Fiji/ysairplane3/lib/code/YSTableCalendar.dart

import 'package:flutter/material.dart';
import 'package:table_calendar/table_calendar.dart';
import 'package:ysairplane2/tools/YSNetWorking.dart';
import 'package:ysairplane2/tools/YSTools.dart';

class YSTableCalendar extends StatefulWidget {
  final orderSn;
  final ValueSetter postDate;
  const YSTableCalendar({Key key, this.orderSn, this.postDate}) : super(key: key);

  @override
  _YSTableCalendarState createState() => _YSTableCalendarState();
}

class _YSTableCalendarState extends State<YSTableCalendar> {
  CalendarController _calendarController = CalendarController();
  List _dataArray = [];
  String _chooseDate;
  @override
  void initState() {
    DateTime now = DateTime.now();
    _chooseDate = now.year.toString()+'-'+now.month.toString().padLeft(2,'0')+'-'+now.day.toString().padLeft(2,'0');
    Future.delayed(Duration(seconds: 0)).then((value){
      _getDatePriceData();
    });
    super.initState();
  }
  @override
  void dispose() {
    _calendarController.dispose();
    super.dispose();
  }

  _getDatePriceData() async{
    Map dict = await ysRequestHttp(context,type: requestType.get,api: '/app/applets/airplaneorder/ticketChanging',
        parameter: {'orderSn':widget.orderSn},isLoading: false,isToken: true);
    if(dict!=null){
      _dataArray = dict['data'];
      setState(() {});
    }
  }
  @override
  Widget build(BuildContext context) {
    return Container(
      height: MediaQuery.of(context).size.height*0.6,
      decoration: BoxDecoration(
          color: Colors.white,
          borderRadius: BorderRadius.only(topRight: Radius.circular(10),topLeft: Radius.circular(10))
      ),
      child: Column(
        children: [
          Container(
            height: MediaQuery.of(context).size.height*0.6-hsp(100),
            child: TableCalendar(
              calendarController: _calendarController,
              locale: 'zh_CN',
              headerStyle: HeaderStyle(
                  formatButtonVisible: false,
                  centerHeaderTitle: true
              ),
              // startDay: DateTime.now(),
              // endDay: DateTime.now().add(Duration(days: _dataArray.length)),
              enabledDayPredicate: (date){
                String dateStr = date.year.toString()+'-'+date.month.toString().padLeft(2,'0')+'-'+date.day.toString().padLeft(2,'0');
                return _dataArray.where((element) => '${element['time']}'.contains(dateStr)).length>0;
              },
              builders: CalendarBuilders(
                dayBuilder: (context,date,dayBuilder){
                  return Container(
                    alignment: Alignment.center,
                    child: Text('${date.day}'),
                  );
                },
                selectedDayBuilder: (context,date,dayBuilder){
                  _chooseDate = date.year.toString()+'-'+date.month.toString().padLeft(2,'0')+'-'+date.day.toString().padLeft(2,'0');
                  Map item = _dataArray.firstWhere((element) => element['time']==_chooseDate,orElse: ()=>null);
                  return Container(
                    alignment: Alignment.center,
                    decoration: BoxDecoration(
                        color: Color(0xFF0677FF),
                        borderRadius: BorderRadius.all(Radius.circular(5))
                    ),
                    child: Column(
                      mainAxisSize: MainAxisSize.min,
                      children: [
                        Text('${date.day}',style: TextStyle(color: Colors.white),),
                        if(item!=null)Text('¥${item['price']}',style: TextStyle(color: Colors.white.withOpacity(0.6),fontSize: zsp(20)),),
                      ],
                    ),
                  );
                },
                unavailableDayBuilder: (context,date,dayBuilder){
                  return Container(
                    alignment: Alignment.center,
                    child: Text('${date.day}',style: TextStyle(color: Color(0xFFC8C9CC)),),
                  );
                },
              ),
            ),
          ),
          GestureDetector(
            onTap: (){
              Navigator.pop(context);
              widget.postDate(_chooseDate);
            },
            child: Container(
              height: hsp(100),
              margin: EdgeInsets.only(left: hsp(50),right: hsp(50)),
              decoration: BoxDecoration(
                color: Color(0xFF0677FF),
                borderRadius: BorderRadius.all(Radius.circular(50))
              ),
              alignment: Alignment.center,
              child: Text('确定',style: TextStyle(fontSize: zsp(30),color: Colors.white),),
            ),
          )
        ],
      ),
    );
  }
}