%% LaTeX-Beamer template for Freenet
%% by Arne Babenhauserheide
%% built upon
%% Tikz-Styles for Palladio Component Model symbols
%% by Erik Burger
%%
%% version 2010-12-13
%%
%% Problems, bugs and comments to
%% burger@kit.edu

\usepackage{tikz}
\usetikzlibrary{positioning}
\usetikzlibrary{arrows}
\usetikzlibrary{fit}
\usetikzlibrary{petri}
\usetikzlibrary{decorations.markings}
\usetikzlibrary{decorations.pathmorphing}
\usetikzlibrary{decorations.text}
\usetikzlibrary{fit}
\usetikzlibrary{automata}
\usetikzlibrary{shapes}
\usetikzlibrary{shadows}
\usetikzlibrary{calc}

%% Vertikal geteilter Kreis
\pgfdeclareshape{circle vertical split}
{
  \inheritsavedanchors[from=circle]
  \inheritanchorborder[from=circle]
  \inheritanchor[from=circle]{north}
  \inheritanchor[from=circle]{north west}
  \inheritanchor[from=circle]{north east}
  \inheritanchor[from=circle]{center}
  \inheritanchor[from=circle]{west}
  \inheritanchor[from=circle]{east}
  \inheritanchor[from=circle]{mid}
  \inheritanchor[from=circle]{mid west}
  \inheritanchor[from=circle]{mid east}
  \inheritanchor[from=circle]{base}
  \inheritanchor[from=circle]{base west}
  \inheritanchor[from=circle]{base east}
  \inheritanchor[from=circle]{south}
  \inheritanchor[from=circle]{south west}
  \inheritanchor[from=circle]{south east}
  \inheritbackgroundpath[from=circle]
  \foregroundpath{
    \centerpoint%
    \pgf@xc=\pgf@x%
    \pgf@yc=\pgf@y%
    \pgfutil@tempdima=\radius%
    \pgfmathsetlength{\pgf@xb}{\pgfkeysvalueof{/pgf/outer xsep}}%  
    \pgfmathsetlength{\pgf@yb}{\pgfkeysvalueof{/pgf/outer ysep}}%  
    \ifdim\pgf@xb<\pgf@yb%
      \advance\pgfutil@tempdima by-\pgf@yb%
    \else%
      \advance\pgfutil@tempdima by-\pgf@xb%
    \fi%
    \advance\pgfutil@tempdima by-.5\pgflinewidth%  
    \pgfsetshortenstart{0pt}%
    \pgfsetshortenend{0pt}%
    \pgfsetarrows{-}%  
    \pgfpathmoveto{\pgfpointadd{\centerpoint}{\pgfqpoint{0pt}{-1\pgfutil@tempdima}}}%
    \pgfpathlineto{\pgfpointadd{\centerpoint}{\pgfqpoint{0pt}{\pgfutil@tempdima}}}%
    \pgfusepath{stroke}%
  }
}

\tikzset{
%% Color Shadings
blueshading/.style={shade, top color=white, bottom color=freenet-blue30, draw=freenet-blue100, thick},
greyshading/.style={shade, top color=white, bottom color=black!30, draw=black!50, thick},
lightgreyshading/.style={shade, top color=white, bottom color=black!15, draw=black!50, thick},
blackshading/.style={shade, top color=black!50, bottom color=black!95, middle color=black!95, draw=black!95, thick},
greenshading/.style={shade, top color=white, bottom color=freenet-green30, draw=freenet-green100, thick},
%% Boxes
roundbox/.style={rectangle, rounded corners=.5ex}, 
%% PCM Actions
seffaction/.style={rectangle split, rectangle split parts=2, rectangle split part align={center}, text centered, rounded corners},
pcmball/.style={shade, ball color=freenet-blue100,circle,fill},
startaction/.style={pcmball,minimum size=1ex},
stopaction/.style={startaction,draw=black,double},
%% Petri net/Queueing Petri net symbols
pnplace/.style={circle, draw, minimum size=2em},
pntrans/.style={rectangle, draw, minimum height=2em},
qpnplace/.style={circle vertical split, draw, minimum size=2em},
subnetplace/.style={qpnplace, double},
}

