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Diff for /loncom/homework/bridgetask.pm between versions 1.46 and 1.111

version 1.46, 2005/09/09 18:45:56 version 1.111, 2006/02/20 21:43:16
Line 60  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 68  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"}=
       $slot_name;
     }      }
  }   }
     }      }
Line 93  sub get_version { Line 116  sub get_version {
     my ($version,$previous);      my ($version,$previous);
     if ($env{'form.previousversion'} &&       if ($env{'form.previousversion'} && 
  $env{'form.previousversion'} ne 'current' &&   $env{'form.previousversion'} ne 'current' &&
  defined($Apache::lonhomework::history{'resource.'.$env{'form.previousversion'}.'.status'})) {   defined($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;   $previous=0;
     }      }
     if (wantarray) {      if (wantarray) {
Line 109  sub get_version { Line 132  sub get_version {
 sub add_previous_version_button {  sub add_previous_version_button {
     my ($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 123  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);
  }   }
     }      }
Line 144  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" />';      $result.='<input type="hidden" name="grade_target" value="webgrade" />';
     if (&Apache::lonnet::allowed('mgq',$env{'request.course.id'})) {      if (&Apache::lonnet::allowed('mgq',$env{'request.course.id'})) {
  my ($entries,$ready,$locks)=&get_queue_counts('gradingqueue');   my ($entries,$ready,$locks)=&get_queue_counts('gradingqueue');
  $result.='<p>'.&mt("Grading Queue has [_1] entries. [_2] of them are ready to be graded and [_3] of them are currently being graded",$entries,$ready,$locks);   $result.='<table><tr>';
    $result.='<td rowspan="4">Specify a section: </td><td rowspan="4">'.$sec_select.'</td>';
    $result.='<td>'.' <input type="submit" name="reviewagrading" value="'.
       &mt("Select an entry from the grading queue:").'" /> ';
   
  $result.=' <input type="submit" name="reviewagrading" value="'.   $result.= &mt("[_1] entries, [_2] ready, [_3] being graded",$entries,$ready,$locks).' </td></tr>'."\n";
     &mt("Select an entry from the grading queue").'" /> </p>'."\n";  
   
  ($entries,$ready,$locks)=&get_queue_counts('reviewqueue');   ($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.='<tr><td>'.
  $result.=' <input type="submit" name="reviewasubmission" value="'.      ' <input type="submit" name="reviewasubmission" value="'.
     &mt("Select an entry from the review queue").'" /> </p>'."\n";      &mt("Select an entry from the review queue:").'" /> ';
     }   $result.=&mt("[_1] entries, [_2] ready, [_3] being graded",
        $entries,$ready,$locks).'</td></tr>'."\n";
    $result.='<tr><td> <input type="submit" name="regradeasubmission" value="'.
       &mt("List of user's grade status").'" /> </td></tr></table>'."\n";
    $result.='<p> <input type="submit" name="regradeaspecificsubmission" value="'.
       &mt("Regrade specific user:").'" />'."\n";
    $result.='<input type="text" size="12" name="gradinguser" />';
    $result.=&Apache::loncommon::select_dom_form($env{'user.domain'},
        'gradingdomain');
    $result.=' '.
       &Apache::loncommon::selectstudent_link('gradesubmission',
      'gradinguser',
      'gradingdomain');
    $result.=&Apache::loncommon::studentbrowser_javascript();
     }
     return $result;      return $result;
 }  }
   
Line 202  sub preserve_grade_info { Line 257  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 $result=<<INFO;
   <div class="handininfo">
     <div class="maincontrols">
       <input type="submit" name="next" value="$lt{'done'}" />
       <input type="submit" name="stop" value="$lt{'stop'}" />
     </div>
     $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;      $Apache::lonhomework::parsing_a_task=1;
Line 216  sub start_Task { Line 420  sub start_Task {
     my ($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'};
Line 224  sub start_Task { Line 428  sub start_Task {
     $body_tag_start.=$uri.'">'.&add_grading_button()."</form>";      $body_tag_start.=$uri.'">'.&add_grading_button()."</form>";
     my $symb=&Apache::lonnet::symbread();      my $symb=&Apache::lonnet::symbread();
     if (&Apache::lonnet::allowed('mgq',$env{'request.course.id'})) {      if (&Apache::lonnet::allowed('mgq',$env{'request.course.id'})) {
  $body_tag_start.='<form method="POST" action="/adm/slotrequest">'.   $body_tag_start.='<form method="POST" name="slotrequest" action="/adm/slotrequest">'.
     '<input type="hidden" name="symb" value="'.$symb.'" />'.      '<input type="hidden" name="symb" value="'.$symb.'" />'.
     '<input type="hidden" name="command" value="showslots" />'.      '<input type="hidden" name="command" value="showslots" />'.
     '<input type="submit" name="requestattempt" value="'.      '<input type="submit" name="requestattempt" value="'.
     &mt('Show Slot list').'" />'.      &mt('Show Slot list').'" />'.
     '</form>';      '</form>';
    my $target_id = 
       &Apache::lonstathelpers::make_target_id({symb => $symb,
        part => '0'});
    $body_tag_start.='<form method="POST" name="gradingstatus" action="/adm/statistics">'.
       '<input type="hidden" name="problemchoice" value="'.$target_id.'" />'.
       '<input type="hidden" name="reportSelected" value="grading_analysis" />'.
       '<input type="submit" name="grading" value="'.
       &mt('Show Grading Status').'" />'.
       '</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>';      $msg.='<h1>'.&mt('Unable to determine if this resource is open due to network problems. Please try again later.').'</h1>';
Line 267  sub start_Task { Line 479  sub start_Task {
  '</h1>'.&proctor_validation_screen($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>';      $msg.='<h1>'.&mt('Not open to be viewed').'</h1>';
  }   }
Line 283  sub start_Task { Line 507  sub start_Task {
  }   }
     } elsif ($target eq 'grade' && !$env{'form.webgrade'}) {      } elsif ($target eq 'grade' && !$env{'form.webgrade'}) {
  if ($status eq 'NEEDS_CHECKIN') {   if ($status eq 'NEEDS_CHECKIN') {
     &proctor_check_auth($slot_name,$slot);      if(&proctor_check_auth($slot_name,$slot,'Task')
          && defined($Apache::inputtags::slot_name)) {
    my $result=&add_to_queue('gradingqueue',
    [$Apache::inputtags::slot_name]);
    &Apache::lonxml::debug("add_to_queue said $result");
       }
  }   }
     }      }
  } elsif ($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";                $body_tag_start \n".&style();
           
     my ($version,$previous)=&get_version();      $result.=&preserve_grade_info();
     if ($Apache::lonhomework::history{"resource.$version.status"} eq 'fail') {      $result.=&internal_location();
  $result.='<h1><font color="red">'.&mt('Did not pass').'</font></h1>';  
  if (!$previous) {  
     $result.=&add_request_another_attempt_button();  
  }  
     }  
     if ($Apache::lonhomework::history{"resource.$version.status"} eq 'pass') {  
  $result.='<h1><font color="green">'.&mt('Passed').'</font></h1>';  
     }  
     $result.=$form_tag_start.      $result.=$form_tag_start.
  '<input type="hidden" name="submitted" value="yes" />';   '<input type="hidden" name="submitted" value="yes" />';
     $result.=&preserve_grade_info();      &Apache::lonxml::startredirection();
   
