% Copyright 2013 Detlev Conrad Mielczarek
% Based on previous work by Herbert Voss (FU Berlin Theme) and Beamer Templates
%
% This file may be distributed and/or modified
%
% 1. under the LaTeX Project Public License and/or
% 2. under the GNU Public License.
%
\ProvidesPackage{beamerouterthemeDetlevCM}[2015/09/02 v 1.01 (dcm) http://detlevcm.eu]

\mode<presentation>

\setlength\textwidth{\paperwidth}
\addtolength\textwidth{-30pt}
\setbeamersize{text margin left=15pt,text margin right=15pt}

\definecolor{GreyBox}{gray}{0.6}

% From FU Theme - defining image sizes
\newlength\FU@image@width\setlength\FU@image@width{\textwidth}
%\newlength\FU@image@height\setlength\FU@image@height{2.5cm}
\newlength\FU@image@height\setlength\FU@image@height{0.222\textwidth} % define height as relative for 3:2 photographs
\newlength\FU@rule\setlength\FU@rule{0.6pt}
%

% The logo for the top right corner
\pgfdeclareimage[height=2em]{logo}{LogoTop.png}

% 3 images as decoration
\pgfdeclareimage[height=\the\FU@image@height]{Image1}{Wing.png}
\pgfdeclareimage[height=\the\FU@image@height]{Image2}{SAS-CRJ900.png}
\pgfdeclareimage[height=\the\FU@image@height]{Image3}{WingSunrise.png}



\newlength\titlevsep\setlength\titlevsep{2mm}



\setbeamercolor{section in head/foot}{parent=palette tertiary}
\setbeamercolor{subsection in head/foot}{parent=palette secondary}
\setbeamercolor{author in head/foot}{parent=section in head/foot}
\setbeamercolor{title in head/foot}{parent=section in head/foot}
\setbeamercolor{date in head/foot}{parent=section in head/foot}



% Define the headline
\defbeamertemplate*{headline}{Leeds theme}
{%
  \begin{beamercolorbox}[colsep=1.5pt]{upper separation line head}
  \end{beamercolorbox}
%
  \begin{beamercolorbox}{section in head/foot}
    \vskip2pt\insertnavigation{\paperwidth}\vskip2pt
  \end{beamercolorbox}%
}



% Define the footline
\defbeamertemplate*{footline}{Leeds}
{%
	 \leavevmode%
	  \hbox{%
	  \begin{beamercolorbox}[wd=.333333\paperwidth,ht=2.25ex,dp=1ex,center]{author in head/foot}%
	    \usebeamerfont{author in head/foot}\insertshortauthor\expandafter\beamer@ifempty\expandafter{\beamer@shortinstitute}{}{~~(\insertshortinstitute)}
	  \end{beamercolorbox}%
	  \begin{beamercolorbox}[wd=.333333\paperwidth,ht=2.25ex,dp=1ex,center]{title in head/foot}%
	    \usebeamerfont{title in head/foot}\insertshorttitle
	  \end{beamercolorbox}%
	  \begin{beamercolorbox}[wd=.333333\paperwidth,ht=2.25ex,dp=1ex,right]{date in head/foot}%
	    \usebeamerfont{date in head/foot}%\insertshortdate{}\hspace*{2em}
	    \insertframenumber{} / \inserttotalframenumber\hspace*{2ex} 
	  \end{beamercolorbox}
	}%
	\vskip0pt%
}



% Frame title
\defbeamertemplate*{frametitle}{Leeds}
{%
	\begin{beamercolorbox}[leftskip=15pt,rightskip=15pt,wd=\paperwidth]{section in head/foot}
	{%
		\usebeamerfont*{frametitle}
		\usebeamercolor[fg]{frametitle}
		\raisebox{0.3em}{\insertframetitle} % http://www.personal.ceu.hu/tex/spacebox.htm#raisebox
	 }
		\hfill
		\pgfuseimage{logo}
		\vspace{0.1em}
	\end{beamercolorbox}
}



% Sidebar - Switched off
\setbeamertemplate*{sidebar left}{}
\setbeamertemplate*{sidebar right}{}
\setbeamertemplate*{sidebar canvas left}{}
\setbeamertemplate*{sidebar canvas right}{}



\def\beamer@fteright{\vskip0.35cm\advance\leftskip by 1.7cm\advance\rightskip by1.7cm}




% From FU theme
% Frame title continuations, FU
\defbeamertemplate*{frametitle continuation}{FU}{\insertcontinuationcountroman}



\mode
<all>
{
  \renewcommand\titlegraphic[2][]{%
    \edef\inserttitlegraphic{%
      \ifx\relax#2\relax\else
        \noexpand\includegraphics[height=\FU@image@height,width=\the\numexpr\textwidth-\wd\FU@box\relax sp,
          aspectratio=false,#1]{#2}%
      \fi}%
    }%
  \titlegraphic{}
}

\mode
<all>

\newcommand\fachbereich[1]{\def\insertfachbereich{#1}}
\fachbereich{}%

\defbeamertemplate*{title page}{Leeds}{%
\vspace{-0.52em}
\begin{beamercolorbox}[leftskip=15pt,rightskip=15pt,wd=\paperwidth]{section in head/foot}
	\usebeamerfont*{frametitle}
	\usebeamercolor[bg]{frametitle}
%	\raisebox{0.3em}{DetlevCM Theme}
	\raisebox{0.3em}{~}
	\hfill\pgfuseimage{logo}
	\vspace{0.1em}
\end{beamercolorbox}
  \par
  \begingroup\fboxsep=0pt
\colorbox{GreyBox}{%
\makebox[\textwidth][l]{%
\rule{0pt}{\FU@image@height}%
\pgfuseimage{Image1}
\pgfuseimage{Image2}
\pgfuseimage{Image3}
\inserttitlegraphic}%
}

  \endgroup
  \par\vfill
{\usebeamerfont{title}\usebeamercolor[bg]{frametitle}\inserttitle}\\[\titlevsep]
  \ifx\insertsubtitle\@empty\else\vskip0.25em%
    {\usebeamerfont{subtitle}\insertsubtitle\par}%
  \fi%
  \par\vfill
  \begin{beamercolorbox}[sep=0pt]{author}
    {\usebeamerfont{author}\insertauthor}\\
    {\usebeamerfont{institute}\insertinstitute}
  \end{beamercolorbox}
  \par\vfill
  {\usebeamerfont{date}\usebeamercolor*[fg]{date}\insertdate
  }\par\vfill~\vspace*{-\fill}}

\endinput



\mode <all>