%% Baseline adaptation for PCM symbols
\tikzstyle{pcm} = [baseline=-.2ex]

%% Ragged left text for boxes
\tikzoption{text badly
raggedleft}[]{\def\tikz@text@action{\raggedleft\relax}}
\tikzoption{text raggedleft}[]%
{\def\tikz@text@action{\raggedleft\rightskip\z@ plus2em
\spaceskip.3333em \xspaceskip.5em\relax}}


%% Layers
\pgfdeclarelayer{l1}
\pgfdeclarelayer{l2}
\pgfdeclarelayer{l3}
\pgfdeclarelayer{l4}
\pgfdeclarelayer{l5}
\pgfdeclarelayer{l6}
\pgfdeclarelayer{l7}
\pgfdeclarelayer{l8}
\pgfdeclarelayer{l9}
\pgfsetlayers{main,l1,l2,l3,l4,l5,l6,l7,l8,l9}

% Internal Action

\newcommand{\pcmintaction}[2][]{
	\node[pcmball, minimum size=.7ex, text width=0ex, #1] (#2) {};
	\draw[thick] (#2.north) -- ([yshift=.5ex]#2.north);
	\draw[thick] (#2.south) -- ([yshift=-.5ex]#2.south);
}

\newcommand{\pcmextaction}[2][]{
	\node[pcmball, minimum size=.7ex, text width=0ex, #1] (#2) {};
	\draw[thick,<-] (#2.north) -- ([yshift=1ex]#2.north);
	\draw[thick,->] (#2.south) -- ([yshift=-.8ex]#2.south);
	\draw[ultra thick,->,color=red!70!black] (#2.east) -- ([xshift=1ex]#2.east);
}


\newcommand{\pcmloopaction}[2][]{
	\node[pcmball, minimum size=.7ex, text width=0ex, #1] (#2) {} 
	edge [->, in=30, out=90, looseness=1, distance=2ex, thick] node {} (#2);
}

\newcommand{\pcmiterator}[2][]{
\begin{scope}[decoration={
	markings, mark=at position .5 with {\arrow[red, line width=.2ex]{>}}}, #1]
	\node[matrix,draw=black!75, row sep=.3ex, inner sep=.3ex]	(#2) {
	\draw[red,thick] (0,0) -- (.7ex,0);\\
	\draw[red,thick] (0,0) -- (.7ex,0);\\
	\draw[red,thick] (0,0) -- (.7ex,0);\\ };
	\draw [thick,black!75,postaction=decorate] 
	(#2.south) .. controls (0,-1.5ex) and (1.4ex,-1.5ex) .. 
	(1.4ex,0) .. controls (1.4ex,1.5ex) and (0,1.5ex) .. (#2.north);
\end{scope}
}

\newcommand{\pcmbranch}[2][]{
	{\pgfsetcornersarced{\pgfpointorigin}
	\scriptsize
	\node[diamond, shade, ball color=freenet-blue100, inner sep=.1ex, text width=1.2ex, #1] (#2) {\color{white}\scriptsize\textbf?};
	\draw[thick] (#2.north) -- ([yshift=.8ex]#2.north);
	\draw[thick] (#2.south west) -- ([xshift=-.7ex,yshift=-.7ex]#2.south west);
	\draw[thick] (#2.south east) -- ([xshift=.7ex, yshift=-.7ex]#2.south east);
	}
}

\newcommand{\pcmfork}{
\begin{scope}[very thick,black!75]
	\draw (0,0) -- (0,.4em) -- (1em,.4em) -- (1em,0em);
	\draw (.33em,.4em) -- (.33em,0em);
	\draw (.66em,.4em) -- (.66em,0em);
	\draw (.5em,1em) -- (.5em,.4em);
	\draw (.2em,.75em) -- (.5em,.45em) -- (.8em,.75em);
\end{scope}
}

