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Diff for /loncom/homework/structuretags.pm between versions 1.63 and 1.66

version 1.63, 2001/08/20 16:15:54 version 1.66, 2001/08/22 19:21:36
Line 63  sub page_start { Line 63  sub page_start {
   return ($result,$head_tag_start,$body_tag_start);    return ($result,$head_tag_start,$body_tag_start);
 }  }
   
   sub initialize_storage {
     %Apache::lonhomework::results=();
     my ($symb,$courseid,$domain,$name) = &Apache::lonxml::whichuser();
     %Apache::lonhomework::history=
       &Apache::lonnet::restore($symb,$courseid,$domain,$name);
     #ignore error conditions
     my ($temp)=keys %Apache::lonhomework::history ;
     if ($temp =~ m/^error:.*/) { %Apache::lonhomework::history=(); }
   }
   
   # -------------------------------------------------------------finalize_storage
   # Stores away the result has to a student's environment
   # checks form.grade_ for specific values, other wises stores
   # to the running users environment
   sub finalize_storage {
     my $result;
     my ($temp) = keys %Apache::lonhomework::results;
     if ( $temp ne '' ) {
       my ($symb,$courseid,$domain,$name) = &Apache::lonxml::whichuser();
       $result=&Apache::lonnet::cstore(\%Apache::lonhomework::results,
       $symb,$courseid,$domain,$name);
       &Apache::lonxml::debug("Store return message:".$result);
     }
     return $result;
   }
   
   sub checkout_msg {
   return (<<ENDCHECKOUT);
   <h2>The resource needs to be checked out</h2>
   As a resource gets checked out, a unique timestamped ID is given to it, and a
   permanent record is left in the system.<p />
   <font color=red>
   Checking out resources is subject to course policies, and may exclude future
   credit even if done erroneously.<p />
   </font>  
   <form method=post>
   <input type=button name="doescheckout" 
   value="Check out Exam for Viewing" 
   onClick="if (confirm('Check out Exam?')) { this.form.submit(); }" />
   </form>
   ENDCHECKOUT
   }
   
 sub start_problem {  sub start_problem {
   my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;    my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
   
Line 70  sub start_problem { Line 113  sub start_problem {
   $Apache::inputtags::part='0';    $Apache::inputtags::part='0';
   @Apache::inputtags::responselist = ();    @Apache::inputtags::responselist = ();
   @Apache::inputtags::previous=();    @Apache::inputtags::previous=();
     &initialize_storage();
   $Apache::lonhomework::type=&Apache::lonnet::EXT('resource.0.type');    $Apache::lonhomework::type=&Apache::lonnet::EXT('resource.0.type');
   &Apache::lonxml::debug("Found this to be of type :$Apache::lonhomework::type:");    &Apache::lonxml::debug("Found this to be of type :$Apache::lonhomework::type:");
   if ($Apache::lonhomework::type eq '') {    if ($Apache::lonhomework::type eq '') {
Line 83  sub start_problem { Line 127  sub start_problem {
     }      }
   }    }
   
 #adeed vars to the scripting enviroment  #added vars to the scripting enviroment
   my $expression='$external::part='.$Apache::inputtags::part.';';    my $expression='$external::part='.$Apache::inputtags::part.';';
   &Apache::run::run($expression,$safeeval);    &Apache::run::run($expression,$safeeval);
   my $status;    my $status;
Line 102  sub start_problem { Line 146  sub start_problem {
           }            }
           $body_tag_start.=&Apache::lonxml::printtokenheader($target,$token);            $body_tag_start.=&Apache::lonxml::printtokenheader($target,$token);
       }        }
       if ($target eq 'meta') {  
        
   return (<<ENDSTORES);  
 <stores part="0" name="outtoken" type="string"   
  display="Document ID checked out"></stores>  
 <stores part="0" name="checkouttime" type="date"  
  display="Time checked out"></stores>  
 <stores part="0" name="outremote" type="string"   
  display="Client IP checked out from"></stores>  
   
