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Diff for /loncom/interface/lonnavmaps.pm between versions 1.452 and 1.470

version 1.452, 2010/12/02 15:40:02 version 1.470, 2011/11/29 11:58:53
Line 225  automatically. Line 225  automatically.
   
 =over 4  =over 4
   
 =item * B<iterator>: default: constructs one from %env  =item * B<iterator: default: constructs one from %env
   
 A reference to a fresh ::iterator to use from the navmaps. The  A reference to a fresh ::iterator to use from the navmaps. The
 rendering will reflect the options passed to the iterator, so you can  rendering will reflect the options passed to the iterator, so you can
Line 478  use Apache::loncommon(); Line 478  use Apache::loncommon();
 use Apache::lonenc();  use Apache::lonenc();
 use Apache::lonlocal;  use Apache::lonlocal;
 use Apache::lonnet;  use Apache::lonnet;
   use Apache::lonmap;
   
 use POSIX qw (floor strftime);  use POSIX qw (floor strftime);
 use Time::HiRes qw( gettimeofday tv_interval );  use Time::HiRes qw( gettimeofday tv_interval );
 use LONCAPA;  use LONCAPA;
 use DateTime();  use DateTime();
   
   # For debugging
   
   # use Data::Dumper;
   
   
 # symbolic constants  # symbolic constants
 sub SYMB { return 1; }  sub SYMB { return 1; }
 sub URL { return 2; }  sub URL { return 2; }
Line 509  my %statusIconMap = Line 515  my %statusIconMap =
 my %iconAltTags =   #texthash does not work here  my %iconAltTags =   #texthash does not work here
     ( 'navmap.correct.gif'  => 'Correct',      ( 'navmap.correct.gif'  => 'Correct',
       'navmap.wrong.gif'    => 'Incorrect',        'navmap.wrong.gif'    => 'Incorrect',
       'navmap.open.gif'     => 'Open',        'navmap.open.gif'     => 'Is Open',
       'navmap.partial.gif'  => 'Partially Correct',        'navmap.partial.gif'  => 'Partially Correct',
       'navmap.ellipsis.gif' => 'Attempted',        'navmap.ellipsis.gif' => 'Attempted',
      );       );
Line 609  sub getDescription { Line 615  sub getDescription {
         return &mt("Having technical difficulties; please check status later");           return &mt("Having technical difficulties; please check status later"); 
     }      }
     if ($status == $res->NOTHING_SET) {      if ($status == $res->NOTHING_SET) {
         return &mt("Not currently assigned.");          return &Apache::lonhtmlcommon::direct_parm_link(&mt("Not currently assigned.",$res->symb(),'opendate'),$part);
     }      }
     if ($status == $res->OPEN_LATER) {      if ($status == $res->OPEN_LATER) {
         return &mt("Open ") .timeToHumanString($open,'start');          return &mt("Open [_1]",&Apache::lonhtmlcommon::direct_parm_link(&timeToHumanString($open,'start'),$res->symb(),'opendate',$part));
     }      }
     if ($res->simpleStatus($part) == $res->OPEN) {      if ($res->simpleStatus($part) == $res->OPEN) {
         unless (&Apache::lonnet::allowed('mgr',$env{'request.course.id'})) {          unless (&Apache::lonnet::allowed('mgr',$env{'request.course.id'})) {
Line 646  sub getDescription { Line 652  sub getDescription {
     if ($status == $res->OPEN) {      if ($status == $res->OPEN) {
         if ($due) {          if ($due) {
     if ($res->is_practice()) {      if ($res->is_practice()) {
  return &mt("Closes ")."  " .timeToHumanString($due,'start');   return &mt("Closes [_1]",&Apache::lonhtmlcommon::direct_parm_link(&timeToHumanString($due,'start'),$res->symb(),'duedate',$part));
     } else {      } else {
  return &mt("Due")."  " .timeToHumanString($due,'end');   return &mt("Due [_1]",&Apache::lonhtmlcommon::direct_parm_link(&timeToHumanString($due,'end'),$res->symb(),'duedate',$part));
     }      }
         } else {          } else {
             return &mt("Open, no due date");              return &Apache::lonhtmlcommon::direct_parm_link(&mt("Open, no due date"),$res->symb(),'duedate',$part);
         }          }
     }      }
     if ($status == $res->PAST_DUE_ANSWER_LATER) {      if ($status == $res->PAST_DUE_ANSWER_LATER) {
         return &mt("Answer open")." " .timeToHumanString($answer,'start');          return &mt("Answer open [_1]",&Apache::lonhtmlcommon::direct_parm_link(&timeToHumanString($answer,'start'),$res->symb(),'answerdate',$part));
     }      }
     if ($status == $res->PAST_DUE_NO_ANSWER) {      if ($status == $res->PAST_DUE_NO_ANSWER) {
  if ($res->is_practice()) {   if ($res->is_practice()) {
     return &mt("Closed")." " . timeToHumanString($due,'start');      return &mt("Closed [_1]",&Apache::lonhtmlcommon::direct_parm_link(&timeToHumanString($due,'start'),$res->symb(),'answerdate,duedate',$part));
  } else {   } else {
     return &mt("Was due")." " . timeToHumanString($due,'end');      return &mt("Was due [_1]",&Apache::lonhtmlcommon::direct_parm_link(&timeToHumanString($due,'end'),$res->symb(),'answerdate,duedate',$part));
  }   }
     }      }
     if (($status == $res->ANSWER_OPEN || $status == $res->PARTIALLY_CORRECT)      if (($status == $res->ANSWER_OPEN || $status == $res->PARTIALLY_CORRECT)
  && $res->handgrade($part) ne 'yes') {   && $res->handgrade($part) ne 'yes') {
         return &mt("Answer available");          return &Apache::lonhtmlcommon::direct_parm_link(&mt("Answer available"),$res->symb(),'answerdate,duedate',$part);
     }      }
     if ($status == $res->EXCUSED) {      if ($status == $res->EXCUSED) {
         return &mt("Excused by instructor");          return &mt("Excused by instructor");
Line 694  sub getDescription { Line 700  sub getDescription {
             }              }
         }          }
         if ($due) {          if ($due) {
             return &mt("Due")." " . timeToHumanString($due,'end') .              return &mt("Due [_1]",&Apache::lonhtmlcommon::direct_parm_link(&timeToHumanString($due,'end'),$res->symb(),'duedate',$part)) .
                 " $triesString";                  " $triesString";
         } else {          } else {
             return &mt("No due date")." $triesString";              return &Apache::lonhtmlcommon::direct_parm_link(&mt("No due date"),$res->symb(),'duedate',$part)." $triesString";
         }          }
     }      }
     if ($status == $res->ANSWER_SUBMITTED) {      if ($status == $res->ANSWER_SUBMITTED) {
Line 779  sub timeToHumanString { Line 785  sub timeToHumanString {
   
