hgbheadings.sty

%% hgbheadings.sty
%% Headings setup
%% This file is part of the Hagenberg Thesis package for creating bachelors's and masters's theses
%% Author: Wilhelm Burger (wilhelm.burger@fh-hagenberg.at)
%% GitHub: https://github.com/Digital-Media/HagenbergThesis
%% File encoding: ASCII

\ProvidesPackage{hgbheadings}[2020/03/03]%%AUTO

\RequirePackage{fancyhdr}
\pagestyle{fancy}

\RequirePackage[sf,raggedright]{titlesec}	% use sans serif for chapter/section headings

\@ifundefined{chapter}%
   {}%
	 {\renewcommand{\chaptermark}[1]{%
			\ifthenelse{\value{chapter} < 1}%
				{\markboth{#1}{}}%
				{\markboth{\thechapter.\ #1}{}}
		}}

\addtolength{\headheight}{\baselineskip}
\renewcommand{\headrulewidth}{0pt}		% thin line under header
\renewcommand{\footrulewidth}{0pt}
\fancyhf{}                            	% clear all fields.
\fancyhead[R]{\sffamily\thepage} %{\bf \rightmark}
\fancyhead[L]{\sffamily\nouppercase{\leftmark}}  %{\slshape \leftmark}

\fancypagestyle{plain}{%
	\fancyhf{}							% clear all header and footer fields
	\fancyfoot[C]{\sffamily\thepage}	% except the center
	\renewcommand{\headrulewidth}{0pt}
	\renewcommand{\footrulewidth}{0pt}
}