274 lines
10 KiB
Dart
274 lines
10 KiB
Dart
import 'package:flutter/material.dart';
|
|
import 'package:mih_package_toolkit/src/mih_colors.dart';
|
|
|
|
/// A customized date selection field that integrates with [showDatePicker].
|
|
///
|
|
/// The [MihDateField] provides a stylized wrapper around a read-only [TextFormField].
|
|
/// When tapped, it opens the system date picker and formats the result into
|
|
/// the provided [controller].
|
|
///
|
|
/// It features:
|
|
/// * Built-in validation support via [validator].
|
|
/// * Automatic labeling with an optional "(Optional)" suffix.
|
|
/// * Theme-aware styling that syncs with [MihColors].
|
|
/// * Custom elevation and border radius.
|
|
class MihDateField extends StatefulWidget {
|
|
/// The primary color of the date picker
|
|
final Color? primaryColor;
|
|
|
|
/// The secondary color of the date picker
|
|
final Color? secondayColor;
|
|
|
|
/// The controller that handles the text being edited.
|
|
///
|
|
/// The date will be stored in `YYYY-MM-DD` format.
|
|
final TextEditingController controller;
|
|
|
|
/// The text to display above the input field.
|
|
final String labelText;
|
|
|
|
/// Whether this field is mandatory.
|
|
///
|
|
/// If `false`, a "(Optional)" tag will be displayed next to the [labelText].
|
|
final bool required;
|
|
|
|
/// The width of the entire widget.
|
|
final double? width;
|
|
|
|
/// The height of the entire widget.
|
|
final double? height;
|
|
|
|
/// The radius of the input field corners. Defaults to 8.0.
|
|
final double? borderRadius;
|
|
|
|
/// The elevation of the input field material. Defaults to 4.0.
|
|
final double? elevation;
|
|
|
|
/// Whether to use Dark Mode styling. If null, [MihColors] defaults to dark.
|
|
final bool? darkMode;
|
|
|
|
/// An optional method that validates an input.
|
|
///
|
|
/// Returns an error string to display if the input is invalid, or null otherwise.
|
|
final FormFieldValidator<String>? validator;
|
|
const MihDateField({
|
|
super.key,
|
|
required this.controller,
|
|
required this.labelText,
|
|
required this.required,
|
|
this.primaryColor,
|
|
this.secondayColor,
|
|
this.width,
|
|
this.height,
|
|
this.borderRadius,
|
|
this.elevation,
|
|
this.darkMode,
|
|
this.validator,
|
|
});
|
|
|
|
@override
|
|
State<MihDateField> createState() => _MihDateFieldState();
|
|
}
|
|
|
|
class _MihDateFieldState extends State<MihDateField> {
|
|
/// Used to manually trigger state changes for the internal [FormField]
|
|
/// when the date picker updates the [TextEditingController].
|
|
FormFieldState<String>? _formFieldState;
|
|
|
|
/// Internal method to trigger the Material [showDatePicker].
|
|
///
|
|
/// It attempts to parse the current text in the controller to set the
|
|
/// [initialDate], defaulting to [DateTime.now] if empty or invalid.
|
|
Future<void> _selectDate(BuildContext context) async {
|
|
DateTime? picked = await showDatePicker(
|
|
context: context,
|
|
initialDate: widget.controller.text.isNotEmpty
|
|
? DateTime.tryParse(widget.controller.text) ?? DateTime.now()
|
|
: DateTime.now(),
|
|
firstDate: DateTime(1900),
|
|
lastDate: DateTime(2200),
|
|
builder: (context, child) {
|
|
return Theme(
|
|
data: Theme.of(context).copyWith(
|
|
colorScheme: ColorScheme.fromSeed(
|
|
seedColor: widget.primaryColor ?? MihColors.primary(),
|
|
primary: widget.secondayColor ??
|
|
MihColors.secondary(), // Header & Selected Day
|
|
onPrimary: widget.primaryColor ??
|
|
MihColors.primary(), // Text on top of primary
|
|
surface:
|
|
widget.secondayColor ?? MihColors.secondary(), // Background
|
|
onSurface:
|
|
widget.secondayColor ?? MihColors.secondary(), // Text/Dates
|
|
),
|
|
datePickerTheme: DatePickerThemeData(
|
|
backgroundColor: widget.primaryColor ?? MihColors.primary(),
|
|
headerBackgroundColor:
|
|
widget.secondayColor ?? MihColors.secondary(),
|
|
headerForegroundColor: widget.primaryColor ?? MihColors.primary(),
|
|
),
|
|
textButtonTheme: TextButtonThemeData(
|
|
style: TextButton.styleFrom(
|
|
foregroundColor: widget.secondayColor ??
