--- loncom/xml/londefdef.pm 2004/07/12 15:46:52 1.223 +++ loncom/xml/londefdef.pm 2005/02/07 20:15:11 1.252 @@ -1,7 +1,7 @@ # The LearningOnline Network with CAPA # Tags Default Definition Module # -# $Id: londefdef.pm,v 1.223 2004/07/12 15:46:52 sakharuk Exp $ +# $Id: londefdef.pm,v 1.252 2005/02/07 20:15:11 matthew Exp $ # # # Copyright Michigan State University Board of Trustees @@ -63,9 +63,11 @@ sub initialize_londefdef { $Apache::londefdef::TD_redirection=0; @Apache::londefdef::table = (); $Apache::londefdef::select=0; - @Apache::londefdef::description=(); - $Apache::londefdef::DD_redirection=0; - $Apache::londefdef::DT_redirection=0; + undef(@Apache::londefdef::description); + @Apache::londefdef::DD=(0); + @Apache::londefdef::DT=(0); + @Apache::londefdef::seenDT=(0); + $Apache::londefdef::list_index=0; } #======================= TAG SUBROUTINES ===================== @@ -150,8 +152,7 @@ sub start_html { my $options=$ENV{'course.'.$ENV{'request.course.id'}.'.tthoptions'}; &Apache::lontexconvert::init_tth(); if ($target eq 'web' || $target eq 'edit') { - $currentstring = &Apache::lonxml::xmlbegin(). - &Apache::lonxml::fontsettings(); + $currentstring = &Apache::lonxml::xmlbegin(); } elsif ($target eq 'tex') { @Apache::londefdef::table = (); $currentstring .= '\documentclass[letterpaper]{article}'; @@ -162,6 +163,7 @@ sub start_html { '\usepackage{textcomp}'. '\usepackage{makeidx}'. '\usepackage[dvips]{graphicx}'. + '\usepackage{picins}'. '\usepackage{epsfig}'. '\usepackage{calc}'. '\usepackage{amsmath}'. @@ -176,10 +178,10 @@ sub start_html { } sub end_html { - my ($target,$token) = @_; + my ($target,$token,$tagstack,$parstack,$parser,$safeeval) = @_; my $currentstring = ''; if ($target eq 'web') { - $currentstring = &Apache::lonxml::xmlend(); + $currentstring = &Apache::lonxml::xmlend($target,$parser); } return $currentstring; } @@ -189,7 +191,7 @@ sub start_head { my ($target,$token) = @_; my $currentstring = ''; if ($target eq 'web') { - $currentstring = $token->[4]; + $currentstring = $token->[4].&Apache::lonxml::fontsettings(); } return $currentstring; } @@ -478,6 +480,7 @@ sub end_accessrule { sub start_body { my ($target,$token,$tagstack,$parstack,$parser,$safeeval) = @_; my $currentstring = ''; + if ($target eq 'web') { if ($Apache::lonhomework::parsing_a_problem) { &Apache::lonxml::warning(" tag found inside of tag this can cause problems."); @@ -529,12 +532,19 @@ sub start_body { $token->[2]->{'onunload'}=&Apache::lonmenu::unloadevents(). ';'.$onUnload; - $currentstring .= '<'.$token->[1]; + if ($ENV{'request.state'} ne 'construct') { + $currentstring .= '<'.$token->[1]; + } foreach (keys %{$token->[2]}) { $currentstring.=' '.$_.'="'.$token->[2]->{$_}.'"'; } - $currentstring.='>'; + if ($ENV{'request.state'} ne 'construct') { + $currentstring.='>'; + } if ($ENV{'request.state'} ne 'published') { + my $remote=($ENV{'environment.remote'} ne 'off'); + $currentstring=&Apache::loncommon::bodytag(undef,undef, + $currentstring,$remote); $currentstring.=(< @@ -1133,16 +1143,16 @@ sub end_p { if ($target eq 'web') { $currentstring .= $token->[2]; } elsif ($target eq 'tex') { - if ($$tagstack[-1] eq 'p') { - my $align=&Apache::lonxml::get_param('align',$parstack,$safeeval,undef,1); - if ($align eq 'center') { - $currentstring .= '\end{center}'; - } elsif ($align eq 'right') { - $currentstring .= '}}'; - } elsif ($align eq 'left') { - $currentstring .= '}\hfill}'; - } - } + my $align=&Apache::lonxml::get_param('align',$parstack,$safeeval,undef,1); + if (not defined $align) { + $currentstring.='\strut\\\\\strut '; + } elsif ($align eq 'center') { + $currentstring .= '\end{center}'; + } elsif ($align eq 'right') { + $currentstring .= '}}'; + } elsif ($align eq 'left') { + $currentstring .= '}\hfill}'; + } } return $currentstring; } @@ -1154,8 +1164,17 @@ sub start_br { if ($target eq 'web') { $currentstring .= $token->[4]; } elsif ($target eq 'tex') { - if (($$tagstack[-2] eq 'b') || ($$tagstack[-2] eq 'strong') || - ($$tagstack[-2] eq 'ol') || ($$tagstack[-2] eq 'ul')) { + my @tempo=@$tagstack; + my $signal=0; + for (my $i=$#tempo;$i>=0;$i--) { + if (($tempo[$i] eq 'b') || ($tempo[$i] eq 'strong') || + ($tempo[$i] eq 'ol') || ($tempo[$i] eq 'ul') || + ($tempo[$i] eq 'td') || ($tempo[$i] eq 'th')) { + $signal=1; + last; + } + } + if ($signal) { $currentstring .= ' \vskip 0 mm '; } elsif ($$tagstack[-2] ne 'sub' && $$tagstack[-2] ne 'sup') { $currentstring .