\newcommand{\pcmnote}{
	{\pgfsetcornersarced{\pgfpointorigin}
	\path[draw, black!75, thick, shade, top color=white, bottom color=yellow] (0,0) -- (2ex,0) -- (2ex,1ex) -- (1.5ex,1.5ex) -- (0,1.5ex) -- cycle;
	\draw[black!75, thick] (2ex,1ex) -- (1.5ex,1ex) -- (1.5ex,1.5ex);
	}
}

\newcommand{\pcmstart}[2][]{
	\node[startaction, text width=0cm, #1] (#2) {};
}

\newcommand{\pcmstop}[2][]{
	\node[stopaction, text width=0cm, #1] (#2) {};
}

\newcommand{\pcmsetvar}[2][]{
	\node[rectangle,draw=gray,ultra thick,dashed,#1] (#2) {\$x};
}

\newcommand{\pcmacq}{
\begin{scope}[every token/.style={color=freenet-blue100,minimum size=.2ex}]
	\node[place, minimum size=1em,shade,
		bottom color=freenet-blue30,top color=white,shading angle=30] {}
		[children are tokens, token distance=.4ex]
		child {node [token] {}}
		child {node [token] {}}
		child {node (inlier) [token] {}}
		child {node [token] {}}
		child {node [token] {}}
		child {node [token] {}}
		child {node [token] {}};
	\node[token] (outlier) at (.6em,.6em) {};
	\draw[->, red, very thick] (inlier) -- (outlier);
\end{scope}
}

\newcommand{\pcmrel}{
\begin{scope}[every token/.style={color=freenet-blue100,minimum size=.2ex}]
	\node[place, minimum size=1em,shade,
		bottom color=freenet-blue30,top color=white,shading angle=30] {}
		[children are tokens, token distance=.4ex]
		child {node [token] {}}
		child {node [token] {}}
		child {node (inlier) [token] {}}
		child {node [token] {}}
		child {node [token] {}}
		child {node [token] {}}
		child {node [token] {}};
	\node[token] (outlier) at (.6em,.6em) {};
	\draw[<-, red, very thick] (inlier) -- (outlier);
\end{scope}
}

\newcommand{\pcmdice}{
	\tikzset{point/.style={circle,fill=black,minimum size=.4ex,inner sep=0pt}}
\begin{scope}[every node/.append style={yslant=-0.5},yslant=-0.5]
	\shade[right color=white, left color=freenet-blue30, draw=black, 
		rounded corners=.1ex] (0,0) rectangle +(1em,1em);
	\node [point] 	at (.25em,.25em) {};
	\node [point] 	at (.25em,.75em) {};
	\node [point] 	at (.5em,.5em) {};
	\node [point] 	at (.75em,.25em) {};
	\node [point] 	at (.75em,.75em) {};
\end{scope}

\begin{scope}[every node/.append style={yslant=0.5},yslant=0.5]
	\shade[left color=white, right color=freenet-blue30, draw=black, 
		rounded corners=.1ex] (1em,-1em) rectangle +(1em,1em);
	\node [point] 	at (1.25em,-.25em) {};
	\node [point] 	at (1.25em,-.75em) {};
	\node [point] 	at (1.75em,-.25em) {};
	\node [point] 	at (1.75em,-.75em) {};
\end{scope}


\begin{scope}[every node/.append style={
    yslant=0.5,xslant=-1},yslant=0.5,xslant=-1
  ]
  \shade[bottom color=white, top color=freenet-blue30, draw=black, 
		rounded corners=.1ex] (2em,1em) rectangle +(-1em,-1em);
	\node [point] 	at (1.25em,.25em) {};
	\node [point] 	at (1.25em,.75em) {};
	\node [point] 	at (1.5em,.25em) {};
	\node [point] 	at (1.5em,.75em) {};
	\node [point] 	at (1.75em,.25em) {};
	\node [point] 	at (1.75em,.75em) {};
\end{scope}

	\draw[thick, color=black] (.5em,-.25em) -- +(-.7ex,-.7ex);
	\draw[thick, color=black] (1.5em,-.25em) -- +(.7ex,-.7ex);

}

\newcommand{\pcmcertsign}{
\begin{scope}[rotate=30]
\node [draw, red, thick, circle, rotate=30] (certified) at (0,0) {\scriptsize CERTIFIED};
\draw [red, thick] (.67,.2) arc (16.6:163.4:7mm) -- cycle;
\draw [red, thick] (-.67,-.2) arc (196.6:343.4:7mm) -- cycle;
\end{scope}
}

% #1 = Formatierung
% #2 = Name des Nodes
% #3 = Position

\newcommand{\pcmcomponentsymbol}[3]{
	\node[rectangle, minimum width=1.2em, minimum height=1.2em, #1]	
		(#2)	#3 {};
	\filldraw[#1]	
		($(#2)+(-1em,.1em)$)	rectangle	+(.7em,.3em)
		($(#2)+(-1em,-.1em)$)	rectangle	+(.7em,-.3em);
}

% #1 = Formatierung
% #2 = Name des Nodes
% #3 = Text
% #4 = oberer Layer
% #5 = unterer Layer
% #6 = Position

\newcommand{\pcmcomponentbodyonlayers}[6]{
	\begin{pgfonlayer}{#4}
	\node[minimum width=4em] (#2text) #6 {\small #3};
	\pcmcomponentsymbol{fill=white, draw=black}{#2componentsymbol}{at ($(#2text.east)+(-1em,1.5em)$)}
	\end{pgfonlayer}
	\begin{pgfonlayer}{#5}
	\node[draw=black, rectangle, inner sep = .2em, #1] 	(#2) [fit=(#2text) (#2componentsymbol)] {};
	\end{pgfonlayer}
}

% #1 = Formatierung
% #2 = Name des Nodes
% #3 = Text
% #4 = Position
\newcommand{\pcmcomponentbody}[4]{
	\pcmcomponentbodyonlayers{#1}{#2}{#3}{l4}{l3}{#4}
}

% #1 = Formatierung
% #2 = Name des Nodes
% #3 = Position

\newcommand{\pcmlolliwest}[3]{
	\node[circle, minimum size=1ex, draw, anchor=east, xshift=-1em, #1] (#2) at #3 {};
	\draw[#1] #3 -- (#2);
}

% #1 = Formatierung
% #2 = Name des Nodes
% #3 = Position

\newcommand{\pcmarceast}[3]{
	\node[xshift=1em] (#2) at #3 {};
	\draw[#1] #3 -- (#2.center);
	\draw[#1, fill opacity=transparent] ($(#2)+(1.4ex,1.4ex)$) arc (90:270:1.4ex);

}

% #1 = Formatierung
% #2 = Name des Nodes
% #3 = Text
% #4 = oberer Layer
% #5 = unterer Layer
% #6 = Position

\newcommand{\pcmcomponentonlayers}[6]{
	\pcmcomponentbodyonlayers{#1}{#2}{#3}{#4}{#5}{#6}	

	\begin{pgfonlayer}{#5}
	\pcmlolliwest{#1}{#2lolli}{(#2.west)}
	\pcmarceast{#1}{#2arc}{(#2.east)}
	\end{pgfonlayer}
}

% #1 = Formatierung
% #2 = Name des Nodes
% #3 = Text
% #4 = Position
\newcommand{\pcmcomponent}[4]{
	\pcmcomponentonlayers{#1}{#2}{#3}{l4}{l3}{#4}
}


% Extrudieren von rechteckigen Shapes
%
% #1 = Name des Nodes
% #2 = Abstand
% #3 = Zeichenoptionen

\newcommand{\pcmextrude}[3]{
\path[#3] (#1.north west) -- (#1.north east) -- (#1.south east) -- (#1.south west) -- (#1.north west) -- ++(#2,#2) -- ($(#1.north east)+(#2,#2)$) -- ($(#1.south east)+(#2,#2)$) -- (#1.south east) (#1.north east) -- ($(#1.north east)+(#2,#2)$); 
}


% Dummy-Bild
\newcommand{\dummypic}[2]{
\tikz \draw[freenet-red100] (0,0) -- (#1,0) -- (#1,#2) -- (0,#2) -- (0,0) -- (#1,#2) (0,#2) -- (#1,0);
}
