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main.dart
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main.dart
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import 'package:flutter/material.dart';
import 'package:flutter_highlighting/flutter_highlighting.dart';
import 'package:flutter_highlighting/theme_map.dart';
import 'package:highlighting/languages/all.dart';
import 'package:highlighting/languages/dart.dart';
import 'example_map.dart';
void main() => runApp(MyApp());
const _title = 'Flutter Highlighting by Akvelon';
class MyApp extends StatelessWidget {
@override
Widget build(BuildContext context) {
return MaterialApp(
debugShowCheckedModeBanner: false,
title: _title,
home: MyHomePage(),
);
}
}
class MyHomePage extends StatefulWidget {
@override
_MyHomePageState createState() => _MyHomePageState();
}
class _MyHomePageState extends State<MyHomePage> {
String languageId = dart.id;
String theme = 'a11y-dark';
TextEditingController controller = TextEditingController();
Widget _buildMenuContent(String text) {
return Container(
padding: EdgeInsets.symmetric(horizontal: 12),
child: Row(children: <Widget>[
Text(text, style: TextStyle(fontSize: 16)),
Icon(Icons.arrow_drop_down)
]),
);
}
@override
Widget build(BuildContext context) {
return Scaffold(
appBar: AppBar(
title: Text(_title),
actions: <Widget>[
IconButton(
onPressed: () {
setState(() {});
},
icon: Icon(Icons.format_color_text)),
PopupMenuButton<String>(
child: _buildMenuContent(languageId),
itemBuilder: (context) {
return builtinLanguages.keys.map((key) {
return CheckedPopupMenuItem(
value: key,
child: Text(key),
checked: languageId == key,
);
}).toList();
},
onSelected: (selected) {
setState(() {
languageId = selected;
controller.value = TextEditingValue.empty;
});
},
),
PopupMenuButton<String>(
child: _buildMenuContent(theme),
itemBuilder: (context) {
return themeMap.keys.map((key) {
return CheckedPopupMenuItem(
value: key,
child: Text(key),
checked: theme == key,
);
}).toList();
},
onSelected: (selected) {
setState(() {
theme = selected;
});
},
),
],
),
body: Center(
child: ListView(
children: <Widget>[
TextField(
controller: controller,
maxLines: null,
),
const SizedBox(height: 20),
HighlightView(
controller.text.isEmpty
? exampleMap[languageId] ?? ''
: controller.text,
languageId: languageId,
theme: themeMap[theme]!,
padding: EdgeInsets.all(12),
textStyle: TextStyle(
fontFamily:
'SFMono-Regular,Consolas,Liberation Mono,Menlo,monospace',
),
),
],
),
),
);
}
}