= '\strut \\\\ \strut '; @@ -1444,7 +1463,9 @@ sub start_a { my ($target,$token,$tagstack,$parstack,$parser,$safeeval) = @_; my $currentstring = ''; if ($target eq 'web') { - $currentstring .= $token->[4]; + my $href=&Apache::lonxml::get_param('href',$parstack,$safeeval, + undef,1); + $currentstring=&Apache::lonenc::encrypt_ref($token,{'href'=>$href}); } elsif ($target eq 'tex') { my $a=&Apache::lonxml::get_param('href',$parstack,$safeeval,undef,1); my $b=&Apache::lonxml::get_param('name',$parstack,$safeeval,undef,1); @@ -1476,17 +1497,28 @@ sub start_li { if ($target eq 'web') { $currentstring = $token->[4]; } elsif ($target eq 'tex') { - my $type=&Apache::lonxml::get_param('type',$parstack,$safeeval,undef,1); - if ($type=~/circle/) { - $currentstring .= ' \item[o] '; + my $type=&Apache::lonxml::get_param('type',$parstack,$safeeval,undef,0); + my $value=&Apache::lonxml::get_param('value',$parstack,$safeeval,undef,0); + #FIXME need to support types i and I + if ($type=~/disc/) { + $currentstring .= ' \item[$\bullet$] '; + } elsif ($type=~/circle/) { + $currentstring .= ' \item[$\circ$] '; } elsif ($type=~/square/) { - $currentstring .= ' \item[$\Box$] '; - } elsif ($type ne '') { - $currentstring .= ' \item['.$type.'] '; + $currentstring .= ' \item[$\diamond$] '; + } elsif ($type eq '1') { + $currentstring .= ' \item['.($Apache::londefdef::list_index+1).'.]'; + } elsif ($type eq 'A') { + $currentstring .= ' \item['.('A'..'Z')[$Apache::londefdef::list_index].'.]'; + } elsif ($type eq 'a') { + $currentstring .= ' \item['.('a'..'z')[$Apache::londefdef::list_index].'.]'; + } elsif ($value ne '') { + $currentstring .= ' \item['.$value.'] '; } else { $currentstring .= ' \item '; } - } + $Apache::londefdef::list_index++; + } return $currentstring; } @@ -1533,6 +1565,7 @@ sub start_ul { $currentstring = $token->[4]; } elsif ($target eq 'tex') { my $TeXtype=&Apache::lonxml::get_param('type',$parstack,$safeeval,undef,0); + $Apache::londefdef::list_index=0; if ($TeXtype eq 'disc') { $currentstring .= '\renewcommand{\labelitemi}{$\bullet$}'. '\renewcommand{\labelitemii}{$\bullet$}'. @@ -1621,6 +1654,7 @@ sub start_ol { if ($target eq 'web') { $currentstring = $token->[4]; } elsif ($target eq 'tex') { + $Apache::londefdef::list_index=0; my $type=&Apache::lonxml::get_param('type',$parstack,$safeeval,undef,0); if ($type eq '1') { $currentstring .= '\renewcommand{\labelenumi}{\arabic{enumi}.}'. @@ -1675,9 +1709,11 @@ sub start_dl { $currentstring = $token->[4]; } elsif ($target eq 'tex') { $currentstring = '\begin{description}'; - @Apache::londefdef::description=(); - $Apache::londefdef::DD_redirection=0; - $Apache::londefdef::DT_redirection=0; + $Apache::londefdef::DL++; + push(@Apache::londefdef::description,[]); + $Apache::londefdef::DD[$Apache::londefdef::DL]=0; + $Apache::londefdef::DT[$Apache::londefdef::DL]=0; + $Apache::londefdef::seenDT[$Apache::londefdef::DL]=0; } return $currentstring; } @@ -1688,18 +1724,17 @@ sub end_dl { if ($target eq 'web') { $currentstring = $token->[2]; } elsif ($target eq 'tex') { - if ($Apache::londefdef::DT_redirection) { - my $data=&item_cleanup; - push @Apache::londefdef::description,'\item['.$data.']'; - $Apache::londefdef::DT_redirection=0; - } elsif ($Apache::londefdef::DD_redirection) { - $Apache::londefdef::description[-1].=&Apache::lonxml::endredirection(); - } - foreach my $element (@Apache::londefdef::description) { + if ($Apache::londefdef::DT[-1]) { &end_dt(@_); } + if ($Apache::londefdef::DD[-1]) { &end_dd(@_); } + foreach my $element (@{$Apache::londefdef::description[-1]}) { $currentstring.=' '.$element.' '; } - @Apache::londefdef::description=(); + pop(@Apache::londefdef::description); $currentstring.='\end{description}'; + delete($Apache::londefdef::DD[$Apache::londefdef::DL]); + delete($Apache::londefdef::DT[$Apache::londefdef::DL]); + delete($Apache::londefdef::seenDT[$Apache::londefdef::DL]); + $Apache::londefdef::DL--; } return $currentstring; } @@ -1711,16 +1746,11 @@ sub start_dt { if ($target eq 'web') { $currentstring = $token->[4]; } elsif ($target eq 'tex') { - if ($Apache::londefdef::DT_redirection) { - my $data=&item_cleanup; - push @Apache::londefdef::description,'\item['.$data.']'; - $Apache::londefdef::DT_redirection=0; - } elsif ($Apache::londefdef::DD_redirection) { - $Apache::londefdef::description[-1].