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- stopeed accepting " in tag arguments
- check if we need to hadnle insert for tags that have changed args

    1: # The LearningOnline Network with CAPA
    2: # caparesponse definition
    3: 
    4: package Apache::caparesponse;
    5: use strict;
    6: use capa;
    7: 
    8: sub BEGIN {
    9:   &Apache::lonxml::register('Apache::caparesponse',('caparesponse','numericalresponse'));
   10: }
   11: 
   12: sub start_caparesponse {
   13:   my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
   14:   my $id = &Apache::response::start_response($parstack,$safeeval);
   15:   return '';
   16: }
   17: 
   18: sub end_caparesponse {
   19:   my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
   20:   my $result = '';
   21:   if ( $target eq 'grade' ) {
   22:     if ( defined $ENV{'form.submitted'}) {
   23:       $safeeval->share_from('capa',['&caparesponse_capa_check_answer']);
   24:       my $response = $ENV{'form.HWVAL'.$Apache::inputtags::response['-1']};
   25:       if ( $response =~ /[^\s]/) {
   26: 	my $id = $Apache::inputtags::response['-1'];
   27: 	my $previous= &Apache::response::check_for_previous($response,$id,$response);
   28: 	if ( $previous ) { 
   29: 	  $result = 'PREVIOUSLY_USED';
   30: 	} else {
   31: 	  $Apache::lonhomework::results{"resource.$Apache::inputtags::part.$id.submission"}=$response;
   32: 	  &Apache::lonxml::debug("submitted a $response<br>\n");
   33: 	  &Apache::lonxml::debug($$parstack[$#$parstack] . "\n<br>");
   34: 	  my $expression="&caparesponse_check('".$response."','".
   35: 	    $$parstack[$#$parstack].
   36: 	      ';my $tol="'.$Apache::inputtags::params{'tol'}.'"'.
   37: 		';my $sig="'.$Apache::inputtags::params{'sig'}.'"'.
   38: 		  "');";
   39: 	  $result = &Apache::run::run($expression,$safeeval);
   40: 	  my ($ad) = split /:/ , $result;
   41: 	  $Apache::lonhomework::results{"resource.$Apache::inputtags::part.$id.awarddetail"}=$ad;
   42: 	  &Apache::lonxml::debug("$expression");
   43: 	  &Apache::lonxml::debug("\n<br>result:$result:$Apache::lonxml::curdepth<br>\n");
   44: 	}
   45:       }
   46:     }
   47:   } elsif ($target eq 'web') {
   48:     #$result .= "The correct answer is ".&Apache::run::run("{$$parstack['-1'];".'return $answer}',$safeeval)."\n";
   49:   }
   50:   #Apache::lonxml::debug("\n<br>\nreal end caparesponse<br>\n");
   51:   &Apache::response::end_response;
   52:   return '';
   53: }
   54: 
   55: sub start_numericalresponse {
   56:   my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
   57:   my $id = &Apache::response::start_response($parstack,$safeeval);
   58:   my $result;
   59:   if ($target eq 'edit') {
   60:     $result.=&Apache::edit::tag_start($target,$token,&Apache::lonxml::description($token));
   61:     $result.=&Apache::edit::text_arg('Answer:','answer',$token).
   62:       &Apache::edit::text_arg('Unit:','unit',$token).'</td></tr><tr><td colspan="3">';
   63:   } elsif ($target eq 'modified') {
   64:     my $constructtag=&Apache::edit::get_new_args($token,$parstack,$safeeval,
   65: 						 'answer','unit');
   66:     if ($constructtag) {
   67:       $result = &Apache::edit::rebuild_tag($token);
   68:       $result.=&Apache::edit::handle_insert();
   69:     }
   70:   }
   71:   return $result;
   72: }
   73: 
   74: sub end_numericalresponse {
   75:   my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
   76:   my $result = '';
   77:   if ( $target eq 'grade' ) {
   78:     if ( defined $ENV{'form.submitted'}) {
   79:       $safeeval->share_from('capa',['&caparesponse_capa_check_answer']);
   80:       my $response = $ENV{'form.HWVAL'.$Apache::inputtags::response['-1']};
   81:       if ( $response =~ /[^\s]/) {
   82: 	my $id = $Apache::inputtags::response['-1'];
   83: 	my $previous= &Apache::response::check_for_previous($response,$id,$response);
   84: 	if ( $previous ) { 
   85: 	  $result = 'PREVIOUSLY_USED';
   86: 	} else {
   87: 	  $Apache::lonhomework::results{"resource.$Apache::inputtags::part.$id.submission"}=$response;
   88: 	  &Apache::lonxml::debug("submitted a $response<br>\n");
   89: 	  &Apache::lonxml::debug($$parstack[$#$parstack] . "\n<br>");
   90: 	  $response =~ s/\\/\\\\/g;
   91: 	  $response =~ s/\'/\\\'/g;
   92: 	  &Apache::lonxml::debug("current $response");
   93: 	  my $expression="&caparesponse_check_list('".$response."','".
   94: 	    $$parstack[$#$parstack].
   95: 	      ';my $tol="'.$Apache::inputtags::params{'tol'}.'"'.
   96: 	      ';my $sig="'.$Apache::inputtags::params{'sig'}.'"'.
   97: 		"');";
   98: 	  $result = &Apache::run::run($expression,$safeeval);
   99: 	  my ($awards) = split /:/ , $result;
  100: 	  my ($ad) = &Apache::inputtags::finalizeawards(split /,/ , $awards);
  101: 	  $Apache::lonhomework::results{"resource.$Apache::inputtags::part.$id.awarddetail"}=$ad;
  102: 	  &Apache::lonxml::debug("$expression");
  103: 	  &Apache::lonxml::debug("\n<br>result:$result:$Apache::lonxml::curdepth<br>\n");
  104: 	  $result='';
  105: 	}
  106:       }
  107:     }
  108:   } elsif ($target eq 'web') {
  109:     my $award = $Apache::lonhomework::history{"resource.$Apache::inputtags::part.solved"};
  110:     my $status = $Apache::inputtags::status['-1'];
  111:     if ($award =~ /^correct/ || $status eq "SHOW_ANSWER" ) {
  112:       my $answervar=&Apache::run::run("{$$parstack['-1'];".'return $answer}',$safeeval);
  113:       my (@answers)=&Apache::run::run("$answervar",$safeeval);
  114:       my $unit=&Apache::run::run("{$$parstack['-1'];".'return $unit}',$safeeval);
  115:       
  116:       $result="<br></br>The computer got ";
  117:       my $answer;
  118:       foreach $answer (@answers) { $result.="$answer,"; }
  119:       chop $result;
  120:       $result.=" $unit.<br></br>";
  121:     }
  122:   } elsif ($target eq 'edit') {
  123:     $result.='</td></tr>'.&Apache::edit::end_table;
  124:   }
  125:   &Apache::response::end_response;
  126:   return $result;
  127: }
  128: 
  129: 1;
  130: __END__
  131: