--- loncom/xml/londefdef.pm 2007/07/13 18:35:20 1.373 +++ loncom/xml/londefdef.pm 2009/05/02 22:16:58 1.403 @@ -1,7 +1,7 @@ # The LearningOnline Network with CAPA # Tags Default Definition Module # -# $Id: londefdef.pm,v 1.373 2007/07/13 18:35:20 albertel Exp $ +# $Id: londefdef.pm,v 1.403 2009/05/02 22:16:58 foxr Exp $ # # # Copyright Michigan State University Board of Trustees @@ -42,10 +42,12 @@ package Apache::londefdef; use Apache::lonnet; use strict; use Apache::lonxml; +use Apache::lontable; use Apache::File(); use Image::Magick; use Apache::lonmenu(); use Apache::lonmeta(); +use Apache::lonlocal; use Apache::Constants qw(:common); use File::Basename; use LONCAPA(); @@ -57,20 +59,7 @@ BEGIN { } -# -# Dumps all elements of the table structure. -# 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 initialize_londefdef { $Apache::londefdef::TD_redirection=0; @Apache::londefdef::table = (); @@ -106,13 +95,13 @@ sub start_m { my $eval=&Apache::lonxml::get_param('eval',$parstack,$safeeval); if ($eval eq 'on') { $inside=&Apache::run::evaluate($inside,$safeeval,$$parstack[-1]); - #&Apache::lonxml::debug("M is evaulated to:$inside:"); + #&Apache::lonxml::debug("M is evaluated to:$inside:"); } my $tex = $inside; my $display=&Apache::lonxml::get_param('display',$parstack,$safeeval); $currentstring = &Apache::lontexconvert::converted(\$inside,$display); if ($Apache::lontexconvert::errorstring) { - my $errormsg='
'.&HTML::Entities::encode($Apache::lontexconvert::errorstring,'<>&"').'occured while attempting to convert this TeX:
'; + my $errormsg=''.&HTML::Entities::encode($Apache::lontexconvert::errorstring,'<>&"').'occurred while attempting to convert this TeX:'; $tex = &HTML::Entities::encode($tex,'<>&"'); my ($linenumber) = ($Apache::lontexconvert::errorstring =~ /Line (\d+)/); @@ -138,7 +127,7 @@ sub start_m { # detect simple math mode entry exits, and convert them # to use \ensuremath ... unless there's a \verb inside. if (! ($currentstring=~/\\verb/)) { - if ($currentstring=~/^\s*\$[^\$].*[^\$]\$\s*$/) { + if ($currentstring=~/^\s*\$[^\$].*\$\s*$/) { $currentstring=~s/^(\s*)\$/$1/; $currentstring=~s/\$(\s*)$/$1/; $currentstring='\ensuremath{'.$currentstring.'}'; @@ -187,28 +176,8 @@ sub start_html { if ($target eq 'web' || $target eq 'edit' || $target eq 'webgrade' ) { # start_body() takes care of emitting the } elsif ($target eq 'tex') { - $currentstring .= - '\documentclass[letterpaper,twoside]{article}\raggedbottom'; - if (($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}'. - '\usepackage[dvips]{graphicx}'. - '\usepackage{wrapfig}'. - '\usepackage{picins}'. - '\usepackage{epsfig}'. - '\usepackage{calc}'. - '\usepackage{amsmath}'. - '\usepackage{amssymb}'. - '\usepackage{amsfonts}'. - '\usepackage{amsthm}'. - '\usepackage{amscd}'. - '\newenvironment{choicelist}{\begin{list}{}{\setlength{\rightmargin}{0in}\setlength{\leftmargin}{0.13in}\setlength{\topsep}{0.05in}\setlength{\itemsep}{0.022in}\setlength{\parsep}{0in}\setlength{\belowdisplayskip}{0.04in}\setlength{\abovedisplayskip}{0.05in}\setlength{\abovedisplayshortskip}{-0.04in}\setlength{\belowdisplayshortskip}{0.04in}}}{\end{list}}'. - '\renewenvironment{theindex}{\begin{list}{}{{\vskip 1mm \noindent \large\textbf{Index}} \newline \setlength{\rightmargin}{0in}\setlength{\leftmargin}{0.13in}\setlength{\topsep}{0.01in}\setlength{\itemsep}{0.1in}\setlength{\parsep}{-0.02in}\setlength{\belowdisplayskip}{0.01in}\setlength{\abovedisplayskip}{0.01in}\setlength{\abovedisplayshortskip}{-0.04in}\setlength{\belowdisplayshortskip}{0.01in}}}{\end{list}}'; + + $currentstring .