--- loncom/xml/londefdef.pm 2002/07/01 19:58:25 1.67 +++ loncom/xml/londefdef.pm 2002/08/20 15:22:40 1.85 @@ -1,8 +1,7 @@ - # The LearningOnline Network with CAPA # Tags Default Definition Module # -# $Id: londefdef.pm,v 1.67 2002/07/01 19:58:25 sakharuk Exp $ +# $Id: londefdef.pm,v 1.85 2002/08/20 15:22:40 sakharuk Exp $ # # # Copyright Michigan State University Board of Trustees @@ -49,10 +48,11 @@ use Apache::lonnet; use strict; use Apache::lonxml; use Apache::File(); +use Image::Magick; BEGIN { - &Apache::lonxml::register('Apache::londefdef',('m','html','head','map','select','option','input','textarea','form','meta','title','body','center','b','strong','dt','h1','h2','h3','h4','h5','h6','cite','i','address','dd','dl','dir','ol','ul','menu','dfn','kbd','tt','code','em','q','p','br','big','small','basefont','font','s','sub','strike','sup','hr','a','li','u','output','param','applet','img','embed','allow','frameset','pre','insert','externallink','table','tr','th','td','blankspace','bubble','bubbles','bubbleline')); + &Apache::lonxml::register('Apache::londefdef',('m','html','head','map','select','option','input','textarea','form','meta','title','body','center','b','strong','dt','h1','h2','h3','h4','h5','h6','cite','i','address','dd','dl','dir','ol','ul','menu','dfn','kbd','tt','code','em','q','p','br','big','small','basefont','font','s','sub','strike','sup','hr','a','li','u','output','param','applet','img','embed','allow','frameset','pre','insert','div','externallink','table','tr','th','td','blankspace','bubble','bubbles','bubbleline')); } @@ -74,7 +74,7 @@ sub start_m { my $currentstring = ''; if ($target eq 'web') { $Apache::lonxml::prevent_entity_encode++; - my $inside = &Apache::lonxml::get_all_text("/m",$$parser[-1]); + my $inside = &Apache::lonxml::get_all_text_unbalanced("/m",$parser); $inside ='\\documentstyle{article}'.$inside; &Apache::lonxml::debug("M is starting with:$inside:"); my $eval=&Apache::lonxml::get_param('eval',$parstack,$safeeval); @@ -90,7 +90,10 @@ sub start_m { } #&Apache::lonxml::debug("M is ends with:$currentstring:"); } elsif ($target eq 'tex') { - $currentstring = ""; + $currentstring = &Apache::lonxml::get_all_text_unbalanced("/m",$parser); + if ($currentstring=~/^(\s*\\\\\s*)*$/) {$currentstring = ' \vskip 0 mm ';} + } else { + my $inside = &Apache::lonxml::get_all_text_unbalanced("/m",$parser); } return $currentstring; } @@ -120,7 +123,8 @@ sub end_m { } elsif ($target eq 'tex') { @Apache::londefdef::table = (); $currentstring .= '\documentclass[letterpaper]{article} - \newcommand{\keephidden}[1]{} + \newcommand{\keephidden}[1]{} + \renewcommand{\deg}{$^{\circ}$} \usepackage[dvips]{graphicx} \usepackage{epsfig}\usepackage{calc}'; } @@ -835,12 +839,14 @@ EDITBUTTON } #--
tag sub start_br { - my ($target,$token) = @_; + my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_; my $currentstring = ''; if ($target eq 'web') { $currentstring .= $token->[4]; } elsif ($target eq 'tex') { - $currentstring .= '\vskip 0 mm'; + if ($$tagstack[-2] ne 'sub' && $$tagstack[-2] ne 'sup') { + $currentstring .= '\vskip 0 mm'; + } } elsif ($target eq 'latexsource') { $currentstring .= '\\'; } @@ -949,7 +955,7 @@ EDITBUTTON if ($target eq 'web') { $currentstring .= $token->[4]; } elsif ($target eq 'tex') { - $currentstring .= "{\\underline "; + $currentstring .= '\underline{'; } return $currentstring; } @@ -959,7 +965,7 @@ EDITBUTTON if ($target eq 'web') { $currentstring .