=&Apache::lonxml::endredirection(); - $Apache::londefdef::DD_redirection=0; - } + if ($Apache::londefdef::DT[-1]) { &end_dt(@_); } + if ($Apache::londefdef::DD[-1]) { &end_dd(@_); } &Apache::lonxml::startredirection(); - $Apache::londefdef::DT_redirection=1; + $Apache::londefdef::DT[-1]++; + $Apache::londefdef::seenDT[-1]=1; } return $currentstring; } @@ -1731,9 +1761,11 @@ sub end_dt { if ($target eq 'web') { $currentstring = $token->[2]; } elsif ($target eq 'tex') { - my $data=&item_cleanup; - push @Apache::londefdef::description,'\item['.$data.']'; - $Apache::londefdef::DT_redirection=0; + if ($Apache::londefdef::DT[-1]) { + my $data=&item_cleanup(); + push(@{$Apache::londefdef::description[-1]},'\item['.$data.'] \strut \vskip 0mm'); + $Apache::londefdef::DT[-1]--; + } } return $currentstring; } @@ -1752,12 +1784,14 @@ sub start_dd { if ($target eq 'web') { $currentstring = $token->[4]; } elsif ($target eq 'tex') { - if ($Apache::londefdef::DT_redirection) { - my $data=&item_cleanup; - push @Apache::londefdef::description,'\item['.$data.']'; - $Apache::londefdef::DT_redirection=0; - } - $Apache::londefdef::DD_redirection=1; + if ($Apache::londefdef::DT[-1]) { &end_dt(@_); } + if ($Apache::londefdef::DD[-1]) { &end_dd(@_);} + if (!$Apache::londefdef::seenDT[-1]) { + push(@{$Apache::londefdef::description[-1]},'\item[\strut] \strut \vskip 0mm '); + } + push(@{$Apache::londefdef::description[-1]},''); + $Apache::londefdef::description[-1]->[-1].=' \strut '; + $Apache::londefdef::DD[-1]++; &Apache::lonxml::startredirection(); } return $currentstring; @@ -1769,8 +1803,9 @@ sub end_dd { if ($target eq 'web') { $currentstring = $token->[2]; } elsif ($target eq 'tex') { - $Apache::londefdef::description[-1].=&Apache::lonxml::endredirection(); - $Apache::londefdef::DD_redirection=0; + $Apache::londefdef::description[-1]->[-1].= + &Apache::lonxml::endredirection().' \vskip 0mm '; + $Apache::londefdef::DD[-1]--; } return $currentstring; } @@ -1797,7 +1832,7 @@ sub start_table { $textwidth=$Apache::londefdef::table[-2]{'TeXlen'}[$Apache::londefdef::table[-2]{'row_number'}][$Apache::londefdef::table[-2]{'counter_columns'}]; } else { #try to use all space not used before (minus 5% for LaTeX table internal) - rather silly - my $textwidth=$Apache::londefdef::table[-2]{'width'}; + $textwidth=$Apache::londefdef::table[-2]{'width'}; for (my $i=0;$i<$Apache::londefdef::table[-2]{'counter_columns'};$i++) { $textwidth=$textwidth-$Apache::londefdef::table[-2]{'TeXlen'}[0][$i]; } @@ -1840,6 +1875,7 @@ sub start_table { $Apache::londefdef::table[-1]{'output'}.=' \noindent \begin{tabular} '; $Apache::londefdef::table[-1]{'TeXlen'}=[]; $Apache::londefdef::table[-1]{'objectlen'}=[]; + $Apache::londefdef::table[-1]{'objectsignal'}=[]; $Apache::londefdef::table[-1]{'maxlen'}=[]; $Apache::londefdef::table[-1]{'minlen'}=[]; $Apache::londefdef::table[-1]{'content'}=[]; @@ -1868,7 +1904,7 @@ sub end_table { } #free space and number of empty columns my ($available_space,$empty_columns)=($Apache::londefdef::table[-1]{'width'},0); -## &Apache::lonnet::logthis("Available space $Apache::londefdef::table[-1]{'width'}"); + if ($#Apache::londefdef::table ne 0) {$available_space=0.9*$available_space;} for (my $jn=0;$jn<=$Apache::londefdef::table[-1]{'counter_columns'};$jn++) { if ($Apache::londefdef::table[-1]{'TeXlen'}[0][$jn]==0) { $empty_columns++; @@ -1891,7 +1927,6 @@ sub end_table { } push @min_len, $localmin; push @max_len, $localmax; - &Apache::lonnet::logthis("TABLEOUTPUT1: $localmin><$localmax<<<"); } for (my $jn=0;$jn<=$Apache::londefdef::table[-1]{'counter_columns'};$jn++) { my $localmin=0,; @@ -1900,13 +1935,18 @@ sub end_table { $localmin=$Apache::londefdef::table[-1]{'objectlen'}[$in][$jn]; } } - if ($max_len[$jn]<$localmin) {$max_len[$jn]=$localmin;}#object size is bigger - if ($min_len[$jn]<$localmin) {$min_len[$jn]=$localmin;}#object size is bigger + if ($max_len[$jn]<$localmin) { + $max_len[$jn]=$localmin; + $Apache::londefdef::table[-1]{'objectsignal'}[$jn]=1; + }#object size is bigger + if ($min_len[$jn]<$localmin) { + $min_len[$jn]=$localmin; + $Apache::londefdef::table[-1]{'objectsignal'}[$jn]=1; + }#object size is bigger if ($Apache::londefdef::table[-1]{'TeXlen'}[0][$jn]!=0) { $min_len[$jn]=0; $max_len[$jn]=0; } - &Apache::lonnet::logthis("TABLEOUTPUT2: $min_len[$jn]><$max_len[$jn]<<<"); } #final adjustment of column width my @fwidth=@{$Apache::londefdef::table[-1]{'TeXlen'}[0]};#final width array @@ -1921,7 +1961,6 @@ sub end_table { if ($fwidth[$jn]==0) { $fwidth[$jn]=$max_len[$jn]; } - &Apache::lonnet::logthis("TABLEOUTPUT3: $fwidth[$jn]<<<"); } } else { #step 2. adjustment by minimum value (estimation) @@ -1935,7 +1974,36 @@ sub end_table { if ($fwidth[$jn]==0) { $fwidth[$jn]=$min_len[$jn]; } - &Apache::lonnet::logthis("TABLEOUTPUT4: $fwidth[$jn]<<<"); + } + #check if we have objects which can be scaled + my $how_many_to_scale=0; + my @to_scale=(); + for (my $jn=0;$jn<=$#max_len;$jn++) { + if ($Apache::londefdef::table[-1]{'objectsignal'}[$jn] eq '1') { + $how_many_to_scale++; + push @to_scale, $jn; + } + } + if ($how_many_to_scale>0) { + my $space_to_adjust=($space_neeeded-$available_space)/$how_many_to_scale; + foreach my $jn (@to_scale) { + for (my $in=0;$in<=$Apache::londefdef::table[-1]{'row_number'};$in++) { + $Apache::londefdef::table[-1]{'content'}[$in][$jn]=~m/width\s*=\s*(\d+\.?\d*\s*(mm|cm|in|pc|pt)*)/; + if ($1 ne '') { + my $current_length=&recalc($1); + $current_length=~/(\d+\.?\d*)/; + $current_length=$current_length-$space_to_adjust; + $Apache::londefdef::table[-1]{'content'}[$in][$jn]=~s/width\s*=\s*(\d+\.?\d*\s*(mm|cm|in|pc|pt)*)/width=$current_length mm/; + } + $Apache::londefdef::table[-1]{'content'}[$in][$jn]=~m/\[(\d+\.?\d*)\s*mm\]/; + if ($1 ne '') { + my $current_length=$1; + $current_length=$current_length-$space_to_adjust; + $Apache::londefdef::table[-1]{'content'}[$in][$jn]=~s/\[(\d+\.?\d*)\s*mm\]/\[$current_length mm\]/; + } + } + $fwidth[$jn]=$fwidth[$jn]-$space_to_adjust; + } } } else { #step 3. adjustment over minimal + corrections @@ -1948,8 +2016,6 @@ sub end_table { $acsessive=$acsessive+$adjust[$jn]-$max_len[$jn]; $adjust[$jn]=0; } - &Apache::lonnet::logthis("TABLEOUTPUT10: $adjust[$jn]<<<"); - &Apache::lonnet::logthis("TABLEOUTPUT10a: $acsessive<<<"); } if ($acsessive>0) { #we have an excess of space and can redistribute it @@ -1965,7 +2031,6 @@ sub end_table { $adjust[$jn]+=$per_column; $fwidth[$jn]=$adjust[$jn]; } - &Apache::lonnet::logthis("TABLEOUTPUT5: $fwidth[$jn]<<<"); } } else { for (my $jn=0;$jn<=$#min_len;$jn++) { @@ -2014,13 +2079,13 @@ sub end_table { for (my $in=0;$in<=$Apache::londefdef::table[-1]{'row_number'};$in++) { for (my $jn=0;$jn<=$#fwidth;$jn++) { if ($Apache::londefdef::table[-1]{'align'}[$in][$jn] eq 'c') { - $output.='\begin{center}'; + $output.='\vspace*{-6 mm}\begin{center}'; } elsif ($Apache::londefdef::table[-1]{'align'}[$in][$jn] eq 'r') { $output.=' \hfill \llap{' } $output.=$Apache::londefdef::table[-1]{'content'}[$in][$jn]; if ($Apache::londefdef::table[-1]{'align'}[$in][$jn] eq 'c') { - $output.='\end{center}'; + $output.='\end{center}\vspace*{-6 mm}'; } elsif ($Apache::londefdef::table[-1]{'align'}[$in][$jn] eq 'r') { $output.='} '; } @@ -2156,6 +2221,26 @@ sub end_td_tex { push @ {$Apache::londefdef::table[-1]{'objectlen'}[$Apache::londefdef::table[-1]{'row_number'}] },$fwidth; push @ {$Apache::londefdef::table[-1]{'minlen'}[$Apache::londefdef::table[-1]{'row_number'}] },'0'; push @ {$Apache::londefdef::table[-1]{'maxlen'}[$Apache::londefdef::table[-1]{'row_number'}] },'0'; + } elsif ($data=~/\\parbox\{\s*\d+\.?\d*\s*(mm|cm|in|pc|pt)*\s*\}/ or $data=~/\\epsfxsize\s*=\s*\d+\.?\d*\s*(mm|cm|in|pc|pt)*/) { + my $garbage_data=$data; + my $fwidth=0; + while ($garbage_data=~/\\parbox\{\s*(\d+\.?\d*\s*(mm|cm|in|pc|pt)*)\s*\}/) { + my $current_length=&recalc($1); + $current_length=~/(\d+\.?\d*)/; + if ($fwidth<$1) {$fwidth=$1;} + $garbage_data=~s/\\parbox\{\s*(\d+\.?\d*\s*(mm|cm|in|pc|pt)*)//; + } + while ($garbage_data=~/\\epsfxsize\s*=\s*(\d+\.?\d*\s*(mm|cm|in|pc|pt)*)/) { + my $current_length=&recalc($1); + $current_length=~/(\d+\.?\d*)/; + if ($fwidth<$1) {$fwidth=$1;} + $garbage_data=~s/\\epsfxsize\s*=\s*(\d+\.?\d*\s*(mm|cm|in|pc|pt)*)//; + } + push @ {$Apache::londefdef::table[-1]{'TeXlen'}[$Apache::londefdef::table[-1]{'row_number'}] },'0'; + push @ {$Apache::londefdef::table[-1]{'objectlen'}[$Apache::londefdef::table[-1]{'row_number'}] },$fwidth; + push @ {$Apache::londefdef::table[-1]{'minlen'}[$Apache::londefdef::table[-1]{'row_number'}] },'0'; + push @ {$Apache::londefdef::table[-1]{'maxlen'}[$Apache::londefdef::table[-1]{'row_number'}] },'0'; + $data=~s/\\\\\s*$//; } else { $data=~s/^\s+(\S.*)/$1/; $data=~s/(.