--- loncom/xml/londefdef.pm 2006/01/03 23:41:52 1.307 +++ loncom/xml/londefdef.pm 2006/03/23 23:47:12 1.324 @@ -1,7 +1,7 @@ # The LearningOnline Network with CAPA # Tags Default Definition Module # -# $Id: londefdef.pm,v 1.307 2006/01/03 23:41:52 foxr Exp $ +# $Id: londefdef.pm,v 1.324 2006/03/23 23:47:12 albertel Exp $ # # # Copyright Michigan State University Board of Trustees @@ -105,11 +105,21 @@ sub start_m { $inside=&Apache::run::evaluate($inside,$safeeval,$$parstack[-1]); #&Apache::lonxml::debug("M is evaulated to:$inside:"); } + my $tex = $inside; my $display=&Apache::lonxml::get_param('display',$parstack,$safeeval); $currentstring = &Apache::lontexconvert::converted(\$inside,$display); if ($Apache::lontexconvert::errorstring) { - &Apache::lonxml::warning("tth error: ". - $Apache::lontexconvert::errorstring); + my $errormsg='
'.&HTML::Entities::encode($Apache::lontexconvert::errorstring,'<>&"').'
occured while attempting to convert this TeX: 
';
+	    $tex = &HTML::Entities::encode($tex,'<>&"');
+	    my ($linenumber) =
+		($Apache::lontexconvert::errorstring =~ /Line (\d+)/);
+	    if (defined($linenumber)) {
+		my @tex=split("\n",$tex);
+		$tex[$linenumber]=''.
+		    $tex[$linenumber].'';
+		$tex=join("\n",@tex);
+	    }
+	    &Apache::lonxml::warning($errormsg.$tex.'
'); $Apache::lontexconvert::errorstring=''; } #&Apache::lonxml::debug("M is ends with:$currentstring:"); @@ -201,7 +211,7 @@ sub start_html { sub end_html { my ($target,$token,$tagstack,$parstack,$parser,$safeeval) = @_; my $currentstring = ''; - if ($target eq 'web') { + if ($target eq 'web' || $target eq 'webgrade') { $currentstring = ''; } return $currentstring; @@ -211,7 +221,7 @@ sub end_html { sub start_head { my ($target,$token) = @_; my $currentstring = ''; - if ($target eq 'web') { + if ($target eq 'web' || $target eq 'webgrade') { $currentstring = $token->[4].&Apache::lonxml::fontsettings(); } return $currentstring; @@ -220,7 +230,8 @@ sub start_head { sub end_head { my ($target,$token) = @_; my $currentstring = ''; - if ($target eq 'web' && $env{'request.state'} eq 'published') { + if (($target eq 'web' && $env{'request.state'} eq 'published') || + ($target eq 'webgrade' && $env{'request.state'} eq 'published')) { $currentstring = &Apache::lonmenu::registerurl(undef,$target). $token->[2]; } @@ -356,7 +367,7 @@ sub end_form { sub start_title { my ($target,$token) = @_; my $currentstring = ''; - if ($target eq 'web') { + if ($target eq 'web' || $target eq 'webgrade') { $currentstring = $token->[4]; } elsif ($target eq 'tex') { $currentstring .= '\keephidden{Title of the document: ' @@ -371,7 +382,7 @@ sub start_title { sub end_title { my ($target,$token) = @_; my $currentstring = ''; - if ($target eq 'web') { + if ($target eq 'web' || $target eq 'webgrade') { $currentstring = $token->[2]; } elsif ($target eq 'tex') { $currentstring .= '}'; @@ -502,7 +513,7 @@ sub start_body { my ($target,$token,$tagstack,$parstack,$parser,$safeeval) = @_; my $currentstring = ''; - if ($target eq 'web') { + if ($target eq 'web' || $target eq 'webgrade') { if ($Apache::lonhomework::parsing_a_problem) { &Apache::lonxml::warning(" tag found inside of tag this can cause problems."); return ''; @@ -586,7 +597,7 @@ EDITBUTTON sub end_body { my ($target,$token,$tagstack,$parstack,$parser,$safeeval) = @_; my $currentstring = &end_p(); # Close off unclosed