= $token->[2]; } elsif ($target eq 'tex') { - $currentstring .= " }"; + $currentstring .= '}'; } return $currentstring; } @@ -970,7 +976,7 @@ EDITBUTTON if ($target eq 'web') { $currentstring .= $token->[4]; } elsif ($target eq 'tex') { - $currentstring .= "{\\underline "; + $currentstring .= '\underline{'; } return $currentstring; } @@ -980,7 +986,7 @@ EDITBUTTON if ($target eq 'web') { $currentstring .= $token->[2]; } elsif ($target eq 'tex') { - $currentstring .= " }"; + $currentstring .= '}'; } return $currentstring; } @@ -1033,7 +1039,7 @@ EDITBUTTON if ($target eq 'web') { $currentstring .= $token->[4]; } elsif ($target eq 'tex') { - $currentstring .= "\\hline "; + $currentstring .= '\vskip 0 mm \noindent\makebox[\textwidth/2 ][b]{\hrulefill}\vskip 0 mm '; } return $currentstring; } @@ -1046,6 +1052,23 @@ EDITBUTTON } return $currentstring; } +#--
tag + sub start_div { + my ($target,$token) = @_; + my $currentstring = ''; + if ($target eq 'web') { + $currentstring .= $token->[4]; + } + return $currentstring; + } + sub end_div { + my ($target,$token) = @_; + my $currentstring = ''; + if ($target eq 'web') { + $currentstring .= $token->[2]; + } + return $currentstring; + } #-- tag sub start_a { my ($target,$token) = @_; @@ -1110,7 +1133,7 @@ EDITBUTTON if ($target eq 'web') { $currentstring .= $token->[4]; } elsif ($target eq 'tex') { - $currentstring .= "{\\underline "; + $currentstring .= '\underline{'; } return $currentstring; } @@ -1120,7 +1143,7 @@ EDITBUTTON if ($target eq 'web') { $currentstring .= $token->[2]; } elsif ($target eq 'tex') { - $currentstring .= " }"; + $currentstring .= '}'; } return $currentstring; } @@ -1277,7 +1300,7 @@ EDITBUTTON my $aa = {}; push @Apache::londefdef::table, $aa; $Apache::londefdef::table[-1]{'row_number'} = -1; - $Apache::londefdef::table[-1]{'output'} = '\begin{tabular} '; + $Apache::londefdef::table[-1]{'output'} = ' \noindent \begin{tabular} '; my $border = &Apache::lonxml::get_param('border',$parstack,$safeeval); unless (defined $border) { $border = 0; } if ($border) { @@ -1286,32 +1309,113 @@ EDITBUTTON $Apache::londefdef::table[-1]{'vvinc'} = '|'; } else { $Apache::londefdef::table[-1]{'hinc'} = ''; - $Apache::londefdef::table[-1]{'vinc'} = ''; + $Apache::londefdef::table[-1]{'vinc'} = '&'; $Apache::londefdef::table[-1]{'vvinc'} = ''; } } return $currentstring; } sub end_table { - my ($target,$token) = @_; + my ($target,$token,$tagstack,$parstack,$parser,$safeeval) = @_; my $currentstring = ''; if ($target eq 'web') { $currentstring = $token->[2]; } elsif ($target eq 'tex') { my $inmemory = ''; my $output = ''; + #construct header of the table my $header_of_table = '{'.$Apache::londefdef::table[-1]{'vvinc'}; my $in; for ($in=0;$in<=$Apache::londefdef::table[-1]{'counter_columns'};$in++) { $header_of_table .= $Apache::londefdef::table[-1]{'columns'}[$in].$Apache::londefdef::table[-1]{'vvinc'}; } $header_of_table .= '}'; + #fill the table for ($in=0;$in<=$Apache::londefdef::table[-1]{'row_number'};$in++) { $output .= $Apache::londefdef::table[-1]{'rowdata'}[$in]; chop $output; $output .= ' \\\\ '; } - $Apache::londefdef::table[-1]{'output'} .= $header_of_table.$output.$Apache::londefdef::table[-1]{'hinc'}.'