         # Less than an hour          # Less than an hour
         if ( $delta < $hour ) {          if ( $delta < $hour ) {
             # If so, use minutes              # If so, use minutes; or minutes, seconds (if format requires)
             my $minutes = floor($delta / 60);              my $minutes = floor($delta / 60);
               if (($format ne '') && ($format =~ /\%(T|S)/)) {
                   my $display;
                   if ($minutes == 1) {
                       $display = "${prefix}1 minute";
                   } else {
                       $display = "$prefix$minutes minutes";
                   }
                   my $seconds = $delta % $minute;
                   if ($seconds == 0) {
                       $display .= $tense;
                   } elsif ($seconds == 1) {
                       $display .= ", 1 second$tense";
                   } else {
                       $display .= ", $seconds seconds$tense";
                   }
                   return $display;
               }
             if ($minutes == 1) { return "${prefix}1 minute$tense"; }              if ($minutes == 1) { return "${prefix}1 minute$tense"; }
             return "$prefix$minutes minutes$tense";              return "$prefix$minutes minutes$tense";
         }          }
                   
         # Is it less than 24 hours away? If so,          # Is it less than 24 hours away? If so,
         # display hours + minutes          # display hours + minutes, (and + seconds, if format specified it)  
         if ( $delta < $hour * 24) {          if ( $delta < $hour * 24) {
             my $hours = floor($delta / $hour);              my $hours = floor($delta / $hour);
             my $minutes = floor(($delta % $hour) / $minute);              my $minutes = floor(($delta % $hour) / $minute);
Line 801  sub timeToHumanString { Line 824  sub timeToHumanString {
             if ($minutes == 0) {              if ($minutes == 0) {
                 $minuteString = "";                  $minuteString = "";
             }              }
               if (($format ne '') && ($format =~ /\%(T|S)/)) {
                   my $display = "$prefix$hourString$minuteString";
                   my $seconds = $delta-(($hours * $hour)+($minutes * $minute));
                   if ($seconds == 0) {
                       $display .= $tense;
                   } elsif ($seconds == 1) {
                       $display .= ", 1 second$tense";
                   } else {
                       $display .= ", $seconds seconds$tense";
                   }
                   return $display;
               }
             return "$prefix$hourString$minuteString$tense";              return "$prefix$hourString$minuteString$tense";
         }          }
   
