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Merge pull request #119 from mylxsw/develop
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,77 @@ | ||
| import 'package:askaide/helper/ability.dart'; | ||
| import 'package:askaide/page/component/dialog.dart'; | ||
| import 'package:clipboard/clipboard.dart'; | ||
| import 'package:flutter/material.dart'; | ||
| import 'package:flutter_highlight/flutter_highlight.dart'; | ||
| import 'package:flutter_highlight/themes/default.dart'; | ||
| import 'package:flutter_highlight/themes/monokai.dart'; | ||
| import 'package:flutter_markdown/flutter_markdown.dart'; | ||
| import 'package:markdown/markdown.dart' as md; | ||
|
|
||
| class CodeElementBuilder extends MarkdownElementBuilder { | ||
| @override | ||
| Widget? visitElementAfter(md.Element element, TextStyle? preferredStyle) { | ||
| var language = ''; | ||
|
|
||
| if (element.attributes['class'] != null) { | ||
| String lg = element.attributes['class'] as String; | ||
| language = lg.substring(9); | ||
| } | ||
|
|
||
| final multiLine = element.textContent.trim().split("\n").length > 1; | ||
|
|
||
| final child = SizedBox( | ||
| child: HighlightView( | ||
| // The original code to be highlighted | ||
| element.textContent, | ||
|
|
||
| // Specify language | ||
| // It is recommended to give it a value for performance | ||
| language: language, | ||
|
|
||
| // Specify highlight theme | ||
| // All available themes are listed in `themes` folder | ||
| theme: Ability().themeMode != 'dark' ? defaultTheme : monokaiTheme, | ||
|
|
||
| // Specify padding | ||
| padding: multiLine | ||
| ? const EdgeInsets.only( | ||
| top: 30, | ||
| bottom: 10, | ||
| left: 10, | ||
| right: 10, | ||
| ) | ||
| : const EdgeInsets.symmetric(horizontal: 5, vertical: 2), | ||
|
|
||
| textStyle: const TextStyle( | ||
| fontSize: 14, | ||
| height: 1.5, | ||
| wordSpacing: 3, | ||
| ), | ||
| ), | ||
| ); | ||
|
|
||
| if (multiLine) { | ||
| return Stack( | ||
| children: [ | ||
| child, | ||
| Positioned( | ||
| right: 0, | ||
| top: 0, | ||
| child: IconButton( | ||
| tooltip: '复制代码', | ||
| icon: const Icon(Icons.copy, size: 12), | ||
| onPressed: () { | ||
| FlutterClipboard.copy(element.textContent).then((value) { | ||
| showSuccessMessage('已复制到剪贴板'); | ||
| }); | ||
| }, | ||
| ), | ||
| ), | ||
| ], | ||
| ); | ||
| } | ||
|
|
||
| return child; | ||
| } | ||
| } |
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