- if ($target eq 'web') { + if ($target eq 'web' || $target eq 'webgrade') { $currentstring .= &Apache::lonxml::xmlend($target,$parser); } elsif ($target eq 'tex') { $currentstring .= '\strut\newline\noindent\makebox[\textwidth/$number_of_columns][b]{\hrulefill}\newline\noindent \end{document}'; @@ -594,20 +605,26 @@ sub end_body { return $currentstring; } +# \begin{center} causes a new paragprah spacing that looks odd inside +# of a table cell +sub center_correction { return '\vspace*{-6 mm}'; } #--

tag (end tag required) sub start_center { - my ($target,$token) = @_; + my ($target,$token,$tagstack) = @_; my $currentstring = &end_p(); # Close off any prior para. if ($target eq 'web') { $currentstring .= $token->[4]; } elsif ($target eq 'tex') { + if (&is_inside_of($tagstack, "table")) { + $currentstring .= ¢er_correction(); + } $currentstring .= '\begin{center}'; } return $currentstring; } sub end_center { - my ($target,$token) = @_; + my ($target,$token,$tagstack) = @_; my $currentstring = ''; if ($target eq 'web') { $currentstring = $token->[2]; @@ -1178,20 +1195,30 @@ sub start_p { $closing_string = '

'; # Deal correctly with

e.g. } } elsif ($target eq 'tex' && !$para_disabled) { + $currentstring .= &end_p(); # close off prior para if in progress. my $align=&Apache::lonxml::get_param('align',$parstack,$safeeval,undef,1); if ($align eq 'center') { $currentstring .='\begin{center}\par'; $closing_string = '\end{center}'; + if (&is_inside_of($tagstack, "table")) { + $currentstring = ¢er_correction().$currentstring; + } } elsif ($align eq 'right') { - $currentstring.='\makebox['.$env{'form.textwidth'}.']{\hfill\llap{'; - $closing_string= '}}'; + $currentstring.="\n".'{\flushright '; +# $currentstring.='\makebox['.$env{'form.textwidth'}.']{\hfill\llap{'; + $closing_string= "}\n"; } elsif ($align eq 'left') { - $currentstring.='\noindent\makebox['.$env{'form.textwidth'}.']{\rlap{'; - $closing_string = '}\hfill}'; + $currentstring.= "\n".'{\flushleft '; +# $currentstring.='\noindent\makebox['.$env{'form.textwidth'}.']{{'; + $closing_string = "}\n"; } else { $currentstring.='\par '; - $closing_string = '\strut\\\\\strut '; + if (&is_inside_of($tagstack, 'table')) { + $closing_string = '\vskip 0pt'; # Seems to be consistent with

in tables. + } else { + $closing_string = '\strut\\\\\strut '; + } } } @@ -1524,6 +1551,9 @@ sub start_div { if ($align eq 'center') { $currentstring .= '\begin{center}'; $endstring = '\end{center}'; + if (&is_inside_of($tagstack, "table")) { + $currentstring = ¢er_correction().$currentstring; + } } elsif ($align eq 'right') { $currentstring .= '\begin{flushright}'; @@ -1944,11 +1974,16 @@ sub start_table { # width either comes forced from the TeXwidth or the width parameters. # in either case it can be a percentage or absolute width. - + # in the width case we ignore absolute width my $TeXwidth = &Apache::lonxml::get_param('TeXwidth',$parstack,$safeeval,undef,0); - if (not defined $TeXwidth) { - $TeXwidth = &Apache::lonxml::get_param('width',$parstack,$safeeval,undef,1); - + if (!defined($TeXwidth)) { + my $htmlwidth = &Apache::lonxml::get_param('width',$parstack, + $safeeval,undef,1); + if ($htmlwidth =~ /%/) { + $TeXwidth = $htmlwidth; + } else { + $TeXwidth = $textwidth; + } } else { $Apache::londefdef::table[-1]{'forcedtablewidth'} = 1; } @@ -1958,7 +1993,12 @@ sub start_table { $Apache::londefdef::table[-1]{'width'}=$1*$textwidth/100; } else { $Apache::londefdef::table[-1]{'width'}=$TeXwidth; - } + } + # In the end, however the table width cannot be wider than $textwidth... + + if ($Apache::londefdef::table[-1]{'width'} > $textwidth) { + $Apache::londefdef::table[-1]{'width'} = $textwidth; + } #table's border my $border = &Apache::lonxml::get_param('border',$parstack,$safeeval); @@ -2002,7 +2042,6 @@ sub end_table { my $inmemory = ''; my $output = ''; my $WARNING=''; - # &debug_dump_table($Apache::londefdef::table[-1]); #width of columns from TeXwidth attributes for (my $in=0;$in<=$Apache::londefdef::table[-1]{'row_number'};$in++) { @@ -2189,18 +2228,26 @@ sub end_table { for (my $in=0;$in<=$Apache::londefdef::table[-1]{'row_number'};$in++) { my $have_rowspan = 0; for (my $jn=0;$jn<=$#fwidth;$jn++) { + + #----------------------------------------------------------- + # I think this order of doing things will ensure that + # single rowspan, columspan and combined row/colspans will + # work correctly. LaTeX is delicate here. + # RF. + + # Start a rowspan if necessary: + + my $rowspan = $Apache::londefdef::table[-1]{'rowspan'}[$in][$jn]; + my $colspan = $Apache::londefdef::table[-1]{'colspan'}[$in][$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) { $have_rowspan++; @@ -2209,16 +2256,15 @@ sub end_table { if (($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}'; + $output.=¢er_correction().'\begin{center}'; } elsif ($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}\vspace*{-6 mm}'; $output.='\end{center}'; } elsif ($Apache::londefdef::table[-1]{'align'}[$in][$jn] eq 'r') { $output.='} '; @@ -2245,9 +2291,11 @@ sub end_table { $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.'-'.$column.'} '; + if ($rowspan ne "^") { + if (($rowspan <= 1) || ($rowspan eq '_')) { + my $column = $jn+1; + $output .= '\cline{'.$column.'-'.$column.'} '; + } } } @@ -2417,6 +2465,13 @@ sub end_td_tex { $Apache::londefdef::table[-1]{'counter_columns'} = $current_column; + # 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; + } my $rowspan = &Apache::lonxml::get_param('rowspan', $parstack, $safeeval, undef, 0); if (!$rowspan) { @@ -2425,11 +2480,13 @@ sub end_td_tex { - $Apache::londefdef::table[-1]{'rowspan'}[$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] = '_'; + for (my $c = 0; $c < $colspan; $c++) { + $Apache::londefdef::table[-1]{'rowspan'}[$current_row][$current_column+$c] = $rowspan; + for (my $i = 1; $i < $rowspan; $i++) { + $Apache::londefdef::table[-1]{'rowspan'}[$current_row+$i][$current_column+$c] = '^'; + if ($i == ($rowspan-1)) { + $Apache::londefdef::table[-1]{'rowspan'}[$current_row+$i][$current_column+$c] = '_'; + } } } @@ -2524,13 +2581,7 @@ sub end_td_tex { push @ {$Apache::londefdef::table[-1]{'content'}[-1] },$data; - # 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 @@ -2539,14 +2590,16 @@ sub end_td_tex { # 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] },''; } + for (my $r = 0; $r < $rowspan; $r++) { + $Apache::londefdef::table[-1]{'colspan'}[$current_row+$r][$current_column] = $colspan; + # Put empty text in spanned cols. + + } + return ''; @@ -2720,13 +2773,17 @@ sub start_img { if ($target eq 'web') { if ($env{'browser.imagesuppress'} ne 'on') { - $currentstring.