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Diff for /loncom/homework/bridgetask.pm between versions 1.31 and 1.122

version 1.31, 2005/05/24 22:06:39 version 1.122, 2006/03/28 19:55:43
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";
     $result.='<form name="getprevious" method="POST" action="';      $list.='<option value="current">'.&mt('Current').'</option>';
       $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); }
     $result.=$uri.'">'.      $result.=$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 $sec_select = '<select multiple="multiple" name="chosensections" size="'.$size.'">'."\n";
       $sec_select .= "<option value='all' selected='selected'>all</option>\n";
       foreach my $sec (sort {lc($a) cmp lc($b)} (keys(%sections))) {
    $sec_select .= "<option value=\"$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'})) {
    my ($entries,$ready,$locks)=&get_queue_counts('gradingqueue');
    $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:").'" /> ';
   
    $result.= &mt("[_1] entries, [_2] ready, [_3] being graded",$entries,$ready,$locks).' </td></tr>'."\n";
   
    ($entries,$ready,$locks)=&get_queue_counts('reviewqueue');
    $result.='<tr><td>'.
       ' <input type="submit" name="reviewasubmission" value="'.
       &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;
 }  }
   
 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 166  sub preserve_grade_info { Line 257  sub preserve_grade_info {
     return $result;      return $result;
 }  }
   
   sub style {
       return (<<STYLE);
   <style type="text/css">
   .LC_fail, .LC_pass, .LC_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);
   }
   
   .LC_fail h4, .LC_pass h4 {
    position:absolute;
    left: -4px;
    top: -8px;
    padding:2px;
    margin:0;
    background-color : rgb(255,240,225);
    border : thin solid;
   }
   
   .LC_fail {
    color: red;
   }
   
   .LC_pass {
       color : green;
   }
   
   .LC_neutral {
    color : blue;
   }
   
   .LC_question {
    border : thin solid black;
    padding : 4px;
    margin-bottom : 1em;
   }
   
   .LC_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 file_list {
       my ($files,$uname,$udom) = @_;
       if (!defined($uname) || !defined($udom)) {
    (undef,undef,$udom,$uname) = &Apache::lonxml::whichuser();
       }
       my $file_url = '/uploaded/'.$udom.'/'.$uname.'/portfolio/';
   
       my $file_list="<ul class=\"LC_GRADING_handininfo\">\n";
       foreach my $partial_file (split(',',$files)) {
    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";
       return $file_list;
   }
   
   sub webgrade_standard_info {
       my ($version)=&get_version();
   
       my $file_list = &file_list($Apache::lonhomework::history{"resource.$version.0.bridgetask.portfiles"});
   
       my %lt=&Apache::lonlocal::texthash('done' => 'Next Item',
          'stop' => 'Quit Grading',
          );
          
       my $result=<<INFO;
     <div class="LC_GRADING_maincontrols">
       <input type="submit" name="next" value="$lt{'done'}" />
       <input type="submit" name="stop" value="$lt{'stop'}" />
     </div>
     $file_list
   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;      $Apache::lonhomework::parsing_a_task=1;
Line 180  sub start_Task { Line 428  sub start_Task {
     my ($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') {      $body_tag_start .= '<div class="LC_task">'."\n";
       if ($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'})) {
    $body_tag_start.='<form method="post" name="slotrequest" action="/adm/slotrequest">'.
       '<input type="hidden" name="symb" value="'.$symb.'" />'.
       '<input type="hidden" name="command" value="showslots" />'.
       '<input type="submit" name="requestattempt" value="'.
       &mt('Show Slot list').'" />'.
       '</form>';
    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>';      $msg.='<h1>'.&mt('Unable to determine if this resource is open due to network problems. Please try again later.').'</h1>';
  } elsif ($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.'.$version.'.0.bridgetask.portfiles'});
       my (undef,undef,$domain,$user)=
    &Apache::lonxml::whichuser();
       my $files = '<ul>';
       foreach my $file (@files) {
    my $url="/uploaded/$domain/$user/portfolio$file";
    if (! &Apache::lonnet::stat_file($url)) {
       $file = &mt('<font color="red"> Nonexistant file:</font> <tt>[_1]</tt>',$file);
    } else {
       $file = '<tt>'.$file.'</tt>';
    }
    $files .= '<li>'.$file.'</li>';
       }
       $files.='</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>';      $msg.='<h1>'.&mt('Not open to be viewed').'</h1>';
  }   }
Line 237  sub start_Task { Line 529  sub start_Task {
  }   }
     } elsif ($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 $webgrade='yes';
  if ($target eq 'webgrade') {   if ($target eq 'webgrade') {
     $result.=$head_tag_start.$body_tag_start.$form_tag_start;      $result.=$head_tag_start.'</head>'.$body_tag_start;
     $result.='<input type="hidden" name="webgrade" value="yes" />';      #$result.='<br />Review'.&show_queue('reviewqueue');
     $result.='<br />Review'.&show_queue('reviewqueue');      #$result.='<br />Grade'.&show_queue('gradingqueue');
     $result.='<br />Before'.&show_queue('gradingqueue');   }
  }   # FIXME Blast! still need to reorg this, need to reshow the
  my $todo;          #       queue being reviewed once done with the grade pass...
  # don't get something new from the queue if they hit the stop button          #       Hrrm, vaildation pass should perhaps say 'not_locked'
  if (!($env{'form.stop'} && $target eq 'webgrade')) {          #       perhaps do a search if there is a key that is mine and if
     $todo=&get_from_queue('gradingqueue');          #       there isn't reshow the queue....
  }   my ($todo,$status_code,$msg)=&get_key_todo($target);
   
  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);
     $result.="\n".'<table><tr><td>Found '.      $result.="\n".'<table><tr><td>Found '.
  &Apache::lonnet::gettitle($symb).' for '.$uname.' at '.$udom.'</td></tr></table>';   &Apache::lonnet::gettitle($symb).' for '.$uname.' at '.$udom.'</td></tr></table>';
     $result.='<input type="hidden" name="gradingkey" value="'.      $form_tag_start.=
    '<input type="hidden" name="gradingkey" value="'.
  &Apache::lonnet::escape($todo).'" />';   &Apache::lonnet::escape($todo).'" />';
     $Apache::bridgetask::queue_key=$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('gradingqueue');   $form_tag_start.=
  $result.="\n".'<table width="100%" style="width:100%" border="1">';      '<input type="hidden" name="queuemode" value="selected" />';
     }      }
  } else {   } else {
     if ($target eq 'webgrade') {      if ($target eq 'webgrade') {
  $result.="\n".'<table><tr><td><b>';   $result.="\n";
  if ($env{'form.stop'}) {   my $back='<p><a href="/adm/flip?postdata=return:">'.
     $result.=&mt("Stopped grading.");      &mt('Return to resource').'</a></p>';
    if      ($status_code eq 'stop') {
       $result.='<b>'.&mt("Stopped grading.").'</b>'.$back;
    } elsif ($status_code eq 'lock_failed') {
       $result.='<b>'.&mt("Failed to lock the requested record.")
    .'</b>'.$back;
    } elsif ($status_code eq 'unlock') {
       $result.='<b>'.&mt("Unlocked the requested record.")
    .'</b>'.$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;
    } elsif ($status_code eq 'not_allowed') {
       $result.='<b>'.&mt('Not allowed to grade the requested user.').' '.$msg.'</b>'.$back;
  } else {   } else {
     $result.=&mt("No user to be graded.");      $result.='<b>'.&mt("No user to be graded.").'</b>'.$back;
    }
       }
       $webgrade='no';
       my $bodytext=&Apache::lonxml::get_all_text("/task",$parser,$style);
    }
    if ($target eq 'webgrade' && defined($env{'form.queue'})) {
       if ($webgrade eq 'yes') {
    $result.=&submission_time_stamp();
       }
       $result.=$form_tag_start;
       $result.='<input type="hidden" name="webgrade" value="'.
    $webgrade.'" />';
       $result.='<input type="hidden" name="queue" value="'.
    $env{'form.queue'}.'" />';
       if ($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.'" />';
  }   }
  $result.='</b></td></tr></table>';  
     }      }
     my $bodytext=&Apache::lonxml::get_all_text("/task",$parser);      if ($webgrade eq 'yes') { $result.=&webgrade_standard_info(); }
    }
    if ($target eq 'webgrade') {
       $result.="\n".'<div id="LC_GRADING_criterialist">';
  }   }
       } elsif ($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 310  sub start_Task { Line 647  sub start_Task {
     return $result;      return $result;
 }  }
   
   sub get_key_todo {
       my ($target)=@_;
       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 $me=$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'};
   
       if (!defined($queue)) {
    $env{'form.queue'}=$queue='gradingqueue';
       }
   
       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'})
    && !defined($env{'form.gradingaction'}) 
    && $env{'form.queuemode'} eq 'selected') {
   
    my $who=&queue_key_locked($queue,$gradingkey);
    if ($who eq $me) {
       &Apache::lonxml::debug("Found a key was given to me");
       return ($gradingkey,'selected');
    } else {
       return (undef,'show_list');
    }
   