           # Date/time is more than 24 hours away
   
  my $dt = DateTime->from_epoch(epoch => $time)   my $dt = DateTime->from_epoch(epoch => $time)
                  ->set_time_zone(&Apache::lonlocal::gettimezone());                   ->set_time_zone(&Apache::lonlocal::gettimezone());
   
  # If there's a caller supplied format, use it.   # If there's a caller supplied format, use it, unless it only displays
           # H:M:S or H:M.
   
  if ($format ne '') {   if (($format ne '') && ($format ne '%T') && ($format ne '%R')) {
     my $timeStr = $dt->strftime($format);      my $timeStr = $dt->strftime($format);
     return $timeStr.' ('.$dt->time_zone_short_name().')';      return $timeStr.' ('.$dt->time_zone_short_name().')';
  }   }
Line 945  sub render_resource { Line 983  sub render_resource {
     }      }
   
     if ($resource->randomout()) {      if ($resource->randomout()) {
         $nonLinkedText .= ' <i>('.&mt('hidden').')</i> ';          $nonLinkedText .= ' <span class="LC_warning">('.&mt('hidden').')</span> ';
     }      }
     if (!$resource->condval()) {      if (!$resource->condval()) {
         $nonLinkedText .= ' <i>('.&mt('conditionally hidden').')</i> ';          $nonLinkedText .= ' <span class="LC_info">('.&mt('conditionally hidden').')</span> ';
     }      }
     if (($resource->is_practice()) && ($resource->is_raw_problem())) {      if (($resource->is_practice()) && ($resource->is_raw_problem())) {
         $nonLinkedText .=' <font color="green"><b>'.&mt('not graded').'</b></font>';          $nonLinkedText .=' <font color="green"><b>'.&mt('not graded').'</b></font>';
Line 1090  sub render_long_status { Line 1128  sub render_long_status {
         }          }
     }      }
           
     if (($resource->kind() eq "res" &&      if ($resource->kind() eq "res" &&
         ($resource->is_problem() || $resource->is_practice()) &&          $resource->is_raw_problem() &&
         !$firstDisplayed) &&          !$firstDisplayed) {
         $resource->is_raw_problem()) {  
         if ($color) {$result .= "<font color=\"$color\"><b>"; }          if ($color) {$result .= "<font color=\"$color\"><b>"; }
         $result .= getDescription($resource, $part);          $result .= getDescription($resource, $part);
         if ($color) {$result .= "</b></font>"; }          if ($color) {$result .= "</b></font>"; }
     }      }
       if ($resource->is_map()) {
           if (&Apache::lonnet::allowed('mdc')) {
               if ($resource->symb=~/\_\_\_[^\_]+\_\_\_uploaded/) {
                  $result.="&nbsp;<a href='/adm/coursedocs?command=direct&symb=".&escape($resource->symb())."'>".
                                 "<span class='LC_setting'>".&mt("Edit Content").'</span></a>&nbsp;';
               }
           }
       }
     if ($resource->is_map() && &advancedUser() && $resource->randompick()) {      if ($resource->is_map() && &advancedUser() && $resource->randompick()) {
         $result .= &mt('(randomly select [_1])', $resource->randompick());          $result .= &mt('(randomly select [_1])', $resource->randompick());
     }      }
Line 1352  sub render { Line 1397  sub render {
         }          }
     }      }
   
   
     # (re-)Locate the jump point, if any      # (re-)Locate the jump point, if any
     # Note this does not take filtering or hidden into account... need      # Note this does not take filtering or hidden into account... need
     # to be fixed?      # to be fixed?
Line 1604  END Line 1650  END
     $curRes = shift(@resources);      $curRes = shift(@resources);
  } else {   } else {
     $curRes = $it->next($closeAllPages);      $curRes = $it->next($closeAllPages);
   
  }   }
  if (!$curRes) { last; }   if (!$curRes) { last; }
   
Line 1930  sub new { Line 1977  sub new {
     my $proto = shift;      my $proto = shift;
     my $class = ref($proto) || $proto;      my $class = ref($proto) || $proto;
     my $self = {};      my $self = {};
       bless($self); # So we can call change_user if neceesary
   
       $self->{USERNAME} = shift || $env{'user.name'};
       $self->{DOMAIN}   = shift || $env{'user.domain'};
   
   
   
     # Resource cache stores navmap resources as we reference them. We generate      # Resource cache stores navmap resources as we reference them. We generate
     # them on-demand so we don't pay for creating resources unless we use them.      # them on-demand so we don't pay for creating resources unless we use them.
Line 1939  sub new { Line 1992  sub new {
     # failed      # failed
     $self->{NETWORK_FAILURE} = 0;      $self->{NETWORK_FAILURE} = 0;
   
