Diff for /loncom/homework/bridgetask.pm between versions 1.32 and 1.99

version 1.32, 2005/05/27 17:08:03 version 1.99, 2006/01/30 21:01:46
Line 36  use Apache::File(); Line 36  use Apache::File();
 use Apache::lonmenu;  use Apache::lonmenu;
 use Apache::lonlocal;  use Apache::lonlocal;
 use Apache::lonxml;  use Apache::lonxml;
   use Apache::slotrequest();
 use Time::HiRes qw( gettimeofday tv_interval );  use Time::HiRes qw( gettimeofday tv_interval );
   
 BEGIN {  BEGIN {
Line 59  sub initialize_bridgetask { Line 60  sub initialize_bridgetask {
 }  }
   
 sub proctor_check_auth {  sub proctor_check_auth {
     my ($slot_name,$slot)=@_;      my ($slot_name,$slot,$type)=@_;
     my $user=$env{'form.proctorname'};      my $user=$env{'form.proctorname'};
     my $domain=$env{'form.proctordomain'};      my $domain=$env{'form.proctordomain'};
           
Line 67  sub proctor_check_auth { Line 68  sub proctor_check_auth {
     foreach my $possible (@allowed) {      foreach my $possible (@allowed) {
  my ($puser,$pdom)=(split('@',$possible));   my ($puser,$pdom)=(split('@',$possible));
  if ($puser eq $user && $pdom eq $domain) {   if ($puser eq $user && $pdom eq $domain) {
     my $authhost=&Apache::lonnet::authenticate($puser,$env{'form.proctorpassword'},$pdom);      my $authenticated=0;
     if ($authhost ne 'no_host') {      if ( $slot->{'secret'} =~ /\S/ &&
    $env{'form.proctorpassword'} eq $slot->{'secret'} ) {
    $authenticated=1;
       } else {
   
    my $authhost=&Apache::lonnet::authenticate($puser,$env{'form.proctorpassword'},$pdom);
    if ($authhost ne 'no_host') {
       $authenticated=1;
    }
       }
       if ($authenticated && $type eq 'Task') {
    # increment version
  my $version=   my $version=
     $Apache::lonhomework::results{'resource.version'}=      $Apache::lonhomework::history{'resource.0.version'};
     ++$Apache::lonhomework::history{'resource.version'};   $version++;
  $Apache::lonhomework::results{"resource.$version.checkedin"}=  
     $user.'@'.$domain;   #clean out all current results
  $Apache::lonhomework::results{"resource.$version.checkedin.slot"}=  
     $slot_name;  
  foreach my $key (keys(%Apache::lonhomework::history)) {   foreach my $key (keys(%Apache::lonhomework::history)) {
     if ($key=~/^resource\.0\./) {      if ($key=~/^resource\.0\./) {
  $Apache::lonhomework::results{$key}='';   $Apache::lonhomework::results{$key}='';
     }      }
  }   }
   
    #setup new version and who did it
    $Apache::lonhomework::results{'resource.0.version'}=$version;
    $Apache::lonhomework::results{"resource.$version.0.checkedin"}=
       $user.'@'.$domain;
    $Apache::lonhomework::results{"resource.$version.0.checkedin.slot"}=
       $slot_name;
   
  return 1;   return 1;
       } elsif ($authenticated && $type eq 'problem') {
    &Apache::lonxml::debug("authed $slot_name");
    $Apache::lonhomework::results{"resource.0.checkedin"}=
       $user.'@'.$domain;
    $Apache::lonhomework::results{"resource.0.checkedin.slot"}=
       $slot_name;
     }      }
  }   }
     }      }
Line 91  sub proctor_check_auth { Line 115  sub proctor_check_auth {
 sub get_version {  sub get_version {
     my ($version,$previous);      my ($version,$previous);
     if ($env{'form.previousversion'} &&       if ($env{'form.previousversion'} && 
  defined($Apache::lonhomework::history{'resource.'.$env{'form.previousversion'}.'.status'})) {   $env{'form.previousversion'} ne 'current' &&
    defined($Apache::lonhomework::history{'resource.'.$env{'form.previousversion'}.'.0.status'})) {
  $version=$env{'form.previousversion'};   $version=$env{'form.previousversion'};
  $previous=1;   $previous=1;
     } else {      } else {
  $version=$Apache::lonhomework::history{'resource.version'};   $version=$Apache::lonhomework::history{'resource.0.version'};
  $previous=0;   $previous=0;
     }      }
     if (wantarray) {      if (wantarray) {
Line 107  sub get_version { Line 132  sub get_version {
 sub add_previous_version_button {  sub add_previous_version_button {
     my ($status)=@_;      my ($status)=@_;
     my $result;      my $result;
     if ($Apache::lonhomework::history{'resource.version'} eq '') {      if ($Apache::lonhomework::history{'resource.0.version'} eq '') {
  return '';   return '';
     }      }
     if ($Apache::lonhomework::history{'resource.version'} < 2 &&      if ($Apache::lonhomework::history{'resource.0.version'} < 2 &&
  $status ne 'NEEDS_CHECKIN') {   $status ne 'NEEDS_CHECKIN') {
  return '';   return '';
     }      }
Line 121  sub add_previous_version_button { Line 146  sub add_previous_version_button {
     "</h3>\n";      "</h3>\n";
     }      }
     my @to_show;      my @to_show;
     foreach my $test_version (1..$Apache::lonhomework::history{'resource.version'}) {      foreach my $test_version (1..$Apache::lonhomework::history{'resource.0.version'}) {
  if (defined($Apache::lonhomework::history{'resource.'.$test_version.'.status'})) {   if (defined($Apache::lonhomework::history{'resource.'.$test_version.'.0.status'})) {
     push(@to_show,$test_version);      push(@to_show,$test_version);
  }   }
     }      }
     my $list='<option>'.      my $list='<option>'.
  join("</option>\n<option>",@to_show).   join("</option>\n<option>",@to_show).
      "</option>\n";       "</option>\n";
       $list.='<option value="current">'.&mt('Current').'</option>';
     $result.='<form name="getprevious" method="POST" action="';      $result.='<form name="getprevious" method="POST" action="';
     my $uri=$env{'request.uri'};      my $uri=$env{'request.uri'};
     if ($env{'request.enc'}) { $uri=&Apache::lonenc::encrypted($uri); }      if ($env{'request.enc'}) { $uri=&Apache::lonenc::encrypted($uri); }
Line 141  sub add_previous_version_button { Line 167  sub add_previous_version_button {
 }  }
   
 sub add_grading_button {  sub add_grading_button {
       my (undef,$cid)=&Apache::lonxml::whichuser();
       my $cnum=$env{'course.'.$cid.'.num'};
       my $cdom=$env{'course.'.$cid.'.domain'};
       my %sections;
       my $numsections=&Apache::loncommon::get_sections($cdom,$cnum,\%sections);
       my $size=5;
       if (scalar(keys(%sections)) < 3) {
    $size=scalar(keys(%sections))+2;
       }
       my $sec_select = '<select multiple name="chosensections" size="'.$size.'">'."\n";
       $sec_select .= "<option value='all' selected='selected'>all</option>\n";
       foreach my $sec (sort {lc($a) cmp lc($b)} (keys(%sections))) {
    $sec_select .= "<option name=\"$sec\">$sec</option>\n";
       }
       $sec_select .= "<option value='none'>none</option></select>\n";
       
     my $result=' <input type="submit" name="gradeasubmission" value="'.      my $result=' <input type="submit" name="gradeasubmission" value="'.
  &mt("Get a submission to grade").'" />';   &mt("Get a submission to grade").'" />';
     $result.='<input type="hidden" name="grade_target" value="webgrade" />';      $result.='<input type="hidden" name="grade_target" value="webgrade" />';
     if ( 1) {      if (&Apache::lonnet::allowed('mgq',$env{'request.course.id'})) {
  #need a permissions for limitng this to 'powerful users'   my ($entries,$ready,$locks)=&get_queue_counts('gradingqueue');
  #check if review queue has items   $result.='<p>Specify a section: '.$sec_select.'</p>';
    $result.='<p>'.&mt("Grading Queue has [_1] entries. [_2] of them are ready to be graded and [_3] of them are currently being graded",$entries,$ready,$locks);
   
    $result.=' <input type="submit" name="reviewagrading" value="'.
       &mt("Select an entry from the grading queue").'" /> </p>'."\n";
   
    ($entries,$ready,$locks)=&get_queue_counts('reviewqueue');
    $result.='<p>'.&mt("Review Queue has [_1] entries. [_2] of them are ready to be graded and [_3] of them are currently being graded",$entries,$ready,$locks);
  $result.=' <input type="submit" name="reviewasubmission" value="'.   $result.=' <input type="submit" name="reviewasubmission" value="'.
     &mt("Select an entry from the review queue").'" />';      &mt("Select an entry from the review queue").'" /> </p>'."\n";
    $result.=' <input type="submit" name="regradeasubmission" value="'.
       &mt("Select a user to regrade.").'" /> </p>'."\n";
     }      }
     return $result;      return $result;
 }  }
   
 sub add_request_another_attempt_button {  sub add_request_another_attempt_button {
       my ($text)=@_;
       if (!$text) { $text="Request another attempt"; }
     my $result;      my $result;
     $result.=' <input type="submit" name="requestattempt" value="'.      my $symb=&Apache::lonnet::symbread();
  &mt("Request another attempt").'" />';      my ($slot_name,$slot)=&Apache::slotrequest::check_for_reservation($symb);
       my $action='get_reservation';
       if ($slot_name) {
    $text="Change reservation.";
    $action='change_reservation';
    my $description=&Apache::slotrequest::get_description($slot_name,
         $slot);
    $result.=(<<STUFF);
   <p> Will be next available: $description </p>
   STUFF
       }
       
       if ($env{'request.enc'}) { $symb=&Apache::lonenc::encrypted($symb); }
       $symb=&Apache::lonnet::escape($symb);
       $result.='<form method="POST" action="/adm/slotrequest">'.
    '<input type="hidden" name="symb" value="'.$symb.'" />'.
    '<input type="hidden" name="command" value="'.$action.'" />'.
    '<input type="submit" name="requestattempt" value="'.
    &mt($text).'" />'.
    '</form>';
     return $result;      return $result;
 }  }
   
Line 172  sub preserve_grade_info { Line 244  sub preserve_grade_info {
     return $result;      return $result;
 }  }
   
   sub style {
       return (<<STYLE);
   <style type="text/css">
   .fail, .pass, .neutral {
       position: relative;
       margin : 5px;
       margin-bottom :10px;
       padding : 4px;
       padding-left : 75px;
    border : thin solid;
       font-weight : bolder;
       font-size: smaller;
       font-family: Arial;
       background-color : rgb(255,240,225);
   }
   
   .fail h4, .pass h4 {
    position:absolute;
    left: -4px;
    top: -8px;
    padding:2px;
    margin:0;
    background-color : rgb(255,240,225);
    border : thin solid;
   }
   
   .fail {
    color: red;
   }
   
   .pass {
       color : green;
   }
   
   .neutral {
    color : blue;
   }
   
   .question {
    border : thin solid black;
    padding : 4px;
    margin-bottom : 1em;
   }
   