  }   }
     } 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') {
     $result.=$head_tag_start.$body_tag_start;      $result.=$head_tag_start.'</head>'.$body_tag_start;
     $result.='<br />Review'.&show_queue('reviewqueue');      #$result.='<br />Review'.&show_queue('reviewqueue');
     $result.='<br />Grade'.&show_queue('gradingqueue');      #$result.='<br />Grade'.&show_queue('gradingqueue');
  }   }
  # FIXME Blast! still need to reorg this, need to reshow the   # FIXME Blast! still need to reorg this, need to reshow the
         #       queue being reviewed once done with the grade pass...          #       queue being reviewed once done with the grade pass...
         #       Hrrm, vaildation pass should perhaps say 'not_locked'          #       Hrrm, vaildation pass should perhaps say 'not_locked'
         #       perhaps do a search if there is a key that is mine and if          #       perhaps do a search if there is a key that is mine and if
         #       there isn't reshow the queue....          #       there isn't reshow the queue....
  my ($todo,$status_code)=&get_key_todo($target);   my ($todo,$status_code,$msg)=&get_key_todo($target);
   
  &Apache::lonnet::logthis("got todo -$todo- stat -$status_code-");  
  if ($todo) {   if ($todo) {
     &setup_env_for_other_user($todo,$safeeval);      &setup_env_for_other_user($todo,$safeeval);
     my ($symb,$uname,$udom)=&decode_queue_key($todo);      my ($symb,$uname,$udom)=&decode_queue_key($todo);
Line 333  sub start_Task { Line 552  sub start_Task {
     $Apache::bridgetask::queue_key=$todo;      $Apache::bridgetask::queue_key=$todo;
     &Apache::structuretags::initialize_storage();      &Apache::structuretags::initialize_storage();
     &Apache::lonhomework::showhash(%Apache::lonhomework::history);      &Apache::lonhomework::showhash(%Apache::lonhomework::history);
     if ($target eq 'webgrade') {      if ($target eq 'webgrade' && $status_code eq 'selected') {
  $result.='<br />After -'.&show_queue($env{'form.queue'});   $form_tag_start.=
  $result.="\n".'<table width="100%" style="width:100%" border="1">';      '<input type="hidden" name="queuemode" value="selected" />';
  if ($status_code eq 'selected') {  
     $form_tag_start.=  
  '<input type="hidden" name="queuemode" value="selected" />';  
  }  
     }      }
  } else {   } else {
     if ($target eq 'webgrade') {      if ($target eq 'webgrade') {
  $result.="\n";   $result.="\n";
    my $back='<p><a href="/adm/flip?postdata=return:">'.
       &mt('Return to resource').'</a></p>';
  if      ($status_code eq 'stop') {   if      ($status_code eq 'stop') {
     $result.='<b>'.&mt("Stopped grading.").'</b>';      $result.='<b>'.&mt("Stopped grading.").'</b>'.$back;
  } elsif ($status_code eq 'lock_failed') {   } elsif ($status_code eq 'lock_failed') {
     $result.='<b>'.&mt("Failed to lock the request record.").'</b>';      $result.='<b>'.&mt("Failed to lock the requested record.")
    .'</b>'.$back;
  } elsif ($status_code eq 'unlock') {   } elsif ($status_code eq 'unlock') {
     $result.='<b>'.&mt("Unlocked the requested record.").'</b>';      $result.='<b>'.&mt("Unlocked the requested record.")
    .'</b>'.$back;
     $result.=&show_queue($env{'form.queue'},1);      $result.=&show_queue($env{'form.queue'},1);
  } elsif ($status_code eq 'show_list') {   } elsif ($status_code eq 'show_list') {
     $result.=&show_queue($env{'form.queue'},1);      $result.=&show_queue($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;
    } elsif ($status_code eq 'not_allowed') {
       $result.='<b>'.&mt('Not allowed to grade the requested user.').' '.$msg.'</b>'.$back;
  } else {   } else {
     $result.='<b>'.&mt("No user to be graded.").'</b>';      $result.='<b>'.&mt("No user to be graded.").'</b>'.$back;
  }   }
     }      }
     $webgrade='no';      $webgrade='no';
     my $bodytext=&Apache::lonxml::get_all_text("/task",$parser);      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') { $result.=&webgrade_standard_info(); }
    }
    if ($target eq 'webgrade') {
       $result.="\n".'<div id="criterialist">';
  }   }
       } elsif ($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 379  sub get_key_todo { Line 630  sub get_key_todo {
     my $todo;      my $todo;
   