     # tie the nav hash      # We can only tie the nav hash as done below if the username/domain
       # match the env one. Otherwise change_user does everything we need...since we can't
       # assume there are course hashes for the specific requested user@domamin:
       #
   
     my %navmaphash;      if ( ($self->{USERNAME} eq $env{'user.name'}) && ($self->{DOMAIN} eq $env{'user.domain'})) {
     my %parmhash;  
     my $courseFn = $env{"request.course.fn"};   # tie the nav hash
     if (!(tie(%navmaphash, 'GDBM_File', "${courseFn}.db",  
               &GDBM_READER(), 0640))) {   my %navmaphash;
         return undef;   my %parmhash;
     }   my $courseFn = $env{"request.course.fn"};
        if (!(tie(%navmaphash, 'GDBM_File', "${courseFn}.db",
     if (!(tie(%parmhash, 'GDBM_File', "${courseFn}_parms.db",    &GDBM_READER(), 0640))) {
               &GDBM_READER(), 0640)))      return undef;
     {   }
         untie %{$self->{PARM_HASH}};  
         return undef;   if (!(tie(%parmhash, 'GDBM_File', "${courseFn}_parms.db",
     &GDBM_READER(), 0640)))
    {
       untie %{$self->{PARM_HASH}};
       return undef;
    }
   
    $self->{NAV_HASH} = \%navmaphash;
    $self->{PARM_HASH} = \%parmhash;
    $self->{PARM_CACHE} = {};
       } else {
    $self->change_user($self->{USERNAME}, $self->{DOMAIN});
     }      }
   
     $self->{NAV_HASH} = \%navmaphash;      my $d = Data::Dumper->new([$self]);
     $self->{PARM_HASH} = \%parmhash;  
     $self->{PARM_CACHE} = {};  
   
     bless($self);  
           
     return $self;      return $self;
 }  }
   
   #
   #  In some instances it is useful to be able to dynamically change the
   # username/domain associated with a navmap (e.g. to navigate for someone
   # else besides the current user...if sufficiently privileged.
   # Parameters:
   #    user  - New user.
   #    domain- Domain the user belongs to.
   # Implicit inputs:
   #   
   sub change_user {
       my $self = shift;
       $self->{USERNAME} = shift;
       $self->{DOMAIN}   = shift;
   
       # If the hashes are already tied make sure to break that bond:
   
       untie %{$self->{NAV_HASH}}; 
       untie %{$self->{PARM_HASH}};
   
       # The assumption is that we have to
       # use lonmap here to re-read the hash and from it reconstruct
       # new big and parameter hashes.  An implicit assumption at this time
       # is that the course file is probably not created locally yet
       # an that we will therefore just read without tying.
   
       my ($cdom, $cnum) = split(/\_/, $env{'request.course.id'});
   
       my %big_hash;
       &Apache::lonmap::loadmap($cnum, $cdom, $self->{USERNAME}, $self->{DOMAIN}, \%big_hash);
       $self->{NAV_HASH} = \%big_hash;
   
   
   
       # Now clear the parm cache and reconstruct the parm hash fromt he big_hash
       # param.xxxx keys.
   
       $self->{PARM_CACHE} = {};
       
       my %parm_hash = {};
       foreach my $key (keys %big_hash) {
    if ($key =~ /^param\./) {
       my $param_key = $key;
       $param_key =~ s/^param\.//;
       $parm_hash{$param_key} = $big_hash{$key};
    }
       }
   
       $self->{PARM_HASH} = \%parm_hash;
      
   
   
       
   } 
   
 sub generate_course_user_opt {  sub generate_course_user_opt {
     my $self = shift;      my $self = shift;
     if ($self->{COURSE_USER_OPT_GENERATED}) { return; }      if ($self->{COURSE_USER_OPT_GENERATED}) { return; }
   
     my $uname=$env{'user.name'};      my $uname=$self->{USERNAME};
     my $udom=$env{'user.domain'};      my $udom=$self->{DOMAIN};
   
     my $cid=$env{'request.course.id'};      my $cid=$env{'request.course.id'};
     my $cdom=$env{'course.'.$cid.'.domain'};      my $cdom=$env{'course.'.$cid.'.domain'};
     my $cnum=$env{'course.'.$cid.'.num'};      my $cnum=$env{'course.'.$cid.'.num'};
Line 2013  sub generate_email_discuss_status { Line 2131  sub generate_email_discuss_status {
     my $cdom=$env{'course.'.$cid.'.domain'};      my $cdom=$env{'course.'.$cid.'.domain'};
     my $cnum=$env{'course.'.$cid.'.num'};      my $cnum=$env{'course.'.$cid.'.num'};
           
