Diff for /loncom/interface/lonnavmaps.pm between versions 1.238 and 1.312

version 1.238, 2003/10/08 19:22:17 version 1.312, 2004/12/23 17:47:33
Line 25 Line 25
 #  #
 # http://www.lon-capa.org/  # http://www.lon-capa.org/
 #  #
 # (Page Handler  ###
 #  
 # (TeX Content Handler  
 #  
 # 05/29/00,05/30 Gerd Kortemeyer)  
 # 08/30,08/31,09/06,09/14,09/15,09/16,09/19,09/20,09/21,09/23,  
 # 10/02,10/10,10/14,10/16,10/18,10/19,10/31,11/6,11/14,11/16 Gerd Kortemeyer)  
 #  
 # 3/1/1,6/1,17/1,29/1,30/1,2/8,9/21,9/24,9/25 Gerd Kortemeyer  
 # YEAR=2002  
 # 1/1 Gerd Kortemeyer  
 # Oct-Nov Jeremy Bowers  
 # YEAR=2003  
 # Jeremy Bowers ... lots of days  
   
 package Apache::lonnavmaps;  package Apache::lonnavmaps;
   
Line 46  use strict; Line 33  use strict;
 use Apache::Constants qw(:common :http);  use Apache::Constants qw(:common :http);
 use Apache::loncommon();  use Apache::loncommon();
 use Apache::lonmenu();  use Apache::lonmenu();
   use Apache::lonenc();
 use Apache::lonlocal;  use Apache::lonlocal;
   use Apache::lonnet;
 use POSIX qw (floor strftime);  use POSIX qw (floor strftime);
 use Data::Dumper; # for debugging, not always used  use Data::Dumper; # for debugging, not always 
   
 # symbolic constants  # symbolic constants
 sub SYMB { return 1; }  sub SYMB { return 1; }
Line 96  my %colormap = Line 85  my %colormap =
 # is not yet done and due in less then 24 hours  # is not yet done and due in less then 24 hours
 my $hurryUpColor = "#FF0000";  my $hurryUpColor = "#FF0000";
   
   sub launch_win {
       my ($mode,$script,$toplinkitems)=@_;
       my $result;
       if ($script ne 'no') {
    $result.='<script type="text/javascript">';
       }
       $result.='function launch_navmapwin() {
                    newWindow=open(\'/adm/navmaps?launchExternal\',\'loncapanav\',\'width=400,height=600,scrollbars=1\');
                  }';
       if ($mode eq 'now') {
    $result.="\nlaunch_navmapwin();\n";
       }
       if ($script ne 'no') {
    $result.='</script>';
       }
       if ($mode eq 'link') {
    &add_linkitem($toplinkitems,'launchnav','launch_navmapwin()',
         "Launch navigation window");
       }
       return $result;
   }
   
   sub close {
       if ($ENV{'environment.remotenavmap'} ne 'on') { return ''; }
       return(<<ENDCLOSE);
   <script type="text/javascript">
   window.status='Accessing Nav Control';
   menu=window.open("/adm/rat/empty.html","loncapanav",
                    "height=600,width=400,scrollbars=1");
   window.status='Closing Nav Control';
   menu.close();
   window.status='Done.';
   </script>
   ENDCLOSE
   }
   
   sub update {
       if ($ENV{'environment.remotenavmap'} ne 'on') { return ''; }
       if (!$ENV{'request.course.id'}) { return ''; }
       if ($ENV{'REQUEST_URI'}=~m|^/adm/navmaps|) { return ''; }
       return(<<ENDUPDATE);
   <form name="navform"></form>
   <script type="text/javascript">
   this.document.navform.action='/adm/navmaps#curloc';
   this.document.navform.target='loncapanav';
   this.document.navform.submit();
   </script>
   ENDUPDATE
   }
   
 sub handler {  sub handler {
     my $r = shift;      my $r = shift;
     real_handler($r);      real_handler($r);
Line 124  sub real_handler { Line 163  sub real_handler {
     &Apache::loncommon::no_cache($r);      &Apache::loncommon::no_cache($r);
     $r->send_http_header;      $r->send_http_header;
   
       my %toplinkitems=();
       &add_linkitem(\%toplinkitems,'blank','',"Select Action");
       if ($ENV{QUERY_STRING} eq 'collapseExternal') {
    &Apache::lonnet::put('environment',{'remotenavmap' => 'off'});
    &Apache::lonnet::appenv('environment.remotenavmap' => 'off');
    my $menu=&Apache::lonmenu::reopenmenu();
    my $navstatus=&Apache::lonmenu::get_nav_status();
    if ($menu) {
       $menu=(<<MENU)
                swmenu=$menu
                swmenu.clearTimeout(swmenu.menucltim);
        $navstatus
   MENU
           } else {
       my $nothing = &Apache::lonhtmlcommon::javascript_nothing();
       my $mainwindow='window.open('.$nothing.',"loncapaclient","",false);';
       $menu=(<<MENU)
                swmenu=$mainwindow
        $navstatus
   MENU
    }
    $r->print(<<"ENDSUBM");
    <html>
           <head>
     <script type="text/javascript">
        function submitthis() {
       $menu
       self.close();
       }
   
      </script>
           </head>
    <body bgcolor="#FFFFFF" onLoad="submitthis()"></body>
           </html>
   ENDSUBM
           return;
       }
       if ($ENV{QUERY_STRING} eq 'launchExternal') {
    &Apache::lonnet::put('environment',{'remotenavmap' => 'on'});
    &Apache::lonnet::appenv('environment.remotenavmap' => 'on');
       }
   
     # Create the nav map      # Create the nav map
     my $navmap = Apache::lonnavmaps::navmap->new();      my $navmap = Apache::lonnavmaps::navmap->new();
   
Line 136  sub real_handler { Line 217  sub real_handler {
     $r->print("<html><head>\n");      $r->print("<html><head>\n");
     $r->print("<title>".&mt('Navigate Course Contents')."</title>");      $r->print("<title>".&mt('Navigate Course Contents')."</title>");
 # ------------------------------------------------------------ Get query string  # ------------------------------------------------------------ Get query string
     &Apache::loncommon::get_unprocessed_cgi($ENV{'QUERY_STRING'},['register']);      &Apache::loncommon::get_unprocessed_cgi($ENV{'QUERY_STRING'},['register','sort','showOnlyHomework']);
           
 # ----------------------------------------------------- Force menu registration  # ----------------------------------------------------- Force menu registration
     my $addentries='';      my $addentries='';
       my $more_unload;
       my $body_only='';
       if ($ENV{'environment.remotenavmap'} eq 'on') {
    $r->print('<script type="text/javascript">
                         function collapse() {
                            this.document.location="/adm/navmaps?collapseExternal";
                         }
                      </script>');
   # FIXME need to be smarter to only catch window close events
   # $more_unload="collapse()"
    $body_only=1;
       }
     if ($ENV{'form.register'}) {      if ($ENV{'form.register'}) {
        $addentries=' onLoad="'.&Apache::lonmenu::loadevents().   $addentries=' onLoad="'.&Apache::lonmenu::loadevents().
    '" onUnload="'.&Apache::lonmenu::unloadevents().'"';      '" onUnload="'.&Apache::lonmenu::unloadevents().';'.
        $r->print(&Apache::lonmenu::registerurl(1));      $more_unload.'"';
    $r->print(&Apache::lonmenu::registerurl(1));
       } else {
    $addentries=' onUnload="'.$more_unload.'"';
     }      }
   
     # Header      # Header
     $r->print('</head>'.      $r->print('</head>'.
               &Apache::loncommon::bodytag('Navigate Course Contents','',                &Apache::loncommon::bodytag('Navigate Course Contents','',
                                     $addentries,'','',$ENV{'form.register'}));    $addentries,$body_only,'',
     $ENV{'form.register'}));
     $r->print('<script>window.focus();</script>');      $r->print('<script>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('<font size="+2" color="red">Coursemap undefined.</font>' .          $r->print('<font size="+2" color="red">Coursemap undefined.</font>' .
                   '</body></html>');                    '</body></html>');
         return OK;          return OK;
Line 185  sub real_handler { Line 283  sub real_handler {
         }          }
     }      }
   
       if ($ENV{QUERY_STRING} eq 'launchExternal') {
    $r->print('
             <form name="returnwin" action="/adm/flip?postdata=return%3a" 
                   method="post" target="loncapaclient">
             </form>');
    $r->print('
             <script type="text/javascript">
                 this.document.returnwin.submit();
             </script>');
       }
   
       if ($ENV{'environment.remotenavmap'} ne 'on') {
    $r->print(&launch_win('link','yes',\%toplinkitems));
       } 
       if ($ENV{'environment.remotenavmap'} eq 'on') {
    &add_linkitem(\%toplinkitems,'closenav','collapse()',
         "Close navigation window");
       } 
   
     my $jumpToFirstHomework = 0;      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} eq 'jumpToFirstHomework') {      if ($ENV{QUERY_STRING} =~ /^jumpToFirstHomework/) {
         $jumpToFirstHomework = 1;          $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);
Line 220  sub real_handler { Line 337  sub real_handler {
             $r->print("<font size='+2'>All homework assignments have been completed.</font><br /><br />");              $r->print("<font size='+2'>All homework assignments have been completed.</font><br /><br />");
         }          }
     } else {      } else {
         $r->print("<a href='navmaps?jumpToFirstHomework'>" .   &add_linkitem(\%toplinkitems,'firsthomework',
        &mt("Go To My First Homework Problem")."</a>&nbsp;&nbsp;&nbsp;&nbsp;");        'location.href="navmaps?jumpToFirstHomework"',
         "Show Me My First Homework Problem");
     }      }
   
     my $suppressEmptySequences = 0;      my $suppressEmptySequences = 0;
Line 230  sub real_handler { Line 348  sub real_handler {
   
