--- loncom/xml/londefdef.pm 2005/11/27 23:54:00 1.294 +++ loncom/xml/londefdef.pm 2006/01/03 23:41:52 1.307 @@ -1,7 +1,7 @@ # The LearningOnline Network with CAPA # Tags Default Definition Module # -# $Id: londefdef.pm,v 1.294 2005/11/27 23:54:00 foxr Exp $ +# $Id: londefdef.pm,v 1.307 2006/01/03 23:41:52 foxr Exp $ # # # Copyright Michigan State University Board of Trustees @@ -48,7 +48,7 @@ use Apache::lonmenu(); use Apache::lonmeta(); use Apache::Constants qw(:common); use File::Basename; -use Data::Dumper; +# use Data::Dumper; BEGIN { @@ -61,17 +61,15 @@ BEGIN { # Need this 'cause evidently when given an array, Data::Dumper only seems # to dump element 0. # -sub debug_dump_table { - my $lastrow = $#Apache::londefdef::table; - &Apache::lonnet::logthis("Dumping table: Last row index: $lastrow"); - my $row; - for ($row =0; $row <= $lastrow; $row++ ) { - my $text = Dumper($Apache::londefdef::table[$row]); - &Apache::lonnet::logthis("table [ $row ]".$text); - - } -} - +#sub debug_dump_table { +# my $lastrow = $#Apache::londefdef::table; +# &Apache::lonnet::logthis("Dumping table: Last row index: $lastrow"); +# my $row; +# for ($row =0; $row <= $lastrow; $row++ ) { +# my $text = Dumper($Apache::londefdef::table[$row]); +# &Apache::lonnet::logthis("table [ $row ]".$text); +# } +#} sub initialize_londefdef { $Apache::londefdef::TD_redirection=0; @Apache::londefdef::table = (); @@ -145,10 +143,11 @@ sub end_m { } sub start_tthoption { - my ($target,$token,$tagstack,$parstack,$parser,$safeeval) = @_; + my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style) = @_; my $result; if ($target eq 'web') { - my $inside = &Apache::lonxml::get_all_text("/tthoption",$parser); + my $inside = &Apache::lonxml::get_all_text("/tthoption",$parser, + $style); $inside=~s/^\s*//; if ($env{'browser.mathml'}) { &tth::ttmoptions($inside); @@ -174,11 +173,12 @@ sub start_html { if ($target eq 'web' || $target eq 'edit' || $target eq 'webgrade' ) { $currentstring = &Apache::lonxml::xmlbegin(); } elsif ($target eq 'tex') { - $currentstring .= '\documentclass[letterpaper]{article}'; + $currentstring .= '\documentclass[letterpaper,twoside]{article}'; if (($env{'form.latex_type'}=~'batchmode') || (!$env{'request.role.adv'})) {$currentstring .='\batchmode';} $currentstring .= '\newcommand{\keephidden}[1]{}'. '\renewcommand{\deg}{$^{\circ}$}'. + '\usepackage{multirow}'. '\usepackage{longtable}'. '\usepackage{textcomp}'. '\usepackage{makeidx}'. @@ -385,13 +385,13 @@ sub end_title { #-- tag (end tag forbidden) sub start_meta { - my ($target,$token,$tagstack,$parstack,$parser,$safeeval) = @_; + my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style) = @_; my $currentstring = ''; if ($target eq 'web') { my $args=''; if ( $#$parstack > -1 ) { $args=$$parstack[$#$parstack]; } if ($args eq '') { - &Apache::lonxml::get_all_text("/meta",$parser); + &Apache::lonxml::get_all_text("/meta",$parser,$style); } else { $currentstring = $token->[4]; } @@ -454,7 +454,7 @@ sub end_meta { # accessrule sub start_accessrule { - my ($target,$token,$tagstack,$parstack,$parser,$safeeval) = @_; + my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style) = @_; my $currentstring = ''; my $eff=&Apache::lonxml::get_param ('effect',$parstack,$safeeval,undef,1); @@ -473,7 +473,7 @@ sub start_accessrule { my $args=''; if ( $#$parstack > -1 ) { $args=$$parstack[$#$parstack]; } if ($args eq '') { - &Apache::lonxml::get_all_text("/accessrule",$parser); + &Apache::lonxml::get_all_text("/accessrule",$parser,$style); } else { $currentstring = $token->[4]; } @@ -1987,9 +1987,7 @@ sub start_table { $Apache::londefdef::table[-1]{'content'}=[]; $Apache::londefdef::table[-1]{'align'}=[]; $currentstring.