470 lines
15 KiB
Dart
470 lines
15 KiB
Dart
import 'package:flutter/material.dart';
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import 'package:google_fonts/google_fonts.dart';
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import '../../design/pencil_theme.dart';
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/// 设计：`desgin/funymee_home.pen`「注销账户 · 步骤1」「注销账户 · 步骤2 二次验证」。
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/// 返回 `true` 表示用户在第二步确认注销（可继续调接口）。
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Future<bool> showDeleteAccountConfirmationFlow(BuildContext context) async {
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while (true) {
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final step1Ok = await showDialog<bool>(
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context: context,
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barrierDismissible: false,
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barrierColor: _kScrim,
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builder: (ctx) => const _DeleteAccountStep1Dialog(),
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);
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if (!context.mounted) return false;
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if (step1Ok != true) return false;
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final step2 = await showDialog<_DeleteStep2Result>(
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context: context,
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barrierDismissible: false,
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barrierColor: _kScrim,
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builder: (ctx) => const _DeleteAccountStep2Dialog(),
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);
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if (!context.mounted) return false;
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if (step2 == _DeleteStep2Result.confirmed) return true;
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if (step2 == _DeleteStep2Result.backToStep1) continue;
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return false;
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}
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}
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enum _DeleteStep2Result { backToStep1, confirmed }
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// --- 设计 token（与 .pen 一致）---
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const _kModalWidth = 350.0;
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const _kScrim = Color(0xB31C1917);
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const _kModalBorder = Color(0xFFFECACA);
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const _kDanger = Color(0xFFDC2626);
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const _kDangerIconBg = Color(0xFFFEE2E2);
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const _kTitle = PencilTheme.stone900;
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const _kBody = Color(0xFF57534E);
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const _kChkLabel = PencilTheme.stone700;
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const _kCancelFill = Color(0xFFF5F5F4);
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const _kCancelStroke = Color(0xFFE7E5E4);
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const _kPillBg = Color(0xFFFEF3C7);
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const _kPillInk = Color(0xFFB45309);
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const _kShieldBg = Color(0xFFFFEDD5);
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const _kShieldIcon = Color(0xFFC2410C);
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const _kInputFill = Color(0xFFFAFAF9);
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const _kInputStroke = Color(0xFFD6D3D1);
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const _kHintInfo = Color(0xFF78716C);
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class _DeleteAccountStep1Dialog extends StatefulWidget {
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const _DeleteAccountStep1Dialog();
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@override
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State<_DeleteAccountStep1Dialog> createState() =>
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_DeleteAccountStep1DialogState();
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}
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class _DeleteAccountStep1DialogState extends State<_DeleteAccountStep1Dialog> {
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bool _ack = false;
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@override
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Widget build(BuildContext context) {
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return Dialog(
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backgroundColor: Colors.transparent,
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insetPadding: const EdgeInsets.symmetric(horizontal: 20, vertical: 24),
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child: ConstrainedBox(
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constraints: const BoxConstraints(maxWidth: _kModalWidth),
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child: Container(
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padding: const EdgeInsets.all(22),
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decoration: BoxDecoration(
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color: Colors.white,
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borderRadius: BorderRadius.circular(20),
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border: Border.all(color: _kModalBorder),
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boxShadow: const [
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BoxShadow(
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color: Color(0x18000000),
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blurRadius: 28,
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offset: Offset(0, 12),
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),
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],
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),
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child: Column(
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mainAxisSize: MainAxisSize.min,
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children: [
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Center(
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child: Container(
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width: 52,
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height: 52,
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decoration: BoxDecoration(
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color: _kDangerIconBg,
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borderRadius: BorderRadius.circular(999),
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),
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child: const Icon(
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Icons.warning_amber_rounded,
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size: 28,
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color: _kDanger,
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),
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),
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),
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const SizedBox(height: 16),
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Text(
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'Delete account',
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textAlign: TextAlign.center,
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style: GoogleFonts.inter(
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fontSize: 20,
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fontWeight: FontWeight.w700,
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color: _kTitle,
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),
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),
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const SizedBox(height: 16),
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Text(
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'This cannot be undone. Your account, creations, credits, and all related data will be permanently removed.',
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textAlign: TextAlign.center,
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style: GoogleFonts.inter(
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fontSize: 14,
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fontWeight: FontWeight.w500,
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height: 1.45,
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color: _kBody,
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),
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),
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const SizedBox(height: 16),
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Padding(
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padding: const EdgeInsets.symmetric(vertical: 4),
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child: Row(
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crossAxisAlignment: CrossAxisAlignment.start,
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children: [
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SizedBox(
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width: 22,
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height: 22,
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child: Checkbox(
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value: _ack,
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onChanged: (v) =>
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setState(() => _ack = v ?? false),
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activeColor: _kDanger,
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side: const BorderSide(color: _kDanger, width: 2),
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shape: RoundedRectangleBorder(
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borderRadius: BorderRadius.circular(6),
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),
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materialTapTargetSize:
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MaterialTapTargetSize.shrinkWrap,
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),
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),
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const SizedBox(width: 10),
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Expanded(
