%%
%% This is file `comments.sty',
%%
%% Copyright (C) 1991 -- 2001 by Torsten Schaub,
%%                            all rights reserved.
%% Please report errors to: Torsten Schaub
%%                          torsten@cs.uni-potsdam.de
\ProvidesPackage{comments}[2001/03/09 v0.7 The comments package]
\RequirePackage[normalem]{ulem}
\RequirePackage{ifthen}
\RequirePackage{changepage}
\RequirePackage{framed}

\newenvironment{oldstuff} { \definecolor{shadecolor}{named}{Gray} \begin{shaded} \label{comment:\thecommentctr} \stepcounter{commentctr} } { \end{shaded} }
\newenvironment{newstuff} { \definecolor{shadecolor}{named}{Lavender} \begin{shaded} \label{comment:\thecommentctr} \stepcounter{commentctr} } { \end{shaded} }

\newif\ifreversecommentsidepar
  \reversecommentsidepartrue
\newif\ifcommentsideparswitch
  \commentsideparswitchfalse
\if@twoside \commentsideparswitchtrue \fi

\newlength{\commentsideparvshift}
%%%%  \setlength{\commentsideparvshift}{-2.08ex}% seems to work for all font sizes

\newcommand{\commentsidepar}{\@dblarg{\@commentsidepar}}
\long\def\@commentsidepar[#1]#2{\@bsphack\strut\vadjust{%
  \checkoddpage
  \ifcommentsideparswitch
    \ifreversecommentsidepar
      \ifoddpage
        \oddpagefalse
      \else
        \oddpagetrue
      \fi
    \fi
  \else
    \oddpagetrue
    \ifreversecommentsidepar
      \oddpagefalse
     \fi
  \fi
  \rlap{\kern-\parindent
    \if@twocolumn
      \if@firstcolumn%              put at left
        \kern -\marginparsep \kern -\marginparwidth
      \else%                        put at right
        \kern \columnwidth \kern \marginparsep
      \fi
    \else
      %\ifoddpage%                   put at right
        \kern \textwidth \kern \marginparsep
      %\else%                        put at left
        %\kern -\marginparsep \kern -\marginparwidth
      %\fi
    \fi
    \setbox0=\vtop to 0pt{%
      \begin{minipage}[t]{\marginparwidth}%
        \normalfont\normalsize
        \ifoddpage #2\else #1\fi%
      \end{minipage}%
      \vss}%
    \vtop to 0pt{\kern\commentsideparvshift%  default should be 0pt
      \kern-\dp\strutbox
      \kern-\ht0
      \box0 \vss}}}%
  \@esphack}
\setlength{\commentsideparvshift}{0pt}

%% -- declarations --------------------------------------------------
\def\TODAY{\number\day/\ifcase\month\or 01\or 02\or 03\or 04\or 05\or
    06\or 07\or 08\or 09\or 10\or 11\or 12\fi/\number\year}
\def\timenow{%
  \@tempcnta=\time \divide\@tempcnta by 60 \number\@tempcnta:\multiply
  \@tempcnta by 60 \@tempcntb=\time \advance\@tempcntb by -\@tempcnta
  \ifnum\@tempcntb <10 0\number\@tempcntb\else\number\@tempcntb\fi}
\def\MFONT{\scriptsize\rm}
\def\BFONT{\scriptsize\it}
\def\VERSION{\jobname.tex \ \ \TODAY~at~\timenow\ \ \ page \thepage}
\def\DRAFTMSG{\small\it --- Preliminary Draft --- \today\ --- }

%\addtolength{\oddsidemargin}{-14mm}  % let's have a big right margin
%\addtolength{\evensidemargin}{-14mm} % for \comments

%\setlength{\marginparwidth}{29mm}               % Breite
%\setlength{\marginparsep}{1mm}                  % Abstand vom Rand
%\setlength{\marginparpush}{0mm}                 % space between 2 marginpars
%\setlength{\fboxsep}{.1mm}

%% -- counters --------------------------------------------------
\newcounter{commentctr}

%% -- ulem-based commands ---------------------------------------
\newcommand{\CHD}[1]{\uwave{#1}\comment{CHANGED}}

\newcommand{\DELETE}[2]{\sout{#1}\comment{DELETE{#2}}}
\newcommand{\DEL}[1]{\DELETE{#1}{\ignorespaces}}
\newcommand{\DELc}[2]{\DELETE{#1}{\par {#2}}}

\newcommand{\INSERT}[2]{\uline{#1}\comment{INSERT{#2}}}
\newcommand{\INS}[1]{\INSERT{#1}{\ignorespaces}}
\newcommand{\INSc}[2]{\INSERT{#1}{\par {#2}}}

\newcommand{\REPLACE}[3]{\sout{#1}\comment{REPLACE{#3}}\uline{#2}}
\newcommand{\REP}[2]{\REPLACE{#1}{#2}{\ignorespaces}}
\newcommand{\REPc}[3]{\REPLACE{#1}{#2}{\par {#3}}}

\newcommand{\REPd}[2]{\REPLACE{}{#2}{D:\par {#1}}}

%% -- commands --------------------------------------------------
\newcommand{\howmanycoms}{%
\begin{center}
\frame{\Large\bf There are \thecommentctr\ comments to be addressed !!!}
\message{*** THERE ARE *\thecommentctr* COMMENTS ***}
\end{center}
}

\newcommand{\com}[1]%
{%\message{Attention ... #1 ...}%
  \mbox{}\\
  \noindent
  \phantomsection
  \label{comment:\thecommentctr}
  \framebox[\linewidth][c]{\stepcounter{commentctr}{\parbox[t]{\textwidth}{\centering \BFONT\thecommentctr: #1}}}
  %\framebox[\linewidth][c]{\stepcounter{commentctr}{\BFONT\thecommentctr: \parbox[][][c]{\textwidth-4em}{#1}}}
  \ignorespaces
}
% --------------------------------------------------
\newcommand{\margincomment}[1]%
{%
  {%
    \setlength{\fboxsep}{1pt}%
    % decide whether to use sidepar/marginpar depending on \ifinner???
    \commentsidepar{\raggedright\hspace{0pt}\parbox[t]{1.76\marginparwidth}{\MFONT{#1}}}%
  }%
  \ignorespaces
}
% --------------------------------------------------
\newcommand{\comment}[1]%
{%
  \phantomsection
  \label{comment:\thecommentctr}%
  \stepcounter{commentctr}%
  \margincomment{\raisebox{.1ex}{\framebox{\rm\thecommentctr}}\ #1}%
  {\setlength{\fboxsep}{1pt}%
    \raisebox{.3ex}{{\tiny\framebox{\rm\thecommentctr}}}%
    }%
%\setlength{\fboxsep}{3pt}%
  \message{Attention ... COMMENT *\thecommentctr* ...}%
  \ignorespaces}
% --------------------------------------------------
\newcommand{\new}[1]{#1\comment{NEW!}}
% --------------------------------------------------
\newcommand{\tbf}{\com{TO BE FILLED}}
\newcommand{\tbfc}[1]{\margincomment{#1}\tbf}
%
\newcommand{\tbr}{\com{TO BE REFINED}}
\newcommand{\tbrc}[1]{\margincomment{#1}\tbr}
%
\newcommand{\tbc}{\com{TO BE COMPLETED}}
\newcommand{\tbcc}[1]{\margincomment{#1}\tbc}
%
\newcommand{\tbrw}{\com{TO BE REWRITTEN}}
\newcommand{\tbrwc}[1]{\margincomment{#1}\tbrw}
%
\newcommand{\comc}[2]{\margincomment{#2}\com{#1}}
%
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%

%
\renewcommand{\@oddfoot}{\hbox to \textwidth{%
$\bullet\bullet\bullet\quad$%
\DRAFTMSG\/%
$\quad\bullet\bullet\bullet$%
\hfil%
{\thepage:\small\#\thecommentctr} --- $\bigcirc_R\ \bigcirc_M$}%
}
\renewcommand{\@evenfoot}{\@oddfoot}
\renewcommand{\@oddhead}{\null\hfil\scriptsize\rm\VERSION\ {\#\thecommentctr}}
\renewcommand{\@evenhead}{\@oddhead}

\newcommand{\stamp}{\date{%
    \begin{tabular}{|ccc|}
      \multicolumn{3}{c}{\it --- Preliminary Draft ---}
      \\[2ex]\hline
      \texttt{\jobname.tex} &---& \texttt{\today} at \texttt{\timenow{h}}
      \\
      \textit{Read} {\LARGE $\bigcirc$} && \textit{Modified} {\LARGE $\bigcirc$}
      \\[1pt]\hline
    \end{tabular}}}

\newcommand{\forloop}[5][1]{%
  \setcounter{#2}{#3}%
  \ifthenelse{#4}{#5\addtocounter{#2}{#1}\forloop[#1]{#2}{\value{#2}}{#4}{#5}}{}%
}

\AtBeginDocument{%
\stamp
}

\AtEndDocument{%
\newpage
{\vfill\noindent\large
This article was processed using the comments style on \today.\\
There are \thecommentctr\ comments to be processed:
\hfill$\bigcirc_\mathit{Read}\ \bigcirc_\mathit{Modified}$\\
\newcounter{ct}%
\newcounter{lastct}%
\setcounter{lastct}{\thecommentctr}%
\addtocounter{lastct}{-1}
\forloop{ct}{0}{\value{ct} < \thecommentctr}{%
\pageref{comment:\thect}\ifthenelse{\value{ct} < \thelastct}{,}{ }
}%
}%
\message{*** THERE ARE *\thecommentctr* COMMENTS ***}%
\clearpage
}