 <stores part="0" name="intoken" type="string"   
  display="Document ID checked in"></stores>  
 <stores part="0" name="checkintime" type="date"  
  display="Time checked in"></stores>  
 <stores part="0" name="inremote" type="string"   
  display="Client IP checked in from"></stores>  
 ENDSTORES  
       }  
   }    }
   if ($target eq 'web' || $target eq 'grade') {    if ($target eq 'web' || $target eq 'grade') {
     ($status,$accessmsg) = &Apache::lonhomework::check_access('0');      ($status,$accessmsg) = &Apache::lonhomework::check_access('0');
Line 138  ENDSTORES Line 164  ENDSTORES
         if ($status eq 'CLOSED') {          if ($status eq 'CLOSED') {
     $msg.='The problem '.$accessmsg;      $msg.='The problem '.$accessmsg;
  } elsif ($status eq 'UNCHECKEDOUT') {   } elsif ($status eq 'UNCHECKEDOUT') {
             $msg.=(<<ENDCHECKOUT);              $msg.=&checkout_msg;
 <h2>The resource needs to be checked out</h2>  
 As a resource gets checked out, a unique timestamped ID is given to it, and a  
 permanent record is left in the system.<p />  
 <font color=red>  
 Checking out resources is subject to course policies, and may exclude future  
 credit even if done erroneously.<p />  
 </font>    
 <form method=post>  
 <input type=button name="doescheckout"   
 value="Check out Exam for Viewing"   
 onClick="if (confirm('Check out Exam?')) { this.form.submit(); }" />  
 </form>  
 ENDCHECKOUT  
         }          }
  return $result.$msg.'<br />';   return $result.$msg.'<br />';
       }        }
Line 174  ENDCHECKOUT Line 187  ENDCHECKOUT
  $result.='<input type="hidden" name="problemmode" value="View" />   $result.='<input type="hidden" name="problemmode" value="View" />
                  <input type="submit" name="problemmode" value="Edit" /><hr />';                   <input type="submit" name="problemmode" value="Edit" /><hr />';
       }        }
         # if we are viewing someone else preserve that info
         if (defined $ENV{'form.grade_symb'}) {
    foreach my $field ('symb','courseid','domain','username') {
     $result .= '<input type="hidden" name="grade_'.$field.
       '" value="'.$ENV{"form.grade_$field"}.'" />'."\n";
    }
         }
       return $result;        return $result;
     } elsif ($status eq 'SHOW_ANSWER' || $status eq 'CANNOT_ANSWER' || $status eq 'CLOSED') {      } elsif ($status eq 'SHOW_ANSWER' || $status eq 'CANNOT_ANSWER' || $status eq 'CLOSED') {
       return $result.$head_tag_start."<title>$name</title></head>\n$body_tag_start\n";        return $result.$head_tag_start."<title>$name</title></head>\n$body_tag_start\n";
Line 222  sub end_problem { Line 242  sub end_problem {
       }        }
       $result.=&Apache::lonxml::xmlend();        $result.=&Apache::lonxml::xmlend();
     }      }
   }      if ($target eq 'grade') { 
   if ($target eq 'meta') {        &Apache::lonhomework::showhash(%Apache::lonhomework::results);
         &finalize_storage();
       }
     } elsif ($target eq 'meta') {
     if ($Apache::inputtags::part eq '0') {      if ($Apache::inputtags::part eq '0') {
       $result=&Apache::response::mandatory_part_meta;        $result=&Apache::response::mandatory_part_meta;
     }      }
   }    } elsif ($target eq 'edit') {
   if ($target eq 'edit') {  
     &Apache::lonxml::debug("in end_problem with $target, edit");      &Apache::lonxml::debug("in end_problem with $target, edit");
     $result='<br /><input type="submit" name="submit" value="Submit Changes" />';      $result='<br /><input type="submit" name="submit" value="Submit Changes" />';
   }    }
Removed from v.1.63  
changed lines
  Added in v.1.66

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