Diff for /loncom/interface/lonnavmaps.pm between versions 1.477 and 1.501

version 1.477, 2011/12/25 20:41:53 version 1.501, 2014/05/30 13:48:39
Line 164  If true, the resource's folder will not Line 164  If true, the resource's folder will not
 it. Default is false. True implies printCloseAll is false, since you  it. Default is false. True implies printCloseAll is false, since you
 can't close or open folders when this is on anyhow.  can't close or open folders when this is on anyhow.
   
   =item * B<map_no_edit_link>:
   
   If true, the title of the folder or page will not be followed by an
   icon/link to direct editing of a folder or composite page, originally
   added via the Course Editor.
   
 =back  =back
   
 =item * B<Apache::lonnavmaps::communication_status>:  =item * B<Apache::lonnavmaps::communication_status>:
Line 225  automatically. Line 231  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 484  use POSIX qw (floor strftime); Line 490  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();
   use HTML::Entities;
   
 # For debugging  # For debugging
   
 # use Data::Dumper;  #use Data::Dumper;
   
   
 # symbolic constants  # symbolic constants
Line 612  sub getDescription { Line 619  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 == $res->NOTHING_SET) {
         return &Apache::lonhtmlcommon::direct_parm_link(&mt("Not currently assigned.",$res->symb(),'opendate'),$part);          return &Apache::lonhtmlcommon::direct_parm_link(&mt('Not currently assigned'),$res->symb(),'opendate',$part);
     }      }
     if ($status == $res->OPEN_LATER) {      if ($status == $res->OPEN_LATER) {
         return &mt("Open [_1]",&Apache::lonhtmlcommon::direct_parm_link(&timeToHumanString($open,'start'),$res->symb(),'opendate',$part));          return &mt("Open [_1]",&Apache::lonhtmlcommon::direct_parm_link(&timeToHumanString($open,'start'),$res->symb(),'opendate',$part));
Line 691  sub getDescription { Line 698  sub getDescription {
         my $maxtries = $res->maxtries($part);          my $maxtries = $res->maxtries($part);
         my $triesString = "";          my $triesString = "";
         if ($tries && $maxtries) {          if ($tries && $maxtries) {
             $triesString = '<font size="-1"><i>('.&mt('[_1] of [quant,_2,try,tries] used',$tries,$maxtries).')</i></font>';              $triesString = '<span class="LC_fontsize_medium"><i>('.&mt('[_1] of [quant,_2,try,tries] used',$tries,$maxtries).')</i></span>';
             if ($maxtries > 1 && $maxtries - $tries == 1) {              if ($maxtries > 1 && $maxtries - $tries == 1) {
                 $triesString = "<b>$triesString</b>";                  $triesString = "<b>$triesString</b>";
             }              }
Line 980  sub render_resource { Line 987  sub render_resource {
         }          }
         if ((&Apache::lonnet::allowed('mdc',$env{'request.course.id'})) &&          if ((&Apache::lonnet::allowed('mdc',$env{'request.course.id'})) &&
             ($resource->symb=~/\_\_\_[^\_]+\_\_\_uploaded/)) {              ($resource->symb=~/\_\_\_[^\_]+\_\_\_uploaded/)) {
             my $icon = &Apache::loncommon::lonhttpdurl('/res/adm/pages').'/editmap.png';              if (!$params->{'map_no_edit_link'}) {
             $editmapLink='&nbsp;'.                  my $icon = &Apache::loncommon::lonhttpdurl('/res/adm/pages').'/editmap.png';
                          '<a href="/adm/coursedocs?command=direct&symb='.&escape($resource->symb()).'">'.                  $editmapLink='&nbsp;'.
                            '<a href="/adm/coursedocs?command=directnav&amp;symb='.&escape($resource->symb()).'">'.
                          '<img src="'.$icon.'" alt="'.&mt('Edit Content').'" title="'.&mt('Edit Content').'" />'.                           '<img src="'.$icon.'" alt="'.&mt('Edit Content').'" title="'.&mt('Edit Content').'" />'.
                          '</a>';                           '</a>';
               }
         }          }
     }      }
   
