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Diff for /loncom/xml/londefdef.pm between versions 1.354 and 1.375.2.1

version 1.354, 2007/02/01 10:49:27 version 1.375.2.1, 2007/10/15 20:00:12
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 445  sub start_meta { Line 448  sub start_meta {
  if ((not defined $content) && (not defined $name)) {   if ((not defined $content) && (not defined $name)) {
     &Apache::lonxml::startredirection();      &Apache::lonxml::startredirection();
  }   }
       } elsif ($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;      return $currentstring;
 }  }
Line 468  sub end_meta { Line 481  sub end_meta {
     return $currentstring;      return $currentstring;
 }  }
   
   sub insert_meta {
       return '
       <meta />';
   }
   
 # accessrule  # accessrule
 sub start_accessrule {  sub start_accessrule {
     my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style) = @_;      my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style) = @_;
     my $currentstring = '';      my $currentstring = '';
     my $eff=&Apache::lonxml::get_param      my $eff  =&Apache::lonxml::get_param('effect',$parstack,$safeeval,undef,1);
  ('effect',$parstack,$safeeval,undef,1);      my $realm=&Apache::lonxml::get_param('realm', $parstack,$safeeval,undef,1);
     my $realm=&Apache::lonxml::get_param      my $role =&Apache::lonxml::get_param('role',  $parstack,$safeeval,undef,1);
  ('realm',$parstack,$safeeval,undef,1);      my $type =&Apache::lonxml::get_param('type',  $parstack,$safeeval,undef,1);
     my $role=&Apache::lonxml::get_param  
  ('role',$parstack,$safeeval,undef,1);      my ($dom,$crs,$sec,$separator);
     $realm=~s/\s+//g;      if ($type eq 'user') {
     $realm=~s/\//\_/g;   ($dom,$crs,$sec)=split(m{/},$realm);
     $realm=~s/^\_//;   $crs = &LONCAPA::clean_username($crs);
     $realm=~s/\W/\;/g;   $separator = '/';
     $role=~s/\s+//g;      } else {
     $role=~s/\//\_/g;   ($dom,$crs,$sec)=split(/\_/,$realm);
     $role=~s/\W/\;/g;   $crs = &LONCAPA::clean_courseid($crs);
    $separator = '_';
       }
       $dom = &LONCAPA::clean_domain($dom);
   
       $sec =~s/\W//;
       $realm = $dom;
       if ($crs =~ /\S/) { $realm .= $separator.$crs; }
       if ($sec =~ /\S/) { $realm .= $separator.$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 523  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 541  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 566  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 1225  sub start_br { Line 1268  sub start_br {
  $signal = 1;   $signal = 1;
     }      }
  }   }
  if ($signal eq 1) {   if ($signal != 1) {
     $currentstring .= ' \vskip 0 mm ';  
  } elsif ($$tagstack[-2] ne 'sub' && $$tagstack[-2] ne 'sup') {  
     $currentstring .= '\strut \\\\ \strut ';      $currentstring .= '\strut \\\\ \strut ';
  } else {                   # Honor break in simple <sup></sup>  
     $currentstring .= '}} \strut \\\\ \strut \ensuremath{^{';   
  }   }
       
     }      }
     return $currentstring;      return $currentstring;
 }  }
Line 1413  sub start_sub { Line 1453  sub start_sub {
     if ($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') {
  $currentstring .= '\ensuremath{_{';   $currentstring .= '\raisebox{-\smallskipamount}{\scriptsize{';
     }       } 
     return $currentstring;      return $currentstring;
 }  }
Line 1436  sub start_sup { Line 1476  sub start_sup {
     if ($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') {
  $currentstring .= '\ensuremath{^{';   $currentstring .= '\raisebox{\smallskipamount}{\scriptsize{';
     }       } 
     return $currentstring;      return $currentstring;
 }  }
Line 1459  sub start_hr { Line 1499  sub start_hr {
     if ($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 1479  sub start_hr { Line 1540  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 $currentstring;
 }  }
Line 1576  sub end_a { Line 1647  sub end_a {
     &Apache::lonxml::get_param('name',$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 1926  sub start_table { Line 2001  sub start_table {
  if ($#Apache::londefdef::table==0) {   if ($#Apache::londefdef::table==0) {
     $textwidth=&recalc($env{'form.textwidth'}); #result is always in mm      $textwidth=&recalc($env{'form.textwidth'}); #result is always in mm
     $textwidth=~/(\d+\.?\d*)/;      $textwidth=~/(\d+\.?\d*)/;
     $textwidth=0.95*$1; #accounts "internal" LaTeX space for table frame      $textwidth=0.85*$1; #accounts "internal" LaTeX space for table frame
  } else {   } else {
     if ($Apache::londefdef::table[-2]{'TeXlen'}[$Apache::londefdef::table[-2]{'row_number'}][$Apache::londefdef::table[-2]{'counter_columns'}]=~/\d/) {      if ($Apache::londefdef::table[-2]{'TeXlen'}[$Apache::londefdef::table[-2]{'row_number'}][$Apache::londefdef::table[-2]{'counter_columns'}]=~/\d/) {
  #the maximum width of nested table is determined by LATeX width of parent cell   #the maximum width of nested table is determined by LATeX width of parent cell
Line 1952  sub start_table { Line 2027  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 1967  sub start_table { Line 2042  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 1994  sub start_table { Line 2068  sub start_table {
         $Apache::londefdef::table[-1]{'minlen'}=[];          $Apache::londefdef::table[-1]{'minlen'}=[];
         $Apache::londefdef::table[-1]{'content'}=[];          $Apache::londefdef::table[-1]{'content'}=[];
         $Apache::londefdef::table[-1]{'align'}=[];          $Apache::londefdef::table[-1]{'align'}=[];
  if (&is_inside_of($tagstack, 'sup')) {  
     $currentstring .= '}} \\\\ \ensuremath{^{ ';  
  }  
  if (&is_inside_of($tagstack, 'sub')) {  
     $currentstring .= '}} \\\\ \ensuremath{_{ ';  
  }  
         $currentstring.=' \keephidden{NEW TABLE ENTRY}';          $currentstring.=' \keephidden{NEW TABLE ENTRY}';
   
   
Line 2013  sub end_table { Line 2081  sub end_table {
     if ($target eq 'web' || $target eq 'webgrade') {      if ($target eq 'web' || $target eq 'webgrade') {
  $currentstring = $token->[2];        $currentstring = $token->[2];     
     } elsif ($target eq 'tex') {      } elsif ($target eq 'tex') {
    my $border =  &Apache::lonxml::get_param('border',$parstack,$safeeval);
  my $inmemory = '';   my $inmemory = '';
  my $output = '';   my $output = '';
  my $WARNING='';   my $WARNING='';
Line 2035  sub end_table { Line 2104  sub end_table {
  $available_space=$available_space-$Apache::londefdef::table[-1]{'TeXlen'}[0][$jn];   $available_space=$available_space-$Apache::londefdef::table[-1]{'TeXlen'}[0][$jn];
     }      }
  }   }
   
         #boundaries for contents columns          #boundaries for contents columns
  my @min_len=();#columns can not be narrower    my @min_len=();#columns can not be narrower 
  my @max_len=();#maximum length of column   my @max_len=();#maximum length of column
  for (my $jn=0;$jn<=$Apache::londefdef::table[-1]{'counter_columns'};$jn++) {   my $avg_max;
    my $avg_min;
    my $counter_cols = $Apache::londefdef::table[-1]{'counter_columns'};
    for (my $jn=0;$jn<=$counter_cols; $jn++) {
  my ($localmin,$localmax)=(0,0);   my ($localmin,$localmax)=(0,0);
  for (my $in=0;$in<=$Apache::londefdef::table[-1]{'row_number'};$in++) {   for (my $in=0;$in<=$Apache::londefdef::table[-1]{'row_number'};$in++) {
     if ($localmin<$Apache::londefdef::table[-1]{'minlen'}[$in][$jn]) {      if ($localmin<$Apache::londefdef::table[-1]{'minlen'}[$in][$jn]) {
Line 2050  sub end_table { Line 2123  sub end_table {
  }   }
  push @min_len, $localmin;   push @min_len, $localmin;
  push @max_len, $localmax;   push @max_len, $localmax;
    $avg_max = $localmax + $avg_max;
    $avg_min = $localmin + $avg_min;
  }   }
  for (my $jn=0;$jn<=$Apache::londefdef::table[-1]{'counter_columns'};$jn++) {   # Does not really matter what the average max/min are if there are no cols.
    # and this prevents div 0 in that case.
   
