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Diff for /loncom/interface/lonnavmaps.pm between versions 1.349.2.6 and 1.379

version 1.349.2.6, 2006/02/10 22:35:24 version 1.379, 2006/04/29 17:57:29
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 MENU  MENU
  }   }
         $r->send_http_header;          $r->send_http_header;
  my $html=&Apache::lonxml::xmlbegin();   my $js =<<"ENDSUBM";
  $r->print(<<"ENDSUBM");  
  $html  
         <head>  
   <script type="text/javascript">    <script type="text/javascript">
      function submitthis() {       function submitthis() {
     $menu      $menu
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     }      }
   
    </script>     </script>
         </head>  
  <body bgcolor="#FFFFFF" onLoad="submitthis()"></body>  
         </html>  
 ENDSUBM  ENDSUBM
           $r->print(&Apache::loncommon::start_page(undef,$js,
    {'only_body' => 1,
     'bgcolor'   => '#FFFFFF',
     'add_entries' => 
         {'onload' =>
      "submitthis()"}}).
     &Apache::loncommon::end_page());
   
         return OK;          return OK;
     }      }
     if ($ENV{QUERY_STRING} =~ /^launchExternal/) {      if ($ENV{QUERY_STRING} =~ /^launchExternal/) {
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         return HTTP_NOT_ACCEPTABLE;          return HTTP_NOT_ACCEPTABLE;
     }      }
     $r->send_http_header;      $r->send_http_header;
     my $html=&Apache::lonxml::xmlbegin();  
     $r->print("$html<head>\n");  
     $r->print("<title>".&mt('Navigate Course Contents')."</title>");  
 # ------------------------------------------------------------ Get query string  # ------------------------------------------------------------ Get query string
     &Apache::loncommon::get_unprocessed_cgi($ENV{'QUERY_STRING'},['register','sort','showOnlyHomework','postsymb']);      &Apache::loncommon::get_unprocessed_cgi($ENV{'QUERY_STRING'},['register','sort','showOnlyHomework','postsymb']);
           
 # ----------------------------------------------------- Force menu registration  # ----------------------------------------------------- Force menu registration
     my $addentries='';  
     my $more_unload;  
     my $body_only='';      my $body_only='';
       my $js;
     if ($env{'environment.remotenavmap'} eq 'on') {      if ($env{'environment.remotenavmap'} eq 'on') {
  $r->print('<script type="text/javascript">   $js='<script type="text/javascript">
                       function collapse() {                  function collapse() {
                          this.document.location="/adm/navmaps?collapseExternal";                     this.document.location="/adm/navmaps?collapseExternal";
                       }                  }
                    </script>');               </script>';
 # FIXME need to be smarter to only catch window close events  
 # $more_unload="collapse()"  
  $body_only=1;   $body_only=1;
     }      }
     if ($env{'form.register'}) {  
  $addentries=' onLoad="'.&Apache::lonmenu::loadevents().  
     '" onUnload="'.&Apache::lonmenu::unloadevents().';'.  
     $more_unload.'"';  
  $r->print(&Apache::lonmenu::registerurl(1));  
     } else {  
  $addentries=' onUnload="'.$more_unload.'"';  
     }  
   
     # Header      # Header
     $r->print('</head>'.      $r->print(&Apache::loncommon::start_page('Navigate Course Contents',$js,
               &Apache::loncommon::bodytag('Navigate Course Contents','',       {'only_body'       => $body_only,
   $addentries,$body_only,'',        'force_register'  =>
   $env{'form.register'}));    $env{'form.register'},}));
     $r->print('<script>window.focus();</script>');      $r->print('<script type="text/javascript">window.focus();</script>');
             
     $r->rflush();      $r->rflush();
   
     # Check that it's defined      # Check that it's defined
     if (!($navmap->courseMapDefined())) {      if (!($navmap->courseMapDefined())) {
  $r->print(&Apache::loncommon::help_open_menu('','Navigation Screen','Navigation_Screen','',undef,'RAT'));   $r->print(&Apache::loncommon::help_open_menu('','Navigation Screen','Navigation_Screen','',undef,'RAT'));
         $r->print('<font size="+2" color="red">Coursemap undefined.</font>' .          $r->print('<font size="+2" color="red">'.&mt('Coursemap undefined.').
                   '</body></html>');    '</font>' .
                     &Apache::loncommon::end_page());
         return OK;          return OK;
     }      }
   
