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Diff for /loncom/homework/hint.pm between versions 1.13 and 1.14

version 1.13, 2001/06/02 03:59:59 version 1.14, 2001/08/06 17:12:29
Line 1 Line 1
   # The LON-CAPA hint handler.
   #
   # Handles the displaying of hints.
   #
   # YEAR=2000
   # 12/19,12/21 Guy Albertelli
   # YEAR=2001
   # 1/4,1/5,1/22,2/7,2/19,3/31,4/5,4/10,5/31,6/2 Guy Albertelli
   # 8/6 Scott Harrison
   
 package Apache::hinttags;   package Apache::hinttags; 
   
 use strict;  use strict;
 use Apache::lonnet;  use Apache::lonnet;
 use capa;  use capa;
   
   # ======================================================================= BEGIN
 sub BEGIN {  sub BEGIN {
   &Apache::lonxml::register('Apache::hinttags',('hintgroup','hintpart','numericalhint'));    &Apache::lonxml::register('Apache::hinttags',('hintgroup','hintpart',
    'numericalhint'));
 }  }
   
   @Apache::hint::which = ();
   
 @Apache::hint::which=();  # ============================================================ Start hint group
 sub start_hintgroup {  sub start_hintgroup {
   my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;      my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
   my $skiptoend='0';      my $skiptoend = '0';
   my $result;      my $result;
         if ($target eq 'web') {
   if ($target eq 'web') {   my $id = $Apache::inputtags::part;
     my $id=$Apache::inputtags::part;   my $numtries = $Apache::lonhomework::history{"resource.$id.tries"};
     my $numtries=$Apache::lonhomework::history{"resource.$id.tries"};   if ( $numtries eq '') { $numtries = 0; }
     if ( $numtries eq '') { $numtries = 0; }   my $hinttries = &Apache::lonnet::EXT("resource.$id.hinttries");
     my $hinttries=&Apache::lonnet::EXT("resource.$id.hinttries");   if ( $hinttries eq '') { $hinttries = 1; }
     if ( $hinttries eq '') { $hinttries = 1; }   &Apache::lonxml::debug("found :$id:$numtries:$hinttries:");
     &Apache::lonxml::debug("found :$id:$numtries:$hinttries:");   if ( $numtries < $hinttries ) {
     if ( $numtries < $hinttries ) {      $skiptoend = '1';
       $skiptoend='1';   } else {
     } else {      if ($target eq 'web') {
       if ($target eq 'web') {$result='<table bgcolor="#dddddd"><tr><td>';}   $result = '<table bgcolor="#dddddd"><tr><td>';
       }
    }
       }
       if ($skiptoend) {
    &Apache::lonxml::get_all_text("/hintgroup",$$parser[$#$parser]);
     }      }
   }      @Apache::hint::which = ();
   if ($skiptoend) {      return $result;
     &Apache::lonxml::get_all_text("/hintgroup",$$parser[$#$parser]);  
   }  
   @Apache::hint::which=();  
   return $result;  
 }  }
   
   # ============================================================== End hint group
 sub end_hintgroup {  sub end_hintgroup {
   my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;      my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
   my $result;      my $result;
       if ($target eq 'web') {
   if ($target eq 'web') {   my $id = $Apache::inputtags::part;
     my $id=$Apache::inputtags::part;   my $numtries=$Apache::lonhomework::history{"resource.$id.tries"};
     my $numtries=$Apache::lonhomework::history{"resource.$id.tries"};   if ( $numtries eq '') { $numtries = 0; }
     if ( $numtries eq '') { $numtries = 0; }   my $hinttries=&Apache::lonnet::EXT("resource.$id.hinttries");
     my $hinttries=&Apache::lonnet::EXT("resource.$id.hinttries");   if ( $hinttries eq '') { $hinttries = 1; }
     if ( $hinttries eq '') { $hinttries = 1; }   &Apache::lonxml::debug("found :$id:$numtries:$hinttries:");
     &Apache::lonxml::debug("found :$id:$numtries:$hinttries:");   if ( $numtries => $hinttries ) {
     if ( $numtries => $hinttries ) {      if ($target eq 'web') {$result = '</td></tr></table>';}
       if ($target eq 'web') {$result='</td></tr></table>';}   }
     }      }
   }      @Apache::hint::which = '';
   @Apache::hint::which='';      return $result;
   return $result;  
 }  }
   
   # ======================================================== Start numerical hint
 sub start_numericalhint {  sub start_numericalhint {
   #do everything in end, so intervening <responseparams> work      #do everything in end, so intervening <responseparams> work
   return '';      return '';
 }  }
   