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child: Text(
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'I understand the consequences and accept the risk of losing my data.',
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style: GoogleFonts.inter(
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fontSize: 13,
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fontWeight: FontWeight.w600,
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height: 1.4,
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color: _kChkLabel,
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),
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),
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),
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],
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),
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),
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const SizedBox(height: 16),
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Row(
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children: [
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Expanded(
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child: _DialogSecondaryButton(
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label: 'Cancel',
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onTap: () => Navigator.of(context).pop(false),
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),
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),
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const SizedBox(width: 12),
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Expanded(
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child: _DialogPrimaryButton(
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label: 'Continue',
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enabled: _ack,
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onTap: _ack
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? () => Navigator.of(context).pop(true)
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: null,
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),
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),
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],
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),
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],
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),
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),
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),
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);
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}
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}
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class _DeleteAccountStep2Dialog extends StatefulWidget {
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const _DeleteAccountStep2Dialog();
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@override
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State<_DeleteAccountStep2Dialog> createState() =>
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_DeleteAccountStep2DialogState();
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}
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class _DeleteAccountStep2DialogState extends State<_DeleteAccountStep2Dialog> {
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static const _phrase = 'PERMANENTLY DELETE';
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final _controller = TextEditingController();
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@override
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void initState() {
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super.initState();
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_controller.addListener(() => setState(() {}));
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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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super.dispose();
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}
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bool get _canConfirm => _controller.text == _phrase;
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@override
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Widget build(BuildContext context) {
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return Dialog(
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backgroundColor: Colors.transparent,
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insetPadding: const EdgeInsets.symmetric(horizontal: 20, vertical: 24),
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child: ConstrainedBox(
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constraints: const BoxConstraints(maxWidth: _kModalWidth),
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child: Container(
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padding: const EdgeInsets.all(22),
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decoration: BoxDecoration(
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color: Colors.white,
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borderRadius: BorderRadius.circular(20),
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border: Border.all(color: _kModalBorder),
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boxShadow: const [
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BoxShadow(
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color: Color(0x18000000),
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blurRadius: 28,
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offset: Offset(0, 12),
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),
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],
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),
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child: Column(
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mainAxisSize: MainAxisSize.min,
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children: [
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Center(
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child: Container(
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padding:
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const EdgeInsets.symmetric(horizontal: 12, vertical: 6),
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decoration: BoxDecoration(
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color: _kPillBg,
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borderRadius: BorderRadius.circular(999),
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),
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child: Text(
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'Verification',
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style: GoogleFonts.inter(
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fontSize: 12,
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fontWeight: FontWeight.w700,
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color: _kPillInk,
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),
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),
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),
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),
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const SizedBox(height: 14),
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Center(
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child: Container(
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width: 48,
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height: 48,
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decoration: BoxDecoration(
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color: _kShieldBg,
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borderRadius: BorderRadius.circular(14),
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),
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child: const Icon(
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Icons.gpp_maybe_rounded,
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size: 26,
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color: _kShieldIcon,
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),
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),
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),
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const SizedBox(height: 14),
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Text(
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'Final confirmation',
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textAlign: TextAlign.center,
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style: GoogleFonts.inter(
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fontSize: 19,
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fontWeight: FontWeight.w700,
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color: _kTitle,
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),
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),
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const SizedBox(height: 14),
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Text(
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'Type PERMANENTLY DELETE below exactly as shown. Wrong text cannot be submitted.',
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textAlign: TextAlign.center,
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style: GoogleFonts.inter(
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fontSize: 13,
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fontWeight: FontWeight.w500,
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height: 1.45,
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color: _kBody,
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),
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),
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const SizedBox(height: 14),
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SizedBox(
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height: 48,
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child: TextField(
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controller: _controller,
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textAlignVertical: TextAlignVertical.center,
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style: GoogleFonts.inter(
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fontSize: 15,
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fontWeight: FontWeight.w600,
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color: _kTitle,
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),
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decoration: InputDecoration(
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isDense: true,
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contentPadding: const EdgeInsets.symmetric(