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       "Close navigation window");        "Close navigation window");
     }       } 
   
     my $jumpToFirstHomework = 0;  
     # Check to see if the student is jumping to next open, do-able problem      # Check to see if the student is jumping to next open, do-able problem
     if ($ENV{QUERY_STRING} =~ /^jumpToFirstHomework/) {      if ($ENV{QUERY_STRING} =~ /^jumpToFirstHomework/) {
         $jumpToFirstHomework = 1;  
         # Find the next homework problem that they can do.          # Find the next homework problem that they can do.
         my $iterator = $navmap->getIterator(undef, undef, undef, 1);          my $iterator = $navmap->getIterator(undef, undef, undef, 1);
         my $curRes;          my $curRes;
         my $foundDoableProblem = 0;          my $foundDoableProblem = 0;
         my $problemRes;          my $minimumduedate;
                   
         while (($curRes = $iterator->next()) && !$foundDoableProblem) {          while ($curRes = $iterator->next()) {
             if (ref($curRes) && $curRes->is_problem()) {              if (ref($curRes) && $curRes->is_problem()) {
                 my $status = $curRes->status();                  my $status = $curRes->status();
                 if ($curRes->completable()) {                  if ($curRes->completable()) {
                     $problemRes = $curRes;                      my $thisduedate=$curRes->duedate();
                       unless ($foundDoableProblem) {
                           $minimumduedate=$thisduedate;
       }
                           
                     $foundDoableProblem = 1;                      $foundDoableProblem = 1;
   
                     # Pop open all previous maps                      if ($thisduedate<=$minimumduedate) {
                     my $stack = $iterator->getStack();   # Pop open all previous maps
                     pop @$stack; # last resource in the stack is the problem   my $stack = $iterator->getStack();
                                  # itself, which we don't need in the map stack   pop @$stack; # last resource in the stack is the problem
                     my @mapPcs = map {$_->map_pc()} @$stack;   # itself, which we don't need in the map stack
                     $env{'form.filter'} = join(',', @mapPcs);   my @mapPcs = map {$_->map_pc()} @$stack;
    $env{'form.filter'} = join(',', @mapPcs);
                     # Mark as both "here" and "jump"  
                     $env{'form.postsymb'} = $curRes->symb();   # Mark as both "here" and "jump"
    $env{'form.postsymb'} = $curRes->symb();
                           $minimumduedate=$thisduedate;
       }
                 }                  }
             }              }
         }          }
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     } else {      } else {
  &add_linkitem(\%toplinkitems,'firsthomework',   &add_linkitem(\%toplinkitems,'firsthomework',
       'location.href="navmaps?jumpToFirstHomework"',        'location.href="navmaps?jumpToFirstHomework"',
       "Show Me My First Homework Problem");        "Show my first due problem");
     }      }
   
     my $suppressEmptySequences = 0;      my $suppressEmptySequences = 0;
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                         };                          };
  &add_linkitem(\%toplinkitems,'everything',   &add_linkitem(\%toplinkitems,'everything',
      'location.href="navmaps?sort='.$env{'form.sort'}.'"',       'location.href="navmaps?sort='.$env{'form.sort'}.'"',
       "Show Everything");        "Show everything");
         $r->print("<p><font size='+2'>".&mt("Uncompleted Homework")."</font></p>");          $r->print("<p><font size='+2'>".&mt("Uncompleted Problems")."</font></p>");
         $env{'form.filter'} = '';          $env{'form.filter'} = '';
         $env{'form.condition'} = 1;          $env{'form.condition'} = 1;
  $resource_no_folder_link = 1;   $resource_no_folder_link = 1;
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  &add_linkitem(\%toplinkitems,'uncompleted',   &add_linkitem(\%toplinkitems,'uncompleted',
       'location.href="navmaps?sort='.$env{'form.sort'}.        'location.href="navmaps?sort='.$env{'form.sort'}.
           '&showOnlyHomework=1"',            '&showOnlyHomework=1"',
       "Show Only Uncompleted Homework");        "Show only uncompleted problems");
     }      }
   
     my %selected=($env{'form.sort'} => 'selected=on');      my %selected=($env{'form.sort'} => 'selected=on');
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     #my $td=&tv_interval($t0);      #my $td=&tv_interval($t0);
     #$r->print("<br />$td");      #$r->print("<br />$td");
   
     $r->print("</body></html>");      $r->print(&Apache::loncommon::end_page());
     $r->rflush();      $r->rflush();
   
     return OK;      return OK;
Line 683  sub timeToHumanString { Line 679  sub timeToHumanString {
   
  if($format ne '') {   if($format ne '') {
     my $timeStr = strftime($format, localtime($time));      my $timeStr = strftime($format, localtime($time));
     return $timeStr.&Apache::lonlocal::gettimezone();      return $timeStr.&Apache::lonlocal::gettimezone($time);
  }   }
   
         # Less then 5 days away, display day of the week and          # Less then 5 days away, display day of the week and
Line 694  sub timeToHumanString { Line 690  sub timeToHumanString {
             $timeStr =~ s/12:00 am/00:00/;              $timeStr =~ s/12:00 am/00:00/;
             $timeStr =~ s/12:00 pm/noon/;              $timeStr =~ s/12:00 pm/noon/;
             return ($inPast ? "last " : "this ") .              return ($inPast ? "last " : "this ") .
                 $timeStr.&Apache::lonlocal::gettimezone();                  $timeStr.&Apache::lonlocal::gettimezone($time);
         }          }
                   
  my $conjunction='on';   my $conjunction='on';
Line 709  sub timeToHumanString { Line 705  sub timeToHumanString {
             my $timeStr = strftime("$conjunction %A, %b %e at %I:%M %P", localtime($time));              my $timeStr = strftime("$conjunction %A, %b %e at %I:%M %P", localtime($time));
             $timeStr =~ s/12:00 am/00:00/;              $timeStr =~ s/12:00 am/00:00/;
             $timeStr =~ s/12:00 pm/noon/;              $timeStr =~ s/12:00 pm/noon/;
             return $timeStr.&Apache::lonlocal::gettimezone();              return $timeStr.&Apache::lonlocal::gettimezone($time);
         }          }
   
         # Not this year, so show the year          # Not this year, so show the year
         my $timeStr = strftime("$conjunction %A, %b %e %Y at %I:%M %P", localtime($time));          my $timeStr = strftime("$conjunction %A, %b %e %Y at %I:%M %P", localtime($time));
         $timeStr =~ s/12:00 am/00:00/;          $timeStr =~ s/12:00 am/00:00/;
         $timeStr =~ s/12:00 pm/noon/;          $timeStr =~ s/12:00 pm/noon/;
         return $timeStr.&Apache::lonlocal::gettimezone();          return $timeStr.&Apache::lonlocal::gettimezone($time);
     }      }
 }  }
   
Line 1095  sub render_resource { Line 1091  sub render_resource {
           
     if ($resource->is_problem()) {      if ($resource->is_problem()) {
         if ($part eq '0' || $params->{'condensed'}) {          if ($part eq '0' || $params->{'condensed'}) {
             $icon ='<img src="'.$location.'/problem.gif" alt="&nbsp;&nbsp;" border="0" />';              $icon ='<img src="'.$location.'/problem.gif" alt="'.&mt('Problem').'" border="0" />';
         } else {          } else {
             $icon = $params->{'indentString'};              $icon = $params->{'indentString'};
         }          }
Line 1112  sub render_resource { Line 1108  sub render_resource {
         }          }
   