*\S)\s+$/$1/; @@ -2178,7 +2263,7 @@ sub end_td_tex { $current_length=2.5*&LATEX_length($data); my @words=split(/ /,$data); foreach my $word (@words) { - my $lengthword=2.5*&LATEX_length($word); + my $lengthword=2*&LATEX_length($word); if ($min_length<$lengthword) {$min_length=$lengthword;} } } @@ -2214,71 +2299,156 @@ sub start_th { if ($target eq 'web') { $currentstring = $token->[4]; } elsif ($target eq 'tex') { - my $what_to_push = substr(&Apache::lonxml::get_param('align',$parstack,$safeeval,undef,1),0,1); - if ($what_to_push eq '') { - $what_to_push = substr($Apache::londefdef::table[-1]{'rows'}[0],0,1);; - } - push @{ $Apache::londefdef::table[-1]{'columns'} }, $what_to_push; - $Apache::londefdef::table[-1]{'counter_columns'}++; - &Apache::lonxml::startredirection(); + $Apache::londefdef::TD_redirection = 1; + &tagg_check('tr','th',$tagstack,$parstack,$parser,$safeeval); } return $currentstring; } - + +sub tagg_check { + my ($good_tag,$bad_tag,$tagstack,$parstack,$parser,$safeeval) = @_; + my @ar=@$parstack; + for (my $i=$#ar-1;$i>=0;$i--) { + if (lc($$tagstack[$i]) eq $good_tag) { + &start_th_tex($parstack,$parser,$safeeval); + last; + } elsif (lc($$tagstack[$i]) eq $bad_tag) { + splice @ar, $i+1; + &end_th_tex(\@ar,$parser,$safeeval); + &start_th_tex($parstack,$parser,$safeeval); + last; + } + } + return ''; +} + +sub start_th_tex { + my ($parstack,$parser,$safeeval) = @_; + my $alignchar = substr(&Apache::lonxml::get_param('align',$parstack,$safeeval,undef,1),0,1); + if ($alignchar eq '') { + $alignchar = $Apache::londefdef::table[-1]{'rows'}[-1]; + } + push @{ $Apache::londefdef::table[-1]{'align'}[$Apache::londefdef::table[-1]{'row_number'}] }, $alignchar; + $Apache::londefdef::table[-1]{'counter_columns'}++; + my $TeXwidth=&Apache::lonxml::get_param('TeXwidth',$parstack,$safeeval,undef,0); + if (defined $TeXwidth) { + my $current_length=&recalc($TeXwidth); + $current_length=~/(\d+\.?\d*)/; + push @ {$Apache::londefdef::table[-1]{'TeXlen'}[$Apache::londefdef::table[-1]{'row_number'}] },$1; + } + &Apache::lonxml::startredirection(); + return ''; +} + +sub end_th_tex { + my ($parstack,$parser,$safeeval) = @_; + my $current_row = $Apache::londefdef::table[-1]{'row_number'}; + my $data=&Apache::lonxml::endredirection(); + my $TeXwidth=&Apache::lonxml::get_param('TeXwidth',$parstack,$safeeval,undef,0); + if (defined $TeXwidth) { + push @ {$Apache::londefdef::table[-1]{'objectlen'}[$Apache::londefdef::table[-1]{'row_number'}] },'0'; + push @ {$Apache::londefdef::table[-1]{'minlen'}[$Apache::londefdef::table[-1]{'row_number'}] },'0'; + push @ {$Apache::londefdef::table[-1]{'maxlen'}[$Apache::londefdef::table[-1]{'row_number'}] },'0'; + } else { + if (($data=~m/width\s*=\s*(\d+\.?\d*\s*(mm|cm|in|pc|pt)*)/) or ($data=~m/\[(\d+\.?\d*)\s*mm\]/)) { + my $garbage_data=$data; + my $fwidth=0; + while ($garbage_data=~m/width\s*=\s*(\d+\.?\d*\s*(mm|cm|in|pc|pt)*)/) { + my $current_length=&recalc($1); + $current_length=~/(\d+\.?\d*)/; + if ($fwidth<$1) {$fwidth=$1;} + $garbage_data=~s/width\s*=\s*(\d+\.?\d*\s*(mm|cm|in|pc|pt)*)//; + } + while ($garbage_data=~m/\[(\d+\.?\d*)\s*mm\]/) { + my $current_length=$1; + if ($fwidth<$current_length) {$fwidth=$current_length;} + $garbage_data=~s/\[(\d+\.?\d*)\s*mm\]//; + } + push @ {$Apache::londefdef::table[-1]{'TeXlen'}[$Apache::londefdef::table[-1]{'row_number'}] },'0'; + push @ {$Apache::londefdef::table[-1]{'objectlen'}[$Apache::londefdef::table[-1]{'row_number'}] },$fwidth; + push @ {$Apache::londefdef::table[-1]{'minlen'}[$Apache::londefdef::table[-1]{'row_number'}] },'0'; + push @ {$Apache::londefdef::table[-1]{'maxlen'}[$Apache::londefdef::table[-1]{'row_number'}] },'0'; + } else { + $data=~s/^\s+(\S.*)/$1/; + $data=~s/(.*\S)\s+$/$1/; + $data=~s/(\s)+/$1/; + my ($current_length,$min_length)=(0,0); + if ($data=~/\\vskip/) { + my $newdata=$data; + $newdata=~s/\\vskip \d*\.?\d*\s*mm/THISISJUSTTEMPORARYSEPARATOR/g; + my @newdata=split(/THISISJUSTTEMPORARYSEPARATOR/,$newdata); + foreach my $elementdata (@newdata) { + my $lengthnewdata=2.5*&LATEX_length($elementdata); + if ($lengthnewdata>$current_length) {$current_length=$lengthnewdata;} + my @words=split(/ /,$elementdata); + foreach my $word (@words) { + my $lengthword=2.5*&LATEX_length($word); + if ($min_length<$lengthword) {$min_length=$lengthword;} + } + } + } else { + $current_length=2.5*&LATEX_length($data); + my @words=split(/ /,$data); + foreach my $word (@words) { + my $lengthword=2*&LATEX_length($word); + if ($min_length<$lengthword) {$min_length=$lengthword;} + } + } + push @ {$Apache::londefdef::table[-1]{'TeXlen'}[$Apache::londefdef::table[-1]{'row_number'}] },'0'; + push @ {$Apache::londefdef::table[-1]{'objectlen'}[$Apache::londefdef::table[-1]{'row_number'}] },'0'; + push @ {$Apache::londefdef::table[-1]{'maxlen'}[$Apache::londefdef::table[-1]{'row_number'}] },$current_length; + push @ {$Apache::londefdef::table[-1]{'minlen'}[$Apache::londefdef::table[-1]{'row_number'}] },$min_length; + } + } + for (my $in=0; $in<=$#{$Apache::londefdef::table[-1]{'include'}};$in++) { + $data=~s/\\keephidden\{NEW TABLE ENTRY\}/$Apache::londefdef::table[-1]{'include'}[$in]/; + } + #make data bold + $data='\textbf{'.