% This is a Latex template, inspired from
% http://tutex.tug.org/pracjourn/2005-4/hefferon/hefferon.pdf
%
% Copyright © 2019 Adrian Amaglio <adrian@amaglio.fr>
% This work is free. You can redistribute it and/or modify it under the
% terms of the Do What The Fuck You Want To Public License, Version 2,
% as published by Sam Hocevar. See http://www.wtfpl.net/ for more details.


% --- Class structure: identification part
% ---
\ProvidesClass{article_adrian}[Cours en lycée]
\NeedsTeXFormat{LaTeX2e}


%\usepackage{../tof2}


% --- Class structure: declaration of options part
% ---
% This class extends the article class
% Read all the documentclass options; pass them to article,
% ---
\DeclareOption*{\PassOptionsToClass{\CurrentOption}{article}}


% --- Class structure: execution of options part
% ---
\ProcessOptions \relax


% --- Class structure: Loading parent class
% ---
\LoadClass{article}


% --- Loading common packages
% ---
% Be utf-8 %
\usepackage[utf8]{inputenc}
\usepackage[french]{babel}
\usepackage[T1]{fontenc}
%\usepackage{amsmath}%why
%\usepackage{amsfonts}%why
%\usepackage{amssymb}%why
% Include pictures %
\usepackage{graphicx}
% Why
%\usepackage{array}
% To display typewriter style text
\usepackage{listings}

% --- Define hyperlinks style
% ---
\usepackage{xcolor}
\usepackage{hyperref}
\hypersetup{pdfpagemode={UseOutlines},
bookmarksopen=true,
bookmarksopenlevel=0,
hypertexnames=false,
colorlinks=true, % Set to false to disable coloring links
citecolor=green!40!black!90, % The color of citations
linkcolor=red!40!black!80, % The color of references to document elements (sections, figures, etc)
urlcolor=blue!40!black!80, % The color of hyperlinks (URLs)
pdfstartview={FitV},
breaklinks=true,
}


% --- Define document margins
% ---
\setlength{\textheight}{760pt} \addtolength{\voffset}{-90pt}
\setlength{\textwidth}{485pt} \addtolength{\hoffset}{-70pt}


% --- Paper and page layout
% ---
\setlength{\parindent}{0pt}
\setlength{\headheight}{10pt}


% --- New page for each section
% ---
\usepackage{titlesec}
%\newcommand{\sectionbreak}{\pagebreak}
%not working as expected :(


% --- Define document font
% ---
\usepackage{mathpazo}
%Dyslexie
%OpenDyslexic (open-dyslexic) by Abelardo Gonzalez is licensed under a Creative Commons Attribution 3.0 Unported License
%Lexia Readable


% --- Register some information about the document
% ---
\newcommand{\thelicence}{\def\svgwidth{.1\columnwidth}\input{../../licences/cc-by-sa.pdf_tex}}
\newcommand{\thelevel}{SNT}
\newcommand{\thesequence}{Séquence 0}


% --- Store title, author and date to use them later, even after maketitle emptyed them
% ---
\let\titleoriginal\title           % save original \title macro
\renewcommand{\title}[1]{          % substitute for a new \title
    \titleoriginal{#1}%               % define the real title
    \def\thetitle{#1}        % define \thetitle
}

\let\dateoriginal\date           % save original \date macro
\renewcommand{\date}[1]{          % substitute for a new \date
    \dateoriginal{#1}%               % define the real date
    \def\thedate{#1}        % define \thedate
}

\let\authororiginal\author           % save original \author macro
\renewcommand{\author}[1]{          % substitute for a new \author
    \authororiginal{#1}%               % define the real author
    \def\theauthor{#1}        % define \theauthor
}


% --- Header and footer
%---
\usepackage{fancyhdr}
\pagestyle{fancy}

\lhead{\thedate}
\chead{\thelevel}
\rhead{\thesequence}

\usepackage{lastpage}
\renewcommand{\footrulewidth}{0.4pt}% default hline is 0pt
\lfoot{\theauthor}
\cfoot{\thepage \,/ \pageref{LastPage}}
\rfoot{\thelicence}


