latex-packages-build/exercises/sheet/mkessler-sheet.cls

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\NeedsTeXFormat{LaTeX2e}
\ProvidesClass{mkessler-sheet}[2022/01/30 - Write up university exercise sheets]



% This is meant as a layouting class for easily writing up exercise sheets.
% Use \course \sheetnumber and \author to set metadata of the document
% Use option [largename] if the author(s) is/are too long and collide in the fancy header
% Use option [german|ngerman|english] to control language appearance

\RequirePackage{scrbase}

\newif\ifmkessler@sheet@english\mkessler@sheet@englishtrue
\DeclareOption{german}{\mkessler@sheet@englishfalse}
\DeclareOption{ngerman}{\mkessler@sheet@englishfalse}
\DeclareOption{english}{\mkessler@sheet@englishtrue}

\newif\ifmkessler@sheet@largename\mkessler@sheet@largenamefalse
\DeclareOption{large-name}{\mkessler@sheet@largenametrue}

\DeclareOption*{\PassOptionsToClass{\CurrentOption}{scrartcl}}
\ProcessOptions\relax

\LoadClass{scrartcl}

\KOMAoption{fontsize}{12pt}
\KOMAoption{parskip}{half-}
\KOMAoption{DIV}{12}
\KOMAoption{headings}{normal}

\RequirePackage{scrlayer-scrpage}
\KOMAoption{headsepline}{:}

\def\@course{\ClassError{mkessler-sheet}{No \noexpand\course given}{Use \noexpand\course{<coursename>} to set the course.}}%
\DeclareRobustCommand*{\course}[1]{\gdef\@course{#1}}
\def\@sheetnumber{\ClassError{mkessler-sheet}{No \noexpand\sheetnumber given}{Use \noexpand\sheetnumber{<num>} to set the current sheetnumber.}}%
\DeclareRobustCommand*{\sheetnumber}[1]{\gdef\@sheetnumber{\ifmkessler@sheet@english Sheet #1 \else Übungsblatt #1\fi}}

\renewcommand*{\@date}{\today}

\renewcommand*{\maketitle}{
	\thispagestyle{plain}
	{\makebox[0pt][l]{\usekomafont{myauthor}\@author}\hfill\makebox[0pt][r]{\usekomafont{date}\@date}\par}
	\vspace{0.5em}
	{\centering\usekomafont{title}\@course\par}
    {\centering\usekomafont{subtitle}\@sheetnumber \par}
	\vspace{2em}
	\hrule
	\addvspace{2em}
}

\setkomafont{title}{\LARGE\bfseries}
\setkomafont{subtitle}{}
\newkomafont{myauthor}{}
\setkomafont{date}{}
\newkomafont{headtitle}{\itshape}
\setkomafont{pageheadfoot}{\footnotesize}
\setkomafont{descriptionlabel}{\bfseries}
\setkomafont{pagenumber}{\normalsize}

\pagestyle{scrheadings}
\ihead[]{\ifmkessler@sheet@largename \usekomafont{myauthor}\@author \\ \@course\;- \@sheetnumber\else \usekomafont{myauthor}\@author\fi }
\chead[]{\ifmkessler@sheet@largename \else \usekomafont{subtitle}\@course\;- \@sheetnumber\fi}
\ohead[]{\usekomafont{date}\@date}

% Page layout
\setlength{\parindent}{0pt}

\RequirePackage[a4paper, left=2cm, right=2cm, top=3cm, bottom=3cm,  head=15.0pt, headsep=10pt]{geometry}

\setlength{\skip\footins}{15pt}

\setlength{\abovecaptionskip}{0cm}
\setlength{\belowcaptionskip}{0cm}

%Für Zeilenabstand 1,5
\RequirePackage[onehalfspacing]{setspace}
\RequirePackage[super]{nth}

\newcommand\nr[1]{
    \section*{\ifmkessler@sheet@english\nth{#1} exercise\else #1. Aufgabe\fi}
    \setcounter{equation}{0}
}