Diff for /loncom/xml/londefdef.pm between versions 1.358 and 1.369

version 1.358, 2007/03/13 13:35:39 version 1.369, 2007/06/22 00:11:32
Line 128  sub start_m { Line 128  sub start_m {
  #&Apache::lonxml::debug("M is ends with:$currentstring:");   #&Apache::lonxml::debug("M is ends with:$currentstring:");
  $Apache::lonxml::post_evaluate=0;   $Apache::lonxml::post_evaluate=0;
     } elsif ($target eq 'tex') {      } elsif ($target eq 'tex') {
   
  $currentstring = $inside;   $currentstring = $inside;
  my $eval=&Apache::lonxml::get_param('eval',$parstack,$safeeval);   my $eval=&Apache::lonxml::get_param('eval',$parstack,$safeeval);
  if ($eval eq 'on') {   if ($eval eq 'on') {
Line 135  sub start_m { Line 136  sub start_m {
  }   }
  if ($currentstring=~/^(\s*\\\\\s*)*$/) {$currentstring = ' \vskip 0 mm ';}   if ($currentstring=~/^(\s*\\\\\s*)*$/) {$currentstring = ' \vskip 0 mm ';}
  # detect simple math mode entry exits, and convert them   # detect simple math mode entry exits, and convert them
         # to use \ensuremath          # to use \ensuremath ... unless there's a \verb inside.
  if ($currentstring=~/^\s*\$[^\$].*[^\$]\$\s*$/) {   if (! ($currentstring=~/\\verb/)) {
     $currentstring=~s/^(\s*)\$/$1/;      if ($currentstring=~/^\s*\$[^\$].*[^\$]\$\s*$/) {
     $currentstring=~s/\$(\s*)$/$1/;   $currentstring=~s/^(\s*)\$/$1/;
     $currentstring='\ensuremath{'.$currentstring.'}';   $currentstring=~s/\$(\s*)$/$1/;
    $currentstring='\ensuremath{'.$currentstring.'}';
       }
  }   }
  $Apache::lonxml::post_evaluate=0;   $Apache::lonxml::post_evaluate=0;
     }      }
Line 478  sub start_accessrule { Line 481  sub start_accessrule {
  ('realm',$parstack,$safeeval,undef,1);   ('realm',$parstack,$safeeval,undef,1);
     my $role=&Apache::lonxml::get_param      my $role=&Apache::lonxml::get_param
  ('role',$parstack,$safeeval,undef,1);   ('role',$parstack,$safeeval,undef,1);
     $realm=~s/\s+//g;      my ($dom,$crs,$sec)=split(/\_/,$realm);
     $realm=~s/\//\_/g;      $dom = &LONCAPA::clean_domain($dom);
     $realm=~s/^\_//;      my $type=&Apache::lonxml::get_param
     $realm=~s/\W/\;/g;   ('type',$parstack,$safeeval,undef,1);
     $role=~s/\s+//g;      if ($type eq 'user') {
     $role=~s/\//\_/g;   $crs = &LONCAPA::clean_username($crs);
     $role=~s/\W/\;/g;      } else {
    $crs = &LONCAPA::clean_courseid($crs);
       }
       $sec =~s/\W//;
       $realm = $dom;
       if ($crs =~ /\S/) { $realm .= '_'.$crs; }
       if ($sec =~ /\S/) { $realm .= '_'.$sec; }
       $role=~s/\W//g;
   
     if ($target eq 'web') {      if ($target eq 'web') {
  my $args='';   my $args='';
  if ( $#$parstack > -1 ) { $args=$$parstack[$#$parstack]; }   if ( $#$parstack > -1 ) { $args=$$parstack[$#$parstack]; }
Line 495  sub start_accessrule { Line 506  sub start_accessrule {
  }   }
     }      }
     if ($target eq 'meta') {      if ($target eq 'meta') {
  $currentstring='<rule>'.$eff.':'.$realm.':'.$role.'</rule>';   $currentstring='<rule>'.$eff.':'.$realm.':'.$role.':'.$type.'</rule>';
     }      }
     return $currentstring;      return $currentstring;
 }  }
Line 513  sub end_accessrule { Line 524  sub end_accessrule {
     return $currentstring;      return $currentstring;
 }  }
   
   sub generate_css_links {
       my $links;
       my $css_href = &Apache::lonnet::EXT('resource.0.cssfile');
       if ($css_href =~ /\S/) {
    &Apache::lonxml::extlink($css_href);
    $links .= 
       '<link rel="stylesheet" type="text/css" href="'.$css_href.'" />';
       }
       return $links;
   }
   
