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Diff for /loncom/homework/hint.pm between versions 1.2 and 1.19

version 1.2, 2000/12/21 18:13:33 version 1.19, 2001/10/05 17:01:05
Line 2  package Apache::hinttags; Line 2  package Apache::hinttags;
   
 use strict;  use strict;
 use Apache::lonnet;  use Apache::lonnet;
   use capa;
   
 sub BEGIN {  sub BEGIN {
   &Apache::lonxml::register('Apache::hinttags',('hintgroup','hintpart'));    &Apache::lonxml::register('Apache::hinttags',('hintgroup','hintpart','numericalhint'));
 }  }
   
   
   @Apache::hint::which=();
 sub start_hintgroup {  sub start_hintgroup {
   my ($target,$token,$parstack,$parser,$safeeval,$style)=@_;    my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
   my $id=$Apache::inputtags::part;    my $skiptoend='0';
   my $numtries=$Apache::lonhomework::history{"resource.$id.tries"};    my $result;
   if ( $numtries eq '') { $numtries = 0; }    
   my $hinttries=&Apache::lonnet::EXT("resource.$id.hinttries");    if ($target eq 'web') {
   if ( $hinttries eq '') { $hinttries = 1; }      my $id=$Apache::inputtags::part;
   &Apache::lonxml::debug("found :$id:$numtries:$hinttries:");      my $numtries=$Apache::lonhomework::history{"resource.$id.tries"};
   if ( $numtries < $hinttries ) {      if ( $numtries eq '') { $numtries = 0; }
       my $hinttries=&Apache::lonnet::EXT("resource.$id.hinttries");
       if ( $hinttries eq '') { $hinttries = 1; }
       &Apache::lonxml::debug("found :$id:$numtries:$hinttries:");
       if ( $numtries < $hinttries ) {
         $skiptoend='1';
       } else {
         if ($target eq 'web') {$result='<table bgcolor="#dddddd"><tr><td>';}
       }
     }
     if ($skiptoend) {
     &Apache::lonxml::get_all_text("/hintgroup",$$parser[$#$parser]);      &Apache::lonxml::get_all_text("/hintgroup",$$parser[$#$parser]);
   }    }
   return '';    @Apache::hint::which=();
     return $result;
 }  }
   
 sub end_hintgroup {  sub end_hintgroup {
     my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
     my $result;
     
     if ($target eq 'web') {
       my $id=$Apache::inputtags::part;
       my $numtries=$Apache::lonhomework::history{"resource.$id.tries"};
       if ( $numtries eq '') { $numtries = 0; }
       my $hinttries=&Apache::lonnet::EXT("resource.$id.hinttries");
       if ( $hinttries eq '') { $hinttries = 1; }
       &Apache::lonxml::debug("found :$id:$numtries:$hinttries:");
       if ( $numtries >= $hinttries ) {
         $result='</td></tr></table>';
       }
     }
     @Apache::hint::which=();
     return $result;
   }
   
   sub start_numericalhint {
     my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
     #do everything in end, so intervening <responseparams> work
     &Apache::response::start_hintresponse($parstack,$safeeval);
     return '';
   }
   
   sub end_numericalhint {
     my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
     my $result;
     if ($target eq 'web') {
       $safeeval->share_from('capa',['&caparesponse_capa_check_answer']);
       my $name= &Apache::lonxml::get_param('name',$parstack,$safeeval);
       &Apache::response::setup_params('numericalhint');
       my $partid=$Apache::inputtags::part;
       my $id=$Apache::inputtags::response['-1'];
       #id submissions occured under
       my $submitid=$Apache::inputtags::response['-2'];
       my $response = $Apache::lonhomework::history{
       "resource.$partid.$submitid.submission"};
       &Apache::lonxml::debug("hintgroup is using $response<br />\n");
       #build safe space expression
       my $expression="&caparesponse_check_list('".$response."','".
         $$parstack[$#$parstack];
       #need to get all possible parms
       foreach my $key (keys(%Apache::inputtags::params)) {
         $expression.= ';my $'. #'
    $key.'="'.$Apache::inputtags::params{$key}.'"';
       }
       $expression.="');";
       $result = &Apache::run::run($expression,$safeeval);
       &Apache::lonxml::debug("$expression:result:$result:$Apache::lonxml::curdepth");
       my ($awards) = split /:/ , $result;
       my ($ad) = &Apache::inputtags::finalizeawards(split /,/ , $awards);
       if ($ad eq 'EXACT_ANS' || $ad eq 'APPROX_ANS') { push (@Apache::hint::which,$name); }
       $result='';
     } elsif ($target eq 'meta') {
       $result=&Apache::response::meta_package_write('numericalhint');
     }
     &Apache::response::end_hintresponse();
     return $result;
 }  }
   
 # 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 {
   return '';    my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
   my ($target,$token,$parstack,$parser,$safeeval,$style)=@_;  
   
   my $show ='0';    my $show ='0';
   if ($target ne 'meta' && $target ne 'grade') {  
     my $args ='';    if ($target eq 'web') {
     if ( $#$parstack > -1 ) { $args=$$parstack[$#$parstack]; }      my $on= &Apache::lonxml::get_param('on',$parstack,$safeeval);
     my $on = &Apache::run::run("{$args;".'return $on}',$safeeval);      &Apache::lonxml::debug("hintpart sees $on and ,$#Apache::hint::which");
     if ( $on eq 'default') {      if ( $on eq 'default' && $#Apache::hint::which == '-1') {
         $show=1;
     } else {      } else {
       my (%results) = &Apache::run::run("{$args; return ".'\%'.$on,$safeeval);        my $which;
       my $key;        foreach $which (@Apache::hint::which) { if ($which eq $on) { $show = 1; last } }
       foreach $key (keys %results) {  
  &Apache::lonxml::debug("Got $key");  
       }  
     }      }
     if (!$show) {      if (!$show) {
       &Apache::lonxml::get_all_text("/problem",$$parser[$#$parser]);        &Apache::lonxml::get_all_text("/hintpart",$$parser[$#$parser]);
     }      }
   } else {    } elsif ($target eq 'grade') {
     &Apache::lonxml::get_all_text("/problem",$$parser[$#$parser]);      &Apache::lonxml::get_all_text("/hintpart",$$parser[$#$parser]);
   }    }
   return '';    return '';
 }  }
   
 sub end_hintpart {  sub end_hintpart {
     return '';
 }  }
   
 1;  1;
Removed from v.1.2  
changed lines
  Added in v.1.19

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