    if ($counter_cols != 0) {
       $avg_max = $avg_max/$counter_cols;
       $avg_min = $avg_min/$counter_cols;
    }
   
   
    #  I don't think the below is needed.. but just in case:
   
    if ($avg_min > $avg_max) {
       my $temp = $avg_min;
       $avg_min = $avg_max;
       $avg_max = $temp;
    }
   
   
    for (my $jn=0;$jn<=$counter_cols;$jn++) {
     my $localmin=0,;      my $localmin=0,;
     for (my $in=0;$in<=$Apache::londefdef::table[-1]{'row_number'};$in++) {      for (my $in=0;$in<=$Apache::londefdef::table[-1]{'row_number'};$in++) {
  if ($localmin<$Apache::londefdef::table[-1]{'objectlen'}[$in][$jn]) {   if ($localmin<$Apache::londefdef::table[-1]{'objectlen'}[$in][$jn]) {
Line 2070  sub end_table { Line 2163  sub end_table {
  $min_len[$jn]=0;   $min_len[$jn]=0;
  $max_len[$jn]=0;   $max_len[$jn]=0;
     }      }
       #  Spans seem to be really bothered by max/min = 0.  So if we have one
       #  make it an average joe max/min.
       
       if ($max_len[$jn] == 0) {
    $max_len[$jn] = $avg_max;
       }
       if ($min_len[$jn] == 0) {
    $min_len[$jn] = $avg_min;
       }
   
  }   }
        #final adjustment of column width         #final adjustment of column width
  my @fwidth=@{$Apache::londefdef::table[-1]{'TeXlen'}[0]};#final width array   my @fwidth=@{$Apache::londefdef::table[-1]{'TeXlen'}[0]};#final width array
  my @adjust=();   my @adjust=();
         #step 1. adjustment by maximum value          #step 1. adjustment by maximum value
  my $space_neeeded=0;   my $space_needed=0;
  for (my $jn=0;$jn<=$#max_len;$jn++) {   for (my $jn=0;$jn<=$#max_len;$jn++) {
     $space_neeeded=$space_neeeded+$max_len[$jn];      $space_needed=$space_needed+$max_len[$jn];
  }   }
  if ($space_neeeded<=$available_space) {   if ($space_needed<=$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 2087  sub end_table { Line 2191  sub end_table {
     }      }
  } else {   } else {
         #step 2. adjustment by minimum value (estimation)          #step 2. adjustment by minimum value (estimation)
     $space_neeeded=0;      $space_needed=0;
     for (my $jn=0;$jn<=$#min_len;$jn++) {      for (my $jn=0;$jn<=$#min_len;$jn++) {
  $space_neeeded+=$min_len[$jn];   $space_needed+=$min_len[$jn];
     }      }
     if ($space_neeeded>$available_space) {      if ($space_needed>$available_space) {
  $WARNING=' \textbf{NOT ENOUGH SPACE FOR TABLE} ';   $WARNING=' \textbf{NOT ENOUGH SPACE FOR TABLE} ';
  for (my $jn=0;$jn<=$#max_len;$jn++) {   for (my $jn=0;$jn<=$#max_len;$jn++) {
     if ($fwidth[$jn]==0) {      if ($fwidth[$jn]==0) {
Line 2108  sub end_table { Line 2212  sub end_table {
     }      }
  }   }
  if ($how_many_to_scale>0) {   if ($how_many_to_scale>0) {
     my $space_to_adjust=($space_neeeded-$available_space)/$how_many_to_scale;      my $space_to_adjust=($space_needed-$available_space)/$how_many_to_scale;
     foreach my $jn (@to_scale) {      foreach my $jn (@to_scale) {
  for (my $in=0;$in<=$Apache::londefdef::table[-1]{'row_number'};$in++) {   for (my $in=0;$in<=$Apache::londefdef::table[-1]{'row_number'};$in++) {
     $Apache::londefdef::table[-1]{'content'}[$in][$jn]=~m/width\s*=\s*(\d+\.?\d*\s*(mm|cm|in|pc|pt)*)/;      $Apache::londefdef::table[-1]{'content'}[$in][$jn]=~m/width\s*=\s*(\d+\.?\d*\s*(mm|cm|in|pc|pt)*)/;
Line 2130  sub end_table { Line 2234  sub end_table {
  }   }
     } else {      } else {
       #step 3. adjustment over minimal + corrections        #step 3. adjustment over minimal + corrections
  my $enlarge_coef=$available_space/$space_neeeded;   my $enlarge_coef=$available_space/$space_needed;
  my $acsessive=0;   my $acsessive=0;
  for (my $jn=0;$jn<=$#min_len;$jn++) {   for (my $jn=0;$jn<=$#min_len;$jn++) {
     $adjust[$jn]=$min_len[$jn]*$enlarge_coef;      $adjust[$jn]=$min_len[$jn]*$enlarge_coef;
Line 2138  sub end_table { Line 2242  sub end_table {
  $fwidth[$jn]=$max_len[$jn];   $fwidth[$jn]=$max_len[$jn];
  $acsessive=$acsessive+$adjust[$jn]-$max_len[$jn];   $acsessive=$acsessive+$adjust[$jn]-$max_len[$jn];
  $adjust[$jn]=0;   $adjust[$jn]=0;
   