\end{tabular}'; + #define the length of the table cells + my @lengthforoutput = split(/,/,$Apache::londefdef::table[-1]{'lengthrow'}[0]); + my $how_many_columns = $#lengthforoutput + 1; + my $filled_columns = 0; + foreach my $tempo_length (@{ $Apache::londefdef::table[-1]{'lengthrow'} }) { + my @length = split(/,/,$tempo_length); + my $nfilled_columns = 0; + for (my $ico=0;$ico<$how_many_columns;$ico++) { + if (not $lengthforoutput[$ico]=~m/\s*0\s*/) {$nfilled_columns++;} + } + if ($nfilled_columns > $filled_columns) {$filled_columns=$nfilled_columns;} + } + my $temp_file; + my $filename = "/home/httpd/prtspool/$ENV{'user.name'}_$ENV{'user.domain'}_printout.tbl"; + if (-e $filename) { + $temp_file = Apache::File->new($filename); + my @tbl_file_content = <$temp_file>; + my ($one,$two) = split(/,/,$tbl_file_content[0]); + $how_many_columns+=$one-1; + $filled_columns+=$two; + } else { + $temp_file = Apache::File->new('>>'.$filename); + } + print $temp_file "$how_many_columns,$filled_columns\n"; + foreach my $tempo_length (@{ $Apache::londefdef::table[-1]{'lengthrow'} }) { + my @length = split(/,/,$tempo_length); + for (my $ico=0;$ico<=$#lengthforoutput;$ico++) { + $lengthforoutput[$ico] =~ m/(\d*\.?\d*)\s*(\w+)/; + my $old_value = $1; + my $old_unit = $2; + if ($old_unit eq 'cm') { + $old_value = $old_value * 10; + } elsif ($old_unit eq 'in') { + $old_value = $old_value * 25.4; + } elsif ($old_unit eq 'pt') { + $old_value = $old_value * 25.4/72.27; + } elsif ($old_unit eq 'pc') { + $old_value = $old_value * 25.4/6.022; + } + $old_unit = 'mm'; + $length[$ico] =~ m/(\d*\.?\d*)\s*(\w+)/; + my $new_value = $1; + my $new_unit = $2; + if ($new_unit eq 'cm') { + $new_value = $new_value * 10; + } elsif ($old_unit eq 'in') { + $new_value = $new_value * 25.4; + } elsif ($old_unit eq 'pt') { + $new_value = $new_value * 25.4/72.27; + } elsif ($old_unit eq 'pc') { + $new_value = $new_value * 25.4/6.022; + } + $new_unit = 'mm'; + if ($old_value < $new_value) { + $lengthforoutput[$ico] = $new_value.' mm'; + } else { + $lengthforoutput[$ico] = $old_value.' mm'; + } + } + } + my $parboxlength = '(\textwidth'; + for (my $io=0; $io<=$#lengthforoutput;$io++) { + $parboxlength .= ' - '.$lengthforoutput[$io].' '; + } + $parboxlength .= ')/($GLOBALnumberOFcolumns+1) - 3 mm'; + $output =~ s/\\parbox{}{}/\\parbox{1 mm}{}/g; + $output =~ s/\\parbox{}{(\\textbf{\w?\.?})}/\\parbox{5 mm}{$1}/g; #for stupid tables with empty columns + $output =~ s/\\parbox{}/\\parbox{$parboxlength}/g; + my ($howmanyatall,$howmanyfilled) = (0,0); + + my @tagar = @$tagstack; + my $signature = 1; + for (my $ico=0;$ico<$#tagar;$ico++) { + if ($tagar[$ico] eq 'table') { $signature = 0; } + } + if ($signature) { + my $totalnumber = $how_many_columns-$filled_columns-1; + $output =~ s/\$GLOBALnumberOFcolumns/$totalnumber/g; + } + $Apache::londefdef::table[-1]{'output'} .= $header_of_table.$output.$Apache::londefdef::table[-1]{'hinc'}.'\end{tabular}\vskip 0 mm '; if ($#Apache::londefdef::table > 0) { $inmemory = $Apache::londefdef::table[-1]{'output'}; pop @Apache::londefdef::table; @@ -1320,6 +1424,9 @@ EDITBUTTON $currentstring = $Apache::londefdef::table[-1]{'output'}; $currentstring =~ s/\\\\\s+\\\\/\\\\/g; pop @Apache::londefdef::table; + if (-e $filename) { + unlink $filename; + } } } return $currentstring; @@ -1336,11 +1443,11 @@ EDITBUTTON if ($alignchar ne '') { push @ {$Apache::londefdef::table[-1]{'rows'} }, $alignchar; } else { - push @ {$Apache::londefdef::table[-1]{'rows'} }, 'c'; + push @ {$Apache::londefdef::table[-1]{'rows'} }, 'l'; } push ( @{ $Apache::londefdef::table[-1]{'rowdata'} }, $Apache::londefdef::table[-1]{'hinc'}); $Apache::londefdef::table[-1]{'counter_columns'} = -1; - + $Apache::londefdef::table[-1]{'length'} = ''; } return $currentstring; } @@ -1350,7 +1457,9 @@ EDITBUTTON if ($target eq 'web') { $currentstring = $token->[2]; } elsif ($target eq 'tex') { -# $currentstring .