= &latex_header(); } return $currentstring; } @@ -448,6 +417,16 @@ sub start_meta { if ((not defined $content) && (not defined $name)) { &Apache::lonxml::startredirection(); } + } elsif ($target eq 'edit') { + $currentstring .= &Apache::edit::tag_start($target,$token); + $currentstring .= &Apache::edit::text_arg('Name:','name',$token,30); + $currentstring .= &Apache::edit::text_arg('Content:','content',$token,70); + $currentstring .= &Apache::edit::end_row(); + } elsif ($target eq 'modified') { + my $constructtag = + &Apache::edit::get_new_args($token,$parstack,$safeeval, + 'name','content'); + if ($constructtag) { $currentstring = &Apache::edit::rebuild_tag($token); } } return $currentstring; } @@ -471,6 +450,11 @@ sub end_meta { return $currentstring; } +sub insert_meta { + return ' + '; +} + # accessrule sub start_accessrule { my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style) = @_; @@ -564,20 +548,34 @@ sub start_body { if ($env{'request.state'} ne 'published') { $currentstring.=&Apache::lonmenu::constspaceform(); - $currentstring.=(<- - -
-EDITBUTTON + $currentstring.=&Apache::londefdef::edit_controls(); } $currentstring.=&Apache::lonxml::message_location(); } elsif ($target eq 'tex') { - $currentstring = '\begin{document}'; + $currentstring = ''; # '\begin{document}' is in header. } return $currentstring; } +sub edit_controls { + my ($nochgview) = @_; + my $result .= ' + +
'; + return $result; +} + sub end_body { my ($target,$token,$tagstack,$parstack,$parser,$safeeval) = @_; my $currentstring = &end_p(); # Close off unclosed@@ -1253,9 +1251,7 @@ sub start_br { $signal = 1; } } - if ($signal eq 1) { - $currentstring .= ' \vskip 0 mm '; - } else { + if ($signal != 1) { $currentstring .= '\strut \\\\ \strut '; } @@ -1567,6 +1563,9 @@ sub start_div { } if ($target eq 'tex') { # 4 possible alignments: left, right, center, and -missing-. + # If inside a table row, we must let the table logic + # do the alignment, however. + # my $endstring = ''; @@ -1577,6 +1576,7 @@ sub start_div { $endstring = '\end{center}'; if (&is_inside_of($tagstack, "table")) { $currentstring = ¢er_correction().$currentstring; + $endstring .= ¢er_end_correction(); } } elsif ($align eq 'right') { @@ -1617,6 +1617,26 @@ sub start_a { my $href=&Apache::lonxml::get_param('href',$parstack,$safeeval, undef,1); $currentstring=&Apache::lonenc::encrypt_ref($token,{'href'=>$href}); + if ($href =~ /\S/) { + if ($href !~ m{^https?://}) { + my $url=&Apache::lonnet::hreflocation('',$env{'request.filename'}); + my $linkurl; + if ($href =~ m{^/uploaded/}) { + $linkurl = $href; + } elsif ($href =~ m{^[^/]}) { + my $path = $url; + $path =~ s{[^/]*$}{}; + $linkurl = $path.$href; + } + if ($linkurl =~ m{^/uploaded/}) { + if (!&Apache::lonnet::allowed('bre',$linkurl)) { + if (&Apache::lonnet::is_on_map($url)) { + &Apache::lonxml::extlink($linkurl); + } + } + } + } + } } return $currentstring; } @@ -1632,14 +1652,18 @@ sub end_a { &Apache::lonxml::get_param('href',$parstack,$safeeval,undef,1); my $name = &Apache::lonxml::get_param('name',$parstack,$safeeval,undef,1); - if ($href =~ /\S/) { + my $uriprint = + &Apache::lonxml::get_param('uriprint',$parstack,$safeeval,undef,1); + my $anchorprint = + &Apache::lonxml::get_param('anchorprint',$parstack,$safeeval,undef,1); + if (($href =~ /\S/) && ($uriprint=~/^on|uriprint|yes|1$/i)) { $href =~ s/([^\\])%/$1\\\%/g; # Substitute special symbols... and allow line breaks at each / # $href = &Apache::lonxml::latex_special_symbols($href); $href =~ s/\//\/\\-/g; # Map / to /\- to allow hyphenation. $currentstring .= ' ({\tt URI:'.$href.'})'; - } elsif ($name =~ /\S/) { + } elsif (($name =~ /\S/) && ($anchorprint=~/^on|anchorprint|yes|1$/i)) { $currentstring .= ' ({\tt Anchor:'.&Apache::lonxml::latex_special_symbols($name).'})'; } else { $currentstring.=''; @@ -1974,7 +1998,8 @@ sub end_dd { # only way I could think of to allow
