--- loncom/interface/lonprintout.pm 2006/07/17 23:11:10 1.463 +++ loncom/interface/lonprintout.pm 2006/10/20 17:37:20 1.488 @@ -1,7 +1,8 @@ +# # The LearningOnline Network # Printout # -# $Id: lonprintout.pm,v 1.463 2006/07/17 23:11:10 foxr Exp $ +# $Id: lonprintout.pm,v 1.488 2006/10/20 17:37:20 albertel Exp $ # # Copyright Michigan State University Board of Trustees # @@ -22,7 +23,6 @@ # Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA # # /home/httpd/html/adm/gpl.txt -# # http://www.lon-capa.org/ # # @@ -49,6 +49,33 @@ my %perm; my %parmhash; my $resources_printed; +# +# printf_style_subst item format_string repl +# +# Does printf style substitution for a format string that +# can have %[n]item in it.. wherever, %[n]item occurs, +# rep is substituted in format_string. Note that +# [n] is an optional integer length. If provided, +# repl is truncated to at most [n] characters prior to +# substitution. +# +sub printf_style_subst { + my ($item, $format_string, $repl) = @_; + + while ($format_string =~m/\G[^%]*(%(\d*)\Q$item\E)/g) { + my $fmt = $1; + my $size = $2; + my $subst = $repl; + if ($size ne "") { + $subst = substr($subst, 0, $size); + } + my $newpos = pos($format_string) + length($subst) - length($fmt); + $format_string =~ s/\Q$fmt\E\G/$subst/; + pos($format_string)=$newpos; + } + return $format_string; +} + # Format a header according to a format. # @@ -59,17 +86,48 @@ my $resources_printed; # %n - Student name. # sub format_page_header { - my ($format, $assignment, $course, $student) = @_; + my ($width, $format, $assignment, $course, $student) = @_; + $width = &recalcto_mm($width); # Get width in mm. # Default format? if ($format eq '') { + # For the default format, we may need to truncate + # elements.. To do this we need to get the page width. + # we assume that each character is about 2mm in width. + # (correct for the header text size??). We ignore + # any formatting (e.g. boldfacing in this). + # + # - Allow the student/course to be one line. + # but only truncate the course. + # - Allow the assignment to be 2 lines (wrapped). + # + my $chars_per_line = $width/2; # Character/textline. + + + my $firstline = "$student $course"; + if (length($firstline) > $chars_per_line) { + my $lastchar = $chars_per_line - length($student) - 1; + if ($lastchar > 0) { + $course = substr($course, 0, $lastchar); + } else { # Nothing left of course: + $course = ''; + } + } + if (length($assignment) > $chars_per_line) { + $assignment = substr($assignment, 0, $chars_per_line); + } + $format = "\\textbf{$student} $course \\hfill \\thepage \\\\ \\textit{$assignment}"; } else { - $format =~ s/%a/$assignment/g; - $format =~ s/%c/$course/g; - $format =~ s/%n/$student/g; + # An open question is how to handle long user formatted page headers... + # A possible future is to support e.g. %na so that the user can control + # the truncation of the elements that can appear in the header. + # + $format = &printf_style_subst("a", $format, $assignment); + $format = &printf_style_subst("c", $format, $course); + $format = &printf_style_subst("n", $format, $student); } @@ -627,8 +685,8 @@ my %page_formats= '2' => ['3.66 in','9.8 in', '-0.57 in','-0.57 in','0.7 cm'] }, 'album' => { - '1' => [ '8.8 in', '6.8 in','-0.55 in', '-0.83 in','1 cm'], - '2' => [ '4.4 in', '6.8 in','-0.5 in', '-1.5 in','3.5 in'] + '1' => [ '8.8 in', '6.8 in','-0.55 in', '-0.55 in','1 cm'], + '2' => [ '4.8 in', '6.8 in','-0.5 in', '-1.0 in','3.5 in'] }, }, 'legal' => { @@ -760,7 +818,7 @@ sub page_format_transformation { my $courseidinfo = &get_course(); if (defined($courseidinfo)) { $courseidinfo=' - '.