  my $folderType = $resource->is_sequence() ? 'folder' : 'page';   my $folderType = $resource->is_sequence() ? 'folder' : 'page';
           my $title=$resource->title;
           $title=~s/\"/\&quot;/g;
         if (!$params->{'resource_no_folder_link'}) {          if (!$params->{'resource_no_folder_link'}) {
             $icon = "navmap.$folderType." . ($nowOpen ? 'closed' : 'open') . '.gif';              $icon = "navmap.$folderType." . ($nowOpen ? 'closed' : 'open') . '.gif';
     $icon = "<img src='$location/$icon' alt='".      $icon = "<img src='$location/$icon' alt=\"".
  ($nowOpen ? 'Open Folder' : 'Close Folder')."' border='0' />";   ($nowOpen ? &mt('Open Folder') : &mt('Close Folder')).' '.$title."\" border='0' />";
   
             $linkopen = "<a href=\"" . $params->{'url'} . '?' .               $linkopen = "<a href=\"" . $params->{'url'} . '?' . 
                 $params->{'queryString'} . '&filter=';                  $params->{'queryString'} . '&filter=';
Line 1134  sub render_resource { Line 1131  sub render_resource {
             # Don't allow users to manipulate folder              # Don't allow users to manipulate folder
             $icon = "navmap.$folderType." . ($nowOpen ? 'closed' : 'open') .              $icon = "navmap.$folderType." . ($nowOpen ? 'closed' : 'open') .
                 '.nomanip.gif';                  '.nomanip.gif';
             $icon = "<img src='$location/$icon' alt='".              $icon = "<img src='$location/$icon' alt=\"".
  ($nowOpen ? 'Open Folder' : 'Close Folder')."' border='0' />";   ($nowOpen ? &mt('Open Folder') : &mt('Close Folder')).' '.$title."\" border='0' />";
   
             $linkopen = "";              $linkopen = "";
             $linkclose = "";              $linkclose = "";
Line 1143  sub render_resource { Line 1140  sub render_resource {
     }      }
   
     if ($resource->randomout()) {      if ($resource->randomout()) {
         $nonLinkedText .= ' <i>(hidden)</i> ';          $nonLinkedText .= ' <i>('.&mt('hidden').')</i> ';
     }      }
     if (!$resource->condval()) {      if (!$resource->condval()) {
         $nonLinkedText .= ' <i>(conditionally hidden)</i> ';          $nonLinkedText .= ' <i>('.&mt('conditionally hidden').')</i> ';
     }      }
           
     # We're done preparing and finally ready to start the rendering      # We're done preparing and finally ready to start the rendering
Line 1178  sub render_resource { Line 1175  sub render_resource {
     if ($resource->is_problem() && $part ne '0' &&       if ($resource->is_problem() && $part ne '0' && 
         !$params->{'condensed'}) {          !$params->{'condensed'}) {
  my $displaypart=$resource->part_display($part);   my $displaypart=$resource->part_display($part);
         $partLabel = " (Part: $displaypart)";          $partLabel = " (".&mt('Part: [_1]', $displaypart).")";
  if ($link!~/\#/) { $link.='#'.&Apache::lonnet::escape($part); }   if ($link!~/\#/) { $link.='#'.&Apache::lonnet::escape($part); }
         $title = "";          $title = "";
     }      }
   
     if ($params->{'condensed'} && $resource->countParts() > 1) {      if ($params->{'condensed'} && $resource->countParts() > 1) {
         $nonLinkedText .= ' (' . $resource->countParts() . ' parts)';          $nonLinkedText .= ' ('.&mt('[_1] parts', $resource->countParts()).')';
     }      }
   
     my $target;      my $target;
Line 1472  sub render { Line 1469  sub render {
             $navmap = Apache::lonnavmaps::navmap->new();              $navmap = Apache::lonnavmaps::navmap->new();
     if (!defined($navmap)) {      if (!defined($navmap)) {
  # no londer in course   # no londer in course
  return '<font color="red">No course selected</font><br />   return '<font color="red">'.&mt('No course selected').'</font><br />
                         <a href="/adm/roles">Select a course</a><br />';                          <a href="/adm/roles">'.&mt('Select a course').'</a><br />';
     }      }
  }   }
   
Line 1612  sub render { Line 1609  sub render {
         if ($condition) {          if ($condition) {
     $link='"navmaps?condition=0&filter=&'.$queryString.      $link='"navmaps?condition=0&filter=&'.$queryString.
  '&here='.&Apache::lonnet::escape($here).'"';   '&here='.&Apache::lonnet::escape($here).'"';
     $text='Close All Folders';      $text='Close all folders';
         } else {          } else {
     $link='"navmaps?condition=1&filter=&'.$queryString.      $link='"navmaps?condition=1&filter=&'.$queryString.
  '&here='.&Apache::lonnet::escape($here).'"';   '&here='.&Apache::lonnet::escape($here).'"';
     $text='Open All Folders';      $text='Open all folders';
         }          }
  if ($args->{'caller'} eq 'navmapsdisplay') {   if ($args->{'caller'} eq 'navmapsdisplay') {
     &add_linkitem($args->{'linkitems'},'changefolder',      &add_linkitem($args->{'linkitems'},'changefolder',
Line 2066  In order of increasing complexity and po Line 2063  In order of increasing complexity and po
   
 =over 4  =over 4
   
 =item * C<$navmap-E<gt>getByX>, where X is B<Id>, B<Symb>, B<Url> or B<MapPc>. This provides  =item * C<$navmap-E<gt>getByX>, where X is B<Id>, B<Symb> or B<MapPc> and getResourceByUrl. This provides
     various ways to obtain resource objects, based on various identifiers.      various ways to obtain resource objects, based on various identifiers.
     Use this when you want to request information about one object or       Use this when you want to request information about one object or 
     a handful of resources you already know the identities of, from some      a handful of resources you already know the identities of, from some
     other source. For more about Ids, Symbs, and MapPcs, see the      other source. For more about Ids, Symbs, and MapPcs, see the
     Resource documentation. Note that Url should be a B<last resort>,      Resource documentation. Note that Url should be a B<last resort>,
     not your first choice; it only works when there is only one      not your first choice; it only really works when there is only one
     instance of the resource in the course, which only applies to      instance of the resource in the course, which only applies to
     maps, and even that may change in the future.      maps, and even that may change in the future (see the B<getResourceByUrl>
       documentation for more details.)
   
 =item * C<my @resources = $navmap-E<gt>retrieveResources(args)>. This  =item * C<my @resources = $navmap-E<gt>retrieveResources(args)>. This
     retrieves resources matching some criterion and returns them      retrieves resources matching some criterion and returns them
Line 2269  sub get_user_data { Line 2267  sub get_user_data {
 sub get_discussion_data {  sub get_discussion_data {
     my $self = shift;      my $self = shift;
     if ($self->{RETRIEVED_DISCUSSION_DATA}) {      if ($self->{RETRIEVED_DISCUSSION_DATA}) {
          return  $self->{DISCUSSION_DATA};   return $self->{DISCUSSION_DATA};
     }      }
                                                                                   
       $self->generate_email_discuss_status();    
   
     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'};
                                                                                   
     # Retrieve discussion data for resources in course      # Retrieve discussion data for resources in course
     my %discussion_data = &Apache::lonnet::dump($cid,$cdom,$cnum);      my %discussion_data = &Apache::lonnet::dumpstore($cid,$cdom,$cnum);
                                                                                   
   
     $self->{DISCUSSION_DATA} = \%discussion_data;      $self->{DISCUSSION_DATA} = \%discussion_data;
     $self->{RETRIEVED_DISCUSSION_DATA} = 1;      $self->{RETRIEVED_DISCUSSION_DATA} = 1;
     return $self->{DISCUSSION_DATA};      return $self->{DISCUSSION_DATA};
Line 2340  sub hasDiscussion { Line 2340  sub hasDiscussion {
     }      }
 }  }
   
   sub last_post_time {
       my $self = shift;
       my $symb = shift;
       my $ressymb = $self->wrap_symb($symb);
       return $self->{DISCUSSION_TIME}->{$ressymb};
   }
   
   sub unread_discussion {
       my $self = shift;
       my $symb = shift;
   
       $self->get_discussion_data();
   
       my $ressymb = $self->wrap_symb($symb);
       # keys used to store bulletinboard postings use 'unwrapped' symb. 
       my $discsymb = $self->unwrap_symb($ressymb);
       my $version = $self->{DISCUSSION_DATA}{'version:'.$discsymb};
       if (!$version) { return; }
   
       my $prevread = $self->{LAST_READ}{$ressymb};
   
       my $unreadcount = 0;
       my $hiddenflag = 0;
       my $deletedflag = 0;
       my ($hidden,$deleted);
   
       my %subjects;
   
       for (my $id=$version; $id>0; $id--) {
    my $vkeys=$self->{DISCUSSION_DATA}{$id.':keys:'.$discsymb};
    my @keys=split(/:/,$vkeys);
    if (grep(/^hidden$/ ,@keys)) {
       if (!$hiddenflag) {
    $hidden = $self->{DISCUSSION_DATA}{$id.':'.$discsymb.':hidden'};
    $hiddenflag = 1;
       }
    } elsif (grep(/^deleted$/,@keys)) {
       if (!$deletedflag) {
    $deleted = $self->{DISCUSSION_DATA}{$id.':'.$discsymb.':deleted'};
    $deletedflag = 1;
       }
    } else {
       if (($hidden !~/\.$id\./) && ($deleted !~/\.$id\./)
    && $prevread < $self->{DISCUSSION_DATA}{$id.':'.$discsymb.':timestamp'}) {
       $unreadcount++;
       $subjects{$unreadcount}=
    $id.': '.$self->{DISCUSSION_DATA}{$id.':'.$discsymb.':subject'};
    }
    }
       }
       if (wantarray) {
    return ($unreadcount,\%subjects);
       }
       return $unreadcount
   }
   
 sub wrap_symb {  sub wrap_symb {
     my $self = shift;      my $self = shift;
     my $symb = shift;      my $symb = shift;
     if ($symb =~ m-___(adm/\w+/\w+/)(\d+)(/bulletinboard)$-) {      if ($symb =~ m-___(adm/[^/]+/[^/]+/)(\d+)(/bulletinboard)$-) {
         unless ($symb =~ m|adm/wrapper/adm|) {          unless ($symb =~ m|adm/wrapper/adm|) {
             $symb = 'bulletin___'.$2.'___adm/wrapper/'.$1.$2.$3;              $symb = 'bulletin___'.$2.'___adm/wrapper/'.$1.$2.$3;
         }          }
Line 2351  sub wrap_symb { Line 2407  sub wrap_symb {
     return $symb;      return $symb;
 }  }
   
   sub unwrap_symb {
       my $self = shift;
       my $ressymb = shift;
       my $discsymb = $ressymb;
       if ($ressymb =~ m-^(bulletin___\d+___)adm/wrapper/(adm/[^/]+/[^/]+/\d+/bulletinboard)$-) {
            $discsymb = $1.$2;
       }
       return $discsymb;
   }
   
 # Private method: Does the given resource (as a symb string) have  # Private method: Does the given resource (as a symb string) have
 # current feedback? Returns the string in the feedback hash, which  # current feedback? Returns the string in the feedback hash, which
 # will be false if it does not exist.  # will be false if it does not exist.
Line 2495  sub parmval_real { Line 2561  sub parmval_real {
   
     my $cid=$env{'request.course.id'};      my $cid=$env{'request.course.id'};
     my $csec=$env{'request.course.sec'};      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 $uname=$env{'user.name'};      my $uname=$env{'user.name'};
     my $udom=$env{'user.domain'};      my $udom=$env{'user.domain'};
   
Line 2512  sub parmval_real { Line 2584  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 $grplevelr=$usercourseprefix.'.['.$cgroup.'].'.$symbparm;
       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;
Line 2532  sub parmval_real { Line 2608  sub parmval_real {
     }      }
   