     }      }
  }   }
  if ($acsessive>0) {   if ($acsessive>0) {
Line 2162  sub end_table { Line 2267  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++) {     if ($current == 0) {
  $fwidth[$i]*=$coef;              $current = $Apache::londefdef::table[-1]{'width'};
     }          }
    my $coef=$Apache::londefdef::table[-1]{'width'}/$current;
    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 2192  sub end_table { Line 2300  sub end_table {
     $Apache::londefdef::table[-1]{'content'}=\@cleaned_table;      $Apache::londefdef::table[-1]{'content'}=\@cleaned_table;
     @fwidth=@cleaned_header;      @fwidth=@cleaned_header;
  }   }
   
   
  #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'};
  for (my $in=0;$in<=$#fwidth;$in++) {   for (my $in=0;$in<=$#fwidth;$in++) {
     $header_of_table.='p{'.$fwidth[$in].' mm}'.$Apache::londefdef::table[-1]{'vvinc'};      $header_of_table.='p{'.$fwidth[$in].' mm}'.$Apache::londefdef::table[-1]{'vvinc'};
  }   }
  $header_of_table .= '}';   $header_of_table .= '}';
   
  #fill the table   #fill the table
  for (my $in=0;$in<=$Apache::londefdef::table[-1]{'row_number'};$in++) {   for (my $in=0;$in<=$Apache::londefdef::table[-1]{'row_number'};$in++) {
     my $have_rowspan = 0;      my $have_rowspan = 0;
Line 2208  sub end_table { Line 2319  sub end_table {
  #   single rowspan, columspan and combined row/colspans will   #   single rowspan, columspan and combined row/colspans will
                 #   work correctly.  LaTeX is delicate here.                  #   work correctly.  LaTeX is delicate here.
  #    RF.   #    RF.
   
  # Start a rowspan if necessary:   # Start a rowspan if necessary:
   
    my $primary_col_width = $fwidth[$jn]; # Width of primary column.
  my $rowspan = $Apache::londefdef::table[-1]{'rowspan'}[$in][$jn];   my $rowspan = $Apache::londefdef::table[-1]{'rowspan'}[$in][$jn];
  my $colspan = $Apache::londefdef::table[-1]{'colspan'}[$in][$jn];   my $colspan = $Apache::londefdef::table[-1]{'colspan'}[$in][$jn];
  #   #
  #  Do the appropriate magic if this has a colspan   #  Do the appropriate magic if this has a colspan
  #    # 
   
    my $border_char = "";
    if ($border) {
       $border_char = "|";
    }
    my $spanwidth = 0;
  if ($colspan > 1) {   if ($colspan > 1) {
     my $spanwidth = 0;  
     for (my $spancol = $jn; $spancol < $jn + $colspan; $spancol++) {      for (my $spancol = $jn; $spancol < $jn + $colspan; $spancol++) {
  $spanwidth += $fwidth[$spancol];   $spanwidth += $fwidth[$spancol];
     }      }
Line 2226  sub end_table { Line 2342  sub end_table {
  $colspan   $colspan
  ."}";   ."}";
     if ($Apache::londefdef::table[-1]{'align'}[$in][$jn] eq 'c') {      if ($Apache::londefdef::table[-1]{'align'}[$in][$jn] eq 'c') {
  $output .= '{|c|}{';   $output .= '{'.$border_char.'c'.$border_char.'}{';
     } elsif ($Apache::londefdef::table[-1]{'align'}[$in][$jn] eq 'r') {      } elsif ($Apache::londefdef::table[-1]{'align'}[$in][$jn] eq 'r') {
  $output .= '{|r|}{';   $output .= '{'.$border_char.'r'.$border_char.'}{';
     }      }
     else {      else {
  $output .= "{|p{$spanwidth mm}|}{";   $output .= '{'.$border_char."p{$spanwidth mm}".$border_char.'}{';
     }      }
       
