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Diff for /loncom/interface/lonnavmaps.pm between versions 1.398 and 1.417

version 1.398, 2007/04/27 17:59:50 version 1.417, 2008/11/21 20:17:11
Line 27 Line 27
 #  #
 ###  ###
   
 package Apache::lonnavmaps;  
   
 use strict;  
 use GDBM_File;  
 use Apache::loncommon();  
 use Apache::lonenc();  
 use Apache::lonlocal;  
 use Apache::lonnet;  
 use POSIX qw (floor strftime);  
 use Data::Dumper; # for debugging, not always   
 use Time::HiRes qw( gettimeofday tv_interval );  
 use LONCAPA;  
   
 # symbolic constants  
 sub SYMB { return 1; }  
 sub URL { return 2; }  
 sub NOTHING { return 3; }  
   
 # Some data  
   
 my $resObj = "Apache::lonnavmaps::resource";  
   
 # Keep these mappings in sync with lonquickgrades, which uses the colors  
 # instead of the icons.  
 my %statusIconMap =   
     (  
      $resObj->CLOSED       => '',  
      $resObj->OPEN         => 'navmap.open.gif',  
      $resObj->CORRECT      => 'navmap.correct.gif',  
      $resObj->PARTIALLY_CORRECT      => 'navmap.partial.gif',  
      $resObj->INCORRECT    => 'navmap.wrong.gif',  
      $resObj->ATTEMPTED    => 'navmap.ellipsis.gif',  
      $resObj->ERROR        => ''  
      );  
   
 my %iconAltTags =   
     ( 'navmap.correct.gif' => 'Correct',  
       'navmap.wrong.gif'   => 'Incorrect',  
       'navmap.open.gif'    => 'Open' );  
   
 # Defines a status->color mapping, null string means don't color  
 my %colormap =   
     ( $resObj->NETWORK_FAILURE        => '',  
       $resObj->CORRECT                => '',  
       $resObj->EXCUSED                => '#3333FF',  
       $resObj->PAST_DUE_ANSWER_LATER  => '',  
       $resObj->PAST_DUE_NO_ANSWER     => '',  
       $resObj->ANSWER_OPEN            => '#006600',  
       $resObj->OPEN_LATER             => '',  
       $resObj->TRIES_LEFT             => '',  
       $resObj->INCORRECT              => '',  
       $resObj->OPEN                   => '',  
       $resObj->NOTHING_SET            => '',  
       $resObj->ATTEMPTED              => '',  
       $resObj->ANSWER_SUBMITTED       => '',  
       $resObj->PARTIALLY_CORRECT      => '#006600'  
       );  
 # And a special case in the nav map; what to do when the assignment  
 # is not yet done and due in less than 24 hours  
 my $hurryUpColor = "#FF0000";  
   
 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  
 }  
   
 # Convenience functions: Returns a string that adds or subtracts  
 # the second argument from the first hash, appropriate for the   
 # query string that determines which folders to recurse on  
 sub addToFilter {  
     my $hashIn = shift;  
     my $addition = shift;  
     my %hash = %$hashIn;  
     $hash{$addition} = 1;  
   
     return join (",", keys(%hash));  
 }  
   
 sub removeFromFilter {  
     my $hashIn = shift;  
     my $subtraction = shift;  
     my %hash = %$hashIn;  
   
     delete $hash{$subtraction};  
     return join(",", keys(%hash));  
 }  
   
 # Convenience function: Given a stack returned from getStack on the iterator,  
 # return the correct src() value.  
 sub getLinkForResource {  
     my $stack = shift;  
     my $res;  
   
     # Check to see if there are any pages in the stack  
     foreach $res (@$stack) {  
         if (defined($res)) {  
     my $anchor;  
     if ($res->is_page()) {  
  foreach my $item (@$stack) { if (defined($item)) { $anchor = $item; }  }  
  $anchor=&escape($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);  
  $anchor=&escape($src->shown_symb());  
  return ($url,$res->shown_symb(),$anchor);  
     }  
         }  
     }  
   
     # Failing that, return the src of the last resource that is defined  
     # (when we first recurse on a map, it puts an undefined resource  
     # on the bottom because $self->{HERE} isn't defined yet, and we  
     # want the src for the map anyhow)  
     foreach my $item (@$stack) {  
         if (defined($item)) { $res = $item; }  
     }  
   
     return ($res->link(),$res->shown_symb());  
 }  
   
 # Convenience function: This separates the logic of how to create  
 # the problem text strings ("Due: DATE", "Open: DATE", "Not yet assigned",  
 # etc.) into a separate function. It takes a resource object as the  
 # 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.  
   
 sub getDescription {  
     my $res = shift;  
     my $part = shift;  
     my $status = $res->status($part);  
   
     if ($status == $res->NETWORK_FAILURE) {   
         return &mt("Having technical difficulties; please check status later");   
     }  
     if ($status == $res->NOTHING_SET) {  
         return &mt("Not currently assigned.");  
     }  
     if ($status == $res->OPEN_LATER) {  
         return "Open " . timeToHumanString($res->opendate($part),'start');  
     }  
     if ($status == $res->OPEN) {  
         if ($res->duedate($part)) {  
             return &mt("Due")."  " .timeToHumanString($res->duedate($part),'end');  
         } else {  
             return &mt("Open, no due date");  
         }  
     }  
     if ($status == $res->PAST_DUE_ANSWER_LATER) {  
         return &mt("Answer open")." " . timeToHumanString($res->answerdate($part),'start');  
     }  
     if ($status == $res->PAST_DUE_NO_ANSWER) {  
         return &mt("Was due")." " . timeToHumanString($res->duedate($part),'end');  
     }  
     if (($status == $res->ANSWER_OPEN || $status == $res->PARTIALLY_CORRECT)  
  && $res->handgrade($part) ne 'yes') {  
         return &mt("Answer available");  
     }  
     if ($status == $res->EXCUSED) {  
         return &mt("Excused by instructor");  
     }  
     if ($status == $res->ATTEMPTED) {  
         return &mt("Answer submitted, not yet graded");  
     }  
     if ($status == $res->TRIES_LEFT) {  
         my $tries = $res->tries($part);  
         my $maxtries = $res->maxtries($part);  
         my $triesString = "";  
         if ($tries && $maxtries) {  
             $triesString = "<font size=\"-1\"><i>($tries of $maxtries tries used)</i></font>";  
             if ($maxtries > 1 && $maxtries - $tries == 1) {  
                 $triesString = "<b>$triesString</b>";  
             }  
         }  
         if ($res->duedate($part)) {  
             return &mt("Due")." " . timeToHumanString($res->duedate($part),'end') .  
                 " $triesString";  
         } else {  
             return &mt("No due date")." $triesString";  
         }  
     }  
     if ($status == $res->ANSWER_SUBMITTED) {  
         return &mt('Answer submitted');  
     }  
 }  
   
 # Convenience function, so others can use it: Is the problem due in less than  
 # 24 hours, and still can be done?  
   
 sub dueInLessThan24Hours {  
     my $res = shift;  
     my $part = shift;  
     my $status = $res->status($part);  
   
     return ($status == $res->OPEN() ||  
             $status == $res->TRIES_LEFT()) &&  
     $res->duedate($part) && $res->duedate($part) < time()+(24*60*60) &&  
     $res->duedate($part) > time();  
 }  
   
 # Convenience function, so others can use it: Is there only one try remaining for the  
 # part, with more than one try to begin with, not due yet and still can be done?  
 sub lastTry {  
     my $res = shift;  
     my $part = shift;  
   
     my $tries = $res->tries($part);  
     my $maxtries = $res->maxtries($part);  
     return $tries && $maxtries && $maxtries > 1 &&  
         $maxtries - $tries == 1 && $res->duedate($part) &&  
         $res->duedate($part) > time();  
 }  
   
