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fix: fix Latex BuildException #7961

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fix: fix Latex BuildException #7961

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dc2ca48
fix: fix #7949 Latex Build Exception
M-T-Arden May 21, 2025
a69cfb8
fix: fix #7949 Latex BuildException
M-T-Arden May 22, 2025
c2f13dd
fix: fix Latex Building Exception
M-T-Arden May 22, 2025
cf21ba7
fix: adjust formula alignment to left after fixing BuildException
M-T-Arden May 23, 2025
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18 changes: 17 additions & 1 deletion ...ins/document/presentation/editor_plugins/math_equation/math_equation_block_component.dart
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Original file line number Diff line number Diff line change
Expand Up @@ -138,6 +138,21 @@ class MathEquationBlockComponentWidgetState
child: _build(context),
);
}

String safeLatex(String raw) {
if (raw.contains(r'\\') && !raw.contains(r'\begin{')) {
final lines = raw.split(r'\\');
final processedLines = lines.map((line) {
final trimmed = line.trim();
return trimmed.isEmpty ? '' : '& $trimmed';
}).toList();

return r'\begin{aligned}' +
processedLines.join(r' \\') +
r'\end{aligned}';
}
return raw;
}

Widget _build(BuildContext context) {
Widget child = Container(
Expand Down Expand Up @@ -222,9 +237,10 @@ class MathEquationBlockComponentWidgetState
}

Widget _buildMathEquation(BuildContext context) {

return Center(
child: Math.tex(
formula,
safeLatex(formula),
textStyle: const TextStyle(fontSize: 20),
),
);
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