       }
   
       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);
    } 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');
    }
       }
   
       if ($env{'form.queuemode'} ne 'selected') {
    # don't get something new from the queue if they hit the stop button
       if (!($env{'form.stop'} && $target eq 'webgrade') 
       && !$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});
    }
       }
   }
   
 sub end_Task {  sub end_Task {
     my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;      my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
     my $result='';      my $result='';
Line 317  sub end_Task { Line 806  sub end_Task {
     my ($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>';
       my $action = &Apache::lonenc::check_encrypt($env{'request.uri'});
       $result.=<<DONEBUTTON;
   <form name="done" method="post" action="$action">
      <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 $status = "\n<div class='LC_$bt_status LC_criteria'>\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') {
  $result.=&Apache::lonxml::xmlend().'</html>';   $result.="\n</div>\n".&Apache::lonxml::xmlend().'</html>';
     }      }
  }   }
  if ($target eq 'grade' && !$env{'form.webgrade'} && !$previous) {   if ($target eq 'grade' && !$env{'form.webgrade'} && !$previous) {
Line 348  sub end_Task { Line 898  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' && $env{'form.webgrade'}) {   if ($target eq 'grade' && $env{'form.webgrade'} eq 'yes') {
     my $optional_required=      my $optional_required=
  &Apache::lonxml::get_param('OptionalRequired',$parstack,   &Apache::lonxml::get_param('OptionalRequired',$parstack,
    $safeeval);     $safeeval);
Line 366  sub end_Task { Line 924  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 377  sub end_Task { Line 935  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';
  &move_between_queues('gradingqueue','reviewqueue');   if ($env{'form.queue'} eq 'reviewqueue') {
       &check_queue_unlock($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';
  &check_queue_unlock('gradingqueue');   if ($env{'form.queue'} eq 'reviewqueue' ||
       $env{'form.queue'} eq 'none' ) {
       &Apache::lonxml::debug("moving back.");
       &move_between_queues($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('gradingqueue');   &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('grading_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') {
  $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="'.   #$result.='<input type="submit" name="end" value="'.
Line 426  sub end_Task { Line 1021  sub end_Task {
  #    &mt('Throw Away &amp; Stop Grading').'" /> ';   #    &mt('Throw Away &amp; Stop Grading').'" /> ';
  #$result.='<input type="submit" name="save" value="'.   #$result.='<input type="submit" name="save" value="'.
  #    &mt('Save Partial Grade and Continue Grading').'" /> ';   #    &mt('Save Partial Grade and Continue Grading').'" /> ';
  $result.='</form>'.&Apache::loncommon::endbodytag().'</html>';   $result.='</form>'."\n</div>\n".
       &Apache::loncommon::endbodytag().'</html>';
     } elsif ($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 438  sub end_Task { Line 1040  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 449  sub move_between_queues { Line 1056  sub move_between_queues {
 }  }
   