     # Display only due homework.      # Display only due homework.
     my $showOnlyHomework = 0;      my $showOnlyHomework = 0;
     if ($ENV{QUERY_STRING} eq 'showOnlyHomework') {      if ($ENV{'form.showOnlyHomework'} eq "1") {
         $showOnlyHomework = 1;          $showOnlyHomework = 1;
         $suppressEmptySequences = 1;          $suppressEmptySequences = 1;
         $filterFunc = sub { my $res = shift;           $filterFunc = sub { my $res = shift; 
                             return $res->completable() || $res->is_map();                              return $res->completable() || $res->is_map();
                         };                          };
    &add_linkitem(\%toplinkitems,'everything',
        'location.href="navmaps?sort='.$ENV{'form.sort'}.'"',
         "Show Everything");
         $r->print("<p><font size='+2'>".&mt("Uncompleted Homework")."</font></p>");          $r->print("<p><font size='+2'>".&mt("Uncompleted Homework")."</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;
     } else {      } else {
         $r->print("<a href='navmaps?showOnlyHomework'>" .   &add_linkitem(\%toplinkitems,'uncompleted',
        &mt("Show Only Uncompleted Homework")."</a>&nbsp;&nbsp;&nbsp;&nbsp;");        'location.href="navmaps?sort='.$ENV{'form.sort'}.
     }            '&showOnlyHomework=1"',
         "Show Only Uncompleted Homework");
       }
   
       my %selected=($ENV{'form.sort'} => 'selected=on');
       my $sort_html=("<form>
                    <nobr>
                       <input type=\"hidden\" name=\"showOnlyHomework\" value=\"".$ENV{'form.showOnlyHomework'}."\" />
                       <input type=\"submit\" value=\"".&mt('Sort by:')."\" />
                       <select name=\"sort\">
                          <option value=\"default\" $selected{'default'}>".&mt('Default')."</option>
                          <option value=\"title\"   $selected{'title'}  >".&mt('Title')."</option>
                          <option value=\"duedate\" $selected{'duedate'}>".&mt('Duedate')."</option>
                          <option value=\"discussion\" $selected{'discussion'}>".&mt('Has New Discussion')."</option>
                       </select>
                    </nobr>
                  </form>");
     # renderer call      # renderer call
     my $renderArgs = { 'cols' => [0,1,2,3],      my $renderArgs = { 'cols' => [0,1,2,3],
          'sort' => $ENV{'form.sort'},
                        'url' => '/adm/navmaps',                         'url' => '/adm/navmaps',
                        'navmap' => $navmap,                         'navmap' => $navmap,
                        'suppressNavmap' => 1,                         'suppressNavmap' => 1,
                        'suppressEmptySequences' => $suppressEmptySequences,                         'suppressEmptySequences' => $suppressEmptySequences,
                        'filterFunc' => $filterFunc,                         'filterFunc' => $filterFunc,
        'resource_no_folder_link' => $resource_no_folder_link,         'resource_no_folder_link' => $resource_no_folder_link,
                        'r' => $r};         'sort_html'=> $sort_html,
                          'r' => $r,
                          'caller' => 'navmapsdisplay',
                          'linkitems' => \%toplinkitems};
     my $render = render($renderArgs);      my $render = render($renderArgs);
     $navmap->untieHashes();  
   
     # If no resources were printed, print a reassuring message so the      # If no resources were printed, print a reassuring message so the
     # user knows there was no error.      # user knows there was no error.
Line 296  sub removeFromFilter { Line 435  sub removeFromFilter {
   
 # Convenience function: Given a stack returned from getStack on the iterator,  # Convenience function: Given a stack returned from getStack on the iterator,
 # return the correct src() value.  # return the correct src() value.
 # Later, this should add an anchor when we start putting anchors in pages.  
 sub getLinkForResource {  sub getLinkForResource {
     my $stack = shift;      my $stack = shift;
     my $res;      my $res;
   
     # Check to see if there are any pages in the stack      # Check to see if there are any pages in the stack
     foreach $res (@$stack) {      foreach $res (@$stack) {
         if (defined($res) && $res->is_page()) {          if (defined($res)) {
             return $res->src();      my $anchor;
       if ($res->is_page()) {
    foreach (@$stack) { if (defined($_)) { $anchor = $_; }  }
    $anchor=&Apache::lonnet::escape($anchor->shown_symb());
    return ($res->link(),$res->shown_symb(),$anchor);
       }
               # in case folder was skipped over as "only sequence"
       my ($map,$id,$src)=&Apache::lonnet::decode_symb($res->symb());
       if ($map=~/\.page$/) {
    my $url=&Apache::lonnet::clutter($map);
    $anchor=&Apache::lonnet::escape($src->shown_symb());
    return ($url,$res->shown_symb(),$anchor);
       }
         }          }
     }      }
   
Line 316  sub getLinkForResource { Line 466  sub getLinkForResource {
         if (defined($_)) { $res = $_; }          if (defined($_)) { $res = $_; }
     }      }
   
     return $res->src();      return ($res->link(),$res->shown_symb());
 }  }
   
 # Convenience function: This seperates the logic of how to create  # Convenience function: This separates the logic of how to create
 # the problem text strings ("Due: DATE", "Open: DATE", "Not yet assigned",  # the problem text strings ("Due: DATE", "Open: DATE", "Not yet assigned",
 # etc.) into a seperate function. It takes a resource object as the  # etc.) into a separate function. It takes a resource object as the
 # first parameter, and the part number of the resource as the second.  # first parameter, and the part number of the resource as the second.
 # It's basically a big switch statement on the status of the resource.  # It's basically a big switch statement on the status of the resource.
   
Line 371  sub getDescription { Line 521  sub getDescription {
                 $triesString = "<b>$triesString</b>";                  $triesString = "<b>$triesString</b>";
             }              }
         }          }
         if ($res->duedate()) {          if ($res->duedate($part)) {
             return &mt("Due")." " . timeToHumanString($res->duedate($part)) .              return &mt("Due")." " . timeToHumanString($res->duedate($part)) .
                 " $triesString";                  " $triesString";
         } else {          } else {
Line 386  sub getDescription { Line 536  sub getDescription {
 # Convenience function, so others can use it: Is the problem due in less then  # Convenience function, so others can use it: Is the problem due in less then
 # 24 hours, and still can be done?  # 24 hours, and still can be done?
   
 sub dueInLessThen24Hours {  sub dueInLessThan24Hours {
     my $res = shift;      my $res = shift;
     my $part = shift;      my $part = shift;
     my $status = $res->status($part);      my $status = $res->status($part);
   
     return ($status == $res->OPEN() ||      return ($status == $res->OPEN() ||
             $status == $res->TRIES_LEFT()) &&              $status == $res->TRIES_LEFT()) &&
            $res->duedate() && $res->duedate() < time()+(24*60*60) &&      $res->duedate($part) && $res->duedate($part) < time()+(24*60*60) &&
            $res->duedate() > time();      $res->duedate($part) > time();
 }  }
   
 # Convenience function, so others can use it: Is there only one try remaining for the  # Convenience function, so others can use it: Is there only one try remaining for the
Line 406  sub lastTry { Line 556  sub lastTry {
     my $tries = $res->tries($part);      my $tries = $res->tries($part);
     my $maxtries = $res->maxtries($part);      my $maxtries = $res->maxtries($part);
     return $tries && $maxtries && $maxtries > 1 &&      return $tries && $maxtries && $maxtries > 1 &&
         $maxtries - $tries == 1 && $res->duedate() &&          $maxtries - $tries == 1 && $res->duedate($part) &&
         $res->duedate() > time();          $res->duedate($part) > time();
 }  }
   
 # This puts a human-readable name on the ENV variable.  # This puts a human-readable name on the ENV variable.
Line 517  sub timeToHumanString { Line 667  sub timeToHumanString {
         }          }
   
         # Not this year, so show the year          # Not this year, so show the year
         my $timeStr = strftime("on %A, %b %e %G at %I:%M %P", localtime($time));          my $timeStr = strftime("on %A, %b %e %Y at %I:%M %P", localtime($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;          return $timeStr;
Line 864  sub render_resource { Line 1014  sub render_resource {
     my $nonLinkedText = ''; # stuff after resource title not in link      my $nonLinkedText = ''; # stuff after resource title not in link
   
     my $link = $params->{"resourceLink"};      my $link = $params->{"resourceLink"};
   
       #  The URL part is not escaped at this point, but the symb is... 
       #  The stuff to the left of the ? must have ' replaced by \' since
       #  it will be quoted with ' in the href.
   
       my ($left,$right) = split(/\?/, $link);
       $left =~ s/'/\\'/g;
       $link = $left.'?'.$right;
   
     my $src = $resource->src();      my $src = $resource->src();
     my $it = $params->{"iterator"};      my $it = $params->{"iterator"};
     my $filter = $it->{FILTER};      my $filter = $it->{FILTER};
   
     my $title = $resource->compTitle();      my $title = $resource->compTitle();
     if ($src =~ /^\/uploaded\//) {  
         $nonLinkedText=$title;  
         $title = '';  
     }  
     my $partLabel = "";      my $partLabel = "";
     my $newBranchText = "";      my $newBranchText = "";
           my $location=&Apache::loncommon::lonhttpdurl("/adm/lonIcons");
     # If this is a new branch, label it so      # If this is a new branch, label it so
     if ($params->{'isNewBranch'}) {      if ($params->{'isNewBranch'}) {
         $newBranchText = "<img src='/adm/lonIcons/branch.gif' border='0' />";          $newBranchText = "<img src='$location/branch.gif' border='0' />";
     }      }
   
     # links to open and close the folder      # links to open and close the folder
   
       
     my $linkopen = "<a href='$link'>";      my $linkopen = "<a href='$link'>";
   
   
     my $linkclose = "</a>";      my $linkclose = "</a>";
   
     # Default icon: unknown page      # Default icon: unknown page
     my $icon = "<img src='/adm/lonIcons/unknown.gif' alt='' border='0' />";      my $icon = "<img src='$location/unknown.gif' alt='' border='0' />";
           
     if ($resource->is_problem()) {      if ($resource->is_problem()) {
         if ($part eq '0' || $params->{'condensed'}) {          if ($part eq '0' || $params->{'condensed'}) {
             $icon = '<img src="/adm/lonIcons/problem.gif" alt="" border="0" />';              $icon ='<img src="'.$location.'/problem.gif" alt="" border="0" />';
         } else {          } else {
             $icon = $params->{'indentString'};              $icon = $params->{'indentString'};
         }          }
     } else {      } else {
  my $curfext= (split (/\./,$resource->src))[-1];   $icon = "<img src='".&Apache::loncommon::lonhttpdurl(&Apache::loncommon::icon($resource->src))."' alt='' border='0' />";
  my $embstyle = &Apache::loncommon::fileembstyle($curfext);  
  # The unless conditional that follows is a bit of overkill  
  if (!(!defined($embstyle) || $embstyle eq 'unk' || $embstyle eq 'hdn')) {  
     $icon = "<img src='/adm/lonIcons/$curfext.gif' alt='' border='0' />";  
  }  
     }      }
   
     # Display the correct map icon to open or shut map      # Display the correct map icon to open or shut map
Line 915  sub render_resource { Line 1070  sub render_resource {
   
         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';
             $icon = "<img src='/adm/lonIcons/$icon' alt='' border='0' />";              $icon = "<img src='$location/$icon' alt='' border='0' />";
   
             $linkopen = "<a href='" . $params->{'url'} . '?' .               $linkopen = "<a href='" . $params->{'url'} . '?' . 
                 $params->{'queryString'} . '&filter=';                  $params->{'queryString'} . '&filter=';
Line 928  sub render_resource { Line 1083  sub render_resource {
                 '&jump=' .                  '&jump=' .
                 &Apache::lonnet::escape($resource->symb()) .                   &Apache::lonnet::escape($resource->symb()) . 
                 "&folderManip=1'>";                  "&folderManip=1'>";
   
         } else {          } else {
             # 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';
             $icon = "<img src='/adm/lonIcons/$icon' alt='' border='0' />";              $icon = "<img src='$location/$icon' alt='' border='0' />";
   
             $linkopen = "";              $linkopen = "";
             $linkclose = "";              $linkclose = "";
Line 955  sub render_resource { Line 1111  sub render_resource {
     }      }
   
     # Decide what to display      # Decide what to display
   
     $result .= "$newBranchText$linkopen$icon$linkclose";      $result .= "$newBranchText$linkopen$icon$linkclose";
           
     my $curMarkerBegin = '';      my $curMarkerBegin = '';
Line 970  sub render_resource { Line 1127  sub render_resource {
   
     if ($resource->is_problem() && $part ne '0' &&       if ($resource->is_problem() && $part ne '0' && 
         !$params->{'condensed'}) {          !$params->{'condensed'}) {
         $partLabel = " (Part $part)";   my $displaypart=$resource->part_display($part);
           $partLabel = " (Part: $displaypart)";
    if ($link!~/\#/) { $link.='#'.&Apache::lonnet::escape($part); }
         $title = "";          $title = "";
     }      }
   
Line 978  sub render_resource { Line 1137  sub render_resource {
         $nonLinkedText .= ' (' . $resource->countParts() . ' parts)';          $nonLinkedText .= ' (' . $resource->countParts() . ' parts)';
     }      }
   
     if (!$params->{'resource_nolink'} && $src !~ /^\/uploaded\// &&      my $target;
  !$resource->is_sequence()) {      if ($ENV{'environment.remotenavmap'} eq 'on') {
         $result .= "  $curMarkerBegin<a href='$link'>$title$partLabel</a>$curMarkerEnd $nonLinkedText</td>";   $target=' target="loncapaclient" ';
       }
       if (!$params->{'resource_nolink'} && !$resource->is_sequence() && !$resource->is_empty_sequence) {
           $result .= "  $curMarkerBegin<a $target href='$link'>$title$partLabel</a>$curMarkerEnd $nonLinkedText</td>";
     } else {      } else {
         $result .= "  $curMarkerBegin$title$partLabel$curMarkerEnd $nonLinkedText</td>";          $result .= "  $curMarkerBegin$title$partLabel$curMarkerEnd $nonLinkedText</td>";
     }      }
Line 995  sub render_communication_status { Line 1157  sub render_communication_status {
     my $link = $params->{"resourceLink"};      my $link = $params->{"resourceLink"};
     my $linkopen = "<a href='$link'>";      my $linkopen = "<a href='$link'>";
     my $linkclose = "</a>";      my $linkclose = "</a>";
       my $location=&Apache::loncommon::lonhttpdurl("/adm/lonMisc");
     if ($resource->hasDiscussion()) {      if ($resource->hasDiscussion()) {
         $discussionHTML = $linkopen .          $discussionHTML = $linkopen .
             '<img border="0" src="/adm/lonMisc/chat.gif" />' .              '<img border="0" src="'.$location.'/chat.gif" />' .
             $linkclose;              $linkclose;
     }      }
           
Line 1008  sub render_communication_status { Line 1170  sub render_communication_status {
             if ($_) {              if ($_) {
                 $feedbackHTML .= '&nbsp;<a href="/adm/email?display='                  $feedbackHTML .= '&nbsp;<a href="/adm/email?display='
                     . &Apache::lonnet::escape($_) . '">'                      . &Apache::lonnet::escape($_) . '">'
                     . '<img src="/adm/lonMisc/feedback.gif" '                      . '<img src="'.$location.'/feedback.gif" '
                     . 'border="0" /></a>';                      . 'border="0" /></a>';
             }              }
         }          }
Line 1016  sub render_communication_status { Line 1178  sub render_communication_status {
           
     if ($resource->getErrors()) {      if ($resource->getErrors()) {
         my $errors = $resource->getErrors();          my $errors = $resource->getErrors();
           my $errorcount = 0;
         foreach (split(/,/, $errors)) {          foreach (split(/,/, $errors)) {
               last if ($errorcount>=10); # Only output 10 bombs maximum
             if ($_) {              if ($_) {
                   $errorcount++;
                 $errorHTML .= '&nbsp;<a href="/adm/email?display='                  $errorHTML .= '&nbsp;<a href="/adm/email?display='
                     . &Apache::lonnet::escape($_) . '">'                      . &Apache::lonnet::escape($_) . '">'
                     . '<img src="/adm/lonMisc/bomb.gif" '                      . '<img src="'.$location.'/bomb.gif" '
                     . 'border="0" /></a>';                      . 'border="0" /></a>';
             }              }
         }          }
Line 1049  sub render_quick_status { Line 1214  sub render_quick_status {
         my $icon = $statusIconMap{$resource->simpleStatus($part)};          my $icon = $statusIconMap{$resource->simpleStatus($part)};
         my $alt = $iconAltTags{$icon};          my $alt = $iconAltTags{$icon};
         if ($icon) {          if ($icon) {
             $result .= "<td width='30' valign='center' width='50' align='right'>$linkopen<img width='25' height='25' src='/adm/lonIcons/$icon' border='0' alt='$alt' />$linkclose</td>\n";      my $location=
    &Apache::loncommon::lonhttpdurl("/adm/lonIcons/$icon");
               $result .= "<td width='30' valign='center' width='50' align='right'>$linkopen<img width='25' height='25' src='$location' border='0' alt='$alt' />$linkclose</td>\n";
         } else {          } else {
             $result .= "<td width='30'>&nbsp;</td>\n";              $result .= "<td width='30'>&nbsp;</td>\n";
         }          }
Line 1069  sub render_long_status { Line 1236  sub render_long_status {
     if ($resource->is_problem()) {      if ($resource->is_problem()) {
         $color = $colormap{$resource->status};          $color = $colormap{$resource->status};
                   
         if (dueInLessThen24Hours($resource, $part) ||          if (dueInLessThan24Hours($resource, $part) ||
             lastTry($resource, $part)) {              lastTry($resource, $part)) {
             $color = $hurryUpColor;              $color = $hurryUpColor;
         }          }
Line 1121  my @statuses = ($resObj->CORRECT, $resOb Line 1288  my @statuses = ($resObj->CORRECT, $resOb
 use Data::Dumper;  use Data::Dumper;
 sub render_parts_summary_status {  sub render_parts_summary_status {
     my ($resource, $part, $params) = @_;      my ($resource, $part, $params) = @_;
     if (!$resource->is_problem()) { return '<td></td>'; }      if (!$resource->is_problem() && !$resource->contains_problem) { return '<td></td>'; }
     if ($params->{showParts}) {       if ($params->{showParts}) { 
  return '<td></td>';   return '<td></td>';
     }      }
   
     my $td = "<td align='right'>\n";      my $td = "<td align='right'>\n";
     my $endtd = "</td>\n";      my $endtd = "</td>\n";
       my @probs;
   
     # If there is a single part, just show the simple status      if ($resource->contains_problem) {
     if ($resource->singlepart()) {   @probs=$resource->retrieveResources($resource,sub { $_[0]->is_problem() },1,0);
  my $status = $resource->simpleStatus('0');      } else {
  return $td . "<font color='" . $statusColors{$status} . "'>"   @probs=($resource);
     . $statusStrings{$status} . "</font>" . $endtd;      }
     }      my $return;
       my %overallstatus;
     # Now we can be sure the $part doesn't really matter.      my $totalParts;
     my $statusCount = $resource->simpleStatusCount();      foreach my $resource (@probs) {
     my @counts;   # If there is a single part, just show the simple status
     foreach my $status(@statuses) {   if ($resource->singlepart()) {
  # decouple display order from the simpleStatusCount order      my $status = $resource->simpleStatus(${$resource->parts}[0]);
  my $slot = Apache::lonnavmaps::resource::statusToSlot($status);      $overallstatus{$status}++;
  if ($statusCount->[$slot]) {      $totalParts++;
     push @counts, "<font color='" . $statusColors{$status} .      next;
  "'>" . $statusCount->[$slot] . ' '   }
    # Now we can be sure the $part doesn't really matter.
    my $statusCount = $resource->simpleStatusCount();
    my @counts;
    foreach my $status (@statuses) {
       # decouple display order from the simpleStatusCount order
       my $slot = Apache::lonnavmaps::resource::statusToSlot($status);
       if ($statusCount->[$slot]) {
    $overallstatus{$status}+=$statusCount->[$slot];
    $totalParts+=$statusCount->[$slot];
       }
    }
       }
       $return.= $td . $totalParts . ' parts: ';
       foreach my $status (@statuses) {
    if ($overallstatus{$status}) {
       $return.="<font color='" . $statusColors{$status} .
    "'>" . $overallstatus{$status} . ' '
  . $statusStrings{$status} . "</font>";   . $statusStrings{$status} . "</font>";
  }   }
     }      }
       $return.= $endtd;
     return $td . $resource->countParts() . ' parts: ' . join (', ', @counts) . $endtd;      return $return;
 }  }
   
 my @preparedColumns = (\&render_resource, \&render_communication_status,  my @preparedColumns = (\&render_resource, \&render_communication_status,
Line 1162  sub setDefault { Line 1347  sub setDefault {
     return $val;      return $val;
 }  }
   
   sub cmp_title {
       my ($atitle,$btitle) = (lc($_[0]->compTitle),lc($_[1]->compTitle));
       $atitle=~s/^\s*//;
       $btitle=~s/^\s*//;
       return $atitle cmp $btitle;
   }
   
 sub render {  sub render {
     my $args = shift;      my $args = shift;
     &Apache::loncommon::get_unprocessed_cgi($ENV{QUERY_STRING});      &Apache::loncommon::get_unprocessed_cgi($ENV{QUERY_STRING});
     my $result = '';      my $result = '';
   
     # Configure the renderer.      # Configure the renderer.
     my $cols = $args->{'cols'};      my $cols = $args->{'cols'};
     if (!defined($cols)) {      if (!defined($cols)) {
Line 1184  sub render { Line 1375  sub render {
     my $jump = $args->{'jump'};      my $jump = $args->{'jump'};
     my $here = $args->{'here'};      my $here = $args->{'here'};
     my $suppressNavmap = setDefault($args->{'suppressNavmap'}, 0);      my $suppressNavmap = setDefault($args->{'suppressNavmap'}, 0);
       my $closeAllPages = setDefault($args->{'closeAllPages'}, 0);
     my $currentJumpDelta = 2; # change this to change how many resources are displayed      my $currentJumpDelta = 2; # change this to change how many resources are displayed
                              # before the current resource when using #current                               # before the current resource when using #current
   
Line 1228  sub render { Line 1420  sub render {
         # Determine where the "here" marker is and where the screen jumps to.          # Determine where the "here" marker is and where the screen jumps to.
   
         if ($ENV{'form.postsymb'}) {          if ($ENV{'form.postsymb'}) {
             $here = $jump = $ENV{'form.postsymb'};              $here = $jump = &Apache::lonnet::symbclean($ENV{'form.postsymb'});
         } elsif ($ENV{'form.postdata'}) {          } elsif ($ENV{'form.postdata'}) {
             # couldn't find a symb, is there a URL?              # couldn't find a symb, is there a URL?
             my $currenturl = $ENV{'form.postdata'};              my $currenturl = $ENV{'form.postdata'};
Line 1246  sub render { Line 1438  sub render {
         # We only need to do this if we need to open the maps to show the          # We only need to do this if we need to open the maps to show the
         # current position. This will change the counter so we can't count          # current position. This will change the counter so we can't count
         # for the jump marker with this loop.          # for the jump marker with this loop.
         while (($curRes = $mapIterator->next()) && !$found) {          while ($here && ($curRes = $mapIterator->next()) && !$found) {
             if (ref($curRes) && $curRes->symb() eq $here) {              if (ref($curRes) && $curRes->symb() eq $here) {
                 my $mapStack = $mapIterator->getStack();                  my $mapStack = $mapIterator->getStack();
                                   
Line 1292  sub render { Line 1484  sub render {
             $args->{'iterator'} = $it = $navmap->getIterator(undef, undef, $filterHash, $condition);              $args->{'iterator'} = $it = $navmap->getIterator(undef, undef, $filterHash, $condition);
         }          }
     }      }
       
     # (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 1322  sub render { Line 1514  sub render {
     my $printKey = $args->{'printKey'};      my $printKey = $args->{'printKey'};
     my $printCloseAll = $args->{'printCloseAll'};      my $printCloseAll = $args->{'printCloseAll'};
     if (!defined($printCloseAll)) { $printCloseAll = 1; }      if (!defined($printCloseAll)) { $printCloseAll = 1; }
       
     # Print key?      # Print key?
     if ($printKey) {      if ($printKey) {
         $result .= '<table border="0" cellpadding="2" cellspacing="0">';          $result .= '<table border="0" cellpadding="2" cellspacing="0">';
         my $date=localtime;          my $date=localtime;
         $result.='<tr><td align="right" valign="bottom">Key:&nbsp;&nbsp;</td>';          $result.='<tr><td align="right" valign="bottom">Key:&nbsp;&nbsp;</td>';
    my $location=&Apache::loncommon::lonhttpdurl("/adm/lonMisc");
         if ($navmap->{LAST_CHECK}) {          if ($navmap->{LAST_CHECK}) {
             $result .=               $result .= 
                 '<img src="/adm/lonMisc/chat.gif"> '.&mt('New discussion since').' '.                  '<img src="'.$location.'/chat.gif"> '.&mt('New discussion since').' '.
                 strftime("%A, %b %e at %I:%M %P", localtime($navmap->{LAST_CHECK})).                  strftime("%A, %b %e at %I:%M %P", localtime($navmap->{LAST_CHECK})).
                 '</td><td align="center" valign="bottom">&nbsp;&nbsp;'.                  '</td><td align="center" valign="bottom">&nbsp;&nbsp;'.
                 '<img src="/adm/lonMisc/feedback.gif"> '.&mt('New message (click to open)').'<p>'.                  '<img src="'.$location.'/feedback.gif"> '.&mt('New message (click to open)').'<p>'.
                 '</td>';                   '</td>'; 
         } else {          } else {
             $result .= '<td align="center" valign="bottom">&nbsp;&nbsp;'.              $result .= '<td align="center" valign="bottom">&nbsp;&nbsp;'.
                 '<img src="/adm/lonMisc/chat.gif"> '.&mt('Discussions').'</td><td align="center" valign="bottom">'.                  '<img src="'.$location.'/chat.gif"> '.&mt('Discussions').'</td><td align="center" valign="bottom">'.
                 '&nbsp;&nbsp;<img src="/adm/lonMisc/feedback.gif"> '.&mt('New message (click to open)').                  '&nbsp;&nbsp;<img src="'.$location.'/feedback.gif"> '.&mt('New message (click to open)').
                 '</td>';                   '</td>'; 
         }          }
   
Line 1346  sub render { Line 1539  sub render {
     }      }
   
     if ($printCloseAll && !$args->{'resource_no_folder_link'}) {      if ($printCloseAll && !$args->{'resource_no_folder_link'}) {
    my ($link,$text);
         if ($condition) {          if ($condition) {
             $result.="<a href=\"navmaps?condition=0&filter=&$queryString" .      $link='"navmaps?condition=0&filter=&'.$queryString.
                 "&here=" . Apache::lonnet::escape($here) .   '&here='.&Apache::lonnet::escape($here).'"';
                 "\">".&mt('Close All Folders')."</a>";      $text='Close All Folders';
         } else {          } else {
             $result.="<a href=\"navmaps?condition=1&filter=&$queryString" .      $link='"navmaps?condition=1&filter=&'.$queryString.
                 "&here=" . Apache::lonnet::escape($here) .    '&here='.&Apache::lonnet::escape($here).'"';
                 "\">".&mt('Open All Folders')."</a>";      $text='Open All Folders';
           }
    if ($args->{'caller'} eq 'navmapsdisplay') {
       &add_linkitem($args->{'linkitems'},'changefolder',
     'location.href='.$link,$text);
    } else {
       $result.='<a href='.$link.'>'.&mt($text).'</a>';
    }
           $result .= "\n";
       }
   
       # Check for any unread discussions in all resources.
       if ($args->{'caller'} eq 'navmapsdisplay') {
    &add_linkitem($args->{'linkitems'},'clearbubbles',
         'document.clearbubbles.submit()',
         'Mark all posts read');
    my $time=time;
    $result .= (<<END);
       <form name="clearbubbles" method="post" action="/adm/feedback">
    <input type="hidden" name="navurl" value="$ENV{'QUERY_STRING'}" />
    <input type="hidden" name="navtime" value="$time" />
   END
           if ($args->{'sort'} eq 'discussion') { 
       my $totdisc = 0;
       my $haveDisc = '';
       my @allres=$navmap->retrieveResources();
       foreach my $resource (@allres) {
    if ($resource->hasDiscussion()) {
       my $ressymb;
       if ($resource->symb() =~ m-(___adm/\w+/\w+)/(\d+)/bulletinboard$-) {
    $ressymb = 'bulletin___'.$2.$1.'/'.$2.'/bulletinboard';
       } else {
    $ressymb = $resource->symb();
       }
       $haveDisc .= $ressymb.':';
       $totdisc ++;
    }
       }
       if ($totdisc > 0) {
    $haveDisc =~ s/:$//;
    $result .= (<<END);
    <input type="hidden" name="navmaps" value="$haveDisc" />
       </form>
   END
               }
    }
    $result.='</form>';
       }
   
       if ($args->{'caller'} eq 'navmapsdisplay') {
           $result .= '<table><tr><td>'.
                      &Apache::loncommon::help_open_menu('','Navigation Screen','Navigation_Screen','',undef,'RAT').'</td>';
    if ($ENV{'environment.remotenavmap'} ne 'on') {
       $result .= '<td>&nbsp;</td>'; 
           } else {
       $result .= '</tr><tr>'; 
         }          }
         $result .= "<br /><br />\n";   $result.=&show_linkitems($args->{'linkitems'});
     }              if ($args->{'sort_html'}) {
       if ($ENV{'environment.remotenavmap'} ne 'on') {
    $result.='<td>&nbsp;</td><td>&nbsp;</td><td>&nbsp;</td>'.
       '<td align="right">'.$args->{'sort_html'}.'</td></tr>';
       } else {
    $result.='</tr><tr><td align="left"><br />'.
       $args->{'sort_html'}.'</td></tr>';
       }
    }
           $result .= '</table>';
       } elsif ($args->{'sort_html'}) { 
           $result.=$args->{'sort_html'}; 
       }
   
       $result .= "<br />\n";
     if ($r) {      if ($r) {
         $r->print($result);          $r->print($result);
         $r->rflush();          $r->rflush();
Line 1379  sub render { Line 1641  sub render {
     $args->{'indentLevel'} = 0;      $args->{'indentLevel'} = 0;
     $args->{'isNewBranch'} = 0;      $args->{'isNewBranch'} = 0;
     $args->{'condensed'} = 0;          $args->{'condensed'} = 0;    
     $args->{'indentString'} = setDefault($args->{'indentString'}, "<img src='/adm/lonIcons/whitespace1.gif' width='25' height='1' alt='' border='0' />");      my $location=
    &Apache::loncommon::lonhttpdurl("/adm/lonIcons/whitespace1.gif");
       $args->{'indentString'} = setDefault($args->{'indentString'}, "<img src='$location' width='25' height='1' alt='' border='0' />");
     $args->{'displayedHereMarker'} = 0;      $args->{'displayedHereMarker'} = 0;
   
     # If we're suppressing empty sequences, look for them here. Use DFS for speed,      # If we're suppressing empty sequences, look for them here. Use DFS for speed,
Line 1429  sub render { Line 1693  sub render {
     $args->{'here'} = $here;      $args->{'here'} = $here;
   
     $args->{'indentLevel'} = -1; # first BEGIN_MAP takes this to 0      $args->{'indentLevel'} = -1; # first BEGIN_MAP takes this to 0
     while ($curRes = $it->next()) {      my @resources;
       my $code='';# sub { !(shift->is_map();) };
       if ($args->{'sort'} eq 'title') {
           my $oldFilterFunc = $filterFunc;
    my $filterFunc= 
       sub {
    my ($res)=@_;
    if ($res->is_map()) { return 0;}
    return &$oldFilterFunc($res);
       };
    @resources=$navmap->retrieveResources(undef,$filterFunc);
    @resources= sort { &cmp_title($a,$b) } @resources;
       } elsif ($args->{'sort'} eq 'duedate') {
    my $oldFilterFunc = $filterFunc;
    my $filterFunc= 
       sub {
    my ($res)=@_;
    if (!$res->is_problem()) { return 0;}
    return &$oldFilterFunc($res);
       };
    @resources=$navmap->retrieveResources(undef,$filterFunc);
    @resources= sort {
       if ($a->duedate ne $b->duedate) {
           return $a->duedate cmp $b->duedate;
       }
       my $value=&cmp_title($a,$b);
       return $value;
    } @resources;
       } elsif ($args->{'sort'} eq 'discussion') {
    my $oldFilterFunc = $filterFunc;
    my $filterFunc= 
       sub {
    my ($res)=@_;
    if (!$res->hasDiscussion() &&
       !$res->getFeedback() &&
       !$res->getErrors()) { return 0;}
    return &$oldFilterFunc($res);
       };
    @resources=$navmap->retrieveResources(undef,$filterFunc);
    @resources= sort { &cmp_title($a,$b) } @resources;
       } else {
    #unknow sort mechanism or default
    undef($args->{'sort'});
       }
   
   
       while (1) {
    if ($args->{'sort'}) {
       $curRes = shift(@resources);
    } else {
       $curRes = $it->next($closeAllPages);
    }
    if (!$curRes) { last; }
   
         # Maintain indentation level.          # Maintain indentation level.
         if ($curRes == $it->BEGIN_MAP() ||          if ($curRes == $it->BEGIN_MAP() ||
             $curRes == $it->BEGIN_BRANCH() ) {              $curRes == $it->BEGIN_BRANCH() ) {
Line 1532  sub render { Line 1849  sub render {
             # Add part 0 so we display it correctly.              # Add part 0 so we display it correctly.
             unshift @parts, '0';              unshift @parts, '0';
         }          }
   
    {
       my ($src,$symb,$anchor,$stack);
       if ($args->{'sort'}) {
    my $it = $navmap->getIterator(undef, undef, undef, 1);
    while ( my $res=$it->next()) {
       if (ref($res) &&
    $res->symb() eq  $curRes->symb()) { last; }
    }
    $stack=$it->getStack();
       } else {
    $stack=$it->getStack();
       }
       ($src,$symb,$anchor)=getLinkForResource($stack);
       if (defined($anchor)) { $anchor='#'.$anchor; }
       my $srcHasQuestion = $src =~ /\?/;
       $args->{"resourceLink"} = $src.
    ($srcHasQuestion?'&':'?') .
    'symb=' . &Apache::lonnet::escape($symb).$anchor;
    }
         # Now, we've decided what parts to show. Loop through them and          # Now, we've decided what parts to show. Loop through them and
         # show them.          # show them.
         foreach my $part (@parts) {          foreach my $part (@parts) {
Line 1543  sub render { Line 1879  sub render {
   
             # Set up some data about the parts that the cols might want              # Set up some data about the parts that the cols might want
             my $filter = $it->{FILTER};              my $filter = $it->{FILTER};
             my $stack = $it->getStack();  
             my $src = getLinkForResource($stack);  
               
             my $srcHasQuestion = $src =~ /\?/;  
             $args->{"resourceLink"} = $src.  
                 ($srcHasQuestion?'&':'?') .  
                 'symb=' . &Apache::lonnet::escape($curRes->symb());  
               
             # Now, display each column.              # Now, display each column.
             foreach my $col (@$cols) {              foreach my $col (@$cols) {
                 my $colHTML = '';                  my $colHTML = '';
Line 1600  sub render { Line 1929  sub render {
     # it's quite likely this might fix other browsers, too, and       # it's quite likely this might fix other browsers, too, and 
     # certainly won't hurt anything.      # certainly won't hurt anything.
     if ($displayedJumpMarker) {      if ($displayedJumpMarker) {
         $result .= "<script>setTimeout(\"location += '#curloc';\", 0)</script>\n";          $result .= "
   <script>
   if (location.href.indexOf('#curloc')==-1) {
       setTimeout(\"location += '#curloc';\", 0)
   }
   </script>";
     }      }
   
     $result .= "</table>";      $result .= "</table>";
Line 1611  sub render { Line 1945  sub render {
         $r->rflush();          $r->rflush();
     }      }
                   
     if ($mustCloseNavMap) { $navmap->untieHashes(); }       return $result;
   }
   
   sub add_linkitem {
       my ($linkitems,$name,$cmd,$text)=@_;
       $$linkitems{$name}{'cmd'}=$cmd;
       $$linkitems{$name}{'text'}=&mt($text);
   }
   
   sub show_linkitems {
       my ($linkitems)=@_;
       my @linkorder = ("blank","launchnav","closenav","firsthomework",
        "everything","uncompleted","changefolder","clearbubbles");
       
       my $result .= (<<ENDBLOCK);
                 <td align="left">
   <script type="text/javascript">
       function changeNavDisplay () {
    var navchoice = document.linkitems.toplink[document.linkitems.toplink.selectedIndex].value;
   ENDBLOCK
       foreach my $link (@linkorder) {
    $result.= "if (navchoice == '$link') {".
       $linkitems->{$link}{'cmd'}."}\n";
       }
       $result.='}
                 </script>
                      <form name="linkitems" method="post">
                          <nobr><select name="toplink">'."\n";
       foreach my $link (@linkorder) {
    if (defined($linkitems->{$link})) {
       if ($linkitems->{$link}{'text'} ne '') {
    $result .= ' <option value="'.$link.'">'.
       $linkitems->{$link}{'text'}."</option>\n";
       }
    }
       }
       $result .= '</select>&nbsp;<input type="button" name="chgnav"
                      value="Go" onClick="javascript:changeNavDisplay()" />
                   </nobr></form></td>'."\n";
   
     return $result;      return $result;
 }  }
   
Line 1673  successful, or B<undef> if not. Line 2045  successful, or B<undef> if not.
   
 =back  =back
   
 When you are done with the $navmap object, you I<must> call   
 $navmap->untieHashes(), or you'll prevent the current user from using that   
 course until the web server is restarted. (!)  
   