% --- Document title
% ---
% remove spacing around date:
%\usepackage{titling}
%\predate{}
%\postdate{}
\AtBeginDocument{%
  \dateoriginal{} % clear date
  \authororiginal{}
  \maketitle
  \thispagestyle{fancy}
}


% --- Academic year
% --- Use: \academicyear to display text like "2020-2021"
% --- Use: \academicyear[-1] to display text like "2019-2020"
% --- Use: \academicyear[0][/][ to display text like "2020/2021"
% TODO without global : https://tex.stackexchange.com/questions/94710/what-is-the-difference-between-local-and-global-in-a-tex-meaning
\usepackage{xparse}
\newcounter{myyear}
\newcounter{myyearprevious}
\newcounter{myyearnext}
\NewDocumentCommand{\academicyear}{O{0} O{-}}{
    \begingroup
    % Current year %
    \setcounter{myyear}{\year}
    \addtocounter{myyear}{#1}
    % Previous year %
    \setcounter{myyearprevious}{\value{myyear}}
    \addtocounter{myyearprevious}{-1}
    \addtocounter{myyearprevious}{#1}
    % Next year %
    \setcounter{myyearnext}{\value{myyear}}
    \stepcounter{myyearnext}
    \addtocounter{myyearnext}{#1}
    % Print academic year %
    \ifnum\month<8 \arabic{myyearprevious}#2\arabic{myyear} \else\arabic{myyear}#2\arabic{myyearnext}\fi
    \endgroup
}






% --- my environments
% ---
\usepackage[many]{tcolorbox}

% 1: name
% 2: Text to display in cartouche
% 3: font color of cartouche
% 4: back color of cartouche
\newcommand{\myenvironment}[4]{
  \newtcolorbox[
    auto counter,
%    number within=chapter
  ]{#1}{%
    %breakable, % Bug, add a cartouche on new page, over text
    enhanced,
    colback=white,
    colbacktitle=white,
    arc=0pt,
    boxrule=0pt,
    leftrule=1pt,
    rightrule=0pt,
    toprule=0pt,
    bottomrule=0pt,
    titlerule=0pt,
    colframe=#4,
    fonttitle=\color{#4}\sffamily\scshape,
    overlay={
      \node[
        outer sep=-1pt,
        anchor=west,
        fill=#4,
        font=\color{#3}\sffamily\scshape
      ] at (title.west) {#2~\thetcbcounter};
    },
    adjusted title={}
  }
}

\definecolor{yellowtitle}{RGB}{133,100,4}
\definecolor{yellowtitleback}{RGB}{255,243,205}
\definecolor{yellowtitleborder}{RGB}{255,238,196}
\myenvironment{example}{Exemple}{yellowtitle}{yellowtitleback}

\definecolor{turquoisetitle}{RGB}{12,84,96}
\definecolor{turquoisetitleback}{RGB}{209,236,241}
\definecolor{turquoisetitleborder}{RGB}{190,229,235}
\myenvironment{exercice}{Exercice}{turquoisetitle}{turquoisetitleback}

\definecolor{redtitle}{RGB}{114,28,36}
\definecolor{redtitleback}{RGB}{248,215,218}
\definecolor{redtitleborder}{RGB}{245,198,203}
\myenvironment{definition}{Définition}{redtitle}{redtitleback}

\definecolor{greentitle}{RGB}{21,87,36}
\definecolor{greentitleback}{RGB}{212,237,218}
\definecolor{greentitleborder}{RGB}{195,230,203}
\myenvironment{info}{Info}{greentitle}{greentitleback}


% --- Include tiks figures from external files
% --- Those figures supports beamer options that are ignored in article mode
% ---
% `mode=tex` means we will use the source file of the figures directly.
\usepackage[mode=tex]{standalone}
\usepackage{tikz}
\usetikzlibrary{calc,positioning}

% Create fake \onslide and other commands for standalone picture
\usepackage{xparse}
\NewDocumentCommand{\onslide}{s t+ d<>}{}
\NewDocumentCommand{\only}{d<>}{}
\NewDocumentCommand{\uncover}{d<>}{}
\NewDocumentCommand{\visible}{d<>}{}
\NewDocumentCommand{\invisible}{d<>}{}


% --- Some default values
% ---
\date{\academicyear}
\title{}
\author{}