From d46c5440d26b860244cb7a012e500a368e944d66 Mon Sep 17 00:00:00 2001
From: Sven Augustin <sven.augustin@psi.ch>
Date: Fri, 31 May 2024 11:39:00 +0200
Subject: [PATCH] added colored tables

---
 TODO.md             |  1 -
 ppexample.tex       | 16 ++++++++++++++++
 psipresentation.cls | 18 +++++++++++++++++-
 3 files changed, 33 insertions(+), 2 deletions(-)
 delete mode 100644 TODO.md

diff --git a/TODO.md b/TODO.md
deleted file mode 100644
index 48ab372..0000000
--- a/TODO.md
+++ /dev/null
@@ -1 +0,0 @@
- Add colored tables
diff --git a/ppexample.tex b/ppexample.tex
index 4768405..3460e98 100644
--- a/ppexample.tex
+++ b/ppexample.tex
@@ -181,6 +181,22 @@ Aenean commodo ligula eget dolor.\\
 Aenean massa.
 \end{divider}
 
+
+\begin{frame}{Tables}
+
+% ctabular expects three arguments:
+% column specifiers (LCR), row background color (purple), header text color (white).
+% the new specifiers (LCR) replace the default specifiers (lcr) in order to apply the header text color.
+
+\begin{ctabular}{LCR}{purple}{white}
+Title L & Title C & Title R\\
+Text & Text & Text\\
+Text & Text & Text\\
+Text & Text & Text\\
+Text & Text & Text\\
+\end{ctabular}
+\end{frame}
+
 \end{document}
 
 
diff --git a/psipresentation.cls b/psipresentation.cls
index 52a2547..27c6dc3 100644
--- a/psipresentation.cls
+++ b/psipresentation.cls
@@ -5,7 +5,7 @@
 \DeclareOption*{\PassOptionsToClass{\CurrentOption}{beamer}}
 \ProcessOptions\relax
 
-\LoadClass[final, 10pt, aspectratio=169]{beamer} % t: align columns to top
+\LoadClass[final, 10pt, aspectratio=169, xcolor=table]{beamer} % t: align columns to top
 \beamertemplatenavigationsymbolsempty
 
 
@@ -266,3 +266,19 @@ BoldItalicFont = *-Bold-Italic
 
 
 
+% colored tables
+
+\newenvironment{ctabular}[3]{
+  \newcolumntype{L}{>{\ifnumequal{\rownum}{1}{\bfseries\color{#3}}}l}
+  \newcolumntype{C}{>{\ifnumequal{\rownum}{1}{\bfseries\color{#3}}}c}
+  \newcolumntype{R}{>{\ifnumequal{\rownum}{1}{\bfseries\color{#3}}}r}
+
+  \rowcolors{2}{#2!20}{#2!10}
+  \begin{tabular}{#1}
+    \rowcolor{#2}
+}{
+  \end{tabular}
+}
+
+
+