|
|
MihColors.secondary(), // Action buttons (OK/Cancel)
|
|
),
|
|
),
|
|
),
|
|
child: child!,
|
|
);
|
|
},
|
|
);
|
|
if (picked != null) {
|
|
widget.controller.text = picked.toString().split(" ")[0];
|
|
_formFieldState?.didChange(widget.controller.text);
|
|
setState(() {});
|
|
}
|
|
}
|
|
|
|
@override
|
|
Widget build(BuildContext context) {
|
|
return Center(
|
|
child: SizedBox(
|
|
width: widget.width,
|
|
height: widget.height,
|
|
child: Column(
|
|
crossAxisAlignment: CrossAxisAlignment.start,
|
|
children: [
|
|
Row(
|
|
mainAxisAlignment: MainAxisAlignment.spaceBetween,
|
|
children: [
|
|
Text(
|
|
widget.labelText,
|
|
style: TextStyle(
|
|
color: MihColors.secondary(darkMode: widget.darkMode),
|
|
fontSize: 18,
|
|
fontWeight: FontWeight.bold,
|
|
),
|
|
),
|
|
if (!widget.required)
|
|
Text(
|
|
"(Optional)",
|
|
style: TextStyle(
|
|
color: MihColors.secondary(darkMode: widget.darkMode),
|
|
fontSize: 15,
|
|
fontWeight: FontWeight.bold,
|
|
),
|
|
),
|
|
],
|
|
),
|
|
const SizedBox(height: 4),
|
|
FormField<String>(
|
|
initialValue: widget.controller.text,
|
|
validator: widget.validator,
|
|
autovalidateMode: AutovalidateMode.onUserInteraction,
|
|
builder: (field) {
|
|
_formFieldState = field;
|
|
return Column(
|
|
crossAxisAlignment: CrossAxisAlignment.start,
|
|
children: [
|
|
Material(
|
|
elevation: widget.elevation ?? 4.0,
|
|
borderRadius: BorderRadius.circular(
|
|
widget.borderRadius ?? 8.0,
|
|
),
|
|
child: TextFormField(
|
|
controller: widget.controller,
|
|
readOnly: true,
|
|
onTap: () => _selectDate(context),
|
|
style: TextStyle(
|
|
color: MihColors.primary(darkMode: widget.darkMode),
|
|
fontWeight: FontWeight.w500,
|
|
),
|
|
decoration: InputDecoration(
|
|
suffixIcon: Icon(
|
|
Icons.calendar_today,
|
|
color: MihColors.primary(darkMode: widget.darkMode),
|
|
),
|
|
errorStyle: const TextStyle(height: 0, fontSize: 0),
|
|
contentPadding: const EdgeInsets.symmetric(
|
|
horizontal: 10.0,
|
|
vertical: 8.0,
|
|
),
|
|
filled: true,
|
|
fillColor: MihColors.secondary(
|
|
darkMode: widget.darkMode,
|
|
),
|
|
border: OutlineInputBorder(
|
|
borderRadius: BorderRadius.circular(
|
|
widget.borderRadius ?? 8.0,
|
|
),
|
|
borderSide: field.hasError
|
|
? BorderSide(
|
|
color: MihColors.red(
|
|
darkMode: widget.darkMode,
|
|
),
|
|
width: 2.0,
|
|
)
|
|
: BorderSide.none,
|
|
),
|
|
enabledBorder: OutlineInputBorder(
|
|
borderRadius: BorderRadius.circular(
|
|
widget.borderRadius ?? 8.0,
|
|
),
|
|
borderSide: BorderSide.none,
|
|
),
|
|
focusedBorder: OutlineInputBorder(
|
|
borderRadius: BorderRadius.circular(
|
|
widget.borderRadius ?? 8.0,
|
|
),
|
|
borderSide: BorderSide(
|
|
color: field.hasError
|
|
? MihColors.red(darkMode: widget.darkMode)
|
|
: MihColors.secondary(
|
|
darkMode: widget.darkMode,
|
|
),
|
|
width: 3.0,
|
|
),
|
|
),
|
|
errorBorder: OutlineInputBorder(
|
|
borderRadius: BorderRadius.circular(
|
|
widget.borderRadius ?? 8.0,
|
|
),
|
|
borderSide: BorderSide(
|
|
color: MihColors.red(darkMode: widget.darkMode),
|
|
width: 3.0,
|
|
),
|
|
),
|
|
focusedErrorBorder: OutlineInputBorder(
|
|
borderRadius: BorderRadius.circular(
|
|
widget.borderRadius ?? 8.0,
|
|
),
|
|
borderSide: BorderSide(
|
|
color: MihColors.red(darkMode: widget.darkMode),
|
|
width: 3.0,
|
|
),
|
|
),
|
|
),
|
|
onChanged: (value) {
|
|
field.didChange(value);
|
|
},
|
|
),
|
|
),
|
|
if (field.hasError)
|
|
Padding(
|
|
padding: const EdgeInsets.only(left: 8.0, top: 4.0),
|
|
child: Text(
|
|
field.errorText ?? '',
|
|
style: TextStyle(
|
|
fontSize: 12,
|
|
color: MihColors.red(darkMode: widget.darkMode),
|
|
fontWeight: FontWeight.bold,
|
|
),
|
|
),
|
|
),
|
|
],
|
|
);
|
|
},
|
|
),
|
|
],
|
|
),
|
|
),
|
|
);
|
|
}
|
|
}
|