Line 995  sub render_resource { Line 1004  sub render_resource {
         $nonLinkedText .= ' <span class="LC_info">('.&mt('conditionally hidden').')</span> ';          $nonLinkedText .= ' <span class="LC_info">('.&mt('conditionally hidden').')</span> ';
     }      }
     if (($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 .=' <span class="LC_info"><b>'.&mt('not graded').'</b></span>';
     }      }
   
     # We're done preparing and finally ready to start the rendering      # We're done preparing and finally ready to start the rendering
Line 1039  sub render_resource { Line 1048  sub render_resource {
     }      }
   
     if (!$params->{'resource_nolink'} && !$resource->is_sequence() && !$resource->is_empty_sequence) {      if (!$params->{'resource_nolink'} && !$resource->is_sequence() && !$resource->is_empty_sequence) {
         $result .= "$curMarkerBegin<a href=\"$link\">$title$partLabel</a>$curMarkerEnd$nonLinkedText</td>";          $result .= "$curMarkerBegin<a href=\"$link\">$title$partLabel</a>$curMarkerEnd$editmapLink$nonLinkedText</td>";
     } else {      } else {
         $result .= "$curMarkerBegin$linkopen$title$partLabel</a>$curMarkerEnd$editmapLink$nonLinkedText</td>";          $result .= "$curMarkerBegin$linkopen$title$partLabel</a>$curMarkerEnd$editmapLink$nonLinkedText</td>";
     }      }
Line 1128  sub render_long_status { Line 1137  sub render_long_status {
         $params->{'multipart'} && $part eq "0";          $params->{'multipart'} && $part eq "0";
                                   
     my $color;      my $color;
       my $info = '';
     if ($resource->is_problem() || $resource->is_practice()) {      if ($resource->is_problem() || $resource->is_practice()) {
         $color = $colormap{$resource->status};          $color = $colormap{$resource->status};
                   
         if (dueInLessThan24Hours($resource, $part) ||          if (dueInLessThan24Hours($resource, $part) ||
             lastTry($resource, $part)) {              lastTry($resource, $part)) {
             $color = $hurryUpColor;              $color = $hurryUpColor;
               $info = ' title="'.&mt('Due in less than 24 hours!').'"';
         }          }
     }      }
           
     if ($resource->kind() eq "res" &&      if ($resource->kind() eq "res" &&
         $resource->is_raw_problem() &&          $resource->is_raw_problem() &&
         !$firstDisplayed) {          !$firstDisplayed) {
         if ($color) {$result .= "<font color=\"$color\"><b>"; }          if ($color) {$result .= '<span style="color:'.$color.'"'.$info.'><b>'; }
         $result .= getDescription($resource, $part);          $result .= getDescription($resource, $part);
         if ($color) {$result .= "</b></font>"; }          if ($color) {$result .= "</b></span>"; }
     }      }
     if ($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 1224  sub render_parts_summary_status { Line 1235  sub render_parts_summary_status {
     }      }
     $return.= $td . $totalParts . ' parts: ';      $return.= $td . $totalParts . ' parts: ';
     foreach my $status (@statuses) {      foreach my $status (@statuses) {
  if ($overallstatus{$status}) {          if ($overallstatus{$status}) {
     $return.="<font color='" . $statusColors{$status} .              $return.='<span style="color:' . $statusColors{$status}
  "'>" . $overallstatus{$status} . ' '                     . '">' . $overallstatus{$status} . ' '
  . $statusStrings{$status} . "</font>";                     . $statusStrings{$status} . '</span>';
  }          }
     }      }
     $return.= $endtd;      $return.= $endtd;
     return $return;      return $return;
Line 1398  sub render { Line 1409  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 1466  sub render { Line 1476  sub render {
             $link .= '&amp;register='.$env{'form.register'};              $link .= '&amp;register='.$env{'form.register'};
         }          }
  if ($args->{'caller'} eq 'navmapsdisplay') {   if ($args->{'caller'} eq 'navmapsdisplay') {
     &add_linkitem($args->{'linkitems'},'changefolder',              unless ($args->{'notools'}) {
   "location.href='$link'",$text);                  &add_linkitem($args->{'linkitems'},'changefolder',
                                 "location.href='$link'",$text);
               }
  } else {   } else {
     $result.= '<a href="'.$link.'">'.&mt($text).'</a>';      $result.= '<a href="'.$link.'">'.&mt($text).'</a>';
  }   }
Line 1475  sub render { Line 1487  sub render {
     }      }
   
     # Check for any unread discussions in all resources.      # Check for any unread discussions in all resources.
     if ($args->{'caller'} eq 'navmapsdisplay') {      if (($args->{'caller'} eq 'navmapsdisplay') && (!$args->{'notools'})) {
  &add_linkitem($args->{'linkitems'},'clearbubbles',   &add_linkitem($args->{'linkitems'},'clearbubbles',
       'document.clearbubbles.submit()',        'document.clearbubbles.submit()',
       'Mark all posts read');        'Mark all posts read');
  my $time=time;   my $time=time;
           my $querystr = &HTML::Entities::encode($ENV{'QUERY_STRING'},'<>&"');
  $result .= (<<END);   $result .= (<<END);
     <form name="clearbubbles" method="post" action="/adm/feedback">      <form name="clearbubbles" method="post" action="/adm/feedback">
  <input type="hidden" name="navurl" value="$ENV{'QUERY_STRING'}" />   <input type="hidden" name="navurl" value="$querystr" />
  <input type="hidden" name="navtime" value="$time" />   <input type="hidden" name="navtime" value="$time" />
 END  END
         if ($env{'form.register'}) {          if ($env{'form.register'}) {
Line 1507  END Line 1520  END
             }              }
  }   }
  $result.='</form>';   $result.='</form>';
         if (&Apache::lonnet::allowed('mdc',$env{'request.course.id'})) {      }
             my $cdom = $env{'course.'.$env{'request.course.id'}.'.domain'};      if (($args->{'caller'} eq 'navmapsdisplay') &&
             my $cnum = $env{'course.'.$env{'request.course.id'}.'.num'};          (&Apache::lonnet::allowed('mdc',$env{'request.course.id'}))) {
             if ($env{'course.'.$env{'request.course.id'}.'.url'} eq           my $cdom = $env{'course.'.$env{'request.course.id'}.'.domain'};
                 "uploaded/$cdom/$cnum/default.sequence") {          my $cnum = $env{'course.'.$env{'request.course.id'}.'.num'};
                 &add_linkitem($args->{'linkitems'},'edittoplevel',          if ($env{'course.'.$env{'request.course.id'}.'.url'} eq 
                               "javascript:gocmd('/adm/coursedocs','editdocs');",              "uploaded/$cdom/$cnum/default.sequence") {
                               'Content Editor');              &add_linkitem($args->{'linkitems'},'edittoplevel',
             }                            "javascript:gocmd('/adm/coursedocs','editdocs');",
                             'Content Editor');
         }          }
     }      }
   
Line 1652  END Line 1666  END
     $curRes = shift(@resources);      $curRes = shift(@resources);
  } else {   } else {
     $curRes = $it->next($closeAllPages);      $curRes = $it->next($closeAllPages);
   
  }   }
  if (!$curRes) { last; }   if (!$curRes) { last; }
   
Line 1824  END Line 1837  END
     }      }
  }   }
     }      }
   
       $result.=&Apache::loncommon::end_data_table();
           
     # Print out the part that jumps to #curloc if it exists      # Print out the part that jumps to #curloc if it exists
     # delay needed because the browser is processing the jump before      # delay needed because the browser is processing the jump before
Line 1840  if (location.href.indexOf('#curloc')==-1 Line 1855  if (location.href.indexOf('#curloc')==-1
 ");  ");
     }      }
   
     $result.=&Apache::loncommon::end_data_table();  
   
     if ($r) {      if ($r) {
         $r->print($result);          $r->print($result);
         $result = "";          $result = "";
Line 1859  sub add_linkitem { Line 1872  sub add_linkitem {
   
 sub show_linkitems_toolbar {  sub show_linkitems_toolbar {
     my ($args,$condition) = @_;      my ($args,$condition) = @_;
     my $result =      my $result;
         '<table><tr><td>'.  
         &Apache::loncommon::help_open_menu('Navigation Screen','Navigation_Screen',undef,'RAT').  
         '</td>'.  
         '<td>&nbsp;</td>'.  
         '<td class="LC_middle">'.&mt('Tools:').'</td>';  
     if (ref($args) eq 'HASH') {      if (ref($args) eq 'HASH') {
         if (ref($args->{'linkitems'}) eq 'HASH') {          if (ref($args->{'linkitems'}) eq 'HASH') {
               my $numlinks = scalar(keys(%{$args->{'linkitems'}}));
               if ($numlinks > 1) {
                   $result = '<td>'.
                             &Apache::loncommon::help_open_menu('Navigation Screen','Navigation_Screen',
                                                                undef,'RAT').
                             '</td>'.
                             '<td>&nbsp;</td>'.
                             '<td class="LC_middle">'.&mt('Tools:').'</td>';
               }
               $result .= '<td align="left">'."\n".
                          '<ul id="LC_toolbar">';
             my @linkorder = ('firsthomework','everything','uncompleted',              my @linkorder = ('firsthomework','everything','uncompleted',
                              'changefolder','clearbubbles','edittoplevel');                               'changefolder','clearbubbles','edittoplevel');
             $result .='<td align="left">'."\n".  
                       '<span class="LC_nobreak">'."\n".  
                       '<ul id="LC_toolbar">';  
             foreach my $link (@linkorder) {              foreach my $link (@linkorder) {
                 my $link_id = 'LC_content_toolbar_'.$link;  
                 if (ref($args->{'linkitems'}{$link}) eq 'HASH') {                  if (ref($args->{'linkitems'}{$link}) eq 'HASH') {
                     if ($args->{'linkitems'}{$link}{'text'} ne '') {                      if ($args->{'linkitems'}{$link}{'text'} ne '') {
                         $args->{'linkitems'}{$link}{'cmd'}=~s/"/'/g;                          $args->{'linkitems'}{$link}{'cmd'}=~s/"/'/g;
                         if ($args->{'linkitems'}{$link}{'cmd'}) {                          if ($args->{'linkitems'}{$link}{'cmd'}) {
                               my $link_id = 'LC_content_toolbar_'.$link;
                             if ($link eq 'changefolder') {                              if ($link eq 'changefolder') {
                                 if ($condition) {                                  if ($condition) {
                                     $link_id='LC_content_toolbar_changefolder_toggled';                                      $link_id='LC_content_toolbar_changefolder_toggled';
Line 1896  sub show_linkitems_toolbar { Line 1912  sub show_linkitems_toolbar {
                 }                  }
             }              }
             $result .= '</ul>'.              $result .= '</ul>'.
                        '</span></td>'."\n";                         '</td>';
               if (($numlinks==1) && (exists($args->{'linkitems'}{'edittoplevel'}))) {
                   $result .= '<td><a href="'.$args->{'linkitems'}{'edittoplevel'}{'cmd'}.'">'.
                              &mt('Content Editor').'</a></td>';
               }
         }          }
         if ($args->{'sort_html'}) {          if ($args->{'sort_html'}) {
             $result .= '<td>&nbsp;</td><td>&nbsp;</td><td>&nbsp;</td>'.              $result .= '<td>&nbsp;</td><td>&nbsp;</td><td>&nbsp;</td>'.
                        '<td align="right">'.$args->{'sort_html'}.'</td>';                         '<td align="right">'.$args->{'sort_html'}.'</td>';
         }          }
     }      }
     $result .= '</tr></table>';      if ($result) {
           $result = "<table><tr>$result</tr></table>";
       }
     return $result;      return $result;
 }  }
   
Line 1993  sub new { Line 2015  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      bless($self); # So we can call change_user if necessary
   
     $self->{USERNAME} = shift || $env{'user.name'};      $self->{USERNAME} = shift || $env{'user.name'};
     $self->{DOMAIN}   = shift || $env{'user.domain'};      $self->{DOMAIN}   = shift || $env{'user.domain'};
       $self->{CODE}     = shift;
       $self->{NOHIDE} = shift;
   
   
   
Line 2010  sub new { Line 2034  sub new {
   
     # We can only tie the nav hash as done below if the username/domain      # 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      # 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:      # assume there are course hashes for the specific requested user:domain
       # Note: change_user is also called if we need the nav hash when printing CODEd 
       # assignments or printing an exam, in which the enclosing folder for the items in
       # the exam has hidden set.
     #      #
   
     if ( ($self->{USERNAME} eq $env{'user.name'}) && ($self->{DOMAIN} eq $env{'user.domain'})) {      if (($self->{USERNAME} eq $env{'user.name'}) && ($self->{DOMAIN} eq $env{'user.domain'}) &&
            !$self->{CODE} && !$self->{NOHIDE}) {
   
  # tie the nav hash   # tie the nav hash
   
Line 2036  sub new { Line 2064  sub new {
  $self->{PARM_HASH} = \%parmhash;   $self->{PARM_HASH} = \%parmhash;
  $self->{PARM_CACHE} = {};   $self->{PARM_CACHE} = {};
     } else {      } else {
  $self->change_user($self->{USERNAME}, $self->{DOMAIN});   $self->change_user($self->{USERNAME}, $self->{DOMAIN},  $self->{CODE}, $self->{NOHIDE});
     }      }
   
     my $d = Data::Dumper->new([$self]);  
   
     return $self;      return $self;
 }  }
   
Line 2051  sub new { Line 2077  sub new {
 # Parameters:  # Parameters:
 #    user  - New user.  #    user  - New user.
 #    domain- Domain the user belongs to.  #    domain- Domain the user belongs to.
   #    code  - Anonymous CODE in use.
 # Implicit inputs:  # Implicit inputs:
 #     #   
 sub change_user {  sub change_user {
     my $self = shift;      my $self = shift;
     $self->{USERNAME} = shift;      $self->{USERNAME} = shift;
     $self->{DOMAIN}   = shift;      $self->{DOMAIN}   = shift;
       $self->{CODE}     = shift;
       $self->{NOHIDE}   = shift;
   
     # If the hashes are already tied make sure to break that bond:      # If the hashes are already tied make sure to break that bond:
   
Line 2072  sub change_user { Line 2101  sub change_user {
     my ($cdom, $cnum) = split(/\_/, $env{'request.course.id'});      my ($cdom, $cnum) = split(/\_/, $env{'request.course.id'});
   
     my %big_hash;      my %big_hash;
     &Apache::lonmap::loadmap($cnum, $cdom, $self->{USERNAME}, $self->{DOMAIN}, \%big_hash);      &Apache::lonmap::loadmap($cnum, $cdom, $self->{USERNAME}, $self->{DOMAIN}, $self->{CODE}, $self->{NOHIDE}, \%big_hash);
     $self->{NAV_HASH} = \%big_hash;      $self->{NAV_HASH} = \%big_hash;
   
   
Line 2092  sub change_user { Line 2121  sub change_user {
     }      }
   
     $self->{PARM_HASH} = \%parm_hash;      $self->{PARM_HASH} = \%parm_hash;
      
   
   
       }
 }   
   
 sub generate_course_user_opt {  sub generate_course_user_opt {
     my $self = shift;      my $self = shift;
Line 2138  sub generate_course_user_opt { Line 2164  sub generate_course_user_opt {
     return;      return;
 }  }
   
   
   
 sub generate_email_discuss_status {  sub generate_email_discuss_status {
     my $self = shift;      my $self = shift;
     my $symb = shift;      my $symb = shift;
Line 2551  sub parmval { Line 2579  sub parmval {
     return $result->[0];      return $result->[0];
 }  }
   
   
 sub parmval_real {  sub parmval_real {
     my $self = shift;      my $self = shift;
     my ($what,$symb,$recurse) = @_;      my ($what,$symb,$recurse) = @_;
   
   
     # Make sure the {USER_OPT} and {COURSE_OPT} hashes are populated      # Make sure the {USER_OPT} and {COURSE_OPT} hashes are populated
     $self->generate_course_user_opt();      $self->generate_course_user_opt();
   
Line 2583  sub parmval_real { Line 2613  sub parmval_real {
     my $mapparm=$mapname.'___(all).'.$what;      my $mapparm=$mapname.'___(all).'.$what;
     my $usercourseprefix=$cid;      my $usercourseprefix=$cid;
   