     if (defined($env{'form.reviewasubmission'})) {      if (defined($env{'form.reviewasubmission'})) {
  &Apache::lonnet::logthis("review a submission....");   &Apache::lonxml::debug("review a submission....");
  $env{'form.queue'}='reviewqueue';   $env{'form.queue'}='reviewqueue';
  return (undef,'show_list');   return (undef,'show_list');
     }      }
Line 390  sub get_key_todo { Line 641  sub get_key_todo {
  return (undef,'show_list');   return (undef,'show_list');
     }      }
   
       if (defined($env{'form.regradeasubmission'})) {
    &Apache::lonxml::debug("regrade a grading....");
    $env{'form.queue'}='none';
    return (undef,'select_user');
       }
   
   
       my $me=$env{'user.name'}.'@'.$env{'user.domain'};
   
       #need to try both queues..
       if (defined($env{'form.regradeaspecificsubmission'}) &&
    defined($env{'form.gradinguser'})               &&
    defined($env{'form.gradingdomain'})               ) {
    my ($symb,$cid)=&Apache::lonxml::whichuser();
    my $cnum  = $env{'course.'.$cid.'.num'};
    my $cdom  = $env{'course.'.$cid.'.domain'};
    my $uname = $env{'form.gradinguser'};
    my $udom  = $env{'form.gradingdomain'};
   
    my $gradingkey=&encode_queue_key($symb,$udom,$uname);
   
    my $queue;
   
    if      (&in_queue('gradingqueue',$symb,$cdom,$cnum,$udom,$uname)) {
       $env{'form.queue'} = $queue = 'gradingqueue';
    } elsif (&in_queue('reviewqueue' ,$symb,$cdom,$cnum,$udom,$uname)) {
       $env{'form.queue'} = $queue = 'reviewqueue';
    }
   
    if (!$queue) {
       $env{'form.queue'} = $queue = 'none';
       #not queued so doing either a re or pre grade
       return ($gradingkey);
    }
   
    my $who=&queue_key_locked($queue,$gradingkey);
    if ($who eq $me) {
       #already have the lock
       $env{'form.gradingkey'}=&Apache::lonnet::escape($gradingkey);
       return ($gradingkey);
    }
   
    if (!defined($who)) {
       if (&lock_key($queue,$gradingkey)) {
    return ($gradingkey);
       } else {
    return (undef,'lock_failed');
       }
    }
   
    #otherwise (defined($who) && $who ne $me) some else has it...
    return (undef,'not_allowed',
    &mt('Another user ([_1]) currently has the record for [_2] locked.',
       $who,$env{'form.gradinguser'}.'@'.$env{'form.gradingdomain'}));
       }
   
   
     my $queue=$env{'form.queue'};      my $queue=$env{'form.queue'};
   
     if (!defined($queue)) {      if (!defined($queue)) {
Line 398  sub get_key_todo { Line 706  sub get_key_todo {
   
     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($env{'form.gradingaction'})    && !defined($env{'form.gradingaction'}) 
  && $env{'form.queuemode'} eq 'selected') {   && $env{'form.queuemode'} eq 'selected') {
   
  my $who=&queue_key_locked($queue,$gradingkey);   my $who=&queue_key_locked($queue,$gradingkey);
  my $me=$env{'user.name'}.'@'.$env{'user.domain'};  
  if ($who eq $me) {   if ($who eq $me) {
     &Apache::lonxml::debug("Found a key was given to me");      &Apache::lonxml::debug("Found a key was given to me");
     return ($gradingkey,'selected');      return ($gradingkey,'selected');
Line 446  sub get_key_todo { Line 767  sub get_key_todo {
     return (undef,undef)      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});
    }
       }
   }
   