   .grade {
    font-size: x-large;
    font-family: Arial;
    position:absolute;
    left: 5px;
    top: -5px;
    width: 70px;
   }
   
   div#feedback h1 {
       color : inherit;
   }
   </style>
   STYLE
   
   }
   
   sub show_task {
       my ($status,$previous)=@_;
       if (!$previous && (
          ( $status eq 'CLOSED' ) ||
          ( $status eq 'BANNED') ||
          ( $status eq 'UNAVAILABLE') ||
          ( $status eq 'NOT_IN_A_SLOT') ||
          ( $status eq 'NEEDS_CHECKIN') ||
          ( $status eq 'WAITING_FOR_GRADE') ||
          ( $status eq 'INVALID_ACCESS') )) {
    return 0;
       }
       if ($env{'form.donescreen'}) { return 0; }
       return 1;
   }
   
   sub internal_location {
       my ($id)=@_;
       return '<!-- LONCAPA_INTERNAL_ADD_TASK_STATUS'.$id.' -->';
   }
   
   sub submission_time_stamp {
       my ($symb,$courseid,$udom,$uname)=&Apache::lonxml::whichuser();
       my $submissiontime;
       my $version=$Apache::lonhomework::history{'resource.0.version'};
       for (my $v=$Apache::lonhomework::history{'version'};$v>0;$v--) {
    if (defined($Apache::lonhomework::history{$v.':resource.'.$version.'.0.bridgetask.portfiles'})) {
       $submissiontime=$Apache::lonhomework::history{$v.':timestamp'};
    }
       }
       my $result;
       if ($submissiontime) {
    my $slot_name=$Apache::lonhomework::history{'resource.'.$version.'.0.checkedin.slot'};
    my %slot=&Apache::lonnet::get_slot($slot_name);
    my $diff = $slot{'endtime'} - $submissiontime;
    my ($color,$when)=('#FF6666','after');
    if ($diff > 0) { ($color,$when)=('#336600','before'); }
    my $info;
    if ($diff%60) { $info=($diff%60).' seconds'; }
    $diff=int($diff/60);
    if ($diff%60) { $info=($diff%60).' minutes '.$info; }
    $diff=int($diff/60);
    if ($diff) {    $info=$diff.' hours '.$info; }
    $result='<p><font color="'.$color.'">'.
       &mt('Student submitted [_1] [_2] the deadline. 
                    (Submission was at [_3], end of period was [_4].)',
    $info,$when,scalar(localtime($submissiontime)),
    scalar(localtime($slot{'endtime'}))).
    '</font></p>';
       }
       return $result;
   }
   
   sub webgrade_standard_info {
       my ($version)=&get_version();
       my (undef,undef,$udom,$uname) = &Apache::lonxml::whichuser();
       my $file_url = '/uploaded/'.$udom.'/'.$uname.'/portfolio/';
       my $file_list="<ul>\n";
       foreach my $partial_file (split(',',$Apache::lonhomework::history{"resource.$version.0.bridgetask.portfiles"})) {
    my $file=$file_url.$partial_file;
    $file=~s|/+|/|g;
    &Apache::lonnet::allowuploaded('/adm/bridgetask',$file);
    $file_list.='<li><nobr><a href="'.$file.'?rawmode=1" target="lonGRDs"><img src="'.
       &Apache::loncommon::icon($file).'" border=0"> '.$file.
       '</a></nobr></li>'."\n";
       }
       $file_list.="</ul>\n";
   
       my %lt=&Apache::lonlocal::texthash('done' => 'Done',
          'stop' => 'Stop',
          );
          
       my $result=<<INFO;
   <div class="handininfo">
     <input type="submit" name="next" value="$lt{'done'}" />
     <input type="submit" name="stop" value="$lt{'stop'}" />
     $file_list
   </div>
   INFO
       return $result;
   }
   
 sub start_Task {  sub start_Task {
     my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;      my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
   
     my ($status,$accessmsg,$slot);      my ($status,$accessmsg,$slot);
     if ($target ne 'webgrade') {      if ($target ne 'webgrade') {
    &Apache::structuretags::init_problem_globals('Task');
  &Apache::structuretags::initialize_storage();   &Apache::structuretags::initialize_storage();
  &Apache::lonhomework::showhash(%Apache::lonhomework::history);   &Apache::lonhomework::showhash(%Apache::lonhomework::history);
    if ($env{'request.state'} eq 'construct') {
       &Apache::structuretags::setup_rndseed($safeeval);
    }
     }       } 
   
     $Apache::lonhomework::parsing_a_task=1;      $Apache::lonhomework::parsing_a_task=1;
Line 186  sub start_Task { Line 405  sub start_Task {
     my ($result,$head_tag_start,$body_tag_start,$form_tag_start)=      my ($result,$head_tag_start,$body_tag_start,$form_tag_start)=
  &Apache::structuretags::page_start($target,$token,$tagstack,$parstack,$parser,$safeeval);   &Apache::structuretags::page_start($target,$token,$tagstack,$parstack,$parser,$safeeval);
           
     if ($target eq 'web') {      if ($target eq 'web' && $env{'request.state'} ne 'construct') {
  if ($Apache::lonhomework::modifygrades) {   if ($Apache::lonhomework::modifygrades) {
     $body_tag_start.='<form name="gradesubmission" method="POST" action="';      $body_tag_start.='<form name="gradesubmission" method="POST" action="';
     my $uri=$env{'request.uri'};      my $uri=$env{'request.uri'};
     if ($env{'request.enc'}) { $uri=&Apache::lonenc::encrypted($uri); }      if ($env{'request.enc'}) { $uri=&Apache::lonenc::encrypted($uri); }
     $body_tag_start.=$uri.'">'.&add_grading_button()."</form>";      $body_tag_start.=$uri.'">'.&add_grading_button()."</form>";
       my $symb=&Apache::lonnet::symbread();
       if (&Apache::lonnet::allowed('mgq',$env{'request.course.id'})) {
    $body_tag_start.='<form method="POST" action="/adm/slotrequest">'.
       '<input type="hidden" name="symb" value="'.$symb.'" />'.
       '<input type="hidden" name="command" value="showslots" />'.
       '<input type="submit" name="requestattempt" value="'.
       &mt('Show Slot list').'" />'.
       '</form>';
       }
  }   }
     }      }
       if ($target eq 'web' && $env{'request.state'} eq 'construct') {
    $form_tag_start.=&Apache::structuretags::problem_web_to_edit_header($env{'form.rndseed'});
       }
     if ($target eq 'web' || ($target eq 'grade' && !$env{'form.webgrade'}) || $target eq 'answer' ||      if ($target eq 'web' || ($target eq 'grade' && !$env{'form.webgrade'}) || $target eq 'answer' ||
  $target eq 'tex') {   $target eq 'tex') {
  my ($version,$previous)=&get_version();   my ($version,$previous)=&get_version();
  ($status,$accessmsg,my $slot_name,$slot) =    ($status,$accessmsg,my $slot_name,$slot) = 
     &Apache::lonhomework::check_task_access('0');      &Apache::lonhomework::check_slot_access('0','Task');
  push(@Apache::inputtags::status,$status);   push(@Apache::inputtags::status,$status);
  $Apache::inputtags::slot_name=$slot_name;   $Apache::inputtags::slot_name=$slot_name;
  my $expression='$external::datestatus="'.$status.'";';   my $expression='$external::datestatus="'.$status.'";';
  $expression.='$external::gradestatus="'.$Apache::lonhomework::history{"resource.$version.solved"}.'";';   $expression.='$external::gradestatus="'.$Apache::lonhomework::history{"resource.$version.0.solved"}.'";';
  &Apache::run::run($expression,$safeeval);   &Apache::run::run($expression,$safeeval);
  &Apache::lonxml::debug("Got $status");   &Apache::lonxml::debug("Got $status");
  $body_tag_start.=&add_previous_version_button($status);   $body_tag_start.=&add_previous_version_button($status);
  if (!$previous && (   if (!&show_task($status,$previous)) {
    ( $status eq 'CLOSED' ) ||      my $bodytext=&Apache::lonxml::get_all_text("/task",$parser,$style);
    ( $status eq 'BANNED') ||  
    ( $status eq 'UNAVAILABLE') ||  
    ( $status eq 'NOT_IN_A_SLOT') ||  
    ( $status eq 'NEEDS_CHECKIN') ||  
    ( $status eq 'WAITING_FOR_GRADE') ||  
    ( $status eq 'INVALID_ACCESS') )) {  
     my $bodytext=&Apache::lonxml::get_all_text("/task",$parser);  
     if ( $target eq "web" ) {      if ( $target eq "web" ) {
  $result.= $head_tag_start.'</head>'.$body_tag_start;   $result.= $head_tag_start.'</head>'.$body_tag_start;
    if ($env{'request.state'} eq 'construct') {
       $result.=$form_tag_start;
    }
  my $msg;   my $msg;
  if ($status eq 'UNAVAILABLE') {   if ($status eq 'UNAVAILABLE') {
     $msg.='<h1>'.&mt('Unable to determine if this resource is open due to network problems. Please try again later.').'</h1>';      $msg.='<h1>'.&mt('Unable to determine if this resource is open due to network problems. Please try again later.').'</h1>';
  } elsif ($status eq 'NOT_IN_A_SLOT') {   } elsif ($status eq 'NOT_IN_A_SLOT') {
     $msg.='<h1>'.&mt('You are not currently signed up to work at this time and/or place.').'</h1>';      $msg.='<h1>'.&mt('You are not currently signed up to work at this time and/or place.').'</h1>';
       $msg.=&add_request_another_attempt_button("Sign up for time to work.");
  } elsif ($status eq 'NEEDS_CHECKIN') {   } elsif ($status eq 'NEEDS_CHECKIN') {
     $msg.='<h1>'.&mt('You need the Proctor to validate you.').      $msg.='<h1>'.&mt('You need the Proctor to validate you.').
  '</h1>'.&proctor_validation_screen($slot);   '</h1>'.&proctor_validation_screen($slot);
  } elsif ($status eq 'WAITING_FOR_GRADE') {   } elsif ($status eq 'WAITING_FOR_GRADE') {
     $msg.='<h1>'.&mt('Your submission is in the grading queue.').'</h1>';      $msg.='<h1>'.&mt('Your submission is in the grading queue.').'</h1>';
    } elsif ($env{'form.donescreen'}) {
       my $title=&Apache::lonnet::gettitle();
       my @files=split(',',$Apache::lonhomework::history{'resource.'.$version.'.0.bridgetask.portfiles'});
       my $files='<ul><li>'.join('</li><li>',@files).'</li></ul>';
       $result.=<<DONESCREEN;
   <h2>$title</h2>
   <p> Files submitted: $files </p>
   <p> You are now done with this Bridge Task </p>
   <hr />
   <p> <a href="/adm/logout">Logout</a> </p>
   <p> <a href="/adm/roles">Change to a different course</a> </p>
   DONESCREEN
  } elsif ($status ne 'NOT_YET_VIEWED') {   } elsif ($status ne 'NOT_YET_VIEWED') {
     $msg.='<h1>'.&mt('Not open to be viewed').'</h1>';      $msg.='<h1>'.&mt('Not open to be viewed').'</h1>';
  }   }
Line 243  sub start_Task { Line 483  sub start_Task {
  }   }
     } elsif ($target eq 'grade' && !$env{'form.webgrade'}) {      } elsif ($target eq 'grade' && !$env{'form.webgrade'}) {
  if ($status eq 'NEEDS_CHECKIN') {   if ($status eq 'NEEDS_CHECKIN') {
     if (&proctor_check_auth($slot_name,$slot)) {      if(&proctor_check_auth($slot_name,$slot,'Task')
  #FIXME immeadiatly add this to the grading queue         && defined($Apache::inputtags::slot_name)) {
                         #      with slot->{'endtime'} for when grading can    my $result=&add_to_queue('gradingqueue',
                         #      begin on this resource   [$Apache::inputtags::slot_name]);
  # FIXME I think the above is done by default,   &Apache::lonxml::debug("add_to_queue said $result");
                         #        need to check that      }
                         #        failure doesn't do this.  
      }  
  }   }
     }      }
  } elsif ($target eq 'web') {   } elsif ($target eq 'web') {
     my $name= &Apache::structuretags::get_resource_name($parstack,$safeeval);      my $name= &Apache::structuretags::get_resource_name($parstack,$safeeval);
     $result.="$head_tag_start<title>$name</title></head>      $result.="$head_tag_start<title>$name</title></head>
               $body_tag_start \n $form_tag_start".                $body_tag_start \n".&style();
       '<input type="hidden" name="submitted" value="yes" />';      
     $result.=&preserve_grade_info();      $result.=&preserve_grade_info();
     my ($version,$previous)=&get_version();      $result.=&internal_location();
     if ($Apache::lonhomework::history{"resource.$version.status"} eq 'fail') {      $result.=$form_tag_start.
  $result.='<h1><font color="red">'.&mt('Did not pass').'</font></h1>';   '<input type="hidden" name="submitted" value="yes" />';
  if (!$previous) {      &Apache::lonxml::startredirection();
     $result.=&add_request_another_attempt_button();  
  }  
     }  
     if ($Apache::lonhomework::history{"resource.$version.status"} eq 'pass') {  
  $result.='<h1><font color="green">'.&mt('Passed').'</font></h1>';  
     }  
  }   }
     } elsif ( ($target eq 'grade' && $env{'form.webgrade'}) ||      } elsif ( ($target eq 'grade' && $env{'form.webgrade'}) ||
       $target eq 'webgrade') {        $target eq 'webgrade') {
  my $webgrade='yes';   my $webgrade='yes';
  if ($target eq 'webgrade') {   if ($target eq 'webgrade') {
     #FIXME FORM conflcit with the 'show queue',1   
     $result.=$head_tag_start.$body_tag_start;      $result.=$head_tag_start.$body_tag_start;
     $result.='<br />Review'.&show_queue('reviewqueue');      #$result.='<br />Review'.&show_queue('reviewqueue');
     $result.='<br />Before'.&show_queue('gradingqueue');      #$result.='<br />Grade'.&show_queue('gradingqueue');
  }   }
  if (defined($env{'form.reviewasubmission'})) {   # FIXME Blast! still need to reorg this, need to reshow the
     $result.=&show_queue('reviewqueue',1);          #       queue being reviewed once done with the grade pass...
     my $bodytext=&Apache::lonxml::get_all_text("/task",$parser);          #       Hrrm, vaildation pass should perhaps say 'not_locked'
  } else {          #       perhaps do a search if there is a key that is mine and if
     my ($todo,$status_code)=&get_key_todo($target);          #       there isn't reshow the queue....
     if ($todo) {   my ($todo,$status_code)=&get_key_todo($target);
  &setup_env_for_other_user($todo,$safeeval);  
  my ($symb,$uname,$udom)=&decode_queue_key($todo);   if ($todo) {
  $result.="\n".'<table><tr><td>Found '.      &setup_env_for_other_user($todo,$safeeval);
     &Apache::lonnet::gettitle($symb).' for '.$uname.' at '.$udom.'</td></tr></table>';      my ($symb,$uname,$udom)=&decode_queue_key($todo);
  $result.='<input type="hidden" name="gradingkey" value="'.      $result.="\n".'<table><tr><td>Found '.
     &Apache::lonnet::escape($todo).'" />';   &Apache::lonnet::gettitle($symb).' for '.$uname.' at '.$udom.'</td></tr></table>';
  $Apache::bridgetask::queue_key=$todo;      $form_tag_start.=
  &Apache::structuretags::initialize_storage();   '<input type="hidden" name="gradingkey" value="'.
  &Apache::lonhomework::showhash(%Apache::lonhomework::history);   &Apache::lonnet::escape($todo).'" />';
  if ($target eq 'webgrade') {      $Apache::bridgetask::queue_key=$todo;
     $result.='<br />After'.&show_queue('gradingqueue');      &Apache::structuretags::initialize_storage();
     $result.="\n".'<table width="100%" style="width:100%" border="1">';      &Apache::lonhomework::showhash(%Apache::lonhomework::history);
       if ($target eq 'webgrade') {
    #$result.='<br />After -'.&show_queue($env{'form.queue'});
    $result.="\n".'<table width="100%" style="width:100%" border="1">';
    if ($status_code eq 'selected') {
       $form_tag_start.=
    '<input type="hidden" name="queuemode" value="selected" />';
  }   }
     } else {      }
  if ($target eq 'webgrade') {   } else {
     $result.="\n".'<table><tr><td><b>';      if ($target eq 'webgrade') {
     if      ($status_code eq 'stop') {   $result.="\n";
  $result.=&mt("Stopped grading.");   my $back='<p><a href="/adm/flip?postdata=return:">'.
     } elsif ($status_code eq 'lock_failed') {      &mt('Return to resource').'</a></p>';
  $result.=&mt("Failed to lock the request record.");   if      ($status_code eq 'stop') {
     } elsif ($status_code eq 'unlock') {      $result.='<b>'.&mt("Stopped grading.").'</b>'.$back;
  $result.=&mt("Unlocked the requested user.");   } elsif ($status_code eq 'lock_failed') {
     } else {      $result.='<b>'.&mt("Failed to lock the request record.")
  $result.=&mt("No user to be graded.");   .'</b>'.$back;
     }   } elsif ($status_code eq 'unlock') {
     $result.='</b></td></tr></table>';      $result.='<b>'.&mt("Unlocked the requested record.")
    .'</b>'.$back;
       $result.=&show_queue($env{'form.queue'},1);
    } elsif ($status_code eq 'show_list') {
       $result.=&show_queue($env{'form.queue'},1);
    } elsif ($status_code eq 'select_user') {
       $result.=&select_user();
    } elsif ($status_code eq 'unable') {
       $result.='<b>'.&mt("Unable to aqcuire a user to grade.").'</b>'.$back;
    } else {
       $result.='<b>'.&mt("No user to be graded.").'</b>'.$back;
  }   }
  $webgrade='no';  
  my $bodytext=&Apache::lonxml::get_all_text("/task",$parser);  
     }      }
       $webgrade='no';
       my $bodytext=&Apache::lonxml::get_all_text("/task",$parser,$style);
  }   }
  if ($target eq 'webgrade' && defined($env{'form.queue'})) {   if ($target eq 'webgrade' && defined($env{'form.queue'})) {
       if ($webgrade eq 'yes') {
    $result.=&submission_time_stamp();
       }
     $result.=$form_tag_start;      $result.=$form_tag_start;
     $result.='<input type="hidden" name="webgrade" value="'.      $result.='<input type="hidden" name="webgrade" value="'.
  $webgrade.'" />';   $webgrade.'" />';
     $result.='<input type="hidden" name="queue" value="'.      $result.='<input type="hidden" name="queue" value="'.
  $env{'form.queue'}.'" />';   $env{'form.queue'}.'" />';
       if ($env{'form.regrade'}) {
    $result.='<input type="hidden" name="regrade" value="'.
       $env{'form.regrade'}.'" />';
       }
       if ($env{'form.chosensections'}) {
    my @chosen_sections=
       &Apache::loncommon::get_env_multiple('form.chosensections');
    foreach my $sec (@chosen_sections) {
       $result.='<input type="hidden" name="chosensections" 
                                  value="'.$sec.'" />';
    }
       }
       if ($webgrade eq 'yes') { $result.=&webgrade_standard_info(); }
  }   }
       } elsif ($target eq 'edit') {
    $result.=$head_tag_start."</head>".$body_tag_start.$form_tag_start.
       &Apache::structuretags::problem_edit_header();
    $Apache::lonxml::warnings_error_header=
       &mt("Editor Errors - these errors might not effect the running of the problem, but they will likely cause problems with further use of the Edit mode. Please use the EditXML mode to fix these errors.")."<br />";
    my $temp=&Apache::edit::insertlist($target,$token);
    $result.=$temp;
     } else {      } else {
  # page_start returned a starting result, delete it if we don't need it   # page_start returned a starting result, delete it if we don't need it
  $result = '';   $result = '';
Line 333  sub start_Task { Line 603  sub start_Task {
 sub get_key_todo {  sub get_key_todo {
     my ($target)=@_;      my ($target)=@_;
     my $todo;      my $todo;
   