= ' START ROW '. $Apache::londefdef::table[-1]{'rowdata'}[$Apache::londefdef::table[-1]{'row_number'}].' END ROW '; +# $currentstring .= ' START ROW '. $Apache::londefdef::table[-1]{'rowdata'}[$Apache::londefdef::table[-1]{'row_number'}].' END ROW '; + push @{ $Apache::londefdef::table[-1]{'lengthrow'} },$Apache::londefdef::table[-1]{'length'}; + } return $currentstring; } @@ -1375,12 +1484,25 @@ EDITBUTTON sub end_td { my ($target,$token) = @_; my $currentstring = ''; + my $tempolen = ''; if ($target eq 'web') { $currentstring = $token->[2]; } elsif ($target eq 'tex') { my $current_row = $Apache::londefdef::table[-1]{'row_number'}; my $data=&Apache::lonxml::endredirection(); - @{ $Apache::londefdef::table[-1]{'rowdata'} }[$current_row] .= $data.' '.$Apache::londefdef::table[-1]{'vinc'}; + if ($data=~m/width\s*=\s*(\d+\.*\d*\s*(mm|cm|in|pc|pt))/) { + $Apache::londefdef::table[-1]{'length'} .= $1.','; + $tempolen = $1; + } else { + if (length($data)<5) { + $Apache::londefdef::table[-1]{'length'} .= '7 mm,'; + $tempolen = '5 mm'; + } else { + $Apache::londefdef::table[-1]{'length'} .= '0 mm,'; + $tempolen = ''; + } + } + @{ $Apache::londefdef::table[-1]{'rowdata'} }[$current_row] .= '\parbox{'.$tempolen.'}{'.$data.'} '.$Apache::londefdef::table[-1]{'vinc'}; } return $currentstring; } @@ -1410,7 +1532,12 @@ EDITBUTTON } elsif ($target eq 'tex') { my $current_row = $Apache::londefdef::table[-1]{'row_number'}; my $data=&Apache::lonxml::endredirection(); - @{ $Apache::londefdef::table[-1]{'rowdata'} }[$current_row] .= '\bf{'.$data.'} '.$Apache::londefdef::table[-1]{'vinc'}; + if ($data=~m/width\s*=\s*(\d+\.*\d*\s*(mm|cm))/) { + $Apache::londefdef::table[-1]{'length'} .= $1.','; + } else { + $Apache::londefdef::table[-1]{'length'} .= '0 mm,'; + } + @{ $Apache::londefdef::table[-1]{'rowdata'} }[$current_row] .= '\parbox{'.$1.'}{\textbf{'.$data.'}} '.$Apache::londefdef::table[-1]{'vinc'}; } return $currentstring; } @@ -1421,78 +1548,75 @@ EDITBUTTON $token->[2]->{'src'}; my $currentstring = ''; my $width_param = ''; + my $height_param = ''; + my $scaling = .3; if ($target eq 'web') { $currentstring = $token->[4]; } elsif ($target eq 'tex') { - my $TeXwidth = &Apache::lonxml::get_param('TeXwidth',$parstack,$safeeval); - my $TeXheight = &Apache::lonxml::get_param('TeXheight',$parstack,$safeeval); - my $width = &Apache::lonxml::get_param('width',$parstack,$safeeval); - if ($TeXwidth ne '') { - $width_param = $TeXwidth; - } elsif ($TeXheight ne '') { - $width_param = $TeXheight; - } else { - if ($width ne '') { - $width_param = $width*.3; - if ($width_param <= 900) { - $width_param = '[width='.$width_param.'mm]'; - } else { - $width_param = '[width= 9.0 cm]'; - } - } - } my $src = &Apache::lonxml::get_param('src',$parstack,$safeeval); $src=&Apache::lonnet::filelocation($Apache::lonxml::pwd[-1],$src); - my $epssrc = $src; - $epssrc =~ s/(\.gif|\.jpg|\.GIF|\.JPG)$/\.eps/; - if (not -e $epssrc) { - my $localfile = $epssrc; - $localfile =~ s/.