 #-- <body> tag (end tag required)  #-- <body> tag (end tag required)
 sub start_body {  sub start_body {
     my ($target,$token,$tagstack,$parstack,$parser,$safeeval) = @_;      my ($target,$token,$tagstack,$parstack,$parser,$safeeval) = @_;
Line 527  sub start_body { Line 549  sub start_body {
  if (&is_inside_of($tagstack, "head")) {   if (&is_inside_of($tagstack, "head")) {
     &end_head(@_);      &end_head(@_);
  }   }
   
    my $extra_head = &generate_css_links();
   
  $currentstring =    $currentstring = 
     &Apache::loncommon::start_page($Apache::londefdef::title,      &Apache::loncommon::start_page($Apache::londefdef::title,
    $Apache::londefdef::head,     $Apache::londefdef::head
         .$extra_head,
    {'add_entries'    => $token->[2],     {'add_entries'    => $token->[2],
     'no_title'       => 1,      'no_title'       => 1,
     'force_register' => 1});      'force_register' => 1});
Line 1458  sub start_hr { Line 1484  sub start_hr {
     if ($target eq 'web' || $target eq 'webgrade') {      if ($target eq 'web' || $target eq 'webgrade') {
  $currentstring .= $token->[4];   $currentstring .= $token->[4];
     } elsif ($target eq 'tex') {      } elsif ($target eq 'tex') {
   
    # <hr /> can't be inside of <sup><sub> thank you LaTeX.
    # 
    my $restart_sub = 0;
    my $restart_sup = 0;
   
    # Since <sub> and <sup> are simple tags it's ok to turn off/on
    # using the start_ stop_ functions.. those tags only care about
    # $target.
   
    if (&is_inside_of($tagstack, "sub")) {
       $restart_sub = 1;
       $currentstring .= &end_sub($target, $token, $tagstack, 
          $parstack, $parser, $safeeval);
    }
    if (&is_inside_of($tagstack, "sup")) {
       $restart_sup = 1;
       $currentstring .= &end_sup($target, $token, $tagstack,
          $parstack, $parser, $safeeval);
    }
   
  my $LaTeXwidth = &Apache::lonxml::get_param('TeXwidth',$parstack,$safeeval,undef,0);   my $LaTeXwidth = &Apache::lonxml::get_param('TeXwidth',$parstack,$safeeval,undef,0);
  if (defined $LaTeXwidth) {   if (defined $LaTeXwidth) {
     if ($LaTeXwidth=~/^%/) {      if ($LaTeXwidth=~/^%/) {
Line 1478  sub start_hr { Line 1525  sub start_hr {
  }   }
  $currentstring .= ' \vskip 0 mm \noindent\makebox['.$LaTeXwidth.']{'.$pre.'\makebox['.   $currentstring .= ' \vskip 0 mm \noindent\makebox['.$LaTeXwidth.']{'.$pre.'\makebox['.
                                     $LaTeXwidth.'][b]{\hrulefill}'.$post.'}\vskip 0 mm ';                                      $LaTeXwidth.'][b]{\hrulefill}'.$post.'}\vskip 0 mm ';
    # Turn stuff back on that we can't be inside of.
   
    if ($restart_sub) {
       $currentstring .= &start_sub($target, $token, $tagstack,
    $parstack, $parser, $safeeval);
    }
    if ($restart_sup) {
       $currentstring .= &start_sup($target, $token, $tagstack,
    $parstack, $parser, $safeeval);
    }
     }       } 
     return $currentstring;      return $currentstring;
 }  }
Line 1575  sub end_a { Line 1632  sub end_a {
     &Apache::lonxml::get_param('name',$parstack,$safeeval,undef,1);      &Apache::lonxml::get_param('name',$parstack,$safeeval,undef,1);
  if ($href =~ /\S/) {   if ($href =~ /\S/) {
     $href =~ s/([^\\])%/$1\\\%/g;      $href =~ s/([^\\])%/$1\\\%/g;
     $currentstring .= ' ({\tt URI:'.&Apache::lonxml::latex_special_symbols($href).'})';      # 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/) {
     $currentstring .= ' ({\tt Anchor:'.&Apache::lonxml::latex_special_symbols($name).'})';      $currentstring .= ' ({\tt Anchor:'.&Apache::lonxml::latex_special_symbols($name).'})';
  } else {   } else {
Line 1951  sub start_table { Line 2012  sub start_table {
     } else {       } else { 
  $TeXwidth = $textwidth;   $TeXwidth = $textwidth;
     }      }
  } else {  
     $Apache::londefdef::table[-1]{'forcedtablewidth'} = 1;  
  }   }
    # if the width is specified as a % it is converted to an absolute width.
    # otherwise.. just plugged right in the hash
   
  if ($TeXwidth=~/%/) {   if ($TeXwidth=~/%/) {
     $Apache::londefdef::table[-1]{'percent'}=1;  
     $TeXwidth=~/(\d+)/;      $TeXwidth=~/(\d+)/;
             $Apache::londefdef::table[-1]{'width'}=$1*$textwidth/100;              $Apache::londefdef::table[-1]{'width'}=$1*$textwidth/100;
  } else {   } else {
Line 1966  sub start_table { Line 2027  sub start_table {
  if ($Apache::londefdef::table[-1]{'width'} > $textwidth) {   if ($Apache::londefdef::table[-1]{'width'} > $textwidth) {
     $Apache::londefdef::table[-1]{'width'} = $textwidth;      $Apache::londefdef::table[-1]{'width'} = $textwidth;
  }   }
   
         #table's border          #table's border
  my $border = &Apache::lonxml::get_param('border',$parstack,$safeeval);    my $border = &Apache::lonxml::get_param('border',$parstack,$safeeval); 
         my $permission=&Apache::lonxml::get_param('TeXDropEmptyColumns',$parstack,$safeeval,undef,0);          my $permission=&Apache::lonxml::get_param('TeXDropEmptyColumns',$parstack,$safeeval,undef,0);
Line 2107  sub end_table { Line 2167  sub end_table {
     $space_neeeded=$space_neeeded+$max_len[$jn];      $space_neeeded=$space_neeeded+$max_len[$jn];
  }   }
  if ($space_neeeded<=$available_space) {   if ($space_neeeded<=$available_space) {
   
     for (my $jn=0;$jn<=$#max_len;$jn++) {      for (my $jn=0;$jn<=$#max_len;$jn++) {
  if ($fwidth[$jn]==0) {   if ($fwidth[$jn]==0) {
     $fwidth[$jn]=$max_len[$jn];      $fwidth[$jn]=$max_len[$jn];
Line 2190  sub end_table { Line 2251  sub end_table {
  }   }
     }      }
  }   }
         #use all available width if it is defined in % or as TeXwidth          # use all available width or specified width as if not specified,
         if (($Apache::londefdef::table[-1]{'percent'}==1) || ($Apache::londefdef::table[-1]{'forcetablewidth'}==1)) {   # the specified width gets defaulted to the available width.
     my $current=0;   
     for (my $i=0;$i<=$#fwidth;$i++) {     my $current=0; 
  $current+=$fwidth[$i];   for (my $i=0;$i<=$#fwidth;$i++) {  
     }      $current+=$fwidth[$i];
     my $coef=$Apache::londefdef::table[-1]{'width'}/$current;   }
     for (my $i=0;$i<=$#fwidth;$i++) {     my $coef=$Apache::londefdef::table[-1]{'width'}/$current;
  $fwidth[$i]*=$coef;   for (my $i=0;$i<=$#fwidth;$i++) {  
     }      $fwidth[$i]*=$coef;
  }   }
         #removing of empty columns if allowed          #removing of empty columns if allowed
         my $permission=&Apache::lonxml::get_param('TeXDropEmptyColumns',$parstack,$safeeval,undef,0);          my $permission=&Apache::lonxml::get_param('TeXDropEmptyColumns',$parstack,$safeeval,undef,0);
Line 2220  sub end_table { Line 2281  sub end_table {
     $Apache::londefdef::table[-1]{'content'}=\@cleaned_table;      $Apache::londefdef::table[-1]{'content'}=\@cleaned_table;
     @fwidth=@cleaned_header;      @fwidth=@cleaned_header;
  }   }
  #  At this time we must be sure the table does not overhang the total width  
  #  this can happen due to our 'average width' adjustment.  
         #  Total the column widths and see if they are larger than the avail width;  
  #  If so scale them down in proportion to their percentage of total width.  
   
