From 6c90182268f883be4c3776d34631bac75e894dab Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Maximilian=20Ke=C3=9Fler?= <max@maximilian-kessler.de>
Date: Fri, 17 Sep 2021 22:26:53 +0200
Subject: [PATCH] provide exsheet class for handling of exercise sheets

---
 wip/mkessler-exsheet.sty | 25 +++++++++++++++++++++++++
 1 file changed, 25 insertions(+)
 create mode 100644 wip/mkessler-exsheet.sty

diff --git a/wip/mkessler-exsheet.sty b/wip/mkessler-exsheet.sty
new file mode 100644
index 0000000..f7c59f7
--- /dev/null
+++ b/wip/mkessler-exsheet.sty
@@ -0,0 +1,25 @@
+\NeedsTeXFormat{LaTeX2e}
+\ProvidesPackage{mkessler-exsheet}
+
+\newif\ifmkessler@exsheet@english\mkessler@exsheet@englishtrue
+\DeclareOption{german}{\mkessler@exsheet@englishfalse}
+\DeclareOption{english}{\mkessler@exsheet@englishtrue}
+
+\DeclareOption*{\PackageWarning{mkessler-exsheet}{Unknown '\CurrentOption'}}
+\ProcessOptions\relax
+
+\RequirePackage{mkessler-fancythm}
+
+\newcounter{mkessler@exsheet@sheet}
+
+\declaretheorem[style=thmgreenmargin, numberwithin=mkessler@exsheet@sheet, name=\ifmkessler@exsheet@english Exercise\else Aufgabe\fi]{mkessler@exsheet@aufgabe}
+
+\usepackage{xkeyval}
+
+\NewDocumentEnvironment{aufgabe}{O{}}{
+\begin{mkessler@exsheet@aufgabe\expandafter}\if\relax\detokenize{#1}\relax\else[#1]\fi\label{aufgabe-\themkessler@exsheet@aufgabe}
+}{
+    \end{mkessler@exsheet@aufgabe\expandafter}\relax
+}
+
+\newcommand\blatt{\refstepcounter{mkessler@exsheet@sheet}\subsection*{\themkessler@exsheet@sheet. Übungsblatt}\addcontentsline{toc}{subsection}{\themkessler@exsheet@sheet. Übungsblatt}}