appunti_print_a4_hor.tex

%!TEX encoding = UTF-8 Unicode

\documentclass[a4paper,twocolumn,landscape,openany,twoside,fleqn]{book}
\usepackage[inner=2.5cm,textwidth=718pt,columnsep=28pt,top=2cm,bottom=1cm]{geometry}
\setlength{\headsep}{1.5em}

\usepackage[font={sf}]{caption}
\usepackage{etoolbox} % \patchcmd
\usepackage{collect}
\usepackage{ifthen} % \ifthenelse

\setcounter{secnumdepth}{3}
\setcounter{tocdepth}{3}

\let\oldmarginpar\marginpar
\renewcommand\marginpar[1]{\oldmarginpar{}}

\patchcmd{\chapter}{plain}{fancy}{}{}
\patchcmd{\tableofcontents}{onecolumn}{twocolumn}{}{}

% --- LESSON MARK ---
\newcounter{thislessonpage}
\newcounter{lastlessonpage}
\newenvironment{lesson}[4]{%
\setcounter{thislessonpage}{\value{page}}%
\DTMsavenoparsedate{thislessondate}{#1}{#2}{#3}{-1}%
\DTMmakeglobal{thislessondate}%
}
{%
\setcounter{lastlessonpage}{\value{page}}%
\DTMsavenoparsedate{lastlessondate}{\DTMfetchyear{thislessondate}}{\DTMfetchmonth{thislessondate}}{\DTMfetchday{thislessondate}}{-1}%
\DTMmakeglobal{lastlessondate}%
}

\newcommand*\headcmacro{%
\ifthenelse { \value{lastlessonpage} = \value{page} \and \value{thislessonpage} = \value{lastlessonpage}}
{Lezioni \DTMusedate{lastlessondate}, \DTMusedate{thislessondate}}
{Lezione \DTMusedate{thislessondate}}%
}
% -------------------

% --- SOLUTIONS ---
\definecollection{solfile}
\newcommand\mycollect[1]{\collect{solfile}{\subsection*{Soluzione esercizio #1}}{}}
\newenvironment{solution} % solution to be put in the "solutions" chapter
{\begingroup\edef\x{\endgroup\noexpand\mycollect{\theexercise}}\x}%
{\endcollect}
\newcommand\solutions{%
\renewcommand*\headcmacro{}
\appendix\chapter{Soluzioni degli esercizi}
\includecollection{solfile}}
% -----------------

\input{appunti_core.tex}