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Diff for /loncom/xml/londefdef.pm between versions 1.154 and 1.158.4.6

version 1.154, 2003/07/15 20:47:24 version 1.158.4.6, 2003/09/02 21:31:11
Line 25 Line 25
 # /home/httpd/html/adm/gpl.txt  # /home/httpd/html/adm/gpl.txt
 #  #
 # http://www.lon-capa.org/  # http://www.lon-capa.org/
 #  ## Copyright for TtHfunc and TtMfunc by Ian Hutchinson. 
 # Copyright for TtHfunc and TtMfunc by Ian Hutchinson.   
 # TtHfunc and TtMfunc (the "Code") may be compiled and linked into   # TtHfunc and TtMfunc (the "Code") may be compiled and linked into 
 # binary executable programs or libraries distributed by the   # binary executable programs or libraries distributed by the 
 # Michigan State University (the "Licensee"), but any binaries so   # Michigan State University (the "Licensee"), but any binaries so 
Line 320  sub start_title { Line 319  sub start_title {
     if ($target eq 'web') {      if ($target eq 'web') {
  $currentstring = $token->[4];        $currentstring = $token->[4];     
     } elsif ($target eq 'tex') {      } elsif ($target eq 'tex') {
  $currentstring .= '\keephidden{'    $currentstring .= '\keephidden{Title of the document:  ' 
     }      }
     if ($target eq 'meta') {      if ($target eq 'meta') {
  $currentstring='<title>';   $currentstring='<title>';
Line 395  sub start_meta { Line 394  sub start_meta {
 }  }
   
 sub end_meta {  sub end_meta {
     my ($target,$token,$tagstack,$parstack,$parser) = @_;      my ($target,$token,$tagstack,$parstack,$parser,$safeeval) = @_;
     my $currentstring = '';      my $currentstring = '';
     if ($target eq 'web') {      if ($target eq 'web') {
  my $args='';   my $args='';
Line 404  sub end_meta { Line 403  sub end_meta {
     $currentstring = $token->[4];      $currentstring = $token->[4];
  }   }
     } elsif ($target eq 'tex') {      } elsif ($target eq 'tex') {
  $currentstring=&Apache::lonxml::endredirection();   my $content=&Apache::lonxml::get_param('content',$parstack,$safeeval);
  $currentstring='';   my $name=&Apache::lonxml::get_param('name',$parstack,$safeeval);
    if ((not defined $content) && (not defined $name)) {
       &Apache::lonxml::endredirection();
    }
     }      }
     return $currentstring;      return $currentstring;
 }  }
Line 460  sub start_body { Line 462  sub start_body {
     my ($target,$token,$tagstack,$parstack,$parser,$safeeval) = @_;      my ($target,$token,$tagstack,$parstack,$parser,$safeeval) = @_;
     my $currentstring = '';      my $currentstring = '';
     if ($target eq 'web') {      if ($target eq 'web') {
    if ($Apache::lonhomework::parsing_a_problem) {
       &Apache::lonxml::warning("<body> tag found inside of <problem> tag this can cause problems.");
       return '';
    }
  if (!$Apache::lonxml::registered) {   if (!$Apache::lonxml::registered) {
     $currentstring.='<head>'.      $currentstring.='<head>'.
  &Apache::lonmenu::registerurl(undef,$target).'</head>';   &Apache::lonmenu::registerurl(undef,$target).'</head>';
  }   }
   # Accessibility
    if ($ENV{'browser.imagesuppress'} eq 'on') {
       delete($token->[2]->{'background'});
    }
    if ($ENV{'browser.fontenhance'} eq 'on') {
       my $style='';
       foreach my $key (keys(%{$token->[2]})) {
    if ($key =~ /^style$/i) {
       $style.=$token->[2]->{$key}.';';
       delete($token->[2]->{$key});
    }
       }
       $token->[2]->{'style'}=$style.'; font-size: x-large;';
    }
    if ($ENV{'browser.blackwhite'} eq 'on') {
       delete($token->[2]->{'font'});
       delete($token->[2]->{'link'});
       delete($token->[2]->{'alink'});
       delete($token->[2]->{'vlink'});
       delete($token->[2]->{'bgcolor'});
       delete($token->[2]->{'background'});
    }
   # Overload loads
  my $onLoad='';   my $onLoad='';
  foreach my $key (keys(%{$token->[2]})) {   foreach my $key (keys(%{$token->[2]})) {
     if ($key =~ /^onload$/i) {      if ($key =~ /^onload$/i) {
Line 1056  sub end_q { Line 1085  sub end_q {
   
