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Diff for /loncom/homework/bridgetask.pm between versions 1.71 and 1.223

version 1.71, 2005/10/14 17:27:23 version 1.223, 2007/01/24 19:24:33
Line 38  use Apache::lonlocal; Line 38  use Apache::lonlocal;
 use Apache::lonxml;  use Apache::lonxml;
 use Apache::slotrequest();  use Apache::slotrequest();
 use Time::HiRes qw( gettimeofday tv_interval );  use Time::HiRes qw( gettimeofday tv_interval );
   use lib '/home/httpd/lib/perl/';
   use LONCAPA;
    
   
 BEGIN {  BEGIN {
     &Apache::lonxml::register('Apache::bridgetask',('Task','IntroParagraph','Dimension','Instance','InstanceText','Criteria','ClosingParagraph'));      &Apache::lonxml::register('Apache::bridgetask',('Task','IntroParagraph','Dimension','Question','QuestionText','Setup','Instance','InstanceText','Criteria','GraderNote','ClosingParagraph'));
 }  }
   
   my %dimension;
   my $top = 'top';
   
 sub initialize_bridgetask {  sub initialize_bridgetask {
     # id of current Dimension, 0 means that no dimension is current       # id of current Dimension, 0 means that no dimension is current 
     # (inside <Task> only)      # (inside <Task> only)
     $Apache::bridgetask::dimension='';      @Apache::bridgetask::dimension=();
     # list of all Dimension ids seen  
     @Apache::bridgetask::dimensionlist=();  
     # mandatory attribute of all Dimensions seen  
     %Apache::bridgetask::dimensionmandatory=();  
     # list of all current Instance ids      # list of all current Instance ids
     @Apache::bridgetask::instance=();      %Apache::bridgetask::instance=();
     # list of all Instance ids seen in this problem      # list of all Instance ids seen in this problem
     @Apache::bridgetask::instancelist=();      @Apache::bridgetask::instancelist=();
     # key of queud user data that we are currently grading      # key of queud user data that we are currently grading
     $Apache::bridgetask::queue_key='';      $Apache::bridgetask::queue_key='';
       undef(%dimension);
 }  }
   
 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'};
           
     my @allowed=split(",",$slot->{'proctor'});      my @allowed=split(",",$slot->{'proctor'});
     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/ &&
  my $version=   $env{'form.proctorpassword'} eq $slot->{'secret'} ) {
     $Apache::lonhomework::results{'resource.version'}=   $authenticated=1;
     ++$Apache::lonhomework::history{'resource.version'};      } else {
  $Apache::lonhomework::results{"resource.$version.checkedin"}=  
     $user.'@'.$domain;   my $authhost=&Apache::lonnet::authenticate($puser,$env{'form.proctorpassword'},$pdom);
  $Apache::lonhomework::results{"resource.$version.checkedin.slot"}=   if ($authhost ne 'no_host') {
     $slot_name;      $authenticated=1;
  foreach my $key (keys(%Apache::lonhomework::history)) {  
     if ($key=~/^resource\.0\./) {  
  $Apache::lonhomework::results{$key}='';  
     }  
  }   }
       }
       if ($authenticated) {
    &check_in($type,$user,$domain,$slot_name);
  return 1;   return 1;
     }      }
  }   }
Line 89  sub proctor_check_auth { Line 91  sub proctor_check_auth {
     return 0;      return 0;
 }  }
   
   sub check_in {
       my ($type,$user,$domain,$slot_name) = @_;
       my $useslots = &Apache::lonnet::EXT("resource.0.useslots");
       if ( $useslots eq 'map_map') {
    &check_in_sequence($user,$domain,$slot_name);
       } else {
    &create_new_version($type,$user,$domain,$slot_name);
    &Apache::structuretags::finalize_storage();
       }
       return 1;
   }
   
   sub check_in_sequence {
       my ($user,$domain,$slot_name) = @_;
       my $navmap = Apache::lonnavmaps::navmap->new();
       my ($symb) = &Apache::lonnet::whichuser();
       my ($map)  = &Apache::lonnet::decode_symb($symb);
       my @resources = 
    $navmap->retrieveResources($map, sub { $_[0]->is_problem() },0,0);
       my %old_history = %Apache::lonhomework::history;
       my %old_results = %Apache::lonhomework::results;
   
       foreach my $res (@resources) {
    &Apache::lonxml::debug("doing ".$res->src);
    &Apache::structuretags::initialize_storage($res->symb);
    my $type = ($res->is_task()) ? 'Task' : 'problem';
    &create_new_version($type,$user,$domain,$slot_name);
    &Apache::structuretags::finalize_storage($res->symb);
       }
       
       %Apache::lonhomework::history = %old_history;
       %Apache::lonhomework::results = %old_results;
   }
   
   sub create_new_version {
       my ($type,$user,$domain,$slot_name) = @_;
       
       my $id = '0';
       if ($type eq 'Task') {
    # increment version
    my $version=
       $Apache::lonhomework::history{'resource.0.version'};
    $version++;
    &Apache::lonxml::debug("Making version $version");
    #clean out all current results
    foreach my $key (keys(%Apache::lonhomework::history)) {
       if ($key=~/^resource\.0\./) {
    $Apache::lonhomework::results{$key}='';
       }
    }
   
    #setup new version and who did it
           $Apache::lonhomework::results{'resource.0.version'}=$version;
    $id = "$version.0";
    if (!defined($user) || !defined($domain)) {
       $user = $env{'user.name'};
       $domain = $env{'user.domain'};
    }
   
       } elsif ($type eq 'problem') {
    &Apache::lonxml::debug("authed $slot_name");
       }
       if (!defined($user) || !defined($domain)) {
    $user = $env{'user.name'};
    $domain = $env{'user.domain'};
       }
   
       $Apache::lonhomework::results{"resource.$id.checkedin"}=
    $user.':'.$domain;
   
       if (defined($slot_name)) {
    $Apache::lonhomework::results{"resource.$id.checkedin.slot"}=
       $slot_name;
       }
   }
   
 sub get_version {  sub get_version {
     my ($version,$previous);      my ($version,$previous);
     if ($env{'form.previousversion'} &&       if ($env{'form.previousversion'} && 
  $env{'form.previousversion'} ne 'current' &&   $env{'form.previousversion'} ne 'current' &&
  defined($Apache::lonhomework::history{'resource.'.$env{'form.previousversion'}.'.status'})) {   defined($Apache::lonhomework::history{'resource.'.$env{'form.previousversion'}.'.0.status'})) {
  $version=$env{'form.previousversion'};   $version=$env{'form.previousversion'};
  $previous=1;   $previous=1;
     } else {      } else {
  $version=$Apache::lonhomework::history{'resource.version'};   if (defined($Apache::lonhomework::results{'resource.0.version'})) {
       $version=$Apache::lonhomework::results{'resource.0.version'};
    } elsif (defined($Apache::lonhomework::history{'resource.0.version'})) {
       $version=$Apache::lonhomework::history{'resource.0.version'};
    }
  $previous=0;   $previous=0;
     }      }
     if (wantarray) {      if (wantarray) {
Line 109  sub get_version { Line 191  sub get_version {
 sub add_previous_version_button {  sub add_previous_version_button {
     my ($status)=@_;      my ($status)=@_;
     my $result;      my $result;
     if ($Apache::lonhomework::history{'resource.version'} eq '') {      if ($Apache::lonhomework::history{'resource.0.version'} eq '') {
  return '';   return '';
     }      }
     if ($Apache::lonhomework::history{'resource.version'} < 2 &&      if ($Apache::lonhomework::history{'resource.0.version'} < 2 &&
  $status ne 'NEEDS_CHECKIN') {   $status ne 'NEEDS_CHECKIN') {
  return '';   return '';
     }      }
Line 123  sub add_previous_version_button { Line 205  sub add_previous_version_button {
     "</h3>\n";      "</h3>\n";
     }      }
     my @to_show;      my @to_show;
     foreach my $test_version (1..$Apache::lonhomework::history{'resource.version'}) {      foreach my $test_version (1..$Apache::lonhomework::history{'resource.0.version'}) {
  if (defined($Apache::lonhomework::history{'resource.'.$test_version.'.status'})) {   if (defined($Apache::lonhomework::history{'resource.'.$test_version.'.0.status'})) {
     push(@to_show,$test_version);      push(@to_show,$test_version);
  }   }
     }      }
Line 132  sub add_previous_version_button { Line 214  sub add_previous_version_button {
  join("</option>\n<option>",@to_show).   join("</option>\n<option>",@to_show).
      "</option>\n";       "</option>\n";
     $list.='<option value="current">'.&mt('Current').'</option>';      $list.='<option value="current">'.&mt('Current').'</option>';
     $result.='<form name="getprevious" method="POST" action="';      $result.='<form name="getprevious" method="post" action="';
     my $uri=$env{'request.uri'};      my $uri=$env{'request.uri'};
     if ($env{'request.enc'}) { $uri=&Apache::lonenc::encrypted($uri); }      if ($env{'request.enc'}) { $uri=&Apache::lonenc::encrypted($uri); }
     $result.=$uri.'">'.      $result.=$uri.'">'.
Line 144  sub add_previous_version_button { Line 226  sub add_previous_version_button {
 }  }
   
 sub add_grading_button {  sub add_grading_button {
     my (undef,$cid)=&Apache::lonxml::whichuser();      my (undef,$cid)=&Apache::lonnet::whichuser();
     my $cnum=$env{'course.'.$cid.'.num'};      my $cnum=$env{'course.'.$cid.'.num'};
     my $cdom=$env{'course.'.$cid.'.domain'};      my $cdom=$env{'course.'.$cid.'.domain'};
     my %sections;      my %sections = &Apache::loncommon::get_sections($cdom,$cnum);
     my $numsections=&Apache::loncommon::get_sections($cdom,$cnum,\%sections);  
     my $size=5;      my $size=5;
     if (scalar(keys(%sections)) < 3) {      if (scalar(keys(%sections)) < 3) {
  $size=scalar(keys(%sections))+2;   $size=scalar(keys(%sections))+2;
     }      }
     my $sec_select = '<select multiple name="chosensections" size="'.$size.'">'."\n";      my $sec_select = "\n".'<select multiple="multiple" name="chosensections" size="'.$size.'">'."\n";
     $sec_select .= "<option value='all' selected='selected'>all</option>\n";      $sec_select .= "\t<option value='all' selected='selected'>all</option>\n";
     foreach my $sec (sort {lc($a) cmp lc($b)} (keys(%sections))) {      foreach my $sec (sort {lc($a) cmp lc($b)} (keys(%sections))) {
  $sec_select .= "<option name=\"$sec\">$sec</option>\n";   $sec_select .= "\t<option value=\"$sec\">$sec</option>\n";
     }      }
     $sec_select .= "<option value='none'>none</option></select>\n";      $sec_select .= "\t<option value='none'>none</option>\n</select>\n";
           
     my $result=' <input type="submit" name="gradeasubmission" value="'.      my $result="\n\t".'<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" />';      $result.="\n\t".'<input type="hidden" name="grade_target" value="webgrade" />';
     if (&Apache::lonnet::allowed('mgq',$env{'request.course.id'})) {      if (&Apache::lonnet::allowed('mgq',$env{'request.course.id'})) {
  my ($entries,$ready,$locks)=&get_queue_counts('gradingqueue');   my ($entries,$ready,$locks)=&get_queue_counts('gradingqueue');
  $result.='<p>Specify a section: '.$sec_select.'</p>';   $result.="\n\t".'<table>'."\n\t\t".'<tr>';
  $result.='<p>'.&mt("Grading Queue has [_1] entries. [_2] of them are ready to be graded and [_3] of them are currently being graded",$entries,$ready,$locks);   $result.="\n\t\t\t".'<td rowspan="4">Specify a section: </td>'.
       "\n\t\t\t".'<td rowspan="4">'.$sec_select."\n\t\t\t".'</td>';
    $result.="\n\t\t\t".'<td>'.'<input type="submit" name="reviewagrading" value="'.
       &mt("Select an entry from the grading queue:").'" /> ';
   
  $result.=' <input type="submit" name="reviewagrading" value="'.   $result.= "\n\t\t\t\t".&mt("[_1] entries, [_2] ready, [_3] being graded",$entries,$ready,$locks).'</td>'."\n\t\t".'</tr>'."\n";
     &mt("Select an entry from the grading queue").'" /> </p>'."\n";  
   
  ($entries,$ready,$locks)=&get_queue_counts('reviewqueue');   ($entries,$ready,$locks)=&get_queue_counts('reviewqueue');
  $result.='<p>'.&mt("Review Queue has [_1] entries. [_2] of them are ready to be graded and [_3] of them are currently being graded",$entries,$ready,$locks);   $result.="\n\t\t".'<tr>'.
  $result.=' <input type="submit" name="reviewasubmission" value="'.      "\n\t\t\t".'<td>'.
     &mt("Select an entry from the review queue").'" /> </p>'."\n";      "\n\t\t\t\t".'<input type="submit" name="reviewasubmission" value="'.
  $result.=' <input type="submit" name="regradeasubmission" value="'.      &mt("Select an entry from the review queue:").'" /> ';
     &mt("Select a user to regrade.").'" /> </p>'."\n";   $result.=&mt("[_1] entries, [_2] ready, [_3] being graded",
        $entries,$ready,$locks).'</td>'."\n\t\t".'</tr>'."\n";
    $result.="\n\t\t".'<tr>'.
       "\n\t\t\t".'<td>'.
       "\n\t\t\t\t".'<input type="submit" name="regradeasubmission" value="'.
       &mt("List of user's grade status").'" /> </td>'
       ."\n\t\t".'</tr>'
       ."\n\t".'</table>'."\n";
    $result.="\n\t".'<p>'.
       "\n\t\t".'<input type="submit" name="regradeaspecificsubmission" value="'.
       &mt("Regrade specific user:").'" />';
    $result.= "\n\t\t".'<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();
    $result.= '</p>'."\n";
     }      }
     return $result;      return $result;
 }  }
Line 186  sub add_request_another_attempt_button { Line 289  sub add_request_another_attempt_button {
     if (!$text) { $text="Request another attempt"; }      if (!$text) { $text="Request another attempt"; }
     my $result;      my $result;
     my $symb=&Apache::lonnet::symbread();      my $symb=&Apache::lonnet::symbread();
       # not a slot access based resource
       my $useslots = &Apache::lonnet::EXT("resource.0.useslots",$symb);
       if ($useslots =~ /^\s*no\s*$/i) {
    return '';
       }
   
     my ($slot_name,$slot)=&Apache::slotrequest::check_for_reservation($symb);      my ($slot_name,$slot)=&Apache::slotrequest::check_for_reservation($symb);
     my $action='get_reservation';      my $action='get_reservation';
     if ($slot_name) {      if ($slot_name) {
Line 194  sub add_request_another_attempt_button { Line 303  sub add_request_another_attempt_button {
  my $description=&Apache::slotrequest::get_description($slot_name,   my $description=&Apache::slotrequest::get_description($slot_name,
       $slot);        $slot);
  $result.=(<<STUFF);   $result.=(<<STUFF);
 <p> Will be next available: $description </p>      <p> Will be next available: $description </p>
 STUFF  STUFF
     }      }
           
     if ($env{'request.enc'}) { $symb=&Apache::lonenc::encrypted($symb); }      if ($env{'request.enc'}) { $symb=&Apache::lonenc::encrypted($symb); }
     $symb=&Apache::lonnet::escape($symb);      $symb=&escape($symb);
     $result.='<form method="POST" action="/adm/slotrequest">'.      $result.=
  '<input type="hidden" name="symb" value="'.$symb.'" />'.          "\n\t".'<form method="post" action="/adm/slotrequest">'."\n\t\t".
  '<input type="hidden" name="command" value="'.$action.'" />'.   '<input type="hidden" name="symb" value="'.$symb.'" />'."\n\t\t".
    '<input type="hidden" name="command" value="'.$action.'" />'."\n\t\t".
  '<input type="submit" name="requestattempt" value="'.   '<input type="submit" name="requestattempt" value="'.
  &mt($text).'" />'.   &mt($text).'" />'."\n\t".
  '</form>';   '</form>'."\n";
     return $result;      return $result;
 }  }
   
Line 222  sub preserve_grade_info { Line 332  sub preserve_grade_info {
 }  }
   
 sub style {  sub style {
     return (<<STYLE);      my ($target) = @_;
 <style type="text/css">      if ($target eq 'web'
 .fail, .pass, .neutral {   || $target eq 'webgrade') {
     position: relative;   my $style = (<<STYLE);
     margin : 5px;  <link rel="stylesheet" type="text/css" href="/res/adm/includes/task.css" />
     margin-bottom :10px;  
     padding : 4px;  
     padding-left : 75px;  
  border : thin solid;  
     font-weight : bolder;  
     font-size: smaller;  
     font-family: Arial;  
     background-color : rgb(255,240,225);  
 }  
   
 .fail h4, .pass h4 {  
  position:absolute;  
  left: -4px;  
  top: -8px;  
  padding:2px;  
  margin:0;  
  background-color : rgb(255,240,225);  
  border : thin solid;  
 }  
   