 =head2 Methods  =head2 Methods
   
 =over 4  =over 4
Line 1791  sub generate_course_user_opt { Line 2159  sub generate_course_user_opt {
   
 sub generate_email_discuss_status {  sub generate_email_discuss_status {
     my $self = shift;      my $self = shift;
       my $symb = shift;
     if ($self->{EMAIL_DISCUSS_GENERATED}) { return; }      if ($self->{EMAIL_DISCUSS_GENERATED}) { return; }
   
     my $cid=$ENV{'request.course.id'};      my $cid=$ENV{'request.course.id'};
Line 1803  sub generate_email_discuss_status { Line 2172  sub generate_email_discuss_status {
    $courseLeaveTime : $logoutTime);     $courseLeaveTime : $logoutTime);
     my %discussiontime = &Apache::lonnet::dump('discussiontimes',       my %discussiontime = &Apache::lonnet::dump('discussiontimes', 
        $cdom, $cnum);         $cdom, $cnum);
       my %lastread = &Apache::lonnet::dump('nohist_'.$cid.'_discuss',
                                           $ENV{'user.domain'},$ENV{'user.name'},'lastread');
       my %lastreadtime = ();
       foreach (keys %lastread) {
           my $key = $_;
           $key =~ s/_lastread$//;
           $lastreadtime{$key} = $lastread{$_};
       }
   
     my %feedback=();      my %feedback=();
     my %error=();      my %error=();
     my $keys = &Apache::lonnet::reply('keys:'.      my $keys = &Apache::lonnet::reply('keys:'.
Line 1812  sub generate_email_discuss_status { Line 2190  sub generate_email_discuss_status {
           
     foreach my $msgid (split(/\&/, $keys)) {      foreach my $msgid (split(/\&/, $keys)) {
  $msgid=&Apache::lonnet::unescape($msgid);   $msgid=&Apache::lonnet::unescape($msgid);
  my $plain=&Apache::lonnet::unescape(&Apache::lonnet::unescape($msgid));   if ((!$emailstatus{$msgid}) || ($emailstatus{$msgid} eq 'new')) {
  if ($plain=~/(Error|Feedback) \[([^\]]+)\]/) {      my $plain=
     my ($what,$url)=($1,$2);   &Apache::lonnet::unescape(&Apache::lonnet::unescape($msgid));
     my %status=      if ($plain=~/(Error|Feedback) \[([^\]]+)\]/) {
  &Apache::lonnet::get('email_status',[$msgid]);   my ($what,$url)=($1,$2);
     if ($status{$msgid}=~/^error\:/) {   
  $status{$msgid}='';   
     }  
       
     if (($status{$msgid} eq 'new') ||   
  (!$status{$msgid})) {   
  if ($what eq 'Error') {   if ($what eq 'Error') {
     $error{$url}.=','.$msgid;       $error{$url}.=','.$msgid; 
  } else {   } else {
Line 1832  sub generate_email_discuss_status { Line 2204  sub generate_email_discuss_status {
  }   }
     }      }
           
       #url's of resources that have feedbacks
     $self->{FEEDBACK} = \%feedback;      $self->{FEEDBACK} = \%feedback;
     $self->{ERROR_MSG} = \%error; # what is this? JB      #or errors
       $self->{ERROR_MSG} = \%error;
     $self->{DISCUSSION_TIME} = \%discussiontime;      $self->{DISCUSSION_TIME} = \%discussiontime;
     $self->{EMAIL_STATUS} = \%emailstatus;      $self->{EMAIL_STATUS} = \%emailstatus;
       $self->{LAST_READ} = \%lastreadtime;
           
     $self->{EMAIL_DISCUSS_GENERATED} = 1;      $self->{EMAIL_DISCUSS_GENERATED} = 1;
 }  }
Line 1886  sub getIterator { Line 2261  sub getIterator {
     return $iterator;      return $iterator;
 }  }
   
 # unties the hash when done  
 sub untieHashes {  
     my $self = shift;  
     untie %{$self->{NAV_HASH}};  
     untie %{$self->{PARM_HASH}};  
 }  
   
 # Private method: Does the given resource (as a symb string) have  # Private method: Does the given resource (as a symb string) have
 # current discussion? Returns 0 if chat/mail data not extracted.  # current discussion? Returns 0 if chat/mail data not extracted.
 sub hasDiscussion {  sub hasDiscussion {
Line 1904  sub hasDiscussion { Line 2272  sub hasDiscussion {
     if (!defined($self->{DISCUSSION_TIME})) { return 0; }      if (!defined($self->{DISCUSSION_TIME})) { return 0; }
   
     #return defined($self->{DISCUSSION_TIME}->{$symb});      #return defined($self->{DISCUSSION_TIME}->{$symb});
     return $self->{DISCUSSION_TIME}->{$symb} >  
            $self->{LAST_CHECK};  # backward compatibility (bulletin boards used to be 'wrapped')
       my $ressymb = $symb;
       if ($ressymb =~ m|adm/(\w+)/(\w+)/(\d+)/bulletinboard$|) {
           unless ($ressymb =~ m|adm/wrapper/adm|) {
               $ressymb = 'bulletin___'.$3.'___adm/wrapper/adm/'.$1.'/'.$2.'/'.$3.'/bulletinboard';
           }
       }
   
       if ( defined ( $self->{LAST_READ}->{$ressymb} ) ) {
           return $self->{DISCUSSION_TIME}->{$ressymb} > $self->{LAST_READ}->{$ressymb};
       } else {
   #        return $self->{DISCUSSION_TIME}->{$ressymb} >  $self->{LAST_CHECK}; # v.1.1 behavior 
           return $self->{DISCUSSION_TIME}->{$ressymb} >  0; # in 1.2 will display speech bubble icons for all items with posts until marked as read (even if read in v 1.1).
       }
 }  }
   
 # Private method: Does the given resource (as a symb string) have  # Private method: Does the given resource (as a symb string) have
Line 1976  sub getById { Line 2357  sub getById {
 sub getBySymb {  sub getBySymb {
     my $self = shift;      my $self = shift;
     my $symb = shift;      my $symb = shift;
   
     my ($mapUrl, $id, $filename) = &Apache::lonnet::decode_symb($symb);      my ($mapUrl, $id, $filename) = &Apache::lonnet::decode_symb($symb);
     my $map = $self->getResourceByUrl($mapUrl);      my $map = $self->getResourceByUrl($mapUrl);
     return $self->getById($map->map_pc() . '.' . $id);      my $returnvalue = undef;
       if (ref($map)) {
           $returnvalue = $self->getById($map->map_pc() .'.'.$id);
       }
       return $returnvalue;
 }  }
   
 sub getByMapPc {  sub getByMapPc {
Line 2102  sub parmval_real { Line 2488  sub parmval_real {
   
 # ----------------------------------------------------- fourth , check default  # ----------------------------------------------------- fourth , check default
   
     my $default=&Apache::lonnet::metadata($fn,$rwhat.'.default');      my $meta_rwhat=$rwhat;
       $meta_rwhat=~s/\./_/g;
       my $default=&Apache::lonnet::metadata($fn,$meta_rwhat);
       if (defined($default)) { return $default}
       $default=&Apache::lonnet::metadata($fn,'parameter_'.$meta_rwhat);
     if (defined($default)) { return $default}      if (defined($default)) { return $default}
   
 # --------------------------------------------------- fifth , cascade up parts  # --------------------------------------------------- fifth , cascade up parts
Line 2157  want to know is if I<any> resources matc Line 2547  want to know is if I<any> resources matc
 parameter will allow you to avoid potentially expensive enumeration of  parameter will allow you to avoid potentially expensive enumeration of
 all matching resources.  all matching resources.
   
 =item * B<hasResources>(map, filterFunc, recursive):  =item * B<hasResource>(map, filterFunc, recursive):
   
 Convience method for  Convience method for
   
Line 2168  in the filter function. Line 2558  in the filter function.
   
 =cut  =cut
   
   
 sub getResourceByUrl {  sub getResourceByUrl {
     my $self = shift;      my $self = shift;
     my $resUrl = shift;      my $resUrl = shift;
Line 2250  sub hasResource { Line 2641  sub hasResource {
 1;  1;
   
 package Apache::lonnavmaps::iterator;  package Apache::lonnavmaps::iterator;
   use WeakRef;
 =pod  =pod
   
 =back  =back
Line 2345  consisting entirely of empty resources e Line 2736  consisting entirely of empty resources e
 ending resource, will cause a lot of BRANCH_STARTs and BRANCH_ENDs,  ending resource, will cause a lot of BRANCH_STARTs and BRANCH_ENDs,
 but only one resource will be returned.  but only one resource will be returned.
   
   =back
   
 =head2 Normal Usage  =head2 Normal Usage
   
 Normal usage of the iterator object is to do the following:  Normal usage of the iterator object is to do the following:
Line 2365  the depth of the iterator to see when it Line 2758  the depth of the iterator to see when it
 code. It is difficult to get right and harder to understand then  code. It is difficult to get right and harder to understand then
 this. They should be migrated to this new style.  this. They should be migrated to this new style.
   