 #-- <p> tag  #-- <p> tag
 sub start_p {  sub start_p {
     my ($target,$token) = @_;      my ($target,$token,$tagstack,$parstack,$parser,$safeeval) = @_;
     my $currentstring = '';      my $currentstring = '';
     if ($target eq 'web') {      if ($target eq 'web') {
  $currentstring .= $token->[4];   $currentstring .= $token->[4];
     } elsif ($target eq 'tex') {      } elsif ($target eq 'tex') {
  $currentstring .= '\par ';   my $signal=1;
    foreach my $tag (@$tagstack) {if (lc($tag) eq 'b') {$signal=0;}}
    if ($signal) {$currentstring .= '\par ';}
     }      }
     return $currentstring;      return $currentstring;
 }  }
Line 1179  sub start_font { Line 1210  sub start_font {
     my $currentstring = '';      my $currentstring = '';
     if ($target eq 'web') {      if ($target eq 'web') {
  my $face=&Apache::lonxml::get_param('face',$parstack,$safeeval);   my $face=&Apache::lonxml::get_param('face',$parstack,$safeeval);
  if ($face=~/symbol/i) {$Apache::lonxml::prevent_entity_encode++;}   if ($face=~/symbol/i) {
       $Apache::lonxml::prevent_entity_encode++;
    } else {
       if (($ENV{'browser.fontenhance'} eq 'on') || 
    ($ENV{'browser.blackwhite'} eq 'on')) { return ''; }
    }
  $currentstring = $token->[4];        $currentstring = $token->[4];     
     }  elsif ($target eq 'tex') {      }  elsif ($target eq 'tex') {
  my $fontsize=&Apache::lonxml::get_param('TeXsize',$parstack,$safeeval);   my $fontsize=&Apache::lonxml::get_param('TeXsize',$parstack,$safeeval);
Line 1378  sub start_a { Line 1414  sub start_a {
 }  }
   
 sub end_a {  sub end_a {
     my ($target,$token,$tagstack,$parstack,$safeeval) = @_;      my ($target,$token,$tagstack,$parstack,$parser,$safeeval) = @_;
     my $currentstring = '';      my $currentstring = '';
     if ($target eq 'web') {      if ($target eq 'web') {
  $currentstring .= $token->[2];   $currentstring .= $token->[2];
Line 1388  sub end_a { Line 1424  sub end_a {
   
 #-- <li> tag  #-- <li> tag
 sub start_li {  sub start_li {
     my ($target,$token,$tagstack,$parstack,$safeeval) = @_;      my ($target,$token,$tagstack,$parstack,$parser,$safeeval) = @_;
     my $currentstring = '';      my $currentstring = '';
     if ($target eq 'web') {      if ($target eq 'web') {
  $currentstring = $token->[4];        $currentstring = $token->[4];     
Line 1752  sub end_table { Line 1788  sub end_table {
  $needed=$#length_row_final-$needed+1;   $needed=$#length_row_final-$needed+1;
  for (my $jn=0;$jn<=$#length_row_final;$jn++) {   for (my $jn=0;$jn<=$#length_row_final;$jn++) {
     if ($length_row_final[$jn]==0) {      if ($length_row_final[$jn]==0) {
  if ($length_raw_row[$jn]<$available_length/3) {   if ($length_raw_row[$jn]<$available_length) {
     $length_row_final[$jn]=$length_raw_row[$jn];      $length_row_final[$jn]=$length_raw_row[$jn];
     $available_length=$available_length-$length_raw_row[$jn];      $available_length=$available_length-$length_raw_row[$jn];
     $needed--;      $needed--;
Line 1788  sub end_table { Line 1824  sub end_table {
     return $currentstring;      return $currentstring;
 }  }
   
 #-- <tr> tag  #-- <tr> tag (end tag optional)
 sub start_tr {  sub start_tr {
     my ($target,$token,$tagstack,$parstack,$parser,$safeeval) = @_;      my ($target,$token,$tagstack,$parstack,$parser,$safeeval) = @_;
     my $currentstring = '';      my $currentstring = '';
Line 1822  sub end_tr { Line 1858  sub end_tr {
     return $currentstring;      return $currentstring;
 }  }
   