   
   
     my $grplevel=$usercourseprefix.'.['.$cgroup.'].'.$what;      my $grplevel=$usercourseprefix.'.['.$cgroup.'].'.$what;
     my $grplevelr=$usercourseprefix.'.['.$cgroup.'].'.$symbparm;      my $grplevelr=$usercourseprefix.'.['.$cgroup.'].'.$symbparm;
     my $grplevelm=$usercourseprefix.'.['.$cgroup.'].'.$mapparm;      my $grplevelm=$usercourseprefix.'.['.$cgroup.'].'.$mapparm;
   
   
     my $seclevel= $usercourseprefix.'.['.$csec.'].'.$what;      my $seclevel= $usercourseprefix.'.['.$csec.'].'.$what;
     my $seclevelr=$usercourseprefix.'.['.$csec.'].'.$symbparm;      my $seclevelr=$usercourseprefix.'.['.$csec.'].'.$symbparm;
     my $seclevelm=$usercourseprefix.'.['.$csec.'].'.$mapparm;      my $seclevelm=$usercourseprefix.'.['.$csec.'].'.$mapparm;
   
   
     my $courselevel= $usercourseprefix.'.'.$what;      my $courselevel= $usercourseprefix.'.'.$what;
     my $courselevelr=$usercourseprefix.'.'.$symbparm;      my $courselevelr=$usercourseprefix.'.'.$symbparm;
     my $courselevelm=$usercourseprefix.'.'.$mapparm;      my $courselevelm=$usercourseprefix.'.'.$mapparm;
   
   
     my $useropt = $self->{USER_OPT};      my $useropt = $self->{USER_OPT};
     my $courseopt = $self->{COURSE_OPT};      my $courseopt = $self->{COURSE_OPT};
     my $parmhash = $self->{PARM_HASH};      my $parmhash = $self->{PARM_HASH};
Line 2661  sub parmval_real { Line 2696  sub parmval_real {
     if (defined($pack_def)) { return [$pack_def,'resource']; }      if (defined($pack_def)) { return [$pack_def,'resource']; }
     return [''];      return [''];
 }  }
   #
   #  Determines the open/close dates for printing a map that
   #  encloses a resource.
   #
   sub map_printdates {
       my ($self, $res, $part) = @_;
   
   
   
   
   
       my $opendate = $self->get_mapparam($res->symb(), "$part.printstartdate");
       my $closedate= $self->get_mapparam($res->symb(), "$part.printenddate");
   
   
       return ($opendate, $closedate);
   }
   
   sub get_mapparam {
       my ($self, $symb, $what) = @_;
   
       # Ensure the course option hash is populated:
   
       $self->generate_course_user_opt();
   
       # Get the course id and section if there is one.
   
       my $cid=$env{'request.course.id'};
       my $csec=$env{'request.course.sec'};
       my $cgroup='';
       my @cgrps=split(/:/,$env{'request.course.groups'});
       if (@cgrps > 0) {
           @cgrps = sort(@cgrps);
           $cgroup = $cgrps[0];
       } 
       my $uname=$self->{USERNAME};
       my $udom=$self->{DOMAIN};
   
       unless ($symb) { return ['']; }
       my $result='';
   
   
       # Figure out which map we are in.
   
       my ($mapname,$id,$fn)=&Apache::lonnet::decode_symb($symb);
       $mapname = &Apache::lonnet::deversion($mapname);
   
   
       my $rwhat=$what;
       $what=~s/^parameter\_//;
       $what=~s/\_/\./;
   
       # Build the hash keys for the lookup:
   
       my $symbparm=$symb.'.'.$what;
       my $mapparm=$mapname.'___(all).'.$what;
       my $usercourseprefix=$cid;
   
   
       my $grplevel    = "$usercourseprefix.[$cgroup].$mapparm";
       my $seclevel    = "$usercourseprefix.[$csec].$mapparm";
       my $courselevel = "$usercourseprefix.$mapparm";
   
   
       # Get handy references to the hashes we need in $self:
   
       my $useropt = $self->{USER_OPT};
       my $courseopt = $self->{COURSE_OPT};
       my $parmhash = $self->{PARM_HASH};
   
       # Check per user 
   
   
   
       if ($uname and defined($useropt)) {
    if (defined($$useropt{$courselevel})) {
       return $$useropt{$courselevel};
    }
       }
   