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horizontal: 14,
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vertical: 14,
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),
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filled: true,
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fillColor: _kInputFill,
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hintText: _phrase,
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hintStyle: GoogleFonts.inter(
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fontSize: 15,
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fontWeight: FontWeight.w600,
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color: _kBody.withValues(alpha: 0.45),
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),
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border: OutlineInputBorder(
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borderRadius: BorderRadius.circular(12),
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borderSide: const BorderSide(color: _kInputStroke),
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),
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enabledBorder: OutlineInputBorder(
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borderRadius: BorderRadius.circular(12),
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borderSide: const BorderSide(color: _kInputStroke),
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),
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focusedBorder: OutlineInputBorder(
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borderRadius: BorderRadius.circular(12),
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borderSide: const BorderSide(color: _kDanger, width: 1.5),
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),
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),
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),
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),
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const SizedBox(height: 14),
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Row(
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crossAxisAlignment: CrossAxisAlignment.start,
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children: [
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const Padding(
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padding: EdgeInsets.only(top: 2),
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child: Icon(
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Icons.info_outline_rounded,
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size: 16,
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color: PencilTheme.underlineGold,
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),
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),
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const SizedBox(width: 8),
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Expanded(
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child: Text(
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'The button stays disabled until the phrase matches exactly.',
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style: GoogleFonts.inter(
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fontSize: 12,
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fontWeight: FontWeight.w500,
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height: 1.35,
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color: _kHintInfo,
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),
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),
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),
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],
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),
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const SizedBox(height: 16),
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Row(
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children: [
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Expanded(
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child: _DialogSecondaryButton(
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label: 'Back',
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onTap: () => Navigator.of(context)
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.pop(_DeleteStep2Result.backToStep1),
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),
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),
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const SizedBox(width: 12),
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Expanded(
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child: _DialogPrimaryButton(
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label: 'Delete account',
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enabled: _canConfirm,
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onTap: _canConfirm
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? () => Navigator.of(context)
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.pop(_DeleteStep2Result.confirmed)
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: null,
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),
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),
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],
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),
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],
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),
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),
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),
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);
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}
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}
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class _DialogSecondaryButton extends StatelessWidget {
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const _DialogSecondaryButton({
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required this.label,
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required this.onTap,
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});
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final String label;
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final VoidCallback onTap;
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@override
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Widget build(BuildContext context) {
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return Material(
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color: _kCancelFill,
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borderRadius: BorderRadius.circular(14),
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child: InkWell(
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onTap: onTap,
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borderRadius: BorderRadius.circular(14),
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child: Container(
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width: double.infinity,
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height: 48,
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alignment: Alignment.center,
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decoration: BoxDecoration(
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borderRadius: BorderRadius.circular(14),
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border: Border.all(color: _kCancelStroke),
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),
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child: Text(
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label,
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style: GoogleFonts.inter(
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fontSize: 15,
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fontWeight: FontWeight.w600,
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color: _kChkLabel,
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),
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),
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),
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),
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);
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}
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}
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class _DialogPrimaryButton extends StatelessWidget {
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const _DialogPrimaryButton({
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required this.label,
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required this.enabled,
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required this.onTap,
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});
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final String label;
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final bool enabled;
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final VoidCallback? onTap;
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@override
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Widget build(BuildContext context) {
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return Material(
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color: enabled ? _kDanger : _kDanger.withValues(alpha: 0.38),
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borderRadius: BorderRadius.circular(14),
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child: InkWell(
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onTap: onTap,
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borderRadius: BorderRadius.circular(14),
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child: SizedBox(
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width: double.infinity,
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height: 48,
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child: Center(
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child: Text(
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label,
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style: GoogleFonts.inter(
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fontSize: 15,
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fontWeight: FontWeight.w600,
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color: Colors.white,
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),
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),
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),
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),
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),
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);
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}
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}
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