   # ========================================================== End numerical hint
 sub end_numericalhint {  sub end_numericalhint {
   my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;      my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
   my $result;      my $result;
   if ($target eq 'web') {      if ($target eq 'web') {
     $safeeval->share_from('capa',['&caparesponse_capa_check_answer']);   $safeeval->share_from('capa',['&caparesponse_capa_check_answer']);
     my $name= &Apache::lonxml::get_param('name',$parstack,$safeeval);   my $name = &Apache::lonxml::get_param('name',$parstack,$safeeval);
     my $response = $Apache::lonhomework::history{"resource.$Apache::inputtags::part.$Apache::inputtags::response['-1'].submission"};   my $response = $Apache::lonhomework::history{'resource.'.
     &Apache::lonxml::debug("hintgroup is using $response<br />\n");         $Apache::inputtags::part.'.'.
     my $expression="&caparesponse_check_list('".$response."','".         $Apache::inputtags::response['-1'].'.submission'};
       $$parstack[$#$parstack].   &Apache::lonxml::debug("hintgroup is using $response<br />\n");
  ';my $tol="'.$Apache::inputtags::params{'tol'}.'"'.   my $expression = "&caparesponse_check_list('".$response."','".
  ';my $sig="'.$Apache::inputtags::params{'sig'}.'"'.                    $$parstack[$#$parstack].
   "');";                   ';my $tol="'.$Apache::inputtags::params{'tol'}.'"'.
     $result = &Apache::run::run($expression,$safeeval);                   ';my $sig="'.$Apache::inputtags::params{'sig'}.'"'.
     &Apache::lonxml::debug("$expression:result:$result:$Apache::lonxml::curdepth");           "');";
     my ($awards) = split /:/ , $result;   $result = &Apache::run::run($expression,$safeeval);
     my ($ad) = &Apache::inputtags::finalizeawards(split /,/ , $awards);   &Apache::lonxml::debug("$expression:result:$result:".
     if ($ad eq 'EXACT_ANS' || $ad eq 'APPROX_ANS') { push (@Apache::hint::which,$name); }         $Apache::lonxml::curdepth);
     $result='';   my ($awards) = split /:/, $result;
   }   my ($ad) = &Apache::inputtags::finalizeawards(split /,/ , $awards);
   return $result;   if ($ad eq 'EXACT_ANS' || $ad eq 'APPROX_ANS') {
       push (@Apache::hint::which,$name); }
    $result = '';
       }
       return $result;
 }  }
   
   # ======================================================= Starting part of hint
 # a part shows if it is on, if no specific parts are on, then default shows  # a part shows if it is on, if no specific parts are on, then default shows
 sub start_hintpart {  sub start_hintpart {
   my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;      my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
       my $show ='0';
   my $show ='0';      if ($target eq 'web') {
    my $on= &Apache::lonxml::get_param('on',$parstack,$safeeval);
   if ($target eq 'web') {   &Apache::lonxml::debug("hintpart sees $on and ,$#Apache::hint::which");
     my $on= &Apache::lonxml::get_param('on',$parstack,$safeeval);   if ( $on eq 'default' && $#Apache::hint::which == '-1') {
     &Apache::lonxml::debug("hintpart sees $on and ,$#Apache::hint::which");      $show=1;
     if ( $on eq 'default' && $#Apache::hint::which == '-1') {   } else {
       $show=1;      my $which;
     } else {      foreach $which (@Apache::hint::which) {
       my $which;   if ($which eq $on) { $show = 1; last } }
       foreach $which (@Apache::hint::which) { if ($which eq $on) { $show = 1; last } }   }
     }   if (!$show) {
     if (!$show) {      &Apache::lonxml::get_all_text("/hintpart",$$parser[$#$parser]);
       &Apache::lonxml::get_all_text("/hintpart",$$parser[$#$parser]);   }
       } elsif ($target eq 'grade') {
    &Apache::lonxml::get_all_text("/hintpart",$$parser[$#$parser]);
     }      }
   } elsif ($target eq 'grade') {      return '';
     &Apache::lonxml::get_all_text("/hintpart",$$parser[$#$parser]);  
   }  
   return '';  
 }  }
   
   # ========================================================= Ending part of hint
 sub end_hintpart {  sub end_hintpart {
   return '';    return '';
 }  }
   
 1;  1;
   
 __END__  __END__
Removed from v.1.13  
changed lines
  Added in v.1.14

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