*(\/res)/$1/; + #if original gif/jpg file exist do following: + if (-e $src) { + #defines the default size of image + my $image = Image::Magick->new; + my $current_figure = $image->Read($src); + $width_param = $image->Get('width') * $scaling;; + $height_param = $image->Get('height') * $scaling;; + undef $image; + #do we have any specified size of the picture? + my $TeXwidth = &Apache::lonxml::get_param('TeXwidth',$parstack,$safeeval); + my $TeXheight = &Apache::lonxml::get_param('TeXheight',$parstack,$safeeval); + my $width = &Apache::lonxml::get_param('width',$parstack,$safeeval); + if ($TeXwidth ne '') { + $width_param = $TeXwidth; + } elsif ($TeXheight ne '') { + $width_param = $TeXheight/$height_param*$width_param; + } elsif ($width ne '') { + $width_param = $width*$scaling; + } my $file; my $path; - if ($localfile =~ m!(.*)/([^/]*)$!) { - $file = $2; + if ($src =~ m!(.*)/([^/]*)$!) { + $file = $2; $path = $1.'/'; - } - my $signal_eps = 0; - my @content_directory = &Apache::lonnet::dirlist($path); - for (my $iy=0;$iy<=$#content_directory;$iy++) { - my @tempo_array = split(/&/,$content_directory[$iy]); - $content_directory[$iy] = $tempo_array[0]; - if ($file eq $tempo_array[0]) { - $signal_eps = 1; - last; + } + my $newsrc = $src; + $newsrc =~ s/(\.gif|\.jpg)$/\.eps/i; + $file=~s/(\.gif|\.jpg)$/\.eps/i; + #where can we find the picture? + if (-e $newsrc) { + #eps counterpart for image exist + if ($path) { + $currentstring .= '\noindent\graphicspath{{'.$path.'}}\fbox{\includegraphics[width='.$width_param.' mm]{'.$file.'}} '; } - } - if ($signal_eps) { - my $eps_file = &Apache::lonnet::getfile($localfile); } else { - $localfile = $src; - $localfile =~ s/.*(\/res)/$1/; - my $as = &Apache::lonnet::getfile($src); - - } - } - my $file; - my $path; - if ($src =~ m!(.*)/([^/]*)$!) { - $file = $2; - $path = $1.'/'; - } - my $newsrc = $src; - $newsrc =~ s/(\.gif|\.jpg)$/\.eps/i; - $file=~s/(\.gif|\.jpg)$/\.eps/i; - if (-e $newsrc) { - if ($path) { - $currentstring .= '\noindent\graphicspath{{'.$path.'}}\fbox{\includegraphics'.$width_param.'{'.$file.'}}'; + #there is no eps counterpart for image - check for ps one + $newsrc =~ s/\.eps$/\.ps/; + if (-e $newsrc) { + #ps counterpart for image exist + $file =~ s/\.eps$/\.ps/; + if ($path) { + $currentstring .= '\noindent\graphicspath{{'.$path.'}}\fbox{\includegraphics[width='.$width_param.' mm]{'.$file.'}} '; + } + } else { + #there aren't eps or ps - so create eps + my $temp_file; + my $filename = "/home/httpd/prtspool/$ENV{'user.name'}_$ENV{'user.domain'}_printout.dat"; + $temp_file = Apache::File->new('>>'.$filename); + print $temp_file "$src\n"; + $currentstring .= '\graphicspath{{/home/httpd/prtspool/}}\fbox{\includegraphics[width='.$width_param.' mm]{'.$file.'}} '; + } } } else { - my $temp_file; - my $filename = "/home/httpd/prtspool/$ENV{'user.name'}_$ENV{'user.domain'}_printout.dat"; - $temp_file = Apache::File->new('>>'.$filename); - print $temp_file "$src\n"; - $currentstring .= '\graphicspath{{/home/httpd/prtspool/}}\fbox{\includegraphics'.$width_param.'{'.$file.'}}'; + #original image file doesn't exist so check the alt attribute + my $alt = &Apache::lonxml::get_param('alt',$parstack,$safeeval); + if ($alt) { + $currentstring .= ' '.$alt.' '; + } else { + #there are no image and alt attribute + $currentstring .= ' THE ORIGINAL PROBLEM CONTAINS EMPTY IMG TAG WITHOUT IMAGE AND ALT ATTRIBUTE '; + } } } return $currentstring;