doctor_app_flutter/lib/widgets/patients/dynamic_elements.dart

import 'package:doctor_app_flutter/models/patient_model.dart';
import 'package:flutter/material.dart';
import 'package:hexcolor/hexcolor.dart';
import 'package:intl/intl.dart';

class DynamicElements extends StatefulWidget {
  PatientModel _patientSearchFormValues;
  DynamicElements(this._patientSearchFormValues);
  @override
  _DynamicElementsState createState() => _DynamicElementsState();
}

class _DynamicElementsState extends State<DynamicElements> {
  TextEditingController _toDateController = new TextEditingController();
  TextEditingController _fromDateController = new TextEditingController();
  void _presentDatePicker(id) {
    showDatePicker(
      context: context,
      initialDate: DateTime.now(),
      firstDate: DateTime(2019),
      lastDate: DateTime.now(),
    ).then((pickedDate) {
      if (pickedDate == null) {
        return;
      }
      setState(() {
        print(id);
        var selectedDate = DateFormat.yMd().format(pickedDate);

        if (id == '_selectedFromDate') {
          _fromDateController.text = selectedDate;
        } else {
          _toDateController.text = selectedDate;
        }
      });
    });
  }

  @override
  Widget build(BuildContext context) {
    return LayoutBuilder(
      builder: (ctx, constraints) {
        var smallScreenSize = 660;
        bool isSmallScreen = constraints.maxWidth <= smallScreenSize;
        return Column(
          crossAxisAlignment: CrossAxisAlignment.start,
          children: <Widget>[
           SizedBox(
              height: 10,
            ),
            Text(
              'From',
              style: TextStyle(fontSize: 16),
            ),
            SizedBox(
              height: 10,
            ),
            TextFormField(
              keyboardType: TextInputType.number,
              controller: _fromDateController,
              decoration: InputDecoration(
                  hintText: '3/11/2020',
                  hintStyle: TextStyle(
                      fontSize:
                          isSmallScreen ? 14 : constraints.maxWidth * 0.024),
                  enabledBorder: OutlineInputBorder(
                    borderRadius: BorderRadius.all(Radius.circular(20)),
                    borderSide: BorderSide(color: Hexcolor('#CCCCCC')),
                  ),
                  focusedBorder: OutlineInputBorder(
                    borderRadius: BorderRadius.all(Radius.circular(10.0)),
                    borderSide:
                        BorderSide(color: Theme.of(context).primaryColor),
                  )
                  //BorderRadius.all(Radius.circular(20));
                  ),
              validator: (value) {
                if (value.isEmpty) {
                  return 'Please enter some text';
                }
                return null;
              },
              onTap: () {
                _presentDatePicker('_selectedFromDate');
              },
              onSaved: (value) {
                widget._patientSearchFormValues.From = value;
              },
            ),
            SizedBox(
              height: 10,
            ),
            Text(
              'TO',
              style: TextStyle(fontSize: 16),
            ),
            SizedBox(
              height: 10,
            ),
            TextFormField(
              keyboardType: TextInputType.number,
              controller: _toDateController,
              decoration: InputDecoration(
                  hintText: '3/11/2020',
                  hintStyle: TextStyle(
                      fontSize:
                          isSmallScreen ? 14 : constraints.maxWidth * 0.024),
                  enabledBorder: OutlineInputBorder(
                    borderRadius: BorderRadius.all(Radius.circular(20)),
                    borderSide: BorderSide(color: Hexcolor('#CCCCCC')),
                  ),
                  focusedBorder: OutlineInputBorder(
                    borderRadius: BorderRadius.all(Radius.circular(10.0)),
                    borderSide:
                        BorderSide(color: Theme.of(context).primaryColor),
                  )
                  //BorderRadius.all(Radius.circular(20));
                  ),
              onTap: () {
                _presentDatePicker('_selectedToDate');
              },
              validator: (value) {
                if (value.isEmpty) {
                  return 'Please enter some text';
                }
                return null;
              },
              onSaved: (value) {
                widget._patientSearchFormValues.To = value;
              },
            ),
            SizedBox(
              height: 10,
            ),
            Container(
              decoration: BoxDecoration(
                borderRadius: BorderRadius.all(Radius.circular(10.0)),
                border: Border.all(color: Theme.of(context).primaryColor),
              ),
              child: Row(
                mainAxisAlignment: MainAxisAlignment.start,
                children: <Widget>[
                  Checkbox(
                      value: true,
                      activeColor: Theme.of(context).primaryColor,
                      onChanged: (bool newValue) {}),
                  Text('Only Arrived Patient',
                      style: TextStyle(
                          fontSize: isSmallScreen
                              ? 18
                              : constraints.maxWidth * 0.018)),
                ],
              ),
            )
          ],
        );
      },
    );
  }
}