       if (defined($env{'form.reviewasubmission'})) {
    &Apache::lonxml::debug("review a submission....");
    $env{'form.queue'}='reviewqueue';
    return (undef,'show_list');
       }
   
       if (defined($env{'form.reviewagrading'})) {
    &Apache::lonxml::debug("review a grading....");
    $env{'form.queue'}='gradingqueue';
    return (undef,'show_list');
       }
   
       if (defined($env{'form.regradeasubmission'})) {
    &Apache::lonxml::debug("regrade a grading....");
    $env{'form.queue'}='none';
    return (undef,'select_user');
       }
   
     my $queue=$env{'form.queue'};      my $queue=$env{'form.queue'};
   
     if (!defined($queue)) {      if (!defined($queue)) {
  $env{'form.queue'}=$queue='gradingqueue';   $env{'form.queue'}=$queue='gradingqueue';
     }      }
   
     my $gradingkey=&Apache::lonnet::unescape($env{'form.gradingkey'});      my $gradingkey=&Apache::lonnet::unescape($env{'form.gradingkey'});
   
       if ($env{'form.queue'} eq 'none') {
    if (defined($env{'form.gradingkey'})) {
       if ($target eq 'webgrade') {
    if ($env{'form.stop'}) {
       return (undef,'stop');
    } elsif ($env{'form.next'}) {
       return (undef,'select_user');
    }
       }
       return ($gradingkey,'selected');
    } else {
       return (undef,'select_user');
    }
       }
     if (defined($env{'form.queue'}) && defined($env{'form.gradingkey'})      if (defined($env{'form.queue'}) && defined($env{'form.gradingkey'})
  && !defined($env{'form.action'})) {   && !defined($env{'form.gradingaction'}) 
  #FIXME probably need to do some cheking here for more validity   && $env{'form.queuemode'} eq 'selected') {
  &Apache::lonnet::logthis("Found a key was given to me");  
  return ($gradingkey);   my $who=&queue_key_locked($queue,$gradingkey);
     }   my $me=$env{'user.name'}.'@'.$env{'user.domain'};
     if ($env{'form.action'} eq 'resume') {   if ($who eq $me) {
  &Apache::lonnet::logthis("Resuming a key");      &Apache::lonxml::debug("Found a key was given to me");
  return ($gradingkey);      return ($gradingkey,'selected');
     } elsif ($env{'form.action'} eq 'unlock') {   } else {
  &Apache::lonnet::logthis("Unlocking a key ".      return (undef,'show_list');
  &check_queue_unlock($queue,$gradingkey,1));   }
  return (undef,'unlock');  
     } elsif ($env{'form.action'} eq 'select') {      }
  if (&lock_key($queue,$gradingkey)) {  
       if ($target eq 'webgrade' && $env{'form.queuemode'} eq 'selected') {
    if ($env{'form.gradingaction'} eq 'resume') {
       delete($env{'form.gradingaction'});
       &Apache::lonxml::debug("Resuming a key");
     return ($gradingkey);      return ($gradingkey);
    } elsif ($env{'form.gradingaction'} eq 'unlock') {
       &Apache::lonxml::debug("Unlocking a key ".
        &check_queue_unlock($queue,$gradingkey,1));
       return (undef,'unlock');
    } elsif ($env{'form.gradingaction'} eq 'select') {
       &Apache::lonxml::debug("Locking a key");
       if (&lock_key($queue,$gradingkey)) {
    &Apache::lonxml::debug("Success $queue");
    return ($gradingkey);
       }
       &Apache::lonxml::debug("Failed $queue");
       return (undef,'lock_failed');
  }   }
  return (undef,'lock_failed');  
     }      }
     # don't get something new from the queue if they hit the stop button  
     if (!($env{'form.stop'} && $target eq 'webgrade')) {      if ($env{'form.queuemode'} ne 'selected') {
  return (&get_from_queue($queue));   # don't get something new from the queue if they hit the stop button
     } else {      if (!($env{'form.stop'} && $target eq 'webgrade') 
  return (undef,'stop');      && !$env{'form.gradingaction'}) {
       &Apache::lonxml::debug("Getting anew $queue");
       return (&get_from_queue($queue));
    } else {
       return (undef,'stop');
    }
       }
       return (undef,undef)
   }
   
   sub minimize_storage {
       foreach my $key (keys(%Apache::lonhomework::results)) {
    if ($key =~ /regrader$/) { next; }
    if ($Apache::lonhomework::results{$key} eq
       $Apache::lonhomework::history{$key}) {
       delete($Apache::lonhomework::results{$key});
    }
     }      }
 }  }
   
Line 372  sub end_Task { Line 709  sub end_Task {
     my ($version,$previous)=&get_version();      my ($version,$previous)=&get_version();
     if ($target eq 'grade' || $target eq 'web' || $target eq 'answer' ||      if ($target eq 'grade' || $target eq 'web' || $target eq 'answer' ||
  $target eq 'tex') {   $target eq 'tex') {
  if (   if ($target eq 'web' || $target eq 'answer' || $target eq 'tex') {
     (($target eq 'web') && ($env{'request.state'} ne 'construct')) ||  
     ($target eq 'answer') || ($target eq 'tex')  
    ) {  
     if ($target eq 'web') {      if ($target eq 'web') {
  if ($status eq 'CAN_ANSWER' && !$previous) {   if (&show_task($status,$previous)) {
       $result.=&Apache::lonxml::endredirection();
    }
    if ($status eq 'CAN_ANSWER' && !$previous && 
       !$env{'form.donescreen'}) {
     $result.="\n".'<table border="1">'.      $result.="\n".'<table border="1">'.
  &Apache::inputtags::file_selector("$version.0",   &Apache::inputtags::file_selector("$version.0",
   "bridgetask","*",    "bridgetask","*",
   'portfolioonly').    'portfolioonly',
     '
   <h2>'.&mt('Submit Portfolio Files for Grading').'</h2>
   <p>'.&mt('Indicate the files from your portfolio to be evaluated in grading this task.').'</p>').
   "</table>";    "</table>";
    }
    if (!$previous && $status ne 'SHOW_ANSWER' &&
       &show_task($status,$previous)) {
     $result.=&Apache::inputtags::gradestatus('0');      $result.=&Apache::inputtags::gradestatus('0');
       $result.='</form>';
       $result.=<<DONEBUTTON;
   <form method="POST">
      <input type="hidden" name="donescreen" value="1" />
      <input type="submit" value="Done" />
   </form>
   DONEBUTTON
                   }
    if (&show_task($status,$previous) &&
       $Apache::lonhomework::history{"resource.$version.0.status"} =~ /^(pass|fail)$/) {
       my $bt_status=$Apache::lonhomework::history{"resource.$version.0.status"};
       my $title=&Apache::lonnet::gettitle();
   
       my $slot_name=
    $Apache::lonhomework::history{"resource.$version.0.checkedin.slot"};
       my %slot=&Apache::lonnet::get_slot($slot_name);
       my $start_time=
    &Apache::lonlocal::locallocaltime($slot{'starttime'});
   
