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391
lib/views/device_detail_view.dart
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391
lib/views/device_detail_view.dart
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import 'package:flutter/material.dart';
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import 'package:provider/provider.dart';
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import '../models/device.dart';
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import '../models/static_talkgroup.dart';
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import '../services/authentication_manager.dart';
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import '../services/brandmeister_client.dart';
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import 'link_talkgroup_view.dart';
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class DeviceDetailView extends StatefulWidget {
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final Device device;
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const DeviceDetailView({super.key, required this.device});
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@override
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State<DeviceDetailView> createState() => _DeviceDetailViewState();
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}
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class _DeviceDetailViewState extends State<DeviceDetailView> {
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List<StaticTalkgroup> _talkgroups = [];
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Map<String, String> _allTalkgroups = {};
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bool _isLoadingTalkgroups = false;
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bool _isLoadingDeviceDetails = false;
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String? _errorMessage;
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@override
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void initState() {
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super.initState();
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_loadData();
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}
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Future<void> _loadData() async {
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setState(() {
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_isLoadingTalkgroups = true;
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_isLoadingDeviceDetails = true;
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_errorMessage = null;
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});
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try {
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final authManager = context.read<AuthenticationManager>();
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final results = await Future.wait([
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authManager.getTalkgroups(widget.device.id),
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authManager.getAllTalkgroups(),
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]);
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setState(() {
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_talkgroups = results[0] as List<StaticTalkgroup>;
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_allTalkgroups = results[1] as Map<String, String>;
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_isLoadingTalkgroups = false;
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_isLoadingDeviceDetails = false;
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});
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} on BrandmeisterError catch (e) {
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setState(() {
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_errorMessage = e.message;
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_isLoadingTalkgroups = false;
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_isLoadingDeviceDetails = false;
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});
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} catch (e) {
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setState(() {
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_errorMessage = e.toString();
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_isLoadingTalkgroups = false;
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_isLoadingDeviceDetails = false;
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});
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}
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}
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Future<void> _unlinkTalkgroup(StaticTalkgroup talkgroup) async {
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if (talkgroup.talkgroup == null || talkgroup.slot == null) {
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return;
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}
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try {
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final authManager = context.read<AuthenticationManager>();
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await authManager.unlinkTalkgroup(
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talkgroupId: talkgroup.talkgroup!,
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dmrId: widget.device.id,
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timeslot: talkgroup.slot!,
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);
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await _loadData();
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if (mounted) {
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ScaffoldMessenger.of(context).showSnackBar(
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const SnackBar(content: Text('Talkgroup unlinked successfully')),
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);
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}
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} on BrandmeisterError catch (e) {
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if (mounted) {
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ScaffoldMessenger.of(context).showSnackBar(
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SnackBar(content: Text('Failed to unlink: ${e.message}')),
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);
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}
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} catch (e) {
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if (mounted) {
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ScaffoldMessenger.of(context).showSnackBar(
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SnackBar(content: Text('Error: ${e.toString()}')),
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);
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}
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}
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}
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void _showLinkTalkgroupSheet() {
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showModalBottomSheet(
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context: context,
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isScrollControlled: true,
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builder: (context) => Padding(
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padding: EdgeInsets.only(
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bottom: MediaQuery.of(context).viewInsets.bottom,
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),
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child: LinkTalkgroupView(
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device: widget.device,
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onSuccess: () {
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Navigator.pop(context);
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_loadData();
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},
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),
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),
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);
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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: Text(widget.device.callsign ?? 'Device Details'),
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),
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floatingActionButton: FloatingActionButton(
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onPressed: _showLinkTalkgroupSheet,
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child: const Icon(Icons.add),
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),
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body: RefreshIndicator(
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onRefresh: _loadData,
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child: _buildBody(),
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),
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);
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}
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Widget _buildBody() {
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if ((_isLoadingTalkgroups || _isLoadingDeviceDetails) &&
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_talkgroups.isEmpty) {
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return const Center(
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child: CircularProgressIndicator(),
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);
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}
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if (_errorMessage != null) {
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return 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.error_outline,
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size: 64,
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color: Colors.red[300],
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),
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const SizedBox(height: 16),
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Text(
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'Error',
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style: Theme.of(context).textTheme.titleLarge,
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),
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const SizedBox(height: 8),
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Padding(
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padding: const EdgeInsets.symmetric(horizontal: 32),
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child: Text(
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_errorMessage!,
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textAlign: TextAlign.center,
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style: TextStyle(color: Colors.grey[600]),
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),
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),
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const SizedBox(height: 24),
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ElevatedButton.icon(
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onPressed: _loadData,
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icon: const Icon(Icons.refresh),
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label: const Text('Retry'),
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),
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],
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),
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);
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}
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return ListView(
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children: [
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_buildDeviceInfoSection(),
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const Divider(height: 1),
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_buildTalkgroupsSection(),
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],