       # Check course -- group
   
   
   
       if ($cgroup ne '' and defined ($courseopt)) {
    if (defined($$courseopt{$grplevel})) {
       return $$courseopt{$grplevel};
    }
       }
   
       # Check course -- section
   
   
   
   
   
       if ($csec and defined($courseopt)) {
    if (defined($$courseopt{$seclevel})) {
       return $$courseopt{$seclevel};
    }
       }
       # Check the map parameters themselves:
   
       my $thisparm = $$parmhash{$symbparm};
       if (defined($thisparm)) {
    return $thisparm;
       }
   
   
       # Additional course parameters:
   
       if (defined($courseopt)) {
    if (defined($$courseopt{$courselevel})) {
       return $$courseopt{$courselevel};
    }
       }
       return undef; # Unefined if we got here.
   }
   
   sub course_printdates {
       my ($self, $symb,  $part) = @_;
   
   
       my $opendate  = $self->getcourseparam($symb, $part . '.printstartdate');
       my $closedate = $self->getcourseparam($symb, $part . '.printenddate');
       return ($opendate, $closedate);
   
   }
   
   sub getcourseparam {
       my ($self, $symb, $what) = @_;
   
       $self->generate_course_user_opt(); # If necessary populate the hashes.
   
       my $uname = $self->{USERNAME};
       my $udom  = $self->{DOMAIN};
       
       # Course, section, group ids come from the env:
   
       my $cid   = $env{'request.course.id'};
       my $csec  = $env{'request.course.sec'};
       my $cgroup = ''; # Assume no group
   
       my @cgroups = split(/:/, $env{'request.course.groups'});
       if(@cgroups > 0) {
    @cgroups = sort(@cgroups);
    $cgroup  = $cgroups[0]; # There is a course group. 
      }
       my ($mapname,$id,$fn)=&Apache::lonnet::decode_symb($symb);
       $mapname = &Apache::lonnet::deversion($mapname);
   
       #
       # Make the various lookup keys:
       #
   
       $what=~s/^parameter\_//;
       $what=~s/\_/\./;
   
   
       my $symbparm = $symb . '.' . $what;
       my $mapparm=$mapname.'___(all).'.$what;
   
       # Local refs to the hashes we're going to look at:
   
       my $useropt   = $self->{USER_OPT};
       my $courseopt = $self->{COURSE_OPT};
   
       # 
       # We want the course level stuff from the way
       # parmval_real operates 
       # TODO: Fator some of this stuff out of
       # both parmval_real and here
       #
       my $courselevel = $cid . '.' .  $what;
       my $grplevel    = $cid . '.[' . $cgroup   . ']' . $what;
       my $seclevel    = $cid . '.[' . $csec     . ']' . $what;
   
   
       # Try for the user's course level option:
   
       if ($uname and defined($useropt)) {
    if (defined($$useropt{$courselevel})) {
       return $$useropt{$courselevel};
    }
       }
       # Try for the group's course level option:
   
       if ($uname ne '' and defined($courseopt)) {
    if (defined($$courseopt{$grplevel})) {
       return $$courseopt{$grplevel};
    }
       }
   
       #  Try for section level parameters:
   
       if ($csec and defined($courseopt)) {
    if (defined($$courseopt{$seclevel})) {
       return $$courseopt{$seclevel};
    }
       }
       # Try for 'additional' course parameterse:
   
       if (defined($courseopt)) {
    if (defined($$courseopt{$courselevel})) {
       return $$courseopt{$courselevel};
    }
       }
       return undef;
   
   }
   
   
 =pod  =pod
   
Line 3085  sub new { Line 3331  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();
  my $result;   return Apache::lonnavmaps::iterator->new($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;  
              
           
     }      }
   
     # Set up some bookkeeping information.      # Set up some bookkeeping information.
Line 3113  sub new { Line 3354  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 3130  sub next { Line 3369  sub next {
     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');   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} && !$self->{HAVE_RETURNED_0_BEGIN_MAP}) {
Line 3156  sub next { Line 3394  sub next {
     if (defined($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 3278  sub next { Line 3515  sub next {
         return $self->next($closeAllPages);          return $self->next($closeAllPages);
     }      }
   
     my $hereResource = $self->{HERE};  
   
     return $self->{HERE};      return $self->{HERE};
   
