fluffychat/lib/widgets/log_view.dart

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import 'package:matrix/matrix.dart';
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import 'package:flutter/material.dart';
class LogViewer extends StatefulWidget {
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const LogViewer({Key key}) : super(key: key);
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@override
_LogViewerState createState() => _LogViewerState();
}
class _LogViewerState extends State<LogViewer> {
Level logLevel = Level.debug;
double fontSize = 14;
@override
Widget build(BuildContext context) {
final outputEvents = Logs()
.outputEvents
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.where((e) => e.level.index <= logLevel.index)
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.toList();
return Scaffold(
backgroundColor: Colors.black,
appBar: AppBar(
title: Text(logLevel.toString()),
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leading: const BackButton(),
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actions: [
IconButton(
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icon: const Icon(Icons.zoom_in_outlined),
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onPressed: () => setState(() => fontSize++),
),
IconButton(
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icon: const Icon(Icons.zoom_out_outlined),
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onPressed: () => setState(() => fontSize--),
),
PopupMenuButton<Level>(
itemBuilder: (context) => Level.values
.map((level) => PopupMenuItem(
value: level,
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child: Text(level.toString()),
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))
.toList(),
onSelected: (Level level) => setState(() => logLevel = level),
),
],
),
body: ListView.builder(
itemCount: outputEvents.length,
itemBuilder: (context, i) => SingleChildScrollView(
scrollDirection: Axis.horizontal,
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child: SelectableText(
outputEvents[i].toDisplayString(),
style: TextStyle(
color: outputEvents[i].color,
),
),
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),
),
);
}
}
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extension on LogEvent {
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Color get color {
switch (level) {
case Level.wtf:
return Colors.purple;
case Level.error:
return Colors.red;
case Level.warning:
return Colors.orange;
case Level.info:
return Colors.green;
case Level.debug:
return Colors.white;
case Level.verbose:
default:
return Colors.grey;
}
}
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String toDisplayString() {
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var str = '# [${level.toString().split('.').last.toUpperCase()}] $title';
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if (exception != null) {
str += ' - ${exception.toString()}';
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}
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if (stackTrace != null) {
str += '\n${stackTrace.toString()}';
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}
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return str;
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}
}