76 lines
2.7 KiB
Dart
76 lines
2.7 KiB
Dart
import 'package:date_field/src/field.dart';
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import 'package:flutter/cupertino.dart';
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import 'package:flutter/material.dart';
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import 'package:intl/intl.dart';
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/// A [FormField] that contains a [DateTimeField].
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///
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/// This is a convenience widget that wraps a [DateTimeField] widget in a
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/// [FormField].
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///
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/// A [Form] ancestor is not required. The [Form] simply makes it easier to
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/// save, reset, or validate multiple fields at once. To use without a [Form],
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/// pass a [GlobalKey] to the constructor and use [GlobalKey.currentState] to
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/// save or reset the form field.
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class DateTimeFormField extends FormField<DateTime> {
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DateTimeFormField({
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Key? key,
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FormFieldSetter<DateTime>? onSaved,
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FormFieldValidator<DateTime>? validator,
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DateTime? initialValue,
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AutovalidateMode? autovalidateMode,
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bool enabled = true,
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TextStyle? dateTextStyle,
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DateFormat? dateFormat,
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DateTime? firstDate,
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DateTime? lastDate,
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ValueChanged<DateTime>? onDateSelected,
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InputDecoration? decoration,
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DatePickerEntryMode initialEntryMode = DatePickerEntryMode.calendar,
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DatePickerMode initialDatePickerMode = DatePickerMode.day,
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DateTimeFieldPickerMode mode = DateTimeFieldPickerMode.dateAndTime,
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}) : super(
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key: key,
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initialValue: initialValue,
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onSaved: onSaved,
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validator: validator,
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autovalidateMode: autovalidateMode,
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enabled: enabled,
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builder: (FormFieldState<DateTime> field) {
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// Theme defaults are applied inside the _InputDropdown widget
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final InputDecoration _decorationWithThemeDefaults =
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decoration ?? const InputDecoration();
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final InputDecoration effectiveDecoration =
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_decorationWithThemeDefaults.copyWith(
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errorText: field.errorText);
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void onChangedHandler(DateTime value) {
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if (onDateSelected != null) {
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onDateSelected(value);
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}
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field.didChange(value);
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}
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return DateTimeField(
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firstDate: firstDate,
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lastDate: lastDate,
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decoration: effectiveDecoration,
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initialDatePickerMode: initialDatePickerMode,
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dateFormat: dateFormat,
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onDateSelected: onChangedHandler,
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selectedDate: field.value,
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enabled: enabled,
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mode: mode,
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initialEntryMode: initialEntryMode,
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dateTextStyle: dateTextStyle,
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);
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},
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);
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@override
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_DateFormFieldState createState() => _DateFormFieldState();
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}
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class _DateFormFieldState extends FormFieldState<DateTime> {}
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