$data.'}'; + push @ {$Apache::londefdef::table[-1]{'content'}[-1] },$data; + return''; +} + sub end_th { my ($target,$token,$tagstack,$parstack,$parser,$safeeval) = @_; my $currentstring = ''; if ($target eq 'web') { $currentstring = $token->[2]; } elsif ($target eq 'tex') { - my $current_row = $Apache::londefdef::table[-1]{'row_number'}; - my $data=&Apache::lonxml::endredirection(); - my $TeXwidth=&Apache::lonxml::get_param('TeXwidth',$parstack,$safeeval,undef,0); - if (defined $TeXwidth) { - my $current_length=&recalc($TeXwidth); - $current_length=~/(\d+)/; - $Apache::londefdef::table[-1]{'TeXlength'} .= $1.','; - $Apache::londefdef::table[-1]{'length'} .= '0,'; - } else { - if ($data=~m/width\s*=\s*(\d+\.?\d*\s*(mm|cm|in|pc|pt)*)/) { - my $current_length=&recalc($1); - $current_length=~/(\d+)/; - $Apache::londefdef::table[-1]{'TeXlength'} .= $1.','; - $Apache::londefdef::table[-1]{'length'} .= '0,'; - } else { - $data=~/^\s*(\S.*)/; - $data=$1; - $data=~/(.*\S)\s*$/; - $data=$1; - my $current_length=2*length($data); - $Apache::londefdef::table[-1]{'length'} .= $current_length.','; - $Apache::londefdef::table[-1]{'TeXlength'} .= '0,'; - } - } - for (my $in=0; $in<=$#{$Apache::londefdef::table[-1]{'include'}};$in++) { - $data=~s/\\keephidden\{NEW TABLE ENTRY\}/$Apache::londefdef::table[-1]{'include'}[$in]/; - } - $data='\textbf{'.$data.'}'; - @{ $Apache::londefdef::table[-1]{'rowdata'} }[$current_row] .= '\parbox{TOBECHANGEDONNUMBER}{'.$data.'} '.$Apache::londefdef::table[-1]{'vinc'}; + $Apache::londefdef::TD_redirection =0; + &end_th_tex($parstack,$parser,$safeeval); } return $currentstring; } + #-- tag (end tag forbidden) +# +# Render the tag. +# has the following attributes (in addition to the +# standard HTML ones: +# TeXwrap - Governs how the tex target will try to wrap text around +# horizontally aligned images. +# TeXwidth - The width of the image when rendered for print (mm). +# TeXheight - The height of the image when rendered for print (mm) +# (Note there seems to also be support for this as a % of page size) +# sub start_img { my ($target,$token,$tagstack,$parstack,$parser,$safeeval) = @_; my $src = &Apache::lonxml::get_param('src',$parstack,$safeeval, undef,1); if (not $src and ($target eq 'web' or $target eq 'tex')) { my $inside = &Apache::lonxml::get_all_text("/img",$parser); - &Apache::lonnet::logthis("inside was $inside"); return ''; } $Apache::lonxml::extlinks[$#Apache::lonxml::extlinks+1]=$src; my $currentstring = ''; my $scaling = .3; + + # Render unto browsers that which are the browser's... + if ($target eq 'web') { if ($ENV{'browser.imagesuppress'} ne 'on') { - $currentstring.= $token->[4]; + $currentstring.=&Apache::lonenc::encrypt_ref($token,{'src'=>$src}); } else { my $alttag= &Apache::lonxml::get_param ('alt',$parstack,$safeeval,undef,1); @@ -2288,27 +2458,61 @@ sub start_img { } $currentstring.='[IMAGE: '.$alttag.']'; } + + # and render unto TeX that which is LaTeX + } elsif ($target eq 'tex') { - $src=&Apache::lonnet::filelocation($Apache::lonxml::pwd[-1],$src); - #if uploaded restore the path - if ($src=~/^\/uploaded\/([^\/]+)\/([^\/]+)\/simplepage\/([^\/]+)$/) { - $src=&Apache::loncommon::propath($1,$2).'/userfiles/simplepage/'.$3; - } elsif ($src=~/^\/uploaded\/([^\/]+)\/([^\/]+)\/aboutme\/([^\/]+)$/) { - $src=&Apache::loncommon::propath($1,$2).'/userfiles/aboutme/'.$3; + # + # The alignment will require some superstructure to be put around + # the \includegraphics stuff. At present we can only partially + # simulate the alignments offered by html. + # + # + my $align = lc(&Apache::lonxml::get_param('align', + $parstack, + $safeeval, + undef,1)); + if(!$align) { + $align = "bottom"; # This is html's default so it's ours too. + } + # + &Apache::lonxml::debug("Alignemnt = $align"); + # LaTeX's image/text wrapping is really bad since it wants to + # make figures float. + # The user has the optional parameter (applicable only to l/r + # alignment to use the picins/parpic directive to get wrapped text + # this is also imperfect.. that's why we give them a choice... + # so they can't yell at us for our choice. + # + my $latex_rendering = &Apache::lonxml::get_param('TeXwrap', + $parstack, + $safeeval, + undef,0); + &Apache::lonxml::debug("LaTeX rendering = $latex_rendering"); + if(!