$courseidinfo } my $header_text = $parmhash{'print_header_format'}; - $header_text = &format_page_header($header_text, $assignment, + $header_text = &format_page_header($textwidth, $header_text, $assignment, $courseidinfo, $name); my $topmargintoinsert = ''; if ($topmargin ne '0') {$topmargintoinsert='\setlength{\topmargin}{'.$topmargin.'}';} @@ -811,6 +869,8 @@ sub details_for_menu { if (!$postdata) { $postdata=$helper->{VARS}{'postdata'}; } my $name_of_resource = &Apache::lonnet::gettitle($postdata); my $symbolic = &Apache::lonnet::symbread($postdata); + return if ( $symbolic eq ''); + my ($map,$id,$resource)=&Apache::lonnet::decode_symb($symbolic); $map=&Apache::lonnet::clutter($map); my $name_of_sequence = &Apache::lonnet::gettitle($map); @@ -826,16 +886,21 @@ sub details_for_menu { return ($name_of_resource,$name_of_sequence,$name_of_map); } +sub copyright_line { + return '\noindent\makebox[\textwidth/$number_of_columns][b]{\hrulefill}\vspace*{-2 mm}\newline\noindent{\tiny Printed from LON-CAPA\copyright MSU{\hfill} Licensed under GNU General Public License } '; +} +my $end_of_student = "\n".'\special{ps:ENDOFSTUDENTSTAMP}'."\n"; sub latex_corrections { my ($number_of_columns,$result,$selectionmade,$answer_mode) = @_; # $result =~ s/\\includegraphics{/\\includegraphics\[width=\\minipagewidth\]{/g; - $result =~ s/\$number_of_columns/$number_of_columns/g; + my $copyright = ©right_line(); if ($selectionmade eq '1' || $answer_mode eq 'only') { - $result =~ s/(\\end{document})/\\strut\\vskip 0 mm\\noindent\\makebox\[\\textwidth\/$number_of_columns\]\[b\]{\\hrulefill}\\newline\\noindent\\tiny Printed from LON-CAPA\\copyright MSU{\\hfill} Licensed under GNU General Public License $1/; + $result =~ s/(\\end{document})/\\strut\\vskip 0 mm $copyright $end_of_student $1/; } else { - $result =~ s/(\\end{document})/\\strut\\vspace\*{-4 mm}\\newline\\noindent\\makebox\[\\textwidth\/$number_of_columns\]\[b\]{\\hrulefill}\\newline\\noindent\\tiny Printed from LON-CAPA\\copyright MSU{\\hfill} Licensed under GNU General Public License $1/; + $result =~ s/(\\end{document})/\\strut\\vspace\*{-4 mm}\\newline $copyright $end_of_student $1/; } + $result =~ s/\$number_of_columns/$number_of_columns/g; $result =~ s/(\\end{longtable}\s*)(\\strut\\newline\\noindent\\makebox\[\\textwidth\/$number_of_columns\]\[b\]{\\hrulefill})/$2$1/g; $result =~ s/(\\end{longtable}\s*)\\strut\\newline/$1/g; #-- LaTeX corrections @@ -892,7 +957,7 @@ sub IndexCreation { sub print_latex_header { my $mode=shift; - my $output='\documentclass[letterpaper,twoside]{article}'; + my $output='\documentclass[letterpaper,twoside]{article}\raggedbottom'; if (($mode eq 'batchmode') || (!$perm{'pav'})) { $output.='\batchmode'; } @@ -1113,7 +1178,9 @@ sub print_construction_sequence { # If necessary, encapsulate answer in minipage: $texversion=&print_latex_header($helper->{'VARS'}->{'LATEX_TYPE'}); - my $body ='\vskip 0 mm \noindent\textbf{'.&Apache::lonnet::gettitle($helper->{'VARS'}->{'symb'}).'}\vskip 0 mm '; + my $title = &Apache::lonnet::gettitle($helper->{'VARS'}->{'symb'}); + $title = &Apache::lonxml::latex_special_symbols($title); + my $body ='\vskip 0 mm \noindent\textbf{'.$title.'}\vskip 0 mm '; $body.=&path_to_problem($urlp,$LaTeXwidth); $body.='\vskip 1 mm '.$answer.'