 # ------------------------------------------------------- second, check course  # ------------------------------------------------------- second, check course
       if ($cgroup ne '' and defined($courseopt)) {
           if (defined($$courseopt{$grplevelr})) { return $$courseopt{$grplevelr}; }
           if (defined($$courseopt{$grplevelm})) { return $$courseopt{$grplevelm}; }
           if (defined($$courseopt{$grplevel})) { return $$courseopt{$grplevel}; }
       }
   
     if ($csec and defined($courseopt)) {      if ($csec and defined($courseopt)) {
         if (defined($$courseopt{$seclevelr})) { return $$courseopt{$seclevelr}; }          if (defined($$courseopt{$seclevelr})) { return $$courseopt{$seclevelr}; }
         if (defined($$courseopt{$seclevelm})) { return $$courseopt{$seclevelm}; }          if (defined($$courseopt{$seclevelm})) { return $$courseopt{$seclevelm}; }
Line 2738  sub usedVersion { Line 2820  sub usedVersion {
 1;  1;
   
 package Apache::lonnavmaps::iterator;  package Apache::lonnavmaps::iterator;
 use WeakRef;  use Scalar::Util qw(weaken);
 use Apache::lonnet;  use Apache::lonnet;
   
 =pod  =pod
Line 3219  sub populateStack { Line 3301  sub populateStack {
 1;  1;
   
 package Apache::lonnavmaps::DFSiterator;  package Apache::lonnavmaps::DFSiterator;
 use WeakRef;  use Scalar::Util qw(weaken);
 use Apache::lonnet;  use Apache::lonnet;
   
 # Not documented in the perldoc: This is a simple iterator that just walks  # Not documented in the perldoc: This is a simple iterator that just walks
Line 3403  sub populateStack { Line 3485  sub populateStack {
 1;  1;
   
 package Apache::lonnavmaps::resource;  package Apache::lonnavmaps::resource;
 use WeakRef;  use Scalar::Util qw(weaken);
 use Apache::lonnet;  use Apache::lonnet;
   
 =pod  =pod
Line 3582  sub kind { my $self=shift; return $self- Line 3664  sub kind { my $self=shift; return $self-
 sub randomout { my $self=shift; return $self->navHash("randomout_", 1); }  sub randomout { my $self=shift; return $self->navHash("randomout_", 1); }
 sub randompick {   sub randompick { 
     my $self = shift;      my $self = shift;
     return $self->{NAV_MAP}->{PARM_HASH}->{$self->symb .      return $self->parmval('randompick');
                                                '.0.parameter_randompick'};  
 }  }
 sub link {  sub link {
     my $self=shift;      my $self=shift;
Line 3701  sub retrieveResources { Line 3782  sub retrieveResources {
    return $self->{NAV_MAP}->retrieveResources(@_);     return $self->{NAV_MAP}->retrieveResources(@_);
 }  }
   
   sub is_exam {
       my ($self,$part) = @_;
       if ($self->parmval('type',$part) eq 'exam') {
           return 1;
       }
       if ($self->src() =~ /\.(exam)$/) {
           return 1;
       }
       return 0;
   }
 sub is_html {  sub is_html {
     my $self=shift;      my $self=shift;
     my $src = $self->src();      my $src = $self->src();
Line 3713  sub is_page { Line 3804  sub is_page {
     return $self->navHash("is_map_", 1) &&       return $self->navHash("is_map_", 1) && 
  $self->navHash("map_type_" . $self->map_pc()) eq 'page';   $self->navHash("map_type_" . $self->map_pc()) eq 'page';
 }  }
   sub is_practice {
       my $self=shift;
       my ($part) = @_;
       if ($self->parmval('type',$part) eq 'practice') {
           return 1;
       }
       return 0;
   }
 sub is_problem {  sub is_problem {
     my $self=shift;      my $self=shift;
     my $src = $self->src();      my $src = $self->src();
     return ($src =~ /\.(problem|exam|quiz|assess|survey|form|library|task)$/)      if ($src =~ /\.(problem|exam|quiz|assess|survey|form|library|task)$/) {
    return !($self->is_practice());
       }
       return 0;
 }  }
 sub contains_problem {  sub contains_problem {
     my $self=shift;      my $self=shift;
Line 3743  sub is_survey { Line 3845  sub is_survey {
     }      }
     return 0;      return 0;
 }  }
   sub is_task {
       my $self=shift;
       my $src = $self->src();
       return ($src =~ /\.(task)$/)
   }
   
 sub is_empty_sequence {  sub is_empty_sequence {
     my $self=shift;      my $self=shift;
Line 4027  Returns a false value if there has been Line 4134  Returns a false value if there has been
 logged in, true if there has. Always returns false if the discussion  logged in, true if there has. Always returns false if the discussion
 data was not extracted when the nav map was constructed.  data was not extracted when the nav map was constructed.
   
