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Diff for /loncom/xml/londefdef.pm between versions 1.366 and 1.397

version 1.366, 2007/06/05 22:37:58 version 1.397, 2008/11/24 18:55:01
Line 46  use Apache::File(); Line 46  use Apache::File();
 use Image::Magick;  use Image::Magick;
 use Apache::lonmenu();  use Apache::lonmenu();
 use Apache::lonmeta();  use Apache::lonmeta();
   use Apache::lonlocal;
 use Apache::Constants qw(:common);  use Apache::Constants qw(:common);
 use File::Basename;  use File::Basename;
 use LONCAPA();  use LONCAPA();
Line 106  sub start_m { Line 107  sub start_m {
  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') {
     $inside=&Apache::run::evaluate($inside,$safeeval,$$parstack[-1]);      $inside=&Apache::run::evaluate($inside,$safeeval,$$parstack[-1]);
     #&Apache::lonxml::debug("M is evaulated to:$inside:");      #&Apache::lonxml::debug("M is evaluated to:$inside:");
  }   }
  my $tex = $inside;   my $tex = $inside;
  my $display=&Apache::lonxml::get_param('display',$parstack,$safeeval);   my $display=&Apache::lonxml::get_param('display',$parstack,$safeeval);
  $currentstring = &Apache::lontexconvert::converted(\$inside,$display);   $currentstring = &Apache::lontexconvert::converted(\$inside,$display);
  if ($Apache::lontexconvert::errorstring) {   if ($Apache::lontexconvert::errorstring) {
     my $errormsg='<pre>'.&HTML::Entities::encode($Apache::lontexconvert::errorstring,'<>&"').'</pre> occured while attempting to convert this TeX: <pre>';      my $errormsg='<pre>'.&HTML::Entities::encode($Apache::lontexconvert::errorstring,'<>&"').'</pre> occurred while attempting to convert this TeX: <pre>';
     $tex = &HTML::Entities::encode($tex,'<>&"');      $tex = &HTML::Entities::encode($tex,'<>&"');
     my ($linenumber) =      my ($linenumber) =
  ($Apache::lontexconvert::errorstring =~ /Line (\d+)/);   ($Apache::lontexconvert::errorstring =~ /Line (\d+)/);
Line 138  sub start_m { Line 139  sub start_m {
  # detect simple math mode entry exits, and convert them   # detect simple math mode entry exits, and convert them
         # to use \ensuremath ... unless there's a \verb inside.          # to use \ensuremath ... unless there's a \verb inside.
  if (! ($currentstring=~/\\verb/)) {   if (! ($currentstring=~/\\verb/)) {
     if ($currentstring=~/^\s*\$[^\$].*[^\$]\$\s*$/) {      if ($currentstring=~/^\s*\$[^\$].*\$\s*$/) {
  $currentstring=~s/^(\s*)\$/$1/;   $currentstring=~s/^(\s*)\$/$1/;
  $currentstring=~s/\$(\s*)$/$1/;   $currentstring=~s/\$(\s*)$/$1/;
  $currentstring='\ensuremath{'.$currentstring.'}';   $currentstring='\ensuremath{'.$currentstring.'}';
Line 200  sub start_html { Line 201  sub start_html {
                           '\usepackage[dvips]{graphicx}'.                            '\usepackage[dvips]{graphicx}'.
   '\usepackage{wrapfig}'.    '\usepackage{wrapfig}'.
   '\usepackage{picins}'.    '\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{epsfig}'.
                           '\usepackage{calc}'.                            '\usepackage{calc}'.
                           '\usepackage{amsmath}'.                            '\usepackage{amsmath}'.
                           '\usepackage{amssymb}'.                            '\usepackage{amssymb}'.
                           '\usepackage{amsfonts}'.                            '\usepackage{amsfonts}'.
                           '\usepackage{amsthm}'.                            '\usepackage{amsthm}'.
                           '\usepackage{amscd}'.                            '\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}}'.  
           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}}';                            '\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}}';
     }      }
     return $currentstring;      return $currentstring;
Line 448  sub start_meta { Line 462  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 471  sub end_meta { Line 495  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 498  sub start_accessrule { Line 537  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 554  sub start_body { Line 593  sub start_body {
   
  if ($env{'request.state'} ne 'published') {   if ($env{'request.state'} ne 'published') {
     $currentstring.=&Apache::lonmenu::constspaceform();      $currentstring.=&Apache::lonmenu::constspaceform();
     $currentstring.=(<<EDITBUTTON);      $currentstring.=&Apache::londefdef::edit_controls();
 <form method="post">  
 <input type="submit" name="editmode" accesskey="e" value="Edit" />  
 </form>  
 <br />  
 EDITBUTTON  
  }   }
  $currentstring.=&Apache::lonxml::message_location();   $currentstring.=&Apache::lonxml::message_location();
     } elsif ($target eq 'tex') {      } elsif ($target eq 'tex') {
Line 568  EDITBUTTON Line 602  EDITBUTTON
     return $currentstring;      return $currentstring;
 }  }
   
   sub edit_controls {
       my $result .= '
   <form method="post">
   <div class="LC_edit_problem_header">
   <div class="LC_edit_problem_header_row1">'.
   &Apache::lonxml::renderingoptions().'
   <input type="submit" name="changeproblemmode" value="'.&mt('Change View').'" />
   </div>
   <div class="LC_edit_problem_header_edit_row"><input type="submit" name="editmode" accesskey="e" value="'.&mt('Edit').'" /></div></div>
   </form>
   <br />';
       return $result;
   }
   
 sub end_body {  sub end_body {
     my ($target,$token,$tagstack,$parstack,$parser,$safeeval) = @_;      my ($target,$token,$tagstack,$parstack,$parser,$safeeval) = @_;
     my $currentstring = &end_p(); # Close off unclosed <p>      my $currentstring = &end_p(); # Close off unclosed <p>
Line 1243  sub start_br { Line 1291  sub start_br {
  $signal = 1;   $signal = 1;
     }      }
  }   }
  if ($signal eq 1) {   if ($signal != 1) {
     $currentstring .= ' \vskip 0 mm ';  
  } else {  
     $currentstring .= '\strut \\\\ \strut ';      $currentstring .= '\strut \\\\ \strut ';
  }   }
           
Line 1557  sub start_div { Line 1603  sub start_div {
     }       } 
     if ($target eq 'tex') {      if ($target eq 'tex') {
  # 4 possible alignments: left, right, center, and -missing-.   # 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 = '';   my $endstring = '';
   
Line 1567  sub start_div { Line 1616  sub start_div {
     $endstring      = '\end{center}';      $endstring      = '\end{center}';
     if (&is_inside_of($tagstack, "table")) {      if (&is_inside_of($tagstack, "table")) {
  $currentstring = &center_correction().$currentstring;   $currentstring = &center_correction().$currentstring;
    $endstring    .= &center_end_correction(); 
     }      }
  }   }
  elsif ($align eq 'right') {   elsif ($align eq 'right') {
Line 1622  sub end_a { Line 1672  sub end_a {
     &Apache::lonxml::get_param('href',$parstack,$safeeval,undef,1);      &Apache::lonxml::get_param('href',$parstack,$safeeval,undef,1);
  my $name =   my $name =
     &Apache::lonxml::get_param('name',$parstack,$safeeval,undef,1);      &Apache::lonxml::get_param('name',$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;      $href =~ s/([^\\])%/$1\\\%/g;
     # Substitute special symbols... and allow line breaks at each /      # Substitute special symbols... and allow line breaks at each /
     #      #
     $href = &Apache::lonxml::latex_special_symbols($href);      $href = &Apache::lonxml::latex_special_symbols($href);
     $href =~ s/\//\/\\-/g;              # Map / to /\- to allow hyphenation.      $href =~ s/\//\/\\-/g;              # Map / to /\- to allow hyphenation.
     $currentstring .= ' ({\tt URI:'.$href.'})';      $currentstring .= ' ({\tt URI:'.$href.'})';
  } elsif ($name =~ /\S/) {   } elsif (($name =~ /\S/) && ($anchorprint=~/^on|anchorprint|yes|1$/i)) {
     $currentstring .= ' ({\tt Anchor:'.&Apache::lonxml::latex_special_symbols($name).'})';      $currentstring .= ' ({\tt Anchor:'.&Apache::lonxml::latex_special_symbols($name).'})';
  } else {   } else {
     $currentstring.='';      $currentstring.='';
Line 1972  sub start_table { Line 2026  sub start_table {
     if ($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') {
    &disable_para(); # Can't have paras in a table.
  push(@Apache::londefdef::table, {});    push(@Apache::londefdef::table, {}); 
  $Apache::londefdef::table[-1]{'row_number'} = -1;   $Apache::londefdef::table[-1]{'row_number'} = -1;
         #maximum table's width (default coincides with text line length)          #maximum table's width (default coincides with text line length)
Line 2058  sub end_table { Line 2113  sub end_table {
     if ($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='';
         #width of columns from TeXwidth attributes          #width of columns from TeXwidth attributes
   