in #
bodies # -#list of supported attributes: border,width,TeXwidth +#list of supported attributes: border,width,TeXwidth,TeXtheme +# align sub start_table { my ($target,$token,$tagstack,$parstack,$parser,$safeeval) = @_; my $textwidth = ''; @@ -1982,6 +2007,60 @@ sub start_table { if ($target eq 'web' || $target eq 'webgrade') { $currentstring .= $token->[4]; } elsif ($target eq 'tex') { + &disable_para(); # Can't have paras in a table. + + + # New table code: + + # Get the parameters that we can do something about: + + my $border = &Apache::lonxml::get_param('border', $parstack, $safeeval, undef, 0); + my $width = &Apache::lonxml::get_param('TeXwidth', $parstack, $safeeval, undef, 0); + my $theme = &Apache::lonxml::get_param('TeXtheme', $parstack, $safeeval, undef, 0); + my $align = &Apache::lonxml::get_param('align', $parstack, $safeeval, undef, 0); + + # The only thing that needs any figuring out is the width.. and then only if it is + # a percent. If not it's assumed to be some valid TeX measurement unit e.g. 3.0cm + # + + my $table = new Apache::lontable(); + if ($border ne '') { + $table->table_border(1); + $table->cell_border(1); + } + if ($theme ne '') { + $table->theme($theme); + } + if ($align ne '') { + $table->alignment($align); + } + + # Missing width is most of page width + + if ($width eq "") { + $width = '70%'; + } + + # If a percentage, need to calculate what this means in terms of + # page width: + + if ($width =~ /%$/) { + my $textwidth = &recalc($env{'form.textwidth'}); # Page width in mm. + $width =~ s/%//; + $width = $width * $textwidth / 100.0; + $width .= " mm"; + $table->width($width); + } + + push(@Apache::londefdef::table, $table); + $currentstring.=' \keephidden{NEW TABLE ENTRY}'; + + #-------------------------------------------------------- + # Old table code here. + #-------------------------------------------------------- + + + if (0) { push(@Apache::londefdef::table, {}); $Apache::londefdef::table[-1]{'row_number'} = -1; #maximum table's width (default coincides with text line length) @@ -2056,7 +2135,7 @@ sub start_table { $Apache::londefdef::table[-1]{'content'}=[]; $Apache::londefdef::table[-1]{'align'}=[]; $currentstring.=' \keephidden{NEW TABLE ENTRY}'; - + } } return $currentstring; @@ -2068,12 +2147,30 @@ sub end_table { if ($target eq 'web' || $target eq 'webgrade') { $currentstring = $token->[2]; } elsif ($target eq 'tex') { + + + # New table code: + + my $table = pop(@Apache::londefdef::table); + my $t = $table->generate(); + $currentstring = $t->generate_string(); + &enable_para(); + #-------------------------------------------------------------- + # Old table code: + #-------------------------------------------------------------- + + if (0) { + my $border = &Apache::lonxml::get_param('border',$parstack,$safeeval); my $inmemory = ''; my $output = ''; my $WARNING=''; #width of columns from TeXwidth attributes + # Protect against unbalanced tag. + + if (scalar(@Apache::londefdef::table) > 0) { + for (my $in=0;$in<=$Apache::londefdef::table[-1]{'row_number'};$in++) { for (my $jn=0;$jn<=$Apache::londefdef::table[-1]{'counter_columns'};$jn++) { if ($Apache::londefdef::table[-1]{'TeXlen'}[0][$jn]<$Apache::londefdef::table[-1]{'TeXlen'}[$in][$jn]) { @@ -2476,6 +2573,9 @@ sub end_table { pop @Apache::londefdef::table; undef @Apache::londefdef::table; } + } + &enable_para(); + } } return $currentstring; } @@ -2487,6 +2587,19 @@ sub start_tr { if ($target eq 'web' || $target eq 