   =item * B<last_post_time>:
   
   Returns a false value if there hasn't been discussion otherwise returns
   unix timestamp of last time a discussion posting (or edit) was made.
   
   =item * B<unread_discussion>:
   
   returns in scalar context the count of the number of unread discussion
   postings
   
   returns in list context both the count of postings and a hash ref
   containing the subjects of all unread postings
   
 =item * B<getFeedback>:  =item * B<getFeedback>:
   
 Gets the feedback for the resource and returns the raw feedback string  Gets the feedback for the resource and returns the raw feedback string
Line 4047  sub hasDiscussion { Line 4167  sub hasDiscussion {
     return $self->{NAV_MAP}->hasDiscussion($self->symb());      return $self->{NAV_MAP}->hasDiscussion($self->symb());
 }  }
   
   sub last_post_time {
       my $self = shift;
       return $self->{NAV_MAP}->last_post_time($self->symb());
   }
   
   sub unread_discussion {
       my $self = shift;
       return $self->{NAV_MAP}->unread_discussion($self->symb());
   }
   
 sub getFeedback {  sub getFeedback {
     my $self = shift;      my $self = shift;
     my $source = $self->src();      my $source = $self->src();
Line 4144  sub countResponses { Line 4274  sub countResponses {
 sub responseTypes {  sub responseTypes {
     my $self = shift;      my $self = shift;
     my %responses;      my %responses;
     foreach my $part ($self->parts()) {      foreach my $part (@{$self->parts()}) {
         foreach my $responsetype ($self->responseType($part)) {          foreach my $responsetype ($self->responseType($part)) {
             $responses{$responsetype}++ if (defined($responsetype));              $responses{$responsetype}++ if (defined($responsetype));
         }          }
Line 4255  sub extractParts { Line 4385  sub extractParts {
         # So we have to use our knowlege of part names to figure out           # So we have to use our knowlege of part names to figure out 
         # where the part names begin and end, and even then, it is possible          # where the part names begin and end, and even then, it is possible
         # to construct ambiguous situations.          # to construct ambiguous situations.
         foreach (split /,/, $metadata) {          foreach my $data (split /,/, $metadata) {
             if ($_ =~ /^([a-zA-Z]+)response_(.*)/) {              if ($data =~ /^([a-zA-Z]+)response_(.*)/
    || $data =~ /^(Task)_(.*)/) {
                 my $responseType = $1;                  my $responseType = $1;
                 my $partStuff = $2;                  my $partStuff = $2;
                 my $partIdSoFar = '';                  my $partIdSoFar = '';
Line 4268  sub extractParts { Line 4399  sub extractParts {
                     if ($parts{$partIdSoFar}) {                      if ($parts{$partIdSoFar}) {
                         my @otherChunks = @partChunks[$i+1..$#partChunks];                          my @otherChunks = @partChunks[$i+1..$#partChunks];
                         my $responseId = join('_', @otherChunks);                          my $responseId = join('_', @otherChunks);
                         push @{$responseIdHash{$partIdSoFar}}, $responseId;   if ($self->is_task()) {
                         push @{$responseTypeHash{$partIdSoFar}}, $responseType;      push(@{$responseIdHash{$partIdSoFar}},
    $partIdSoFar);
    } else {
       push(@{$responseIdHash{$partIdSoFar}},
    $responseId);
    }
                           push(@{$responseTypeHash{$partIdSoFar}},
        $responseType);
                     }                      }
                 }                  }
             }              }
Removed from v.1.349.2.6  
changed lines
  Added in v.1.379

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