       my $status = "\n<div class='$bt_status'>\n";
       
       if ($bt_status eq 'pass')  {
    $status.='<h2>You passed the '.$title.' given on '.
       $start_time.'</h2>';
       }
       if ($bt_status eq 'fail')  {
    $status.='<h2>You did not pass the '.$title.' given on '.
       $start_time.'</h2>';
    if (!$previous) {
       $status.=&add_request_another_attempt_button();
    }
       }
       my $man_count=0;
       my $opt_count=0;
       my $opt_passed=0;
       foreach my $dim_id (@Apache::bridgetask::dimensionlist) {
    if ($Apache::bridgetask::dimensionmandatory{$dim_id}
       eq 'N') {
       $opt_count++;
       if ($Apache::lonhomework::history{"resource.$version.0.$dim_id.status"} eq 'pass') {
    $opt_passed++;
       }
    } else {
       $man_count++;
    }
       }
       my $opt_req=&Apache::lonxml::get_param('OptionalRequired',
    $parstack,$safeeval);
       if ($opt_req !~ /\S/) { $opt_req='0'; }
       $status.="\n<p>".&mt('You needed to pass all of the [_1]  mandatory components and [_2] of the [_3] optional components, of which you passed [_4].',$man_count,$opt_req,$opt_count,$opt_passed)."</p></div>\n";
   
       my $internal_location=&internal_location();
       $result=~s/\Q$internal_location\E/$status/;
  }   }
     }       } 
     if ($target eq 'web' || $target eq 'webgrade') {      if ($target eq 'web' || $target eq 'webgrade') {
Line 403  sub end_Task { Line 800  sub end_Task {
  $Apache::lonhomework::results{"resource.0.award"}=   $Apache::lonhomework::results{"resource.0.award"}=
     $Apache::lonhomework::results{"resource.$version.0.award"}=      $Apache::lonhomework::results{"resource.$version.0.award"}=
     $award;      $award;
    $Apache::lonhomework::results{"resource.0.submission"}=
       $Apache::lonhomework::results{"resource.$version.0.submission"}='';
       } else {
    delete($Apache::lonhomework::results{"resource.$version.0.bridgetask.portfiles"});
    $award = '';
     }      }
     &Apache::lonhomework::showhash(%Apache::lonhomework::results);      &Apache::lonhomework::showhash(%Apache::lonhomework::results);
     &Apache::structuretags::finalize_storage();      &Apache::structuretags::finalize_storage();
     if ($award eq 'SUBMITTED') {      if ($award eq 'SUBMITTED'
  &add_to_queue('gradingqueue',$Apache::inputtags::slot_name);   && defined($Apache::inputtags::slot_name)) {
    &add_to_queue('gradingqueue',[$Apache::inputtags::slot_name]);
     }      }
    } elsif ($Apache::lonhomework::results{'INTERNAL_store'}) {
       &Apache::structuretags::finalize_storage();
  }   }
  if ($target eq 'grade' && $env{'form.webgrade'} eq 'yes') {   if ($target eq 'grade' && $env{'form.webgrade'} eq 'yes') {
     my $optional_required=      my $optional_required=
Line 421  sub end_Task { Line 826  sub end_Task {
     &Apache::lonhomework::showhash(%Apache::lonhomework::results);      &Apache::lonhomework::showhash(%Apache::lonhomework::results);
     foreach my $dim_id (@Apache::bridgetask::dimensionlist) {      foreach my $dim_id (@Apache::bridgetask::dimensionlist) {
  my $status=   my $status=
     $Apache::lonhomework::results{"resource.$version.$dim_id.status"};      $Apache::lonhomework::results{"resource.$version.0.$dim_id.status"};
  my $mandatory=   my $mandatory=
     ($Apache::bridgetask::dimensionmandatory{$dim_id} ne 'N');      ($Apache::bridgetask::dimensionmandatory{$dim_id} ne 'N');
  if ($status eq 'pass') {   if ($status eq 'pass') {
Line 432  sub end_Task { Line 837  sub end_Task {
     $ungraded++;      $ungraded++;
  } elsif ($status eq 'review') {   } elsif ($status eq 'review') {
     $review++;      $review++;
  }   } else {
       $ungraded++;
    }
     }      }
     if ($optional_passed < $optional_required) {      if ($optional_passed < $optional_required) {
  $mandatory_failed++;   $mandatory_failed++;
     }      }
     &Apache::lonxml::debug("all dim ".join(':',@Apache::bridgetask::dimensionlist)."results -> m_f $mandatory_failed o_p $optional_passed u $ungraded r $review");      &Apache::lonxml::debug("all dim ".join(':',@Apache::bridgetask::dimensionlist)."results -> m_f $mandatory_failed o_p $optional_passed u $ungraded r $review");
     $Apache::lonhomework::results{'resource.grader'}=      $Apache::lonhomework::results{'resource.0.regrader'}=
  $env{'user.name'}.'@'.$env{'user.domain'};   $env{'user.name'}.'@'.$env{'user.domain'};
     if ($review) {      if ($review) {
  $Apache::lonhomework::results{"resource.$version.status"}='review';   $Apache::lonhomework::results{"resource.$version.0.status"}='review';
  # FIXME won't work well when already in review queues   if ($env{'form.queue'} eq 'reviewqueue') {
  &move_between_queues('gradingqueue','reviewqueue');      &check_queue_unlock($env{'form.queue'});
       &Apache::lonxml::debug(" still needs review not changing status.");
    } else {
       &move_between_queues($env{'form.queue'},'reviewqueue');
    }
     } elsif ($ungraded) {      } elsif ($ungraded) {
  $Apache::lonhomework::results{"resource.$version.status"}='ungraded';   $Apache::lonhomework::results{"resource.$version.0.status"}='ungraded';
  # FIXME if in review queue need to move back to grading queue   if ($env{'form.queue'} eq 'reviewqueue' ||
  &check_queue_unlock($env{'form.queue'});      $env{'form.queue'} eq 'none' ) {
       &Apache::lonxml::debug("moving back.");
       &move_between_queues($env{'form.queue'},'gradingqueue');
    } else {
       &check_queue_unlock($env{'form.queue'});
    }
     } elsif ($mandatory_failed) {      } elsif ($mandatory_failed) {
  $Apache::lonhomework::results{"resource.$version.status"}='fail';   $Apache::lonhomework::results{"resource.$version.0.status"}='fail';
  $Apache::lonhomework::results{"resource.$version.0.solved"}='incorrect_by_override';   $Apache::lonhomework::results{"resource.$version.0.solved"}='incorrect_by_override';
  $Apache::lonhomework::results{"resource.$version.0.award"}='INCORRECT';   $Apache::lonhomework::results{"resource.$version.0.award"}='INCORRECT';
  $Apache::lonhomework::results{"resource.$version.0.awarded"}='0';   $Apache::lonhomework::results{"resource.$version.0.awarded"}='0';
  &remove_from_queue($env{'form.queue'});   &remove_from_queue($env{'form.queue'}); 
   
    my ($symb,$courseid,$udom,$uname)=&Apache::lonxml::whichuser();
   
    if ($env{'form.regrade'} ne 'yes') {
       $Apache::lonhomework::results{"resource.$version.0.bridgetask.portfiles"}=
    $Apache::lonhomework::history{"resource.$version.0.bridgetask.portfiles"};
       &Apache::grades::version_portfiles(
          \%Apache::lonhomework::results,
          ["$version.0.bridgetask"],$courseid,
          $symb,$udom,$uname,
          ["$version.0.bridgetask"]);
    }
     } else {      } else {
  $Apache::lonhomework::results{"resource.$version.status"}='pass';   $Apache::lonhomework::results{"resource.$version.0.status"}='pass';
  $Apache::lonhomework::results{"resource.$version.0.solved"}='correct_by_override';   $Apache::lonhomework::results{"resource.$version.0.solved"}='correct_by_override';
  $Apache::lonhomework::results{"resource.$version.0.award"}='EXACT_ANS';   $Apache::lonhomework::results{"resource.$version.0.award"}='EXACT_ANS';
  $Apache::lonhomework::results{"resource.$version.0.awarded"}='1';   $Apache::lonhomework::results{"resource.$version.0.awarded"}='1';
  &remove_from_queue($env{'form.queue'});   &remove_from_queue($env{'form.queue'});
   
    my ($symb,$courseid,$udom,$uname)=&Apache::lonxml::whichuser();
    if ($env{'form.regrade'} ne 'yes') {
       $Apache::lonhomework::results{"resource.$version.0.bridgetask.portfiles"}=
    $Apache::lonhomework::history{"resource.$version.0.bridgetask.portfiles"};
       &Apache::grades::version_portfiles(
          \%Apache::lonhomework::results,
          ["$version.0.bridgetask"],$courseid,
          $symb,$udom,$uname,
          ["$version.0.bridgetask"]);
    }
     }      }
     $Apache::lonhomework::results{"resource.status"}=      $Apache::lonhomework::results{"resource.0.status"}=
  $Apache::lonhomework::results{"resource.$version.status"};   $Apache::lonhomework::results{"resource.$version.0.status"};
     if (defined($Apache::lonhomework::results{"resource.$version.0.awarded"})) {      if (defined($Apache::lonhomework::results{"resource.$version.0.awarded"})) {
  $Apache::lonhomework::results{"resource.0.award"}=   $Apache::lonhomework::results{"resource.0.award"}=
     $Apache::lonhomework::results{"resource.$version.award"};      $Apache::lonhomework::results{"resource.$version.0.award"};
  $Apache::lonhomework::results{"resource.0.awarded"}=   $Apache::lonhomework::results{"resource.0.awarded"}=
     $Apache::lonhomework::results{"resource.$version.awarded"};      $Apache::lonhomework::results{"resource.$version.0.awarded"};
  $Apache::lonhomework::results{"resource.0.solved"}=   $Apache::lonhomework::results{"resource.0.solved"}=
     $Apache::lonhomework::results{"resource.$version.solved"};      $Apache::lonhomework::results{"resource.$version.0.solved"};
     }      }
       &minimize_storage();
     &Apache::structuretags::finalize_storage();      &Apache::structuretags::finalize_storage();
  }   }
     } elsif ($target eq 'webgrade') {      } elsif ($target eq 'webgrade') {
Line 485  sub end_Task { Line 925  sub end_Task {
  #    &mt('Save Partial Grade and Continue Grading').'" /> ';   #    &mt('Save Partial Grade and Continue Grading').'" /> ';
  $result.='</form>'.&Apache::loncommon::endbodytag().'</html>';   $result.='</form>'.&Apache::loncommon::endbodytag().'</html>';
     } elsif ($target eq 'meta') {      } elsif ($target eq 'meta') {
  $result.='<parameter part="0" package="Task"></parameter>'."\n";   $result.=&Apache::response::meta_package_write('Task');
  #$result.=&Apache::response::meta_part_order();          $result.=&Apache::response::meta_stores_write('solved','string',
  #$result.=&Apache::response::meta_response_order();        'Problem Status');
    $result.=&Apache::response::meta_stores_write('tries','int_zeropos',
         'Number of Attempts');
    $result.=&Apache::response::meta_stores_write('awarded','float',
         'Partial Credit Factor');
    $result.=&Apache::response::meta_stores_write('status','string',
         'Bridge Task Status');
     }      }
     undef($Apache::lonhomework::parsing_a_task);      undef($Apache::lonhomework::parsing_a_task);
     return $result;      return $result;
Line 495  sub end_Task { Line 941  sub end_Task {
   
 sub move_between_queues {  sub move_between_queues {
     my ($src_queue,$dest_queue)=@_;      my ($src_queue,$dest_queue)=@_;
     my $cur_data=&get_queue_data($src_queue);      my $cur_data;
     if (!$cur_data) { return 'not_exist'; }      if ($src_queue ne 'none') {
     my $result=&add_to_queue($dest_queue,$cur_data->[0]);   $cur_data=&get_queue_data($src_queue);
    if (!$cur_data) { return 'not_exist'; }
       } else {
    $cur_data = ['none'];
       }
       my $result=&add_to_queue($dest_queue,[$cur_data->[0]]);
     if ($result ne 'ok') {      if ($result ne 'ok') {
  return $result;   return $result;
     }      }
Line 507  sub move_between_queues { Line 958  sub move_between_queues {
   