     my %emailstatus = &Apache::lonnet::dump('email_status');      my %emailstatus = &Apache::lonnet::dump('email_status',$self->{DOMAIN},$self->{USERNAME});
     my $logoutTime = $emailstatus{'logout'};      my $logoutTime = $emailstatus{'logout'};
     my $courseLeaveTime = $emailstatus{'logout_'.$env{'request.course.id'}};      my $courseLeaveTime = $emailstatus{'logout_'.$env{'request.course.id'}};
     $self->{LAST_CHECK} = (($courseLeaveTime > $logoutTime) ?      $self->{LAST_CHECK} = (($courseLeaveTime > $logoutTime) ?
Line 2021  sub generate_email_discuss_status { Line 2139  sub generate_email_discuss_status {
     my %discussiontime = &Apache::lonnet::dump('discussiontimes',       my %discussiontime = &Apache::lonnet::dump('discussiontimes', 
        $cdom, $cnum);         $cdom, $cnum);
     my %lastread = &Apache::lonnet::dump('nohist_'.$cid.'_discuss',      my %lastread = &Apache::lonnet::dump('nohist_'.$cid.'_discuss',
                                         $env{'user.domain'},$env{'user.name'},'lastread');                                          $self->{DOMAIN},$self->{USERNAME},'lastread');
     my %lastreadtime = ();      my %lastreadtime = ();
     foreach my $key (keys %lastread) {      foreach my $key (keys %lastread) {
         my $shortkey = $key;          my $shortkey = $key;
Line 2031  sub generate_email_discuss_status { Line 2149  sub generate_email_discuss_status {
   
     my %feedback=();      my %feedback=();
     my %error=();      my %error=();
     my @keys = &Apache::lonnet::getkeys('nohist_email',$env{'user.domain'},      my @keys = &Apache::lonnet::getkeys('nohist_email',$self->{DOMAIN},
  $env{'user.name'});   $self->{USERNAME});
           
     foreach my $msgid (@keys) {      foreach my $msgid (@keys) {
  if ((!$emailstatus{$msgid}) || ($emailstatus{$msgid} eq 'new')) {   if ((!$emailstatus{$msgid}) || ($emailstatus{$msgid} eq 'new')) {
Line 2080  sub get_user_data { Line 2198  sub get_user_data {
   
     # Retrieve performance data on problems      # Retrieve performance data on problems
     my %student_data = Apache::lonnet::currentdump($env{'request.course.id'},      my %student_data = Apache::lonnet::currentdump($env{'request.course.id'},
    $env{'user.domain'},     $self->{DOMAIN},
    $env{'user.name'});     $self->{USERNAME});
     $self->{STUDENT_DATA} = \%student_data;      $self->{STUDENT_DATA} = \%student_data;
   
     $self->{RETRIEVED_USER_DATA} = 1;      $self->{RETRIEVED_USER_DATA} = 1;
Line 2395  sub parmval { Line 2513  sub parmval {
     my $self = shift;      my $self = shift;
     my ($what,$symb,$recurse)=@_;      my ($what,$symb,$recurse)=@_;
     my $hashkey = $what."|||".$symb;      my $hashkey = $what."|||".$symb;
       my $cache = $self->{PARM_CACHE};
     if (defined($self->{PARM_CACHE}->{$hashkey})) {      if (defined($self->{PARM_CACHE}->{$hashkey})) {
         if (ref($self->{PARM_CACHE}->{$hashkey}) eq 'ARRAY') {           if (ref($self->{PARM_CACHE}->{$hashkey}) eq 'ARRAY') { 
             if (defined($self->{PARM_CACHE}->{$hashkey}->[0])) {              if (defined($self->{PARM_CACHE}->{$hashkey}->[0])) {
Line 2432  sub parmval_real { Line 2550  sub parmval_real {
         @cgrps = sort(@cgrps);          @cgrps = sort(@cgrps);
         $cgroup = $cgrps[0];          $cgroup = $cgrps[0];
     }       } 
     my $uname=$env{'user.name'};      my $uname=$self->{USERNAME};
     my $udom=$env{'user.domain'};      my $udom=$self->{DOMAIN};
   
     unless ($symb) { return ['']; }      unless ($symb) { return ['']; }
     my $result='';      my $result='';
Line 2835  sub new { Line 2953  sub new {
     weaken($self->{NAV_MAP} = shift);      weaken($self->{NAV_MAP} = shift);
     return undef unless ($self->{NAV_MAP});      return undef unless ($self->{NAV_MAP});
   
