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- moved whichuser() from lonhomework to lonxml so I don't have to check for it's existance

    1: # The LearningOnline Network with CAPA
    2: # various response type definitons response definition
    3: 
    4: # 11/23,11/24,11/28 Gerd Kortemeyer
    5: # Guy Albertelli
    6: # 08/04,08/07 Gerd Kortemeyer
    7: 
    8: package Apache::response;
    9: use strict;
   10: 
   11: sub BEGIN {
   12:   &Apache::lonxml::register('Apache::response',('responseparam','caparesponse','numericalresponse','stringresponse','radiobuttonresponse','optionresponse','imageresponse','essayresponse','dataresponse'));
   13: }
   14: 
   15: sub start_response {
   16:   my ($parstack,$safeeval)=@_;
   17:   my $id= &Apache::lonxml::get_param('id',$parstack,$safeeval);
   18:   if ($id eq '') { $id = $Apache::lonxml::curdepth; }
   19:   push (@Apache::inputtags::response,$id);
   20:   push (@Apache::inputtags::responselist,$id);
   21:   @Apache::inputtags::inputlist=();
   22:   return $id;
   23: }
   24: 
   25: sub end_response {
   26:   pop @Apache::inputtags::response;
   27:   @Apache::inputtags::inputlist=();
   28:   return '';
   29: }
   30: 
   31: sub start_hintresponse {
   32:   my ($parstack,$safeeval)=@_;
   33:   my $id= &Apache::lonxml::get_param('id',$parstack,$safeeval);
   34:   if ($id eq '') { $id = $Apache::lonxml::curdepth; }
   35:   push (@Apache::inputtags::response,$id);
   36:   return $id;
   37: }
   38: 
   39: sub end_hintresponse {
   40:   pop @Apache::inputtags::response;
   41:   return '';
   42: }
   43: 
   44: # used by response to set the non-safe space random number generator to something
   45: # that is stable and unique based on the part number and response number
   46: sub setrandomnumber {
   47:   my $rndseed=&Apache::lonnet::rndseed();
   48:   &Apache::lonxml::debug("randseed $rndseed");
   49: #  $rndseed=unpack("%32i",$rndseed);
   50:   $rndseed=$rndseed
   51:     +(&Apache::lonnet::numval($Apache::inputtags::part) << 10);
   52:   if (defined($Apache::inputtags::response['-1'])) {
   53:     $rndseed=$rndseed
   54:       +&Apache::lonnet::numval($Apache::inputtags::response['-1']);
   55:   }
   56:   srand($rndseed);
   57:   &Apache::lonxml::debug("randseed $rndseed");
   58:   return '';
   59: }
   60: 
   61: sub meta_parameter_write {
   62:     my ($name,$type,$default,$display)=@_;
   63:     my $partref=$Apache::inputtags::part;
   64:     my $result='<parameter part="'.$Apache::inputtags::part.'"';
   65:     if (defined($Apache::inputtags::response[-1])) {
   66:       $result.=            ' id="'.$Apache::inputtags::response[-1].'"';
   67:       $partref.='_'.$Apache::inputtags::response[-1];
   68:     }
   69:     $result.=            ' name="'.$name.'"'.
   70:                          ' type="'.$type.'"'.
   71: ($default?' default="'.$default.'"':'').
   72: ($display?' display="'.$display.' [Part: '.$partref.']"':'')
   73:              .'></parameter>'
   74:              ."\n";
   75:     return $result;
   76: }
   77: 
   78: sub meta_package_write {
   79:     my $name=shift;
   80:     my $result = '<parameter part="'.$Apache::inputtags::part.'"';
   81:     if(defined($Apache::inputtags::response[-1])) {
   82:       $result.=              ' id="'.$Apache::inputtags::response[-1].'"';
   83:     }
   84:     $result.=' package="'.$name.'"></parameter>'."\n";
   85:     return $result;
   86: }
   87: 
   88: sub meta_stores_write {
   89:     my ($name,$type,$display)=@_;
   90:     my $partref=$Apache::inputtags::part;
   91:     my $result = '<stores part="'.$Apache::inputtags::part.'"';
   92:     if (defined($Apache::inputtags::response[-1])) {
   93:       $result.=           ' id="'.$Apache::inputtags::response[-1].'"';
   94:       $partref.='_'.$Apache::inputtags::response[-1];
   95:     }	
   96:     $result.=          ' name="'.$name.'"'.
   97:                        ' type="'.$type.'"'.
   98: 	            ' display="'.$display.' [Part: '.$partref.']"'.
   99: 		      "></stores>\n";
  100: }
  101: 
  102: sub mandatory_part_meta {
  103: #
  104: # Autogenerate metadata for mandatory
  105: # input (from RAT or lonparmset) and 
  106: # output (to lonspreadsheet)
  107: # of each part
  108: #
  109:  return
  110: #    &meta_parameter_write('opendate','date_start','',
  111: #                          'Opening Date').
  112: #    &meta_parameter_write('duedate','date_end','',
  113: #                          'Due Date').
  114: #    &meta_parameter_write('answerdate','date_start','',
  115: #                          'Show Answer Date').
  116: #    &meta_parameter_write('weight','int_zeropos','',
  117: #                          'Available Points').
  118: #    &meta_parameter_write('maxtries','int_pos','',
  119: #                          'Maximum Number of Tries').
  120:     &meta_package_write('part').
  121:     &meta_stores_write('solved','string',
  122:                           'Problem Status').
  123:     &meta_stores_write('tries','int_zeropos',
  124:                           'Number of Attempts').
  125:     &meta_stores_write('awarded','float',
  126: 		          'Partial Credit Factor');
  127: #
  128: # Note: responseid-specific data 'submission' and 'awarddetail'
  129: # not available to spreadsheet -> skip here
  130: #
  131: }
  132: 
  133: sub check_for_previous {
  134:   my ($curresponse,$partid,$id) = @_;
  135:   my %previous;
  136:   $previous{'used'} = 0;
  137:   foreach my $key (reverse(sort(keys(%Apache::lonhomework::history)))) {
  138:     if ($key =~ /resource\.$partid\.$id\.submission/) {
  139:       &Apache::lonxml::debug("Trying $key");
  140:       my $pastresponse=$Apache::lonhomework::history{$key};
  141:       if ($pastresponse eq $curresponse) {
  142: 	$previous{'used'} = 1;
  143: 	my $history;
  144: 	if ( $key =~ /^(\d+):/ ) {
  145: 	  $history=$1;
  146: 	  $previous{'award'} = $Apache::lonhomework::history{"$history:resource.$partid.$id.awarddetail"};
  147: 	  $previous{'last'}='0';
  148: 	} else {
  149: 	  $previous{'award'} = $Apache::lonhomework::history{"resource.$partid.$id.awarddetail"};
  150: 	  $previous{'last'}='1';
  151: 	}
  152: 	if (! $previous{'award'} ) { $previous{'award'} = 'UNKNOWN';	}
  153: 	&Apache::lonxml::debug("got a match :$previous{'award'}:$previous{'used'}:");
  154: 	last;
  155:       }
  156:     }
  157:   }
  158:   return %previous;
  159: }
  160: 
  161: sub start_caparesponse {
  162:   require Apache::caparesponse; 
  163:   import Apache::caparesponse; 
  164:   my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
  165: #  print "\n<br />\nsimple caparesponse\n";
  166:   return &Apache::caparesponse::start_caparesponse($target,$token,$tagstack,$parstack,$parser,$safeeval,$style);
  167: }
  168: 
  169: sub start_stringresponse {
  170:   require Apache::caparesponse;
  171:   import Apache::caparesponse;
  172:   my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
  173:   return &Apache::caparesponse::start_stringresponse($target,$token,$tagstack,$parstack,$parser,$safeeval,$style);
  174: }
  175: 
  176: sub start_numericalresponse {
  177:   require Apache::caparesponse; 
  178:   import Apache::caparesponse; 
  179:   my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
  180:   return &Apache::caparesponse::start_numericalresponse
  181:     ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style);
  182: }
  183: 
  184: sub start_radiobuttonresponse {
  185:   require Apache::radiobuttonresponse; 
  186:   import Apache::radiobuttonresponse; 
  187:   my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
  188:   return &Apache::radiobuttonresponse::start_radiobuttonresponse($target,$token,$tagstack,$parstack,$parser,$safeeval,$style);
  189: }
  190: 
  191: sub start_optionresponse {
  192:   require Apache::optionresponse; 
  193:   import Apache::optionresponse; 
  194:   my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
  195:   return &Apache::optionresponse::start_optionresponse($target,$token,$tagstack,$parstack,$parser,$safeeval,$style);
  196: }
  197: 
  198: sub start_imageresponse {
  199:   require Apache::imageresponse; 
  200:   import Apache::imageresponse; 
  201:   my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
  202:   return &Apache::imageresponse::start_imageresponse($target,$token,$tagstack,$parstack,$parser,$safeeval,$style);
  203: }
  204: 
  205: sub start_essayresponse {
  206:   require Apache::essayresponse; 
  207:   import Apache::essayresponse; 
  208:   my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
  209:   return &Apache::essayresponse::start_essayresponse($target,$token,$tagstack,$parstack,$parser,$safeeval,$style);
  210: }
  211: 
  212: sub view_or_modify {
  213:   my ($symb,$courseid,$domain,$name) = &Apache::lonxml::whichuser();
  214:   my $myself=0;
  215:   if ( ($name eq $ENV{'user.name'}) && ($domain eq $ENV{'user.domain'}) ) {
  216:     $myself=1;
  217:   }
  218:   my $vgr=&Apache::lonnet::allowed('vgr',$courseid);
  219:   my $mgr=&Apache::lonnet::allowed('vgr',$courseid);