 .fail {  
  color: red;  
 }  
   
 .pass {  
     color : green;  
 }  
   
 .neutral {  
  color : blue;  
 }  
   
 .question {  
  border : thin solid black;  
  padding : 4px;  
  margin-bottom : 1em;  
 }  
   
 .grade {  
  font-size: x-large;  
  font-family: Arial;  
  position:absolute;  
  left: 5px;  
  top: -5px;  
  width: 70px;  
 }  
   
 div#feedback h1 {  
     color : inherit;  
 }  
 </style>  
 STYLE  STYLE
           if ($env{'browser.type'} eq 'explorer'
       && $env{'browser.os'} eq 'win' ) {
       if ($env{'browser.version'} < 7) {
    $style .= (<<STYLE);
   <link rel="stylesheet" type="text/css" href="/res/adm/includes/task_ie.css" />
   STYLE
               } else {
    $style .= (<<STYLE);
   <link rel="stylesheet" type="text/css" href="/res/adm/includes/task_ie7.css" />
   STYLE
       }
    }
    return $style;
       }
       return;
 }  }
   
 sub show_task {  sub show_task {
Line 291  sub show_task { Line 364  sub show_task {
        ( $status eq 'NOT_IN_A_SLOT') ||         ( $status eq 'NOT_IN_A_SLOT') ||
        ( $status eq 'NEEDS_CHECKIN') ||         ( $status eq 'NEEDS_CHECKIN') ||
        ( $status eq 'WAITING_FOR_GRADE') ||         ( $status eq 'WAITING_FOR_GRADE') ||
        ( $status eq 'INVALID_ACCESS') )) {         ( $status eq 'INVALID_ACCESS') ||
          ( &get_version() eq ''))) {
  return 0;   return 0;
     }      }
     if ($env{'form.donescreen'}) { return 0; }      if ($env{'form.donescreen'}) { return 0; }
     return 1;      return 1;
 }  }
   
   my @delay;
   sub nest { 
       if (@delay) {
    return $delay[-1];
       } else {
    return;
       }
   }
   
   sub start_delay {
       push(@delay,1);
   }
   sub end_delay {
       pop(@delay);
   }
   
   sub nested_parse {
       my ($str,$env,$args) = @_;
       my @old_env = @Apache::scripttag::parser_env;
       @Apache::scripttag::parser_env = @$env;
       if (exists($args->{'set_dim_id'})) {
    &enable_dimension_parsing($args->{'set_dim_id'});
       }
       push(@delay,(($args->{'delayed_dim_results'})? 1 : 0));
       my $result = &Apache::scripttag::xmlparse($$str);
       pop(@delay);
       if (exists($args->{'set_dim_id'})) {
    &disable_dimension_parsing();
       }
       @Apache::scripttag::parser_env = @old_env;
       if ($args->{'delayed_dim_results'}) {
    my $dim = &get_dim_id();
    &Apache::lonxml::debug(" tossing out $result ");
    &Apache::lonxml::debug(" usining out $dim 's  ". $dimension{$dim}{'result'});
    return $dimension{$dim}{'result'};
       }
       return $result;
   }
   
 sub internal_location {  sub internal_location {
     my ($id)=@_;      my ($id)=@_;
     return '<!-- LONCAPA_INTERNAL_ADD_TASK_STATUS'.$id.' -->';      return '<!-- LONCAPA_INTERNAL_ADD_TASK_STATUS'.$id.' -->';
 }  }
   
 sub submission_time_stamp {  sub submission_time_stamp {
     my ($symb,$courseid,$udom,$uname)=&Apache::lonxml::whichuser();      my ($symb,$courseid,$udom,$uname)=&Apache::lonnet::whichuser();
     my $submissiontime;      my $submissiontime;
     my $version=$Apache::lonhomework::history{'resource.version'};      my $version=$Apache::lonhomework::history{'resource.0.version'};
     for (my $v=$Apache::lonhomework::history{'version'};$v>0;$v--) {      for (my $v=$Apache::lonhomework::history{'version'};$v>0;$v--) {
  if (defined($Apache::lonhomework::history{$v.':resource.'.$version.'.0.bridgetask.portfiles'})) {   if (defined($Apache::lonhomework::history{$v.':resource.'.$version.'.0.bridgetask.portfiles'})
       && defined($Apache::lonhomework::history{$v.':resource.'.$version.'.0.tries'})) {
     $submissiontime=$Apache::lonhomework::history{$v.':timestamp'};      $submissiontime=$Apache::lonhomework::history{$v.':timestamp'};
       last;
  }   }
     }      }
     my $result;      my $result;
     if ($submissiontime) {      if ($submissiontime) {
  my $slot_name=$Apache::lonhomework::history{'resource.'.$version.'.checkedin.slot'};   my $slot_name=$Apache::lonhomework::history{'resource.'.$version.'.0.checkedin.slot'};
  my %slot=&Apache::lonnet::get_slot($slot_name);   my %slot=&Apache::lonnet::get_slot($slot_name);
  my $diff = $slot{'endtime'} - $submissiontime;   my $diff = $slot{'endtime'} - $submissiontime;
  my ($color,$when)=('#FF6666','after');   my ($color,$when)=('#FF6666','after');
  if ($diff > 0) { ($color,$when)=('#336600','before'); }   if ($diff > 0) { ($color,$when)=('#336600','before'); }
  my $info;   my $info;
    $diff = abs($diff);
  if ($diff%60) { $info=($diff%60).' seconds'; }   if ($diff%60) { $info=($diff%60).' seconds'; }
  $diff=int($diff/60);   $diff=int($diff/60);
  if ($diff%60) { $info=($diff%60).' minutes '.$info; }   if ($diff%60) { $info=($diff%60).' minutes '.$info; }
  $diff=int($diff/60);   $diff=int($diff/60);
  if ($diff) {    $info=$diff.' hours '.$info; }   if ($diff) {    $info=$diff.' hours '.$info; }
  $result='<p><font color="'.$color.'">'.   $result='<p><font color="'.$color.'">'.
     &mt('Student submitted [_1] [_2] the deadline.       &mt('Student submitted [_1] [_2] the deadline. '.
                  (Submission was at [_3], end of period was [_4].)',   '(Submission was at [_3], end of period was [_4].)',
  $info,$when,scalar(localtime($submissiontime)),   $info,$when,
  scalar(localtime($slot{'endtime'}))).   &Apache::lonlocal::locallocaltime($submissiontime),
    &Apache::lonlocal::locallocaltime($slot{'endtime'})).
  '</font></p>';   '</font></p>';
     }      }
     return $result;      return $result;
 }  }
   
 sub webgrade_standard_info {  sub file_list {
     my ($version)=&get_version();      my ($files,$uname,$udom) = @_;
     my (undef,undef,$udom,$uname) = &Apache::lonxml::whichuser();      if (!defined($uname) || !defined($udom)) {
    (undef,undef,$udom,$uname) = &Apache::lonnet::whichuser();
       }
     my $file_url = '/uploaded/'.$udom.'/'.$uname.'/portfolio/';      my $file_url = '/uploaded/'.$udom.'/'.$uname.'/portfolio/';
     my $file_list="<ul>\n";  
     foreach my $partial_file (split(',',$Apache::lonhomework::history{"resource.$version.0.bridgetask.portfiles"})) {      my $file_list="<ul class=\"LC_GRADING_handininfo\">\n";
       foreach my $partial_file (split(',',$files)) {
  my $file=$file_url.$partial_file;   my $file=$file_url.$partial_file;
  $file=~s|/+|/|g;   $file=~s|/+|/|g;
  &Apache::lonnet::allowuploaded('/adm/bridgetask',$file);   &Apache::lonnet::allowuploaded('/adm/bridgetask',$file);
  $file_list.='<li><nobr><a href="'.$file.'" target="lonGRDs"><img src="'.   $file_list.='<li><span style="white-space: nowrap;"><a href="'.$file.'?rawmode=1" target="lonGRDs"><img src="'.
     &Apache::loncommon::icon($file).'" border=0"> '.$file.      &Apache::loncommon::icon($file).'" alt="file icon" border="0" /> '.$file.
     '</a></nobr></li>'."\n";      '</a></span></li>'."\n";
     }      }
     $file_list.="</ul>\n";      $file_list.="</ul>\n";
       return $file_list;
   }
   
   sub grade_mode {
       if ($env{'form.regrade'} || $env{'form.regradeaspecificsubmission'}) {
    return 'regrade';
       }
       return 'queue_grade';
   }
   
   sub webgrade_standard_info {
       my ($version)=&get_version();
   
       my $file_list = &file_list($Apache::lonhomework::history{"resource.$version.0.bridgetask.portfiles"});
   
       my %lt=('done'   => 'Next Item',
       'stop'   => 'Quit Grading',
       'fail'   => 'Fail Rest',
       'cancel' => 'Cancel',
       );
       %lt=&Apache::lonlocal::texthash(%lt);
   
     my %lt=&Apache::lonlocal::texthash('done' => 'Done',  
        'stop' => 'Stop',  
        );  
          
     my $result=<<INFO;      my $result=<<INFO;
 <div class="handininfo">    <div class="LC_GRADING_maincontrols">
   <input type="submit" name="next" value="$lt{'done'}" />  INFO
   <input type="submit" name="stop" value="$lt{'stop'}" />  
       if (&grade_mode() eq 'regrade') {
    $result.=<<INFO;
       <input type="submit" name="cancel" value="$lt{'cancel'}" />
   INFO
       }
   
       $result.=<<INFO;
       <input type="submit" name="next" value="$lt{'done'}" />
       <input type="submit" name="stop" value="$lt{'stop'}" />
       <input type="button" name="fail" value="$lt{'fail'}" 
              onclick="javascript:onFailRest()" />
     </div>
   $file_list    $file_list
 </div>  
 INFO  INFO
     return $result;      return $result;
 }  }
   
   sub done_screen {
       my ($version) = @_;
       my $title=&Apache::lonnet::gettitle();
       my @files=split(',',$Apache::lonhomework::history{'resource.'.$version.'.0.bridgetask.portfiles'});
       my (undef,undef,$domain,$user)= &Apache::lonnet::whichuser();
       my $files = '<ul>';
       my $msg;
       foreach my $file (@files) {
    my $url="/uploaded/$domain/$user/portfolio$file";
    if (! &Apache::lonnet::stat_file($url)) {
       $file = &mt('<span class="LC_error"> Nonexistent file:</span> '.
    '<span class="LC_filename">[_1]</span>',$file);
       $msg .= "<p>Submitted non-existant file $file</p>\n";
    } else {
       $file = '<span class="LC_filename">'.$file.'</span>';
       $msg .= "<p>Submitted file $file</p>\n";
    }
    $files .= '<li>'.$file.'</li>';
       }
       $files.='</ul>';
       my $subject = "Submission message for $title";
       my ($message_status,$comment_status);
       my $setting = $env{'course.'.$env{'request.course.id'}.'.task_messages'};
       $setting =~ s/^\s*(\S*)\s*$/$1/;
       $setting = lc($setting);
       if ($setting eq 'only_student'
    || $setting eq 'student_and_user_notes_screen') {
    $message_status =
       &Apache::lonmsg::user_normal_msg($user,$domain,$subject,$msg);
    $message_status = '<p>'.&mt('Message sent to user: [_1]',
       $message_status).' </p>';
       }
       if ($setting eq 'student_and_user_notes_screen') {
    $comment_status = 
       &Apache::lonmsg::store_instructor_comment($subject.'<br />'.
         $msg,$user,$domain);
    $comment_status = '<p>'.&mt('Message sent to instructor: [_1]',
       $comment_status).' </p>';
       }
       return <<DONESCREEN;
   <h2>$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>
   $message_status
   $comment_status
   DONESCREEN
   
   }
   
 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);
       &Apache::structuretags::init_problem_globals('Task');
     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;      $Apache::lonhomework::parsing_a_task=1;
     #should get back a <html> or the neccesary stuff to start XML/MathML  
     my ($result,$head_tag_start,$body_tag_start,$form_tag_start)=      my $name;
  &Apache::structuretags::page_start($target,$token,$tagstack,$parstack,$parser,$safeeval);      if ($target eq 'web' || $target eq 'webgrade') {
        $name = &Apache::structuretags::get_resource_name($parstack,$safeeval);
     if ($target eq 'web') {      }
  if ($Apache::lonhomework::modifygrades) {  
     $body_tag_start.='<form name="gradesubmission" method="POST" action="';      my ($result,$form_tag_start);
       if ($target eq 'web' || $target eq 'webgrade' || $target eq 'tex'
    || $target eq 'edit') {
    ($result,$form_tag_start) =
       &Apache::structuretags::page_start($target,$token,$tagstack,
          $parstack,$parser,$safeeval,
          $name,&style($target));
       }
   
       if ($target eq 'web' && $env{'request.state'} ne 'construct') {
    if ($Apache::lonhomework::queuegrade
       || $Apache::lonhomework::modifygrades) {
       $result.='<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>";      $result.=$uri.'">'.&add_grading_button()."</form>\n";
     my $symb=&Apache::lonnet::symbread();      my $symb=&Apache::lonnet::symbread();
     if (&Apache::lonnet::allowed('mgq',$env{'request.course.id'})) {      if (&Apache::lonnet::allowed('mgq',$env{'request.course.id'})) {
  $body_tag_start.='<form method="POST" action="/adm/slotrequest">'.   $result.='<form method="post" name="slotrequest" action="/adm/slotrequest">'.
     '<input type="hidden" name="symb" value="'.$symb.'" />'.      '<input type="hidden" name="symb" value="'.$symb.'" />'.
     '<input type="hidden" name="command" value="showslots" />'.      '<input type="hidden" name="command" value="showslots" />'.
     '<input type="submit" name="requestattempt" value="'.      '<input type="submit" name="requestattempt" value="'.
     &mt('Show Slot list').'" />'.      &mt('Show Slot list').'" />'.
     '</form>';      '</form>';
    my $target_id = 
       &Apache::lonstathelpers::make_target_id({symb => $symb,
        part => '0'});
    $result.='<form method="post" name="gradingstatus" action="/adm/statistics">'.
       '<input type="hidden" name="problemchoice" value="'.$target_id.'" />'.
       '<input type="hidden" name="reportSelected" value="grading_analysis" />'.
       '<input type="submit" name="grading" value="'.
       &mt('Show Grading Status').'" />'.
       '</form>';
     }      }
  }   }
     }      }
     if ($target eq 'web' || ($target eq 'grade' && !$env{'form.webgrade'}) || $target eq 'answer' ||      if ($target eq 'web' && $env{'request.state'} eq 'construct') {
  $target eq 'tex') {   $form_tag_start.=&Apache::structuretags::problem_web_to_edit_header($env{'form.rndseed'});
       }
       if ($target eq 'web' 
    || ($target eq 'grade' && !$env{'form.webgrade'}) 
    || $target eq 'answer' 
    || $target eq 'tex') {
  my ($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');
    if ($status eq 'CAN_ANSWER' && $version eq '') {
       # CAN_ANSWER mode, and no current version, unproctored access
       # thus self-checkedin
       &check_in('Task',undef,undef,$slot_name);
       &add_to_queue('gradingqueue',{'type' => 'Task',
     'time' => time,
     'slot' => $slot_name});
       ($version,$previous)=&get_version();
    }
   
    my $status_id = 
       ($previous || $status eq 'SHOW_ANSWER') ? 'LC_task_feedback'
                                               : 'LC_task_take';
    $result .= '<div class="LC_task" id="'.$status_id.'">'."\n";
   
  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);   $result.=&add_previous_version_button($status);
  if (!&show_task($status,$previous)) {   if (!&show_task($status,$previous)) {
     my $bodytext=&Apache::lonxml::get_all_text("/task",$parser);      my $bodytext=&Apache::lonxml::get_all_text("/task",$parser,$style);
     if ( $target eq "web" ) {      if ( $target eq "web" ) {
  $result.= $head_tag_start.'</head>'.$body_tag_start;   if ($env{'request.state'} eq 'construct') {
       $result.=$form_tag_start;
    }
  my $msg;   my $msg;
  if ($status eq 'UNAVAILABLE') {   if ($status eq 'UNAVAILABLE') {
     $msg.='<h1>'.&mt('Unable to determine if this resource is open due to network problems. Please try again later.').'</h1>';      $msg.='<h1>'.&mt('Unable to determine if this resource is open due to network problems. Please try again later.').'</h1>';
Line 424  sub start_Task { Line 670  sub start_Task {
  } elsif ($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'}) {   } elsif ($env{'form.donescreen'}) {
     my $title=&Apache::lonnet::gettitle();      $result .= &done_screen($version);
     my @files=split(',',$Apache::lonhomework::history{'resource.'.$version.'.0.bridgetask.portfiles'});  
     my $files='<ul><li>'.join('</li><li>',@files).'</li></ul>';  
     $result.=<<DONESCREEN;  
 <h2>$title</h2>  
 <p> Files submitted: $files </p>  
 <p> You are now done with this Bridge Task </p>  
 <hr />  
 <p> <a href="/adm/logout">Logout</a> </p>  
 <p> <a href="/adm/roles">Change to a different course</a> </p>  
 DONESCREEN  
  } elsif ($status ne 'NOT_YET_VIEWED') {   } elsif ($status ne 'NOT_YET_VIEWED') {
     $msg.='<h1>'.&mt('Not open to be viewed').'</h1>';      $msg.='<h1>'.&mt('Not open to be viewed').'</h1>';
  }   }
Line 451  DONESCREEN Line 687  DONESCREEN
  }   }
     } elsif ($target eq 'grade' && !$env{'form.webgrade'}) {      } elsif ($target eq 'grade' && !$env{'form.webgrade'}) {
  if ($status eq 'NEEDS_CHECKIN') {   if ($status eq 'NEEDS_CHECKIN') {
     &proctor_check_auth($slot_name,$slot);      if(&proctor_check_auth($slot_name,$slot,'Task')
          && defined($Apache::inputtags::slot_name)) {
    my $result=
       &add_to_queue('gradingqueue',
     {'type' => 'Task',
      'time' => time,
      'slot' => 
          $Apache::inputtags::slot_name});
    &Apache::lonxml::debug("add_to_queue said $result");
       }
  }   }
     }      }
  } elsif ($target eq 'web') {   } elsif ($target eq 'web') {
     my $name= &Apache::structuretags::get_resource_name($parstack,$safeeval);  
     $result.="$head_tag_start<title>$name</title></head>  
               $body_tag_start \n".&style();  
       