'webgrade') { $currentstring = $token->[4]; } elsif ($target eq 'tex') { + + my $align = &Apache::lonxml::get_param('align', $parstack, $safeeval, undef, 1); + $Apache::londefdef::table[-1]->start_row(); + + if ($align ne '') { + $Apache::londefdef::table[-1]->configure_row({default_halign => $align}); + } + + #--------------------------------------------------------------- + # Old table code. + #--------------------------------------------------------------- + + if (0) { $Apache::londefdef::table[-1]{'row_number'}++; my $alignchar=&Apache::lonxml::get_param('align',$parstack,$safeeval,undef,1); if ($alignchar ne '') { @@ -2505,6 +2618,7 @@ sub start_tr { push @ {$Apache::londefdef::table[-1]{'minlen'}}, []; push @ {$Apache::londefdef::table[-1]{'maxlen'}}, []; push @ {$Apache::londefdef::table[-1]{'content'}}, []; + } } return $currentstring; } @@ -2515,6 +2629,19 @@ sub end_tr { if ($target eq 'web' || $target eq 'webgrade') { $currentstring .= $token->[2]; } elsif ($target eq 'tex') { + + # In case the user is missing a or tag: + + if ($Apache::londefdef::TD_redirection) { + &end_td_tex($parstack,$parser,$safeeval); + } + $Apache::londefdef::table[-1]->end_row(); + + #----------------------------------------------- + # Old table code + #----------------------------------------------- + + if (0) { if ($Apache::londefdef::TD_redirection) { &end_td_tex($parstack,$parser,$safeeval); } @@ -2523,7 +2650,7 @@ sub end_tr { if ($Apache::londefdef::table[-1]{'prior_columns'} > $Apache::londefdef::table[-1]{'counter_columns'}) { $Apache::londefdef::table[-1]{'counter_columns'} = $Apache::londefdef::table[-1]{'prior_columns'}; } - + } } @@ -2559,9 +2686,50 @@ sub tag_check { } return ''; } + +# +# Factor out cell configuration hash generation: +# + +sub cell_config_hash { + my ($align, $rowspan, $colspan) = @_; + my %config; + if ($align ne '') { + $config{'halign'} = $align; + } + if ($colspan ne "") { + $config{'colspan'} = $colspan; + } + if ($rowspan ne '') { + $config{'rowspan'} = $rowspan; + } + return \%config; +} sub start_td_tex { my ($parstack,$parser,$safeeval) = @_; + + # At this stage, an empty cell is created with the + # appropriate rowspan/colspan and alignment + # attributes, but empty of text. end_td_tex will + # fetch the contents from the recursive parse and + # fill the cell with them: + my $align = &Apache::lonxml::get_param('align', $parstack, $safeeval, undef, 1); + my $rowspan = &Apache::lonxml::get_param('rowspan', $parstack, $safeeval, undef, 1); + my $colspan = &Apache::lonxml::get_param('colspan', $parstack, $safeeval, undef, 1); + + my $config = &cell_config_hash($align, $rowspan, $colspan); + + my $table = $Apache::londefdef::table[-1]; + $table->add_cell('', $config); + + + #------------------------------------------------ + # Old table code. + #------------------------------------------------ + + if (0) { + my $alignchar = substr(&Apache::lonxml::get_param('align',$parstack,$safeeval,undef,1),0,1); if ($alignchar eq '') { $alignchar = $Apache::londefdef::table[-1]{'rows'}[-1]; @@ -2574,11 +2742,22 @@ sub start_td_tex { $current_length=~/(\d+\.?