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Diff for /loncom/homework/radiobuttonresponse.pm between versions 1.153.6.4 and 1.153.6.5

version 1.153.6.4, 2012/01/23 12:00:13 version 1.153.6.5, 2012/01/24 12:05:12
Line 31  use HTML::Entities(); Line 31  use HTML::Entities();
 use Apache::lonlocal;  use Apache::lonlocal;
 use Apache::lonnet;  use Apache::lonnet;
 use Apache::response;  use Apache::response;
   use Apache::caparesponse;
   
 my $default_bubbles_per_line = 10;  my $default_bubbles_per_line = 10;
 my @alphabet      = ( 'A' .. 'Z' ); # Foil labels.  my @alphabet      = ( 'A' .. 'Z' ); # Foil labels.
Line 375  sub format_prior_answer { Line 376  sub format_prior_answer {
 }  }
   
 ##  ##
 sub displayallfoils {  sub displayallfoils{
     my ( $direction, $target ) = @_;      my ( $direction, $target ) = @_;
     my $result;      my $result;
     &Apache::lonxml::debug("survey style display");      &Apache::lonxml::debug("survey style display");
Line 384  sub displayallfoils { Line 385  sub displayallfoils {
         @names = @{ $Apache::response::foilgroup{'names'} };          @names = @{ $Apache::response::foilgroup{'names'} };
     }      }
   
       # Figure out how to bracket the list of foils for
       # the TeX target:
       #
   
       my $begin_environment;
       my $end_environment;
       
       if ($target eq 'tex') {
   
    # Decide how to bracket the list of foils:
   
   
           if (   $env{'form.pdfFormFields'} eq 'yes'
               && $Apache::inputtags::status[-1] eq 'CAN_ANSWER' )
           {
               $begin_environment = '\begin{itemize}';
       $end_environment   = '\end{itemize}';
           }
           else {
               $begin_environment = '\begin{enumerate}';
       $end_environment   = '\end{enumerate}';
           }
    $result .= $begin_environment;
       }
   
     my $temp = 0;      my $temp = 0;
     my $i    = 0;      my $i    = 0;
     my $id   = $Apache::inputtags::response['-1'];      my $id   = $Apache::inputtags::response['-1'];
Line 536  sub displayallfoils { Line 562  sub displayallfoils {
     if ( ( $direction eq 'horizontal' ) && ( $target ne 'tex' ) ) {      if ( ( $direction eq 'horizontal' ) && ( $target ne 'tex' ) ) {
         $result .= '</tr></table>';          $result .= '</tr></table>';
     }      }
   
       # Close tex bracketing:
   
       if ($target eq 'tex') {
    $result .= $end_environment;
       }
     return $result;      return $result;
 }  }
   
Line 934  sub display_foils_html { Line 966  sub display_foils_html {
 ##  ##
 #  Display foils in exam mode for latex  #  Display foils in exam mode for latex
 #  #
 # @param $whichfoils - Reference to an array that contains the foil names to display  # @param $whichfoils       - Reference to an array that contains the foil names to display
 # @param $bubbles_per_line - Number of bubbles on a line.  # @param $bubbles_per_line - Number of bubbles on a line.
   # @param $direction        - Rendering direction 'horizontal' is what we're looking for.
   # @param $vbegin           - Start latex fragment in vertical rendering.
   # @param $vend             - End latex fragmentin vertical rendering.
 #  #
 # @return string  # @return string
 # @return the latex rendering of the exam problem.  # @return the latex rendering of the exam problem.
 #  #
 # @note The direction is not honored for exams.   The lines reflect the number of  
 #       bubbles on an exam sheet.  
 #  #
 sub display_latex_exam {  sub display_latex_exam {
     my ($whichfoils, $bubbles_per_line) = @_;      my ($whichfoils, $bubbles_per_line, $direction, $vbegin, $vend) = @_;
     my $result;      my $result;
     my $numlines;      my $numlines;
     my $bubble_number = 0;      my $bubble_number = 0;
     my $line          = 0;      my $line          = 0;
     my $i             = 0;      my $i             = 0;
   