 sub check_queue_unlock {  sub check_queue_unlock {
     my ($queue,$key,$allow_not_me)=@_;      my ($queue,$key,$allow_not_me)=@_;
       if ($queue eq 'none') { return 'ok'; }
     my ($symb,$cid,$udom,$uname)=&Apache::lonxml::whichuser();      my ($symb,$cid,$udom,$uname)=&Apache::lonxml::whichuser();
     if (!defined($key)) {      if (!defined($key)) {
  $key="$symb\0queue\0$uname\@$udom";   $key="$symb\0queue\0$uname\@$udom";
Line 518  sub check_queue_unlock { Line 970  sub check_queue_unlock {
     if  ($who eq $me) {      if  ($who eq $me) {
  return &Apache::lonnet::del($queue,["$key\0locked"],$cdom,$cnum);   return &Apache::lonnet::del($queue,["$key\0locked"],$cdom,$cnum);
     } elsif ($allow_not_me) {      } elsif ($allow_not_me) {
  &Apache::lonnet::logthis("unlocking $who by $me");   &Apache::lonxml::debug("unlocking $who by $me");
  return &Apache::lonnet::del($queue,["$key\0locked"],$cdom,$cnum);   return &Apache::lonnet::del($queue,["$key\0locked"],$cdom,$cnum);
     }      }
     return 'not_owner';      return 'not_owner';
 }  }
   
   sub in_queue {
       my ($queue,$symb,$cdom,$cnum,$udom,$uname)=@_;
       if ($queue eq 'none') { return 0; }
       if (!defined($symb) || !defined($cdom) || !defined($cnum)
    || !defined($udom) || !defined($uname)) {
    ($symb,my $cid,$udom,$uname)=&Apache::lonxml::whichuser();
    $cnum=$env{'course.'.$cid.'.num'};
    $cdom=$env{'course.'.$cid.'.domain'};
       }
   
       my $key=&encode_queue_key($symb,$udom,$uname);
       my %results = &Apache::lonnet::get($queue,[$key],$cdom,$cnum);
   
       if (defined($results{$key})) {
    return 1;
       }
       return 0;
   }
   
 sub remove_from_queue {  sub remove_from_queue {
     my ($queue)=@_;      my ($queue,$symb,$cdom,$cnum,$udom,$uname)=@_;
     my ($symb,$cid,$udom,$uname)=&Apache::lonxml::whichuser();      if ($queue eq 'none') { return 'ok'; }
     my $cnum=$env{'course.'.$cid.'.num'};      if (!defined($symb) || !defined($cdom) || !defined($cnum)
     my $cdom=$env{'course.'.$cid.'.domain'};   || !defined($udom) || !defined($uname)) {
     my $key="$symb\0queue\0$uname\@$udom";   ($symb,my $cid,$udom,$uname)=&Apache::lonxml::whichuser();
    $cnum=$env{'course.'.$cid.'.num'};
    $cdom=$env{'course.'.$cid.'.domain'};
       }
       if (!&in_queue($queue,$symb,$cdom,$cnum,$udom,$uname)) {
    return 'ok';
       }
       my $key=&encode_queue_key($symb,$udom,$uname);
     my @keys=($key,"$key\0locked");      my @keys=($key,"$key\0locked");
     return &Apache::lonnet::del($queue,\@keys,$cdom,$cnum);      return &Apache::lonnet::del($queue,\@keys,$cdom,$cnum);
 }  }
Line 558  sub get_queue_data { Line 1036  sub get_queue_data {
     return undef;      return undef;
 }  }
   
   
   sub check_queue_for_key {
       my ($cdom,$cnum,$queue,$todo)=@_;
   
       my %results=
    &Apache::lonnet::get($queue,[$todo,"$todo\0locked"],$cdom,$cnum);
       
       if (exists($results{$todo}) && ref($results{$todo})) {
    if (defined($results{"$todo\0locked"})) {
       return 'locked';
    }
    my $slot;
    if (ref($results{$todo}) eq 'ARRAY')  {
       $slot = $results{$todo}[0];
    } elsif (ref($results{$todo}) eq 'HASH')  {
       $slot = $results{$todo}{'slot'};
    }
    if (defined($slot)) {
       my %slot_data=&Apache::lonnet::get_slot($slot);
       if ($slot_data{'endtime'} > time) { 
    return 'in_progress';
       }
    }
    return 'enqueued';
       }
       return undef;
   }
   
 sub add_to_queue {  sub add_to_queue {
     my ($queue,$slot_name)=@_;      my ($queue,$user_data)=@_;
       if ($queue eq 'none') { return 'ok'; }
     my ($symb,$cid,$udom,$uname)=&Apache::lonxml::whichuser();      my ($symb,$cid,$udom,$uname)=&Apache::lonxml::whichuser();
       if (!$cid || $env{'request.state'} eq 'construct') {
    return 'no_queue';
       }
     my $cnum=$env{'course.'.$cid.'.num'};      my $cnum=$env{'course.'.$cid.'.num'};
     my $cdom=$env{'course.'.$cid.'.domain'};      my $cdom=$env{'course.'.$cid.'.domain'};
     my %data;      my %data;
     $data{"$symb\0queue\0$uname\@$udom"}=[$slot_name];      $data{"$symb\0queue\0$uname\@$udom"}=$user_data;
     return &Apache::lonnet::put($queue,\%data,$cdom,$cnum);      return &Apache::lonnet::cput($queue,\%data,$cdom,$cnum);
 }  }
   
 sub show_queue {  sub show_queue {
Line 574  sub show_queue { Line 1084  sub show_queue {
     my ($symb,$cid,$udom,$uname)=&Apache::lonxml::whichuser();      my ($symb,$cid,$udom,$uname)=&Apache::lonxml::whichuser();
     my $cnum=$env{'course.'.$cid.'.num'};      my $cnum=$env{'course.'.$cid.'.num'};
     my $cdom=$env{'course.'.$cid.'.domain'};      my $cdom=$env{'course.'.$cid.'.domain'};
   
       my @chosen_sections=
    &Apache::loncommon::get_env_multiple('form.chosensections');
       &Apache::grades::init_perm();
       my ($classlist,$section,$fullname)=&Apache::grades::getclasslist(\@chosen_sections,);
       &Apache::grades::reset_perm();
       if (!(grep(/^all$/,@chosen_sections))) {
    $result.='<p> Showing only sections <tt>'.join(', ',@chosen_sections).
       '</tt>.</p> '."\n";
       }
   
     my $regexp="^$symb\0";      my $regexp="^$symb\0";
     my %queue=&Apache::lonnet::dump($queue,$cdom,$cnum,$regexp);      my %queue=&Apache::lonnet::dump($queue,$cdom,$cnum,$regexp);
     my ($tmp)=%queue;      my ($tmp)=%queue;
     if ($tmp=~/^error: 2 /) {      if ($tmp=~/^error: 2 /) {
  return "\n<h3>Current Queue</h3><table border='1'><tr><td>Empty</td></tr></table>";   return "\n<h3>Current Queue - $queue</h3><table border='1'><tr><td>Empty</td></tr></table>";
     }      }
     $result.="\n<h3>Current Queue</h3><table border='1'><tr>";      $result.="\n<h3>Current Queue - $symb $queue </h3><table border='1'><tr>";
     if ($with_selects) { $result.="<th></th>"; }      if ($with_selects) { $result.="<th></th>"; }
     $result.="<th>resource</th><th>user</th><th>type</th><th>data</th></tr>";      $result.="<th>resource</th><th>user</th><th>type</th><th>data</th></tr>";
     foreach my $key (sort(keys(%queue))) {      foreach my $key (sort(keys(%queue))) {
    my ($symb,$uname,$udom) = &decode_queue_key($key);
    if (!defined($classlist->{$uname.':'.$udom})) { next; }
  if ($key=~/locked$/ && !$with_selects) {   if ($key=~/locked$/ && !$with_selects) {
     my ($symb,$uname,$udom) = &decode_queue_key($key);  
     my $title=&Apache::lonnet::gettitle($symb);      my $title=&Apache::lonnet::gettitle($symb);
     $result.="<tr><td>$title</td><td>$uname</td>";      $result.="<tr><td>$title</td><td>$uname</td>";
     $result.='<td>lock</td><td>'.$queue{$key}.'</td></tr>';      $result.='<td>lock</td><td>'.$queue{$key}.'</td></tr>';
Line 596  sub show_queue { Line 1118  sub show_queue {
     $result.='<td>last queue modification time</td><td>'.      $result.='<td>last queue modification time</td><td>'.
  &Apache::lonlocal::locallocaltime($queue{$key})."</td></tr>";   &Apache::lonlocal::locallocaltime($queue{$key})."</td></tr>";
  } elsif ($key!~/(timestamp|locked)$/) {   } elsif ($key!~/(timestamp|locked)$/) {
     my ($symb,$uname,$udom) = &decode_queue_key($key);  
     my $title=&Apache::lonnet::gettitle($symb);      my $title=&Apache::lonnet::gettitle($symb);
     $result.="<tr>";      $result.="<tr>";
       my $slot=$queue{$key}->[0];
       my %slot_data=&Apache::lonnet::get_slot($slot);
     if ($with_selects) {      if ($with_selects) {
  my $ekey=&Apache::lonnet::escape($key);   my $ekey=&Apache::lonnet::escape($key);
  my ($action,$description)=('select',&mt('Select'));   my ($action,$description)=('select',&mt('Select'));
Line 610  sub show_queue { Line 1133  sub show_queue {
  ($action,$description)=('unlock',&mt('Unlock'));   ($action,$description)=('unlock',&mt('Unlock'));
     }      }
  }   }
  $result.=(<<FORM);   my $seclist;
    foreach my $sec (@chosen_sections) {
       $seclist.='<input type="hidden" name="chosensections" 
                                  value="'.$sec.'" />';
    }
    if (time > $slot_data{'endtime'}) {
       $result.=(<<FORM);
 <td>  <td>
 <form method="POST">  <form method="POST">
  <input type="hidden" name="gradingkey" value="$ekey" />   <input type="hidden" name="gradingkey" value="$ekey" />
  <input type="hidden" name="queue" value="$queue" />   <input type="hidden" name="queue" value="$queue" />
  <input type="hidden" name="gradingaction" value="$action" />   <input type="hidden" name="gradingaction" value="$action" />
  <input type="hidden" name="webgrade" value="no" />   <input type="hidden" name="webgrade" value="no" />
    <input type="hidden" name="queuemode" value="selected" />
  <input type="submit" name="submit" value="$description" />   <input type="submit" name="submit" value="$description" />
    $seclist
 </form>  </form>
 </td>  </td>
 FORM  FORM
   
                   } else {
       $result.='<td>'.&mt("In Progress").'</td>'
    }
     }      }
     $result.="<td>$title</td><td>$uname</td>";      $result.="<td>$title</td><td>$uname</td>";
     my $slot=$queue{$key}->[0];  
     my %slot_data=&Apache::lonnet::get_slot($slot);  
     $result.='<td>queue entry</td><td>Slot: '.$slot.' End time: '.      $result.='<td>queue entry</td><td>Slot: '.$slot.' End time: '.
  &Apache::lonlocal::locallocaltime($slot_data{'endtime'}).   &Apache::lonlocal::locallocaltime($slot_data{'endtime'}).
  "</td></tr>";   "</td></tr>";
Line 634  FORM Line 1167  FORM
     return $result;      return $result;
 }  }
   
   sub get_queue_counts {
       my ($queue)=@_;
       my $result;
       my ($symb,$cid,$udom,$uname)=&Apache::lonxml::whichuser();
       my $cnum=$env{'course.'.$cid.'.num'};
       my $cdom=$env{'course.'.$cid.'.domain'};
       my $regexp="^$symb\0";
       my %queue=&Apache::lonnet::dump($queue,$cdom,$cnum,$regexp);
       my ($tmp)=%queue;
       if ($tmp=~/^error: 2 /) {
    return (0,0,0);
       }
       my ($entries,$ready_to_grade,$locks)=(0,0,0);
       my %slot_cache;
       foreach my $key (sort(keys(%queue))) {
    if ($key=~/locked$/) {
       $locks++;
    } elsif ($key=~/timestamp$/) {
       #ignore
    } elsif ($key!~/(timestamp|locked)$/) {
       my ($symb,$uname,$udom) = &decode_queue_key($key);
       $entries++;
       my $slot=$queue{$key}->[0];
       if (!exists($slot_cache{$slot})) {
    my %slot_data=&Apache::lonnet::get_slot($slot);
    $slot_cache{$slot} = \%slot_data;
       }
       if (time > $slot_cache{$slot}{'endtime'}) {
    $ready_to_grade++;
       }
    }
       }
       return ($entries,$ready_to_grade,$locks);
   }
   
   sub encode_queue_key {
       my ($symb,$udom,$uname)=@_;
       return "$symb\0queue\0$uname\@$udom";
   }
   
 sub decode_queue_key {  sub decode_queue_key {
     my ($key)=@_;      my ($key)=@_;
     my ($symb,undef,$user) = split("\0",$key);      my ($symb,undef,$user) = split("\0",$key);
Line 643  sub decode_queue_key { Line 1216  sub decode_queue_key {
   
 sub queue_key_locked {  sub queue_key_locked {
     my ($queue,$key,$cdom,$cnum)=@_;      my ($queue,$key,$cdom,$cnum)=@_;
       if (!defined($cdom) || !defined($cnum)) {
    my (undef,$cid)=&Apache::lonxml::whichuser();
    $cnum=$env{'course.'.$cid.'.num'};
    $cdom=$env{'course.'.$cid.'.domain'};
       }
     my ($key_locked,$value)=      my ($key_locked,$value)=
  &Apache::lonnet::get($queue,["$key\0locked"],$cdom,$cnum);   &Apache::lonnet::get($queue,["$key\0locked"],$cdom,$cnum);
     if ($key_locked eq "$key\0locked") {      if ($key_locked eq "$key\0locked") {
Line 653  sub queue_key_locked { Line 1231  sub queue_key_locked {
   
 sub pick_from_queue_data {  sub pick_from_queue_data {
     my ($queue,$check_section,$queuedata,$cdom,$cnum)=@_;      my ($queue,$check_section,$queuedata,$cdom,$cnum)=@_;
       my @possible; # will hold queue entries that are valid to be selected
     foreach my $key (keys(%$queuedata)) {      foreach my $key (keys(%$queuedata)) {
    if ($key =~ /\0locked$/) { next; }
    if ($key =~ /\0timestamp$/) { next; }
  my ($symb,$uname,$udom)=&decode_queue_key($key);   my ($symb,$uname,$udom)=&decode_queue_key($key);
  if ($check_section) {   if ($check_section) {
     my $section=&Apache::lonnet::getsection($uname,$udom);      my $section=&Apache::lonnet::getsection($uname,$udom);
     if ($section eq $check_section) {      if ($section eq $check_section) {
  &Apache::lonnet::logthis("my sec");   &Apache::lonxml::debug("my sec");
  next;   next;
     }      }
  }   }
  my $slot=$queuedata->{$key}[0];   my $slot=$queuedata->{$key}[0];
  my %slot_data=&Apache::lonnet::get_slot($slot);   my %slot_data=&Apache::lonnet::get_slot($slot);
  if ($slot_data{'endtime'} > time) {    if ($slot_data{'endtime'} > time) { 
     &Apache::lonnet::logthis("not time");      &Apache::lonxml::debug("not time");
     next;      next;
  }   }
  if (&queue_key_locked($queue,$key,$cdom,$cnum)) {   if (exists($queuedata->{"$key\0locked"})) {
     &Apache::lonnet::logthis("someone already has um.");      &Apache::lonxml::debug("someone already has um.");
     next;      next;
  }   }
  return $key;   push(@possible,[$key,$slot_data{'endtime'}]);
       }
       if (@possible) {
           # sort entries in order by slot end time
    @possible = sort { $a->[1] <=> $b->[1] } @possible;
    # pick one of the first ten entries
    my $max=($#possible < 10) ? $#possible : 10;
    return $possible[int(rand($max))][0];
     }      }
     return undef;      return undef;
 }  }
Line 706  sub lock_key { Line 1294  sub lock_key {
     my $cdom=$env{'course.'.$cid.'.domain'};      my $cdom=$env{'course.'.$cid.'.domain'};
     my $success=&Apache::lonnet::newput($queue,{"$todo\0locked"=> $me},      my $success=&Apache::lonnet::newput($queue,{"$todo\0locked"=> $me},
  $cdom,$cnum);   $cdom,$cnum);
     &Apache::lonnet::logthis("success $success $todo");      &Apache::lonxml::debug("success $success $todo");
     if ($success eq 'ok') {      if ($success eq 'ok') {
  return 1;   return 1;
     }      }
     return 0;      return 0;
 }  }
   
   sub get_queue_symb_status {
       my ($queue,$symb,$cdom,$cnum) = @_;
       if (!defined($cdom) || !defined($cnum)) {
    my (undef,$cid)=&Apache::lonxml::whichuser();
    $cnum=$env{'course.'.$cid.'.num'};
    $cdom=$env{'course.'.$cid.'.domain'};
       }
       my $regexp="^$symb\0";
       my %queue=&Apache::lonnet::dump($queue,$cdom,$cnum,$regexp);
       my ($tmp)=%queue;
       if ($tmp=~/^error: 2 /) { return; }
       my @users;
       foreach my $key (sort(keys(%queue))) {
    next if ($key=~/locked$/);
    next if ($key=~/timestamp$/);
    my ($symb,$uname,$udom) = &decode_queue_key($key);
    push(@users,"$uname:$udom");
       }
       return @users;
   }
   
 sub get_from_queue {  sub get_from_queue {
     my ($queue)=@_;      my ($queue)=@_;
     my $result;      my $result;
Line 720  sub get_from_queue { Line 1329  sub get_from_queue {
     my $cnum=$env{'course.'.$cid.'.num'};      my $cnum=$env{'course.'.$cid.'.num'};
     my $cdom=$env{'course.'.$cid.'.domain'};      my $cdom=$env{'course.'.$cid.'.domain'};
     my $todo=&find_mid_grade($queue,$symb,$cdom,$cnum);      my $todo=&find_mid_grade($queue,$symb,$cdom,$cnum);
     &Apache::lonnet::logthis("found ".join(':',&decode_queue_key($todo)));      &Apache::lonxml::debug("found ".join(':',&decode_queue_key($todo)));
     if ($todo) { return $todo; }      if ($todo) { return $todo; }
       my $attempts=0;
     while (1) {      while (1) {
    if ($attempts > 2) {
       # tried twice to get a queue entry, giving up
       return (undef,'unable');
    }
  my $starttime=time;   my $starttime=time;
  &Apache::lonnet::put($queue,{"$symb\0timestamp"=>$starttime},   &Apache::lonnet::cput($queue,{"$symb\0timestamp"=>$starttime},
      $cdom,$cnum);        $cdom,$cnum);
  &Apache::lonnet::logthis("$starttime");   &Apache::lonxml::debug("$starttime");
  my $regexp="^$symb\0queue\0";   my $regexp="^$symb\0queue\0";
    my $range= ($attempts < 1 ) ? '0-100' : '0-400';
   
  my %queue=&Apache::lonnet::dump($queue,$cdom,$cnum,$regexp);   my %queue=&Apache::lonnet::dump($queue,$cdom,$cnum,$regexp);
  #make a pass looking for a user in my section   #make a pass looking for a user _not_ in my section
  if ($env{'request.course.sec'}) {   if ($env{'request.course.sec'}) {
     &Apache::lonnet::logthis("sce");      &Apache::lonxml::debug("sce");
     $todo=&pick_from_queue_data($queue,$env{'request.course.sec'},      $todo=&pick_from_queue_data($queue,$env{'request.course.sec'},
  \%queue,$cdom,$cnum);   \%queue,$cdom,$cnum);
     &Apache::lonnet::logthis("sce $todo");      &Apache::lonxml::debug("sce $todo");
  }   }
  # no one in our section so look for any user that is ready for grading   # no one _not_ in our section so look for any user that is
    # ready for grading
  if (!$todo) {   if (!$todo) {
     &Apache::lonnet::logthis("no sce");      &Apache::lonxml::debug("no sce");
     $todo=&pick_from_queue_data($queue,$env{'request.course.sec'},      $todo=&pick_from_queue_data($queue,undef,\%queue,$cdom,$cnum);
  \%queue,$cdom,$cnum);      &Apache::lonxml::debug("no sce $todo");
     &Apache::lonnet::logthis("no sce $todo");  
  }   }
  # no user to grade    # no user to grade 
  if (!$todo) { last; }   if (!$todo) { last; }
  &Apache::lonnet::logthis("got $todo");   &Apache::lonxml::debug("got $todo");
  # otherwise found someone so lets try to lock them   # otherwise found someone so lets try to lock them
  # unless someone else already picked them   # unless someone else already picked them
  if (!&lock_key($queue,$todo)) { next; }   if (!&lock_key($queue,$todo)) {
       $attempts++;
       next;
    }
  my (undef,$endtime)=   my (undef,$endtime)=
     &Apache::lonnet::get($queue,["$symb\0timestamp"],      &Apache::lonnet::get($queue,["$symb\0timestamp"],
  $cdom,$cnum);   $cdom,$cnum);
  &Apache::lonnet::logthis("emd  $endtime");   &Apache::lonxml::debug("emd  $endtime");
  # someone else already modified the queue,    # someone else already modified the queue, 
  # perhaps our picked user wass already fully graded between   # perhaps our picked user wass already fully graded between
  # when we picked him and when we locked his record? so lets   # when we picked him and when we locked his record? so lets
Line 761  sub get_from_queue { Line 1380  sub get_from_queue {
     my ($key,$value)=      my ($key,$value)=
  &Apache::lonnet::get($queue,["$todo"],   &Apache::lonnet::get($queue,["$todo"],
      $cdom,$cnum);       $cdom,$cnum);
     &Apache::lonnet::logthis("check  $key .. $value");      &Apache::lonxml::debug("check  $key .. $value");
     if ($key eq $todo && ref($value)) {      if ($key eq $todo && ref($value)) {
     } else {      } else {
  &Apache::lonnet::del($queue,["$todo\0locked"],   &Apache::lonnet::del($queue,["$todo\0locked"],
      $cdom,$cnum);       $cdom,$cnum);
  &Apache::lonnet::logthis("del");   &Apache::lonxml::debug("del");
    $attempts++;
  next;   next;
     }      }
  }   }
  &Apache::lonnet::logthis("last $todo");   &Apache::lonxml::debug("last $todo");
  last;   last;
     }      }
     return $todo;      return $todo;
 }  }
   
   sub select_user {
       my ($symb,$cid)=&Apache::lonxml::whichuser();
   
       my @chosen_sections=
    &Apache::loncommon::get_env_multiple('form.chosensections');
       &Apache::grades::init_perm();
       my ($classlist,$section,$fullname)=&Apache::grades::getclasslist(\@chosen_sections,);
       &Apache::grades::reset_perm();
       
       my $result;
       if (!(grep(/^all$/,@chosen_sections))) {
    $result.='<p> Showing only sections <tt>'.join(', ',@chosen_sections).
       '</tt>.</p> '."\n";
       }
       $result.='<table border="1">';
   
       foreach my $student (sort {lc($$fullname{$a}) cmp lc($$fullname{$b}) } keys %$fullname) {
    my ($uname,$udom) = split(/:/,$student);
   
    my $cnum=$env{'course.'.$cid.'.num'};
    my $cdom=$env{'course.'.$cid.'.domain'};
    my %status = &get_student_status($symb,$cdom,$cnum,$udom,$uname,
    'Task');
    my $queue = 'none';
    my $cannot_grade;
    if ($status{'reviewqueue'} =~ /^(in_progress|enqueue)$/) {
       $queue = 'reviewqueue';
       if ($status{'reviewqueue'} eq 'in_progress') {
    $cannot_grade=1;
       }
    } elsif ($status{'gradingqueue'} =~ /^(in_progress|enqueue)$/) {
       $queue = 'gradingqueue';
       if ($status{'gradingqueue'} eq 'in_progress') {
    $cannot_grade=1;
       }
    }
    my $todo = 
       &Apache::lonnet::escape(&encode_queue_key($symb,$udom,$uname));
    if ($cannot_grade) {
       $result.='<tr><td>&nbsp;</td><td>'.$fullname->{$student}.
    '</td><td>';
    } else {
       my $seclist;
       foreach my $sec (@chosen_sections) {
    $seclist.='<input type="hidden" name="chosensections" 
                                  value="'.$sec.'" />';
       }
       $result.=<<RESULT;
   <tr>
     <td>
       <form method="POST">
         <input type="hidden" name="gradingkey" value="$todo" />
         <input type="hidden" name="queue" value="$queue" />
         <input type="hidden" name="webgrade" value="no" />
         <input type="hidden" name="regrade" value="yes" />
         <input type="submit" name="submit" value="Regrade" />
         $seclist
       </form>
     <td>$fullname->{$student}</td>
     <td>
   RESULT
           }
           if ($status{'status'} eq 'pass') {
       $result .= '<font color="green">'.&mt('Passed').'</font>';
    } elsif ($status{'status'} eq 'fail') {
       $result .= '<font color="red">'.&mt('Failed').'</font>';
    } elsif ($status{'status'} eq 'review') {
       $result .= '<font color="blue">'.&mt('Under Review').'</font>';
    } elsif ($status{'status'} eq 'ungraded') {
       $result .= &mt('Ungraded');
    } elsif ($status{'status'} ne '') {
       $result .= '<font color="orange">'.&mt('Unknown Status').'</font>';
    } else {
       $result.="&nbsp;";
    }
    if ($status{'version'}) {
       $result .= ' '.&mt('Version').' '.$status{'version'};
    }
    $result.= '</td><td>';
    if ($status{'reviewqueue'} eq 'enqueued') {
       $result .= &mt('Awaiting Review');
    } elsif ($status{'reviewqueue'} eq 'locked') {
       $result .= &mt('Under Review');
    } elsif ($status{'reviewqueue'} eq 'in_progress') {
       $result .= &mt('Still being worked on.');
    } elsif ($status{'gradingqueue'} eq 'enqueued') {
       $result .= &mt('Awaiting Grading');
    } elsif ($status{'gradingqueue'} eq 'locked') {
       $result .= &mt('Being Graded');
    } elsif ($status{'gradingqueue'} eq 'in_progress') {
       $result .= &mt('Still being worked on.');
    } else {
       $result.="&nbsp;";
    }
    $result.= '</td></tr>';
       }
       $result.='</table>';
       return $result;
   }
   