  my $current_total_width = 0;  
  for (my $col = 0; $col < $#fwidth; $col++) {  
     $current_total_width = $current_total_width + $fwidth[$col];  
  }  
   
  #construct header of the table   #construct header of the table
  my $header_of_table = '{'.$Apache::londefdef::table[-1]{'vvinc'};   my $header_of_table = '{'.$Apache::londefdef::table[-1]{'vvinc'};
Line 2956  sub start_img { Line 3009  sub start_img {
  # And here's where the semi-quote breaks down: allow the user   # And here's where the semi-quote breaks down: allow the user
         # to edit the beast as well by rendering the problem for edit:          # to edit the beast as well by rendering the problem for edit:
     } elsif ($target eq 'edit') {      } elsif ($target eq 'edit') {
           my $only = join(',',&Apache::loncommon::filecategorytypes('Pictures'));
  $currentstring .=&Apache::edit::tag_start($target,$token);   $currentstring .=&Apache::edit::tag_start($target,$token);
  $currentstring .=&Apache::edit::text_arg('Image Url:','src',$token,70).   $currentstring .=&Apache::edit::text_arg('Image Url:','src',$token,70).
     &Apache::edit::browse('src',undef,'alt').' '.      &Apache::edit::browse('src',undef,'alt',$only).' '.
     &Apache::edit::search('src',undef,'alt').'<br />';      &Apache::edit::search('src',undef,'alt').'<br />';
  $currentstring .=&Apache::edit::text_arg('Description:','alt',$token,70).'<br />';   $currentstring .=&Apache::edit::text_arg('Description:','alt',$token,70).'<br />';
  $currentstring .=&Apache::edit::text_arg('width (pixel):','width',$token,5);   $currentstring .=&Apache::edit::text_arg('width (pixel):','width',$token,5);
Line 3064  sub start_applet { Line 3118  sub start_applet {
     $currentstring='[APPLET: '.$alttag.']';      $currentstring='[APPLET: '.$alttag.']';
  }   }
     } elsif ($target eq 'tex') {      } elsif ($target eq 'tex') {
    # Turn off some stuff we can't be inside thank you LaTeX
   
   
    my $restart_sub = 0;
    my $restart_sup = 0;
   
    # Since <sub> and <sup> are simple tags it's ok to turn off/on
    # using the start_ stop_ functions.. those tags only care about
    # $target.
   
    if (&is_inside_of($tagstack, "sub")) {
       $restart_sub = 1;
       $currentstring .= &end_sub($target, $token, $tagstack, 
          $parstack, $parser, $safeeval);
    }
    if (&is_inside_of($tagstack, "sup")) {
       $restart_sup = 1;
       $currentstring .= &end_sup($target, $token, $tagstack,
          $parstack, $parser, $safeeval);
    }
   
    # Now process the applet; just replace it with its alt attribute.
   
  my $alttag= &Apache::lonxml::get_param('alt',$parstack,   my $alttag= &Apache::lonxml::get_param('alt',$parstack,
        $safeeval,undef,1);         $safeeval,undef,1);
  unless ($alttag) {   unless ($alttag) {
Line 3074  sub start_applet { Line 3151  sub start_applet {
  }   }
  $currentstring.='\begin{center} \fbox{Java Applet: '.$alttag.   $currentstring.='\begin{center} \fbox{Java Applet: '.$alttag.
     '.}\end{center}';      '.}\end{center}';
   
    # Turn stuff back on that we can't be inside of.
   
    if ($restart_sub) {
       $currentstring .= &start_sub($target, $token, $tagstack,
    $parstack, $parser, $safeeval);
    }
    if ($restart_sup) {
       $currentstring .= &start_sup($target, $token, $tagstack,
    $parstack, $parser, $safeeval);
    }
     }       } 
     return $currentstring;      return $currentstring;
 }  }

Removed from v.1.358  
changed lines
  Added in v.1.369


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