     $result.=&preserve_grade_info();      $result.=&preserve_grade_info();
     $result.=&internal_location();      $result.=&internal_location(); 
     $result.=$form_tag_start.      $result.=$form_tag_start."\t".
  '<input type="hidden" name="submitted" value="yes" />';   '<input type="hidden" name="submitted" value="yes" />';
     &Apache::lonxml::startredirection();      &Apache::lonxml::startredirection();
  }   }
Line 469  DONESCREEN Line 711  DONESCREEN
       $target eq 'webgrade') {        $target eq 'webgrade') {
  my $webgrade='yes';   my $webgrade='yes';
  if ($target eq 'webgrade') {   if ($target eq 'webgrade') {
     $result.=$head_tag_start.$body_tag_start;      $result .= '<div class="LC_task">'."\n";
       $result.= "\n".'<div class="LC_GRADING_task">'."\n".
    '<script type="text/javascript" 
                            src="/res/adm/includes/task_grading.js"></script>';
     #$result.='<br />Review'.&show_queue('reviewqueue');      #$result.='<br />Review'.&show_queue('reviewqueue');
     #$result.='<br />Grade'.&show_queue('gradingqueue');      #$result.='<br />Grade'.&show_queue('gradingqueue');
  }   }
  # FIXME Blast! still need to reorg this, need to reshow the  
         #       queue being reviewed once done with the grade pass...   my ($todo,$status_code,$msg)=&get_key_todo($target);
         #       Hrrm, vaildation pass should perhaps say 'not_locked'  
         #       perhaps do a search if there is a key that is mine and if  
         #       there isn't reshow the queue....  
  my ($todo,$status_code)=&get_key_todo($target);  
   
  if ($todo) {   if ($todo) {
     &setup_env_for_other_user($todo,$safeeval);      &setup_env_for_other_user($todo,$safeeval);
Line 487  DONESCREEN Line 728  DONESCREEN
  &Apache::lonnet::gettitle($symb).' for '.$uname.' at '.$udom.'</td></tr></table>';   &Apache::lonnet::gettitle($symb).' for '.$uname.' at '.$udom.'</td></tr></table>';
     $form_tag_start.=      $form_tag_start.=
  '<input type="hidden" name="gradingkey" value="'.   '<input type="hidden" name="gradingkey" value="'.
  &Apache::lonnet::escape($todo).'" />';   &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($env{'form.queue'});   $form_tag_start.=
  $result.="\n".'<table width="100%" style="width:100%" border="1">';      '<input type="hidden" name="queuemode" value="selected" />';
  if ($status_code eq 'selected') {  
     $form_tag_start.=  
  '<input type="hidden" name="queuemode" value="selected" />';  
  }  
     }      }
  } else {   } else {
     if ($target eq 'webgrade') {      if ($target eq 'webgrade') {
  $result.="\n";   $result.="\n";
    my $back='<p><a href="/adm/flip?postdata=return:">'.
       &mt('Return to resource').'</a></p>';
  if      ($status_code eq 'stop') {   if      ($status_code eq 'stop') {
     $result.='<b>'.&mt("Stopped grading.").'</b>';      $result.='<b>'.&mt("Stopped grading.").'</b>'.$back;
    } elsif ($status_code eq 'cancel') {
       $result.='<b>'.&mt("Cancelled grading.").'</b>'.$back;
    } elsif ($status_code eq 'never_versioned') {
       $result.='<b>'.
    &mt("Requested user has never accessed the task.").
    '</b>'.$back;
    } elsif ($status_code =~ /still_open:(.*)/) {
       my $date = &Apache::lonlocal::locallocaltime($1);
       $result.='<b>'.
    &mt("Task is still open, will close at [_1].",$date).
    '</b>'.$back;
  } elsif ($status_code eq 'lock_failed') {   } elsif ($status_code eq 'lock_failed') {
     $result.='<b>'.&mt("Failed to lock the request record.").'</b>';      $result.='<b>'.&mt("Failed to lock the requested record.")
    .'</b>'.$back;
  } elsif ($status_code eq 'unlock') {   } elsif ($status_code eq 'unlock') {
     $result.='<b>'.&mt("Unlocked the requested record.").'</b>';      $result.='<b>'.&mt("Unlocked the requested record.")
    .'</b>'.$back;
     $result.=&show_queue($env{'form.queue'},1);      $result.=&show_queue($env{'form.queue'},1);
  } elsif ($status_code eq 'show_list') {   } elsif ($status_code eq 'show_list') {
     $result.=&show_queue($env{'form.queue'},1);      $result.=&show_queue($env{'form.queue'},1);
  } elsif ($status_code eq 'select_user') {   } elsif ($status_code eq 'select_user') {
     $result.=&select_user();      $result.=&select_user();
    } elsif ($status_code eq 'unable') {
       $result.='<b>'.&mt("Unable to aqcuire a user to grade.").'</b>'.$back;
    } elsif ($status_code eq 'not_allowed') {
       $result.='<b>'.&mt('Not allowed to grade the requested user.').' '.$msg.'</b>'.$back;
  } else {   } else {
     $result.='<b>'.&mt("No user to be graded.").'</b>';      $result.='<b>'.&mt("No user to be graded.").'</b>'.$back;
  }   }
     }      }
     $webgrade='no';      $webgrade='no';
     my $bodytext=&Apache::lonxml::get_all_text("/task",$parser);   }
    if (!$todo || $env{'form.cancel'}) {
       my $bodytext=&Apache::lonxml::get_all_text("/task",$parser,$style);
  }   }
  if ($target eq 'webgrade' && defined($env{'form.queue'})) {   if ($target eq 'webgrade' && defined($env{'form.queue'})) {
     if ($webgrade eq 'yes') {      if ($webgrade eq 'yes') {
Line 543  DONESCREEN Line 801  DONESCREEN
     }      }
     if ($webgrade eq 'yes') { $result.=&webgrade_standard_info(); }      if ($webgrade eq 'yes') { $result.=&webgrade_standard_info(); }
  }   }
    if ($target eq 'webgrade') {
       $result.="\n".'<div id="LC_GRADING_criterialist">';
       &Apache::lonxml::startredirection();
       &start_delay();
       $dimension{$top}{'result'}=$result;
       undef($result);
    }
       } elsif ($target eq 'edit') {
    $result.=$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 550  DONESCREEN Line 822  DONESCREEN
     return $result;      return $result;
 }  }
   
   sub get_task_end_time {
       my ($queue_entry,$symb,$udom,$uname) = @_;
   
       my $end_time;
       if (my $slot = &slotted_access($queue_entry)) {
    my %slot_data=&Apache::lonnet::get_slot($slot);
    $end_time = $slot_data{'endtime'};
       } else {
    $end_time = &Apache::lonhomework::due_date('0',$symb,
      $udom,$uname);
       }
       return $end_time;
   }
   
 sub get_key_todo {  sub get_key_todo {
     my ($target)=@_;      my ($target)=@_;
     my $todo;      my $todo;
Line 572  sub get_key_todo { Line 858  sub get_key_todo {
  return (undef,'select_user');   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::lonnet::whichuser();
    my $cnum  = $env{'course.'.$cid.'.num'};
    my $cdom  = $env{'course.'.$cid.'.domain'};
    my $uname = &clean_username($env{'form.gradinguser'});
    my $udom  = &clean_domain($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'} = $queue = 'none';
       #not queued so doing either a re or pre grade
       my %status = &Apache::lonnet::restore($symb,$cid,$udom,$uname);
       if ($status{'resource.0.version'} < 1) {
    return (undef,'never_versioned');
       }
       return ($gradingkey);
    }
   
    if ($queue) {
       my $queue_entry = &get_queue_data($queue,$udom,$uname);
   
       my $end_time = &get_task_end_time($queue_entry,$symb,
         $udom,$uname);
       if ($end_time > time) {
    return (undef,"still_open:$end_time");
       }
    }
   
    my $who=&queue_key_locked($queue,$gradingkey);
    if ($who eq $me) {
       #already have the lock
       $env{'form.gradingkey'}=&escape($gradingkey);
       &Apache::lonxml::debug("already locked");
       return ($gradingkey);
    }
   
    if (!defined($who)) {
       if (&lock_key($queue,$gradingkey)) {
    &Apache::lonxml::debug("newly locked");
    return ($gradingkey);
       } else {
    return (undef,'lock_failed');
       }
    }
   
    #otherwise (defined($who) && $who ne $me) some else has it...
    return (undef,'not_allowed',
    &mt('Another user ([_1]) currently has the record for [_2] locked.',
       $who,$env{'form.gradinguser'}.':'.$env{'form.gradingdomain'}));
       }
   
   
     my $queue=$env{'form.queue'};      my $queue=$env{'form.queue'};
   
     if (!defined($queue)) {      if (!defined($queue)) {
  $env{'form.queue'}=$queue='gradingqueue';   $env{'form.queue'}=$queue='gradingqueue';
     }      }
   
     my $gradingkey=&Apache::lonnet::unescape($env{'form.gradingkey'});      my $gradingkey=&unescape($env{'form.gradingkey'});
   
     if ($env{'form.queue'} eq 'none') {      if ($env{'form.queue'} eq 'none') {
  if (defined($env{'form.gradingkey'})) {   if (defined($env{'form.gradingkey'})) {
     if ($target eq 'webgrade') {      if ($target eq 'webgrade') {
  if ($env{'form.stop'}) {   if ($env{'form.stop'}) {
     return (undef,'stop');      return (undef,'stop');
    } elsif ($env{'form.cancel'}) {
       return (undef,'cancel');
  } elsif ($env{'form.next'}) {   } elsif ($env{'form.next'}) {
     return (undef,'select_user');      return (undef,'select_user');
  }   }
Line 599  sub get_key_todo { Line 954  sub get_key_todo {
  && $env{'form.queuemode'} eq 'selected') {   && $env{'form.queuemode'} eq 'selected') {
   
  my $who=&queue_key_locked($queue,$gradingkey);   my $who=&queue_key_locked($queue,$gradingkey);
  my $me=$env{'user.name'}.'@'.$env{'user.domain'};  
  if ($who eq $me) {   if ($who eq $me) {
     &Apache::lonxml::debug("Found a key was given to me");      &Apache::lonxml::debug("Found a key was given to me");
     return ($gradingkey,'selected');      return ($gradingkey,'selected');
Line 631  sub get_key_todo { Line 985  sub get_key_todo {
   
     if ($env{'form.queuemode'} ne 'selected') {      if ($env{'form.queuemode'} ne 'selected') {
  # don't get something new from the queue if they hit the stop button   # don't get something new from the queue if they hit the stop button
     if (!($env{'form.stop'} && $target eq 'webgrade')       if (!(($env{'form.cancel'} || $env{'form.stop'}) 
         && $target eq 'webgrade') 
     && !$env{'form.gradingaction'}) {      && !$env{'form.gradingaction'}) {
     &Apache::lonxml::debug("Getting anew $queue");      &Apache::lonxml::debug("Getting anew $queue");
     return (&get_from_queue($queue));      return (&get_from_queue($queue));
Line 642  sub get_key_todo { Line 997  sub get_key_todo {
     return (undef,undef)      return (undef,undef)
 }  }
   
   sub minimize_storage {
       foreach my $key (keys(%Apache::lonhomework::results)) {
    if ($key =~ /regrader$/) { next; }
    if ($Apache::lonhomework::results{$key} eq
       $Apache::lonhomework::history{$key}) {
       delete($Apache::lonhomework::results{$key});
    }
       }
   }
   
 sub end_Task {  sub end_Task {
     my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;      my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
     my $result='';      my $result='';
Line 664  sub end_Task { Line 1029  sub end_Task {
 <h2>'.&mt('Submit Portfolio Files for Grading').'</h2>  <h2>'.&mt('Submit Portfolio Files for Grading').'</h2>
 <p>'.&mt('Indicate the files from your portfolio to be evaluated in grading this task.').'</p>').  <p>'.&mt('Indicate the files from your portfolio to be evaluated in grading this task.').'</p>').
   "</table>";    "</table>";
    }
    if (!$previous && $status ne 'SHOW_ANSWER' &&
       &show_task($status,$previous)) {
     $result.=&Apache::inputtags::gradestatus('0');      $result.=&Apache::inputtags::gradestatus('0');
     $result.='</form>';   }
   
    $result.='</form>';
   
    if (!$previous && $status ne 'SHOW_ANSWER' &&
       &show_task($status,$previous)) {
       my $action = &Apache::lonenc::check_encrypt($env{'request.uri'});
     $result.=<<DONEBUTTON;      $result.=<<DONEBUTTON;
 <form method="POST">  <form name="done" method="post" action="$action">
    <input type="hidden" name="donescreen" value="1" />     <input type="hidden" name="donescreen" value="1" />
    <input type="submit" value="Done" />     <input type="submit" value="Done" />
 </form>  </form>
 DONEBUTTON  DONEBUTTON
  }                  }
  if (&show_task($status,$previous) &&   if (&show_task($status,$previous) &&
     $Apache::lonhomework::history{"resource.$version.status"} =~ /^(pass|fail)$/) {      $Apache::lonhomework::history{"resource.$version.0.status"} =~ /^(pass|fail)$/) {
     my $bt_status=$Apache::lonhomework::history{"resource.$version.status"};      my $bt_status=$Apache::lonhomework::history{"resource.$version.0.status"};
     my $title=&Apache::lonnet::gettitle();      my $title=&Apache::lonnet::gettitle();
     my %slot=&Apache::lonnet::get_slot($Apache::inputtags::slot_name);  
     my $start_time=  
  &Apache::lonlocal::locallocaltime($slot{'starttime'});  
   
     my $status;      my $start_time;
     $status.="\n<div class='$bt_status'>\n";  
       my $slot_name=
    $Apache::lonhomework::history{"resource.$version.0.checkedin.slot"};
       if ($slot_name) {
    my %slot=&Apache::lonnet::get_slot($slot_name);
   
    $start_time=$slot{'starttime'}
       } else {
    $start_time= 
       &Apache::lonnet::EXT('resource.0.opendate');
       }
       $start_time=&Apache::lonlocal::locallocaltime($start_time);
   
       my $status = 
    "\n<div class='LC_$bt_status LC_criteria LC_task_overall_status'>\n\t";
           
       my $dim = $top;
       my %counts = &get_counts($dim,undef,$parstack,
        $safeeval);
       my $question_status ="\n\t<p>".
    &question_status_message(\%counts,-1).
    "</p>\n";
   
     if ($bt_status eq 'pass')  {      if ($bt_status eq 'pass')  {
  $status.='<h2>You passed the '.$title.' given on '.   $status.='<h2>You passed the '.$title.' given on '.
     $start_time.'.</h2>';      $start_time.'</h2>';
    $status.=$question_status;
     }      }
     if ($bt_status eq 'fail')  {      if ($bt_status eq 'fail')  {
  $status.='<h2>You did not pass the '.$title.' given on '.   $status.='<h2>You did not pass the '.$title.' given on '.
     $start_time.'.</h2>';      $start_time.'</h2>';
    $status.=$question_status;
  if (!$previous) {   if (!$previous) {
     $status.=&add_request_another_attempt_button();      $status.=&add_request_another_attempt_button();
  }   }
     }      }
     my $man_count=0;      
     my $opt_count=0;      $status.="\n".'</div>'."\n";
     my $opt_passed=0;  
     foreach my $dim_id (@Apache::bridgetask::dimensionlist) {      foreach my $id (@{$dimension{$dim}{'criterias'}}) {
  if ($Apache::bridgetask::dimensionmandatory{$dim_id}   my $type = $dimension{$dim}{'criteria.'.$id.'.type'};
     eq 'N') {   if ($type eq 'dimension') {
     $opt_count++;      $result.=$dimension{$id}{'result'};
     if ($Apache::lonhomework::history{"resource.$version.$dim_id.status"} eq 'pass') {      next;
  $opt_passed++;  
     }  
  } else {  
     $man_count++;  
  }   }
    my $criteria = 
       &nested_parse(\$dimension{$dim}{'criteria.'.$id},
     [@_]);
    $status .= &layout_web_Criteria($dim,$id,$criteria);
     }      }
     my $opt_req=&Apache::lonxml::get_param('OptionalRequired',  
  $parstack,$safeeval);  
     if ($opt_req !~ /\S/) { $opt_req='0'; }  
     $status.="\n<p>".&mt('You needed to pass all of the [_1]  mandatory components and [_2] of the [_3] optional components on the bridge task.',$man_count,$opt_req,$opt_count)."</p></div>\n";  
   
     my $internal_location=&internal_location();      my $internal_location=&internal_location();
     $result=~s/\Q$internal_location\E/$status/;      $result=~s/\Q$internal_location\E/$status/;
  }   }
     }    $result.="\n</div>\n".
     if ($target eq 'web' || $target eq 'webgrade') {      &Apache::loncommon::end_page({'discussion' => 1});
  $result.=&Apache::lonxml::xmlend().'</html>';  
     }      }
  }   }
  if ($target eq 'grade' && !$env{'form.webgrade'} && !$previous) {  
    my $useslots = &Apache::lonnet::EXT("resource.0.useslots");
    my %queue_data = ('type' => 'Task',
     'time' => time,);
    if (defined($Apache::inputtags::slot_name)) {
       $queue_data{'slot'} = $Apache::inputtags::slot_name;
    } elsif (defined($Apache::lonhomework::history{"resource.$version.0.checkedin.slot"})) {
       $queue_data{'slot'} = $Apache::lonhomework::history{"resource.$version.0.checkedin.slot"};
    }
   
   
    if ($target eq 'grade' && !$env{'form.webgrade'} && !$previous
       && $status eq 'CAN_ANSWER') {
     my $award='SUBMITTED';      my $award='SUBMITTED';
     &Apache::essayresponse::file_submission("$version.0",'bridgetask',      &Apache::essayresponse::file_submission("$version.0",'bridgetask',
     'portfiles',\$award);      'portfiles',\$award);
Line 739  DONEBUTTON Line 1140  DONEBUTTON
     $Apache::lonhomework::results{"resource.$version.0.submission"}='';      $Apache::lonhomework::results{"resource.$version.0.submission"}='';
     } else {      } else {
  delete($Apache::lonhomework::results{"resource.$version.0.bridgetask.portfiles"});   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);   &add_to_queue('gradingqueue',\%queue_data);
     }      }
  }   }
  if ($target eq 'grade' && $env{'form.webgrade'} eq 'yes') {   if ($target eq 'grade' && $env{'form.webgrade'} eq 'yes' 
       && exists($env{'form.cancel'})) {
       &check_queue_unlock($env{'form.queue'});
       &Apache::lonxml::debug(" cancelled grading .".$env{'form.queue'});
    } elsif ($target eq 'grade' && $env{'form.webgrade'} eq 'yes' 
    && !exists($env{'form.cancel'})) {
     my $optional_required=      my $optional_required=
  &Apache::lonxml::get_param('OptionalRequired',$parstack,   &Apache::lonxml::get_param('OptionalRequired',$parstack,
    $safeeval);     $safeeval);
Line 755  DONEBUTTON Line 1162  DONEBUTTON
     my $ungraded=0;      my $ungraded=0;
     my $review=0;         my $review=0;   
     &Apache::lonhomework::showhash(%Apache::lonhomework::results);      &Apache::lonhomework::showhash(%Apache::lonhomework::results);
     foreach my $dim_id (@Apache::bridgetask::dimensionlist) {      my $dim = $top;
       foreach my $id (@{$dimension{$dim}{'criterias'}}) {
    my $link=&link($id);
   
    my $type = $dimension{$dim}{'criteria.'.$id.'.type'};
   
    if ($type eq 'criteria') {
       # dimensional 'criteria' don't get assigned grades
       $Apache::lonhomework::results{"resource.$version.0.$id.status"}=$env{'form.HWVAL_'.$link};
       $Apache::lonhomework::results{"resource.$version.0.$id.comment"}=$env{'form.HWVAL_comment_'.$link};
    } 
  my $status=   my $status=
     $Apache::lonhomework::results{"resource.$version.$dim_id.status"};      $Apache::lonhomework::results{"resource.$version.0.$id.status"};
  my $mandatory=   my $mandatory=($dimension{$dim}{'criteria.'.$id.'.mandatory'} ne 'N');
     ($Apache::bridgetask::dimensionmandatory{$dim_id} ne 'N');  
  if ($status eq 'pass') {   if ($status eq 'pass') {
     if (!$mandatory) { $optional_passed++; }      if (!$mandatory) { $optional_passed++; }
  } elsif ($status eq 'fail') {   } elsif ($status eq 'fail') {
     if ($mandatory) { $mandatory_failed++; }      if ($mandatory) { $mandatory_failed++; }
  } elsif ($status eq 'ungraded') {  
     $ungraded++;  
  } elsif ($status eq 'review') {   } elsif ($status eq 'review') {
     $review++;      $review++;
    } elsif ($status eq 'ungraded') {
       $ungraded++;
  } else {   } else {
     $ungraded++;      $ungraded++;
  }   }
Line 775  DONEBUTTON Line 1192  DONEBUTTON
     if ($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(" task results -> m_f $mandatory_failed o_p $optional_passed u $ungraded r $review");
     $Apache::lonhomework::results{'resource.grader'}=      $Apache::lonhomework::results{'resource.0.regrader'}=
  $env{'user.name'}.'@'.$env{'user.domain'};   $env{'user.name'}.':'.$env{'user.domain'};
     if ($review) {      if ($review) {
  $Apache::lonhomework::results{"resource.$version.status"}='review';   $Apache::lonhomework::results{"resource.$version.0.status"}='review';
  if ($env{'form.queue'} eq 'reviewqueue') {  
     &check_queue_unlock($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';
  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($env{'form.queue'});    my ($symb,$courseid,$udom,$uname)=&Apache::lonnet::whichuser();
   
  my ($symb,$courseid,$udom,$uname)=&Apache::lonxml::whichuser();  
   
  if ($env{'form.regrade'} ne 'yes') {   if ($env{'form.regrade'} ne 'yes') {
     $Apache::lonhomework::results{"resource.$version.0.bridgetask.portfiles"}=      $Apache::lonhomework::results{"resource.$version.0.bridgetask.portfiles"}=
Line 814  DONEBUTTON Line 1216  DONEBUTTON
        ["$version.0.bridgetask"]);         ["$version.0.bridgetask"]);
  }   }
     } else {      } else {
  $Apache::lonhomework::results{"resource.$version.status"}='pass';   $Apache::lonhomework::results{"resource.$version.0.status"}='pass';
  $Apache::lonhomework::results{"resource.$version.0.solved"}='correct_by_override';   $Apache::lonhomework::results{"resource.$version.0.solved"}='correct_by_override';
  $Apache::lonhomework::results{"resource.$version.0.award"}='EXACT_ANS';   $Apache::lonhomework::results{"resource.$version.0.award"}='EXACT_ANS';
  $Apache::lonhomework::results{"resource.$version.0.awarded"}='1';   $Apache::lonhomework::results{"resource.$version.0.awarded"}='1';
  &remove_from_queue($env{'form.queue'});   my ($symb,$courseid,$udom,$uname)=&Apache::lonnet::whichuser();
   
  my ($symb,$courseid,$udom,$uname)=&Apache::lonxml::whichuser();  
  if ($env{'form.regrade'} ne 'yes') {   if ($env{'form.regrade'} ne 'yes') {
     $Apache::lonhomework::results{"resource.$version.0.bridgetask.portfiles"}=      $Apache::lonhomework::results{"resource.$version.0.bridgetask.portfiles"}=
  $Apache::lonhomework::history{"resource.$version.0.bridgetask.portfiles"};   $Apache::lonhomework::history{"resource.$version.0.bridgetask.portfiles"};
Line 831  DONEBUTTON Line 1231  DONEBUTTON
        ["$version.0.bridgetask"]);         ["$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.0.award"};      $Apache::lonhomework::results{"resource.$version.0.award"};
Line 841  DONEBUTTON Line 1241  DONEBUTTON
  $Apache::lonhomework::results{"resource.0.solved"}=   $Apache::lonhomework::results{"resource.0.solved"}=
     $Apache::lonhomework::results{"resource.$version.0.solved"};      $Apache::lonhomework::results{"resource.$version.0.solved"};
     }      }
       &minimize_storage();
       &Apache::structuretags::finalize_storage();
       
       # data stored, now handle queue
       if ($review) {
    if ($env{'form.queue'} eq 'reviewqueue') {
       &check_queue_unlock($env{'form.queue'});
       &Apache::lonxml::debug(" still needs review not changing status.");
    } else {
       if ($env{'form.queue'} ne 'none') {
    &move_between_queues($env{'form.queue'},'reviewqueue');
       } else {
    &add_to_queue('reviewqueue',\%queue_data);
       }
    }
       } elsif ($ungraded) {
    if ($env{'form.queue'} eq 'reviewqueue') {
       &Apache::lonxml::debug("moving back.");
       &move_between_queues($env{'form.queue'},
    'gradingqueue');
    } elsif ($env{'form.queue'} eq 'none' ) {
       &add_to_queue('gradingqueue',\%queue_data);
    } else {
       &check_queue_unlock($env{'form.queue'});
    }
       } elsif ($mandatory_failed) {
    &remove_from_queue($env{'form.queue'}); 
       } else {
    &remove_from_queue($env{'form.queue'});
       }
    }
    if (exists($Apache::lonhomework::results{'INTERNAL_store'})) {
       # instance generation occured and hasn't yet been stored
     &Apache::structuretags::finalize_storage();      &Apache::structuretags::finalize_storage();
  }   }
     } elsif ($target eq 'webgrade') {      } elsif ($target eq 'webgrade') {
  $result.="</table>\n<hr />";   if (&nest()) {
       &Apache::lonxml::endredirection();
       &end_delay();
       $result.=$dimension{$top}{'result'};
    } else {
       $result.=&Apache::lonxml::endredirection();
    }
    my $dim = $top;
    foreach my $id (@{$dimension{$dim}{'criterias'}} ) {
       my $type = $dimension{$dim}{'criteria.'.$id.'.type'};
       if ($type eq 'dimension') {
    # dimensional 'criteria' don't get assigned grades
    next;
       } else {
    my $criteria =&nested_parse(\$dimension{$dim}{'criteria.'.$id},
        [@_]);
    $criteria = &layout_webgrade_Criteria($dim,$id,$criteria);
    my $internal_location=&internal_location($id);
    if ($result =~ m/\Q$internal_location\E/) {
       $result=~s/\Q$internal_location\E/$criteria/;
    } else {
       $result.=$criteria;
    }
   
       }
    }
           $result.="</div>";
  #$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="'.   #$result.='<input type="submit" name="end" value="'.
Line 853  DONEBUTTON Line 1312  DONEBUTTON
  #    &mt('Throw Away &amp; Stop Grading').'" /> ';   #    &mt('Throw Away &amp; Stop Grading').'" /> ';
  #$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>';   $result.='</form>'."\n</div>\n</div>\n".
       &Apache::loncommon::end_page();
     } elsif ($target eq 'meta') {      } elsif ($target eq 'meta') {
  $result.=&Apache::response::meta_package_write('Task');   $result.=&Apache::response::meta_package_write('Task');
         $result.=&meta_stores_write('solved','string','Problem Status');          $result.=&Apache::response::meta_stores_write('solved','string',
  $result.=&meta_stores_write('tries','int_zeropos',        'Problem Status');
     'Number of Attempts');   $result.=&Apache::response::meta_stores_write('tries','int_zeropos',
  $result.=&meta_stores_write('awarded','float',        'Number of Attempts');
     'Partial Credit Factor');   $result.=&Apache::response::meta_stores_write('awarded','float',
  $result.=&meta_stores_write('status','string',        'Partial Credit Factor');
     'Bridge Task Status');   $result.=&Apache::response::meta_stores_write('status','string',
         'Bridge Task Status');
       } elsif ($target eq 'edit') {
    &Apache::structuretags::reset_problem_globals('Task');
    undef($Apache::lonhomework::parsing_a_task);
    return ('','no');
     }      }
       &Apache::structuretags::reset_problem_globals('Task');
     undef($Apache::lonhomework::parsing_a_task);      undef($Apache::lonhomework::parsing_a_task);
     return $result;      return $result;
 }  }
Line 877  sub move_between_queues { Line 1343  sub move_between_queues {
     } else {      } else {
  $cur_data = ['none'];   $cur_data = ['none'];
     }      }
     my $result=&add_to_queue($dest_queue,$cur_data->[0]);      my $result=&add_to_queue($dest_queue,$cur_data);
     if ($result ne 'ok') {      if ($result ne 'ok') {
  return $result;   return $result;
     }      }
Line 888  sub move_between_queues { Line 1354  sub move_between_queues {
 sub check_queue_unlock {  sub check_queue_unlock {
     my ($queue,$key,$allow_not_me)=@_;      my ($queue,$key,$allow_not_me)=@_;
     if ($queue eq 'none') { return 'ok'; }      if ($queue eq 'none') { return 'ok'; }
     my ($symb,$cid,$udom,$uname)=&Apache::lonxml::whichuser();      my ($symb,$cid,$udom,$uname)=&Apache::lonnet::whichuser();
     if (!defined($key)) {      if (!defined($key)) {
  $key="$symb\0queue\0$uname\@$udom";   $key="$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 $me=$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::lonxml::debug("unlocking my own $who");
  return &Apache::lonnet::del($queue,["$key\0locked"],$cdom,$cnum);   return &Apache::lonnet::del($queue,["$key\0locked"],$cdom,$cnum);
     } elsif ($allow_not_me) {      } elsif ($allow_not_me) {
  &Apache::lonxml::debug("unlocking $who by $me");   &Apache::lonxml::debug("unlocking $who by $me");
Line 905  sub check_queue_unlock { Line 1372  sub check_queue_unlock {
     return 'not_owner';      return 'not_owner';
 }  }
   
   sub in_queue {
       my ($queue,$symb,$cdom,$cnum,$udom,$uname)=@_;
       if ($queue eq 'none') { return 0; }
       if (!defined($symb) || !defined($cdom) || !defined($cnum)
    || !defined($udom) || !defined($uname)) {
    ($symb,my $cid,$udom,$uname)=&Apache::lonnet::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,$uname)=@_;
     if ($queue eq 'none') { return 'ok'; }      if ($queue eq 'none') { return 'ok'; }
     my ($symb,$cid,$udom,$uname)=&Apache::lonxml::whichuser();      if (!defined($symb) || !defined($cdom) || !defined($cnum)
     my $cnum=$env{'course.'.$cid.'.num'};   || !defined($udom) || !defined($uname)) {
     my $cdom=$env{'course.'.$cid.'.domain'};   ($symb,my $cid,$udom,$uname)=&Apache::lonnet::whichuser();
     my $key="$symb\0queue\0$uname\@$udom";   $cnum=$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 928  sub setup_env_for_other_user { Line 1420  sub setup_env_for_other_user {
 }  }
   
 sub get_queue_data {  sub get_queue_data {
     my ($queue)=@_;      my ($queue,$udom,$uname)=@_;
     my ($symb,$cid,$udom,$uname)=&Apache::lonxml::whichuser();      my ($symb,$cid,$other_udom,$other_uname)=&Apache::lonnet::whichuser();
       if (!$uname || !$udom) {
    $uname=$other_uname;
    $udom =$other_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 $todo="$symb\0queue\0$uname\@$udom";      my $todo="$symb\0queue\0$uname:$udom";
     my ($key,$value)=&Apache::lonnet::get($queue,[$todo],$cdom,$cnum);      my ($key,$value)=&Apache::lonnet::get($queue,[$todo],$cdom,$cnum);
     if ($key eq $todo && ref($value)) {      if ($key eq $todo && ref($value)) {
  return $value;   return $value;
Line 940  sub get_queue_data { Line 1436  sub get_queue_data {
     return undef;      return undef;
 }  }
   
   
 sub check_queue_for_key {  sub check_queue_for_key {
     my ($cid,$queue,$todo)=@_;      my ($cdom,$cnum,$queue,$todo)=@_;
     my $cnum=$env{'course.'.$cid.'.num'};  
     my $cdom=$env{'course.'.$cid.'.domain'};  
     my %results=      my %results=
  &Apache::lonnet::get($queue,[$todo,"$todo\0locked"],$cdom,$cnum);   &Apache::lonnet::get($queue,[$todo,"$todo\0locked"],$cdom,$cnum);
           
Line 951  sub check_queue_for_key { Line 1447  sub check_queue_for_key {
  if (defined($results{"$todo\0locked"})) {   if (defined($results{"$todo\0locked"})) {
     return 'locked';      return 'locked';
  }   }
  my $slot=$results{$todo}->[0];   if (my $slot=&slotted_access($results{$todo})) {
  my %slot_data=&Apache::lonnet::get_slot($slot);      my %slot_data=&Apache::lonnet::get_slot($slot);
  if ($slot_data{'endtime'} > time) {       if ($slot_data{'endtime'} > time) { 
     return 'in_progress';   return 'in_progress';
       }
    } else {
       my ($symb) = &decode_queue_key($todo);
       my $due_date = &Apache::lonhomework::due_date('0',$symb);
       if ($due_date > time) {
    return 'in_progress';
       }
  }   }
  return 'enqueued';   return 'enqueued';
     }      }
Line 962  sub check_queue_for_key { Line 1465  sub check_queue_for_key {
 }  }
   
 sub add_to_queue {  sub add_to_queue {
     my ($queue,$slot_name)=@_;      my ($queue,$user_data)=@_;
     if ($queue eq 'none') { return 'ok'; }      if ($queue eq 'none') { return 'ok'; }
     my ($symb,$cid,$udom,$uname)=&Apache::lonxml::whichuser();      my ($symb,$cid,$udom,$uname)=&Apache::lonnet::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 get_limited_classlist {
       my ($sections) = @_;
   
       my $classlist = &Apache::loncoursedata::get_classlist();
       foreach my $student (keys(%$classlist)) {
    if ( $classlist->{$student}[&Apache::loncoursedata::CL_STATUS()]
        ne 'Active') {
       delete($classlist->{$student});
           }
       }
   
       if (ref($sections) && !grep('all',@{ $sections })) {
    foreach my $student (keys(%$classlist)) {
       my $section  = 
    $classlist->{$student}[&Apache::loncoursedata::CL_SECTION()];
       if (! grep($section,@{ $sections })) {
    delete($classlist->{$student});
       }
    }
       }
       return $classlist;
   }
   
   
 sub show_queue {  sub show_queue {
     my ($queue,$with_selects)=@_;      my ($queue,$with_selects)=@_;
     my $result;      my $result;
     my ($symb,$cid,$udom,$uname)=&Apache::lonxml::whichuser();      my ($symb,$cid,$udom,$uname)=&Apache::lonnet::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=      my @chosen_sections=
  &Apache::loncommon::get_env_multiple('form.chosensections');   &Apache::loncommon::get_env_multiple('form.chosensections');
     &Apache::grades::init_perm();  
     my ($classlist,$section,$fullname)=&Apache::grades::getclasslist(\@chosen_sections,);      my $classlist = &get_limited_classlist(\@chosen_sections);
     &Apache::grades::reset_perm();  
     if (!(grep(/^all$/,@chosen_sections))) {      if (!(grep(/^all$/,@chosen_sections))) {
  $result.='<p> Showing only sections <tt>'.join(', ',@chosen_sections).   $result.='<p> Showing only sections <tt>'.join(', ',@chosen_sections).
     '</tt>.</p> '."\n";      '</tt>.</p> '."\n";
     }      }
   
       my ($view,$view_section);
       my $scope = $env{'request.course.id'};
       if (!($view=&Apache::lonnet::allowed('vgr',$scope))) {
    $scope .= '/'.$env{'request.course.sec'};
    if ( $view = &Apache::lonnet::allowed('vgr',$scope)) {
       $view_section=$env{'request.course.sec'};
    } else {
       undef($view);
    }
       }
   
     my $regexp="^$symb\0";      my $regexp="^$symb\0";
     my %queue=&Apache::lonnet::dump($queue,$cdom,$cnum,$regexp);      my %queue=&Apache::lonnet::dump($queue,$cdom,$cnum,$regexp);
     my ($tmp)=%queue;      my ($tmp)=%queue;
     if ($tmp=~/^error: 2 /) {      if ($tmp=~/^error: 2 /) {
  return "\n<h3>Current Queue - $queue</h3><table border='1'><tr><td>Empty</td></tr></table>";   return "\n<h3>Current Queue - $queue</h3>".
     }      &Apache::loncommon::start_data_table().
     $result.="\n<h3>Current Queue - $queue </h3><table border='1'><tr>";      &Apache::loncommon::start_data_table_row().
     if ($with_selects) { $result.="<th></th>"; }      '<td>'.&mt('Empty').'</td>'.
     $result.="<th>resource</th><th>user</th><th>type</th><th>data</th></tr>";      &Apache::loncommon::end_data_table_row().
       &Apache::loncommon::end_data_table();
       }
       my $title=&Apache::lonnet::gettitle($symb);
       $result.="\n<h3>Current Queue - $title $queue </h3>".
    &Apache::loncommon::start_data_table().
    &Apache::loncommon::start_data_table_header_row();
       if ($with_selects) { $result.="<th>Status</th><th></th>"; }
       $result.="<th>user</th><th>data</th>".
    &Apache::loncommon::end_data_table_header_row();
     foreach my $key (sort(keys(%queue))) {      foreach my $key (sort(keys(%queue))) {
  my ($symb,$uname,$udom) = &decode_queue_key($key);   my ($symb,$uname,$udom) = &decode_queue_key($key);
  if (!defined($classlist->{$uname.':'.$udom})) { next; }   if (!defined($classlist->{$uname.':'.$udom})) { next; }
   
    my $section = $classlist->{$uname.':'.$udom}[&Apache::loncoursedata::CL_SECTION()];
   
    my $can_view=1;
    if (!$view
       || ($view_section && !$section)
       || ($view_section && $section && ($view_section ne $section))) {
       $can_view=0;
    }
   
  if ($key=~/locked$/ && !$with_selects) {   if ($key=~/locked$/ && !$with_selects) {
     my $title=&Apache::lonnet::gettitle($symb);      $result.= &Apache::loncommon::start_data_table_row().
     $result.="<tr><td>$title</td><td>$uname</td>";   "<td>$uname</td>";
     $result.='<td>lock</td><td>'.$queue{$key}.'</td></tr>';      $result.='<td>'.$queue{$key}.'</td></tr>';
  } elsif ($key=~/timestamp$/ && !$with_selects) {   } elsif ($key=~/timestamp$/ && !$with_selects) {
     my ($symb,undef) = split("\0",$key);      $result.=&Apache::loncommon::start_data_table_row()."<td></td>";
     my $title=&Apache::lonnet::gettitle($symb);      $result.='<td>'.
     $result.="<tr><td>$title</td><td></td>";  
     $result.='<td>last queue modification time</td><td>'.  
  &Apache::lonlocal::locallocaltime($queue{$key})."</td></tr>";   &Apache::lonlocal::locallocaltime($queue{$key})."</td></tr>";
  } elsif ($key!~/(timestamp|locked)$/) {   } elsif ($key!~/(timestamp|locked)$/) {
     my $title=&Apache::lonnet::gettitle($symb);      $result.= &Apache::loncommon::start_data_table_row();
     $result.="<tr>";      my ($end_time,$slot_text);
     my $slot=$queue{$key}->[0];      if (my $slot=&slotted_access($queue{$key})) {
     my %slot_data=&Apache::lonnet::get_slot($slot);   my %slot_data=&Apache::lonnet::get_slot($slot);
    $end_time = $slot_data{'endtime'};
    $slot_text = &mt('Slot: [_1]',$slot);
       } else {
    $end_time = &Apache::lonhomework::due_date('0',$symb);
    $slot_text = '';
       }
     if ($with_selects) {      if ($with_selects) {
  my $ekey=&Apache::lonnet::escape($key);   my $ekey=&escape($key);
  my ($action,$description)=('select',&mt('Select'));   my ($action,$description,$status)=('select',&mt('Select'));
  if (exists($queue{"$key\0locked"})) {   if (exists($queue{"$key\0locked"})) {
     my $me=$env{'user.name'}.'@'.$env{'user.domain'};      my ($locker,$time) = 
     if ($me eq $queue{"$key\0locked"}) {   &get_lock_info($queue{"$key\0locked"});
       if ($time) {
    $time = 
       &Apache::lonnavmaps::timeToHumanString($time,
      'start');
       }
       my $me=$env{'user.name'}.':'.$env{'user.domain'};
       $status=&mt('Locked by <tt>[_1]</tt> [_2]',$locker,$time);
       if ($me eq $locker) {
  ($action,$description)=('resume',&mt('Resume'));   ($action,$description)=('resume',&mt('Resume'));
     } else {      } else {
  ($action,$description)=('unlock',&mt('Unlock'));   ($action,$description)=('unlock',&mt('Unlock'));
Line 1032  sub show_queue { Line 1604  sub show_queue {
     $seclist.='<input type="hidden" name="chosensections"       $seclist.='<input type="hidden" name="chosensections" 
                                value="'.$sec.'" />';                                 value="'.$sec.'" />';
  }   }
  if (time > $slot_data{'endtime'}) {   if ($can_view && ($end_time ne '' && time > $end_time)) {
     $result.=(<<FORM);      $result.=(<<FORM);
   <td>$status</td>
 <td>  <td>
 <form method="POST">  <form style="display: inline" method="post">
  <input type="hidden" name="gradingkey" value="$ekey" />   <input type="hidden" name="gradingkey" value="$ekey" />
  <input type="hidden" name="queue" value="$queue" />   <input type="hidden" name="queue" value="$queue" />
  <input type="hidden" name="gradingaction" value="$action" />   <input type="hidden" name="gradingaction" value="$action" />
Line 1046  sub show_queue { Line 1619  sub show_queue {
 </form>  </form>
 </td>  </td>
 FORM  FORM
                   } elsif (!$can_view && ($end_time ne '' && time > $end_time)) {
       $result.='<td>'.&mt("Not gradable").'</td><td>&nbsp;</td>'
                 } else {                  } else {
     $result.='<td>'.&mt("In Progress").'</td>'      $result.='<td>'.&mt("In Progress").'</td><td>&nbsp;</td>'
  }   }
     }      }
     $result.="<td>$title</td><td>$uname</td>";      $result.= "<td>".$classlist->{$uname.':'.$udom}[&Apache::loncoursedata::CL_FULLNAME()].
     $result.='<td>queue entry</td><td>Slot: '.$slot.' End time: '.   " <tt>($uname:$udom)</tt> </td>";
  &Apache::lonlocal::locallocaltime($slot_data{'endtime'}).      $result.='<td>'.$slot_text.' End time: '.
  "</td></tr>";   &Apache::lonlocal::locallocaltime($end_time).
    "</td>".&Apache::loncommon::end_data_table_row();
  }   }
     }      }
     $result.="</table><hr />\n";      $result.= &Apache::loncommon::end_data_table()."<hr />\n";
     return $result;      return $result;
 }  }
   
 sub get_queue_counts {  sub get_queue_counts {
     my ($queue)=@_;      my ($queue)=@_;
     my $result;      my $result;
     my ($symb,$cid,$udom,$uname)=&Apache::lonxml::whichuser();      my ($symb,$cid,$udom,$uname)=&Apache::lonnet::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 $classlist=&get_limited_classlist();
   
     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;
Line 1074  sub get_queue_counts { Line 1652  sub get_queue_counts {
  return (0,0,0);   return (0,0,0);
     }      }
     my ($entries,$ready_to_grade,$locks)=(0,0,0);      my ($entries,$ready_to_grade,$locks)=(0,0,0);
       my %slot_cache;
     foreach my $key (sort(keys(%queue))) {      foreach my $key (sort(keys(%queue))) {
    my ($symb,$uname,$udom) = &decode_queue_key($key);
    if (!defined($classlist->{$uname.':'.$udom})) { next; }
  if ($key=~/locked$/) {   if ($key=~/locked$/) {
     $locks++;      $locks++;
  } elsif ($key=~/timestamp$/) {   } elsif ($key=~/timestamp$/) {
     #ignore      #ignore
  } elsif ($key!~/(timestamp|locked)$/) {   } elsif ($key!~/(timestamp|locked)$/) {
     my ($symb,$uname,$udom) = &decode_queue_key($key);  
     $entries++;      $entries++;
     my $slot=$queue{$key}->[0];      if (my $slot=&slotted_access($queue{$key})) {
     my %slot_data=&Apache::lonnet::get_slot($slot);   if (!exists($slot_cache{$slot})) {
     if (time > $slot_data{'endtime'}) {      my %slot_data=&Apache::lonnet::get_slot($slot);
  $ready_to_grade++;      $slot_cache{$slot} = \%slot_data;
    }
    if (time > $slot_cache{$slot}{'endtime'}) {
       $ready_to_grade++;
    }
       } else {
    my $due_date = &Apache::lonhomework::due_date('0',$symb);
    if ($due_date ne '' && time > $due_date) {
       $ready_to_grade++;
    }
     }      }
  }   }
     }      }
Line 1094  sub get_queue_counts { Line 1683  sub get_queue_counts {
   
 sub encode_queue_key {  sub encode_queue_key {
     my ($symb,$udom,$uname)=@_;      my ($symb,$udom,$uname)=@_;
     return "$symb\0queue\0$uname\@$udom";      return "$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);
     my ($uname,$udom) = split('@',$user);      my ($uname,$udom) = split(':',$user);
     return ($symb,$uname,$udom);      return ($symb,$uname,$udom);
 }  }
   
 sub queue_key_locked {  sub queue_key_locked {
     my ($queue,$key,$cdom,$cnum)=@_;      my ($queue,$key,$cdom,$cnum)=@_;
     if (!defined($cdom) || !defined($cnum)) {      if (!defined($cdom) || !defined($cnum)) {
  my (undef,$cid)=&Apache::lonxml::whichuser();   my (undef,$cid)=&Apache::lonnet::whichuser();
  $cnum=$env{'course.'.$cid.'.num'};   $cnum=$env{'course.'.$cid.'.num'};
  $cdom=$env{'course.'.$cid.'.domain'};   $cdom=$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") {
  return $value;   return &get_lock_info($value);
       }
       return undef;
   }
   
   sub slotted_access {
       my ($queue_entry) = @_;
       if (ref($queue_entry) eq 'ARRAY') {
    if (defined($queue_entry->[0])) {
       return $queue_entry->[0];
    }
    return undef;
       } elsif (ref($queue_entry) eq 'HASH') {
    if (defined($queue_entry->{'slot'})) {
       return $queue_entry->{'slot'};
    }
    return undef;
     }      }
     return undef;      return undef;
 }  }
   
 sub pick_from_queue_data {  sub pick_from_queue_data {
     my ($queue,$check_section,$queuedata,$cdom,$cnum)=@_;      my ($queue,$check_section,$queuedata,$cdom,$cnum,$classlist)=@_;
       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 ($key =~ /\0locked$/) { next; }
  if ($key =~ /\0timestamp$/) { next; }   if ($key =~ /\0timestamp$/) { next; }
   
  my ($symb,$uname,$udom)=&decode_queue_key($key);   my ($symb,$uname,$udom)=&decode_queue_key($key);
    if (!defined($classlist->{$uname.':'.$udom})) { next; }
   
  if ($check_section) {   if ($check_section) {
     my $section=&Apache::lonnet::getsection($uname,$udom);      my $section =
    $classlist->{$uname.':'.$udom}[&Apache::loncoursedata::CL_SECTION()];
     if ($section eq $check_section) {      if ($section eq $check_section) {
  &Apache::lonxml::debug("my sec");   &Apache::lonxml::debug("my sec");
  next;   next;
     }      }
  }   }
  my $slot=$queuedata->{$key}[0];   my $end_time;
  my %slot_data=&Apache::lonnet::get_slot($slot);   if (my $slot=&slotted_access($queuedata->{$key})) {
  if ($slot_data{'endtime'} > time) {       &Apache::lonxml::debug("looking at slot $slot");
     &Apache::lonxml::debug("not time");      my %slot_data=&Apache::lonnet::get_slot($slot);
     next;      if ($slot_data{'endtime'} < time) { 
    $end_time = $slot_data{'endtime'};
       } else {
    &Apache::lonxml::debug("not time ".$slot_data{'endtime'});
    next;
       }
    } else {
       my $due_date = &Apache::lonhomework::due_date('0',$symb);
       if ($due_date < time) {
    $end_time = $due_date;
       } else {
    &Apache::lonxml::debug("not time $due_date");
    next;
       }
  }   }
  if (&queue_key_locked($queue,$key,$cdom,$cnum)) {  
    if (exists($queuedata->{"$key\0locked"})) {
     &Apache::lonxml::debug("someone already has um.");      &Apache::lonxml::debug("someone already has um.");
     next;      next;
  }   }
  return $key;   push(@possible,[$key,$end_time]);
       }
       if (@possible) {
           # sort entries in order by slot end time
    @possible = sort { $a->[1] <=> $b->[1] } @possible;
    # pick one of the entries in the top 10% in small queues and one
    # of the first ten entries in large queues
    #my $ten_percent = int($#possible * 0.1);
    #if ($ten_percent < 1 ) { $ten_percent = 1;  }
    #if ($ten_percent > 10) { $ten_percent = 10; }
    #my $max=($#possible < $ten_percent) ? $#possible : $ten_percent;
   
    #return $possible[int(rand($max))][0];
    return $possible[0][0];
     }      }
     return undef;      return undef;
 }  }
   
   sub get_lock_info {
       my ($lock_info) = @_;
       if (wantarray) {
    if (ref($lock_info) eq 'ARRAY') {
       return @{$lock_info};
    } else {
       return ($lock_info);
    }
       } else {
    if (ref($lock_info) eq 'ARRAY') {
       return $lock_info->[0];
    } else {
       return $lock_info;
    }
       }
       return;
   }
   
 sub find_mid_grade {  sub find_mid_grade {
     my ($queue,$symb,$cdom,$cnum)=@_;      my ($queue,$symb,$cdom,$cnum)=@_;
     my $todo=&Apache::lonnet::unescape($env{'form.gradingkey'});      my $todo=&unescape($env{'form.gradingkey'});
     my $me=$env{'user.name'}.'@'.$env{'user.domain'};      my $me=$env{'user.name'}.':'.$env{'user.domain'};
     if ($todo) {      if ($todo) {
  my $who=&queue_key_locked($queue,$todo,$cdom,$cnum);   my $who=&queue_key_locked($queue,$todo,$cdom,$cnum);
  if ($who eq $me) { return $todo; }   if ($who eq $me) { return $todo; }
Line 1158  sub find_mid_grade { Line 1813  sub find_mid_grade {
     my $regexp="^$symb\0.*\0locked\$";      my $regexp="^$symb\0.*\0locked\$";
     my %locks=&Apache::lonnet::dump($queue,$cdom,$cnum,$regexp);      my %locks=&Apache::lonnet::dump($queue,$cdom,$cnum,$regexp);
     foreach my $key (keys(%locks)) {      foreach my $key (keys(%locks)) {
  my $who=$locks{$key};   my $who= &get_lock_info($locks{$key});
  if ($who eq $me) {   if ($who eq $me) {
     $todo=$key;      $todo=$key;
     $todo=~s/\0locked$//;      $todo=~s/\0locked$//;
Line 1170  sub find_mid_grade { Line 1825  sub find_mid_grade {
   
 sub lock_key {  sub lock_key {
     my ($queue,$todo)=@_;      my ($queue,$todo)=@_;
     my $me=$env{'user.name'}.'@'.$env{'user.domain'};      my $me=$env{'user.name'}.':'.$env{'user.domain'};
     my (undef,$cid)=&Apache::lonxml::whichuser();      my (undef,$cid)=&Apache::lonnet::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 $success=&Apache::lonnet::newput($queue,{"$todo\0locked"=> $me},      my $success=&Apache::lonnet::newput($queue,{"$todo\0locked"=> [$me,time]},
  $cdom,$cnum);   $cdom,$cnum);
     &Apache::lonxml::debug("success $success $todo");      &Apache::lonxml::debug("success $success $todo");
     if ($success eq 'ok') {      if ($success eq 'ok') {
Line 1183  sub lock_key { Line 1838  sub lock_key {
     return 0;      return 0;
 }  }
   
   sub get_queue_symb_status {
       my ($queue,$symb,$cdom,$cnum) = @_;
       if (!defined($cdom) || !defined($cnum)) {
    my (undef,$cid)=&Apache::lonnet::whichuser();
    $cnum=$env{'course.'.$cid.'.num'};
    $cdom=$env{'course.'.$cid.'.domain'};
       }
       my $classlist=&get_limited_classlist();
   
       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($key);
    next if (!defined($classlist->{$uname.':'.$udom}));
    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::lonnet::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 $todo=&find_mid_grade($queue,$symb,$cdom,$cnum);      my $todo=&find_mid_grade($queue,$symb,$cdom,$cnum);
     &Apache::lonxml::debug("found ".join(':',&decode_queue_key($todo)));      &Apache::lonxml::debug("found ".join(':',&decode_queue_key($todo)));
     if ($todo) { return $todo; }      if ($todo) { return $todo; }
       my $attempts=0;
   
       my $classlist=&get_limited_classlist();
   
     while (1) {      while (1) {
    if ($attempts > 2) {
       # tried twice to get a queue entry, giving up
       return (undef,'unable');
    }
  my $starttime=time;   my $starttime=time;
  &Apache::lonnet::put($queue,{"$symb\0timestamp"=>$starttime},   &Apache::lonnet::cput($queue,{"$symb\0timestamp"=>$starttime},
      $cdom,$cnum);        $cdom,$cnum);
  &Apache::lonxml::debug("$starttime");   &Apache::lonxml::debug("$starttime");
  my $regexp="^$symb\0queue\0";   my $regexp="^$symb\0queue\0";
    #my $range= ($attempts < 1 ) ? '0-100' : '0-400';
   
  my %queue=&Apache::lonnet::dump($queue,$cdom,$cnum,$regexp);   my %queue=&Apache::lonnet::dump($queue,$cdom,$cnum,$regexp);
  #make a pass looking for a user _not_ in my section   #make a pass looking for a user _not_ in my section
  if ($env{'request.course.sec'}) {   if ($env{'request.course.sec'}) {
     &Apache::lonxml::debug("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,$cnum,$classlist);
     &Apache::lonxml::debug("sce $todo");      &Apache::lonxml::debug("sce $todo");
  }   }
  # no one _not_ in our section so look for any user that is   # no one _not_ in our section so look for any user that is
  # ready for grading   # ready for grading
  if (!$todo) {   if (!$todo) {
     &Apache::lonxml::debug("no sce");      &Apache::lonxml::debug("no sce");
     $todo=&pick_from_queue_data($queue,$env{'request.course.sec'},      $todo=&pick_from_queue_data($queue,undef,\%queue,$cdom,$cnum,
  \%queue,$cdom,$cnum);   $classlist);
     &Apache::lonxml::debug("no sce $todo");      &Apache::lonxml::debug("no sce $todo");
  }   }
  # no user to grade    # no user to grade 
Line 1219  sub get_from_queue { Line 1908  sub get_from_queue {
  &Apache::lonxml::debug("got $todo");   &Apache::lonxml::debug("got $todo");
  # otherwise found someone so lets try to lock them   # otherwise found someone so lets try to lock them
  # unless someone else already picked them   # unless someone else already picked them
  if (!&lock_key($queue,$todo)) { next; }   if (!&lock_key($queue,$todo)) {
       $attempts++;
       next;
    }
  my (undef,$endtime)=   my (undef,$endtime)=
     &Apache::lonnet::get($queue,["$symb\0timestamp"],      &Apache::lonnet::get($queue,["$symb\0timestamp"],
  $cdom,$cnum);   $cdom,$cnum);
Line 1238  sub get_from_queue { Line 1930  sub get_from_queue {
  &Apache::lonnet::del($queue,["$todo\0locked"],   &Apache::lonnet::del($queue,["$todo\0locked"],
      $cdom,$cnum);       $cdom,$cnum);
  &Apache::lonxml::debug("del");   &Apache::lonxml::debug("del");
    $attempts++;
  next;   next;
     }      }
  }   }
Line 1248  sub get_from_queue { Line 1941  sub get_from_queue {
 }  }
   
 sub select_user {  sub select_user {
     my ($symb,$cid)=&Apache::lonxml::whichuser();      my ($symb,$cid)=&Apache::lonnet::whichuser();
   
     my @chosen_sections=      my @chosen_sections=
  &Apache::loncommon::get_env_multiple('form.chosensections');   &Apache::loncommon::get_env_multiple('form.chosensections');
     &Apache::grades::init_perm();  
     my ($classlist,$section,$fullname)=&Apache::grades::getclasslist(\@chosen_sections,);      my $classlist = &get_limited_classlist(\@chosen_sections);
     &Apache::grades::reset_perm();  
           
     my $result;      my $result;
     if (!(grep(/^all$/,@chosen_sections))) {      if (!(grep(/^all$/,@chosen_sections))) {
  $result.='<p> Showing only sections <tt>'.join(', ',@chosen_sections).   $result.='<p> Showing only sections <tt>'.join(', ',@chosen_sections).
     '</tt>.</p> '."\n";      '</tt>.</p> '."\n";
     }      }
     $result.='<table border="1">';      $result.=&Apache::loncommon::start_data_table();
   
     foreach my $student (sort {lc($$fullname{$a}) cmp lc($$fullname{$b}) } keys %$fullname) {      foreach my $student (sort {lc($classlist->{$a}[&Apache::loncoursedata::CL_FULLNAME()]) cmp lc($classlist->{$b}[&Apache::loncoursedata::CL_FULLNAME()]) } (keys(%$classlist))) {
  my ($uname,$udom) = split(/:/,$student);   my ($uname,$udom) = split(/:/,$student);
   
  my %status = &get_student_status($symb,$cid,$udom,$uname);   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 $queue = 'none';
  my $cannot_grade;   my $cannot_grade;
  if ($status{'reviewqueue'} =~ /^(in_progress|enqueue)$/) {   if ($status{'reviewqueue'} =~ /^(in_progress|enqueue)$/) {
Line 1281  sub select_user { Line 1976  sub select_user {
     }      }
  }   }
  my $todo =    my $todo = 
     &Apache::lonnet::escape(&encode_queue_key($symb,$udom,$uname));      &escape(&encode_queue_key($symb,$udom,$uname));
  if ($cannot_grade) {   if ($cannot_grade) {
     $result.='<tr><td>&nbsp;</td><td>'.$fullname->{$student}.      $result.=&Apache::loncommon::start_data_table_row().
    '<td>&nbsp;</td><td>'.$classlist->{$student}[&Apache::loncoursedata::CL_FULLNAME()].
  '</td><td>';   '</td><td>';
  } else {   } else {
     my $seclist;      my $seclist;
Line 1291  sub select_user { Line 1987  sub select_user {
  $seclist.='<input type="hidden" name="chosensections"    $seclist.='<input type="hidden" name="chosensections" 
                                value="'.$sec.'" />';                                 value="'.$sec.'" />';
     }      }
       $result.=&Apache::loncommon::start_data_table_row();
     $result.=<<RESULT;      $result.=<<RESULT;
 <tr>  
   <td>    <td>
     <form method="POST">      <form style="display: inline" method="post">
       <input type="hidden" name="gradingkey" value="$todo" />        <input type="hidden" name="gradingkey" value="$todo" />
       <input type="hidden" name="queue" value="$queue" />        <input type="hidden" name="queue" value="$queue" />
       <input type="hidden" name="webgrade" value="no" />        <input type="hidden" name="webgrade" value="no" />
Line 1302  sub select_user { Line 1998  sub select_user {
       <input type="submit" name="submit" value="Regrade" />        <input type="submit" name="submit" value="Regrade" />
       $seclist        $seclist
     </form>      </form>
   <td>$fullname->{$student}</td>    <td>$classlist->{$student}[&Apache::loncoursedata::CL_FULLNAME()] <tt>($student)</tt></td>
   <td>    <td>
 RESULT  RESULT
         }          }
Line 1322  RESULT Line 2018  RESULT
  if ($status{'version'}) {   if ($status{'version'}) {
     $result .= ' '.&mt('Version').' '.$status{'version'};      $result .= ' '.&mt('Version').' '.$status{'version'};
  }   }
    if ($status{'grader'}) {
       $result .= ' '.&mt('(Graded by [_1])',$status{'grader'}).' ';
    }
  $result.= '</td><td>';   $result.= '</td><td>';
  if ($status{'reviewqueue'} eq 'enqueued') {   if ($status{'reviewqueue'} eq 'enqueued') {
     $result .= &mt('Awaiting Review');      $result .= &mt('Awaiting Review');
Line 1338  RESULT Line 2037  RESULT
  } else {   } else {
     $result.="&nbsp;";      $result.="&nbsp;";
  }   }
  $result.= '</td></tr>';   $result.= '</td>'.&Apache::loncommon::end_data_table_row();
     }      }
     $result.='</table>';      $result.=&Apache::loncommon::end_data_table();
     return $result;      return $result;
 }  }
   
 sub get_student_status {  sub get_student_status {
     my ($symb,$cid,$udom,$uname)=@_;      my ($symb,$cdom,$cnum,$udom,$uname,$type)=@_;
     my %record = &Apache::lonnet::restore($symb,$env{'request.course.id'},  
   $udom,$uname);  
     my %status;      my %status;
     $status{'status'}=$record{'resource.status'};  
     $status{'version'}=$record{'resource.version'};      if ($type eq 'Task') {
     $status{'grader'}=$record{'resource.grader'};   my %record = &Apache::lonnet::restore($symb,$env{'request.course.id'},
     $status{'reviewqueue'}=&check_queue_for_key($cid,'reviewqueue',    $udom,$uname);
        &encode_queue_key($symb,$udom,$uname));   $status{'status'}=$record{'resource.0.status'};
     $status{'gradingqueue'}=&check_queue_for_key($cid,'gradingqueue',   $status{'version'}=$record{'resource.0.version'};
        &encode_queue_key($symb,$udom,$uname));   $status{'grader'}=$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;      return %status;
 }  }
   
Line 1379  sub end_ClosingParagraph { Line 2084  sub end_ClosingParagraph {
     return $result;      return $result;
 }  }
   
   sub get_dim_id {
       if (@Apache::bridgetask::dimension) {
    return $Apache::bridgetask::dimension[-1];
       } else {
    return $top;
       }
   }
   
 sub get_id {  sub get_id {
     my ($parstack,$safeeval)=@_;      my ($parstack,$safeeval)=@_;
     my $id=&Apache::lonxml::get_param('id',$parstack,$safeeval);      my $id=&Apache::lonxml::get_param('id',$parstack,$safeeval);
Line 1386  sub get_id { Line 2099  sub get_id {
     return $id;      return $id;
 }  }
   
 my %dimension;  sub start_Setup {
 sub start_Dimension {  
     my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;      my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
     undef(%dimension);      #undef(%dimension);
     my $dim_id=&get_id($parstack,$safeeval);      my $dim = &get_id($parstack,$safeeval);
     $Apache::bridgetask::dimension=$dim_id;      push(@Apache::bridgetask::dimension,$dim);
     push(@Apache::bridgetask::dimensionlist,$dim_id);  
     undef(@Apache::bridgetask::instance);  
     $Apache::bridgetask::dimensionmandatory{$dim_id}=  
  &Apache::lonxml::get_param('Mandatory',$parstack,$safeeval);  
     &Apache::lonxml::startredirection();      &Apache::lonxml::startredirection();
     return &internal_location($dim_id);      return;# &internal_location($dim);
 }  }
   
 sub get_instance {  {
     &Apache::response::pushrandomnumber();      my @allowed;
     my @order=&Math::Random::random_permutation(@{$dimension{'instances'}});      sub enable_dimension_parsing {
     my $num=@order;   my ($id) = @_;
     my $version=&get_version();   push(@allowed,$id);
     my $which=($version-1)%$num;      }
     return $order[$which];      sub disable_dimension_parsing {
    pop(@allowed);
       }
       sub skip_dimension_parsing {
    my ($check) = @_;
    if (!@allowed) { return 0;}
    # if unspecified allow any id
    if ($allowed[-1] eq undef) { return 0;}
   
    return ($check ne $allowed[-1]);
       }
 }  }
   
 {  sub start_Question { return &start_Dimension(@_); }
     my $last_link;  sub start_Dimension {
     sub end_Dimension {      my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
  my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;      my $dim = &get_id($parstack,$safeeval);
  my $result=&Apache::lonxml::endredirection();      my $previous_dim;
  my $dim=&get_id($parstack,$safeeval);      if (@Apache::bridgetask::dimension) {
  my $instance=&get_instance();   $previous_dim = $Apache::bridgetask::dimension[-1];
    push(@{$Apache::bridgetask::dimension{$previous_dim}{'contains'}},
        $dim);
    if(&skip_dimension_parsing($dim)) {
       $dimension{$previous_dim}{'criteria.'.$dim} =
    $token->[4]
    .&Apache::lonxml::get_all_text('/'.$tagstack->[-1],$parser,
         $style)
    .'</'.$tagstack->[-1].'>';
    }
    $dimension{$previous_dim}{'criteria.'.$dim.'.type'}='dimension';
    $dimension{$previous_dim}{'criteria.'.$dim.'.mandatory'}=
       &Apache::lonxml::get_param('Mandatory',$parstack,$safeeval);
    push(@{$dimension{$previous_dim}{'criterias'}},$dim);
    $dimension{$dim}{'nested'}=$previous_dim;
    $dimension{$dim}{'depth'} = 1 + $dimension{$previous_dim}{'depth'};
   
    &Apache::lonxml::debug("adding $dim as criteria to $previous_dim");
       } else {
    $dimension{$top}{'depth'}=0;
    $dimension{$top}{'criteria.'.$dim.'.type'}='dimension';
    $dimension{$top}{'criteria.'.$dim.'.mandatory'}=
       &Apache::lonxml::get_param('Mandatory',$parstack,$safeeval);
    push(@{$dimension{$top}{'criterias'}},$dim);
    $dimension{$dim}{'nested'}=$top;
       }
       push(@Apache::bridgetask::dimension,$dim);
       &Apache::lonxml::startredirection();
       if (!&skip_dimension_parsing($dim)) {
    &enable_dimension_parsing($dim);
       }
       return;# &internal_location($dim);
   }
   
   sub start_QuestionText {
       my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
       my $dim = &get_dim_id();
       my $text=&Apache::lonxml::get_all_text('/questiontext',$parser,$style);
       if ($target eq 'grade' || $target eq 'web' || $target eq 'webgrade') {
    $dimension{$dim}{'questiontext'}=$text;
       }
       return '';
   }
   
   sub end_QuestionText {
       return '';
   }
   
   sub get_instance {
       my ($dim)=@_;
       my $rand_alg=&Apache::lonnet::get_rand_alg();
       if (!$rand_alg || $rand_alg eq '32bit' || $rand_alg eq '64bit' ||
    $rand_alg eq '64bit2' || $rand_alg eq '64bit3' ||
    $rand_alg eq '64bit4' ) {
    &Apache::response::pushrandomnumber();
    my @order=&Math::Random::random_permutation(@{$dimension{$dim}{'instances'}});
    my $num=@order;
  my $version=&get_version();   my $version=&get_version();
  if ($target eq 'web') {   my $which=($version-1)%$num;
     @Apache::scripttag::parser_env = @_;   return $order[$which];
     $result.=&Apache::scripttag::xmlparse($dimension{'intro'});      } else {
     @Apache::scripttag::parser_env = @_;   my ($version,$previous) = &get_version();
     $result.=&Apache::scripttag::xmlparse($dimension{$instance.'.text'});   my $instance = 
     if ($Apache::lonhomework::history{"resource.$version.status"} eq 'pass' ||      $Apache::lonhomework::history{"resource.$version.0.$dim.instance"};
  $Apache::lonhomework::history{"resource.$version.status"} eq 'fail') {   if (defined($instance)) { return $instance; }
   
  my $dim_status=$Apache::lonhomework::history{"resource.$version.$dim.status"};   &Apache::response::pushrandomnumber();
    if (ref($dimension{$dim}{'instances'}) eq 'ARRAY') {
       my @instances = @{$dimension{$dim}{'instances'}};
       # remove disabled instances
       for (my $i=0; $i < $#instances; $i++) {
    if ($dimension{$dim}{$instances[$i].'.disabled'}) {
       splice(@instances,$i,1);
       $i--;
    }
       }
       @instances = &Math::Random::random_permutation(@instances);
       $instance  = $instances[($version-1)%scalar(@instances)];
       if ($version =~ /^\d$/) {
    $Apache::lonhomework::results{"resource.$version.0.$dim.instance"} = 
       $instance;
    $Apache::lonhomework::results{'INTERNAL_store'} = 1; 
       }
    }
    &Apache::response::poprandomnumber();
    return $instance;
       }
   }
   
   sub get_criteria {
       my ($what,$version,$dim,$id) = @_;
       my $type = $dimension{$dim}{'criteria.'.$id.'.type'};
       my $prefix = ($type eq 'criteria' && $dim ne $top) ? "$dim.$id"
                                                  : "$id";
       my $entry = "resource.$version.0.$prefix.$what";
       if (exists($Apache::lonhomework::results{$entry})) {
    return $Apache::lonhomework::results{$entry};
       }
       return $Apache::lonhomework::history{$entry};
   }
   
   sub link {
       my ($id) = @_;
       $id =~ s/\./_/g;
       return 'LC_GRADING_criteria_'.$id;
   }
   sub end_Question { return &end_Dimension(@_); }
   sub end_Dimension {
       my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
       my $result=&Apache::lonxml::endredirection();
       my $dim=&get_id($parstack,$safeeval);
       if (&skip_dimension_parsing($dim)) {
    pop(@Apache::bridgetask::dimension);
    return;
       }
       my $instance=&get_instance($dim);
       my $version=&get_version();
       if ($target eq 'web') {
    $result .= &nested_parse(\$dimension{$dim}{'intro'},[@_]);
    my @instances = $instance;
    if (&Apache::response::showallfoils()) {
       @instances = @{$dimension{$dim}{'instances'}};
    }
    my $shown_question_text;
    foreach my $instance (@instances) {
       $result .= &nested_parse(\$dimension{$dim}{$instance.'.text'},
        [@_]);
       $result .= &nested_parse(\$dimension{$dim}{'questiontext'},
        [@_],{'set_dim_id' => undef});
       my $task_status = 
    $Apache::lonhomework::history{"resource.$version.0.status"};
       if ($task_status ne 'pass' && $task_status ne 'fail') {
   
    foreach my $id (@{$dimension{$dim}{$instance.'.criterias'}},
    @{$dimension{$dim}{'criterias'}}) {
       my $type = $dimension{$dim}{'criteria.'.$id.'.type'};
       &Apache::lonxml::debug("$id is $type");
       if ($type eq 'dimension') {
    $result.=
       &nested_parse(\$dimension{$dim}{'criteria.'.$id},
     [@_],{'set_dim_id' => $id});
       }
    }
       } else {
    my $dim_status=$Apache::lonhomework::history{"resource.$version.0.$dim.status"};
  my $mandatory='Mandatory';   my $mandatory='Mandatory';
  if ($Apache::bridgetask::dimensionmandatory{$dim} eq 'N') {   if (&Apache::lonxml::get_param('Mandatory',$parstack,$safeeval) eq 'N') {
     $mandatory='Optional';      $mandatory='Optional';
  }   }
  my $dim_info="<div class='$dim_status'>\n";   my $dim_info=
       "\n<div class='LC_$dim_status LC_question_grade'>\n\t";
    my $ucquestion = 
       my $question = 
       ('sub' x $dimension{$dim}{'depth'}).'question';
    $ucquestion =~ s/^(.)/uc($1)/e;
  if ($dim_status eq 'pass') {   if ($dim_status eq 'pass') {
     $dim_info.='<h3>Question : you passed this '.$mandatory.' question</h3>';      $dim_info.='<h3>'.$ucquestion.' : you passed this '.$mandatory.' '.$question.'</h3>';
  }   }
  if ($dim_status eq 'fail') {   if ($dim_status eq 'fail') {
     $dim_info.='<h3>Question : you did not pass this '.$mandatory.' question</h3>';      $dim_info.='<h3>'.$ucquestion.' : you did not pass this '.$mandatory.' '.$question.'</h3>';
  }   }
  my $man_count=0;   my %counts = &get_counts($dim,$instance,$parstack,
  my $man_passed=0;   $safeeval);
  my $opt_count=0;  
  my $opt_passed=0;   $dim_info.="\n\t<p>"
  foreach my $id (@{$dimension{$instance.'.criterias'}}) {      .&question_status_message(\%counts,
     if ($dimension{$instance.'.criteria.'.$id.'.mandatory'}         $dimension{$dim}{'depth'})
  eq 'N') {      ."</p>\n</div>\n";
  $opt_count++;  
  if ($Apache::lonhomework::history{"resource.$version.$dim.$instance.$id.status"} eq 'pass') {   foreach my $id (@{$dimension{$dim}{$instance.'.criterias'}},
     $opt_passed++;   @{$dimension{$dim}{'criterias'}}) {
  }      my $type = $dimension{$dim}{'criteria.'.$id.'.type'};
     } else {      if ($type eq 'dimension') {
  $man_count++;   if (defined($dimension{$id}{'result'})) {
  if ($Apache::lonhomework::history{"resource.$version.$dim.$instance.$id.status"} eq 'pass') {      $result.=$dimension{$id}{'result'};
     $man_passed++;      next;
    } else {
       $dim_info .=
    &nested_parse(\$dimension{$dim}{'criteria.'.$id},
         [@_],{'set_dim_id' => $id});
  }   }
     }  
  }  
  if ($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.$version.$dim.$instance.$id.status"};  
     my $comment=$Apache::lonhomework::history{"resource.$version.$dim.$instance.$id.comment"};  
     my $mandatory=($dimension{$instance.'.criteria.'.$id.'.mandatory'} ne 'N');  
     if ($mandatory) {  
  $mandatory='Mandatory';  
     } else {      } else {
  $mandatory='Optional';   my $criteria =
       &nested_parse(\$dimension{$dim}{'criteria.'.$id},
     [@_]);
    $dim_info .= &layout_web_Criteria($dim,$id,$criteria);
     }      }
     if ($status eq 'fail') {  
     } elsif ($status eq 'pass') {  
     } else {  
  &Apache::lonxml::error("Student viewing a graded bridgetask was shown a status of $status");  
     }  
     my $status_display=$status;  
     $status_display=~s/^([a-z])/uc($1)/e;  
     @Apache::scripttag::parser_env = @_;  
     $result.='<div class="'.$status.'"><h4>'.$mandatory.  
  ' Criteria</h4><p>';  
     @Apache::scripttag::parser_env = @_;  
     $result.=&Apache::scripttag::xmlparse($dimension{$instance.'.criteria.'.$id});  
     $result.='</p><p class="grade">'.$status_display.'</p>';  
     if ($Apache::lonhomework::history{"resource.$version.$dim.$instance.$id.comment"}) {  
  $result.='<p class="comment">'.$Apache::lonhomework::history{"resource.$version.$dim.$instance.$id.comment"}.'</p>';  
     }  
     $result.='</div>';  
  }   }
    # puts the results at the end of the dimension
    $result .= $dim_info;
   
    # puts the results at the beginning of the dimension
    # my $internal_location=&internal_location($dim);
    # $result=~s/\Q$internal_location\E/$dim_info/;
       }
    }
    if ($result !~ /^\s*$/s) {
       # FIXME? this maybe unneccssary in the future, (CSE101 BT
       # from Fall 2006 geenrate a div that attempts to hide some
       # of the output in an odd way, this is a workaround so
       # those old ones will continue to work.  # It puts the
       # LC_question div to come after any starting closie div
       # that the dimension produces
       if ($result =~ m{^\s*</div>}) {
    $result =~ s{^(\s*</div>)}
               {$1\n<div id="$dim" class="LC_question">};
       } else {
    $result = "\n".'<div id="'.$dim.'" class="LC_question">'.
       "\n".$result;
     }      }
  } elsif ($target eq 'webgrade') {      $result .= "\n</div>\n";
     # in case of any side effects that we need   }
     @Apache::scripttag::parser_env = @_;      } elsif ($target eq 'webgrade') {
     &Apache::scripttag::xmlparse($dimension{'intro'});   # in case of any side effects that we need
     @Apache::scripttag::parser_env = @_;   &nested_parse(\$dimension{$dim}{'intro'},[@_]);
     &Apache::scripttag::xmlparse($dimension{$instance.'.text'});   &nested_parse(\$dimension{$dim}{$instance.'.text'},[@_]);
     foreach my $id (@{$dimension{$instance.'.criterias'}}) {   $result.=
  my $link='criteria_'.$instance.'_'.$id;      &nested_parse(\$dimension{$dim}{'questiontext'},[@_],
  my $status=$Apache::lonhomework::history{"resource.$version.$dim.$instance.$id.status"};    {'set_dim_id'          => undef,
  $result.='<tr><td width="100%" valign="top">'.     'delayed_dim_results' => 1});
     '<a name="'.$link.'" />'.   foreach my $id (@{$dimension{$dim}{$instance.'.criterias'}},
     '<a name="next_'.$last_link.'" />'.   @{$dimension{$dim}{'criterias'}} ) {
     '<br /><textarea enabled="false" style="width:100%" rows="8" width="25" wrap="hard">';      my $type = $dimension{$dim}{'criteria.'.$id.'.type'};
  @Apache::scripttag::parser_env = @_;      if ($type eq 'dimension') {
  $result.=&Apache::scripttag::xmlparse($dimension{$instance.'.criteria.'.$id});   # dimensional 'criteria' don't get assigned grades
  $result.='</textarea>'.   $result.=
     #$dimension{$instance.'.criteria.'.$id}.      &nested_parse(\$dimension{$dim}{'criteria.'.$id},
     '</td>'.    [@_],{'set_dim_id' => $id});
     '<td><nobr>Additional Comment for Student</nobr> <br />'.   next;
     '<textarea style="width:100%" rows="8" width="25" wrap="hard" name="HWVAL_comment_'.$link.'">'.&HTML::Entities::encode($Apache::lonhomework::history{"resource.$version.$dim.$instance.$id.comment"}).'</textarea>'.      } else {
     '</td>'.   my $criteria =&nested_parse(\$dimension{$dim}{'criteria.'.$id},
     '<td>'.       [@_]);
     '<nobr><label><input type="radio" name="HWVAL_'.$link.'" value="ungraded" '.($status eq 'ungraded' || !$status ? 'checked="checked"':'').' />'.&mt('Ungraded').'</label></nobr><br />'.   $criteria = &layout_webgrade_Criteria($dim,$id,$criteria);
     '<label><input type="radio" name="HWVAL_'.$link.'" value="pass" '.($status eq 'pass' ? 'checked="checked"':'').' />'.&mt('Pass').'</label><br />'.   my $internal_location=&internal_location($id);
     '<label><input type="radio" name="HWVAL_'.$link.'" value="fail" '.($status eq 'fail' ? 'checked="checked"':'').' />'.&mt('Fail').'</label><br />'.   if ($result =~ m/\Q$internal_location\E/) {
     '<label><input type="radio" name="HWVAL_'.$link.'" value="review" '.($status eq 'review' ? 'checked="checked"':'').' />'.&mt('Review').'</label><br />'.      $result =~ s/\Q$internal_location\E/$criteria/;
     '</td>'.  
     '<td>'.  
     '<a href="#'.$last_link.'">Prev</a><br />'.  
     '<a href="#next_'.$link.'">Next</a><br /><br /><br />'.  
     '</td></tr>';  
  $last_link=$link;  
     }  
  } elsif ($target eq 'grade' && $env{'form.webgrade'}) {  
     my $optional_passed=0;  
     my $mandatory_failed=0;  
     my $ungraded=0;  
     my $review=0;  
     foreach my $id (@{$dimension{$instance.'.criterias'}}) {  
  my $status=$Apache::lonhomework::results{"resource.$version.$dim.$instance.$id.status"}=$env{'form.HWVAL_criteria_'.$instance.'_'.$id};  
  $Apache::lonhomework::results{"resource.$version.$dim.$instance.$id.comment"}=$env{'form.HWVAL_comment_criteria_'.$instance.'_'.$id};  
  my $mandatory=($dimension{$instance.'.criteria.'.$id.'.mandatory'} ne 'N');  
  if ($status eq 'pass') {  
     if (!$mandatory) { $optional_passed++; }  
  } elsif ($status eq 'fail') {  
     if ($mandatory) { $mandatory_failed++; }  
  } elsif ($status eq 'review') {  
     $review++;  
  } elsif ($status eq 'ungraded') {  
     $ungraded++;  
  } else {   } else {
     $ungraded++;      $result.=$criteria ;
  }   }
     }      }
     if ($optional_passed < $dimension{$instance.'.optionalrequired'}) {   }
  $mandatory_failed++;   if (&nest()) {
       &Apache::lonxml::debug(" for $dim stashing results into ".$dimension{$dim}{'nested'});
       $dimension{$dimension{$dim}{'nested'}}{'result'}.=$result;
       undef($result);
    }
       } elsif ($target eq 'grade' && $env{'form.webgrade'}) {
    my $optional_passed=0;
    my $mandatory_failed=0;
    my $ungraded=0;
    my $review=0;
   
    $result .= &nested_parse(\$dimension{$dim}{'intro'},[@_]);
    $result .= &nested_parse(\$dimension{$dim}{$instance.'.text'},
    [@_]);
    $result .= &nested_parse(\$dimension{$dim}{'questiontext'},
    [@_],{'set_dim_id' => undef});
   
    foreach my $id (@{$dimension{$dim}{$instance.'.criterias'}},
    @{$dimension{$dim}{'criterias'}}) {
       my $link=&link($id);
       
       my $type = $dimension{$dim}{'criteria.'.$id.'.type'};
       if ($type eq 'criteria') {
    # dimensional 'criteria' don't get assigned grades
    $Apache::lonhomework::results{"resource.$version.0.$dim.$id.status"}=$env{'form.HWVAL_'.$link};
    $Apache::lonhomework::results{"resource.$version.0.$dim.$id.comment"}=$env{'form.HWVAL_comment_'.$link};
       } else {
    $result .=
       &nested_parse(\$dimension{$dim}{'criteria.'.$id},
     [@_],{'set_dim_id' => $id});
     }      }
     &Apache::lonxml::debug("all instance ".join(':',@{$dimension{$instance.'.criterias'}})." results -> m_f $mandatory_failed o_p $optional_passed u $ungraded r $review");      my $status= &get_criteria('status',$version,$dim,$id);
     if ($review) {      
  $Apache::lonhomework::results{"resource.$version.$dim.status"}=      my $mandatory=($dimension{$dim}{'criteria.'.$id.'.mandatory'} ne 'N');
     'review';      if ($status eq 'pass') {
     } elsif ($ungraded) {   if (!$mandatory) { $optional_passed++; }
  $Apache::lonhomework::results{"resource.$version.$dim.status"}=      } elsif ($status eq 'fail') {
     'ungraded';   if ($mandatory) { $mandatory_failed++; }
     } elsif ($mandatory_failed) {      } elsif ($status eq 'review') {
  $Apache::lonhomework::results{"resource.$version.$dim.status"}=   $review++;
     'fail';      } elsif ($status eq 'ungraded') {
    $ungraded++;
     } else {      } else {
  $Apache::lonhomework::results{"resource.$version.$dim.status"}=   $ungraded++;
     'pass';      }
    }
   
    my $opt_req=$dimension{$dim}{$instance.'.optionalrequired'};
    if ($opt_req !~ /\S/) {
       $opt_req=
    &Apache::lonxml::get_param('OptionalRequired',
      $parstack,$safeeval);
       if ($opt_req !~ /\S/) { $opt_req = 0; }
    }
    if ($optional_passed < $opt_req) {
       $mandatory_failed++;
    }
    &Apache::lonxml::debug("all instance ".join(':',@{$dimension{$dim}{$instance.'.criterias'}})." results -> m_f $mandatory_failed o_p $optional_passed u $ungraded r $review");
    if ($review) {
       $Apache::lonhomework::results{"resource.$version.0.$dim.status"}=
    'review';
    } elsif ($ungraded) {
       $Apache::lonhomework::results{"resource.$version.0.$dim.status"}=
    'ungraded';
    } elsif ($mandatory_failed) {
       $Apache::lonhomework::results{"resource.$version.0.$dim.status"}=
    'fail';
    } else {
       $Apache::lonhomework::results{"resource.$version.0.$dim.status"}=
    'pass';
    }
       } else {
    # any other targets no output
    undef($result);
       }
       &disable_dimension_parsing();
       pop(@Apache::bridgetask::dimension);
       return $result;
   }
   
   sub question_status_message {
       my ($counts,$depth) = @_;
       my %req  = ('man' => 'mandatory',
    'opt' => 'optional',);
       my %type = ('cri' => 'criteria',
    'dim' => ('sub'x($depth+1)).'questions',);
       my @sections;
       foreach my $req ('man','opt') {
    foreach my $type ('cri','dim') {
       if ($counts->{$req.'_'.$type}) {
    push(@sections,
        $counts->{$req.'_'.$type.'_passed'}.' of the '.
        $counts->{$req.'_'.$type}.' '.
        $req{$req}.' '.$type{$type});
     }      }
    }
       }
   
       my $status = 'You passed ';
       if (@sections == -1) {
       } elsif (@sections == 1) {
    $status .= $sections[0];
       } elsif (@sections == 2) {
    $status .= $sections[0].' and '.$sections[1];
       } else {
    my $last = pop(@sections);
    $status .= join(', ',@sections).', and '.$last;
       }
       $status .= '.';
       if ($counts->{'opt'}) {
    $status .= ' You were required to pass '.$counts->{'opt_req'}.
       ' optional ';
    if ($counts->{'opt_dim'} + $counts->{'man_dim'} < 1) {
       $status .=
    ($counts->{'opt_req'} == 1?'criterion':'criteria');
  } else {   } else {
     # any other targets no output      $status .=
     undef($result);   'component'.($counts->{'opt_req'} == 1?'':'s');
  }   }
  return $result;   $status .= '.';
     }      }
       return $status;
 }  }
   
 sub start_IntroParagraph {  sub get_counts {
       my ($dim,$instance,$parstack,$safeeval) = @_;
       my %counts;
       my @possible = ('man_cri','man_dim',
       'opt_cri','opt_dim',
       'man_cri_passed', 'man_dim_passed',
       'opt_cri_passed', 'opt_dim_passed',
       'man_passed',
       'opt_passed',
       'opt_req');
       foreach my $which (@possible) { $counts{$which} = 0; }
   
       my $version = &get_version();
   
       foreach my $id ( @{$dimension{$dim}{$instance.'.criterias'}},
        @{$dimension{$dim}{'criterias'}} ) {
    my $status = &get_criteria('status',$version,$dim,$id);
    my $which;
    if ($dimension{$dim}{'criteria.'.$id.'.mandatory'} 
       eq 'N') {
       $which = 'opt';
    } else {
       $which = 'man';
    }
    $counts{$which}++;
    if ($status eq 'pass') { $counts{$which.'_passed'}++; }
    if ($dimension{$dim}{'criteria.'.$id.'.type'}
       eq 'dimension') {
       $which .= '_dim';
    } else {
       $which .= '_cri';
    }
    $counts{$which}++;
    if ($status eq 'pass') { $counts{$which.'_passed'}++; }
   
   
       }
       if ($counts{'man_dim_passed'} eq $counts{'man_dim'}) {
    $counts{'man_dim_passed'}='all';
       }
       if ($counts{'man_cri_passed'} eq $counts{'man_cri'}) {
    $counts{'man_cri_passed'}='all';
       }
       
       $counts{'opt_req'}=$dimension{$dim}{$instance.'.optionalrequired'};
       if ($counts{'opt_req'} !~ /\S/) {
    $counts{'opt_req'}= &Apache::lonxml::get_param('OptionalRequired',
          $parstack,$safeeval);
    if ($counts{'opt_req'} !~ /\S/) { $counts{'opt_req'} = 0; }
       }
       return %counts;
   }
   
   sub end_Setup {
     my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;      my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
       my $result=&Apache::lonxml::endredirection();
       my $dim=&get_id($parstack,$safeeval);
       my $instance=&get_instance($dim);
       my $version=&get_version();
       if ($target eq 'web') {
    @Apache::scripttag::parser_env = @_;
    $result.=&Apache::scripttag::xmlparse($dimension{$dim}{'intro'});
    my @instances = $instance;
    if (&Apache::response::showallfoils()) {
       @instances = @{$dimension{$dim}{'instances'}};
    }
    foreach my $instance (@instances) {
       @Apache::scripttag::parser_env = @_;
       $result.=&Apache::scripttag::xmlparse($dimension{$dim}{$instance.'.text'});
       @Apache::scripttag::parser_env = @_;
       $result.=&Apache::scripttag::xmlparse($dimension{$dim}{'questiontext'});
    }
       } elsif ($target eq 'webgrade' 
        || $target eq 'grade' && $env{'form.webgrade'}) {
    # in case of any side effects that we need
    @Apache::scripttag::parser_env = @_;
    &Apache::scripttag::xmlparse($dimension{$dim}{'intro'});
    @Apache::scripttag::parser_env = @_;
    &Apache::scripttag::xmlparse($dimension{$dim}{$instance.'.text'});
    @Apache::scripttag::parser_env = @_;
    &Apache::scripttag::xmlparse($dimension{$dim}{'questiontext'});
       } else {
    # any other targets no output
    undef($result);
       }
       pop(@Apache::bridgetask::dimension);
       return $result;
   }
   
   sub grading_history {
       my ($version,$dim,$id) = @_;
       if (!&Apache::lonnet::allowed('mgq',$env{'request.course.id'})) {
    return '';
       }
       my ($result,$grader);
       my $scope="resource.$version.0.";
       $scope .= ($dim ne $top) ? "$dim.$id"
                        : "$id";
       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) {
       $result.= "\n\t\t<li>\n\t\t\t$grader :\n\t\t\t $entry \n\t\t</li>";
    }
       }
       if ($result) {
    return "\n\t".'<ul class="LC_GRADING_pastgrading">'.$result.
       "\n\t".'</ul>'."\n";
       }
       return '';
   }
   
   sub start_IntroParagraph {
       my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
     my $result;      my $result;
     if ($target eq 'web' || $target eq 'webgrade') {      my $dim = &get_dim_id();
  if ($tagstack->[-2] eq 'Dimension') {      if ($target eq 'grade' || $target eq 'web' || $target eq 'webgrade') {
     $dimension{'intro'}=&Apache::lonxml::get_all_text('/introparagraph',$parser);   if ($tagstack->[-2] eq 'Dimension' || $tagstack->[-2] eq 'Question' ) {
       $dimension{$dim}{'intro'}=
  } elsif ($target eq 'webgrade') {   &Apache::lonxml::get_all_text('/introparagraph',
     &Apache::lonxml::get_all_text('/introparagraph',$parser);        $parser,$style);
           } elsif ($tagstack->[-2] eq 'Task' && $target eq 'webgrade') {
       &Apache::lonxml::startredirection();
  }   }
   
     }      }
Line 1586  sub start_IntroParagraph { Line 2640  sub start_IntroParagraph {
 }  }
   
 sub end_IntroParagraph {  sub end_IntroParagraph {
       my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
       if ($tagstack->[-2] eq 'Task' && $target eq 'webgrade') {
    my $result = &Apache::lonxml::endredirection();
       }
 }  }
   
 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 $dim = &get_dim_id();
     push(@{$dimension{'instances'}},$id);      my $id  = &get_id($parstack,$safeeval);
     push(@Apache::bridgetask::instance,$id);      push(@{$dimension{$dim}{'instances'}},$id);
       push(@{$Apache::bridgetask::instance{$dim}},$id);
     push(@Apache::bridgetask::instancelist,$id);      push(@Apache::bridgetask::instancelist,$id);
     $dimension{$id.'.optionalrequired'}=      $dimension{$dim}{$id.'.optionalrequired'}=
  &Apache::lonxml::get_param('OptionalRequired',$parstack,$safeeval);   &Apache::lonxml::get_param('OptionalRequired',$parstack,$safeeval);
       my $disabled = &Apache::lonxml::get_param('Disabled',$parstack,$safeeval);
       if (lc($disabled) eq 'yes') {
    $dimension{$dim}{$id.'.disabled'}='1';
       }
     return '';      return '';
 }  }
   
Line 1603  sub end_Instance { Line 2666  sub end_Instance {
 }  }
   
 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 $dim = &get_dim_id();
     my $text=&Apache::lonxml::get_all_text('/instancetext',$parser);      my $instance_id=$Apache::bridgetask::instance{$dim}[-1];
     if ($target eq 'web' || $target eq 'webgrade') {      my $text=&Apache::lonxml::get_all_text('/instancetext',$parser,$style);
  $dimension{$instance_id.'.text'}=$text;      if ($target eq 'grade' || $target eq 'web' || $target eq 'webgrade') {
    $dimension{$dim}{$instance_id.'.text'}=$text;
     }      }
     return '';      return '';
 }  }
Line 1617  sub end_InstanceText { Line 2681  sub end_InstanceText {
 }  }
   
 sub start_Criteria {  sub start_Criteria {
     my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;      my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
     my $instance_id=$Apache::bridgetask::instance[-1];      my $criteria=&Apache::lonxml::get_all_text('/criteria',$parser,$style);
     my $criteria=&Apache::lonxml::get_all_text('/criteria',$parser);      my $result = '';
     if ($target eq 'web' || $target eq 'webgrade' || $target eq 'grade') {      if ($target eq 'web' || $target eq 'webgrade' || $target eq 'grade') {
    my $dim = &get_dim_id();
  my $id=&get_id($parstack,$safeeval);   my $id=&get_id($parstack,$safeeval);
  $dimension{$instance_id.'.criteria.'.$id}=$criteria;   if ($target eq 'web' || $target eq 'webgrade') {
  $dimension{$instance_id.'.criteria.'.$id.'.mandatory'}=      if ($target eq 'webgrade') {
     &Apache::lonxml::get_param('Mandatory',$parstack,$safeeval);   &Apache::lonxml::debug(" for $dim $id stashing results into $dim ");
  push(@{$dimension{$instance_id.'.criterias'}},$id);   $dimension{$dim}{'result'} .= &internal_location($id);
       } else {
    &Apache::lonxml::debug(" not stashing $dim $id");
    #$result .= &internal_location($id);
       }
    }
    &Apache::lonxml::debug("Criteria $id with $dim");
    if (&Apache::londefdef::is_inside_of($tagstack,'Instance')) {
       my $instance_id=$Apache::bridgetask::instance{$dim}[-1];
       $dimension{$dim}{"criteria.$instance_id.$id"}=$criteria;
       $dimension{$dim}{"criteria.$instance_id.$id.type"}='criteria';
       $dimension{$dim}{"criteria.$instance_id.$id.mandatory"}=
    &Apache::lonxml::get_param('Mandatory',$parstack,$safeeval);
       push(@{$dimension{$dim}{$instance_id.'.criterias'}},"$instance_id.$id");
    } else {
       $dimension{$dim}{'criteria.'.$id}=$criteria;
       $dimension{$dim}{'criteria.'.$id.'.type'}='criteria';
       $dimension{$dim}{'criteria.'.$id.'.mandatory'}=
    &Apache::lonxml::get_param('Mandatory',$parstack,$safeeval);
       push(@{$dimension{$dim}{'criterias'}},$id);
    }
     }      }
     return '';      return $result;
   }
   
   sub layout_web_Criteria {
       my ($dim,$id,$criteria) = @_;
   
       my $version = &get_version();
       my $status= &get_criteria('status', $version,$dim,$id);
       my $comment=&get_criteria('comment',$version,$dim,$id);
       my $mandatory=($dimension{$dim}{'criteria.'.$id.'.mandatory'} ne 'N');
       if ($mandatory) {
    $mandatory='Mandatory';
       } else {
    $mandatory='Optional';
       }
       my $status_display=$status;
       $status_display=~s/^([a-z])/uc($1)/e;
       my $criteria_info.=
    '<div class="LC_'.$status.' LC_criteria">'."\n\t".'<h4>'
    .$mandatory.' Criteria</h4>'."\n\t".'<p class="LC_criteria_text">'
    ."\n";
       $criteria =~ s/^\s*//s;
       $criteria =~ s/\s*$//s;
       $criteria_info.= $criteria;
       $criteria_info.="\n\t".'</p>'.
    "\n\t".'<p class="LC_grade">'.$status_display.'</p>';
       if ($comment =~ /\w/) {
    $criteria_info.=
       "\n\t".
       '<p class="LC_comment">'.&mt('Comment: [_1]',$comment).'</p>';
       }
       $criteria_info.="\n".'</div>'."\n";
       
       return $criteria_info;
   }
   
   sub layout_webgrade_Criteria {
       my ($dim,$id,$criteria) = @_;
       my $link=&link($id);
       my $version = &get_version();
       my $status  = &get_criteria('status',$version,$dim,$id);
       my %lt = ( 'ungraded' => 'Ungraded',
          'fail'     => 'Fail',
          'pass'     => 'Pass',
          'review'   => 'Review',
          'comment'  => 'Additional Comment for Student',
          );
       %lt = &Apache::lonlocal::texthash(%lt);
       my $comment = &get_criteria('comment',$version,$dim,$id);
       $comment = &HTML::Entities::encode($comment,'<>"&');
       my %checked;
       foreach my $which ('ungraded','fail','pass','review') {
    if ($status eq $which) { $checked{$which} = 'checked="checked"'; }
       }
       if (!%checked) { $checked{'ungraded'} = 'checked="checked"'; }
       my $buttons;
       foreach my $which  ('ungraded','fail','pass','review') {
    $buttons .= <<END_BUTTON;
    <label class="LC_GRADING_$which">
    <input type="radio" name="HWVAL_$link" value="$which" $checked{$which} />
    $lt{$which}
    </label>
   END_BUTTON
       }
       $criteria =~ s/^\s*//s;
       $criteria =~ s/\s*$//s;
       my $result = <<END_CRITERIA;
   <div class="LC_GRADING_criteria">
    <div class="LC_GRADING_criteriatext">
    $criteria
    </div>
    <div class="LC_GRADING_grade">
   $buttons
    </div>
    <label class="LC_GRADING_comment">
    $lt{'comment'}
    <textarea class="LC_GRADING_comment_area" name="HWVAL_comment_$link">$comment</textarea>
    </label>
   </div>
   END_CRITERIA
       $result .= &grading_history($version,$dim,$id);
       return $result;
 }  }
   
 sub end_Criteria {  sub end_Criteria {
 }  }
   
   sub start_GraderNote {
       my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
       
       if ($target eq 'webgrade') {
    return '<div class="LC_GRADING_gradernote"><b>'.
       &mt('Note to graders:').'</b>';
       }
       my $note=&Apache::lonxml::get_all_text('/gradernote',$parser,$style); 
       return;
   }
   
   sub end_GraderNote {
       my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
   
       if ($target eq 'webgrade') {
    return '</div>';
       }
       return;
   }
   
   
   
 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::lonnet::whichuser();
     my $url=&Apache::lonnet::studentphoto($domain,$user,'jpg');      my $url=&Apache::lonnet::studentphoto($domain,$user,'jpg');
     my $name=&Apache::loncommon::plainname($user,$domain);      my $name=&Apache::loncommon::plainname($user,$domain);
           
Line 1649  sub proctor_validation_screen { Line 2837  sub proctor_validation_screen {
 <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="$env{'request.uri'}">
 <input type="hidden" name="validate" value="yes" />  <input type="hidden" name="validate" value="yes" />
 <input type="hidden" name="submitted" value="yes" />  <input type="hidden" name="submitted" value="yes" />
 <table>  <table>
Line 1664  sub proctor_validation_screen { Line 2852  sub proctor_validation_screen {
       <tr><td colspan="2">Student who should be logged in is:</td></tr>        <tr><td colspan="2">Student who should be logged in is:</td></tr>
       <tr><td>Name:</td><td>$name</td></tr>        <tr><td>Name:</td><td>$name</td></tr>
       <tr><td>Student ID:</td><td>$env{'environment.id'}</td></tr>        <tr><td>Student ID:</td><td>$env{'environment.id'}</td></tr>
       <tr><td>Usename</td><td>$user\@$domain</td></tr>        <tr><td>Usename</td><td>$user:$domain</td></tr>
       <tr><td colspan="2"><img src="$url" /></td></tr>        <tr><td colspan="2"><img src="$url" /></td></tr>
     </table>      </table>
   </tr></td>    </tr></td>
Removed from v.1.71  
changed lines
  Added in v.1.223

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