   sub get_student_status {
       my ($symb,$cdom,$cnum,$udom,$uname,$type)=@_;
   
       my %status;
   
       if ($type eq 'Task') {
    my %record = &Apache::lonnet::restore($symb,$env{'request.course.id'},
     $udom,$uname);
    $status{'status'}=$record{'resource.0.status'};
    $status{'version'}=$record{'resource.0.version'};
    $status{'grader'}=$record{'resource.0.regrader'};
       }
       $status{'reviewqueue'}=
    &check_queue_for_key($cdom,$cnum,'reviewqueue',
        &encode_queue_key($symb,$udom,$uname));
       $status{'gradingqueue'}=
    &check_queue_for_key($cdom,$cnum,'gradingqueue',
        &encode_queue_key($symb,$udom,$uname));
       return %status;
   }
   
 sub start_ClosingParagraph {  sub start_ClosingParagraph {
     my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;      my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
     my $result;      my $result;
Line 813  sub start_Dimension { Line 1554  sub start_Dimension {
     undef(@Apache::bridgetask::instance);      undef(@Apache::bridgetask::instance);
     $Apache::bridgetask::dimensionmandatory{$dim_id}=      $Apache::bridgetask::dimensionmandatory{$dim_id}=
  &Apache::lonxml::get_param('Mandatory',$parstack,$safeeval);   &Apache::lonxml::get_param('Mandatory',$parstack,$safeeval);
     return '';      &Apache::lonxml::startredirection();
       return &internal_location($dim_id);
 }  }
   
 sub get_instance {  sub get_instance {
     &Apache::response::pushrandomnumber();      my ($dim)=@_;
     my @order=&Math::Random::random_permutation(@{$dimension{'instances'}});      my $rand_alg=&Apache::lonnet::get_rand_alg();
     my $num=@order;      if (!$rand_alg || $rand_alg eq '32bit' || $rand_alg eq '64bit' ||
     my $version=&get_version();   $rand_alg eq '64bit2' || $rand_alg eq '64bit3' ||
     my $which=($version-1)%$num;   $rand_alg eq '64bit4' ) {
     return $order[$which];   &Apache::response::pushrandomnumber();
    my @order=&Math::Random::random_permutation(@{$dimension{'instances'}});
    my $num=@order;
    my $version=&get_version();
    my $which=($version-1)%$num;
    return $order[$which];
       } else {
    my ($version,$previous) = &get_version();
    my $instance = 
       $Apache::lonhomework::history{"resource.$version.0.$dim.instance"};
    if (defined($instance)) { return $instance; }
   
    &Apache::response::pushrandomnumber();
    my @instances = @{$dimension{'instances'}};
    # remove disabled instances
    for (my $i=0; $i < $#instances; $i++) {
       if ($dimension{$instances[$i].'.disabled'}) {
    splice(@instances,$i,1);
    $i--;
       }
    }
    @instances = &Math::Random::random_permutation(@instances);
    $instance  = $instances[($version-1)%scalar(@instances)];
    $Apache::lonhomework::results{"resource.$version.0.$dim.instance"} = 
       $instance;
    $Apache::lonhomework::results{'INTERNAL_store'} = 1; 
    &Apache::response::poprandomnumber();
    return $instance;
       }
 }  }
   
 {  {
     my $last_link;      my $last_link;
     sub end_Dimension {      sub end_Dimension {
  my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;   my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
  my $result;   my $result=&Apache::lonxml::endredirection();
  my $dim=&get_id($parstack,$safeeval);   my $dim=&get_id($parstack,$safeeval);
  my $instance=&get_instance();   my $instance=&get_instance($dim);
  my $version=&get_version();   my $version=&get_version();
  if ($target eq 'web') {   if ($target eq 'web') {
     $result=$dimension{'intro'}.$dimension{$instance.'.text'};      @Apache::scripttag::parser_env = @_;
     if ($Apache::lonhomework::history{"resource.$version.status"} eq 'pass' ||      $result.=&Apache::scripttag::xmlparse($dimension{'intro'});
  $Apache::lonhomework::history{"resource.$version.status"} eq 'fail') {      my @instances = $instance;
  foreach my $id (@{$dimension{$instance.'.criterias'}}) {      if (&Apache::response::showallfoils()) {
     my $status=$Apache::lonhomework::history{"resource.$version.$dim.$instance.$id.status"};   @instances = @{$dimension{'instances'}};
     my $comment=$Apache::lonhomework::history{"resource.$version.$dim.$instance.$id.comment"};      }
     $result.='<table border="1"><tr><td>';      foreach my $instance (@instances) {
     if ($status eq 'fail') {   @Apache::scripttag::parser_env = @_;
  $result.='<font color="red">'.&mt('Did not pass').'</font>';   $result.=&Apache::scripttag::xmlparse($dimension{$instance.'.text'});
     } elsif ($status eq 'pass') {   if ($Apache::lonhomework::history{"resource.$version.0.status"} eq 'pass' ||
  $result.='<font color="green">'.&mt('Passed').'</font>';      $Apache::lonhomework::history{"resource.$version.0.status"} eq 'fail') {
     } else {  
  &Apache::lonxml::error("Student viewing a graded bridgetask was show a status of $status");      my $dim_status=$Apache::lonhomework::history{"resource.$version.0.$dim.status"};
       my $mandatory='Mandatory';
       if ($Apache::bridgetask::dimensionmandatory{$dim} eq 'N') {
    $mandatory='Optional';
       }
       my $dim_info="<div class='$dim_status'>\n";
       if ($dim_status eq 'pass') {
    $dim_info.='<h3>Question : you passed this '.$mandatory.' question</h3>';
       }
       if ($dim_status eq 'fail') {
    $dim_info.='<h3>Question : you did not pass this '.$mandatory.' question</h3>';
     }      }
     $result.='</td></tr><tr><td>';      my $man_count=0;
     if ($Apache::lonhomework::history{"resource.$version.$dim.$instance.$id.comment"}) {      my $man_passed=0;
  $result.=&mt('Comment from grader: ').$Apache::lonhomework::history{"resource.$version.$dim.$instance.$id.comment"}.'</td></tr><tr><td>';      my $opt_count=0;
       my $opt_passed=0;
       foreach my $id (@{$dimension{$instance.'.criterias'}}) {
    if ($dimension{$instance.'.criteria.'.$id.'.mandatory'} 
       eq 'N') {
       $opt_count++;
       if ($Apache::lonhomework::history{"resource.$version.0.$dim.$instance.$id.status"} eq 'pass') {
    $opt_passed++;
       }
    } else {
       $man_count++;
       if ($Apache::lonhomework::history{"resource.$version.0.$dim.$instance.$id.status"} eq 'pass') {
    $man_passed++;
       }
    }
       }
       if ($man_passed eq $man_count) { $man_passed='all'; }
       my $opt_req=$dimension{$instance.'.optionalrequired'};
       if ($opt_req !~ /\S/) { $opt_req='0'; }
       $dim_info.="\n<p>".&mt('You passed [_1] of the [_2] mandatory components and [_3] of the [_4] optional components, of which you were required to pass [_5].',$man_passed,$man_count,$opt_passed,$opt_count,$opt_req)."</p>\n</div>";
   
       my $internal_location=&internal_location($dim);
       $result=~s/\Q$internal_location\E/$dim_info/;
   