 sub end_Task {  sub end_Task {
     my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;      my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
     my $result='';      my $result='';
Line 453  sub end_Task { Line 784  sub end_Task {
     my ($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("$version.0",
   "bridgetask","*",    "bridgetask","*",
Line 467  sub end_Task { Line 799  sub end_Task {
 <h2>'.&mt('Submit Portfolio Files for Grading').'</h2>  <h2>'.&mt('Submit Portfolio Files for Grading').'</h2>
 <p>'.&mt('Indicate the files from your portfolio to be evaluated in grading this task.').'</p>').  <p>'.&mt('Indicate the files from your portfolio to be evaluated in grading this task.').'</p>').
   "</table>";    "</table>";
    }
    if (!$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 487  sub end_Task { Line 875  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 505  sub end_Task { Line 901  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 516  sub end_Task { Line 912  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';
  if ($env{'form.queue'} eq 'reviewqueue') {   if ($env{'form.queue'} eq 'reviewqueue') {
     &check_queue_unlock($env{'form.queue'});      &check_queue_unlock($env{'form.queue'});
     &Apache::lonxml::debug(" still needs review not changing status.");      &Apache::lonxml::debug(" still needs review not changing status.");
  } else {   } else {
     &move_between_queues('gradingqueue','reviewqueue');      &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';
  if ($env{'form.queue'} eq 'reviewqueue') {   if ($env{'form.queue'} eq 'reviewqueue' ||
       $env{'form.queue'} eq 'none' ) {
     &Apache::lonxml::debug("moving back.");      &Apache::lonxml::debug("moving back.");
     &move_between_queues('reviewqueue','gradingqueue');      &move_between_queues($env{'form.queue'},'gradingqueue');
  } else {   } else {
     &check_queue_unlock($env{'form.queue'});      &check_queue_unlock($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();   my ($symb,$courseid,$udom,$uname)=&Apache::lonxml::whichuser();
  $Apache::lonhomework::results{"resource.$version.0.bridgetask.portfiles"}=  
     $Apache::lonhomework::history{"resource.$version.0.bridgetask.portfiles"};   if ($env{'form.regrade'} ne 'yes') {
  &Apache::grades::version_portfiles(      $Apache::lonhomework::results{"resource.$version.0.bridgetask.portfiles"}=
  \%Apache::lonhomework::results,   $Apache::lonhomework::history{"resource.$version.0.bridgetask.portfiles"};
  ["$version.0.bridgetask"],$courseid,      &Apache::grades::version_portfiles(
  $symb,$udom,$uname,         \%Apache::lonhomework::results,
  ["$version.0.bridgetask"]);         ["$version.0.bridgetask"],$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();   my ($symb,$courseid,$udom,$uname)=&Apache::lonxml::whichuser();
  $Apache::lonhomework::results{"resource.$version.0.bridgetask.portfiles"}=   if ($env{'form.regrade'} ne 'yes') {
     $Apache::lonhomework::history{"resource.$version.0.bridgetask.portfiles"};      $Apache::lonhomework::results{"resource.$version.0.bridgetask.portfiles"}=
  &Apache::grades::version_portfiles(   $Apache::lonhomework::history{"resource.$version.0.bridgetask.portfiles"};
  \%Apache::lonhomework::results,      &Apache::grades::version_portfiles(
  ["$version.0.bridgetask"],$courseid,         \%Apache::lonhomework::results,
  $symb,$udom,$uname,         ["$version.0.bridgetask"],$courseid,
  ["$version.0.bridgetask"]);         $symb,$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') {
  $result.="</table>\n<hr />";   $result.="</div>\n<hr />";
  #$result.='<input type="submit" name="next" value="'.   #$result.='<input type="submit" name="next" value="'.
  #    &mt('Save &amp; Next').'" /> ';   #    &mt('Save &amp; Next').'" /> ';
  #$result.='<input type="submit" name="end" value="'.   #$result.='<input type="submit" name="end" value="'.
