A latex class for books

toyl.cls

% ----------------------------------------------------------
% Custom document class
%
% Name: toyl
% Author: JT Paasch
% ----------------------------------------------------------

\NeedsTeXFormat{LaTeX2e}
\ProvidesClass{bizboy}[2021/03/01 v.1 A demo LaTeX document class]

% Base this on the book class.
% Put equation numbers on the left rather than the right.
\LoadClass[leqno]{book}

% Ragged right
% \RequirePackage{ragged2e}
% \setlength{\RaggedRightParindent}{\parindent}

% Font styling
\RequirePackage{lettrine}
% \RequirePackage{lmodern}
% \RequirePackage{tgschola}
% \RequirePackage{fourier}
\RequirePackage{palatino}


% ----------------------------------------------------------
% Layout
% ----------------------------------------------------------

\renewcommand{\normalsize}{\fontsize{13}{15}\selectfont}
\pagenumbering{arabic}

\RequirePackage[
  letterpaper,
  twoside,
  headheight=24pt,
  headsep=24pt,
  footskip=60pt,
  textwidth=348pt,
  lmargin=48pt,
  marginparwidth=172pt,
  marginparsep=12pt,
  includehead,includemp]{geometry}

\setlength{\skip\footins}{18pt}


% ----------------------------------------------------------
% Page styles
% ----------------------------------------------------------

\RequirePackage{fancyhdr}
\pagestyle{fancy}

\fancyhead{}
\fancyhead[RO,LE]{\normalfont\leftmark}

\fancyfoot{}
\fancyfoot[C]{\thepage}

\renewcommand\headrulewidth{2pt}

\RequirePackage{emptypage}


% ----------------------------------------------------------
% Custom commmands
% ----------------------------------------------------------

\newcommand\emrule{\noindent\rule[0pt]{\linewidth}{1em}}
\newcommand{\highlight}[1]{\textbf{#1}}
\newcommand{\newthought}[1]{\noindent\textsc{#1}}
\newcommand{\newtopic}[2]{\lettrine{#1}{#2}}
\newcommand{\blank}{\underline{\hspace{1cm}}}


% ----------------------------------------------------------
% Title
% ----------------------------------------------------------

\renewcommand{\maketitle}{
  \pagestyle{empty}
  \newgeometry{top=1in,left=1.25in,bottom=1in,right=1.25in}
  \makeatletter\CROP@center\makeatother
  \begin{center}
    \vspace*{72pt}
    \hrule
    \vskip 24pt
    {\Large \bfseries \@title}
    \vskip 36pt
    {\large \@author}
    \vskip 24pt
    \emrule
    \vfill
    Rough Draft - Last compiled \today
  \end{center}
  \restoregeometry
  \makeatletter\CROP@center\makeatother
  \pagestyle{fancy}
}


% ----------------------------------------------------------
% Parts, Chapters, Sections
% ----------------------------------------------------------

\RequirePackage{titlesec}

% For the part headings.
\renewcommand{\thepart}{\arabic{part}}
\titleformat{\part}[display]
  {\bfseries\large}
  {{\Huge Part [~\thepart~]} \vskip 1em \hrule}
  {1em}
  {}
\titlespacing*{\part}{0pt}{0pt}{0pt}

% Make a part with some text underneath it.
\newcommand{\partwithtext}[2]{%
  \part[#1]{%
    \MakeUppercase{#1}%
    \vskip 1em%
    % \hrule%
    \vskip 3em%
    {\normalfont #2}%
  }%
}

% For numberless chapters, like the TOC.
\titleformat{name=\chapter,numberless}[hang]
  {\bfseries\large}
  {}
  {0pt}
  {\MakeUppercase}

% For numbered chapters.
\titleformat{\chapter}[display]
  {\bfseries\large}
  {\Huge [~\thechapter~]}
  {1em}
  {\MakeUppercase}
\titlespacing*{\chapter}{0pt}{4em}{12em}

% For numbered sections.  
\titleformat{\section}[hang]
  {\bfseries}
  {\thesection}
  {1em}
  {}
  [\dotfill]
\titlespacing*{\section}{0pt}{24pt}{18pt}


% ----------------------------------------------------------
% TOC
% ----------------------------------------------------------

\RequirePackage{titletoc}
\RequirePackage[nottoc]{tocbibind}

\titlecontents{part}[0pt]
  {}
  {}
  {\vskip 0.5em \bfseries Part }
  {\titlerule*{}\contentspage}
  [\vskip 0.5em \hrule \vskip 0.5em]

\dottedcontents{chapter}[2em]
  {\vskip 1em \bfseries}
  {2em}
  {1pc}

\dottedcontents{section}[4em]
  {}
  {2em}
  {1pc}


% ----------------------------------------------------------
% Footnotes, margin notes, etc
% ----------------------------------------------------------

% Use the manyfoot package to create footnote streams
\RequirePackage[para]{manyfoot}
\DeclareNewFootnote[para]{Alpha}[alph]

% For margin notes
\RequirePackage{sidenotes}
\RequirePackage{marginfix}

% Shortcut for a floating aside.
\newenvironment{aside}
  {\begin{marginfigure} \raggedright \fontsize{11}{13}\selectfont}
  {\vskip 1em \end{marginfigure}}




% ----------------------------------------------------------
% Showing camera ready crop marks
% ----------------------------------------------------------

\RequirePackage[cross,a3,center]{crop}