       $self->{USERNAME} = $self->{NAV_MAP}->{USERNAME};
       $self->{DOMAIN}   = $self->{NAV_MAP}->{DOMAIN};
   
     # Handle the parameters      # Handle the parameters
     $self->{FIRST_RESOURCE} = shift || $self->{NAV_MAP}->firstResource();      $self->{FIRST_RESOURCE} = shift || $self->{NAV_MAP}->firstResource();
     $self->{FINISH_RESOURCE} = shift || $self->{NAV_MAP}->finishResource();      $self->{FINISH_RESOURCE} = shift || $self->{NAV_MAP}->finishResource();
Line 2948  sub new { Line 3069  sub new {
     if ($resourceCount == 1 && $resource->is_sequence() && !$self->{FORCE_TOP}) {       if ($resourceCount == 1 && $resource->is_sequence() && !$self->{FORCE_TOP}) { 
         my $firstResource = $resource->map_start();          my $firstResource = $resource->map_start();
         my $finishResource = $resource->map_finish();          my $finishResource = $resource->map_finish();
         return    my $result;
             Apache::lonnavmaps::iterator->new($self->{NAV_MAP}, $firstResource,   my $rdump  = Data::Dumper->new([$result]);
                                               $finishResource, $self->{FILTER},   $result =  Apache::lonnavmaps::iterator->new($self->{NAV_MAP}, $firstResource,
                                               $self->{ALREADY_SEEN},        $finishResource, $self->{FILTER},
                                               $self->{CONDITION},       $self->{ALREADY_SEEN}, 
       $self->{FORCE_TOP});       $self->{CONDITION},
        $self->{FORCE_TOP});
    return $result;
              
                   
     }      }
   
Line 2973  sub new { Line 3097  sub new {
     $self->{ALREADY_SEEN}->{$self->{FIRST_RESOURCE}->{ID}} = 1;      $self->{ALREADY_SEEN}->{$self->{FIRST_RESOURCE}->{ID}} = 1;
   
     bless ($self);      bless ($self);
       my $selfDump = Data::Dumper->new([$self]);
   
     return $self;      return $self;
 }  }
Line 2988  sub next { Line 3113  sub next {
     # do so.      # do so.
     if ($self->{RETURN_0} && !$self->{HAVE_RETURNED_0}) {      if ($self->{RETURN_0} && !$self->{HAVE_RETURNED_0}) {
         $self->{HAVE_RETURNED_0} = 1;          $self->{HAVE_RETURNED_0} = 1;
    my $nextTopLevel = $self->{NAV_MAP}->getById('0.0');
   
         return $self->{NAV_MAP}->getById('0.0');          return $self->{NAV_MAP}->getById('0.0');
     }      }
     if ($self->{RETURN_0} && !$self->{HAVE_RETURNED_0_BEGIN_MAP}) {      if ($self->{RETURN_0} && !$self->{HAVE_RETURNED_0_BEGIN_MAP}) {
Line 3007  sub next { Line 3134  sub next {
         if ($self->{RECURSIVE_DEPTH} == 0) {          if ($self->{RECURSIVE_DEPTH} == 0) {
             $self->{RECURSIVE_ITERATOR_FLAG} = 0;              $self->{RECURSIVE_ITERATOR_FLAG} = 0;
         }          }
   
         return $next;          return $next;
     }      }
   
     if (defined($self->{FORCE_NEXT})) {      if (defined($self->{FORCE_NEXT})) {
         my $tmp = $self->{FORCE_NEXT};          my $tmp = $self->{FORCE_NEXT};
         $self->{FORCE_NEXT} = undef;          $self->{FORCE_NEXT} = undef;
   
         return $tmp;          return $tmp;
     }      }
   
Line 3083  sub next { Line 3210  sub next {
     # So we need to look at all the resources we can get to from here,      # So we need to look at all the resources we can get to from here,
     # categorize them if we haven't seen them, remember if we have a new      # categorize them if we haven't seen them, remember if we have a new
     my $nextUnfiltered = $here->getNext();      my $nextUnfiltered = $here->getNext();
   
   
     my $maxDepthAdded = -1;      my $maxDepthAdded = -1;
           
     for (@$nextUnfiltered) {      for (@$nextUnfiltered) {
Line 3116  sub next { Line 3245  sub next {
         $self->{RECURSIVE_ITERATOR_FLAG} = 1;          $self->{RECURSIVE_ITERATOR_FLAG} = 1;
         my $firstResource = $self->{HERE}->map_start();          my $firstResource = $self->{HERE}->map_start();
         my $finishResource = $self->{HERE}->map_finish();          my $finishResource = $self->{HERE}->map_finish();
   