$latex_rendering) { + $latex_rendering = "parbox"; } + &Apache::lonxml::debug("LaTeX rendering = $latex_rendering"); + + my $oldSRC=$src; + $oldSRC=~s/\.(gif|jpg|png)$/\.eps/; + $src=&Apache::lonnet::filelocation($Apache::lonxml::pwd[-1],$src); #if original gif/jpg/png file exist do following: if (-e $src) { #what is the image size? - my $width_param=&image_size($src,$scaling,$parstack,$safeeval); + my $width_param=&image_width($src,$scaling,$parstack,$safeeval); + my $height_param=&image_height($src,$scaling,$parstack,$safeeval); my ($file,$path)=&file_path($src); my $newsrc = $src; $newsrc =~ s/\.(gif|jpg|png)$/.eps/i; + &Apache::lonnet::repcopy($oldSRC); $file=~s/\.(gif|jpg|png)$/.eps/i; #where can we find the picture? if (-e $newsrc) { #eps counterpart for image exist if ($path) { - $currentstring .= '\vskip 1 mm \noindent\graphicspath{{'.$path.'}}\includegraphics[width='.$width_param.' mm]{'.$file.'} '; + $currentstring .= '\graphicspath{{'.$path.'}}' + .'\includegraphics[width='.$width_param.' mm,height='.$height_param.'mm]{'.$file.'} '; } } else { #there is no eps counterpart for image - check for ps one @@ -2317,12 +2521,41 @@ sub start_img { #ps counterpart for image exist $file =~ s/\.eps$/\.ps/; if ($path) { - $currentstring .= '\vskip 1 mm \noindent\graphicspath{{'.$path.'}}\includegraphics[width='.$width_param.' mm]{'.$file.'} '; + $currentstring .= '\graphicspath{{'.$path.'}}\includegraphics[width='.$width_param.' mm]{'.$file.'} '; } } else { #care about eps dynamical generation - $currentstring.='\vskip 1 mm '.&eps_generation($src,$file,$width_param); + $currentstring.=&eps_generation($src,$file,$width_param); + } + } + # If there's an alignment specification we need to honor it here. + # For the horizontal alignments, we will also honor the + # value of the latex specfication. The default is parbox, + # and that's used for illegal values too. + # + # Even though we set a default alignment value, the user + # could have given us an illegal value. In that case we + # just use the default alignment of bottom.. + if ($align eq "top") { + $currentstring = '\raisebox{-'.$height_param.'mm}{'.$currentstring.'}'; + } elsif (($align eq "center") || ($align eq "middle")) { # Being kind + my $offset = $height_param/2; + $currentstring = '\raisebox{-'.$offset.'mm}{'.$currentstring.'}'; + } elsif ($align eq "left") { + if ($latex_rendering eq "parpic") { + $currentstring = '\parpic[l]{'.$currentstring.'}'; + } else { # parbox rendering + $currentstring = '\newline'."\n".'\parbox{'.$width_param.'mm}{'.$currentstring.'}'; + } + } elsif ($align eq "right") { + if ($latex_rendering eq "parpic") { + $currentstring = '\parpic[r]{'.$currentstring.'}'; + } else { # parbox rendering. + $currentstring = '\parbox{'.$width_param.'mm}{\begin{flushright}' + .$currentstring.'\end{flushright}} \newline'."\n"; } + } else { # Bottom is also default. + # $currentstring = '\raisebox{'.$height_param.'mm}{'.$currentstring.'}'; } } else { #original image file doesn't exist so check the alt attribute @@ -2338,6 +2571,11 @@ sub start_img { # tag will care about replication } } + + # And here's where the semi-quote breaks down: allow the user + # to edit the beast as well by rendering the problem for edit: + + } elsif ($target eq 'edit') { $currentstring .=&Apache::edit::tag_start($target,$token); $currentstring .=&Apache::edit::text_arg('Image Url:','src',$token,70). @@ -2348,11 +2586,17 @@ sub start_img { $currentstring .=&Apache::edit::text_arg('height (pixel):','height',$token,5).'
'; $currentstring .=&Apache::edit::text_arg('TeXwidth (mm):','TeXwidth',$token,5); $currentstring .=&Apache::edit::text_arg('TeXheight (mm):','TeXheight',$token,5); + $currentstring .=&Apache::edit::select_arg('Alignment:','align', + ['','bottom','middle','top','left','right'],$token,5); + $currentstring .=&Apache::edit::select_arg('TeXwrap:', 'TeXwrap', + ['', 'parbox', 'parpic'], $token, 2); $currentstring .=&Apache::edit::end_row().