       foreach my $id (@{$dimension{$instance.'.criterias'}}) {
    my $status=$Apache::lonhomework::history{"resource.$version.0.$dim.$instance.$id.status"};
    my $comment=$Apache::lonhomework::history{"resource.$version.0.$dim.$instance.$id.comment"};
    my $mandatory=($dimension{$instance.'.criteria.'.$id.'.mandatory'} ne 'N');
    if ($mandatory) {
       $mandatory='Mandatory';
    } else {
       $mandatory='Optional';
    }
    if ($status eq 'fail') {
    } elsif ($status eq 'pass') {
    } else {
       &Apache::lonxml::error("Student viewing a graded bridgetask was shown a status of $status");
    }
    my $status_display=$status;
    $status_display=~s/^([a-z])/uc($1)/e;
    @Apache::scripttag::parser_env = @_;
    $result.='<div class="'.$status.'"><h4>'.$mandatory.
       ' Criteria</h4><p>';
    @Apache::scripttag::parser_env = @_;
    $result.=&Apache::scripttag::xmlparse($dimension{$instance.'.criteria.'.$id});
    $result.='</p><p class="grade">'.$status_display.'</p>';
    if ($Apache::lonhomework::history{"resource.$version.0.$dim.$instance.$id.comment"}) {
       $result.='<p class="comment">'.$Apache::lonhomework::history{"resource.$version.0.$dim.$instance.$id.comment"}.'</p>';
    }
    $result.='</div>';
     }      }
     $result.=$dimension{$instance.'.criteria.'.$id}.  
  '</td></tr></table>';  
  }   }
     }      }
  } elsif ($target eq 'webgrade') {   } elsif ($target eq 'webgrade') {
       # in case of any side effects that we need
       @Apache::scripttag::parser_env = @_;
       &Apache::scripttag::xmlparse($dimension{'intro'});
       @Apache::scripttag::parser_env = @_;
       &Apache::scripttag::xmlparse($dimension{$instance.'.text'});
     foreach my $id (@{$dimension{$instance.'.criterias'}}) {      foreach my $id (@{$dimension{$instance.'.criterias'}}) {
  my $link='criteria_'.$instance.'_'.$id;   my $link='criteria_'.$instance.'_'.$id;
  my $status=$Apache::lonhomework::history{"resource.$version.$dim.$instance.$id.status"};   my $status=$Apache::lonhomework::history{"resource.$version.0.$dim.$instance.$id.status"};
  $result.='<tr><td width="100%" valign="top">'.   $result.='<tr><td width="100%" valign="top">'.
     '<a name="'.$link.'" />'.      '<a name="'.$link.'" />'.
     '<a name="next_'.$last_link.'" />'.      '<a name="next_'.$last_link.'" />'.
     '<br /><textarea enabled="false" style="width:100%" rows="8" width="25" wrap="hard">'.$dimension{$instance.'.criteria.'.$id}.'</textarea>'.      '<br /><textarea enabled="false" style="width:100%" rows="8" width="25" wrap="hard">';
    @Apache::scripttag::parser_env = @_;
    $result.=&Apache::scripttag::xmlparse($dimension{$instance.'.criteria.'.$id});
    $result.='</textarea>'.
     #$dimension{$instance.'.criteria.'.$id}.      #$dimension{$instance.'.criteria.'.$id}.
     '</td>'.      '</td>'.
     '<td><nobr>Additional Comment for Student</nobr> <br />'.      '<td><nobr>Additional Comment for Student</nobr> <br />'.
     '<textarea style="width:100%" rows="8" width="25" wrap="hard" name="HWVAL_comment_'.$link.'">'.&HTML::Entities::encode($Apache::lonhomework::history{"resource.$version.$dim.$instance.$id.comment"}).'</textarea>'.      '<textarea style="width:100%" rows="8" width="25" wrap="hard" name="HWVAL_comment_'.$link.'">'.&HTML::Entities::encode($Apache::lonhomework::history{"resource.$version.0.$dim.$instance.$id.comment"}).'</textarea>'.
     '</td>'.      '</td>'.
     '<td>'.      '<td>'.
     '<nobr><label><input type="radio" name="HWVAL_'.$link.'" value="ungraded" '.($status eq 'ungraded' || !$status ? 'checked="checked"':'').'/>'.&mt('Ungraded').'</label></nobr><br />'.      '<nobr><label><input type="radio" name="HWVAL_'.$link.'" value="ungraded" '.($status eq 'ungraded' || !$status ? 'checked="checked"':'').' />'.&mt('Ungraded').'</label></nobr><br />'.
     '<label><input type="radio" name="HWVAL_'.$link.'" value="pass" '.($status eq 'pass' ? 'checked="checked"':'').' />'.&mt('Pass').'</label><br />'.      '<label><input type="radio" name="HWVAL_'.$link.'" value="pass" '.($status eq 'pass' ? 'checked="checked"':'').' />'.&mt('Pass').'</label><br />'.
     '<label><input type="radio" name="HWVAL_'.$link.'" value="fail" '.($status eq 'fail' ? 'checked="checked"':'').' />'.&mt('Fail').'</label><br />'.      '<label><input type="radio" name="HWVAL_'.$link.'" value="fail" '.($status eq 'fail' ? 'checked="checked"':'').' />'.&mt('Fail').'</label><br />'.
     '<label><input type="radio" name="HWVAL_'.$link.'" value="review" '.($status eq 'review' ? 'checked="checked"':'').' />'.&mt('Review').'</label><br />'.      '<label><input type="radio" name="HWVAL_'.$link.'" value="review" '.($status eq 'review' ? 'checked="checked"':'').' />'.&mt('Review').'</label><br />'.
Line 878  sub get_instance { Line 1713  sub get_instance {
     '<td>'.      '<td>'.
     '<a href="#'.$last_link.'">Prev</a><br />'.      '<a href="#'.$last_link.'">Prev</a><br />'.
     '<a href="#next_'.$link.'">Next</a><br /><br /><br />'.      '<a href="#next_'.$link.'">Next</a><br /><br /><br />'.
     '<input type="submit" name="next" value="'.  
     &mt('Done').'" /> '.  
     '<input type="submit" name="stop" value="'.  
     &mt('Stop').'" /> '.  
     '</td></tr>';      '</td></tr>';
  $result.='<tr><td colspan="4">';  
  my (undef,undef,$udom,$uname) = &Apache::lonxml::whichuser();  
  my $file_url = '/uploaded/'.$udom.'/'.$uname.'/portfolio';  
  foreach my $partial_file (split(',',$Apache::lonhomework::history{"resource.$version.bridgetask.portfiles"})) {  
     my $file=$file_url.$partial_file;  
     &Apache::lonnet::allowuploaded('/adm/bridgetask',$file);  
     $result.='<a href="'.$file.'" target="lonGRDs"><img src="'.  
  &Apache::loncommon::icon($file).'" border=0"> '.$file.  
  '</a>';  
  }  
  $result.='</td></tr>';  
  $last_link=$link;   $last_link=$link;
     }      }
  } elsif ($target eq 'grade' && $env{'form.webgrade'}) {   } elsif ($target eq 'grade' && $env{'form.webgrade'}) {
Line 902  sub get_instance { Line 1722  sub get_instance {
     my $ungraded=0;      my $ungraded=0;
     my $review=0;      my $review=0;
     foreach my $id (@{$dimension{$instance.'.criterias'}}) {      foreach my $id (@{$dimension{$instance.'.criterias'}}) {
  my $status=$Apache::lonhomework::results{"resource.$version.$dim.$instance.$id.status"}=$env{'form.HWVAL_criteria_'.$instance.'_'.$id};   my $status=$Apache::lonhomework::results{"resource.$version.0.$dim.$instance.$id.status"}=$env{'form.HWVAL_criteria_'.$instance.'_'.$id};
  $Apache::lonhomework::results{"resource.$version.$dim.$instance.$id.comment"}=$env{'form.HWVAL_comment_criteria_'.$instance.'_'.$id};   $Apache::lonhomework::results{"resource.$version.0.$dim.$instance.$id.comment"}=$env{'form.HWVAL_comment_criteria_'.$instance.'_'.$id};
  my $mandatory=($dimension{$instance.'.criteria.'.$id.'.mandatory'} ne 'N');   my $mandatory=($dimension{$instance.'.criteria.'.$id.'.mandatory'} ne 'N');
  if ($status eq 'pass') {   if ($status eq 'pass') {
     if (!$mandatory) { $optional_passed++; }      if (!$mandatory) { $optional_passed++; }
Line 914  sub get_instance { Line 1734  sub get_instance {
  } elsif ($status eq 'ungraded') {   } elsif ($status eq 'ungraded') {
     $ungraded++;      $ungraded++;
  } else {   } else {
     &Apache::lonxml::error("got weird status --$status--");      $ungraded++;
  }   }
     }      }
     if ($optional_passed < $dimension{$instance.'.optionalrequired'}) {      if ($optional_passed < $dimension{$instance.'.optionalrequired'}) {
Line 922  sub get_instance { Line 1742  sub get_instance {
     }      }
     &Apache::lonxml::debug("all instance ".join(':',@{$dimension{$instance.'.criterias'}})." results -> m_f $mandatory_failed o_p $optional_passed u $ungraded r $review");      &Apache::lonxml::debug("all instance ".join(':',@{$dimension{$instance.'.criterias'}})." results -> m_f $mandatory_failed o_p $optional_passed u $ungraded r $review");
     if ($review) {      if ($review) {
  $Apache::lonhomework::results{"resource.$version.$dim.status"}=   $Apache::lonhomework::results{"resource.$version.0.$dim.status"}=
     'review';      'review';
     } elsif ($ungraded) {      } elsif ($ungraded) {
  $Apache::lonhomework::results{"resource.$version.$dim.status"}=   $Apache::lonhomework::results{"resource.$version.0.$dim.status"}=
     'ungraded';      'ungraded';
     } elsif ($mandatory_failed) {      } elsif ($mandatory_failed) {
  $Apache::lonhomework::results{"resource.$version.$dim.status"}=   $Apache::lonhomework::results{"resource.$version.0.$dim.status"}=
     'fail';      'fail';
     } else {      } else {
  $Apache::lonhomework::results{"resource.$version.$dim.status"}=   $Apache::lonhomework::results{"resource.$version.0.$dim.status"}=
     'pass';      'pass';
     }      }
    } else {
       # any other targets no output
       undef($result);
  }   }
  return $result;   return $result;
     }      }
 }  }
   
 sub start_IntroParagraph {  sub start_IntroParagraph {
     my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;      my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
     my $result;      my $result;
     if ($target eq 'web' || $target eq 'webgrade') {      if ($target eq 'web' || $target eq 'webgrade') {
  if ($tagstack->[-2] eq 'Dimension' || $target eq 'webgrade') {   if ($tagstack->[-2] eq 'Dimension') {
     &Apache::lonxml::startredirection();      $dimension{'intro'}=&Apache::lonxml::get_all_text('/introparagraph',$parser,$style);
   
    } elsif ($target eq 'webgrade') {
       &Apache::lonxml::get_all_text('/introparagraph',$parser,$style);
  }   }
   
     }      }
     return $result;      return $result;
 }  }
   
 sub end_IntroParagraph {  sub end_IntroParagraph {
     my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;  
     my $result;  
     if ($target eq 'web' || $target eq 'webgrade') {  
  if ($tagstack->[-2] eq 'Dimension' || $target eq 'webgrade') {  
     $dimension{'intro'}=&Apache::lonxml::endredirection();  
  }  
     }  
     return $result;  
 }  }
   
 sub start_Instance {  sub start_Instance {
Line 969  sub start_Instance { Line 1788  sub start_Instance {
     push(@Apache::bridgetask::instancelist,$id);      push(@Apache::bridgetask::instancelist,$id);
     $dimension{$id.'.optionalrequired'}=      $dimension{$id.'.optionalrequired'}=
  &Apache::lonxml::get_param('OptionalRequired',$parstack,$safeeval);   &Apache::lonxml::get_param('OptionalRequired',$parstack,$safeeval);
       my $disabled = &Apache::lonxml::get_param('Disabled',$parstack,$safeeval);
       if (lc($disabled) eq 'yes') {
    $dimension{$id.'.disabled'}='1';
       }
     return '';      return '';
 }  }
   
 sub end_Instance {  sub end_Instance {
     my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;  
     return '';  
 }  }
   
 sub start_InstanceText {  sub start_InstanceText {
     my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;      my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
       my $instance_id=$Apache::bridgetask::instance[-1];
       my $text=&Apache::lonxml::get_all_text('/instancetext',$parser,$style);
     if ($target eq 'web' || $target eq 'webgrade') {      if ($target eq 'web' || $target eq 'webgrade') {
  &Apache::lonxml::startredirection();   $dimension{$instance_id.'.text'}=$text;
     }      }
     return '';      return '';
 }  }
   
 sub end_InstanceText {  sub end_InstanceText {
     my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;  
     my $instance_id=$Apache::bridgetask::instance[-1];  
     if ($target eq 'web' || $target eq 'webgrade') {  
  $dimension{$instance_id.'.text'}=&Apache::lonxml::endredirection();  
     }  
     return '';      return '';
 }  }
   
 sub start_Criteria {  sub start_Criteria {
     my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;      my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
     if ($target eq 'web' || $target eq 'webgrade' || $target eq 'grade') {  
  &Apache::lonxml::startredirection();  
     }  
     return '';  
 }  
   
 sub end_Criteria {  
     my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;  
     my $instance_id=$Apache::bridgetask::instance[-1];      my $instance_id=$Apache::bridgetask::instance[-1];
       my $criteria=&Apache::lonxml::get_all_text('/criteria',$parser,$style);
     if ($target eq 'web' || $target eq 'webgrade' || $target eq 'grade') {      if ($target eq 'web' || $target eq 'webgrade' || $target eq 'grade') {
  my $criteria=&Apache::lonxml::endredirection();  
  my $id=&get_id($parstack,$safeeval);   my $id=&get_id($parstack,$safeeval);
  $dimension{$instance_id.'.criteria.'.$id}=$criteria;   $dimension{$instance_id.'.criteria.'.$id}=$criteria;
  $dimension{$instance_id.'.criteria.'.$id.'.mandatory'}=   $dimension{$instance_id.'.criteria.'.$id.'.mandatory'}=
Line 1016  sub end_Criteria { Line 1826  sub end_Criteria {
     return '';      return '';
 }  }
   
   sub end_Criteria {
   }
   
 sub proctor_validation_screen {  sub proctor_validation_screen {
     my ($slot) = @_;      my ($slot) = @_;
     my (undef,undef,$domain,$user) = &Apache::lonxml::whichuser();      my (undef,undef,$domain,$user) = &Apache::lonxml::whichuser();
     my $url=&Apache::lonnet::studentphoto($domain,$user,'jpg');      my $url=&Apache::lonnet::studentphoto($domain,$user,'jpg');
     $user=$env{'form.proctorname'};      my $name=&Apache::loncommon::plainname($user,$domain);
     if ($env{'form.proctordomain'}) { $domain=$env{'form.proctordomain'}; }      
     my $msg;      my $msg;
     if ($env{'form.proctorpassword'}) {      if ($env{'form.proctorpassword'}) {
  $msg='<p><font color="red">'.&mt("Failed to authenticate the proctor.")   $msg='<p><font color="red">'.&mt("Failed to authenticate the proctor.")
     .'</font></p>';      .'</font></p>';
     }      }
       if (!$env{'form.proctordomain'}) { $env{'form.proctordomain'}=$domain; }
     my $result= (<<ENDCHECKOUT);      my $result= (<<ENDCHECKOUT);
 <h2>Proctor Validation</h2>  <h2>Proctor Validation</h2>
     <p>Your room's proctor needs to validate your access to this resource.</p>      <p>Your room's proctor needs to validate your access to this resource.</p>
Line 1035  sub proctor_validation_screen { Line 1849  sub proctor_validation_screen {
 <input type="hidden" name="validate" value="yes" />  <input type="hidden" name="validate" value="yes" />
 <input type="hidden" name="submitted" value="yes" />  <input type="hidden" name="submitted" value="yes" />
 <table>  <table>
   <tr><td>Proctor's Username:</td><td><input type="string" name="proctorname" value="$user" /></td></tr>    <tr><td>Proctor's Username:</td><td><input type="string" name="proctorname" value="$env{'form.proctorname'}" /></td></tr>
   <tr><td>Password:</td><td><input type="password" name="proctorpassword" value="" /></td></tr>    <tr><td>Password:</td><td><input type="password" name="proctorpassword" value="" /></td></tr>
   <tr><td>Proctor's Domain:</td><td><input type="string" name="proctordomain" value="$domain" /></td></tr>    <tr><td>Proctor's Domain:</td><td><input type="string" name="proctordomain" value="$env{'form.proctordomain'}" /></td></tr>
 </table>  </table>
 <input type="submit" name="checkoutbutton" value="Validate"  /><br />  <input type="submit" name="checkoutbutton" value="Validate"  /><br />
 Student who should be logged in is:<br />  <table border="1">
 <img src="$url" /><br />    <tr><td>
       <table>
         <tr><td colspan="2">Student who should be logged in is:</td></tr>
         <tr><td>Name:</td><td>$name</td></tr>
         <tr><td>Student ID:</td><td>$env{'environment.id'}</td></tr>
         <tr><td>Usename</td><td>$user\@$domain</td></tr>
         <tr><td colspan="2"><img src="$url" /></td></tr>
       </table>
     </tr></td>
   </table>
 </form>  </form>
 ENDCHECKOUT  ENDCHECKOUT
     return $result;      return $result;

Removed from v.1.32  
changed lines
  Added in v.1.99


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