 # This puts a human-readable name on the env variable.  
   
 sub advancedUser {  
     return $env{'request.role.adv'};  
 }  
   
   
 # timeToHumanString takes a time number and converts it to a  
 # human-readable representation, meant to be used in the following  
 # manner:  
 # print "Due $timestring"  
 # print "Open $timestring"  
 # print "Answer available $timestring"  
 # Very, very, very, VERY English-only... goodness help a localizer on  
 # this func...  
   
   
 sub timeToHumanString {  
     my ($time,$type,$format) = @_;  
   
     # zero, '0' and blank are bad times  
     if (!$time) {  
         return &mt('never');  
     }  
     unless (&Apache::lonlocal::current_language()=~/^en/) {  
  return &Apache::lonlocal::locallocaltime($time);  
     }   
     my $now = time();  
   
     my @time = localtime($time);  
     my @now = localtime($now);  
   
     # Positive = future  
     my $delta = $time - $now;  
   
     my $minute = 60;  
     my $hour = 60 * $minute;  
     my $day = 24 * $hour;  
     my $week = 7 * $day;  
     my $inPast = 0;  
   
     # Logic in comments:  
     # Is it now? (extremely unlikely)  
     if ( $delta == 0 ) {  
         return "this instant";  
     }  
   
     if ($delta < 0) {  
         $inPast = 1;  
         $delta = -$delta;  
     }  
   
     if ( $delta > 0 ) {  
   
         my $tense = $inPast ? " ago" : "";  
         my $prefix = $inPast ? "" : "in ";  
           
         # Less than a minute  
         if ( $delta < $minute ) {  
             if ($delta == 1) { return "${prefix}1 second$tense"; }  
             return "$prefix$delta seconds$tense";  
         }  
   
         # Less than an hour  
         if ( $delta < $hour ) {  
             # If so, use minutes  
             my $minutes = floor($delta / 60);  
             if ($minutes == 1) { return "${prefix}1 minute$tense"; }  
             return "$prefix$minutes minutes$tense";  
         }  
           
         # Is it less than 24 hours away? If so,  
         # display hours + minutes  
         if ( $delta < $hour * 24) {  
             my $hours = floor($delta / $hour);  
             my $minutes = floor(($delta % $hour) / $minute);  
             my $hourString = "$hours hours";  
             my $minuteString = ", $minutes minutes";  
             if ($hours == 1) {  
                 $hourString = "1 hour";  
             }  
             if ($minutes == 1) {  
                 $minuteString = ", 1 minute";  
             }  
             if ($minutes == 0) {  
                 $minuteString = "";  
             }  
             return "$prefix$hourString$minuteString$tense";  
         }  
   
  # If there's a caller supplied format, use it.  
   
  if($format ne '') {  
     my $timeStr = strftime($format, localtime($time));  
     return $timeStr.&Apache::lonlocal::gettimezone($time);  
  }  
   
         # Less than 5 days away, display day of the week and  
         # HH:MM  
   
         if ( $delta < $day * 5 ) {  
             my $timeStr = strftime("%A, %b %e at %I:%M %P", localtime($time));  
             $timeStr =~ s/12:00 am/00:00/;  
             $timeStr =~ s/12:00 pm/noon/;  
             return ($inPast ? "last " : "this ") .  
                 $timeStr.&Apache::lonlocal::gettimezone($time);  
         }  
           
  my $conjunction='on';  
  if ($type eq 'start') {  
     $conjunction='at';  
  } elsif ($type eq 'end') {  
     $conjunction='by';  
  }  
         # Is it this year?  
         if ( $time[5] == $now[5]) {  
             # Return on Month Day, HH:MM meridian  
             my $timeStr = strftime("$conjunction %A, %b %e at %I:%M %P", localtime($time));  
             $timeStr =~ s/12:00 am/00:00/;  
             $timeStr =~ s/12:00 pm/noon/;  
             return $timeStr.&Apache::lonlocal::gettimezone($time);  
         }  
   
         # Not this year, so show the year  
         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 pm/noon/;  
         return $timeStr.&Apache::lonlocal::gettimezone($time);  
     }  
 }  
   
   
 =pod  =pod
   
 =head1 NAME  =head1 NAME
   
 Apache::lonnavmap - Subroutines to handle and render the navigation  Apache::lonnavmaps.pm
     maps  
   
 =head1 SYNOPSIS  =head1 SYNOPSIS
   
   Handles navigational maps.
   
 The main handler generates the navigational listing for the course,  The main handler generates the navigational listing for the course,
 the other objects export this information in a usable fashion for  the other objects export this information in a usable fashion for
 other modules.  other modules.
   
   
   This is part of the LearningOnline Network with CAPA project
   described at http://www.lon-capa.org.
   
   
 =head1 OVERVIEW  =head1 OVERVIEW
   
 X<lonnavmaps, overview> When a user enters a course, LON-CAPA examines the  X<lonnavmaps, overview> When a user enters a course, LON-CAPA examines the
Line 604  instruct the renderer to render only a p Line 240  instruct the renderer to render only a p
 the source of the map you want to process, like  the source of the map you want to process, like
 '/res/103/jerf/navmap.course.sequence'.  '/res/103/jerf/navmap.course.sequence'.
   
   =item * B<include_top_level_map>: default: false
   
   If you need to include the top level map (meaning the course) in the
   rendered output set this to true
   
 =item * B<navmap>: default: constructs one from %env  =item * B<navmap>: default: constructs one from %env
   
 A reference to a navmap, used only if an iterator is not passed in. If  A reference to a navmap, used only if an iterator is not passed in. If
Line 724  navmaps screen) uses this to display the Line 365  navmaps screen) uses this to display the
   
 =cut  =cut
   
   
   =head1 SUBROUTINES
   
   =over
   
   =item update()
   
   =item addToFilter()
   
   Convenience functions: Returns a string that adds or subtracts
   the second argument from the first hash, appropriate for the 
   query string that determines which folders to recurse on
   
   =item removeFromFilter()
   
   =item getLinkForResource()
   
   Convenience function: Given a stack returned from getStack on the iterator,
   return the correct src() value.
   
   =item getDescription()
   
   Convenience function: This separates the logic of how to create
   the problem text strings ("Due: DATE", "Open: DATE", "Not yet assigned",
   etc.) into a separate function. It takes a resource object as the
   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.
   
   =item dueInLessThan24Hours()
   
   Convenience function, so others can use it: Is the problem due in less than 24 hours, and still can be done?
   
   =item lastTry()
   
   Convenience function, so others can use it: Is there only one try remaining for the
   part, with more than one try to begin with, not due yet and still can be done?
   
   =item advancedUser()
   
   This puts a human-readable name on the env variable.
   
   =item timeToHumanString()
   
   timeToHumanString takes a time number and converts it to a
   human-readable representation, meant to be used in the following
   manner:
   
   =over 4
   
   =item * print "Due $timestring"
   
   =item * print "Open $timestring"
   
   =item * print "Answer available $timestring"
   
   =back
   
   Very, very, very, VERY English-only... goodness help a localizer on
   this func...
   
   =item resource()
   
   returns 0
   
   =item communication_status()
   
   returns 1
   
   =item quick_status()
   
   returns 2
   
   =item long_status()
   
   returns 3
   
   =item part_status_summary()
   
   returns 4
   
   =item render_resource()
   
   =item render_communication_status()
   
   =item render_quick_status()
   
   =item render_long_status()
   
   =item render_parts_summary_status()
   
   =item setDefault()
   
   =item cmp_title()
   
   =item render()
   
   =item add_linkitem()
   
   =item show_linkitems()
   
   =back
   
   =cut
   
   package Apache::lonnavmaps;
   
   use strict;
   use GDBM_File;
   use Apache::loncommon();
   use Apache::lonenc();
   use Apache::lonlocal;
   use Apache::lonnet;
   use POSIX qw (floor strftime);
   use Time::HiRes qw( gettimeofday tv_interval );
   use LONCAPA;
   use DateTime();
   
   # symbolic constants
   sub SYMB { return 1; }
   sub URL { return 2; }
   sub NOTHING { return 3; }
   
   # Some data
   
   my $resObj = "Apache::lonnavmaps::resource";
   
