mirrored_repositories/Expense-Tracker-App/lib
import 'package:flutter/material.dart';
import 'package:intl/intl.dart';

class NewTransaction extends StatefulWidget {
  final Function addTx;

  NewTransaction(this.addTx);

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

class _NewTransactionState extends State<NewTransaction> {
  final _inputController = TextEditingController();
  final _amountController = TextEditingController();
  DateTime _selectedDate;

  void _sumbitData() {
    if (_inputController.text.isEmpty) {
      return;
    }
    final enteredTitle = _inputController.text;
    final enteredAmount = double.parse(_amountController.text);

    if (enteredTitle.isEmpty || enteredAmount <= 0 || _selectedDate == null) {
      return;
    }

    widget.addTx(
      enteredTitle,
      enteredAmount,
      _selectedDate,
    );

    Navigator.of(context).pop();
  }

  void _presentDatePicker() {
    showDatePicker(
      context: context,
      initialDate: DateTime.now(),
      firstDate: DateTime(2020),
      lastDate: DateTime.now(),
    ).then((pickedDate) {
      if (pickedDate == null) {
        return;
      }
      setState(() {
        _selectedDate = pickedDate;
      });
    });
  }

  @override
  Widget build(BuildContext context) {
    return SingleChildScrollView(
      child: Card(
        elevation: 6,
        child: Container(
          padding: EdgeInsets.only(
            top: 10,
            right: 10,
            left: 10,
            bottom: MediaQuery.of(context).viewInsets.bottom + 10,
          ),
          child: Column(
            crossAxisAlignment: CrossAxisAlignment.end,
            children: <Widget>[
              TextField(
                decoration: InputDecoration(labelText: "Title"),
                controller: _inputController,
                onSubmitted: (_) => _sumbitData(),
                // onChanged: (val) {
                //   titleInput = val;
                // },
              ),
              TextField(
                decoration: InputDecoration(labelText: "Amount"),
                controller: _amountController,
                keyboardType: TextInputType.number,
                onSubmitted: (_) => _sumbitData(),
                // onChanged: (val) {
                //   amountInput = val;
                // },
              ),
              Container(
                height: 70,
                child: Row(
                  children: <Widget>[
                    Expanded(
                      child: Text(
                        _selectedDate == null
                            ? 'No Date Chosen'
                            : "Picked Date : ${DateFormat.yMEd().format(_selectedDate)}",
                      ),
                    ),
                    FlatButton(
                      textColor: Theme.of(context).primaryColor,
                      child: Text(
                        'Choose Date',
                        style: TextStyle(fontWeight: FontWeight.bold),
                      ),
                      onPressed: _presentDatePicker,
                    ),
                  ],
                ),
              ),
              RaisedButton(
                child: Text(
                  'Submit',
                ),
                color: Theme.of(context).primaryColor,
                textColor: Theme.of(context).textTheme.button.color,
                onPressed: _sumbitData,
              )
            ],
          ),
        ),
      ),
    );
  }
}