\end{document}'; $body = &encapsulate_minipage($body); @@ -1308,7 +1375,9 @@ ENDPART } else { $texversion=&print_latex_header($helper->{'VARS'}->{'LATEX_TYPE'}); if ($helper->{'VARS'}->{'construction'} ne '1') { - $texversion.='\vskip 0 mm \noindent\textbf{'.&Apache::lonnet::gettitle($helper->{'VARS'}->{'symb'}).'}\vskip 0 mm '; + my $title = &Apache::lonnet::gettitle($helper->{'VARS'}->{'symb'}); + $title = &Apache::lonxml::latex_special_symbols($title); + $texversion.='\vskip 0 mm \noindent\textbf{'.$title.'}\vskip 0 mm '; $texversion.=&path_to_problem($cleanURL,$LaTeXwidth); } else { $texversion.='\vskip 0 mm \noindent\textbf{Prints from construction space - there is no title.}\vskip 0 mm '; @@ -1429,7 +1498,9 @@ ENDPART } else { if ($urlp=~/\.(problem|exam|quiz|assess|survey|form|library)$/) { $texversion=&print_latex_header($helper->{'VARS'}->{'LATEX_TYPE'}); - my $body ='\vskip 0 mm \noindent\textbf{'.&Apache::lonnet::gettitle($master_seq[$i]).'}\vskip 0 mm '; + my $title = &Apache::lonnet::gettitle($master_seq[$i]); + $title = &Apache::lonxml::latex_special_symbols($title); + my $body ='\vskip 0 mm \noindent\textbf{'.$title.'}\vskip 0 mm '; $body .= &path_to_problem ($urlp,$LaTeXwidth); $body .='\vskip 1 mm '.$answer; $body = &encapsulate_minipage($body); @@ -1453,7 +1524,7 @@ ENDPART if (defined($courseidinfo)) { $courseidinfo=' - '.$courseidinfo } $prevassignment=$assignment; my $header_text = $parmhash{'print_header_format'}; - $header_text = &format_page_header($header_text, + $header_text = &format_page_header($textwidth, $header_text, $assignment, $courseidinfo, $name); @@ -1753,18 +1824,12 @@ ENDPART $result = &page_format_transformation($papersize,$laystyle,$numberofcolumns,$helper->{'VARS'}->{'PRINT_TYPE'},$result,$helper->{VARS}->{'assignment'},$helper->{'VARS'}->{'TABLE_CONTENTS'},$helper->{'VARS'}->{'TABLE_INDEX'},$selectionmade); $result = &latex_corrections($number_of_columns,$result,$selectionmade, $helper->{'VARS'}->{'ANSWER_TYPE'}); - for (my $i=1;$i<=$#print_array;$i++) { - $print_array[$i] = - &latex_corrections($number_of_columns,$print_array[$i], - $selectionmade, - $helper->{'VARS'}->{'ANSWER_TYPE'}); - } - if ($numberofcolumns == 1) { + #if ($numberofcolumns == 1) { $result =~ s/\\textwidth\s*=\s*-?\d*\.?\d*\s*(cm|mm|in)/\\textwidth= $helper->{'VARS'}->{'pagesize.width'} $helper->{'VARS'}->{'pagesize.widthunit'} /; $result =~ s/\\textheight\s*=?\s*-?\d*\.?\d*\s*(cm|mm|in)/\\textheight $helper->{'VARS'}->{'pagesize.height'} $helper->{'VARS'}->{'pagesize.heightunit'} /; $result =~ s/\\evensidemargin\s*=\s*-?\d*\.?\d*\s*(cm|mm|in)/\\evensidemargin= $helper->{'VARS'}->{'pagesize.lmargin'} $helper->{'VARS'}->{'pagesize.lmarginunit'} /; $result =~ s/\\oddsidemargin\s*=\s*-?\d*\.?\d*\s*(cm|mm|in)/\\oddsidemargin= $helper->{'VARS'}->{'pagesize.lmargin'} $helper->{'VARS'}->{'pagesize.lmarginunit'} /; - } + #} #-- writing .tex file in prtspool my $temp_file; @@ -1785,9 +1850,15 @@ ENDPART if ($i==0) { $print_array[$i]=$result; } else { + $print_array[$i].='\end{document}'; + $print_array[$i] = + &latex_corrections($number_of_columns,$print_array[$i], + $selectionmade, + $helper->{'VARS'}->{'ANSWER_TYPE'}); + my $anobegin=index($print_array[$i],'\setcounter{page}',0); substr($print_array[$i],0,$anobegin)=''; - $print_array[$i]=$inc.$print_array[$i].'\end{document}'; + $print_array[$i]=$inc.