Line 595  sub end_Task { Line 1000  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 605  sub end_Task { Line 1016  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 617  sub move_between_queues { Line 1033  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 634  sub check_queue_unlock { Line 1051  sub check_queue_unlock {
     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 668  sub get_queue_data { Line 1111  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 684  sub show_queue { Line 1159  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 - $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 - $queue </h3><table border='1'><tr>";      my $title=&Apache::lonnet::gettitle($symb);
     if ($with_selects) { $result.="<th></th>"; }      $result.="\n<h3>Current Queue - $title $queue </h3><table border='1'><tr>";
     $result.="<th>resource</th><th>user</th><th>type</th><th>data</th></tr>";      if ($with_selects) { $result.="<th>Status</th><th></th>"; }
       $result.="<th>user</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);      $result.="<tr><td>$uname</td>";
     my $title=&Apache::lonnet::gettitle($symb);      $result.='<td>'.$queue{$key}.'</td></tr>';
     $result.="<tr><td>$title</td><td>$uname</td>";  
     $result.='<td>lock</td><td>'.$queue{$key}.'</td></tr>';  
  } elsif ($key=~/timestamp$/ && !$with_selects) {   } elsif ($key=~/timestamp$/ && !$with_selects) {
     my ($symb,undef) = split("\0",$key);      $result.="<tr><td></td>";
     my $title=&Apache::lonnet::gettitle($symb);      $result.='<td>'.
     $result.="<tr><td>$title</td><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);  
     $result.="<tr>";      $result.="<tr>";
     my $slot=$queue{$key}->[0];      my $slot=$queue{$key}->[0];
     my %slot_data=&Apache::lonnet::get_slot($slot);      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,$status)=('select',&mt('Select'));
  if (exists($queue{"$key\0locked"})) {   if (exists($queue{"$key\0locked"})) {
     my $me=$env{'user.name'}.'@'.$env{'user.domain'};      my $me=$env{'user.name'}.'@'.$env{'user.domain'};
       $status=&mt('Locked by <tt>[_1]</tt>',$queue{"$key\0locked"});
     if ($me eq $queue{"$key\0locked"}) {      if ($me eq $queue{"$key\0locked"}) {
  ($action,$description)=('resume',&mt('Resume'));   ($action,$description)=('resume',&mt('Resume'));
     } else {      } else {
  ($action,$description)=('unlock',&mt('Unlock'));   ($action,$description)=('unlock',&mt('Unlock'));
     }      }
  }   }
    my $seclist;
    foreach my $sec (@chosen_sections) {
       $seclist.='<input type="hidden" name="chosensections" 
                                  value="'.$sec.'" />';
    }
  if (time > $slot_data{'endtime'}) {   if (time > $slot_data{'endtime'}) {
     $result.=(<<FORM);      $result.=(<<FORM);
   <td>$status</td>
 <td>  <td>
 <form method="POST">  <form style="display: inline" 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="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
Line 740  FORM Line 1231  FORM
     $result.='<td>'.&mt("In Progress").'</td>'      $result.='<td>'.&mt("In Progress").'</td>'
  }   }
     }      }
     $result.="<td>$title</td><td>$uname</td>";      $result.= "<td>".$fullname->{$uname.':'.$udom}.
     $result.='<td>queue entry</td><td>Slot: '.$slot.' End time: '.   " <tt>($uname\@$udom)</tt> </td>";
       $result.='<td>Slot: '.$slot.' End time: '.
  &Apache::lonlocal::locallocaltime($slot_data{'endtime'}).   &Apache::lonlocal::locallocaltime($slot_data{'endtime'}).
  "</td></tr>";   "</td></tr>";
  }   }
Line 763  sub get_queue_counts { Line 1255  sub get_queue_counts {
  return (0,0,0);   return (0,0,0);
     }      }
     my ($entries,$ready_to_grade,$locks)=(0,0,0);      my ($entries,$ready_to_grade,$locks)=(0,0,0);
       my %slot_cache;
     foreach my $key (sort(keys(%queue))) {      foreach my $key (sort(keys(%queue))) {
  if ($key=~/locked$/) {   if ($key=~/locked$/) {
     $locks++;      $locks++;
Line 772  sub get_queue_counts { Line 1265  sub get_queue_counts {
