87 lines
2.2 KiB
Dart
87 lines
2.2 KiB
Dart
import 'package:flutter/material.dart';
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import 'package:git_touch/models/code.dart';
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import 'package:git_touch/models/theme.dart';
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import 'package:provider/provider.dart';
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class DiffLine {
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String type;
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int lineNumber;
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String content;
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DiffLine({
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@required this.type,
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@required this.lineNumber,
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@required this.content,
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});
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}
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class DiffChunk {
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String heading;
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List<DiffLine> lines;
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DiffChunk({@required this.heading, @required this.lines});
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}
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class DiffView extends StatelessWidget {
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final String source;
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DiffView(this.source);
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@override
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Widget build(BuildContext context) {
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final code = Provider.of<CodeModel>(context);
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final theme = Provider.of<ThemeModel>(context);
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final lines = source.split('\n');
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final chunks = <DiffChunk>[];
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var offset = 0;
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for (final line in lines) {
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if (line.startsWith('@@')) {
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chunks.add(DiffChunk(heading: line, lines: []));
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offset = int.parse(line.substring(4).split(',')[0]);
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} else {
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chunks.last.lines.add(DiffLine(
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type: line.isEmpty ? null : line[0],
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lineNumber: offset,
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content: line,
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));
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offset++;
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}
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}
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return DefaultTextStyle(
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child: Column(
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crossAxisAlignment: CrossAxisAlignment.start,
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children: [
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for (var c in chunks)
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Column(
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crossAxisAlignment: CrossAxisAlignment.start,
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children: [
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Text(
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c.heading,
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style: TextStyle(
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color: theme.palette.tertiaryText,
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backgroundColor: Color(0xfffafafa),
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),
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),
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for (var l in c.lines)
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Text(
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l.content,
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style: TextStyle(
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backgroundColor: l.type == '-'
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? Color(0x00fbe9eb)
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: l.type == '+'
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? Color(0xffecfdf0)
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: null,
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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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style: TextStyle(
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fontFamily: code.fontFamilyUsed,
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fontSize: 14,
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color: theme.palette.text,
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),
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);
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}
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}
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