\NeedsTeXFormat{LaTeX2e}[1994/06/01]

% Modified from the tufte-book.cls
\ProvidesClass{idldoc}[2009/01/02 v1.0.0 IDLdoc class]


\PassOptionsToPackage{book}{idldoc}
\DeclareOption*{% pass options to idldoc package and the article class
  \PassOptionsToPackage{\CurrentOption}{idldoc}
  \PassOptionsToClass{\CurrentOption}{book}
  \PackageInfo{idldoc}{Passing \CurrentOption\space to `book' class}
}
\ProcessOptions

\LoadClass{book}

\RequirePackage{idldoc}


%%
% Set up any book-specific stuff now

%%
% The front matter in Tufte's /Beautiful Evidence/ contains everything up
% to the opening page of Chapter 1.  The running heads, when they appear,
% contain only the (arabic) page number in the outside corner.
%\newif\if@mainmatter \@mainmattertrue
\renewcommand\frontmatter{%
  \cleardoublepage
  \@mainmatterfalse
  \pagenumbering{arabic}
  %\pagestyle{plain}
  \fancyhf{}
  \if@idldoc@twoside
    \fancyhead[LE,RO]{\thepage}
  \else
    \fancyhead[RE,RO]{\thepage}
  \fi
}


%%
% The main matter in Tufte's /Beautiful Evidence/ doesn't restart the page
% numbering---it continues where it left off in the front matter.
\renewcommand\mainmatter{%
  \cleardoublepage
  \@mainmattertrue

  % TODO The book should have the book title on the left and the chapter
  %      title on the right.
  \fancyhf{}
  \if@idldoc@twoside
    \renewcommand{\chaptermark}[1]{\markboth{##1}{}}
    \fancyhead[LE]{\thepage\quad\smallcaps{\thetitle}}% book title
    \fancyhead[RO]{\smallcaps{\leftmark}\quad\thepage}% chapter title
  \else
    \fancyhead[RE,RO]{\smallcaps{\thetitle}\quad\thepage}% book title
  \fi
}


%%
% The back matter contains appendices, indices, glossaries, endnotes,
% biliographies, list of contributors, illustration credits, etc.
\renewcommand\backmatter{%
  \if@openright
    \cleardoublepage
  \else
    \clearpage
  \fi
  \@mainmatterfalse
}


%%
% If there is a `idldoc-book-local.sty' file, load it.

\IfFileExists{idldoc-local.tex}
  {\input{idldoc-local}}
  {}

%%
% End of file
\endinput