&Apache::edit::start_spanning_row(); - my $src=&Apache::lonxml::get_param('src',$parstack,$safeeval); - my $alt=&Apache::lonxml::get_param('alt',$parstack,$safeeval); - my $width=&Apache::lonxml::get_param('width',$parstack,$safeeval); - my $height=&Apache::lonxml::get_param('height',$parstack,$safeeval); + my $src= &Apache::lonxml::get_param('src',$parstack,$safeeval); + my $alt= &Apache::lonxml::get_param('alt',$parstack,$safeeval); + my $width= &Apache::lonxml::get_param('width',$parstack,$safeeval); + my $height= &Apache::lonxml::get_param('height',$parstack,$safeeval); + + $currentstring .= ''.$alt.'[2]{'src'},$token->[2]{'width'},$token->[2]{'height'}); my $ctag=&Apache::edit::get_new_args($token,$parstack, - $safeeval,'src','alt', - 'TeXwidth','TeXheight', + $safeeval,'src','alt','align', + 'TeXwidth','TeXheight', 'TeXwrap', 'width','height'); my ($nsrc,$nwidth,$nheight)= ($token->[2]{'src'},$token->[2]{'width'},$token->[2]{'height'}); @@ -2426,7 +2670,10 @@ sub start_applet { my $currentstring = ''; if ($target eq 'web') { if ($ENV{'browser.appletsuppress'} ne 'on') { - $currentstring = $token->[4]; + $currentstring = &Apache::lonenc::encrypt_ref($token, + {'code'=>$code, + 'archive'=>$archive} + ); } else { my $alttag= &Apache::lonxml::get_param('alt',$parstack, $safeeval,undef,1); @@ -2469,7 +2716,7 @@ sub start_embed { my $currentstring = ''; if ($target eq 'web') { if ($ENV{'browser.embedsuppress'} ne 'on') { - $currentstring = $token->[4]; + $currentstring=&Apache::lonenc::encrypt_ref($token,{'src'=>$src}); } else { my $alttag=&Apache::lonxml::get_param ('alt',$parstack,$safeeval,undef,1); @@ -2505,7 +2752,16 @@ sub start_param { &Apache::lonxml::get_param('src',$parstack,$safeeval,undef,1); my $currentstring = ''; if ($target eq 'web') { - $currentstring = $token->[4]; + my %toconvert; + my $src=&Apache::lonxml::get_param('src',$parstack,$safeeval,undef,1); + if ($src) { $toconvert{'src'}= $src; } + my $name=&Apache::lonxml::get_param('name',$parstack,$safeeval, + undef,1); + if ($name=~/^cabbase$/i) { + $toconvert{'value'}=&Apache::lonxml::get_param('value',$parstack, + $safeeval,undef,1); + } + $currentstring = &Apache::lonenc::encrypt_ref($token,\%toconvert); } elsif ($target eq 'tex') { } return $currentstring; @@ -2528,7 +2784,7 @@ sub start_allow { $src=&Apache::lonnet::filelocation($Apache::lonxml::pwd[-1],$src); $Apache::lonxml::extlinks[$#Apache::lonxml::extlinks+1]= &Apache::lonnet::clutter($src); - &image_replication($src); + if ($target eq 'tex') { &image_replication($src); } my $result; if ($target eq 'edit') { $result .=&Apache::edit::tag_start($target,$token); @@ -3540,18 +3796,39 @@ sub image_size { my $width = &Apache::lonxml::get_param('width',$parstack,$safeeval, undef,1); if ($TeXwidth ne '') { + my $old_width_param=$width_param; if ($TeXwidth=~/(\d+)\s*\%/) { $width_param = $1*$ENV{'form.textwidth'}/100; } else { $width_param = $TeXwidth; } + $height_param=$TeXwidth/$old_width_param*$height_param; } elsif ($TeXheight ne '') { - $width_param = $TeXheight/$height_param*$width_param; + $height_param = $TeXheight; + $width_param = $TeXheight/$height_param*$width_param; } elsif ($width ne '') { + my $old_width_param=$width_param; $width_param = $width*$scaling; + $height_param=$width_param/$old_width_param*$height_param; } - if ($width_param > $ENV{'form.textwidth'}) {$width_param =0.95*$ENV{'form.textwidth'}} - return $width_param; + if ($width_param > $ENV{'form.textwidth'}) { + my $old_width_param=$width_param; + $width_param =0.95*$ENV{'form.textwidth'}; + $height_param=$width_param/$old_width_param*$height_param; + } + return ($height_param, $width_param); +} + +sub image_width { + my ($height, $width) = &image_size(@_); + return $width; +} +# Not yet 100% sure this is correct in all circumstances.. +# due to my uncertainty about mods to image_size. +# +sub image_height { + my ($height, $width) = &image_size(@_); + return $height; } sub eps_generation { @@ -3569,7 +3846,11 @@ sub eps_generation { $newsrc=~s/\/home\/httpd\/lonUsers//; $newsrc=~s/\/([^\/]+)\/(\w)\/(\w)\/(\w)\//\/$1\//; } - return ' \graphicspath{{/home/httpd/prtspool'.$newsrc.'}}\includegraphics[width='.$width_param.' mm]{'.$file.'} '; + if ($newsrc=~/\/userfiles\//) { + return ' \graphicspath{{'.$newsrc.'}}\includegraphics[width='.$width_param.' mm]{'.$file.'} '; + } else { + return ' \graphicspath{{/home/httpd/prtspool'.$newsrc.'}}\includegraphics[width='.$width_param.' mm]{'.$file.'} '; + } } sub file_path { @@ -3621,8 +3902,6 @@ sub LATEX_length { $garbage=~s|\\(\w+)\\|\\|g; $garbage=~s|\\(\w+)(\s*)|$2|g; $garbage=~s|\+|11|g; - - &Apache::lonnet::logthis("garbage was just $garbage"); my $value=length($garbage); return $value; }