     my ($symb,$uname,$udom) = &decode_queue_key($key);      my ($symb,$uname,$udom) = &decode_queue_key($key);
     $entries++;      $entries++;
     my $slot=$queue{$key}->[0];      my $slot=$queue{$key}->[0];
     my %slot_data=&Apache::lonnet::get_slot($slot);      if (!exists($slot_cache{$slot})) {
     if (time > $slot_data{'endtime'}) {   my %slot_data=&Apache::lonnet::get_slot($slot);
    $slot_cache{$slot} = \%slot_data;
       }
       if (time > $slot_cache{$slot}{'endtime'}) {
  $ready_to_grade++;   $ready_to_grade++;
     }      }
  }   }
Line 781  sub get_queue_counts { Line 1277  sub get_queue_counts {
     return ($entries,$ready_to_grade,$locks);      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 805  sub queue_key_locked { Line 1306  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,$udom);
Line 820  sub pick_from_queue_data { Line 1324  sub pick_from_queue_data {
     &Apache::lonxml::debug("not time");      &Apache::lonxml::debug("not time");
     next;      next;
  }   }
  if (&queue_key_locked($queue,$key,$cdom,$cnum)) {   if (exists($queuedata->{"$key\0locked"})) {
     &Apache::lonxml::debug("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 865  sub lock_key { Line 1376  sub lock_key {
     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 874  sub get_from_queue { Line 1406  sub get_from_queue {
     my $todo=&find_mid_grade($queue,$symb,$cdom,$cnum);      my $todo=&find_mid_grade($queue,$symb,$cdom,$cnum);
     &Apache::lonxml::debug("found ".join(':',&decode_queue_key($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::lonxml::debug("$starttime");   &Apache::lonxml::debug("$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 _not_ in my section   #make a pass looking for a user _not_ in my section
  if ($env{'request.course.sec'}) {   if ($env{'request.course.sec'}) {
Line 892  sub get_from_queue { Line 1431  sub get_from_queue {
  # ready for grading   # ready for grading
  if (!$todo) {   if (!$todo) {
     &Apache::lonxml::debug("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::lonxml::debug("no sce $todo");
  }   }
  # no user to grade    # no user to grade 
Line 901  sub get_from_queue { Line 1439  sub get_from_queue {
  &Apache::lonxml::debug("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);
Line 920  sub get_from_queue { Line 1461  sub get_from_queue {
  &Apache::lonnet::del($queue,["$todo\0locked"],   &Apache::lonnet::del($queue,["$todo\0locked"],
      $cdom,$cnum);       $cdom,$cnum);
  &Apache::lonxml::debug("del");   &Apache::lonxml::debug("del");
    $attempts++;
  next;   next;
     }      }
  }   }
Line 929  sub get_from_queue { Line 1471  sub get_from_queue {
     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.'" />';
       }
       my $studentdis = $student;
       $studentdis =~ tr/:/@/;
       $result.=<<RESULT;
   <tr>
     <td>
       <form style="display: inline" method="POST">
         <input type="hidden" name="gradingkey" value="$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->{$student} <tt>($studentdis)</tt></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'};
    }
    if ($status{'grader'}) {
       $result .= ' '.&mt('(Graded by [_1])',$status{'grader'}).' ';
    }
    $result.= '</td><td>';
    if ($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 966  sub start_Dimension { Line 1634  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>';
     }      }
     $result.='</td></tr><tr><td>';      if ($dim_status eq 'fail') {
     if ($Apache::lonhomework::history{"resource.$version.$dim.$instance.$id.comment"}) {   $dim_info.='<h3>Question : you did not pass this '.$mandatory.' question</h3>';
  $result.=&mt('Comment from grader: ').$Apache::lonhomework::history{"resource.$version.$dim.$instance.$id.comment"}.'</td></tr><tr><td>';      }
       my $man_count=0;
       my $man_passed=0;
       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"}) {
