invoice/lib/ui/app/forms/date_picker.dart

139 lines
3.7 KiB
Dart

import 'package:flutter/material.dart';
import 'package:invoiceninja_flutter/utils/formatting.dart';
import 'package:invoiceninja_flutter/utils/strings.dart';
class DatePicker extends StatefulWidget {
const DatePicker({
@required this.labelText,
@required this.onSelected,
@required this.selectedDate,
this.validator,
this.autoValidate = false,
this.allowClearing = false,
this.firstDate,
});
final String labelText;
final String selectedDate;
final Function(String) onSelected;
final Function validator;
final bool autoValidate;
final bool allowClearing;
final DateTime firstDate;
@override
_DatePickerState createState() => new _DatePickerState();
}
class _DatePickerState extends State<DatePicker> {
final _textController = TextEditingController();
final _focusNode = FocusNode();
@override
void initState() {
super.initState();
_focusNode.addListener(_onFoucsChanged);
}
@override
void didChangeDependencies() {
_textController.text = formatDate(widget.selectedDate, context);
super.didChangeDependencies();
}
void _onFoucsChanged() {
if (!_focusNode.hasFocus) {
_textController.text = formatDate(widget.selectedDate, context);
}
}
@override
void dispose() {
_textController.dispose();
_focusNode.removeListener(_onFoucsChanged);
_focusNode.dispose();
super.dispose();
}
void _showDatePicker() async {
DateTime firstDate = DateTime.now();
final DateTime initialDate =
widget.selectedDate != null && widget.selectedDate.isNotEmpty
? DateTime.tryParse(widget.selectedDate)
: DateTime.now();
if (widget.firstDate != null) {
if (initialDate.isBefore(firstDate)) {
firstDate = initialDate;
}
} else {
firstDate = DateTime(2015, 8);
}
final DateTime selectedDate = await showDatePicker(
context: context,
initialDate: initialDate,
firstDate: firstDate,
lastDate: DateTime(2101),
//initialEntryMode: DatePickerEntryMode.input,
);
if (selectedDate != null) {
final date = convertDateTimeToSqlDate(selectedDate);
_textController.text = formatDate(date, context);
widget.onSelected(date);
}
}
@override
Widget build(BuildContext context) {
return TextFormField(
focusNode: _focusNode,
validator: widget.validator,
autovalidateMode: widget.autoValidate
? AutovalidateMode.always
: AutovalidateMode.onUserInteraction,
controller: _textController,
decoration: InputDecoration(
labelText: widget.labelText,
suffixIcon:
widget.allowClearing && (widget.selectedDate ?? '').isNotEmpty
? IconButton(
icon: Icon(Icons.clear),
onPressed: () {
_textController.text = '';
widget.onSelected('');
},
)
: IconButton(
icon: Icon(Icons.date_range),
onPressed: () => _showDatePicker(),
)),
onChanged: (value) {
if (value.isEmpty) {
widget.onSelected('');
} else {
String date = '';
if (isAllDigits(value)) {
if (value.length < 4) {
value = '0$value';
}
if (value.length < 5) {
value = '${DateTime.now().year}$value';
}
date = convertDateTimeToSqlDate(DateTime.tryParse(value));
} else {
date = parseDate(value, context);
}
if ((date ?? '').isNotEmpty) {
widget.onSelected(date);
}
}
},
);
}
}