\d*)/; push @ {$Apache::londefdef::table[-1]{'TeXlen'}[$Apache::londefdef::table[-1]{'row_number'}] },$1; } + } &Apache::lonxml::startredirection(); return ''; } sub end_td_tex { + + my $text = &Apache::lonxml::endredirection(); + my $table = $Apache::londefdef::table[-1]; + $table->append_cell_text($text); + + #------------------------------------------------- + # Old table code + #------------------------------------------------- + + if (0) { my ($parstack,$parser,$safeeval) = @_; my $current_row = $Apache::londefdef::table[-1]{'row_number'}; my $current_column = $Apache::londefdef::table[-1]{'counter_columns'}; @@ -2743,7 +2922,7 @@ sub end_td_tex { } - + } return ''; } @@ -2792,6 +2971,24 @@ sub tagg_check { sub start_th_tex { my ($parstack,$parser,$safeeval) = @_; + + my $alignment = &Apache::lonxml::get_param('align', $parstack, $safeeval, undef,1); + my $rowspan = &Apache::lonxml::get_param('rowspan', $parstack, $safeeval, undef, 1); + my $colspan = &Apache::lonxml::get_param('colspan', $parstack, $safeeval, undef, 1); + + my $config = cell_config_hash($alignment, $rowspan, $colspan); + my $table = $Apache::londefdef::table[-1]; + $table->add_cell('\textbf{', $config); + + #------------------------------------------------------------------------------------- + # + # Old table code. + # + #-------------------------------------------------------------------------------------- + + if (0) { + + my $alignchar = substr(&Apache::lonxml::get_param('align',$parstack,$safeeval,undef,1),0,1); if ($alignchar eq '') { $alignchar = $Apache::londefdef::table[-1]{'rows'}[-1]; @@ -2804,12 +3001,26 @@ sub start_th_tex { $current_length=~/(\d+\.?\d*)/; push @ {$Apache::londefdef::table[-1]{'TeXlen'}[$Apache::londefdef::table[-1]{'row_number'}] },$1; } + } + + # Accept xml until the tag. + &Apache::lonxml::startredirection(); return ''; } sub end_th_tex { my ($parstack,$parser,$safeeval) = @_; + + my $table = $Apache::londefdef::table[-1]; + my $text = &Apache::lonxml::endredirection(); + $table->append_cell_text($text.'}'); + + #----------------------------------------------------------------------------- + # Old table code: + #----------------------------------------------------------------------------- + + if (0) { 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); @@ -2874,6 +3085,7 @@ sub end_th_tex { #make data bold $data='\textbf{'.$data.'}'; push @ {$Apache::londefdef::table[-1]{'content'}[-1] },$data; + } return''; } @@ -2975,7 +3187,7 @@ sub start_img { # &Apache::lonxml::debug("LaTeX rendering = $latex_rendering image file: $src"); - #if original gif/jpg/png file exist do following: + #if original bmp/gif/jpg/png file exist do following: my $origsrc=$src; my ($path,$file) = &get_eps_image($src); # &Apache::lonnet::logthis("Image source: $src result: $path $file"); @@ -3041,11 +3253,14 @@ sub start_img { my $width= &Apache::lonxml::get_param('width',$parstack,$safeeval); my $height= &Apache::lonxml::get_param('height',$parstack,$safeeval); - - $currentstring .= '[2]{'src'}=~/\$/) { + $currentstring.='Variable image source'; + } else { + $currentstring .= '[2]{'src'},$token->[2]{'width'},$token->[2]{'height'}); @@ -4250,27 +4465,9 @@ sub image_replication { } return ''; } -# -# Get correct sizing parameter for an image given -# it's initial ht. and wid. This allows sizing of -# images that are generated on-the-fly (e.g. gnuplot) -# as well as serving as a utility for image_size. -# -# Parameter: -# height_param -# width_param - Initial picture dimensions. -# scaling - A scale factor. -# parstack, - the current stack of tag attributes -# from the xml parser -# safeeval, - pointer to the safespace -# depth, - from what level in the stack to look for attributes -# (assumes -1 if unspecified) -# cis - look for attrubutes case insensitively -# (assumes false) -# -# Returns: -# height, width - new dimensions. -# + + + sub resize_image { my ($height_param, $width_param, $scaling, $parstack, $safeeval, $depth, $cis) = @_; @@ -4373,8 +4570,8 @@ sub get_eps_image { &Apache::lonnet::repcopy($orig_src); # Failure is not completely fatal. } &Apache::lonxml::debug("get_eps_image: Original image: $orig_src"); - my ($spath, $sname, $sext) = &fileparse($src, qr/\.