$print_array[$i]; } my $temp_file; my $newfilename=$filename; @@ -1898,8 +1969,7 @@ sub print_resources { &Apache::lonxml::clear_problem_counter(); my %page_breaks = &get_page_breaks($helper); - my @format_array = split(/\|/,$helper->{'VARS'}->{'FORMAT'}); - my $columns_in_format = $format_array[1]; + my $columns_in_format = (split(/\|/,$helper->{'VARS'}->{'FORMAT'}))[1]; # # end each student with a # Special that allows the post processor to even out the page @@ -1947,8 +2017,10 @@ sub print_resources { my $header =&print_latex_header($helper->{'VARS'}->{'LATEX_TYPE'}); - my $body ='\vskip 0 mm \noindent\textbf{'.&Apache::lonnet::gettitle($curresline).'}\vskip 0 mm '; - $body .=&path_to_problem($res_url,$LaTeXwidth); + my $title = &Apache::lonnet::gettitle($curresline); + $title = &Apache::lonxml::latex_special_symbols($title); + my $body ='\vskip 0 mm \noindent\textbf{'.$title.'}\vskip 0 mm '; + $body .=&path_to_problem($res_url,$LaTeXwidth); $body .='\vskip 1 mm '.$ansrendered; $body = &encapsulate_minipage($body); $rendered = $header.$body; @@ -1989,28 +2061,27 @@ sub print_resources { if (defined($courseidinfo)) { $courseidinfo=' - '.$courseidinfo } if ($usersection ne '') {$courseidinfo.=' - Sec. '.$usersection} my $currentassignment=&Apache::lonxml::latex_special_symbols($helper->{VARS}->{'assignment'},'header'); - my $HeaderLine = $parmhash{'print_header_format'}; - $HeaderLine = format_page_header($HeaderLine, $currentassignment, $courseidinfo, $fullname); - if ($current_output=~/\\documentclass/) { - if ($columns_in_format == 1) { - $current_output =~ s/\\begin{document}/\\setlength{\\topmargin}{1cm} \\begin{document}\\noindent\\parbox{\\minipagewidth}{\\noindent\\lhead{$HeaderLine$namepostfix}}\\vskip 5 mm /; - } else { - $current_output =~ s/\\begin{document}/\\setlength{\\topmargin}{1cm} \\begin{document}\\noindent\\parbox{\\minipagewidth}{\\noindent\\fancyhead[LO]{$HeaderLine$namepostfix}}\\vskip 5 mm /; + my $header_line = + &format_page_header($LaTeXwidth, $parmhash{'print_header_format'}, + $currentassignment, $courseidinfo, $fullname); + my $header_start = ($columns_in_format == 1) ? '\lhead' + : '\fancyhead[LO]'; + $header_line = $header_start.'{'.$header_line.'}'; - } + if ($current_output=~/\\documentclass/) { + $current_output =~ s/\\begin{document}/\\setlength{\\topmargin}{1cm} \\begin{document}\\noindent\\parbox{\\minipagewidth}{\\noindent$header_line$namepostfix}\\vskip 5 mm /; } else { - my $blankpages = ''; - for (my $j=0;$j<$helper->{'VARS'}->{'EMPTY_PAGES'};$j++) {$blankpages.='\clearpage\strut\clearpage';} - if ($columns_in_format == 1) { - $current_output = '\strut\vspace*{-6 mm}\\newline\\noindent\\makebox[\\textwidth/$number_of_columns][b]{\\hrulefill}\vspace*{-2 mm}\\newline\\noindent{\\tiny Printed from LON-CAPA\\copyright MSU{\\hfill} Licensed under GNU General Public License }\\newpage '.$blankpages.'\setcounter{page}{1}\noindent\parbox{\minipagewidth}{\noindent\\lhead{'.$HeaderLine.'}'.$namepostfix.'} \vskip 5 mm '.$current_output; - } else { - $current_output = '\strut\vspace*{-6 mm}\\newline\\noindent\\makebox[\\textwidth/$number_of_columns][b]{\\hrulefill}\vspace*{-2 mm}\\newline\\noindent{\\tiny Printed from LON-CAPA\\copyright MSU{\\hfill} Licensed under GNU General Public License }\\newpage '.$blankpages.'\setcounter{page}{1}\noindent\parbox{\minipagewidth}{\noindent\\fancyhead[LO]{'.$HeaderLine.'}'.$namepostfix.'} \vskip 5 mm '.$current_output; - } + my $blankpages = + '\clearpage\strut\clearpage'x$helper->{'VARS'}->{'EMPTY_PAGES'}; + + $current_output = '\strut\vspace*{-6 mm}\\newline'. + ©right_line().' \newpage '.$blankpages.$end_of_student. + '\setcounter{page}{1}\noindent\parbox{\minipagewidth}{\noindent'. + $header_line.