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330 lines
12 KiB
330 lines
12 KiB
import 'package:flutter/material.dart';
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import 'relay_management_controller.dart';
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import '../../data/nostr/models/nostr_relay.dart';
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/// Screen for managing Nostr relays.
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///
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/// Allows users to view, add, remove, test, and toggle relays.
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class RelayManagementScreen extends StatefulWidget {
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/// Controller for managing relay state.
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final RelayManagementController controller;
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/// Creates a [RelayManagementScreen] instance.
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const RelayManagementScreen({
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super.key,
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required this.controller,
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});
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@override
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State<RelayManagementScreen> createState() => _RelayManagementScreenState();
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}
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class _RelayManagementScreenState extends State<RelayManagementScreen> {
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final TextEditingController _urlController = TextEditingController();
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@override
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void dispose() {
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_urlController.dispose();
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super.dispose();
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}
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@override
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Widget build(BuildContext context) {
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return Scaffold(
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appBar: AppBar(
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title: const Text('Nostr Relay Management'),
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),
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body: ListenableBuilder(
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listenable: widget.controller,
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builder: (context, child) {
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return Column(
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children: [
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// Error message
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if (widget.controller.error != null)
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Container(
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width: double.infinity,
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padding: const EdgeInsets.all(16),
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color: Colors.red.shade100,
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child: Row(
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children: [
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Icon(Icons.error, color: Colors.red.shade700),
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const SizedBox(width: 8),
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Expanded(
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child: Text(
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widget.controller.error!,
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style: TextStyle(color: Colors.red.shade700),
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),
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),
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IconButton(
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icon: const Icon(Icons.close),
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onPressed: widget.controller.clearError,
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color: Colors.red.shade700,
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),
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],
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),
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),
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// Top action buttons
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Padding(
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padding: const EdgeInsets.all(16),
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child: Column(
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crossAxisAlignment: CrossAxisAlignment.stretch,
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children: [
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// Test All and Toggle All buttons
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Row(
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children: [
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Expanded(
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child: ElevatedButton.icon(
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onPressed: widget.controller.isCheckingHealth
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? null
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: widget.controller.checkRelayHealth,
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icon: widget.controller.isCheckingHealth
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? const SizedBox(
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width: 16,
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height: 16,
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child: CircularProgressIndicator(strokeWidth: 2),
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)
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: const Icon(Icons.network_check),
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label: const Text('Test All'),
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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: ElevatedButton.icon(
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onPressed: widget.controller.relays.isEmpty
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? null
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: () async {
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await widget.controller.toggleAllRelays();
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},
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icon: const Icon(Icons.power_settings_new),
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label: Text(
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widget.controller.relays.isNotEmpty &&
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widget.controller.relays.every((r) => r.isEnabled)
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? 'Turn All Off'
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: 'Turn All On',
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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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// Add relay input
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Row(
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children: [
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Expanded(
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child: TextField(
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controller: _urlController,
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decoration: InputDecoration(
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labelText: 'Relay URL',
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hintText: 'wss://relay.example.com',
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border: const OutlineInputBorder(),
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),
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keyboardType: TextInputType.url,
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),
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),
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const SizedBox(width: 8),
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ElevatedButton.icon(
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onPressed: () async {
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final url = _urlController.text.trim();
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if (url.isNotEmpty) {
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final success = await widget.controller.addRelay(url);
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if (mounted) {
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if (success) {
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_urlController.clear();
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ScaffoldMessenger.of(context).showSnackBar(
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const SnackBar(
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content: Text('Relay added and connected successfully'),
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backgroundColor: Colors.green,
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duration: Duration(seconds: 2),
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),
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);
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} else {
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ScaffoldMessenger.of(context).showSnackBar(
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SnackBar(
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content: Text(
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widget.controller.error ?? 'Failed to connect to relay',
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),
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backgroundColor: Colors.orange,
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duration: const Duration(seconds: 3),
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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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icon: const Icon(Icons.add),
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label: const Text('Add'),
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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 Divider(),
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// Relay list
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Expanded(
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child: widget.controller.relays.isEmpty
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? Center(
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child: Column(
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mainAxisAlignment: MainAxisAlignment.center,
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children: [
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Icon(
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Icons.cloud_off,
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size: 64,
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color: Colors.grey.shade400,
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),
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const SizedBox(height: 16),
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Text(
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'No relays configured',
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style: Theme.of(context).textTheme.titleLarge?.copyWith(
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color: Colors.grey,
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),
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),
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const SizedBox(height: 8),
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Text(
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'Add a relay to get started',
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style: Theme.of(context).textTheme.bodyMedium?.copyWith(
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color: Colors.grey,
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),
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),
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],
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),
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)
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: ListView.builder(
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itemCount: widget.controller.relays.length,
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itemBuilder: (context, index) {
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final relay = widget.controller.relays[index];
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return _RelayListItem(
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relay: relay,
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onToggle: () async {
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await widget.controller.toggleRelay(relay.url);
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},
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onRemove: () {
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widget.controller.removeRelay(relay.url);
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ScaffoldMessenger.of(context).showSnackBar(
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SnackBar(
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content: Text('Relay ${relay.url} removed'),
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duration: const Duration(seconds: 2),
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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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);
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}
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}
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/// Widget for displaying a single relay in the list.
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class _RelayListItem extends StatelessWidget {
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/// The relay to display.
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final NostrRelay relay;
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/// Callback when toggle is pressed.
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final VoidCallback onToggle;
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/// Callback when remove is pressed.
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final VoidCallback onRemove;
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const _RelayListItem({
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required this.relay,
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required this.onToggle,
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required this.onRemove,
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});
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@override
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Widget build(BuildContext context) {
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return Card(
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margin: const EdgeInsets.symmetric(horizontal: 16, vertical: 8),
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child: Padding(
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padding: const EdgeInsets.all(12),
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child: Column(
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crossAxisAlignment: CrossAxisAlignment.start,
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children: [
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// Relay URL and status
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Row(
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children: [
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// Status indicator
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// Enabled means connected - if it's enabled but not connected, it should be disabled
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Container(
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width: 12,
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height: 12,
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decoration: BoxDecoration(
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shape: BoxShape.circle,
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color: relay.isConnected && relay.isEnabled
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? Colors.green
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: Colors.grey,
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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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relay.url,
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style: const TextStyle(
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fontWeight: FontWeight.bold,
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fontSize: 14,
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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: 8),
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// Status text
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// Enabled means connected - if it's enabled but not connected, it should be disabled
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Text(
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relay.isConnected && relay.isEnabled
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? 'Connected'
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: 'Disabled',
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style: TextStyle(
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fontSize: 12,
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color: relay.isConnected && relay.isEnabled
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? Colors.green
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: Colors.grey,
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),
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),
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const SizedBox(height: 12),
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// Action buttons
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Row(
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mainAxisAlignment: MainAxisAlignment.end,
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children: [
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// Toggle switch
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Row(
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children: [
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Text(
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relay.isEnabled ? 'On' : 'Off',
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style: TextStyle(
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fontSize: 12,
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color: Colors.grey[600],
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),
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),
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const SizedBox(width: 4),
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Switch(
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value: relay.isEnabled,
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onChanged: (_) => onToggle(),
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),
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],
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),
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const SizedBox(width: 8),
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// Remove button
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IconButton(
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icon: const Icon(Icons.delete, size: 20),
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color: Colors.red,
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tooltip: 'Remove',
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onPressed: onRemove,
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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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