 sub check_queue_unlock {  sub check_queue_unlock {
     my ($queue)=@_;      my ($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)) {
    $key="$symb\0queue\0$uname\@$udom";
       }
     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 $key="$symb\0queue\0$uname\@$udom";  
     my $me=$env{'user.name'}.'@'.$env{'user.domain'};      my $me=$env{'user.name'}.'@'.$env{'user.domain'};
     my $who=&queue_key_locked($queue,$key,$cdom,$cnum);      my $who=&queue_key_locked($queue,$key,$cdom,$cnum);
     if  ($who eq $me) {      if  ($who eq $me) {
  &Apache::lonnet::del($queue,["$key\0locked"],$cdom,$cnum);   return &Apache::lonnet::del($queue,["$key\0locked"],$cdom,$cnum);
       } elsif ($allow_not_me) {
    &Apache::lonxml::debug("unlocking $who by $me");
    return &Apache::lonnet::del($queue,["$key\0locked"],$cdom,$cnum);
     }      }
       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 495  sub get_queue_data { Line 1135  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 {
     my ($queue)=@_;      my ($queue,$with_selects)=@_;
     my $result;      my $result;
     my ($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><th>resource</th>".      my $title=&Apache::lonnet::gettitle($symb);
  "<th>user</th><th>type</th><th>data</th></tr>";      $result.="\n<h3>Current Queue - $title $queue </h3><table border='1'><tr>";
       if ($with_selects) { $result.="<th>Status</th><th></th>"; }
       $result.="<th>user</th><th>data</th></tr>";
     foreach my $key (sort(keys(%queue))) {      foreach my $key (sort(keys(%queue))) {
  if ($key=~/locked$/) {   my ($symb,$uname,$udom) = &decode_queue_key($key);
     my ($symb,$uname,$udom) = &decode_queue_key($key);   if (!defined($classlist->{$uname.':'.$udom})) { next; }
     my $title=&Apache::lonnet::gettitle($symb);   if ($key=~/locked$/ && !$with_selects) {
     $result.="<tr><td>$title</td><td>$uname</td>";      $result.="<tr><td>$uname</td>";
     $result.='<td>lock</td><td>'.$queue{$key}.'</td></tr>';      $result.='<td>'.$queue{$key}.'</td></tr>';
  } elsif ($key=~/timestamp$/) {   } elsif ($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{$key})."</td></tr>";
  } else {   } elsif ($key!~/(timestamp|locked)$/) {
     my ($symb,$uname,$udom) = &decode_queue_key($key);      $result.="<tr>";
     my $title=&Apache::lonnet::gettitle($symb);  
     $result.="<tr><td>$title</td><td>$uname</td>";  
     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);
     $result.='<td>queue entry</td><td>Slot: '.$slot.' End time: '.      if ($with_selects) {
    my $ekey=&Apache::lonnet::escape($key);
    my ($action,$description,$status)=('select',&mt('Select'));
    if (exists($queue{"$key\0locked"})) {
       my $me=$env{'user.name'}.'@'.$env{'user.domain'};
       $status=&mt('Locked by <tt>[_1]</tt>',$queue{"$key\0locked"});
       if ($me eq $queue{"$key\0locked"}) {
    ($action,$description)=('resume',&mt('Resume'));
       } else {
    ($action,$description)=('unlock',&mt('Unlock'));
       }
    }
    my $seclist;
    foreach my $sec (@chosen_sections) {
       $seclist.='<input type="hidden" name="chosensections" 
                                  value="'.$sec.'" />';
    }
    if (time > $slot_data{'endtime'}) {
       $result.=(<<FORM);
   <td>$status</td>
   <td>
   <form style="display: inline" method="post">
    <input type="hidden" name="gradingkey" value="$ekey" />
    <input type="hidden" name="queue" value="$queue" />
    <input type="hidden" name="gradingaction" value="$action" />
    <input type="hidden" name="webgrade" value="no" />
    <input type="hidden" name="queuemode" value="selected" />
    <input type="submit" name="submit" value="$description" />
    $seclist
   </form>
   </td>
   FORM
   
                   } else {
       $result.='<td>'.&mt("In Progress").'</td>'
    }
       }
       $result.= "<td>".$fullname->{$uname.':'.$udom}.
    " <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 546  sub show_queue { Line 1266  sub show_queue {
     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 555  sub decode_queue_key { Line 1315  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 565  sub queue_key_locked { Line 1330  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 610  sub find_mid_grade { Line 1385  sub find_mid_grade {
     return undef;      return undef;
 }  }
   
