forme_base_fields 2.0.1 
forme_base_fields: ^2.0.1 copied to clipboard
qyh.mebase fields for Forme
import 'package:flutter/material.dart';
import 'package:forme/forme.dart';
import 'package:forme_base_fields/field/material/forme_checkbox_tile.dart';
import 'package:forme_base_fields/field/material/forme_choice_chip.dart';
import 'package:forme_base_fields/field/material/forme_dropdown_button.dart';
import 'package:forme_base_fields/field/material/forme_filter_chip.dart';
import 'package:forme_base_fields/field/material/forme_slider.dart';
import 'package:forme_base_fields/field/material/forme_text_field.dart';
void main() {
runApp(const MyApp());
}
class MyApp extends StatelessWidget {
const MyApp({Key? key}) : super(key: key);
@override
Widget build(BuildContext context) {
return const MaterialApp(
debugShowCheckedModeBanner: false,
home: Signup(),
);
}
}
class Signup extends StatefulWidget {
const Signup({Key? key}) : super(key: key);
@override
State<StatefulWidget> createState() => _SignupState();
}
class _SignupState extends State<Signup> {
final FormeKey key = FormeKey();
int phoneIndex = 0;
final List<_PhoneField> phones = [];
TextStyle _getErrorStyle() {
final Color color = Theme.of(context).errorColor;
return Theme.of(context).textTheme.caption!.copyWith(color: color);
}
String? phoneNumberValidator(FormeFieldState field, String v) {
const String patttern = r'(^(?:[+0]9)?[0-9]{10,12}$)';
final RegExp regExp = RegExp(patttern);
if (v.isEmpty) {
return 'Please enter mobile number';
} else if (!regExp.hasMatch(v)) {
return 'Please enter valid mobile number';
}
return null;
}
void appendPhone() {
final int index = ++phoneIndex;
final Widget widget = Container(
padding: const EdgeInsets.all(10),
child: FormeTextField(
name: 'phone_$index',
order: index + 7,
validator: phoneNumberValidator,
decoration: InputDecoration(
border: const OutlineInputBorder(),
suffixIcon: Builder(builder: (context) {
return Row(
mainAxisSize: MainAxisSize.min,
children: [
const ValidationIcon(),
IconButton(
onPressed: () {
setState(() {
phones.removeWhere((element) => element.index == index);
});
},
icon: const Icon(Icons.cancel))
],
);
}),
suffixIconConstraints: const BoxConstraints.tightFor(),
labelText: 'Phone $index',
),
),
);
setState(() {
phones.add(_PhoneField(widget, index));
});
}
InputBorder? getEnabledBorder(FormeFieldValidation? validation,
{double width = 1}) {
return (validation?.isInvalid ?? false)
? OutlineInputBorder(
borderSide:
BorderSide(color: Theme.of(context).errorColor, width: width),
)
: null;
}
@override
Widget build(BuildContext context) {
return Scaffold(
appBar: AppBar(
title: Row(
children: const [
Expanded(
child: Text('Signup'),
)
],
),
),
body: SingleChildScrollView(
child: Column(
children: [
Forme(
autovalidateByOrder: true,
autovalidateMode: AutovalidateMode.onUserInteraction,
key: key,
child: Padding(
padding: const EdgeInsets.all(10),
child: Column(
children: <Widget>[
Container(
alignment: Alignment.center,
padding: const EdgeInsets.all(10),
child: const Text(
'Sign up',
style: TextStyle(
color: Colors.blue,
fontWeight: FontWeight.w500,
fontSize: 30),
)),
FormeTextField(
name: 'username',
order: 1,
validator: FormeValidates.notEmpty(
errorText: 'should not empty'),
asyncValidator: (field, value, isValid) {
return Future.delayed(const Duration(milliseconds: 800),
() {
if (value.length < 4) {
return 'username exists';
}
return null;
});
},
decoration: const InputDecoration(
border: OutlineInputBorder(),
suffixIcon: ValidationIcon(),
suffixIconConstraints: BoxConstraints.tightFor(),
hintText: 'input at least 4 chars',
labelText: 'User Name',
),
),
Container(
padding: const EdgeInsets.only(
left: 10, right: 10, bottom: 10),
child: FormeDropdownButton<String>(
order: 2,
decoration: const InputDecoration(
labelText: 'Gender',
),
validator: FormeValidates.notNull(
errorText: 'gender is required'),
name: 'gender',
items: const [
DropdownMenuItem(
value: 'male',
child: Text('male'),
),
DropdownMenuItem(
value: 'female',
child: Text('female'),
),
DropdownMenuItem(
value: 'secret',
child: Text('secret'),
),
],
),
),
Container(
padding: const EdgeInsets.only(
left: 10, right: 10, bottom: 10),
child: FormeSlider(
order: 3,
decoration: const InputDecoration(
labelText: 'Age',
border: InputBorder.none,
),
name: 'age',
min: 13,
max: 99,
),
),
Container(
padding: const EdgeInsets.only(
left: 10, right: 10, bottom: 10),
child: FormeFilterChip<String>(
order: 4,
maxSelectedCount: 2,
validator: (f, v) {
if (v.isEmpty) {
return 'select at least one skill';
}
return null;
},
decorator: FormeInputDecoratorBuilder(
counter: (s) => s.length,
maxLength: 2,
wrapper: (child, field) {
return Padding(
padding:
const EdgeInsets.symmetric(vertical: 10),
child: child,
);
},
decoration: const InputDecoration(
contentPadding: EdgeInsets.all(10),
labelText: 'Skill',
)),
name: 'skill',
items: [
FormeChipItem(
label: const Text('Flutter'), data: 'Flutter'),
FormeChipItem(
label: const Text('Java'), data: 'Java'),
FormeChipItem(
label: const Text('Android'), data: 'Android'),
]),
),
Container(