 }  }
Line 3446  sub next { Line 3681  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 3601  sub new { Line 3835  sub new {
     $self->{NAV_MAP}->{RESOURCE_CACHE}->{$self->{ID}} = $self;      $self->{NAV_MAP}->{RESOURCE_CACHE}->{$self->{ID}} = $self;
     $self->{RESOURCE_ERROR} = 0;      $self->{RESOURCE_ERROR} = 0;
   
       $self->{DUEDATE_CACHE} = undef;
   
     # A hash that can be used by two-pass algorithms to store data      # A hash that can be used by two-pass algorithms to store data
     # about this resource in. Not used by the resource object      # about this resource in. Not used by the resource object
     # directly.      # directly.
Line 3997  resource of the map. Line 4233  resource of the map.
   
 Returns a string with the type of the map in it.  Returns a string with the type of the map in it.
   
 =item *B<map_hierarchy>:  =item * B<map_hierarchy>:
   
 Returns a string with a comma-separated ordered list of map_pc IDs  Returns a string with a comma-separated ordered list of map_pc IDs
 for the hierarchy of maps containing a map, with the top level  for the hierarchy of maps containing a map, with the top level
Line 4068  their code.) Line 4304  their code.)
   
 =over 4  =over 4
   
   
 =item * B<printable>  =item * B<printable>
   
 returns true if the current date is such that the   returns true if the current date is such that the 
 specified resource part is printable.  specified resource part is printable.
   
   
 =item * B<resprintable>  =item * B<resprintable>
   
 Returns true if all parts in the resource are printable making the  Returns true if all parts in the resource are printable making the
Line 4131  Get the weight for the problem. Line 4369  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);  sub printable {
     my $end   = $self->parmval("printenddate", $part);  
       my ($self, $part) = @_;
   
     #  The following cases apply:      #  The following cases apply:
     #  - No dates set: Printable.      #  - If a start date is not set, it is replaced by the open date.
       #  - Ditto for start/open replaced by content open.
       #  - If neither start nor printdates are set the part is printable.
     #  - Start date set but no end date: Printable if now >= start date.      #  - Start date set but no end date: Printable if now >= start date.
     #  - End date set but no start date: Printable if now <= end date.      #  - End date set but no start date: Printable if now <= end date.
     #  - both defined: printable if start <= now <= end      #  - both defined: printable if start <= now <= end
     #      #
   
       # Get the print open/close dates for the resource.
   
       my $start = $self->parmval("printstartdate", $part);
       my $end   = $self->parmval("printenddate", $part);
   
       if (!$start) {
    $start = $self->parmval("opendate", $part);
       }
       if (!$start) {
    $start = $self->parmval("contentopen", $part);
       }
   
   
     my $now  = time();      my $now  = time();
   
   
     my $startok = 1;      my $startok = 1;
     my $endok   = 1;      my $endok   = 1;
   
Line 4168  sub resprintable { Line 4421  sub resprintable {
     my $partsref = $self->parts();      my $partsref = $self->parts();
     my @parts    = @$partsref;      my @parts    = @$partsref;
   
     if ((!defined(@parts)) || (scalar(@parts) == 0)) {      if (!@parts) {
  return $self->printable(0);   return $self->printable(0);
     } else {      } else {
  foreach my $part  (@parts) {   foreach my $part  (@parts) {
Line 4239  sub checkedin { Line 4492  sub checkedin {
   
 sub duedate {  sub duedate {
     (my $self, my $part) = @_;      (my $self, my $part) = @_;
       if (defined ($self->{DUEDATE_CACHE}->{$part})) {
           return $self->{DUEDATE_CACHE}->{$part};
       }
     my $date;      my $date;
     my @interval=$self->parmval("interval", $part);      my @interval=$self->parmval("interval", $part);
     my $due_date=$self->parmval("duedate", $part);      my $due_date=$self->parmval("duedate", $part);
Line 4255  sub duedate { Line 4511  sub duedate {
     } else {      } else {
  $date = $due_date;   $date = $due_date;
     }      }
       $self->{DUEDATE_CACHE}->{$part} = $date;
     return $date;      return $date;
 }  }
 sub handgrade {  sub handgrade {

Removed from v.1.477  
changed lines
  Added in v.1.501


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