   sub lock_key {
       my ($queue,$todo)=@_;
       my $me=$env{'user.name'}.'@'.$env{'user.domain'};
       my (undef,$cid)=&Apache::lonxml::whichuser();
       my $cnum=$env{'course.'.$cid.'.num'};
       my $cdom=$env{'course.'.$cid.'.domain'};
       my $success=&Apache::lonnet::newput($queue,{"$todo\0locked"=> $me},
    $cdom,$cnum);
       &Apache::lonxml::debug("success $success $todo");
       if ($success eq 'ok') {
    return 1;
       }
       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 $result;
     my ($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 $todo;      my $todo=&find_mid_grade($queue,$symb,$cdom,$cnum);
     # FIXME need to find if I am 'mid grading'      &Apache::lonxml::debug("found ".join(':',&decode_queue_key($todo)));
     $todo=&find_mid_grade($queue,$symb,$cdom,$cnum);  
     &Apache::lonnet::logthis("found ".join(':',&decode_queue_key($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
  my $success=&Apache::lonnet::newput($queue,   # unless someone else already picked them
     {"$todo\0locked"=>   if (!&lock_key($queue,$todo)) {
  $env{'user.name'}.'@'.$env{'user.domain'}},      $attempts++;
    $cdom,$cnum);      next;
  # someone else already picked them   }
  &Apache::lonnet::logthis("success $todo");  
  if ($success ne 'ok') { 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  $endtime");
  # someone else already modified the queue,    # someone else already modified the queue, 
  # perhaps our picked user wass already fully graded between   # perhaps our picked user wass already fully graded between
  # when we picked him and when we locked his record? so lets   # when we picked him and when we locked his record? so lets
Line 665  sub get_from_queue { Line 1479  sub get_from_queue {
     my ($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.'" />';
       }
       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 717  sub start_Dimension { Line 1658  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 {
     #FIXME just grabbing the first one for now, need      my ($dim)=@_;
     #to randomly pick one until all have been seen      my $rand_alg=&Apache::lonnet::get_rand_alg();
     #then start repicking      if (!$rand_alg || $rand_alg eq '32bit' || $rand_alg eq '64bit' ||
     &Apache::response::pushrandomnumber();   $rand_alg eq '64bit2' || $rand_alg eq '64bit3' ||
     my @order=&Math::Random::random_permutation(@{$dimension{'instances'}});   $rand_alg eq '64bit4' ) {
     my $num=@order;   &Apache::response::pushrandomnumber();
     my $version=&get_version();   my @order=&Math::Random::random_permutation(@{$dimension{'instances'}});
     my $which=($version-1)%$num;   my $num=@order;
     return $order[$which];   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 $last_link;
       sub link {
    my ($instance,$id) = @_;
    return 'LC_GRADING_criteria_'.$instance.'_'.$id;
       }
     sub end_Dimension {      sub end_Dimension {
  my ($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 $dim_info="<div class='LC_$dim_status LC_question_grade'>\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 = @_;
    $result.=
       '<div class="LC_'.$status.' LC_criteria"><h4>'
       .$mandatory.' Criteria</h4><p>';
    @Apache::scripttag::parser_env = @_;
    $result.=&Apache::scripttag::xmlparse($dimension{$instance.'.criteria.'.$id});
    $result.='</p><p class="LC_grade">'.$status_display.'</p>';
    if ($Apache::lonhomework::history{"resource.$version.0.$dim.$instance.$id.comment"}) {
       $result.='<p class="LC_comment">'.&mt('Comment: [_1]',$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 $link=&link($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">'.   $result.='<div class="LC_GRADING_criteria" id="'.$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="LC_GRADING_criteriatext">'."\n";
    @Apache::scripttag::parser_env = @_;
    $result.=&Apache::scripttag::xmlparse($dimension{$instance.'.criteria.'.$id});
    $result.='</div>'."\n".
     #$dimension{$instance.'.criteria.'.$id}.      #$dimension{$instance.'.criteria.'.$id}.
     '</td>'.      '<div class="LC_GRADING_grade">'."\n".
     '<td><nobr>Additional Comment for Student</nobr> <br />'.      '<label class="LC_GRADING_ungraded"><input type="radio" name="HWVAL_'.$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="LC_GRADING_fail"><input type="radio" name="HWVAL_'.$link.'" value="fail" '.($status eq 'fail' ? 'checked="checked"':'').' />'.&mt('Fail').'</label>'."\n".
     '</td>'.      '<label class="LC_GRADING_pass"><input type="radio" name="HWVAL_'.$link.'" value="pass" '.($status eq 'pass' ? 'checked="checked"':'').' />'.&mt('Pass').'</label>'."\n".
     '<td>'.      '<label class="LC_GRADING_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" '.($status eq 'pass' ? 'checked="checked"':'').' />'.&mt('Pass').'</label><br />'.      '<label class="LC_GRADING_comment">'.&mt('Additional Comment for Student')."\n".
     '<label><input type="radio" name="HWVAL_'.$link.'" value="fail" '.($status eq 'fail' ? 'checked="checked"':'').' />'.&mt('Fail').'</label><br />'.      '<textarea class="LC_GRADING_comment_area" name="HWVAL_comment_'.$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" '.($status eq 'review' ? 'checked="checked"':'').' />'.&mt('Review').'</label><br />'.      '</label>'."\n".
     '</td>'.      '<ul class="LC_GRADING_navbuttons">'."\n".
     '<td>'.      '<li><a href="#'.$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').'" /> '.   $result.=&grading_history($version,$dim,$instance,$id);
     '<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.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 809  sub get_instance { Line 1832  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 $link=&link($instance,$id);
  $Apache::lonhomework::results{"resource.$version.$dim.$instance.$id.comment"}=$env{'form.HWVAL_comment_criteria_'.$instance.'_'.$id};   my $status=$Apache::lonhomework::results{"resource.$version.0.$dim.$instance.$id.status"}=$env{'form.HWVAL_'.$link};
    $Apache::lonhomework::results{"resource.$version.0.$dim.$instance.$id.comment"}=$env{'form.HWVAL_comment_'.$link};
  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) { $optional_passed++; }
Line 821  sub get_instance { Line 1845  sub get_instance {
  } elsif ($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 829  sub get_instance { Line 1853  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 grading_history {
     my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;      my ($version,$dim,$instance,$criteria) = @_;
     my $result;      if (!&Apache::lonnet::allowed('mgq',$env{'request.course.id'})) {
     if ($target eq 'web' || $target eq 'webgrade') {   return '';
  if ($tagstack->[-2] eq 'Dimension' || $target eq 'webgrade') {      }
     &Apache::lonxml::startredirection();      my ($result,$grader);
       my $scope="resource.$version.0.$dim.$instance.$criteria";
       foreach my $t (1..$Apache::lonhomework::history{'version'}) {
    if (exists($Apache::lonhomework::history{$t.':resource.0.regrader'})) {
       my ($gname,$gdom) = 
    split('@',$Apache::lonhomework::history{$t.':resource.0.regrader'});
       my $fullname = &Apache::loncommon::plainname($gname,$gdom);
       $grader = &Apache::loncommon::aboutmewrapper($fullname,
    $gname,$gdom);
    }
    my $entry;
    if (exists($Apache::lonhomework::history{"$t:$scope.status"})) {
       $entry.="<tt>".$Apache::lonhomework::history{"$t:$scope.status"}.'</tt>';
    }
    if (exists($Apache::lonhomework::history{"$t:$scope.comment"})) {
       $entry.=' comment: "'.$Apache::lonhomework::history{"$t:$scope.comment"}.'"';
    }
    if ($entry) {
       $result.= "<li>$grader : $entry </li>";
  }   }
     }      }
     return $result;      if ($result) {
    return '<ul class="LC_GRADING_pastgrading">'.$result.'</ul>';
       }
       return '';
 }  }
   