='\keephidden{NEW TABLE ENTRY}'; - &Apache::lonnet::logthis("------ start-table------"); - &debug_dump_table; - &Apache::lonnet::logthis("-------start-table------"); + } return $currentstring; @@ -2004,9 +2002,8 @@ sub end_table { my $inmemory = ''; my $output = ''; my $WARNING=''; + # &debug_dump_table($Apache::londefdef::table[-1]); #width of columns from TeXwidth attributes - &Apache::lonnet::logthis("----------------end_table-----------------"); - &debug_dump_table; for (my $in=0;$in<=$Apache::londefdef::table[-1]{'row_number'};$in++) { for (my $jn=0;$jn<=$Apache::londefdef::table[-1]{'counter_columns'};$jn++) { @@ -2190,7 +2187,29 @@ sub end_table { $header_of_table .= '}'; #fill the table for (my $in=0;$in<=$Apache::londefdef::table[-1]{'row_number'};$in++) { + my $have_rowspan = 0; for (my $jn=0;$jn<=$#fwidth;$jn++) { + # + # Do the appropriate magic if this has a colspan + # + my $colspan = $Apache::londefdef::table[-1]{'colspan'}[$in][$jn]; + if ($colspan > 1) { + $output .= '\multicolumn{'. + $colspan + .'}{|l|}{'; + } + my $rowspan = $Apache::londefdef::table[-1]{'rowspan'}[$in][$jn]; + + # Start a rowspan if necessary: + + if ($rowspan > 1) { + $have_rowspan++; + $output .= '\multirow{'.$rowspan.'}[0]{'.$fwidth[$jn].'mm}{'; + } + if (($rowspan eq '^') || ($rowspan eq '_')) { + $have_rowspan++; + } + if ($Apache::londefdef::table[-1]{'align'}[$in][$jn] eq 'c') { # $output.='\vspace*{-6 mm}\begin{center}'; $output.='\begin{center}'; @@ -2204,16 +2223,43 @@ sub end_table { } elsif ($Apache::londefdef::table[-1]{'align'}[$in][$jn] eq 'r') { $output.='} '; } + # Close off any open multirow: + + if ($rowspan > 1) { + $output .= '}'; + } + # Close off the colspan... + # + if ($colspan > 1) { + $output .= '}'; + $jn += $colspan-1; # Adjust for number of rows really left. + } if ($jn!=$#fwidth) {$output.=' '.$Apache::londefdef::table[-1]{'vinc'};} } - $output.=' \\\\ '.$Apache::londefdef::table[-1]{'hinc'}.' '; + # If have_rowspan > 0, and borders are on, then + # we need to do more than put an \hline at the bottom of row. + # we need to do the appropriate \cline to ensure that + # the spanned rows don't have \hlines through them. + + if (($Apache::londefdef::table[-1]{'hinc'} =~ /\\hline/) && $have_rowspan) { + $output .= ' \\\\ '; + for (my $jn=0; $jn<=$#fwidth;$jn++) { + my $rowspan = $Apache::londefdef::table[-1]{'rowspan'}[$in][$jn]; + if (($rowspan <= 1) || ($rowspan eq '_')) { + my $column = $jn+1; + $output .= '\cline{'.$column.'-'.$column.'} '; + } + } + + } else { + $output.=' \\\\ '.$Apache::londefdef::table[-1]{'hinc'}.' '; + } } # Note that \newline destroys alignment env's produced by e.g.
# $Apache::londefdef::table[-1]{'output'} .= $header_of_table.$Apache::londefdef::table[-1]{'hinc'}.$output.'\end{tabular}\strut\newline\strut '; $Apache::londefdef::table[-1]{'output'} .= $header_of_table.$Apache::londefdef::table[-1]{'hinc'}.$output.'\end{tabular}\strut'.'\\\\'."\n".'\strut '; if ($#Apache::londefdef::table > 0) { my $inmemory = $Apache::londefdef::table[-1]{'output'}; - &Apache::lonnet::logthis("--- popping nested table --"); # Figure out max/and min width by summing us and then # apply that to the current column of the table we nest in # if it's larger than the current width or the current width @@ -2222,20 +2268,17 @@ sub end_table { my $min_nested_width = 0; my $max_nested_width = 0; for (my $col = 0; $col <= $Apache::londefdef::table[-1]{'counter_columns'}; $col++) { - $min_nested_width += $min_len[$col]; $max_nested_width += $max_len[$col]; + } # Fudge in an extra 5 mm for borders etc: $min_nested_width += 5; $max_nested_width += 5; - &Apache::lonnet::logthis("Nested min: $min_nested_width"); - &Apache::lonnet::logthis("Nested max: $max_nested_width"); my $outer_column = $Apache::londefdef::table[-2]{'counter_columns'}; my $outer_row = $Apache::londefdef::table[-2]{'row_number'}; - &Apache::lonnet::logthis("Outer row/column: $outer_row : $outer_column"); if ($min_nested_width > $Apache::londefdef::table[-2]{'minlen'}[$outer_row][$outer_column]) { $Apache::londefdef::table[-2]{'minlen'}[$outer_row][$outer_column] = $min_nested_width; } @@ -2250,9 +2293,6 @@ sub end_table { pop @Apache::londefdef::table; undef @Apache::londefdef::table; } - &debug_dump_table; - &Apache::lonnet::logthis("---------end table------"); - } return $currentstring; } @@ -2264,7 +2304,6 @@ sub start_tr { if ($target eq 'web') { $currentstring = $token->[4]; } elsif ($target eq 'tex') { - &Apache::lonnet::logthis("--------------start-tr----------"); $Apache::londefdef::table[-1]{'row_number'}++; my $alignchar=&Apache::lonxml::get_param('align',$parstack,$safeeval,undef,1); if ($alignchar ne '') { @@ -2273,14 +2312,16 @@ sub start_tr { push @ {$Apache::londefdef::table[-1]{'rows'} }, 'l'; } push ( @{ $Apache::londefdef::table[-1]{'rowdata'} }, $Apache::londefdef::table[-1]{'hinc'}); + # + # Need to save the number of table columns to preserve the max # columns. + # + $Apache::londefdef::table[-1]{'prior_columns'} = $Apache::londefdef::table[-1]{'counter_columns'}; $Apache::londefdef::table[-1]{'counter_columns'} = -1; push @ {$Apache::londefdef::table[-1]{'TeXlen'}}, []; push @ {$Apache::londefdef::table[-1]{'objectlen'}}, []; push @ {$Apache::londefdef::table[-1]{'minlen'}}, []; push @ {$Apache::londefdef::table[-1]{'maxlen'}}, []; push @ {$Apache::londefdef::table[-1]{'content'}}, []; - &debug_dump_table; - &Apache::lonnet::logthis("------------start-tr-----------"); } return $currentstring; } @@ -2291,12 +2332,16 @@ sub end_tr { if ($target eq 'web') { $currentstring .= $token->[2]; } elsif ($target eq 'tex') { - &Apache::lonnet::logthis("-------end-tr-----"); if ($Apache::londefdef::TD_redirection) { &end_td_tex($parstack,$parser,$safeeval); } - &debug_dump_table; - &Apache::lonnet::logthis("------end-tr------"); + # Counter columns must be the maximum number of columns seen + # in the table so far so: + if ($Apache::londefdef::table[-1]{'prior_columns'} > $Apache::londefdef::table[-1]{'counter_columns'}) { + $Apache::londefdef::table[-1]{'counter_columns'} = $Apache::londefdef::table[-1]{'prior_columns'}; + } + + } return $currentstring; @@ -2309,11 +2354,8 @@ sub start_td { if ($target eq 'web') { $currentstring = $token->[4]; } elsif ($target eq 'tex') { - &Apache::lonnet::logthis("------start-td----"); $Apache::londefdef::TD_redirection = 1; &tag_check('tr','td',$tagstack,$parstack,$parser,$safeeval); - &debug_dump_table; - &Apache::lonnet::logthis("-----start-td-----"); } return $currentstring; } @@ -2355,8 +2397,42 @@ sub start_td_tex { sub end_td_tex { my ($parstack,$parser,$safeeval) = @_; - my $current_row = $Apache::londefdef::table[-1]{'row_number'}; - my $data=&Apache::lonxml::endredirection(); + my $current_row = $Apache::londefdef::table[-1]{'row_number'}; + my $current_column = $Apache::londefdef::table[-1]{'counter_columns'}; + my $data = &Apache::lonxml::endredirection(); + + # The rowspan array of the table indicates which cells are part of a span. + # n indicates the start of a span set of n rows. + # ^ indicates a cell that continues a span set. + # _ indicates the cell is at the bottom of