117 lines
3.4 KiB
Dart
117 lines
3.4 KiB
Dart
import 'package:flutter/material.dart';
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import 'package:flutter/services.dart';
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import 'package:flutter_bloc/flutter_bloc.dart';
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import '../../../../../application/auth/check_phone_form/check_phone_form_bloc.dart';
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import '../../../../../common/theme/theme.dart';
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import '../../../../components/field/field.dart';
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class LoginPhoneField extends StatefulWidget {
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const LoginPhoneField({super.key});
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@override
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State<LoginPhoneField> createState() => _LoginPhoneFieldState();
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}
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class _LoginPhoneFieldState extends State<LoginPhoneField> {
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final TextEditingController _controller = TextEditingController();
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final FocusNode _focusNode = FocusNode();
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bool _hasFocus = false;
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@override
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void initState() {
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super.initState();
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_focusNode.addListener(() {
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setState(() {
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_hasFocus = _focusNode.hasFocus;
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});
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});
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}
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@override
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void dispose() {
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_controller.dispose();
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_focusNode.dispose();
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super.dispose();
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}
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void _clearText() {
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_controller.clear();
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context.read<CheckPhoneFormBloc>().add(
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const CheckPhoneFormEvent.phoneNumberChanged(''),
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);
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setState(() {});
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}
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@override
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Widget build(BuildContext context) {
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return AppTextFormField(
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title: 'Masukkan no telepon',
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hintText: '8712671212',
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helperText: 'Harus diawali angka 8',
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controller: _controller,
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focusNode: _focusNode,
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keyboardType: TextInputType.phone,
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inputFormatters: [_PhoneAfterCountryCodeFormatter()],
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validator: (value) {
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final phoneNumber = context.read<CheckPhoneFormBloc>().state.phoneNumber;
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if (phoneNumber.isEmpty) {
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return 'Masukkan no telepon';
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}
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if (!phoneNumber.startsWith('8')) {
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return 'No telepon harus diawali angka 8';
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}
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return null;
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},
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prefixIcon: Padding(
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padding: const EdgeInsets.symmetric(horizontal: 12),
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child: Text(
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'+62',
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style: AppStyle.md.copyWith(
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color: AppColor.textPrimary,
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fontWeight: FontWeight.w500,
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),
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),
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),
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suffixIcon: (_hasFocus && _controller.text.isNotEmpty)
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? IconButton(
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onPressed: _clearText,
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icon: Icon(Icons.close, color: AppColor.primary, size: 20),
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constraints: const BoxConstraints(),
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padding: const EdgeInsets.all(8),
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)
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: null,
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onChanged: (value) {
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context.read<CheckPhoneFormBloc>().add(
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CheckPhoneFormEvent.phoneNumberChanged(value),
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);
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},
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);
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}
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}
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/// Prefix +62 sudah tampil di field, jadi input harus langsung diawali 8.
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/// Ketikan `0`/`6` di awal ditolak; tempelan `08…`, `62…`, atau `+62…`
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/// dirapikan jadi `8…`.
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class _PhoneAfterCountryCodeFormatter extends TextInputFormatter {
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@override
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TextEditingValue formatEditUpdate(
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TextEditingValue oldValue,
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TextEditingValue newValue,
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) {
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var digits = newValue.text.replaceAll(RegExp(r'\D'), '');
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if (digits.startsWith('62')) digits = digits.substring(2);
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digits = digits.replaceFirst(RegExp(r'^0+'), '');
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if (digits.isEmpty) return const TextEditingValue();
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if (!digits.startsWith('8')) return oldValue;
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if (digits == newValue.text) return newValue;
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return TextEditingValue(
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text: digits,
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selection: TextSelection.collapsed(offset: digits.length),
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);
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}
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}
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