    } else {
       $spanwidth = $primary_col_width; # If no span width will be just colwidth
  }   }
   
  # Rowspan... if colspan is 1, and there's an alignment we'll need   # Rowspan... if colspan is 1, and there's an alignment we'll need
Line 2245  sub end_table { Line 2363  sub end_table {
  if ($rowspan > 1) {   if ($rowspan > 1) {
     if ($colspan == 1) {      if ($colspan == 1) {
  if ($Apache::londefdef::table[-1]{'align'}[$in][$jn] eq 'c') {   if ($Apache::londefdef::table[-1]{'align'}[$in][$jn] eq 'c') {
     $output .= '\multicolumn{1}{|c|}{';      $output .= '\multicolumn{1}{'.$border_char.'c'.$border_char.'}{';
     $multirow_aligned = 1;      $multirow_aligned = 1;
  } elsif ($Apache::londefdef::table[-1]{'align'}[$in][$jn] eq 'r') {   } elsif ($Apache::londefdef::table[-1]{'align'}[$in][$jn] eq 'r') {
     $output .= '\multicolumn{1}{|r|}{';      $output .= '\multicolumn{1}{'.$border_char.'r'.$border_char.'}{';
     $multirow_aligned = 1;      $multirow_aligned = 1;
  }   }
     }      }
     $have_rowspan++;      $have_rowspan++;
     $output .= '\multirow{'.$rowspan.'}[0]{*}{';      if ($multirow_aligned) {
    $output .= '\multirow{'.$rowspan.'}[0]{*}{';
       } else {
    $output .= '\multirow{'.$rowspan."}[0]{$spanwidth mm}{";
       }
           
     $Apache::londefdef::table[-1]{'content'}[$in][$jn] =~      $Apache::londefdef::table[-1]{'content'}[$in][$jn] =~
  s{^\s*\\par\s*}{};   s{^\s*\\par\s*}{};
     $Apache::londefdef::table[-1]{'content'}[$in][$jn] =~      $Apache::londefdef::table[-1]{'content'}[$in][$jn] =~
  s{\s*\\vskip\s*0pt\s*$}{};   s{\s*\\vskip\s*0pt\s*$}{};
     
     #      #
     # If we did not throw in a multicolumn to align, then add       # If we did not throw in a multicolumn to align, then add 
     # an extra {      # an extra {
Line 2273  sub end_table { Line 2395  sub end_table {
  if (($rowspan eq '^') || ($rowspan eq '_')) {   if (($rowspan eq '^') || ($rowspan eq '_')) {
     $have_rowspan++;      $have_rowspan++;
  }   }
  #--------------------------------------------------------------      #--------------------------------------------------------------
   
   
  # For right and center alignment of single cells.   # For right and center alignment of single cells.
Line 2281  sub end_table { Line 2403  sub end_table {
  #   #
  if ($colspan == 1  && $rowspan == 1) {   if ($colspan == 1  && $rowspan == 1) {
     if ($Apache::londefdef::table[-1]{'align'}[$in][$jn] eq 'c') {      if ($Apache::londefdef::table[-1]{'align'}[$in][$jn] eq 'c') {
  $output .= '\multicolumn{1}{|c|}{';   $output .= '\multicolumn{1}{'.$border_char.'c'.$border_char.'}{';
     } elsif ($Apache::londefdef::table[-1]{'align'}[$in][$jn] eq 'r') {      } elsif ($Apache::londefdef::table[-1]{'align'}[$in][$jn] eq 'r') {
  $output .= '\multicolumn{1}{|r|}{';   $output .= '\multicolumn{1}{'.$border_char.'r'.$border_char.'}{';
     }      }
  }   }
   