 =back  
   
 =cut  =cut
   
 # Here are the tokens for the iterator:  # Here are the tokens for the iterator:
Line 2390  sub new { Line 2781  sub new {
     my $class = ref($proto) || $proto;      my $class = ref($proto) || $proto;
     my $self = {};      my $self = {};
   
     $self->{NAV_MAP} = shift;      weaken($self->{NAV_MAP} = shift);
     return undef unless ($self->{NAV_MAP});      return undef unless ($self->{NAV_MAP});
   
     # Handle the parameters      # Handle the parameters
Line 2503  sub new { Line 2894  sub new {
     }      }
   
     # Check: Was this only one resource, a map?      # Check: Was this only one resource, a map?
     if ($resourceCount == 1 && $resource->is_map() && !$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           return 
Line 2536  sub new { Line 2927  sub new {
   
 sub next {  sub next {
     my $self = shift;      my $self = shift;
       my $closeAllPages=shift;
     if ($self->{FINISHED}) {      if ($self->{FINISHED}) {
  return END_ITERATOR();   return END_ITERATOR();
     }      }
Line 2550  sub next { Line 2941  sub next {
   
     if ($self->{RECURSIVE_ITERATOR_FLAG}) {      if ($self->{RECURSIVE_ITERATOR_FLAG}) {
         # grab the next from the recursive iterator           # grab the next from the recursive iterator 
         my $next = $self->{RECURSIVE_ITERATOR}->next();          my $next = $self->{RECURSIVE_ITERATOR}->next($closeAllPages);
   
         # is it a begin or end map? If so, update the depth          # is it a begin or end map? If so, update the depth
         if ($next == BEGIN_MAP() ) { $self->{RECURSIVE_DEPTH}++; }          if ($next == BEGIN_MAP() ) { $self->{RECURSIVE_DEPTH}++; }
Line 2664  sub next { Line 3055  sub next {
   
     # That ends the main iterator logic. Now, do we want to recurse      # That ends the main iterator logic. Now, do we want to recurse
     # down this map (if this resource is a map)?      # down this map (if this resource is a map)?
     if ($self->{HERE}->is_map() &&      if ( ($self->{HERE}->is_sequence() || (!$closeAllPages && $self->{HERE}->is_page())) &&
         (defined($self->{FILTER}->{$self->{HERE}->map_pc()}) xor $self->{CONDITION})) {          (defined($self->{FILTER}->{$self->{HERE}->map_pc()}) xor $self->{CONDITION})) {
         $self->{RECURSIVE_ITERATOR_FLAG} = 1;          $self->{RECURSIVE_ITERATOR_FLAG} = 1;
         my $firstResource = $self->{HERE}->map_start();          my $firstResource = $self->{HERE}->map_start();
Line 2682  sub next { Line 3073  sub next {
     my $browsePriv = $self->{HERE}->browsePriv();      my $browsePriv = $self->{HERE}->browsePriv();
     if (!$self->{HERE}->src() ||       if (!$self->{HERE}->src() || 
         (!($browsePriv eq 'F') && !($browsePriv eq '2')) ) {          (!($browsePriv eq 'F') && !($browsePriv eq '2')) ) {
         return $self->next();          return $self->next($closeAllPages);
     }      }
   
     return $self->{HERE};      return $self->{HERE};
Line 2726  sub populateStack { Line 3117  sub populateStack {
 1;  1;
   
 package Apache::lonnavmaps::DFSiterator;  package Apache::lonnavmaps::DFSiterator;
   use WeakRef;
 # 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
 #  through the nav map and presents the resources in a depth-first search  #  through the nav map and presents the resources in a depth-first search
 #  fashion, ignorant of conditionals, randomized resources, etc. It presents  #  fashion, ignorant of conditionals, randomized resources, etc. It presents
Line 2734  package Apache::lonnavmaps::DFSiterator; Line 3125  package Apache::lonnavmaps::DFSiterator;
 #  useful for pre-processing of some kind, and is in fact used by the main  #  useful for pre-processing of some kind, and is in fact used by the main
 #  iterator that way, but that's about it.  #  iterator that way, but that's about it.
 # One could imagine merging this into the init routine of the main iterator,  # One could imagine merging this into the init routine of the main iterator,
 #  but this might as well be left seperate, since it is possible some other  #  but this might as well be left separate, since it is possible some other
 #  use might be found for it. - Jeremy  #  use might be found for it. - Jeremy
   
 # Unlike the main iterator, this DOES return all resources, even blank ones.  # Unlike the main iterator, this DOES return all resources, even blank ones.
Line 2754  sub new { Line 3145  sub new {
     my $class = ref($proto) || $proto;      my $class = ref($proto) || $proto;
     my $self = {};      my $self = {};
   
     $self->{NAV_MAP} = shift;      weaken($self->{NAV_MAP} = shift);
     return undef unless ($self->{NAV_MAP});      return undef unless ($self->{NAV_MAP});
   
     $self->{FIRST_RESOURCE} = shift || $self->{NAV_MAP}->firstResource();      $self->{FIRST_RESOURCE} = shift || $self->{NAV_MAP}->firstResource();
Line 2908  sub populateStack { Line 3299  sub populateStack {
 1;  1;
   
 package Apache::lonnavmaps::resource;  package Apache::lonnavmaps::resource;
   use WeakRef;
 use Apache::lonnet;  use Apache::lonnet;
   
 =pod  =pod
Line 2990  sub new { Line 3381  sub new {
     my $class = ref($proto) || $proto;      my $class = ref($proto) || $proto;
     my $self = {};      my $self = {};
   
     $self->{NAV_MAP} = shift;      weaken($self->{NAV_MAP} = shift);
     $self->{ID} = shift;      $self->{ID} = shift;
   
     # Store this new resource in the parent nav map's cache.      # Store this new resource in the parent nav map's cache.
Line 3078  Returns the title of the resource. Line 3469  Returns the title of the resource.
 # These info functions can be used directly, as they don't return  # These info functions can be used directly, as they don't return
 # resource information.  # resource information.
 sub comesfrom { my $self=shift; return $self->navHash("comesfrom_", 1); }  sub comesfrom { my $self=shift; return $self->navHash("comesfrom_", 1); }
   sub encrypted { my $self=shift; return $self->navHash("encrypted_", 1); }
 sub ext { my $self=shift; return $self->navHash("ext_", 1) eq 'true:'; }  sub ext { my $self=shift; return $self->navHash("ext_", 1) eq 'true:'; }
 sub from { my $self=shift; return $self->navHash("from_", 1); }  sub from { my $self=shift; return $self->navHash("from_", 1); }
 # considered private and undocumented  # considered private and undocumented
Line 3089  sub randompick { Line 3481  sub randompick {
     return $self->{NAV_MAP}->{PARM_HASH}->{$self->symb .      return $self->{NAV_MAP}->{PARM_HASH}->{$self->symb .
                                                '.0.parameter_randompick'};                                                 '.0.parameter_randompick'};
 }  }
   sub link {
       my $self=shift;
       if ($self->encrypted()) { return &Apache::lonenc::encrypted($self->src); }
       return $self->src;
   }
 sub src {   sub src { 
     my $self=shift;      my $self=shift;
     return $self->navHash("src_", 1);      return $self->navHash("src_", 1);
 }  }
   sub shown_symb {
       my $self=shift;
       if ($self->encrypted()) {return &Apache::lonenc::encrypted($self->symb());}
       return $self->symb();
   }
 sub symb {  sub symb {
     my $self=shift;      my $self=shift;
     (my $first, my $second) = $self->{ID} =~ /(\d+).(\d+)/;      (my $first, my $second) = $self->{ID} =~ /(\d+).(\d+)/;
Line 3111  sub title { Line 3513  sub title {
     return $self->navHash("title_", 1); }      return $self->navHash("title_", 1); }
 # considered private and undocumented  # considered private and undocumented
 sub to { my $self=shift; return $self->navHash("to_", 1); }  sub to { my $self=shift; return $self->navHash("to_", 1); }
   sub condition {
       my $self=shift;
       my $undercond=$self->navHash("undercond_", 1);
       if (!defined($undercond)) { return 1; };
       my $condid=$self->navHash("condid_$undercond");
       if (!defined($condid)) { return 1; };
       my $condition=&Apache::lonnet::directcondval($condid);
       return $condition;
   }
   
 sub compTitle {  sub compTitle {
     my $self = shift;      my $self = shift;
     my $title = $self->title();      my $title = $self->title();
Line 3151  Returns true if the resource is a sequen Line 3563  Returns true if the resource is a sequen
   
 =cut  =cut
   
   sub hasResource {
      my $self = shift;
      return $self->{NAV_MAP}->hasResource(@_);
   }
   
   sub retrieveResources {
      my $self = shift;
      return $self->{NAV_MAP}->retrieveResources(@_);
   }
   
 sub is_html {  sub is_html {
     my $self=shift;      my $self=shift;
Line 3167  sub is_page { Line 3588  sub is_page {
 sub is_problem {  sub is_problem {
     my $self=shift;      my $self=shift;
     my $src = $self->src();      my $src = $self->src();
     return ($src =~ /problem$/);      return ($src =~ /\.(problem|exam|quiz|assess|survey|form|library)$/)
   }
   sub contains_problem {
       my $self=shift;
       if ($self->is_page()) {
    my $hasProblem=$self->hasResource($self,sub { $_[0]->is_problem() },1);
    return $hasProblem;
       }
       return 0;
 }  }
 sub is_sequence {  sub is_sequence {
     my $self=shift;      my $self=shift;
Line 3175  sub is_sequence { Line 3604  sub is_sequence {
     return $self->navHash("is_map_", 1) &&       return $self->navHash("is_map_", 1) && 
  $self->navHash("map_type_" . $self->map_pc()) eq 'sequence';   $self->navHash("map_type_" . $self->map_pc()) eq 'sequence';
 }  }
   sub is_survey {
       my $self = shift();
       my $part = shift();
       if ($self->parmval('type',$part) eq 'survey') {
           return 1;
       }
       if ($self->src() =~ /\.(survey)$/) {
           return 1;
       }
       return 0;
   }
   
   sub is_empty_sequence {
       my $self=shift;
       my $src = $self->src();
       return !$self->is_page() && $self->navHash("is_map_", 1) && !$self->navHash("map_type_" . $self->map_pc());
   }
   
 # Private method: Shells out to the parmval in the nav map, handler parts.  # Private method: Shells out to the parmval in the nav map, handler parts.
 sub parmval {  sub parmval {
Line 3351  sub awarded { Line 3797  sub awarded {
 }  }
 sub duedate {  sub duedate {
     (my $self, my $part) = @_;      (my $self, my $part) = @_;
       my $interval=$self->parmval("interval", $part);
       if ($interval) {
    my $first_access=&Apache::lonnet::get_first_access('map',$self->symb);
    if ($first_access) { return ($first_access+$interval); }
       }
     return $self->parmval("duedate", $part);      return $self->parmval("duedate", $part);
 }  }
 sub maxtries {  sub maxtries {
Line 3394  sub weight { Line 3845  sub weight {
  $self->symb(), $ENV{'user.domain'},   $self->symb(), $ENV{'user.domain'},
  $ENV{'user.name'},    $ENV{'user.name'}, 
  $ENV{'request.course.sec'});   $ENV{'request.course.sec'});
   }
   sub part_display {
       my $self= shift(); my $partID = shift();
       if (! defined($partID)) { $partID = '0'; }
       my $display=&Apache::lonnet::EXT('resource.'.$partID.'.display',
                                        $self->symb);
       if (! defined($display) || $display eq '') {
           $display = $partID;
       }
       return $display;
 }  }
   
 # Multiple things need this  # Multiple things need this
Line 3484  Returns the number of parts of the probl Line 3944  Returns the number of parts of the probl
 for single part problems, returns 1. For multipart, it returns the  for single part problems, returns 1. For multipart, it returns the
 number of parts in the problem, not including psuedo-part 0.   number of parts in the problem, not including psuedo-part 0. 
   