a span set. + # If this and subsequent cells are part of a rowspan, we must + # push along the row until we find one that is not. + + while ((defined $Apache::londefdef::table[-1]{'rowspan'}[$current_row] [$current_column]) + && ($Apache::londefdef::table[-1]{'rowspan'}[$current_row][$current_column] =~ /[\^\_]/)) { + # Part of a span. + push @ {$Apache::londefdef::table[-1]{'content'}[-1]}, ''; + $current_column++; + } + $Apache::londefdef::table[-1]{'counter_columns'} = $current_column; + + + + my $rowspan = &Apache::lonxml::get_param('rowspan', $parstack, $safeeval, undef, 0); + if (!$rowspan) { + $rowspan = 1; + } + + + + $Apache::londefdef::table[-1]{'rowspan'}[$current_row][$current_column] = $rowspan; + for (my $i = 1; $i < $rowspan; $i++) { + $Apache::londefdef::table[-1]{'rowspan'}[$current_row+$i][$current_column] = '^'; + if ($i == ($rowspan-1)) { + $Apache::londefdef::table[-1]{'rowspan'}[$current_row+$i][$current_column] = '_'; + } + } + my $TeXwidth=&Apache::lonxml::get_param('TeXwidth',$parstack,$safeeval,undef,0); if (defined $TeXwidth) { push @ {$Apache::londefdef::table[-1]{'objectlen'}[$Apache::londefdef::table[-1]{'row_number'}] },'0'; @@ -2433,11 +2509,47 @@ sub end_td_tex { push @ {$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] \&/; - } + # Substitute all of the tables nested in this cell in their appropriate places. + + + my $nested_count = $#{$Apache::londefdef::table[-1]{'include'}}; # This one is constant... + for (my $in=0; $in<=$nested_count; $in++) { + my $nested = shift @{$Apache::londefdef::table[-1]{'include'}}; + $nested =~ s/\\end\{tabular\}\\strut\\\\/\\end\{tabular\}/; + # $data=~s/\\keephidden\{NEW TABLE ENTRY\}/$Apache::londefdef::table[-1]{'include'}[$in]/; + $data =~ s/\\keephidden\{NEW TABLE ENTRY\}/$nested/; + + } + # Should be be killing off the 'include' elements as they're used up? + push @ {$Apache::londefdef::table[-1]{'content'}[-1] },$data; - return''; + + # Get the column and row spans. + # Colspan can be done via \multicolumn if I can figure out the data structs. + + my $colspan = &Apache::lonxml::get_param('colspan', $parstack, $safeeval, undef, 0); + if (!$colspan) { + $colspan = 1; + } + + + # the colspan array will indicate how many columns will be spanned by this + # cell..this requires that counter_columns also be adjusted accordingly + # so that the next bunch of text goes in the right cell. Note that since + # counter_columns is incremented in the start_td_tex, we adjust by colspan-1. + # + + $Apache::londefdef::table[-1]{'colspan'}[$current_row][$current_column] = $colspan; + $Apache::londefdef::table[-1]{'counter_columns'} += $colspan -1; + + # Put empty text in spanned cols. + + for (my $i = 0; $i < ($colspan -1); $i++) { + push @ {$Apache::londefdef::table[-1]{'content'}[-1] },''; + } + + + return ''; } sub end_td { @@ -2446,11 +2558,8 @@ sub end_td { if ($target eq 'web') { $currentstring = $token->[2]; } elsif ($target eq 'tex') { - &Apache::lonnet::logthis("--------end_td-----"); $Apache::londefdef::TD_redirection =0; &end_td_tex($parstack,$parser,$safeeval); - &debug_dump_table; - &Apache::lonnet::logthis("--------end-td----"); } return $currentstring; } @@ -2596,11 +2705,11 @@ sub end_th { # (Note there seems to also be support for this as a % of page size) # sub start_img { - my ($target,$token,$tagstack,$parstack,$parser,$safeeval) = @_; + my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style) = @_; 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); + my $inside = &Apache::lonxml::get_all_text("/img",$parser,$style); return ''; } &Apache::lonxml::extlink($src);