Line 2518  sub end_td_tex { Line 2640  sub end_td_tex {
   
     my $TeXwidth=&Apache::lonxml::get_param('TeXwidth',$parstack,$safeeval,undef,0);      my $TeXwidth=&Apache::lonxml::get_param('TeXwidth',$parstack,$safeeval,undef,0);
     if (defined $TeXwidth) {      if (defined $TeXwidth) {
  push @ {$Apache::londefdef::table[-1]{'objectlen'}[$Apache::londefdef::table[-1]{'row_number'}] },'0';   for (my $c = 0; $c < $colspan; $c++) {
  push @ {$Apache::londefdef::table[-1]{'minlen'}[$Apache::londefdef::table[-1]{'row_number'}] },'0';      push @ {$Apache::londefdef::table[-1]{'objectlen'}[$Apache::londefdef::table[-1]{'row_number'}] },'0';
  push @ {$Apache::londefdef::table[-1]{'maxlen'}[$Apache::londefdef::table[-1]{'row_number'}] },'0';      push @ {$Apache::londefdef::table[-1]{'minlen'}[$Apache::londefdef::table[-1]{'row_number'}] },'0';
       push @ {$Apache::londefdef::table[-1]{'maxlen'}[$Apache::londefdef::table[-1]{'row_number'}] },'0';
    }
     } else {      } else {
  if (($data=~m/width\s*=\s*(\d+\.?\d*\s*(mm|cm|in|pc|pt)*)/) or ($data=~m/\[(\d+\.?\d*)\s*mm\]/)) {   if (($data=~m/width\s*=\s*(\d+\.?\d*\s*(mm|cm|in|pc|pt)*)/) or ($data=~m/\[(\d+\.?\d*)\s*mm\]/)) {
     my $garbage_data=$data;      my $garbage_data=$data;
Line 2536  sub end_td_tex { Line 2660  sub end_td_tex {
  if ($fwidth<$current_length) {$fwidth=$current_length;}   if ($fwidth<$current_length) {$fwidth=$current_length;}
  $garbage_data=~s/\[(\d+\.?\d*)\s*mm\]//;   $garbage_data=~s/\[(\d+\.?\d*)\s*mm\]//;
     }      }
     push @ {$Apache::londefdef::table[-1]{'TeXlen'}[$Apache::londefdef::table[-1]{'row_number'}] },'0';      for (my $c = 0; $c < $colspan; $c++) {
     push @ {$Apache::londefdef::table[-1]{'objectlen'}[$Apache::londefdef::table[-1]{'row_number'}] },$fwidth;   push @ {$Apache::londefdef::table[-1]{'TeXlen'}[$Apache::londefdef::table[-1]{'row_number'}] },'0';
     push @ {$Apache::londefdef::table[-1]{'minlen'}[$Apache::londefdef::table[-1]{'row_number'}] },'0';   push @ {$Apache::londefdef::table[-1]{'objectlen'}[$Apache::londefdef::table[-1]{'row_number'}] },$fwidth;
     push @ {$Apache::londefdef::table[-1]{'maxlen'}[$Apache::londefdef::table[-1]{'row_number'}] },'0';   push @ {$Apache::londefdef::table[-1]{'minlen'}[$Apache::londefdef::table[-1]{'row_number'}] },'0';
    push @ {$Apache::londefdef::table[-1]{'maxlen'}[$Apache::londefdef::table[-1]{'row_number'}] },'0';
       }
  } elsif ($data=~/\\parbox\{\s*\d+\.?\d*\s*(mm|cm|in|pc|pt)*\s*\}/ or $data=~/\\epsfxsize\s*=\s*\d+\.?\d*\s*(mm|cm|in|pc|pt)*/) {   } elsif ($data=~/\\parbox\{\s*\d+\.?\d*\s*(mm|cm|in|pc|pt)*\s*\}/ or $data=~/\\epsfxsize\s*=\s*\d+\.?\d*\s*(mm|cm|in|pc|pt)*/) {
     my $garbage_data=$data;      my $garbage_data=$data;
     my $fwidth=0;      my $fwidth=0;
Line 2555  sub end_td_tex { Line 2681  sub end_td_tex {
  if ($fwidth<$1) {$fwidth=$1;}   if ($fwidth<$1) {$fwidth=$1;}
  $garbage_data=~s/\\epsfxsize\s*=\s*(\d+\.?\d*\s*(mm|cm|in|pc|pt)*)//;   $garbage_data=~s/\\epsfxsize\s*=\s*(\d+\.?\d*\s*(mm|cm|in|pc|pt)*)//;
     }      }
     push @ {$Apache::londefdef::table[-1]{'TeXlen'}[$Apache::londefdef::table[-1]{'row_number'}] },'0';      for (my $c = 0; $c < $colspan; $c++) {
     push @ {$Apache::londefdef::table[-1]{'objectlen'}[$Apache::londefdef::table[-1]{'row_number'}] },$fwidth;   push @ {$Apache::londefdef::table[-1]{'TeXlen'}[$Apache::londefdef::table[-1]{'row_number'}] },'0';