   # Keep these mappings in sync with lonquickgrades, which uses the colors
   # instead of the icons.
   my %statusIconMap = 
       (
        $resObj->CLOSED       => '',
        $resObj->OPEN         => 'navmap.open.gif',
        $resObj->CORRECT      => 'navmap.correct.gif',
        $resObj->PARTIALLY_CORRECT      => 'navmap.partial.gif',
        $resObj->INCORRECT    => 'navmap.wrong.gif',
        $resObj->ATTEMPTED    => 'navmap.ellipsis.gif',
        $resObj->ERROR        => ''
        );
   
   my %iconAltTags = 
       ( 'navmap.correct.gif' => 'Correct',
         'navmap.wrong.gif'   => 'Incorrect',
         'navmap.open.gif'    => 'Open' );
   
   # Defines a status->color mapping, null string means don't color
   my %colormap = 
       ( $resObj->NETWORK_FAILURE        => '',
         $resObj->CORRECT                => '',
         $resObj->EXCUSED                => '#3333FF',
         $resObj->PAST_DUE_ANSWER_LATER  => '',
         $resObj->PAST_DUE_NO_ANSWER     => '',
         $resObj->ANSWER_OPEN            => '#006600',
         $resObj->OPEN_LATER             => '',
         $resObj->TRIES_LEFT             => '',
         $resObj->INCORRECT              => '',
         $resObj->OPEN                   => '',
         $resObj->NOTHING_SET            => '',
         $resObj->ATTEMPTED              => '',
         $resObj->ANSWER_SUBMITTED       => '',
         $resObj->PARTIALLY_CORRECT      => '#006600'
         );
   # And a special case in the nav map; what to do when the assignment
   # is not yet done and due in less than 24 hours
   my $hurryUpColor = "#FF0000";
   
   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 addToFilter {
       my $hashIn = shift;
       my $addition = shift;
       my %hash = %$hashIn;
       $hash{$addition} = 1;
   
       return join (",", keys(%hash));
   }
   
   sub removeFromFilter {
       my $hashIn = shift;
       my $subtraction = shift;
       my %hash = %$hashIn;
   
       delete $hash{$subtraction};
       return join(",", keys(%hash));
   }
   
   sub getLinkForResource {
       my $stack = shift;
       my $res;
   
       # Check to see if there are any pages in the stack
       foreach $res (@$stack) {
           if (defined($res)) {
       my $anchor;
       if ($res->is_page()) {
    foreach my $item (@$stack) { if (defined($item)) { $anchor = $item; }  }
    $anchor=&escape($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);
    $anchor=&escape($src->shown_symb());
    return ($url,$res->shown_symb(),$anchor);
       }
           }
       }
   
       # Failing that, return the src of the last resource that is defined
       # (when we first recurse on a map, it puts an undefined resource
       # on the bottom because $self->{HERE} isn't defined yet, and we
       # want the src for the map anyhow)
       foreach my $item (@$stack) {
           if (defined($item)) { $res = $item; }
       }
   
       if ($res) {
    return ($res->link(),$res->shown_symb());
       }
       return;
   }
   
   
   
   sub getDescription {
       my $res = shift;
       my $part = shift;
       my $status = $res->status($part);
   
       my $open = $res->opendate($part);
       my $due = $res->duedate($part);
       my $answer = $res->answerdate($part);
   