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);
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}
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Widget _buildDeviceInfoSection() {
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return Container(
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padding: const EdgeInsets.all(16),
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child: Column(
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crossAxisAlignment: CrossAxisAlignment.start,
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children: [
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Text(
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'Device Information',
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style: Theme.of(context).textTheme.titleLarge?.copyWith(
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fontWeight: FontWeight.bold,
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),
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),
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const SizedBox(height: 16),
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_InfoRow(
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label: 'DMR ID',
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value: widget.device.id.toString(),
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),
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if (widget.device.callsign != null)
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_InfoRow(
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label: 'Callsign',
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value: widget.device.callsign!,
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),
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if (widget.device.name != null)
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_InfoRow(
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label: 'Name',
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value: widget.device.name!,
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),
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_InfoRow(
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label: 'Location',
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value: widget.device.displayLocation,
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),
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if (widget.device.hardware != null)
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_InfoRow(
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label: 'Hardware',
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value: widget.device.hardware!,
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),
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if (widget.device.firmware != null)
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_InfoRow(
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label: 'Firmware',
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value: widget.device.firmware!,
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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 _buildTalkgroupsSection() {
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return Container(
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padding: const EdgeInsets.all(16),
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child: Column(
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crossAxisAlignment: CrossAxisAlignment.start,
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children: [
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Row(
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mainAxisAlignment: MainAxisAlignment.spaceBetween,
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children: [
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Text(
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'Static Talkgroups',
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style: Theme.of(context).textTheme.titleLarge?.copyWith(
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fontWeight: FontWeight.bold,
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),
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),
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if (_isLoadingTalkgroups)
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const SizedBox(
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width: 20,
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height: 20,
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child: CircularProgressIndicator(strokeWidth: 2),
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),
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],
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),
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const SizedBox(height: 16),
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if (_talkgroups.isEmpty)
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Center(
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child: Padding(
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padding: const EdgeInsets.all(32),
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child: Column(
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children: [
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Icon(
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Icons.speaker_group,
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size: 48,
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color: Colors.grey[400],
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),
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const SizedBox(height: 8),
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Text(
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'No talkgroups linked',
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style: TextStyle(color: Colors.grey[600]),
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),
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],
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),
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),
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)
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else
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..._talkgroups.map((tg) => _TalkgroupRow(
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talkgroup: tg,
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talkgroupName: _allTalkgroups[tg.talkgroup],
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onDelete: () => _unlinkTalkgroup(tg),
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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 _InfoRow extends StatelessWidget {
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final String label;
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final String value;
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const _InfoRow({
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required this.label,
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required this.value,
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});
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@override
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Widget build(BuildContext context) {
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return Padding(
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padding: const EdgeInsets.only(bottom: 12),
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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: 100,
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child: Text(
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label,
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style: Theme.of(context).textTheme.bodyMedium?.copyWith(
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fontWeight: FontWeight.w500,
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color: Colors.grey[600],
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),
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),
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),
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Expanded(
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child: Text(
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value,
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style: Theme.of(context).textTheme.bodyMedium,
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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 _TalkgroupRow extends StatelessWidget {
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final StaticTalkgroup talkgroup;
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final String? talkgroupName;
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final VoidCallback onDelete;
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const _TalkgroupRow({
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required this.talkgroup,
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this.talkgroupName,
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required this.onDelete,
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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.only(bottom: 8),
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child: ListTile(
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leading: CircleAvatar(
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backgroundColor: Theme.of(context).colorScheme.secondaryContainer,
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child: Text(
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talkgroup.displaySlot,
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style: TextStyle(
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fontSize: 12,
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fontWeight: FontWeight.bold,
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color: Theme.of(context).colorScheme.onSecondaryContainer,
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),
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),
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),
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title: Text(talkgroupName ?? talkgroup.displayId),
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subtitle: Text('ID: ${talkgroup.displayId}'),
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trailing: IconButton(
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icon: const Icon(Icons.delete_outline),
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color: Colors.red,
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onPressed: () {
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showDialog(
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context: context,
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builder: (context) => AlertDialog(
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title: const Text('Unlink Talkgroup'),
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content: Text(
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'Are you sure you want to unlink talkgroup ${talkgroup.displayId}?',
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),
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actions: [
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TextButton(
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onPressed: () => Navigator.pop(context),
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child: const Text('Cancel'),
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),
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TextButton(
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onPressed: () {
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Navigator.pop(context);
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onDelete();
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},
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style: TextButton.styleFrom(foregroundColor: Colors.red),
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child: const Text('Unlink'),
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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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