\NeedsTeXFormat{LaTeX2e}[1994/06/01]
\ProvidesPackage{DUStyle}[2018/02/25 DUStyle Package]

\RequirePackage{tikz}
\RequirePackage{mdframed}
\RequirePackage{xcolor}

\definecolor{lightGray}{RGB}{245, 245, 245}

% arg1 : The circle backround color
% arg2 : The dot text
% arg3 : The title command prefix
% arg4 : The title
\newcommand{\DUIconizedTitle}[4]{%
  \begin{#3}
  \tikz[baseline]{
    \node[circle,fill=#1,inner sep=3pt,anchor=base] at (0, 0) 
    {\color{lightGray}#2};
  }
  {#4}
  \end{#3}
}

\newcommand{\colorBox}[2]{%
  \begin{mdframed}[topline=false,
    bottomline=false,
    rightline=false,
    linecolor=#1,
    linewidth=3pt,
    skipabove=0.5cm,
    backgroundcolor=lightGray]%
    #2
  \end{mdframed}
}

% Create two commands with the same style :
% - for the admonition colored box
% - for the titles in styles (sidebar, admonitions...)
\newcommand\createIconifiedDUStyle[4]{%
  \expandafter\newcommand\csname DUadmonition#1\endcsname[1]{\colorBox{#2}{##1}}
  \expandafter\newcommand\csname DUtitle#1\endcsname[1]{\DUIconizedTitle{#2}{#3}{#4}{##1}}
}