(gif|png|jpg|jpeg)/i); - $src=~s/\.(gif|png|jpg|jpeg)$/\.eps/i; + my ($spath, $sname, $sext) = &fileparse($src, qr/\.(bmp|gif|png|jpg|jpeg)/i); + $src=~s/\.(bmp|gif|png|jpg|jpeg)$/\.eps/i; $src=&Apache::lonnet::filelocation($Apache::lonxml::pwd[-1],$src); &Apache::lonxml::debug("Filelocation gives: $src"); if (! -e $src) { @@ -4435,7 +4632,7 @@ sub eps_generation { my $temp_file = Apache::File->new('>>'.$filename); print $temp_file "$src\n"; my $newsrc = $src; - $newsrc =~ s/(\.gif|\.jpg|\.jpeg)$/\.eps/i; + $newsrc =~ s/(\.bmp|\.gif|\.jpg|\.jpeg)$/\.eps/i; $newsrc=~s{/home/httpd/html/res}{}; $newsrc=~s{/home/($LONCAPA::username_re)/public_html/}{/$1/}; $newsrc=~s{/\./}{/}; @@ -4460,11 +4657,8 @@ sub file_path { } return $file,$path; } -# Converts a measurement in to mm from any of -# the other valid LaTeX units of measure. -# If the units of measure are missing from the -# parameter, it is assumed to be in and returned -# with mm units of measure + + sub recalc { my $argument = shift; if (not $argument=~/(mm|cm|in|pc|pt)/) {return $argument.' mm';} @@ -4508,23 +4702,17 @@ sub LATEX_length { return $value; } -# Wrap image 'stuff' inside of the LaTeX required to implement -# alignment: -# align_tex_image(align, latex_rendering, image) -# Where: -# align - The HTML alignment specification. -# latex_rendering - rendering hint for latex. -# image - The LaTeX needed to insert the image itsef. -# width,height - dimensions of the image. -# Returns: -# The 1/2 wrapped image and the stuff required to close the -# wrappage. This allows e.g. randomlabel to insert more stuff -# into the closure. -# + sub align_latex_image { my ($align, $latex_rendering, $image, $width, $height) = @_; my $currentstring; # The 1/2 wrapped image. my $closure; # The closure of the wrappage. + + # if it's none just return it back + if ($latex_rendering eq 'none') { + return ($image,''); + } + # If there's an alignment specification we need to honor it here. # For the horizontal alignments, we will also honor the # value of the latex specfication. The default is parbox, @@ -4581,16 +4769,7 @@ sub align_latex_image { return ($currentstring, $closure); } -# is_inside_of $tagstack $tag -# This sub returns true if the current state of Xml processing -# is inside of the tag. -# Parameters: -# tagstack - The tagstack from the parser. -# tag - The tag (without the <>'s.). -# Sample usage: -# if (is_inside_of($tagstack "table")) { -# # I'm in a table.... -# } + sub is_inside_of { my ($tagstack, $tag) = @_; my @stack = @$tagstack; @@ -4603,5 +4782,169 @@ sub is_inside_of { } +# +# This sub provides the typical LaTeX prefix matter for tex output: +# +sub latex_header +{ + my ($mode) = @_; + my $currentstring = ''; + + $currentstring .= + "\n% &Apache::lonxml::londefdef \n" . + '\documentclass[letterpaper,twoside]{article}\raggedbottom'; + if (($env{'form.latex_type'}=~'batchmode') || + (!$env{'request.role.adv'}) || + ($mode eq 'batchmode')) {$currentstring .='\batchmode';} + $currentstring .= '\newcommand{\keephidden}[1]{}'. + '\renewcommand{\deg}{$^{\circ}$}'. + '\usepackage{multirow}'. + '\usepackage{longtable}'. + '\usepackage{textcomp}'. + '\usepackage{makeidx}'. + '\usepackage[dvips]{graphicx}'. + '\usepackage{wrapfig}'. + '\usepackage{picins}'. + '\usepackage[T1]{fontenc}'."\n". + '\usepackage{lmodern}'."\n". + '\usepackage[postscript]{ucs}'."\n". + '\usepackage[utf8x]{inputenc}'."\n". + '\usepackage{pifont}' ."\n". + '\usepackage{latexsym}'."