   =item * B<countResponses>():
   
   Returns the total number of responses in the problem a student can answer.
   
   =item * B<responseTypes>():
   
   Returns a hash whose keys are the response types.  The values are the number 
   of times each response type is used.  This is for the I<entire> problem, not 
   just a single part.
   
 =item * B<multipart>():  =item * B<multipart>():
   
 Returns true if the problem is multipart, false otherwise. Use this instead  Returns true if the problem is multipart, false otherwise. Use this instead
Line 3530  sub countParts { Line 4000  sub countParts {
     return scalar(@{$parts}); # + $delta;      return scalar(@{$parts}); # + $delta;
 }  }
   
   sub countResponses {
       my $self = shift;
       my $count;
       foreach my $part (@{$self->parts()}) {
           $count+= scalar($self->responseIds($part));
       }
       return $count;
   }
   
   sub responseTypes {
       my $self = shift;
       my %responses;
       foreach my $part ($self->parts()) {
           foreach my $responsetype ($self->responseType($part)) {
               $responses{$responsetype}++ if (defined($responsetype));
           }
       }
       return %responses;
   }
   
 sub multipart {  sub multipart {
     my $self = shift;      my $self = shift;
     return $self->countParts() > 1;      return $self->countParts() > 1;
Line 3578  sub extractParts { Line 4068  sub extractParts {
   
     # Retrieve part count, if this is a problem      # Retrieve part count, if this is a problem
     if ($self->is_problem()) {      if ($self->is_problem()) {
    my $partorder = &Apache::lonnet::metadata($self->src(), 'partorder');
         my $metadata = &Apache::lonnet::metadata($self->src(), 'packages');          my $metadata = &Apache::lonnet::metadata($self->src(), 'packages');
         if (!$metadata) {  
             $self->{RESOURCE_ERROR} = 1;  
             $self->{PARTS} = [];  
             $self->{PART_TYPE} = {};  
             return;  
         }  
         foreach (split(/\,/,$metadata)) {  
             if ($_ =~ /^part_(.*)$/) {  
                 my $part = $1;  
                 # This floods the logs if it blows up  
                 if (defined($parts{$part})) {  
                     Apache::lonnet::logthis("$part multiply defined in metadata for " . $self->symb());  
                   }  
   
                 # check to see if part is turned off.  
   
                 if (!Apache::loncommon::check_if_partid_hidden($part, $self->symb())) {   if ($partorder) {
                     $parts{$part} = 1;      my @parts;
                 }      for my $part (split (/,/,$partorder)) {
             }   if (!Apache::loncommon::check_if_partid_hidden($part, $self->symb())) {
       push @parts, $part;
       $parts{$part} = 1;
    }
       }
       $self->{PARTS} = \@parts;
    } else {
       if (!$metadata) {
    $self->{RESOURCE_ERROR} = 1;
    $self->{PARTS} = [];
    $self->{PART_TYPE} = {};
    return;
       }
       foreach (split(/\,/,$metadata)) {
    if ($_ =~ /^part_(.*)$/) {
       my $part = $1;
       # This floods the logs if it blows up
       if (defined($parts{$part})) {
    &Apache::lonnet::logthis("$part multiply defined in metadata for " . $self->symb());
       }
       
       # check to see if part is turned off.
       
       if (!Apache::loncommon::check_if_partid_hidden($part, $self->symb())) {
    $parts{$part} = 1;
       }
    }
       }
       my @sortedParts = sort keys %parts;
       $self->{PARTS} = \@sortedParts;
         }          }
                   
           
         my @sortedParts = sort keys %parts;  
         $self->{PARTS} = \@sortedParts;  
   
           # These hashes probably do not need names that end with "Hash"....
         my %responseIdHash;          my %responseIdHash;
         my %responseTypeHash;          my %responseTypeHash;
   
Line 3615  sub extractParts { Line 4118  sub extractParts {
         }          }
   
         # Now, the unfortunate thing about this is that parts, part name, and          # Now, the unfortunate thing about this is that parts, part name, and
         # response if are delimited by underscores, but both the part          # response id are delimited by underscores, but both the part
         # name and response id can themselves have underscores in them.          # name and response id can themselves have underscores in them.
         # 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
Line 3627  sub extractParts { Line 4130  sub extractParts {
                 my $partIdSoFar = '';                  my $partIdSoFar = '';
                 my @partChunks = split /_/, $partStuff;                  my @partChunks = split /_/, $partStuff;
                 my $i = 0;                  my $i = 0;
   
                 for ($i = 0; $i < scalar(@partChunks); $i++) {                  for ($i = 0; $i < scalar(@partChunks); $i++) {
                     if ($partIdSoFar) { $partIdSoFar .= '_'; }                      if ($partIdSoFar) { $partIdSoFar .= '_'; }
                     $partIdSoFar .= $partChunks[$i];                      $partIdSoFar .= $partChunks[$i];
Line 3640  sub extractParts { Line 4142  sub extractParts {
                 }                  }
             }              }
         }          }
    my $resorder = &Apache::lonnet::metadata($self->src(),'responseorder');
           #
           # Reorder the arrays in the %responseIdHash and %responseTypeHash
    if ($resorder) {
       my @resorder=split(/,/,$resorder);
       foreach my $part (keys(%responseIdHash)) {
    my $i=0;
    my %resids = map { ($_,$i++) } @{ $responseIdHash{$part} };
    my @neworder;
    foreach my $possibleid (@resorder) {
       if (exists($resids{$possibleid})) {
    push(@neworder,$resids{$possibleid});
       }
    }
    my @ids;
    my @type;
    foreach my $element (@neworder) {
       push (@ids,$responseIdHash{$part}->[$element]);
       push (@type,$responseTypeHash{$part}->[$element]);
    }
    $responseIdHash{$part}=\@ids;
    $responseTypeHash{$part}=\@type;
       }
    }
         $self->{RESPONSE_IDS} = \%responseIdHash;          $self->{RESPONSE_IDS} = \%responseIdHash;
         $self->{RESPONSE_TYPES} = \%responseTypeHash;          $self->{RESPONSE_TYPES} = \%responseTypeHash;
     }      }
Line 3832  sub getCompletionStatus { Line 4357  sub getCompletionStatus {
   
     my $status = $self->queryRestoreHash('solved', shift);      my $status = $self->queryRestoreHash('solved', shift);
   
     # Left as seperate if statements in case we ever do more with this      # Left as separate if statements in case we ever do more with this
     if ($status eq 'correct_by_student') {return $self->CORRECT;}      if ($status eq 'correct_by_student') {return $self->CORRECT;}
       if ($status eq 'correct_by_scantron') {return $self->CORRECT;}
     if ($status eq 'correct_by_override') {return $self->CORRECT_BY_OVERRIDE; }      if ($status eq 'correct_by_override') {return $self->CORRECT_BY_OVERRIDE; }
     if ($status eq 'incorrect_attempted') {return $self->INCORRECT; }      if ($status eq 'incorrect_attempted') {return $self->INCORRECT; }
     if ($status eq 'incorrect_by_override') {return $self->INCORRECT_BY_OVERRIDE; }      if ($status eq 'incorrect_by_override') {return $self->INCORRECT_BY_OVERRIDE; }
Line 3984  sub status { Line 4510  sub status {
   
     if ($dateStatus == PAST_DUE_ANSWER_LATER ||      if ($dateStatus == PAST_DUE_ANSWER_LATER ||
         $dateStatus == PAST_DUE_NO_ANSWER ) {          $dateStatus == PAST_DUE_NO_ANSWER ) {
         return $dateStatus;           return $suppressFeedback ? ANSWER_SUBMITTED : $dateStatus; 
     }      }
   
     if ($dateStatus == ANSWER_OPEN) {      if ($dateStatus == ANSWER_OPEN) {
Line 4170  sub getNext { Line 4696  sub getNext {
     my $to = $self->to();      my $to = $self->to();
     foreach my $branch ( split(/,/, $to) ) {      foreach my $branch ( split(/,/, $to) ) {
         my $choice = $self->{NAV_MAP}->getById($branch);          my $choice = $self->{NAV_MAP}->getById($branch);
           if (!$choice->condition()) { next; }
         my $next = $choice->goesto();          my $next = $choice->goesto();
         $next = $self->{NAV_MAP}->getById($next);          $next = $self->{NAV_MAP}->getById($next);
   
Line 4198  sub browsePriv { Line 4725  sub browsePriv {
         return $self->{BROWSE_PRIV};          return $self->{BROWSE_PRIV};
     }      }
   
     $self->{BROWSE_PRIV} = &Apache::lonnet::allowed('bre', $self->src());      $self->{BROWSE_PRIV} = &Apache::lonnet::allowed('bre',$self->src(),
       $self->symb());
 }  }
   
 =pod  =pod

Removed from v.1.238  
changed lines
  Added in v.1.312


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