustom(
+                textAlign: TextAlign.center,
+                size: 14.0,
+                fontWeight: FontWeight.bold,
+                text: 'SEM INFORMAÇÕES NESSA DATA',
+              ),
+            ):ListView.builder(
+              itemCount: presenca.length,
+              itemBuilder: (context,index){
+                return Container(
+                  width: Dimensoes.width,
+                  padding: EdgeInsets.symmetric(horizontal: 10),
+                  child: Row(
+                    children: [
+                      Container(
+                        width: Dimensoes.width*0.65,
+                        child: TextCustom(
+                          size: 14.0,
+                          text: presenca[index]['DESCRICAO']??'',
+                          fontWeight: FontWeight.bold,
+                        ),
+                      ),
+                      Spacer(),
+                      Container(
+                        color: presenca[index]['FL_PRESENTE_AUSENTE']=='P'?Colors.green:Colors.red,
+                        width: Dimensoes.width*0.2,
+                        child: TextCustom(
+                          textAlign: TextAlign.center,
+                          color: Colors.white,
+                          size: 14.0,
+                          text: presenca[index]['FL_PRESENTE_AUSENTE']=='P'?'PRESENTE':'AUSENTE',
+                        ),
+                      ),
+                    ],
+                  ),
+                );
+              }
+            ),
+          )
+        ],
+      ),
     );
   }
 }