 sub end_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') {
     $dimension{'intro'}=&Apache::lonxml::endredirection();      $dimension{'intro'}=&Apache::lonxml::get_all_text('/introparagraph',$parser,$style);
   
    } elsif ($target eq 'webgrade') {
       &Apache::lonxml::get_all_text('/introparagraph',$parser,$style);
  }   }
   
     }      }
     return $result;      return $result;
 }  }
   
   sub end_IntroParagraph {
   }
   
 sub start_Instance {  sub start_Instance {
     my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;      my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
     my $id=&get_id($parstack,$safeeval);      my $id=&get_id($parstack,$safeeval);
Line 876  sub start_Instance { Line 1931  sub start_Instance {
     push(@Apache::bridgetask::instancelist,$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 923  sub end_Criteria { Line 1969  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>
     $msg      $msg
 <form name="checkout" method="POST" action="$env{'request.uri'}">  <form name="checkout" method="post" action="$env{'request.uri'}">
 <input type="hidden" name="validate" value="yes" />  <input type="hidden" name="validate" value="yes" />
 <input type="hidden" name="submitted" value="yes" />  <input type="hidden" name="submitted" value="yes" />
 <table>  <table>
   <tr><td>Proctor's Username:</td><td><input type="string" name="proctorname" value="$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.1.31  
changed lines
  Added in v.1.122

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