    # Protect against unbalanced </table> tag.
   
    if (scalar(@Apache::londefdef::table) > 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++) {
     for (my $jn=0;$jn<=$Apache::londefdef::table[-1]{'counter_columns'};$jn++) {      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][$jn]) {   if ($Apache::londefdef::table[-1]{'TeXlen'}[0][$jn]<$Apache::londefdef::table[-1]{'TeXlen'}[$in][$jn]) {
Line 2154  sub end_table { Line 2214  sub end_table {
  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) {
Line 2167  sub end_table { Line 2227  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 2188  sub end_table { Line 2248  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 2210  sub end_table { Line 2270  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 2250  sub end_table { Line 2310  sub end_table {
  for (my $i=0;$i<=$#fwidth;$i++) {     for (my $i=0;$i<=$#fwidth;$i++) {  
     $current+=$fwidth[$i];      $current+=$fwidth[$i];
  }   }
    if ($current == 0) {
               $current = $Apache::londefdef::table[-1]{'width'};
           }
  my $coef=$Apache::londefdef::table[-1]{'width'}/$current;   my $coef=$Apache::londefdef::table[-1]{'width'}/$current;
  for (my $i=0;$i<=$#fwidth;$i++) {     for (my $i=0;$i<=$#fwidth;$i++) {  
     $fwidth[$i]*=$coef;      $fwidth[$i]*=$coef;
Line 2302  sub end_table { Line 2365  sub end_table {
  #  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;   my $spanwidth = 0;
  if ($colspan > 1) {   if ($colspan > 1) {
     for (my $spancol = $jn; $spancol < $jn + $colspan; $spancol++) {      for (my $spancol = $jn; $spancol < $jn + $colspan; $spancol++) {
Line 2311  sub end_table { Line 2378  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 {   } else {
Line 2332  sub end_table { Line 2399  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;      $multirow_aligned = 1;
  }   }
     }      }
Line 2372  sub end_table { Line 2439  sub end_table {
  #   #
  if ($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 2458  sub end_table { Line 2525  sub end_table {
     pop @Apache::londefdef::table;      pop @Apache::londefdef::table;
     undef @Apache::londefdef::table;      undef @Apache::londefdef::table;
  }   }
    }
    &enable_para();
     }      }
     return $currentstring;      return $currentstring;
 }  }
Line 2957  sub start_img { Line 3026  sub start_img {
   
  # &Apache::lonxml::debug("LaTeX rendering = $latex_rendering image file: $src");   # &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 $origsrc=$src;
  my ($path,$file) = &get_eps_image($src);   my ($path,$file) = &get_eps_image($src);
  # &Apache::lonnet::logthis("Image source: $src result: $path $file");   # &Apache::lonnet::logthis("Image source: $src result: $path $file");
Line 3001  sub start_img { Line 3070  sub start_img {
  # And here's where the semi-quote breaks down: allow the user   # And here's where the semi-quote breaks down: allow the user
         # to edit the beast as well by rendering the problem for edit:          # to edit the beast as well by rendering the problem for edit:
     } elsif ($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 3022  sub start_img { Line 3092  sub start_img {
  my $width=  &Apache::lonxml::get_param('width',$parstack,$safeeval);   my $width=  &Apache::lonxml::get_param('width',$parstack,$safeeval);
  my $height= &Apache::lonxml::get_param('height',$parstack,$safeeval);   my $height= &Apache::lonxml::get_param('height',$parstack,$safeeval);
   