 #-- <td> tag  #-- <td> tag (end tag optional)
 sub start_td {  sub start_td {
     my ($target,$token,$tagstack,$parstack,$parser,$safeeval) = @_;      my ($target,$token,$tagstack,$parstack,$parser,$safeeval) = @_;
     my $currentstring = '';      my $currentstring = '';
Line 1861  sub end_td { Line 1897  sub end_td {
  $Apache::londefdef::table[-1]{'TeXlength'} .= $1.',';   $Apache::londefdef::table[-1]{'TeXlength'} .= $1.',';
  $Apache::londefdef::table[-1]{'length'} .= '0,';   $Apache::londefdef::table[-1]{'length'} .= '0,';
     } else {        } else {  
  $data=~s/^\s+(\S.*)/$1/;   $data=~s/^\s+(\S.*)/$1/; 
  $data=~s/(.*\S)\s+$/$1/;   $data=~s/(.*\S)\s+$/$1/;
  my $current_length=2*length($data);   $data=~s/(\s)+/$1/;
    my $current_length=0;
    if ($data=~/\\vskip/) {
       my $newdata=$data;
       $newdata=~s/\\vskip \d*\.?\d*\s*mm/THISISJUSTTEMPORARYSEPARATOR/g;
       my @newdata=split(/THISISJUSTTEMPORARYSEPARATOR/,$newdata);
       foreach my $elementdata (@newdata) {
    $elementdata=~s/^\s+(\S.*)/$1/; 
    $elementdata=~s/(.*\S)\s+$/$1/;
    $elementdata=~s/(\s)+/$1/;
    my $lengthnewdata=1.8*length($elementdata);
    if ($lengthnewdata>$current_length) {$current_length=$lengthnewdata;}
       }
    } else {
       $current_length=1.8*length($data);
    }
  $Apache::londefdef::table[-1]{'length'} .= $current_length.',';   $Apache::londefdef::table[-1]{'length'} .= $current_length.',';
  $Apache::londefdef::table[-1]{'TeXlength'} .= '0,';   $Apache::londefdef::table[-1]{'TeXlength'} .= '0,';
     }              }
  }   }
  for (my $in=0; $in<=$#{$Apache::londefdef::table[-1]{'include'}};$in++) {            for (my $in=0; $in<=$#{$Apache::londefdef::table[-1]{'include'}};$in++) {         
     $data=~s/\\keephidden\{NEW TABLE ENTRY\}/$Apache::londefdef::table[-1]{'include'}[$in]/;      $data=~s/\\keephidden\{NEW TABLE ENTRY\}/$Apache::londefdef::table[-1]{'include'}[$in]/;
Line 1876  sub end_td { Line 1927  sub end_td {
     return $currentstring;      return $currentstring;
 }  }
   
 #-- <th> tag  #-- <th> tag (end tag optional)
 sub start_th {  sub start_th {
     my ($target,$token,$tagstack,$parstack,$parser,$safeeval) = @_;      my ($target,$token,$tagstack,$parstack,$parser,$safeeval) = @_;
     my $currentstring = '';      my $currentstring = '';
Line 1942  sub start_img { Line 1993  sub start_img {
     my $width_param = '';      my $width_param = '';
     my $height_param = '';      my $height_param = '';
     my $scaling = .3;      my $scaling = .3;
       
     if ($target eq 'web') {      if ($target eq 'web') {
  if ($ENV{'browser.imagesuppress'} ne 'on') {   if ($ENV{'browser.imagesuppress'} ne 'on') {
     $currentstring = $token->[4];      $currentstring.= $token->[4];
  } else {   } else {
     my $alttag= &Apache::lonxml::get_param      my $alttag= &Apache::lonxml::get_param
  ('alt',$parstack,$safeeval,undef,1);   ('alt',$parstack,$safeeval,undef,1);
Line 1953  sub start_img { Line 2003  sub start_img {
  $alttag=&Apache::lonmeta::alttag   $alttag=&Apache::lonmeta::alttag
     ($Apache::lonxml::pwd[-1],$src);      ($Apache::lonxml::pwd[-1],$src);
     }      }
     $currentstring='[IMAGE: '.$alttag.']';      $currentstring.='[IMAGE: '.$alttag.']';
  }   }
     } elsif ($target eq 'tex') {      } elsif ($target eq 'tex') {
  $src=&Apache::lonnet::filelocation($Apache::lonxml::pwd[-1],$src);   $src=&Apache::lonnet::filelocation($Apache::lonxml::pwd[-1],$src);
  &image_replication($src);   &image_replication($src);
   
  #if original gif/jpg/png file exist do following:   #if original gif/jpg/png file exist do following:
  if (-e $src) {             if (-e $src) {          
     #defines the default size of image      #defines the default size of image
Line 1983  sub start_img { Line 2032  sub start_img {
     } elsif ($width ne '') {      } elsif ($width ne '') {
  $width_param = $width*$scaling;         $width_param = $width*$scaling;      
     }      }
       if ($width_param > $ENV{'form.textwidth'}) {$width_param =0.95*$ENV{'form.textwidth'}}
     my $file;      my $file;
     my $path;      my $path;
     if ($src =~ m!(.*)/([^/]*)$!) {      if ($src =~ m!(.*)/([^/]*)$!) {
Line 3008  sub end_tbody { Line 3058  sub end_tbody {
     return $currentstring;      return $currentstring;
 }  }
   
 #-- <tfoot> tag  #-- <tfoot> tag (end tag optional)
 sub start_tfoot {  sub start_tfoot {
     my ($target,$token) = @_;      my ($target,$token) = @_;
     my $currentstring = '';      my $currentstring = '';
Line 3027  sub end_tfoot { Line 3077  sub end_tfoot {
     return $currentstring;      return $currentstring;
 }  }
   
 #-- <thead> tag  #-- <thead> tag (end tag optional)
 sub start_thead {  sub start_thead {
     my ($target,$token) = @_;      my ($target,$token) = @_;
     my $currentstring = '';      my $currentstring = '';
Removed from v.1.154  
changed lines
  Added in v.1.158.4.6

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