padding: const EdgeInsets.fromLTRB(10, 10, 10, 0),
child: Row(children: [
Expanded(
child: FormeFieldStatusListener(
name: 'password',
filter: (status) => status.isValidationChanged,
builder: (context, status, child) {
return FormeTextField(
order: 5,
obscureText: true,
name: 'password',
quietlyValidate: true,
validator: (f, v) {
if (v.isEmpty) {
return 'should not empty';
}
return null;
},
asyncValidator: (field, value, isValid) {
return Future.delayed(
const Duration(milliseconds: 800), () {
if (value.length < 4) {
return 'not strong enough';
}
return null;
});
},
decoration: InputDecoration(
suffixIcon: const ValidationIcon(),
suffixIconConstraints:
const BoxConstraints.tightFor(),
enabledBorder:
getEnabledBorder(status?.validation),
focusedBorder: getEnabledBorder(
status?.validation,
width: 2),
border: const OutlineInputBorder(),
labelText: 'Password',
),
);
},
),
),
const SizedBox(
width: 20,
),
Expanded(
child: FormeFieldStatusListener(
name: 'confirm',
filter: (status) => status.isValidationChanged,
builder: (context, status, child) {
return FormeTextField(
order: 6,
quietlyValidate: true,
obscureText: true,
name: 'confirm',
validator: (f, v) {
if (v != key.field('password').value) {
return 'password not match';
}
return null;
},
decoration: InputDecoration(
suffixIcon: const ValidationIcon(),
suffixIconConstraints:
const BoxConstraints.tightFor(),
border: const OutlineInputBorder(),
enabledBorder:
getEnabledBorder(status?.validation),
focusedBorder: getEnabledBorder(
status?.validation,
width: 2),
labelText: 'Confirm',
),
);
}),
),
]),
),
FormeFieldsValidationListener(
names: const {'password', 'confirm'},
builder: (context, validation) {
if (validation == null) {
return const SizedBox();
}
if (validation.isInvalid) {
return Padding(
padding: const EdgeInsets.only(left: 24, top: 10),
child: Text(
validation.validations.values
.where((element) => element.isInvalid)
.first
.error!,
style: _getErrorStyle(),
),
);
}
return const SizedBox.shrink();
},
),
Container(
padding: const EdgeInsets.all(10),
child: FormeTextField(
name: 'phone',
order: 7,
validator: phoneNumberValidator,
decoration: const InputDecoration(
border: OutlineInputBorder(),
suffixIcon: ValidationIcon(),
suffixIconConstraints: BoxConstraints.tightFor(),
labelText: 'Phone',
),
),
),
Column(
children: phones.map((e) => e.widget).toList(),
),
Container(
padding: const EdgeInsets.symmetric(horizontal: 10),
child: TextButton(
onPressed: appendPhone,
child: Padding(
padding: const EdgeInsets.all(10),
child: Column(
mainAxisSize: MainAxisSize.min,
children: const [
Icon(Icons.add),
Text('append phone')
],
),
),
),
),
Container(
padding: const EdgeInsets.symmetric(horizontal: 10),
child: FormeCheckboxTile(
order: phoneIndex + 8,
decorator: const FormeInputDecoratorBuilder(
decoration: InputDecoration(
isDense: true,
border: InputBorder.none,
contentPadding: EdgeInsets.zero,
)),
name: 'agree',
validator: (f, v) {
if (!v!) {
return 'you must agree before continue';
}
return null;
},
title: const Text(
'I have read and agree to the terms and conditions'),
),
),
const SizedBox(height: 10),
Row(
children: [
Expanded(
child: Container(
height: 50,
padding: const EdgeInsets.fromLTRB(10, 0, 10, 0),
child: FormeIsValueChangedListener(
builder: (context, isValueChanged) {
return ElevatedButton(
style: ElevatedButton.styleFrom(
primary: Colors.orangeAccent),
onPressed: isValueChanged ? key.reset : null,
child: const Text('Reset'),
);
}),
),
),
Expanded(
child: Container(
height: 50,
padding: const EdgeInsets.fromLTRB(10, 0, 10, 0),
child: FormeValidationListener(
builder: (context, validation, child) {
return ElevatedButton(
onPressed: validation.isValid
? () {
ScaffoldMessenger.of(context)
.showSnackBar(SnackBar(
content: Text(
key.value.toString())));
}
: null,
child: const Text('Signup'),
);
}),
),
),
],
),
FormeValueListener(builder: (context, value, child) {
return Text(value.toString());
}),
],
),
),
),
],
),
),
);
}
}
class ValidationIcon extends StatelessWidget {
const ValidationIcon({Key? key}) : super(key: key);
@override
Widget build(BuildContext context) {
return FormeFieldStatusListener<String>(
filter: (status) => status.isValidationChanged,
builder: (context, status, child) {
if (status == null) {
return const SizedBox.shrink();
}
return getIcon(status.validation);
},
);
}
static Widget getIcon(FormeFieldValidation validation) {
Widget icon;
if (validation.isValidating) {
icon = const SizedBox(
width: 24,
height: 24,
child: CircularProgressIndicator(),
);
} else if (validation.isValid) {
icon = const Icon(
Icons.check,
color: Colors.greenAccent,
);
} else if (validation.isFail || validation.isInvalid) {
icon = const Icon(
Icons.error,
color: Colors.redAccent,
);
} else {
icon = const SizedBox.shrink();
}
return Padding(
padding: const EdgeInsets.all(10),
child: icon,
);
}
}
class _PhoneField {
final Widget widget;
final int index;
_PhoneField(this.widget, this.index);
}Metadata
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base fields for Forme
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