\n". + '\usepackage{epsfig}'. + "\\usepackage{xtab}\n". + "\\usepackage{tabularx}\n". + "\\usepackage{booktabs}\n". + "\\usepackage{array}\n". + "\\usepackage{colortbl}\n". + "\\usepackage{xcolor}\n". + '\usepackage{calc}'. + '\usepackage{amsmath}'. + '\usepackage{amssymb}'. + '\usepackage{amsfonts}'. + '\usepackage{amsthm}'. + '\usepackage{amscd}' + .'\usepackage{picins}\usepackage{calc}'."\n". # From lonprintout.pm + '\usepackage[T1]{fontenc}'."\n". + '\usepackage{lmodern}'."\n". + '\usepackage[postscript]{ucs}'."\n". + '\usepackage[utf8x]{inputenc}'."\n". + '\usepackage{pifont}' . "\n"; + + if($env{'form.pdfFormFields'} eq 'yes') { + $currentstring .= '\usepackage{hyperref}'. + '\usepackage{eforms}'. + '\usepackage{tabularx}'; + } + + $currentstring .= '\newenvironment{choicelist}{\begin{list}{}{\setlength{\rightmargin}{0in}\setlength{\leftmargin}{0.13in}\setlength{\topsep}{0.05in}\setlength{\itemsep}{0.022in}\setlength{\parsep}{0in}\setlength{\belowdisplayskip}{0.04in}\setlength{\abovedisplayskip}{0.05in}\setlength{\abovedisplayshortskip}{-0.04in}\setlength{\belowdisplayshortskip}{0.04in}}}{\end{list}}'. + '\renewenvironment{theindex}{\begin{list}{}{{\vskip 1mm \noindent \large\textbf{Index}} \newline \setlength{\rightmargin}{0in}\setlength{\leftmargin}{0.13in}\setlength{\topsep}{0.01in}\setlength{\itemsep}{0.1in}\setlength{\parsep}{-0.02in}\setlength{\belowdisplayskip}{0.01in}\setlength{\abovedisplayskip}{0.01in}\setlength{\abovedisplayshortskip}{-0.04in}\setlength{\belowdisplayshortskip}{0.01in}}}{\end{list}}'; + $currentstring .= '\begin{document}'; + + return $currentstring; + +} + +=pod + +=head1 NAME + +Apache::londefdef.pm + +=head1 SYNOPSIS + +Tags Default Definition Module + +This is part of the LearningOnline Network with CAPA project +described at http://www.lon-capa.org. + + +=head1 NOTABLE SUBROUTINES + +=over + +=item start_hideweboutput() + +=item end_hideweboutput() + +=item image_replication() + +=item resize_image() + + Get correct sizing parameter for an image given + it's initial ht. and wid. This allows sizing of + images that are generated on-the-fly (e.g. gnuplot) + as well as serving as a utility for image_size. + + Parameter: + height_param + width_param - Initial picture dimensions. + scaling - A scale factor. + parstack, - the current stack of tag attributes + from the xml parser + safeeval, - pointer to the safespace + depth, - from what level in the stack to look for attributes + (assumes -1 if unspecified) + cis - look for attrubutes case insensitively + (assumes false) + + Returns: + height, width - new dimensions. + +=item image_size() + +=item image_width() + +=item image_height() + +=item get_eps_image() + +=item eps_generation() + +=item file_path() + +=item recalc() + + Converts a measurement in to mm from any of + the other valid LaTeX units of measure. + If the units of measure are missing from the + parameter, it is assumed to be in and returned + with mm units of measure + +=item LATEX_length() + +=item align_latex_image() + + Wrap image 'stuff' inside of the LaTeX required to implement + alignment: + align_tex_image(align, latex_rendering, image) + Where: + align - The HTML alignment specification. + latex_rendering - rendering hint for latex. + image - The LaTeX needed to insert the image itsef. + width,height - dimensions of the image. + Returns: + The 1/2 wrapped image and the stuff required to close the + wrappage. This allows e.g. randomlabel to insert more stuff + into the closure. + + +=item is_inside_of($tagstack, $tag) + This sub returns true if the current state of Xml processing is inside of the tag. + Parameters: + tagstack - The tagstack from the parser. + tag - The tag (without the <>'s.). + Sample usage: + if (is_inside_of($tagstack "table")) { + I'm in a table.... + } + + + +=back + +=cut + + 1; __END__