$namepostfix.'} \vskip 5 mm '.$current_output; } # # Close the student bracketing. # - $current_output .= "\n\\special{ps:ENDOFSTUDENTSTAMP}\n"; return ($current_output,$fullname, $printed); } @@ -2064,7 +2135,7 @@ sub init_perm { $perm{'pav'}=&Apache::lonnet::allowed('pav', $env{'request.course.id'}.'/'.$env{'request.course.sec'}); } - $perm{'pfo'}=&Apache::lonnet::allowed('pav',$env{'request.course.id'}); + $perm{'pfo'}=&Apache::lonnet::allowed('pfo',$env{'request.course.id'}); if (!$perm{'pfo'}) { $perm{'pfo'}=&Apache::lonnet::allowed('pfo', $env{'request.course.id'}.'/'.$env{'request.course.sec'}); @@ -2112,6 +2183,7 @@ sub printHelper { $helper->declareVar('FINISHPAGE'); $helper->declareVar('PRINT_TYPE'); $helper->declareVar("showallfoils"); + $helper->declareVar("STUDENTS"); # The page breaks can get loaded initially from the course environment: # But we only do this in the initial state so that they are allowed to change. @@ -2123,6 +2195,8 @@ sub printHelper { {'pagebreaks' => 'scalar', 'lastprinttype' => 'scalar'}); + # This will persistently load in the data we want from the + # very first screen. if($helper->{VARS}->{PRINT_TYPE} eq $env{'form.lastprinttype'}) { if (!defined ($env{"form.CURRENT_STATE"})) { @@ -2137,9 +2211,7 @@ sub printHelper { } - - # This will persistently load in the data we want from the - # very first screen. + # Detect whether we're coming from construction space if ($env{'form.postdata'}=~/^(?:http:\/\/[^\/]+\/|\/|)\~([^\/]+)\/(.*)$/) { $helper->{VARS}->{'filename'} = "~$1/$2"; @@ -2147,6 +2219,9 @@ sub printHelper { } else { if ($env{'form.postdata'}) { $helper->{VARS}->{'symb'} = &Apache::lonnet::symbread($env{'form.postdata'}); + if ( $helper->{VARS}->{'symb'} eq '') { + $helper->{VARS}->{'postdata'} = $env{'form.postdata'}; + } } if ($env{'form.symb'}) { $helper->{VARS}->{'symb'} = $env{'form.symb'}; @@ -2174,6 +2249,7 @@ sub printHelper { my $symb = $helper->{VARS}->{'symb'}; my ($map, $id, $url); my $subdir; + my $is_published=0; # True when printing from resource space. # Get the resource name from construction space if ($helper->{VARS}->{'construction'}) { @@ -2182,9 +2258,15 @@ sub printHelper { $subdir = substr($helper->{VARS}->{'filename'}, 0, rindex($helper->{VARS}->{'filename'}, '/') + 1); } else { - ($map, $id, $url) = &Apache::lonnet::decode_symb($symb); - $helper->{VARS}->{'postdata'} = - &Apache::lonenc::check_encrypt(&Apache::lonnet::clutter($url)); + if ($symb ne '') { + ($map, $id, $url) = &Apache::lonnet::decode_symb($symb); + $helper->{VARS}->{'postdata'} = + &Apache::lonenc::check_encrypt(&Apache::lonnet::clutter($url)); + } else { + $url = $helper->{VARS}->{'postdata'}; + $is_published=1; # From resource space. + } + $url = &Apache::lonnet::clutter($url); if (!$resourceTitle) { # if the resource doesn't have a title, use the filename my $postdata = $helper->{VARS}->{'postdata'}; @@ -2205,11 +2287,6 @@ sub printHelper { # "Delete everything after the last slash." $subdir =~ s|/[^/]+$||; - if (not $helper->{VARS}->{'construction'}) { - $subdir=$Apache::lonnet::perlvar{'lonDocRoot'}.'/res/'.$subdir; - } - # "Remove all duplicate slashes." - $subdir =~ s|/+|/|g; # What can be printed is a very dynamic decision based on # lots of factors. So we need to dynamically build this list. @@ -2241,11 +2318,16 @@ sub printHelper { $helper->declareVar('SEQUENCE'); + # If we're in a sequence... + my $start_new_option; + if ($perm{'pav'}) { + $start_new_option = + "