--- loncom/xml/londefdef.pm 2004/08/25 20:16:44 1.231.2.2 +++ loncom/xml/londefdef.pm 2004/12/27 14:06:32 1.248 @@ -1,7 +1,7 @@ # The LearningOnline Network with CAPA # Tags Default Definition Module # -# $Id: londefdef.pm,v 1.231.2.2 2004/08/25 20:16:44 albertel Exp $ +# $Id: londefdef.pm,v 1.248 2004/12/27 14:06:32 foxr Exp $ # # # Copyright Michigan State University Board of Trustees @@ -63,9 +63,10 @@ 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; } @@ -151,8 +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 = (); $currentstring .= '\documentclass[letterpaper]{article}'; @@ -163,6 +163,7 @@ sub start_html { '\usepackage{textcomp}'. '\usepackage{makeidx}'. '\usepackage[dvips]{graphicx}'. + '\usepackage{picins}'. '\usepackage{epsfig}'. '\usepackage{calc}'. '\usepackage{amsmath}'. @@ -177,10 +178,10 @@ sub start_html { } sub end_html { - my ($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 $currentstring; } @@ -190,7 +191,7 @@ sub start_head { my ($target,$token) = @_; my $currentstring = ''; if ($target eq 'web') { - $currentstring = $token->[4]; + $currentstring = $token->[4].&Apache::lonxml::fontsettings(); } return $currentstring; } @@ -479,6 +480,7 @@ sub end_accessrule { sub start_body { my ($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."); @@ -530,12 +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.=(< @@ -1698,9 +1707,11 @@ 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 $currentstring; } @@ -1711,18 +1722,17 @@ sub end_dl { if ($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 $currentstring; } @@ -1734,16 +1744,11 @@ sub start_dt { if ($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 $currentstring; } @@ -1754,9 +1759,11 @@ sub end_dt { if ($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 $currentstring; } @@ -1775,12 +1782,14 @@ sub start_dd { if ($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 $currentstring; @@ -1792,8 +1801,9 @@ sub end_dd { if ($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; } @@ -2434,26 +2444,57 @@ sub start_img { $currentstring.='[IMAGE: '.$alttag.']'; } } 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 @@ -2462,12 +2503,41 @@ 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 @@ -2493,6 +2563,8 @@ 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::end_row().&Apache::edit::start_spanning_row(); my $src=&Apache::lonxml::get_param('src',$parstack,$safeeval); my $alt=&Apache::lonxml::get_param('alt',$parstack,$safeeval); @@ -2506,7 +2578,7 @@ sub start_img { my ($osrc,$owidth,$oheight)= ($token->[2]{'src'},$token->[2]{'width'},$token->[2]{'height'}); my $ctag=&Apache::edit::get_new_args($token,$parstack, - $safeeval,'src','alt', + $safeeval,'src','alt','align', 'TeXwidth','TeXheight', 'width','height'); my ($nsrc,$nwidth,$nheight)= @@ -2673,7 +2745,7 @@ 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); @@ -3691,12 +3763,25 @@ sub image_size { $width_param = $TeXwidth; } } elsif ($TeXheight ne '') { - $width_param = $TeXheight/$height_param*$width_param; + $height_param = $TeXheight; + $width_param = $TeXheight/$height_param*$width_param; } elsif ($width ne '') { $width_param = $width*$scaling; } if ($width_param > $ENV{'form.textwidth'}) {$width_param =0.95*$ENV{'form.textwidth'}} - return $width_param; + return ($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 { @@ -3714,7 +3799,11 @@ 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 {