       if ($status == $res->NETWORK_FAILURE) { 
           return &mt("Having technical difficulties; please check status later"); 
       }
       if ($status == $res->NOTHING_SET) {
           return &mt("Not currently assigned.");
       }
       if ($status == $res->OPEN_LATER) {
           return &mt("Open ") .timeToHumanString($open,'start');
       }
       if ($status == $res->OPEN) {
           if ($due) {
       if ($res->is_practice()) {
    return &mt("Closes ")."  " .timeToHumanString($due,'start');
       } else {
    return &mt("Due")."  " .timeToHumanString($due,'end');
       }
           } else {
               return &mt("Open, no due date");
           }
       }
       if ($status == $res->PAST_DUE_ANSWER_LATER) {
           return &mt("Answer open")." " .timeToHumanString($answer,'start');
       }
       if ($status == $res->PAST_DUE_NO_ANSWER) {
    if ($res->is_practice()) {
       return &mt("Closed")." " . timeToHumanString($due,'start');
    } else {
       return &mt("Was due")." " . timeToHumanString($due,'end');
    }
       }
       if (($status == $res->ANSWER_OPEN || $status == $res->PARTIALLY_CORRECT)
    && $res->handgrade($part) ne 'yes') {
           return &mt("Answer available");
       }
       if ($status == $res->EXCUSED) {
           return &mt("Excused by instructor");
       }
       if ($status == $res->ATTEMPTED) {
           return &mt("Answer submitted, not yet graded");
       }
       if ($status == $res->TRIES_LEFT) {
           my $tries = $res->tries($part);
           my $maxtries = $res->maxtries($part);
           my $triesString = "";
           if ($tries && $maxtries) {
               $triesString = '<font size="-1"><i>('.&mt('[_1] of [_2] tries used',$tries,$maxtries).')</i></font>';
               if ($maxtries > 1 && $maxtries - $tries == 1) {
                   $triesString = "<b>$triesString</b>";
               }
           }
           if ($due) {
               return &mt("Due")." " . timeToHumanString($due,'end') .
                   " $triesString";
           } else {
               return &mt("No due date")." $triesString";
           }
       }
       if ($status == $res->ANSWER_SUBMITTED) {
           return &mt('Answer submitted');
       }
   }
   
   
   sub dueInLessThan24Hours {
       my $res = shift;
       my $part = shift;
       my $status = $res->status($part);
   
       return ($status == $res->OPEN() ||
               $status == $res->TRIES_LEFT()) &&
       $res->duedate($part) && $res->duedate($part) < time()+(24*60*60) &&
       $res->duedate($part) > time();
   }
   
   
   sub lastTry {
       my $res = shift;
       my $part = shift;
   
       my $tries = $res->tries($part);
       my $maxtries = $res->maxtries($part);
       return $tries && $maxtries && $maxtries > 1 &&
           $maxtries - $tries == 1 && $res->duedate($part) &&
           $res->duedate($part) > time();
   }
   
   
   sub advancedUser {
       return $env{'request.role.adv'};
   }
   
   sub timeToHumanString {
       my ($time,$type,$format) = @_;
   
       # zero, '0' and blank are bad times
       if (!$time) {
           return &mt('never');
       }
       unless (&Apache::lonlocal::current_language()=~/^en/) {
    return &Apache::lonlocal::locallocaltime($time);
       } 
       my $now = time();
   
       # Positive = future
       my $delta = $time - $now;
   
       my $minute = 60;
       my $hour = 60 * $minute;
       my $day = 24 * $hour;
       my $week = 7 * $day;
       my $inPast = 0;
   
       # Logic in comments:
       # Is it now? (extremely unlikely)
       if ( $delta == 0 ) {
           return "this instant";
       }
   
       if ($delta < 0) {
           $inPast = 1;
           $delta = -$delta;
       }
   
       if ( $delta > 0 ) {
   
           my $tense = $inPast ? " ago" : "";
           my $prefix = $inPast ? "" : "in ";
           
           # Less than a minute
           if ( $delta < $minute ) {
               if ($delta == 1) { return "${prefix}1 second$tense"; }
               return "$prefix$delta seconds$tense";
           }
   
           # Less than an hour
           if ( $delta < $hour ) {
               # If so, use minutes
               my $minutes = floor($delta / 60);
               if ($minutes == 1) { return "${prefix}1 minute$tense"; }
               return "$prefix$minutes minutes$tense";
           }
           