         $self->{RECURSIVE_ITERATOR} =           $self->{RECURSIVE_ITERATOR} = 
             Apache::lonnavmaps::iterator->new($self->{NAV_MAP}, $firstResource,              Apache::lonnavmaps::iterator->new($self->{NAV_MAP}, $firstResource,
                                               $finishResource, $self->{FILTER},                                                $finishResource, $self->{FILTER},
Line 3134  sub next { Line 3262  sub next {
         return $self->next($closeAllPages);          return $self->next($closeAllPages);
     }      }
   
       my $hereResource = $self->{HERE};
   
     return $self->{HERE};      return $self->{HERE};
   
 }  }
Line 3208  sub new { Line 3338  sub new {
     weaken($self->{NAV_MAP} = shift);      weaken($self->{NAV_MAP} = shift);
     return undef unless ($self->{NAV_MAP});      return undef unless ($self->{NAV_MAP});
   
       $self->{USERNAME} = $self->{NAV_MAP}->{USERNAME};
       $self->{DOMAIN}   = $self->{NAV_MAP}->{DOMAIN};
   
     $self->{FIRST_RESOURCE} = shift || $self->{NAV_MAP}->firstResource();      $self->{FIRST_RESOURCE} = shift || $self->{NAV_MAP}->firstResource();
     $self->{FINISH_RESOURCE} = shift || $self->{NAV_MAP}->finishResource();      $self->{FINISH_RESOURCE} = shift || $self->{NAV_MAP}->finishResource();
   
Line 3297  sub next { Line 3430  sub next {
     my $nextUnfiltered;      my $nextUnfiltered;
     if ($self->{DIRECTION} == FORWARD()) {      if ($self->{DIRECTION} == FORWARD()) {
         $nextUnfiltered = $self->{HERE}->getNext();          $nextUnfiltered = $self->{HERE}->getNext();
   
     } else {      } else {
         $nextUnfiltered = $self->{HERE}->getPrevious();          $nextUnfiltered = $self->{HERE}->getPrevious();
     }      }
Line 3444  sub new { Line 3578  sub new {
     weaken($self->{NAV_MAP} = shift);      weaken($self->{NAV_MAP} = shift);
     $self->{ID} = shift;      $self->{ID} = shift;
   
       $self->{USERNAME} = $self->{NAV_MAP}->{USERNAME};
       $self->{DOMAIN}   = $self->{NAV_MAP}->{DOMAIN};
   
     # Store this new resource in the parent nav map's cache.      # Store this new resource in the parent nav map's cache.
     $self->{NAV_MAP}->{RESOURCE_CACHE}->{$self->{ID}} = $self;      $self->{NAV_MAP}->{RESOURCE_CACHE}->{$self->{ID}} = $self;
     $self->{RESOURCE_ERROR} = 0;      $self->{RESOURCE_ERROR} = 0;
Line 3707  sub is_practice { Line 3844  sub is_practice {
 sub is_problem {  sub is_problem {
     my $self=shift;      my $self=shift;
     my $src = $self->src();      my $src = $self->src();
     if ($src =~ /\.(problem|exam|quiz|assess|survey|form|library|task)$/) {      if ($src =~ /$LONCAPA::assess_re/) {
  return !($self->is_practice());   return !($self->is_practice());
     }      }
     return 0;      return 0;
Line 3730  my %incomplete_hash = Line 3867  my %incomplete_hash =
 sub is_incomplete {  sub is_incomplete {
     my $self = shift;      my $self = shift;
     if ($self->is_problem()) {      if ($self->is_problem()) {
  &Apache::lonnet::logthis('is problem');  
  foreach my $part (@{$self->parts()}) {   foreach my $part (@{$self->parts()}) {
     &Apache::lonnet::logthis("$part status ".$self->status($part));  
     if (exists($incomplete_hash{$self->status($part)})) {      if (exists($incomplete_hash{$self->status($part)})) {
  return 1;   return 1;
     }      }
Line 3744  sub is_incomplete { Line 3879  sub is_incomplete {
 sub is_raw_problem {  sub is_raw_problem {
     my $self=shift;      my $self=shift;
     my $src = $self->src();      my $src = $self->src();
     if ($src =~ /\.(problem|exam|quiz|assess|survey|form|library|task)$/) {      if ($src =~ /$LONCAPA::assess_re/) {
         return 1;          return 1;
     }      }
     return 0;      return 0;
Line 3917  their code.) Line 4052  their code.)
   