       $result.='<p class="comment">'.&mt('Comment: [_1]',$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">'.   $result.='<div id="'.$link.'">'."\n".
     '<a name="'.$link.'" />'.      '<a name="'.$link.'" />'."\n".
     '<a name="next_'.$last_link.'" />'.      '<a name="next_'.$last_link.'" />'."\n".
     '<br /><textarea enabled="false" style="width:100%" rows="8" width="25" wrap="hard">'.$dimension{$instance.'.criteria.'.$id}.'</textarea>'.      '<div class="criteriatext">'."\n";
    @Apache::scripttag::parser_env = @_;
    $result.=&Apache::scripttag::xmlparse($dimension{$instance.'.criteria.'.$id});
    $result.='</div>'."\n".
     #$dimension{$instance.'.criteria.'.$id}.      #$dimension{$instance.'.criteria.'.$id}.
     '</td>'.      '<div class="grade">'."\n".
     '<td><nobr>Additional Comment for Student</nobr> <br />'.      '<label class="ungraded"><input type="radio" name="HWVAL_'.$link.'" value="ungraded" '.($status eq 'ungraded' || !$status ? 'checked="checked"':'').' />'.&mt('Ungraded').'</label>'."\n".
     '<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>'.      '<label class="fail"><input type="radio" name="HWVAL_'.$link.'" value="fail" '.($status eq 'fail' ? 'checked="checked"':'').' />'.&mt('Fail').'</label>'."\n".
     '</td>'.      '<label class="pass"><input type="radio" name="HWVAL_'.$link.'" value="pass" '.($status eq 'pass' ? 'checked="checked"':'').' />'.&mt('Pass').'</label>'."\n".
     '<td>'.      '<label class="review"><input type="radio" name="HWVAL_'.$link.'" value="review" '.($status eq 'review' ? 'checked="checked"':'').' />'.&mt('Review').'</label>'."\n".
     '<nobr><label><input type="radio" name="HWVAL_'.$link.'" value="ungraded" '.($status eq 'ungraded' || !$status ? 'checked="checked"':'').'/>'.&mt('Ungraded').'</label></nobr><br />'.      '</div>'."\n".
     '<label><input type="radio" name="HWVAL_'.$link.'" value="pass" '.($status eq 'pass' ? 'checked="checked"':'').' />'.&mt('Pass').'</label><br />'.      '<label class="comment">'.&mt('Additional Comment for Student').'</label>'."\n".
     '<label><input type="radio" name="HWVAL_'.$link.'" value="fail" '.($status eq 'fail' ? 'checked="checked"':'').' />'.&mt('Fail').'</label><br />'.      '<textarea class="comment_area" name="HWVAL_comment_'.$link.'">'.&HTML::Entities::encode($Apache::lonhomework::history{"resource.$version.0.$dim.$instance.$id.comment"}).'</textarea>'."\n".
     '<label><input type="radio" name="HWVAL_'.$link.'" value="review" '.($status eq 'review' ? 'checked="checked"':'').' />'.&mt('Review').'</label><br />'.      '</label>'."\n".
     '</td>'.      '<ul class="navbuttons">'."\n".
     '<td>'.      '<li><a href="#'.$last_link.'">Prev</a></li>'."\n".
     '<a href="#'.$last_link.'">Prev</a><br />'.      '<li><a href="#next_'.$link.'">Next</a></li>'."\n".
     '<a href="#next_'.$link.'">Next</a><br /><br /><br />'.      '</ul>'."\n".
     '<input type="submit" name="next" value="'.                      '</div>'."\n";
     &mt('Done').'" /> '.  
     '<input type="submit" name="stop" value="'.  
     &mt('Stop').'" /> '.  
     '</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.0.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 1055  sub get_instance { Line 1802  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) { $optional_passed++; }
Line 1067  sub get_instance { Line 1814  sub get_instance {
  } elsif ($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 1075  sub get_instance { Line 1822  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 1122  sub start_Instance { Line 1868  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 1169  sub end_Criteria { Line 1906  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();
Line 1180  sub proctor_validation_screen { Line 1920  sub proctor_validation_screen {
  $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>
Removed from v.1.46  
changed lines
  Added in v.1.111

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