     # This section puts out the prefix that tells the user      &Apache::lonnet::logthis("LaTeX exam:  $direction  $vbegin $vend");
     # (if necessary) to only choose one bubble in the next n lines  
     # for problems with more than one line worth of bubbles in the grid sheet:      if ($direction eq  'horizontal') {
   
     my $numitems = scalar( @{$whichfoils} );   # Marshall the display text for each foil and turn things over to
     $numlines = int( $numitems / $bubbles_per_line );   # Apache::response::make_horizontal_bubbles:
     if ( ( $numitems % $bubbles_per_line ) != 0 ) {  
  $numlines++;   my @foil_texts;
     }   foreach my $name (@{$whichfoils}) {
     if ( $numlines < 1 ) {      push(@foil_texts, $Apache::response::foilgroup{$name . '.text'});
  $numlines = 1;  
     }  
     if ( $numlines > 1 ) {  
  my $linetext;  
  for ( my $i = 0 ; $i < $numlines ; $i++ ) {  
     $linetext .= $Apache::lonxml::counter + $i . ', ';  
  }   }
  $linetext =~ s/,\s$//;   $result .= &Apache::caparesponse::make_horizontal_latex_bubbles(
  $result .=      $whichfoils, \@foil_texts, '$\bigcirc$');
     '\item[\small {\textbf{'  
     . $linetext . '}}]'  
     . ' {\footnotesize '  
     . &mt( '(Bubble once in [_1] lines)', $numlines )  
     . '} \hspace*{\fill} \\\\';  
     }  
     else {  
  $result .= '\item[\textbf{' . $Apache::lonxml::counter . '}.]';  
     }  
   
     # Now output the bubbles themselves:  
   
     foreach my $name (@{$whichfoils}) {      } else {
  if ( $bubble_number >= $bubbles_per_line ) {   $result .= $vbegin;
     $line++;  
     $i             = 0;   # This section puts out the prefix that tells the user
     $bubble_number = 0;   # (if necessary) to only choose one bubble in the next n lines
    # for problems with more than one line worth of bubbles in the grid sheet:
   
    my $numitems = scalar( @{$whichfoils} );
    $numlines = int( $numitems / $bubbles_per_line );
    if ( ( $numitems % $bubbles_per_line ) != 0 ) {
       $numlines++;
    }
    if ( $numlines < 1 ) {
       $numlines = 1;
  }   }
  my $identifier;  
  if ( $numlines > 1 ) {   if ( $numlines > 1 ) {
     $identifier = $Apache::lonxml::counter + $line;      my $linetext;
       for ( my $i = 0 ; $i < $numlines ; $i++ ) {
    $linetext .= $Apache::lonxml::counter + $i . ', ';
       }
       $linetext =~ s/,\s$//;
       $result .=
    '\item[\small {\textbf{'
    . $linetext . '}}]'
    . ' {\footnotesize '
    . &mt( '(Bubble once in [_1] lines)', $numlines )
    . '} \hspace*{\fill} \\\\';
  }   }
  $result .=   else {
     '{\small \textbf{'      $result .= '\item[\textbf{' . $Apache::lonxml::counter . '}.]';
     . $identifier   }
     . $alphabet[$i]  
     . '}}$\bigcirc$'   # Now output the bubbles themselves:
     . $Apache::response::foilgroup{ $name . '.text' }  
  . '\\\\';    #' stupid emacs -- it thinks it needs that apostrophe to close the quote   foreach my $name (@{$whichfoils}) {
       if ( $bubble_number >= $bubbles_per_line ) {
    $line++;
    $i             = 0;
    $bubble_number = 0;
       }
       my $identifier;
       if ( $numlines > 1 ) {
    $identifier = $Apache::lonxml::counter + $line;
       }
       $result .=
    '{\small \textbf{'
    . $identifier
    . $alphabet[$i]
    . '}}$\bigcirc$'
    . $Apache::response::foilgroup{ $name . '.text' }
       . '\\\\';    #' stupid emacs -- it thinks it needs that apostrophe to close the quote
       