 =over 4  =over 4
   
 =item * B<acc>:  =item * B<printable>
   
   returns true if the current date is such that the 
   specified resource part is printable.
   
   =item * B<resprintable>
   
   Returns true if all parts in the resource are printable making the
   entire resource printable.
   
   =item * B<acc>
   
 Get the Client IP/Name Access Control information.  Get the Client IP/Name Access Control information.
   
Line 3970  Get the weight for the problem. Line 4115  Get the weight for the problem.
   
 =cut  =cut
   
   sub printable {
   
       my ($self, $part) = @_;
   
       # Get the print open/close dates for the resource.
   
       my $start = $self->parmval("prinstartdate", $part);
       my $end   = $self->parmval("printenddate", $part);
   
       #  The following cases apply:
       #  - No dates set: Printable.
       #  - Start date set but no end date: Printable if now >= start date.
       #  - End date set but no start date: Printable if now <= end date.
       #  - both defined: printable if start <= now <= end
       #
       my $now  = time();
   
       my $startok = 1;
       my $endok   = 1;
   
       if ((defined $start) && ($start ne '')) {
    $startok = $start <= $now;
       }
       if ((defined $end) && ($end != '')) {
    $endok = $end >= $now;
       }
       return $startok && $endok;
   }
   
   sub resprintable {
       my $self = shift;
   
       # get parts...or realize there are no parts.
   
       my $partsref = $self->parts();
       my @parts    = @$partsref;
   
       if ((!defined(@parts)) || (scalar(@parts) == 0)) {
    return $self->printable(0);
       } else {
    foreach my $part  (@parts) {
       if (!$self->printable($part)) { 
    return 0; 
       }
    }
    return 1;
       }
   }
   
 sub acc {  sub acc {
     (my $self, my $part) = @_;      (my $self, my $part) = @_;
     my $acc = $self->parmval("acc", $part);      my $acc = $self->parmval("acc", $part);
Line 4022  sub checkedin { Line 4216  sub checkedin {
     }      }
 }  }
 # this should work exactly like the copy in lonhomework.pm  # this should work exactly like the copy in lonhomework.pm
   # Why is there a copy in lonhomework?  Why not centralized?
   #
   #  TODO: Centralize duedate.
   #
   
 sub duedate {  sub duedate {
     (my $self, my $part) = @_;      (my $self, my $part) = @_;
     my $date;      my $date;
Line 4101  sub weight { Line 4300  sub weight {
     my $self = shift; my $part = shift;      my $self = shift; my $part = shift;
     if (!defined($part)) { $part = '0'; }      if (!defined($part)) { $part = '0'; }
     my $weight = &Apache::lonnet::EXT('resource.'.$part.'.weight',      my $weight = &Apache::lonnet::EXT('resource.'.$part.'.weight',
                                 $self->symb(), $env{'user.domain'},                                  $self->symb(), $self->{DOMAIN},
                                 $env{'user.name'},                                  $self->{USERNAME},
                                 $env{'request.course.sec'});                                  $env{'request.course.sec'});
     return $weight;      return $weight;
 }  }
Line 4130  sub getReturnHash { Line 4329  sub getReturnHash {
     my $self = shift;      my $self = shift;
           
     if (!defined($self->{RETURN_HASH})) {      if (!defined($self->{RETURN_HASH})) {
         my %tmpHash  = &Apache::lonnet::restore($self->symb());          my %tmpHash  = &Apache::lonnet::restore($self->symb(),undef,$self->{DOMAIN},$self->{USERNAME});
         $self->{RETURN_HASH} = \%tmpHash;          $self->{RETURN_HASH} = \%tmpHash;
     }      }
 }         }       
Line 4955  sub check_for_slot { Line 5154  sub check_for_slot {
                 my $taskstatus = $self->taskstatus();                  my $taskstatus = $self->taskstatus();
                 $is_correct = (($taskstatus eq 'pass') ||                   $is_correct = (($taskstatus eq 'pass') || 
                                ($self->solved() =~ /^correct_/));                                 ($self->solved() =~ /^correct_/));
                 $got_grade = ($self->solved() =~ /^(?:pass|fail)$/);                  $got_grade = ($taskstatus =~ /^(?:pass|fail)$/);
             } else {              } else {
                 $got_grade = 1;                  $got_grade = 1;
                 $is_correct = ($self->solved() =~ /^correct_/);                     $is_correct = ($self->solved() =~ /^correct_/);   
Removed from v.1.452  
changed lines
  Added in v.1.470

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