=&Apache::lonenc::encrypt_ref($token,{'src'=>$src}); - } else { - my $alttag= &Apache::lonxml::get_param - ('alt',$parstack,$safeeval,undef,1); - unless ($alttag) { - $alttag=&Apache::lonmeta::alttag - ($Apache::lonxml::pwd[-1],$src); + my $enc = ('yes' eq + lc(&Apache::lonxml::get_param('encrypturl',$parstack, + $safeeval))); + $currentstring.=&Apache::lonenc::encrypt_ref($token,{'src'=>$src}, + $enc); + } else { + my $alttag = &Apache::lonxml::get_param('alt',$parstack,$safeeval, + undef,1); + if (!$alttag) { + $alttag = &Apache::lonmeta::alttag($Apache::lonxml::pwd[-1], + $src); } $currentstring.='[IMAGE: '.$alttag.']'; } @@ -2745,11 +2802,7 @@ sub start_img { $safeeval, undef,1)); if(!$align) { - if (&is_inside_of($tagstack, "table")) { - $align = "right"; # Force wraptext use. - } else { $align = "bottom"; # This is html's default so it's ours too. - } } # &Apache::lonxml::debug("Alignemnt = $align"); @@ -2764,11 +2817,18 @@ sub start_img { $parstack, $safeeval, undef,0); - &Apache::lonxml::debug("LaTeX rendering = $latex_rendering"); + # &Apache::lonxml::debug("LaTeX rendering = $latex_rendering"); if(!$latex_rendering) { - $latex_rendering = "texwrap"; + $latex_rendering = "texwrap"; + } + # using texwrap inside a table does not work. So, if after all of this, + # texwrap is on, we turn it off if we detect we're in a table: + # + if (($latex_rendering eq 'texwrap') && &is_inside_of($tagstack, "table")) { + $latex_rendering = 'parpic'; } - &Apache::lonxml::debug("LaTeX rendering = $latex_rendering image file: $src"); + + # &Apache::lonxml::debug("LaTeX rendering = $latex_rendering image file: $src"); #if original gif/jpg/png file exist do following: my $origsrc=$src; @@ -2850,6 +2910,8 @@ sub start_img { ['','bottom','middle','top','left','right'],$token,5); $currentstring .=&Apache::edit::select_arg('TeXwrap:', 'TeXwrap', ['', 'parbox', 'parpic'], $token, 2); + $currentstring .=&Apache::edit::select_arg('Encyrpt URL:','encrypturl', + ['no','yes'], $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); @@ -2867,7 +2929,7 @@ sub start_img { my $ctag=&Apache::edit::get_new_args($token,$parstack, $safeeval,'src','alt','align', 'TeXwidth','TeXheight', 'TeXwrap', - 'width','height'); + 'width','height','encrypturl'); my ($nsrc,$nwidth,$nheight)= ($token->[2]{'src'},$token->[2]{'width'},$token->[2]{'height'}); my $loc=&Apache::lonnet::filelocation($Apache::lonxml::pwd[-1],$nsrc); @@ -3142,6 +3204,7 @@ sub start_pre { $currentstring .= $token->[4]; } elsif ($target eq 'tex') { $currentstring .= '\begin{verbatim}'; + &Apache::lonxml::disable_LaTeX_substitutions(); } return $currentstring; } @@ -3153,6 +3216,7 @@ sub end_pre { $currentstring .= $token->[2]; } elsif ($target eq 'tex') { $currentstring .= '\end{verbatim}'; + &Apache::lonxml::enable_LaTeX_substitutions(); } return $currentstring; } @@ -3639,7 +3703,7 @@ sub end_legend { sub start_link { my ($target,$token,$tagstack,$parstack,$parser,$safeeval) = @_; my $currentstring = ''; - if ($target eq 'web') { + if ($target eq 'web' || $target eq 'webgrade') { my $href=&Apache::lonxml::get_param('href',$parstack,$safeeval, undef,1); &Apache::lonxml::extlink($href);