           if ($token->[2]{'src'}=~/\$/) {
  $currentstring .= '<img src="'.$src.'" alt="'.$alt.'" ';             $currentstring.='Variable image source';
  if ($width) { $currentstring.=' width="'.$width.'" '; }          } else {
  if ($height) { $currentstring.=' height="'.$height.'" '; }     $currentstring .= '<img src="'.$src.'" alt="'.$alt.'" ';
  $currentstring .= ' />';     if ($width) { $currentstring.=' width="'.$width.'" '; }
      if ($height) { $currentstring.=' height="'.$height.'" '; }
      $currentstring .= ' />';
           }
     } elsif ($target eq 'modified') {      } elsif ($target eq 'modified') {
  my ($osrc,$owidth,$oheight)=   my ($osrc,$owidth,$oheight)=
     ($token->[2]{'src'},$token->[2]{'width'},$token->[2]{'height'});      ($token->[2]{'src'},$token->[2]{'width'},$token->[2]{'height'});
Line 4231  sub image_replication { Line 4304  sub image_replication {
     }      }
     return '';      return '';
 }  }
 #  
 #   Get correct sizing parameter for an image given  
 #   it's initial ht. and wid.  This allows sizing of  
 #   images that are generated on-the-fly (e.g. gnuplot)  
 #   as well as serving as a utility for image_size.  
 #   
 #  Parameter:  
 #        height_param  
 #        width_param    - Initial picture dimensions.  
 #        scaling        - A scale factor.  
 #        parstack,      - the current stack of tag attributes   
 #                         from the xml parser  
 #        safeeval,      - pointer to the safespace  
 #        depth,         - from what level in the stack to look for attributes  
 #                         (assumes -1 if unspecified)  
 #        cis            - look for attrubutes case insensitively  
 #                         (assumes false)  
 #  
 # Returns:  
 #   height, width   - new dimensions.  
 #  
 sub resize_image {  sub resize_image {
     my ($height_param, $width_param, $scaling,      my ($height_param, $width_param, $scaling,
  $parstack, $safeeval, $depth, $cis) = @_;   $parstack, $safeeval, $depth, $cis) = @_;
Line 4354  sub get_eps_image { Line 4409  sub get_eps_image {
  &Apache::lonnet::repcopy($orig_src); # Failure is not completely fatal.   &Apache::lonnet::repcopy($orig_src); # Failure is not completely fatal.
     }      }
     &Apache::lonxml::debug("get_eps_image: Original image: $orig_src");      &Apache::lonxml::debug("get_eps_image: Original image: $orig_src");
     my ($spath, $sname, $sext) = &fileparse($src, qr/\.(gif|png|jpg|jpeg)/i);      my ($spath, $sname, $sext) = &fileparse($src, qr/\.(bmp|gif|png|jpg|jpeg)/i);
     $src=~s/\.(gif|png|jpg|jpeg)$/\.eps/i;      $src=~s/\.(bmp|gif|png|jpg|jpeg)$/\.eps/i;
     $src=&Apache::lonnet::filelocation($Apache::lonxml::pwd[-1],$src);      $src=&Apache::lonnet::filelocation($Apache::lonxml::pwd[-1],$src);
     &Apache::lonxml::debug("Filelocation gives: $src");      &Apache::lonxml::debug("Filelocation gives: $src");
     if (! -e $src) {      if (! -e $src) {
Line 4416  sub eps_generation { Line 4471  sub eps_generation {
     my $temp_file = Apache::File->new('>>'.$filename);       my $temp_file = Apache::File->new('>>'.$filename); 
     print $temp_file "$src\n";      print $temp_file "$src\n";
     my $newsrc = $src;      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/httpd/html/res}{};
     $newsrc=~s{/home/($LONCAPA::username_re)/public_html/}{/$1/};      $newsrc=~s{/home/($LONCAPA::username_re)/public_html/}{/$1/};
     $newsrc=~s{/\./}{/};      $newsrc=~s{/\./}{/};
Line 4441  sub file_path { Line 4496  sub file_path {
     }       } 
     return $file,$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 {  sub recalc {
     my $argument = shift;      my $argument = shift;
     if (not $argument=~/(mm|cm|in|pc|pt)/) {return $argument.' mm';}      if (not $argument=~/(mm|cm|in|pc|pt)/) {return $argument.' mm';}
Line 4489  sub LATEX_length { Line 4541  sub LATEX_length {
     return $value;      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 {  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,
Line 4562  sub align_latex_image { Line 4608  sub align_latex_image {
     return ($currentstring, $closure);      return ($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 {  sub is_inside_of {
     my ($tagstack, $tag) = @_;      my ($tagstack, $tag) = @_;
     my @stack = @$tagstack;      my @stack = @$tagstack;
Line 4584  sub is_inside_of { Line 4621  sub is_inside_of {
 }  }
   
   
   =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;  1;
 __END__  __END__
Removed from v.1.366  
changed lines
  Added in v.1.397

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