     push @ {$Apache::londefdef::table[-1]{'minlen'}[$Apache::londefdef::table[-1]{'row_number'}] },'0';   push @ {$Apache::londefdef::table[-1]{'objectlen'}[$Apache::londefdef::table[-1]{'row_number'}] },$fwidth;
     push @ {$Apache::londefdef::table[-1]{'maxlen'}[$Apache::londefdef::table[-1]{'row_number'}] },'0';   push @ {$Apache::londefdef::table[-1]{'minlen'}[$Apache::londefdef::table[-1]{'row_number'}] },'0';
    push @ {$Apache::londefdef::table[-1]{'maxlen'}[$Apache::londefdef::table[-1]{'row_number'}] },'0';
       }
     $data=~s/\\\\\s*$//;       $data=~s/\\\\\s*$//; 
  } else {     } else {  
     $data=~s/^\s+(\S.*)/$1/;       $data=~s/^\s+(\S.*)/$1/; 
Line 2586  sub end_td_tex { Line 2714  sub end_td_tex {
  if ($min_length<$lengthword) {$min_length=$lengthword;}   if ($min_length<$lengthword) {$min_length=$lengthword;}
     }      }
     }      }
     push @ {$Apache::londefdef::table[-1]{'TeXlen'}[$Apache::londefdef::table[-1]{'row_number'}] },'0';      for (my $c = 0; $c < $colspan; $c++) {
     push @ {$Apache::londefdef::table[-1]{'objectlen'}[$Apache::londefdef::table[-1]{'row_number'}] },'0';   push @ {$Apache::londefdef::table[-1]{'TeXlen'}[$Apache::londefdef::table[-1]{'row_number'}] },'0';
     push @ {$Apache::londefdef::table[-1]{'maxlen'}[$Apache::londefdef::table[-1]{'row_number'}] },$current_length;   push @ {$Apache::londefdef::table[-1]{'objectlen'}[$Apache::londefdef::table[-1]{'row_number'}] },'0';
     push @ {$Apache::londefdef::table[-1]{'minlen'}[$Apache::londefdef::table[-1]{'row_number'}] },$min_length;   push @ {$Apache::londefdef::table[-1]{'maxlen'}[$Apache::londefdef::table[-1]{'row_number'}] },$current_length;
    push @ {$Apache::londefdef::table[-1]{'minlen'}[$Apache::londefdef::table[-1]{'row_number'}] },$min_length;
       }
  }           }        
     }      }
     # Substitute all of the tables nested in this cell in their appropriate places.      # Substitute all of the tables nested in this cell in their appropriate places.
Line 2902  sub start_img { Line 3032  sub start_img {
  # And here's where the semi-quote breaks down: allow the user   # And here's where the semi-quote breaks down: allow the user
         # to edit the beast as well by rendering the problem for edit:          # to edit the beast as well by rendering the problem for edit:
     } elsif ($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 3010  sub start_applet { Line 3141  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 3020  sub start_applet { Line 3174  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 $currentstring;
 }  }
Line 4373  sub align_latex_image { Line 4538  sub align_latex_image {
     my ($align, $latex_rendering, $image, $width, $height) = @_;      my ($align, $latex_rendering, $image, $width, $height) = @_;
     my $currentstring;        # The 1/2 wrapped image.      my $currentstring;        # The 1/2 wrapped image.
     my $closure;              # The closure of the wrappage.      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.      #    If there's an alignment specification we need to honor it here.
     #    For the horizontal alignments, we will also honor the      #    For the horizontal alignments, we will also honor the
     #    value of the latex specfication.  The default is parbox,      #    value of the latex specfication.  The default is parbox,
Removed from v.1.354  
changed lines
  Added in v.1.375.2.1

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