  220:   if ($mgr) { return "M"; }
  221:   if ($vgr) { return "V"; }
  222:   if ($myself) { return "V"; }
  223:   return '';
  224: }
  225: 
  226: sub start_dataresponse {
  227:   my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
  228:   my $id = &Apache::response::start_response($parstack,$safeeval);
  229:   my $result;
  230:   if ($target eq 'web') {
  231:     $result = $token->[2]->{'display'}.':';
  232:   } elsif ($target eq 'meta') {
  233:     $result = &Apache::response::meta_stores_write($token->[2]->{'name'},
  234: 						   $token->[2]->{'type'},
  235: 						   $token->[2]->{'display'});
  236:     $result .= &Apache::response::meta_package_write('dataresponse');
  237:   }
  238:   return $result;
  239: }
  240: 
  241: sub end_dataresponse {
  242:   my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
  243:   my $result;
  244:   if ( $target eq 'web' ) {
  245:   } elsif ($target eq 'grade' ) {
  246:     if ( defined $ENV{'form.submitted'}) {
  247:       my ($symb,$courseid,$domain,$name)=&Apache::lonxml::whichuser();
  248:       my $allowed=&Apache::lonnet::allowed('mgr',$courseid);
  249:       if ($allowed) {
  250: 	&Apache::response::setup_params('datasubmission');
  251: 	my $partid = $Apache::inputtags::part;
  252: 	my $id = $Apache::inputtags::response['-1'];
  253: 	my $response = $ENV{'form.HWVAL'.$id};
  254: 	my $name = &Apache::lonxml::get_param('name',$parstack,$safeeval);
  255: 	if ( $response =~ /[^\s]/) {
  256: 	  $Apache::lonhomework::results{"resource.$partid.$id.$name"}=
  257: 	    $response;
  258: 	  $Apache::lonhomework::results{
  259: 					"resource.$partid.$id.submission"}=
  260: 					  $response;
  261: 	  $Apache::lonhomework::results{
  262: 					"resource.$partid.$id.awarddetail"}=
  263: 					  'SUBMITTED';
  264: 	}
  265:       } else {
  266: 	$result='Not Permitted to change values.'
  267:       }
  268:     }
  269:   }
  270:   &Apache::response::end_response;
  271:   return $result;
  272: }
  273: 
  274: sub start_responseparam {
  275:   my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
  276:   my $result='';
  277:   if ($target eq 'meta') {
  278:     $result = &meta_parameter_write($token->[2]->{'name'},
  279: 				    $token->[2]->{'type'},
  280: 				    $token->[2]->{'default'},
  281: 				    $token->[2]->{'description'});
  282:   } elsif ($target eq 'edit') {
  283:     $result.=&Apache::edit::tag_start($target,$token,
  284: 				      &Apache::lonxml::description($token));
  285:     $result.=&Apache::edit::text_arg('Name:','name',$token).
  286:       &Apache::edit::text_arg('Type:','type',$token).
  287: 	&Apache::edit::text_arg('Description:','description',$token).
  288: 	  &Apache::edit::text_arg('Default:','default',$token).
  289: 	    "</td></tr>";
  290:     $result.=&Apache::edit::end_table;
  291:   } elsif ($target eq 'modified') {
  292:     my $constructtag=&Apache::edit::get_new_args($token,$parstack,$safeeval,
  293: 						 'name','type','description',
  294: 						 'default');
  295:     if ($constructtag) {
  296:       $result = &Apache::edit::rebuild_tag($token);
  297:       $result.=&Apache::edit::handle_insert();
  298:     }
  299:   }
  300:   return $result;
  301: }
  302: 
  303: sub end_responseparam {
  304:   my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
  305:   if ($target eq 'edit') { return ('','no'); }
  306:   return '';
  307: }
  308: 
  309: sub setup_params {
  310:   my ($tag) = @_;
  311: 
  312:   @Apache::inputtags::params=();
  313:   my %paramlist=();
  314:   foreach my $key (keys(%Apache::lonnet::packagetab)) {
  315:     if ($key =~ /^$tag/) {
  316:       my ($package,$name) = split(/&/,$key);
  317:       $paramlist{$name}=1;
  318:     }
  319:   }
  320:   foreach my $key (keys(%paramlist)) {
  321:     my $entry= 'resource.'.$Apache::inputtags::part;
  322:     if (defined($Apache::inputtags::response[-1])) {
  323:       $entry.='_'.$Apache::inputtags::response[-1];
  324:     }
  325:     $entry.='.'.$key;
  326:     &Apache::lonxml::debug("looking for $entry");
  327:     my $value = &Apache::lonnet::EXT("$entry");
  328:     &Apache::lonxml::debug("$key has value :$value:");
  329:     if ($value eq 'con_lost' || $value =~ /^error:/) {
  330:       &Apache::lonxml::debug("using nothing");
  331:       $Apache::inputtags::params{$key}='';
  332:     } else {
  333:       &Apache::lonxml::debug("using value");
  334:       $Apache::inputtags::params{$key}=$value;
  335:     }
  336:   }
  337: }
  338: 
  339: 1;
  340: __END__
  341: