Diff for /loncom/homework/bridgetask.pm between versions 1.87 and 1.226

version 1.87, 2005/12/01 18:46:31 version 1.226, 2007/02/22 21:40:40
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','CriteriaText','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 {
Line 66  sub proctor_check_auth { Line 69  sub proctor_check_auth {
           
     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 $authenticated=0;      my $authenticated=0;
     if ( $slot->{'secret'} =~ /\S/ &&      if ( $slot->{'secret'} =~ /\S/ &&
Line 79  sub proctor_check_auth { Line 82  sub proctor_check_auth {
     $authenticated=1;      $authenticated=1;
  }   }
     }      }
     if ($authenticated && $type eq 'Task') {      if ($authenticated) {
  my $version=   &check_in($type,$user,$domain,$slot_name);
     $Apache::lonhomework::results{'resource.version'}=  
     ++$Apache::lonhomework::history{'resource.version'};  
  $Apache::lonhomework::results{"resource.$version.checkedin"}=  
     $user.'@'.$domain;  
  $Apache::lonhomework::results{"resource.$version.checkedin.slot"}=  
     $slot_name;  
  foreach my $key (keys(%Apache::lonhomework::history)) {  
     if ($key=~/^resource\.0\./) {  
  $Apache::lonhomework::results{$key}='';  
     }  
  }  
  return 1;   return 1;
     } elsif ($authenticated && $type eq 'problem') {  
  &Apache::lonxml::debug("authed #slot_name");  
  $Apache::lonhomework::results{"resource.0.checkedin"}=  
     $user.'@'.$domain;  
  $Apache::lonhomework::results{"resource.0.checkedin.slot"}=  
     $slot_name;  
     }      }
  }   }
     }      }
     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;   $previous=0;
     }      }
     if (wantarray) {      if (wantarray) {
Line 125  sub get_version { Line 191  sub get_version {
 sub add_previous_version_button {  sub add_previous_version_button {
     my ($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 139  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 148  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 160  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 $result;
 }  }
Line 202  sub add_request_another_attempt_button { Line 289  sub add_request_another_attempt_button {
     if (!$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 210  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 238  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 307  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.'?rawmode=1" 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,$style)=@_;      my ($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 ($env{'request.state'} eq 'construct') {   if ($env{'request.state'} eq 'construct') {
Line 394  sub start_Task { Line 578  sub start_Task {
     }       } 
   
     $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);
       }
   
       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' && $env{'request.state'} ne 'construct') {      if ($target eq 'web' && $env{'request.state'} ne 'construct') {
  if ($Apache::lonhomework::modifygrades) {   if ($Apache::lonhomework::queuegrade
     $body_tag_start.='<form name="gradesubmission" method="POST" action="';      || $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' && $env{'request.state'} eq 'construct') {      if ($target eq 'web' && $env{'request.state'} eq 'construct') {
  $form_tag_start.=&Apache::structuretags::problem_web_to_edit_header($env{'form.rndseed'});   $form_tag_start.=&Apache::structuretags::problem_web_to_edit_header($env{'form.rndseed'});
     }      }
     if ($target eq 'web' || ($target eq 'grade' && !$env{'form.webgrade'}) || $target eq 'answer' ||      if ($target eq 'web' 
  $target eq 'tex') {   || ($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_slot_access('0','Task');      &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,$style);      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 ($env{'request.state'} eq 'construct') {   if ($env{'request.state'} eq 'construct') {
     $result.=$form_tag_start;      $result.=$form_tag_start;
  }   }
Line 449  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>';      $msg.='<h1>'.&mt('Not open to be viewed').'</h1>';
  }   }
Line 478  DONESCREEN Line 689  DONESCREEN
  if ($status eq 'NEEDS_CHECKIN') {   if ($status eq 'NEEDS_CHECKIN') {
     if(&proctor_check_auth($slot_name,$slot,'Task')      if(&proctor_check_auth($slot_name,$slot,'Task')
        && defined($Apache::inputtags::slot_name)) {         && defined($Apache::inputtags::slot_name)) {
  my $result=&add_to_queue('gradingqueue',   my $result=
  [$Apache::inputtags::slot_name]);      &add_to_queue('gradingqueue',
     {'type' => 'Task',
      'time' => time,
      'slot' => 
          $Apache::inputtags::slot_name});
  &Apache::lonxml::debug("add_to_queue said $result");   &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 499  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 517  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 ($target eq 'webgrade') {
Line 536  DONESCREEN Line 743  DONESCREEN
     &mt('Return to resource').'</a></p>';      &mt('Return to resource').'</a></p>';
  if      ($status_code eq 'stop') {   if      ($status_code eq 'stop') {
     $result.='<b>'.&mt("Stopped grading.").'</b>'.$back;      $result.='<b>'.&mt("Stopped grading.").'</b>'.$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.")      $result.='<b>'.&mt("Failed to lock the requested record.")
  .'</b>'.$back;   .'</b>'.$back;
  } elsif ($status_code eq 'unlock') {   } elsif ($status_code eq 'unlock') {
     $result.='<b>'.&mt("Unlocked the requested record.")      $result.='<b>'.&mt("Unlocked the requested record.")
Line 547  DONESCREEN Line 765  DONESCREEN
     $result.=&show_queue($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 {
     $result.='<b>'.&mt("No user to be graded.").'</b>'.$back;      $result.='<b>'.&mt("No user to be graded.").'</b>'.$back;
  }   }
     }      }
     $webgrade='no';      $webgrade='no';
    }
    if (!$todo || $env{'form.cancel'}) {
     my $bodytext=&Apache::lonxml::get_all_text("/task",$parser,$style);      my $bodytext=&Apache::lonxml::get_all_text("/task",$parser,$style);
  }   }
  if ($target eq 'webgrade' && defined($env{'form.queue'})) {   if ($target eq 'webgrade' && defined($env{'form.queue'})) {
Line 577  DONESCREEN Line 801  DONESCREEN
     }      }
     if ($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 ($target eq 'edit') {      } elsif ($target eq 'edit') {
  $result.=$head_tag_start."</head>".$body_tag_start.$form_tag_start.   $result.=$form_tag_start.
     &Apache::structuretags::problem_edit_header();      &Apache::structuretags::problem_edit_header();
  $Apache::lonxml::warnings_error_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 />";      &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);   $result.= &Apache::edit::text_arg('Required number of passed optional elements to pass the Task:','OptionalRequired',$token,10)." <br />\n";
  $result.=$temp;   $result.= &Apache::edit::insertlist($target,$token);
       } elsif ($target eq 'modified') {
    my $constructtag=
       &Apache::edit::get_new_args($token,$parstack,$safeeval,
    'OptionalRequired');
    if ($constructtag) {
       $result = &Apache::edit::rebuild_tag($token);
    }
     } 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 591  DONESCREEN Line 829  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 613  sub get_key_todo { Line 865  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 $uname = &LONCAPA::clean_username($env{'form.gradinguser'});
    my $udom  = &LONCAPA::clean_domain($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 640  sub get_key_todo { Line 961  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 672  sub get_key_todo { Line 992  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 682  sub get_key_todo { Line 1003  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 $result='';
Line 708  sub end_Task { Line 1040  sub end_Task {
  if (!$previous && $status ne 'SHOW_ANSWER' &&   if (!$previous && $status ne 'SHOW_ANSWER' &&
     &show_task($status,$previous)) {      &show_task($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 $start_time;
   
     my $slot_name=      my $slot_name=
  $Apache::lonhomework::history{"resource.$version.checkedin.slot"};   $Apache::lonhomework::history{"resource.$version.0.checkedin.slot"};
     my %slot=&Apache::lonnet::get_slot($slot_name);      if ($slot_name) {
     my $start_time=   my %slot=&Apache::lonnet::get_slot($slot_name);
  &Apache::lonlocal::locallocaltime($slot{'starttime'});  
    $start_time=$slot{'starttime'}
       } else {
    $start_time= 
       &Apache::lonnet::EXT('resource.0.opendate');
       }
       $start_time=&Apache::lonlocal::locallocaltime($start_time);
   
     my $status = "\n<div class='$bt_status'>\n";      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("$version.0",'bridgetask',
     'portfiles',\$award);      'portfiles',\$award);
Line 788  DONEBUTTON Line 1151  DONEBUTTON
     }      }
     &Apache::lonhomework::showhash(%Apache::lonhomework::results);      &Apache::lonhomework::showhash(%Apache::lonhomework::results);
     &Apache::structuretags::finalize_storage();      &Apache::structuretags::finalize_storage();
     if ($award eq 'SUBMITTED'      if ($award eq 'SUBMITTED') {
  && defined($Apache::inputtags::slot_name)) {   &add_to_queue('gradingqueue',\%queue_data);
  &add_to_queue('gradingqueue',[$Apache::inputtags::slot_name]);  
     }      }
  } elsif ($Apache::lonhomework::results{'INTERNAL_store'}) {  
     &Apache::structuretags::finalize_storage();  
  }   }
  if ($target eq 'grade' && $env{'form.webgrade'} eq 'yes') {   if ($target eq 'grade' && $env{'form.webgrade'} eq 'yes' 
       && exists($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 804  DONEBUTTON Line 1169  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++;      $ungraded++;
  }   }
Line 824  DONEBUTTON Line 1199  DONEBUTTON
     if ($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 863  DONEBUTTON Line 1223  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 880  DONEBUTTON Line 1238  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 890  DONEBUTTON Line 1248  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="'.   #$result.='<input type="submit" name="end" value="'.
Line 902  DONEBUTTON Line 1319  DONEBUTTON
  #    &mt('Throw Away &amp; Stop Grading').'" /> ';   #    &mt('Throw Away &amp; Stop Grading').'" /> ';
  #$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.=&Apache::response::meta_stores_write('solved','string',          $result.=&Apache::response::meta_stores_write('solved','string',
Line 913  DONEBUTTON Line 1331  DONEBUTTON
       'Partial Credit Factor');        'Partial Credit Factor');
  $result.=&Apache::response::meta_stores_write('status','string',   $result.=&Apache::response::meta_stores_write('status','string',
       'Bridge Task Status');        'Bridge Task Status');
       } elsif ($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 927  sub move_between_queues { Line 1350  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 $result;
     }      }
Line 938  sub move_between_queues { Line 1361  sub move_between_queues {
 sub check_queue_unlock {  sub check_queue_unlock {
     my ($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 955  sub check_queue_unlock { Line 1379  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 ($queue,$symb,$cdom,$cnum,$udom,$uname)=@_;      my ($queue,$symb,$cdom,$cnum,$udom,$uname)=@_;
     if ($queue eq 'none') { return 'ok'; }      if ($queue eq 'none') { return 'ok'; }
     if (!defined($symb) || !defined($cdom) || !defined($cnum)      if (!defined($symb) || !defined($cdom) || !defined($cnum)
  || !defined($udom) || !defined($uname)) {   || !defined($udom) || !defined($uname)) {
  ($symb,my $cid,$udom,$uname)=&Apache::lonxml::whichuser();   ($symb,my $cid,$udom,$uname)=&Apache::lonnet::whichuser();
  $cnum=$env{'course.'.$cid.'.num'};   $cnum=$env{'course.'.$cid.'.num'};
  $cdom=$env{'course.'.$cid.'.domain'};   $cdom=$env{'course.'.$cid.'.domain'};
     }      }
       if (!&in_queue($queue,$symb,$cdom,$cnum,$udom,$uname)) {
    return 'ok';
       }
     my $key=&encode_queue_key($symb,$udom,$uname);      my $key=&encode_queue_key($symb,$udom,$uname);
     my @keys=($key,"$key\0locked");      my @keys=($key,"$key\0locked");
     &Apache::lonnet::logthis("removing @keys");  
     return &Apache::lonnet::del($queue,\@keys,$cdom,$cnum);      return &Apache::lonnet::del($queue,\@keys,$cdom,$cnum);
 }  }
   
Line 982  sub setup_env_for_other_user { Line 1427  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 $value;
Line 1005  sub check_queue_for_key { Line 1454  sub check_queue_for_key {
  if (defined($results{"$todo\0locked"})) {   if (defined($results{"$todo\0locked"})) {
     return 'locked';      return 'locked';
  }   }
  my $slot;   if (my $slot=&slotted_access($results{$todo})) {
  if (ref($results{$todo}) eq 'ARRAY')  {  
     $slot = $results{$todo}[0];  
  } elsif (ref($results{$todo}) eq 'HASH')  {  
     $slot = $results{$todo}{'slot'};  
  }  
  if (defined($slot)) {  
     my %slot_data=&Apache::lonnet::get_slot($slot);      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 ($due_date > time) {
    return 'in_progress';
       }
  }   }
  return 'enqueued';   return 'enqueued';
     }      }
Line 1025  sub check_queue_for_key { Line 1474  sub check_queue_for_key {
 sub add_to_queue {  sub add_to_queue {
     my ($queue,$user_data)=@_;      my ($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 || $env{'request.state'} eq 'construct') {      if (!$cid || $env{'request.state'} eq 'construct') {
  return 'no_queue';   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"}=$user_data;      $data{"$symb\0queue\0$uname:$udom"}=$user_data;
     return &Apache::lonnet::cput($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 - $symb $queue </h3><table border='1'><tr>";      &Apache::loncommon::start_data_table_row().
     if ($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 1096  sub show_queue { Line 1611  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 1110  sub show_queue { Line 1626  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 1138  sub get_queue_counts { Line 1659  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 1158  sub get_queue_counts { Line 1690  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 1222  sub find_mid_grade { Line 1820  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 1234  sub find_mid_grade { Line 1832  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 ($success eq 'ok') {
Line 1250  sub lock_key { Line 1848  sub lock_key {
 sub get_queue_symb_status {  sub get_queue_symb_status {
     my ($queue,$symb,$cdom,$cnum) = @_;      my ($queue,$symb,$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 $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 1263  sub get_queue_symb_status { Line 1863  sub get_queue_symb_status {
  next if ($key=~/locked$/);   next if ($key=~/locked$/);
  next if ($key=~/timestamp$/);   next if ($key=~/timestamp$/);
  my ($symb,$uname,$udom) = &decode_queue_key($key);   my ($symb,$uname,$udom) = &decode_queue_key($key);
    next if (!defined($classlist->{$uname.':'.$udom}));
  push(@users,"$uname:$udom");   push(@users,"$uname:$udom");
     }      }
     return @users;      return @users;
Line 1271  sub get_queue_symb_status { Line 1872  sub get_queue_symb_status {
 sub get_from_queue {  sub get_from_queue {
     my ($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 $starttime=time;
  &Apache::lonnet::cput($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 1304  sub get_from_queue { Line 1915  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 1323  sub get_from_queue { Line 1937  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 1333  sub get_from_queue { Line 1948  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 $cnum=$env{'course.'.$cid.'.num'};   my $cnum=$env{'course.'.$cid.'.num'};
  my $cdom=$env{'course.'.$cid.'.domain'};   my $cdom=$env{'course.'.$cid.'.domain'};
  my %status = &get_student_status($symb,$cdom,$cnum,$udom,$uname);   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 1368  sub select_user { Line 1983  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 1378  sub select_user { Line 1994  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 1389  sub select_user { Line 2005  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 1409  RESULT Line 2025  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 1425  RESULT Line 2044  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;
 }  }
   
Line 1439  sub get_student_status { Line 2058  sub get_student_status {
     if ($type eq 'Task') {      if ($type eq 'Task') {
  my %record = &Apache::lonnet::restore($symb,$env{'request.course.id'},   my %record = &Apache::lonnet::restore($symb,$env{'request.course.id'},
   $udom,$uname);    $udom,$uname);
  $status{'status'}=$record{'resource.status'};   $status{'status'}=$record{'resource.0.status'};
  $status{'version'}=$record{'resource.version'};   $status{'version'}=$record{'resource.0.version'};
  $status{'grader'}=$record{'resource.grader'};   $status{'grader'}=$record{'resource.0.regrader'};
     }      }
     $status{'reviewqueue'}=      $status{'reviewqueue'}=
  &check_queue_for_key($cdom,$cnum,'reviewqueue',   &check_queue_for_key($cdom,$cnum,'reviewqueue',
Line 1458  sub start_ClosingParagraph { Line 2077  sub start_ClosingParagraph {
     if ($target eq 'web') {      if ($target eq 'web') {
     } elsif ($target eq 'webgrade') {      } elsif ($target eq 'webgrade') {
  &Apache::lonxml::startredirection();   &Apache::lonxml::startredirection();
       } elsif ($target eq 'edit') {
    my $bodytext=&Apache::lonxml::get_all_text("/closingparagraph",
      $parser);
    $result = &Apache::edit::tag_start($target,$token);
    $result.= &Apache::edit::editfield($token->[1],$bodytext,'',80,4);
       } elsif ($target eq 'modified') {
    $result = $token->[4].&Apache::edit::modifiedfield('/closingparagraph',
      $parser);
     }      }
     return $result;      return $result;
 }  }
Line 1472  sub end_ClosingParagraph { Line 2099  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 1479  sub get_id { Line 2114  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);      my $result;
     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);      if ($target eq 'web' || $target eq 'webgrade' || $target eq 'grade') {
     undef(@Apache::bridgetask::instance);   &Apache::lonxml::startredirection();
     $Apache::bridgetask::dimensionmandatory{$dim_id}=      } elsif ($target eq 'edit') {
  &Apache::lonxml::get_param('Mandatory',$parstack,$safeeval);   $result = &Apache::edit::tag_start($target,$token);
     &Apache::lonxml::startredirection();   $result.= &Apache::edit::text_arg('Id:','id',$token,10).
     return &internal_location($dim_id);      &Apache::edit::end_row().
       &Apache::edit::start_spanning_row();
       } elsif ($target eq 'modified') {
    my $constructtag=
       &Apache::edit::get_new_args($token,$parstack,$safeeval,'id');
    if ($constructtag) {
       $result = &Apache::edit::rebuild_tag($token);
    }
       }
       return $result;
   }
   
   {
       my @allowed;
       sub enable_dimension_parsing {
    my ($id) = @_;
    push(@allowed,$id);
       }
       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(@_); }
   sub start_Dimension {
       my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
       my $dim = &get_id($parstack,$safeeval);
       my $previous_dim;
       my $result;
       if ($target eq 'grade' || $target eq 'web' || $target eq 'webgrade') {
    if (@Apache::bridgetask::dimension) {
       $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);
    }
       } elsif ($target eq 'edit') {
     $result = &Apache::edit::tag_start($target,$token);
    $result.=  
       &Apache::edit::text_arg('Id:','id',$token,10).' '.
       &Apache::edit::select_arg('Passing is Mandatory:','Mandatory',
         [['yes', 'Yes'],
          ['no','No'],],
         $token).' <br /> '.
       &Apache::edit::text_arg('Required number of passed optional elements to pass the '.$token->[1].':',
       'OptionalRequired',$token,4).
       &Apache::edit::end_row().
       &Apache::edit::start_spanning_row();
       } elsif ($target eq 'modified') {
    my $constructtag=
       &Apache::edit::get_new_args($token,$parstack,$safeeval,
    'id','Mandatory','OptionalRequired');
    if ($constructtag) {
       $result = &Apache::edit::rebuild_tag($token);
    }
       }
       return $result;# &internal_location($dim);
   }
   
   sub start_QuestionText {
       my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
       my $result;
       if ($target eq 'grade' || $target eq 'web' || $target eq 'webgrade') {
    my $text=&Apache::lonxml::get_all_text('/questiontext',$parser,$style);
       my $dim = &get_dim_id();
    $dimension{$dim}{'questiontext'}=$text;
       } elsif ($target eq 'edit') {
    my $bodytext=&Apache::lonxml::get_all_text("/questiontext",$parser);
    $result = &Apache::edit::tag_start($target,$token);
    $result.= &Apache::edit::editfield($token->[1],$bodytext,'',80,4);
       } elsif ($target eq 'modified') {
    $result = $token->[4].&Apache::edit::modifiedfield('/questiontext',
      $parser);
       }
       return $result;
   }
   
   sub end_QuestionText {
       return '';
 }  }
   
 sub get_instance {  sub get_instance {
Line 1500  sub get_instance { Line 2246  sub get_instance {
  $rand_alg eq '64bit2' || $rand_alg eq '64bit3' ||   $rand_alg eq '64bit2' || $rand_alg eq '64bit3' ||
  $rand_alg eq '64bit4' ) {   $rand_alg eq '64bit4' ) {
  &Apache::response::pushrandomnumber();   &Apache::response::pushrandomnumber();
  my @order=&Math::Random::random_permutation(@{$dimension{'instances'}});   my @order=&Math::Random::random_permutation(@{$dimension{$dim}{'instances'}});
  my $num=@order;   my $num=@order;
  my $version=&get_version();   my $version=&get_version();
  my $which=($version-1)%$num;   my $which=($version-1)%$num;
Line 1512  sub get_instance { Line 2258  sub get_instance {
  if (defined($instance)) { return $instance; }   if (defined($instance)) { return $instance; }
   
  &Apache::response::pushrandomnumber();   &Apache::response::pushrandomnumber();
  my @instances = @{$dimension{'instances'}};   if (ref($dimension{$dim}{'instances'}) eq 'ARRAY') {
  # remove disabled instances      my @instances = @{$dimension{$dim}{'instances'}};
  for (my $i=0; $i < $#instances; $i++) {      # remove disabled instances
     if ($dimension{$instances[$i].'.disabled'}) {      for (my $i=0; $i < $#instances; $i++) {
  splice(@instances,$i,1);   if ($dimension{$dim}{$instances[$i].'.disabled'}) {
  $i--;      splice(@instances,$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; 
     }      }
  }   }
  @instances = &Math::Random::random_permutation(@instances);  
  $instance  = $instances[($version-1)%scalar(@instances)];  
  $Apache::lonhomework::results{"resource.$version.0.$dim.instance"} =   
     $instance;  
  $Apache::lonhomework::results{'INTERNAL_store'} = 1;   
  &Apache::response::poprandomnumber();   &Apache::response::poprandomnumber();
  return $instance;   return $instance;
     }      }
 }  }
   
 {  sub get_criteria {
     my $last_link;      my ($what,$version,$dim,$id) = @_;
     sub end_Dimension {      my $type = $dimension{$dim}{'criteria.'.$id.'.type'};
  my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;      my $prefix = ($type eq 'criteria' && $dim ne $top) ? "$dim.$id"
  my $result=&Apache::lonxml::endredirection();                                                 : "$id";
  my $dim=&get_id($parstack,$safeeval);      my $entry = "resource.$version.0.$prefix.$what";
  my $instance=&get_instance($dim);      if (exists($Apache::lonhomework::results{$entry})) {
  my $version=&get_version();   return $Apache::lonhomework::results{$entry};
  if ($target eq 'web') {      }
     @Apache::scripttag::parser_env = @_;      return $Apache::lonhomework::history{$entry};
     $result.=&Apache::scripttag::xmlparse($dimension{'intro'});  }
     my @instances = $instance;  
     if (&Apache::response::showallfoils()) {  sub link {
  @instances = @{$dimension{'instances'}};      my ($id) = @_;
     }      $id =~ s/\./_/g;
     foreach my $instance (@instances) {      return 'LC_GRADING_criteria_'.$id;
  @Apache::scripttag::parser_env = @_;  }
  $result.=&Apache::scripttag::xmlparse($dimension{$instance.'.text'});  sub end_Question { return &end_Dimension(@_); }
  if ($Apache::lonhomework::history{"resource.$version.status"} eq 'pass' ||  sub end_Dimension {
     $Apache::lonhomework::history{"resource.$version.status"} eq 'fail') {      my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
       my $result;
     my $dim_status=$Apache::lonhomework::history{"resource.$version.$dim.status"};      my $dim=&get_id($parstack,$safeeval);
     my $mandatory='Mandatory';      if ($target eq 'grade' || $target eq 'web' || $target eq 'webgrade') {
     if ($Apache::bridgetask::dimensionmandatory{$dim} eq 'N') {   $result=&Apache::lonxml::endredirection();
  $mandatory='Optional';   if (&skip_dimension_parsing($dim)) {
     }      pop(@Apache::bridgetask::dimension);
     my $dim_info="<div class='$dim_status'>\n";      return;
     if ($dim_status eq 'pass') {   }
  $dim_info.='<h3>Question : you passed this '.$mandatory.' question</h3>';      }
     }      my $instance=&get_instance($dim);
     if ($dim_status eq 'fail') {      my $version=&get_version();
  $dim_info.='<h3>Question : you did not pass this '.$mandatory.' question</h3>';      if ($target eq 'web') {
     }   $result .= &nested_parse(\$dimension{$dim}{'intro'},[@_]);
     my $man_count=0;   my @instances = $instance;
     my $man_passed=0;   if (&Apache::response::showallfoils()) {
     my $opt_count=0;      @instances = @{$dimension{$dim}{'instances'}};
     my $opt_passed=0;   }
     foreach my $id (@{$dimension{$instance.'.criterias'}}) {   my $shown_question_text;
  if ($dimension{$instance.'.criteria.'.$id.'.mandatory'}    foreach my $instance (@instances) {
     eq 'N') {      $result .= &nested_parse(\$dimension{$dim}{$instance.'.text'},
     $opt_count++;       [@_]);
     if ($Apache::lonhomework::history{"resource.$version.$dim.$instance.$id.status"} eq 'pass') {      $result .= &nested_parse(\$dimension{$dim}{'questiontext'},
  $opt_passed++;       [@_],{'set_dim_id' => undef});
     }      my $task_status = 
  } else {   $Apache::lonhomework::history{"resource.$version.0.status"};
     $man_count++;      if ($task_status ne 'pass' && $task_status ne 'fail') {
     if ($Apache::lonhomework::history{"resource.$version.$dim.$instance.$id.status"} eq 'pass') {  
  $man_passed++;   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' => $id});
     }      }
     if ($man_passed eq $man_count) { $man_passed='all'; }   }
     my $opt_req=$dimension{$instance.'.optionalrequired'};      } else {
     if ($opt_req !~ /\S/) { $opt_req='0'; }   my $dim_status=$Apache::lonhomework::history{"resource.$version.0.$dim.status"};
     $dim_info.="\n<p>".&mt('You passed [_1] of the [_2] mandatory components and [_3] of the [_4] optional components, of which you were required to pass [_5].',$man_passed,$man_count,$opt_passed,$opt_count,$opt_req)."</p>\n</div>";   my $mandatory='Mandatory';
    if (&Apache::lonxml::get_param('Mandatory',$parstack,$safeeval) eq 'N') {
     my $internal_location=&internal_location($dim);      $mandatory='Optional';
     $result=~s/\Q$internal_location\E/$dim_info/;   }
    my $dim_info=
     foreach my $id (@{$dimension{$instance.'.criterias'}}) {      "\n<div class='LC_$dim_status LC_question_grade'>\n\t";
  my $status=$Apache::lonhomework::history{"resource.$version.$dim.$instance.$id.status"};   my $ucquestion = 
  my $comment=$Apache::lonhomework::history{"resource.$version.$dim.$instance.$id.comment"};      my $question = 
  my $mandatory=($dimension{$instance.'.criteria.'.$id.'.mandatory'} ne 'N');      ('sub' x $dimension{$dim}{'depth'}).'question';
  if ($mandatory) {   $ucquestion =~ s/^(.)/uc($1)/e;
     $mandatory='Mandatory';   if ($dim_status eq 'pass') {
  } else {      $dim_info.='<h3>'.$ucquestion.' : you passed this '.$mandatory.' '.$question.'</h3>';
     $mandatory='Optional';   }
  }   if ($dim_status eq 'fail') {
  if ($status eq 'fail') {      $dim_info.='<h3>'.$ucquestion.' : you did not pass this '.$mandatory.' '.$question.'</h3>';
  } elsif ($status eq 'pass') {   }
    my %counts = &get_counts($dim,$instance,$parstack,
    $safeeval);
   
    $dim_info.="\n\t<p>"
       .&question_status_message(\%counts,
         $dimension{$dim}{'depth'})
       ."</p>\n</div>\n";
   
    foreach my $id (@{$dimension{$dim}{$instance.'.criterias'}},
    @{$dimension{$dim}{'criterias'}}) {
       my $type = $dimension{$dim}{'criteria.'.$id.'.type'};
       if ($type eq 'dimension') {
    if (defined($dimension{$id}{'result'})) {
       $result.=$dimension{$id}{'result'};
       next;
  } else {   } else {
     &Apache::lonxml::error("Student viewing a graded bridgetask was shown a status of $status");      $dim_info .=
    &nested_parse(\$dimension{$dim}{'criteria.'.$id},
         [@_],{'set_dim_id' => $id});
  }   }
  my $status_display=$status;      } else {
  $status_display=~s/^([a-z])/uc($1)/e;   my $criteria =
  @Apache::scripttag::parser_env = @_;      &nested_parse(\$dimension{$dim}{'criteria.'.$id},
  $result.='<div class="'.$status.'"><h4>'.$mandatory.    [@_]);
     ' Criteria</h4><p>';   $dim_info .= &layout_web_Criteria($dim,$id,$criteria);
  @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>';  
  }  
  $result.='</div>';  
     }      }
  }   }
    # puts the results at the end of the dimension
    if ($result =~m{<QuestionGradeInfo\s*/>}) {
       $result=~s{<QuestionGradeInfo\s*/>}{$dim_info};
    } else {
       $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 {   } else {
     # any other targets no output      $Apache::lonhomework::results{"resource.$version.0.$dim.status"}=
     undef($result);   'pass';
  }   }
  return $result;      } elsif ($target eq 'edit') {
       } elsif ($target eq 'modified') {
       } else {
    # any other targets no output
    undef($result);
       }
       if ($target eq 'grade' || $target eq 'web' || $target eq 'webgrade') {
    &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 {
       $status .=
    'component'.($counts->{'opt_req'} == 1?'':'s');
    }
    $status .= '.';
       }
       return $status;
   }
   
   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 $result;
       my $dim=&get_id($parstack,$safeeval);
       my $instance=&get_instance($dim);
       my $version=&get_version();
       if ($target eq 'web' || $target eq 'webgrade' || $target eq 'grade') {
    $result=&Apache::lonxml::endredirection();
       }
       if ($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 {  sub start_IntroParagraph {
     my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;      my ($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,$style);   if ($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,$style);        $parser,$style);
           } elsif ($tagstack->[-2] eq 'Task' && $target eq 'webgrade') {
       &Apache::lonxml::startredirection();
  }   }
   
       } elsif ($target eq 'edit') {
    my $bodytext=&Apache::lonxml::get_all_text("/introparagraph",$parser);
    $result = &Apache::edit::tag_start($target,$token);
    $result.= &Apache::edit::editfield($token->[1],$bodytext,'',80,4);
       } elsif ($target eq 'modified') {
    $result = $token->[4].&Apache::edit::modifiedfield('/introparagraph',
      $parser);
     }      }
     return $result;      return $result;
 }  }
   
 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);      my $disabled = &Apache::lonxml::get_param('Disabled',$parstack,$safeeval);
     if (lc($disabled) eq 'yes') {      if (lc($disabled) eq 'yes') {
  $dimension{$id.'.disabled'}='1';   $dimension{$dim}{$id.'.disabled'}='1';
     }      }
     return '';      my $result;
       if ($target eq 'edit') {
    $result = &Apache::edit::tag_start($target,$token);
    $result.=  
       &Apache::edit::text_arg('Id:','id',$token,10).' '.
       &Apache::edit::select_arg('Instance is Disabled:','Disabled',
         [['no', 'No'],
          ['yes','Yes'],],
         $token)
       .' <br /> '.
       &Apache::edit::text_arg('Required number of passed optional elements to pass the Instance:',
       'OptionalRequired',$token,4)
       .&Apache::edit::end_row().
       &Apache::edit::start_spanning_row();
       } elsif ($target eq 'modified') {
    my $constructtag=
       &Apache::edit::get_new_args($token,$parstack,$safeeval,
    'id','OptionalRequired','Disabled');
    if ($constructtag) {
       $result = &Apache::edit::rebuild_tag($token);
    }
       }
       return $result;
 }  }
   
 sub end_Instance {  sub end_Instance {
       my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
       my $result;
       if ($target eq 'edit') {
    $result = &Apache::edit::tag_end($target,$token);
       }
       return $result;
 }  }
   
 sub start_InstanceText {  sub start_InstanceText {
     my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;      my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
     my $instance_id=$Apache::bridgetask::instance[-1];      my $result;
     my $text=&Apache::lonxml::get_all_text('/instancetext',$parser,$style);      if ($target eq 'grade' || $target eq 'web' || $target eq 'webgrade') {
     if ($target eq 'web' || $target eq 'webgrade') {   my $text=&Apache::lonxml::get_all_text('/instancetext',$parser,$style);
  $dimension{$instance_id.'.text'}=$text;   my $dim = &get_dim_id();
    my $instance_id=$Apache::bridgetask::instance{$dim}[-1];
    $dimension{$dim}{$instance_id.'.text'}=$text;
       } elsif ($target eq 'edit') {
    my $bodytext=&Apache::lonxml::get_all_text("/instancetext",$parser);
    $result = &Apache::edit::tag_start($target,$token);
    $result.= &Apache::edit::editfield($token->[1],$bodytext,'',80,4);
       } elsif ($target eq 'modified') {
    $result = $token->[4].&Apache::edit::modifiedfield('/instancetext',
      $parser);
     }      }
     return '';      return $result;
 }  }
   
 sub end_InstanceText {  sub end_InstanceText {
Line 1749  sub end_InstanceText { Line 2796  sub end_InstanceText {
   
 sub start_Criteria {  sub start_Criteria {
     my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;      my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
     my $instance_id=$Apache::bridgetask::instance[-1];      my $result = '';
     my $criteria=&Apache::lonxml::get_all_text('/criteria',$parser,$style);  
     if ($target eq 'web' || $target eq 'webgrade' || $target eq 'grade') {      if ($target eq 'web' || $target eq 'webgrade' || $target eq 'grade') {
    my $criteria=&Apache::lonxml::get_all_text('/criteria',$parser,$style);
    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);
    }
       } elsif ($target eq 'edit') {
    if (0) {
       $result = &Apache::edit::tag_start($target,$token);
       my $text=&Apache::lonxml::get_all_text("/criteria",$parser);
       &Apache::lonnet::logthis("get_all_text criteria \n$text");
       my $local_parser = HTML::LCParser->new(\$text);
       $local_parser->xml_mode(1);
       $local_parser->marked_sections(1);
       while (1) {
    my $criteria_text = 
       &Apache::lonxml::get_all_text('gradernote',$local_parser);
    $result.=
       &Apache::edit::editfield($token->[1],$criteria_text,'',80,4);
   
    # check for a <GraderNote> next might be end
    my $token = $local_parser->get_token();
    # is the end
    last if (!$token);
    my $gradernote = &Apache::lonxml::get_all_text('/gradernote',
          $local_parser);
    # purge the end tag
    my $token = $local_parser->get_token();
    $gradernote = '<GraderNote>'.$gradernote.'</GraderNote>';
    @Apache::scripttag::parser_env = @_;
    $result .= 
       &Apache::edit::end_row().&Apache::edit::start_spanning_row().
       &Apache::scripttag::xmlparse($gradernote).
       &Apache::edit::end_row().&Apache::edit::start_spanning_row();
       }
    }
    $result .=&Apache::edit::tag_start($target,$token);
    $result.=  
       &Apache::edit::text_arg('Id:','id',$token,10).' '.
       &Apache::edit::select_arg('Passing is Mandatory:','Mandatory',
         [['yes', 'Yes'],
          ['no','No'],],
         $token)
       .' <br /> '.&Apache::edit::end_row().
       &Apache::edit::start_spanning_row();
       } elsif ($target eq 'modified') {
    my $constructtag=
       &Apache::edit::get_new_args($token,$parstack,$safeeval,
    'id','Mandatory');
    if ($constructtag) { $result = &Apache::edit::rebuild_tag($token); }
     }      }
     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 {
       my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
       if ($target eq 'edit') {
       } elsif ($target eq 'modified') {
       }
   }
   
   sub start_CriteriaText {
       my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
       my $result;
       if ($target eq 'grade' || $target eq 'web' || $target eq 'webgrade') {
   
       } elsif ($target eq 'edit') {
    my $bodytext=&Apache::lonxml::get_all_text("/criteriatext",$parser);
    $result = &Apache::edit::tag_start($target,$token);
    $result.= &Apache::edit::editfield($token->[1],$bodytext,'',80,4);
       } elsif ($target eq 'modified') {
    $result = $token->[4].&Apache::edit::modifiedfield('/criteriatext',
      $parser);
       }
       return $result;
 }  }
   
   sub end_CriteriaText {
       return '';
   }
   
   sub start_GraderNote {
       my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
       my $result;
       if ($target eq 'webgrade') {
    $result = '<div class="LC_GRADING_gradernote"><b>'.
       &mt('Note to graders:').'</b>';
       } elsif ($target eq 'edit') {
    my $bodytext=&Apache::lonxml::get_all_text("/gradernote",$parser);
    $result = &Apache::edit::tag_start($target,$token);
    $result.= &Apache::edit::editfield($token->[1],$bodytext,'',80,4);
       } elsif ($target eq 'modified') {
    $result = $token->[4].&Apache::edit::modifiedfield('/gradernote',
      $parser);
       } elsif ($target eq 'web' || $target eq 'grade') {
    my $note=&Apache::lonxml::get_all_text('/gradernote',$parser,$style); 
       }
       return $result;
   }
   
   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 1780  sub proctor_validation_screen { Line 3027  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="$env{'request.uri'}">
 <input type="hidden" name="validate" value="yes" />  <input type="hidden" name="validate" value="yes" />
 <input type="hidden" name="submitted" value="yes" />  <input type="hidden" name="submitted" value="yes" />
 <table>  <table>
Line 1795  sub proctor_validation_screen { Line 3042  sub proctor_validation_screen {
       <tr><td colspan="2">Student who should be logged in is:</td></tr>        <tr><td colspan="2">Student who should be logged in is:</td></tr>
       <tr><td>Name:</td><td>$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.1.87  
changed lines
  Added in v.1.226


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