       $i++;
       $bubble_number++;
    }
    $result .= $vend
   
  $i++;      }
  $bubble_number++;  
     }  
       
     return $result;  
   
       return $result;
       
 }  }
   
 ##  ##
Line 1036  sub display_latex { Line 1090  sub display_latex {
   
   
 ##  ##
   #  Render foils for a PDF form. This is a variant of tex rednering that provides
   #  sufficient markup that the final PDF is a form that can be filled in online,
   #  or offline.
   #
   # @param $whichfoils - References an array of foils to display in the order in which
   #                     they should be displayed.
   # @param $direction  - Rendering direction.  'horiztonal' means inputs are laid out
   #                      horizontally otherwise they are stacked vertically.
   #
   # @return string
   # @retval String containing the rendering of the resource.
   #
   sub display_pdf_form {
       my ($whichfoils) = @_;
       my $temp = 0;
       my $result;
   
       foreach my $name ( @{$whichfoils} ) {
   
    my $fieldname =
       $env{'request.symb'} 
    . '&part_'
       . $Apache::inputtags::part
       . '&radiobuttonresponse'
       . '&HWVAL_'
       . $Apache::inputtags::response['-1'];
    $result .= '\item[{'
       . &Apache::lonxml::print_pdf_radiobutton( $fieldname,
         $temp )
       . '}]'
       . $Apache::response::foilgroup{ $name . '.text' }
    . "\n";
   
    $temp++;
       }
   
       return $result;
   }
   
   
   ##
   # Display selected foils:  This is really just a dispatchter to appropriate renderers
   #  
   # @param $target   - Target (e.g. 'tex'...).
   # @param $answer   - True if answers should be shown.
   # @param $whichfoils - Array of foil selectors that indicate which foils shouild be
   #                      rendered, in rendering order.
   # @param $direction- Rendering direction ('horizontal' is the one we look for,
   #                    otherwise foils are rendered one per line vertically.
   # @param $bubbles_per_line - number of exam bubbles per line.
   #
   # @return string
   # @retval The rendered problem.
   
 sub displayfoils {  sub displayfoils {
     my ( $target, $answer, $whichfoils, $direction, $bubbles_per_line ) = @_;      my ( $target, $answer, $whichfoils, $direction, $bubbles_per_line ) = @_;
Line 1092  sub displayfoils { Line 1199  sub displayfoils {
   
  if ( ( $Apache::lonhomework::type eq 'exam' ) )   if ( ( $Apache::lonhomework::type eq 'exam' ) )
  {   {
     $result .= $begin_environment;      $result .= &display_latex_exam(
     $result .= &display_latex_exam($whichfoils, $bubbles_per_line);   $whichfoils, $bubbles_per_line, $direction, $begin_environment, 
     $result .= $end_environment;   $end_environment);
   
     $result .= '\vskip 0mm ';      $result .= '\vskip 0mm ';
           
  } else {       } else {    
Line 1107  sub displayfoils { Line 1215  sub displayfoils {
     && ($Apache::inputtags::status[-1] eq 'CAN_ANSWER'))      && ($Apache::inputtags::status[-1] eq 'CAN_ANSWER'))
     {      {
  $result .= $begin_environment;   $result .= $begin_environment;
  foreach my $name ( @{$whichfoils} ) {   $result .= &display_pdf_form($whichfoils, $direction);
       
     my $fieldname =  
  $env{'request.symb'}   
         . '&part_'  
  . $Apache::inputtags::part  
  . '&radiobuttonresponse'  
  . '&HWVAL_'  
  . $Apache::inputtags::response['-1'];  
     $result .= '\item[{'  
  . &Apache::lonxml::print_pdf_radiobutton( $fieldname,  
   $temp )  
  . '}]'  
  . $Apache::response::foilgroup{ $name . '.text' }  
     . "\n";  
       
     $temp++;  
  }  
  $result .= $end_environment;   $result .= $end_environment;
     } else {      } else {
  $result .= &display_latex(   $result .= &display_latex(
Removed from v.1.153.6.4  
changed lines
  Added in v.1.153.6.5

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