           # Is it less than 24 hours away? If so,
           # display hours + minutes
           if ( $delta < $hour * 24) {
               my $hours = floor($delta / $hour);
               my $minutes = floor(($delta % $hour) / $minute);
               my $hourString = "$hours hours";
               my $minuteString = ", $minutes minutes";
               if ($hours == 1) {
                   $hourString = "1 hour";
               }
               if ($minutes == 1) {
                   $minuteString = ", 1 minute";
               }
               if ($minutes == 0) {
                   $minuteString = "";
               }
               return "$prefix$hourString$minuteString$tense";
           }
   
    my $dt = DateTime->from_epoch(epoch => $time)
                    ->set_time_zone(&Apache::lonlocal::gettimezone());
   
    # If there's a caller supplied format, use it.
   
    if ($format ne '') {
       my $timeStr = $dt->strftime($format);
       return $timeStr.' ('.$dt->time_zone_short_name().')';
    }
   
           # Less than 5 days away, display day of the week and
           # HH:MM
   
           if ( $delta < $day * 5 ) {
               my $timeStr = $dt->strftime("%A, %b %e at %I:%M %P (%Z)");
               $timeStr =~ s/12:00 am/00:00/;
               $timeStr =~ s/12:00 pm/noon/;
               return ($inPast ? "last " : "this ") .
                   $timeStr;
           }
           
    my $conjunction='on';
    if ($type eq 'start') {
       $conjunction='at';
    } elsif ($type eq 'end') {
       $conjunction='by';
    }
           # Is it this year?
    my $dt_now = DateTime->from_epoch(epoch => $now)
                        ->set_time_zone(&Apache::lonlocal::gettimezone());
           if ( $dt->year() == $dt_now->year()) {
               # Return on Month Day, HH:MM meridian
               my $timeStr = $dt->strftime("$conjunction %A, %b %e at %I:%M %P (%Z)");
               $timeStr =~ s/12:00 am/00:00/;
               $timeStr =~ s/12:00 pm/noon/;
               return $timeStr;
           }
   
           # Not this year, so show the year
           my $timeStr = 
       $dt->strftime("$conjunction %A, %b %e %Y at %I:%M %P (%Z)");
           $timeStr =~ s/12:00 am/00:00/;
           $timeStr =~ s/12:00 pm/noon/;
           return $timeStr;
       }
   }
   
   
 sub resource { return 0; }  sub resource { return 0; }
 sub communication_status { return 1; }  sub communication_status { return 1; }
 sub quick_status { return 2; }  sub quick_status { return 2; }
Line 831  sub render_resource { Line 941  sub render_resource {
     if (!$resource->condval()) {      if (!$resource->condval()) {
         $nonLinkedText .= ' <i>('.&mt('conditionally hidden').')</i> ';          $nonLinkedText .= ' <i>('.&mt('conditionally hidden').')</i> ';
     }      }
           if (($resource->is_practice()) && ($resource->is_raw_problem())) {
           $nonLinkedText .=' <font color="green"><b>'.&mt('not graded').'</b></font>';
       }
    
     # We're done preparing and finally ready to start the rendering      # We're done preparing and finally ready to start the rendering
     my $result = "<td align='left' valign='middle'>";      my $result = "<td align='left' valign='middle'>";
   
Line 974  sub render_long_status { Line 1087  sub render_long_status {
         $params->{'multipart'} && $part eq "0";          $params->{'multipart'} && $part eq "0";
                                   
     my $color;      my $color;
     if ($resource->is_problem()) {      if ($resource->is_problem() || $resource->is_practice()) {
         $color = $colormap{$resource->status};          $color = $colormap{$resource->status};
                   
         if (dueInLessThan24Hours($resource, $part) ||          if (dueInLessThan24Hours($resource, $part) ||
Line 984  sub render_long_status { Line 1097  sub render_long_status {
     }      }
           
     if ($resource->kind() eq "res" &&      if ($resource->kind() eq "res" &&
         $resource->is_problem() &&          ($resource->is_problem() || $resource->is_practice()) &&
         !$firstDisplayed) {          !$firstDisplayed) {
         if ($color) {$result .= "<font color=\"$color\"><b>"; }          if ($color) {$result .= "<font color=\"$color\"><b>"; }
         $result .= getDescription($resource, $part);          $result .= getDescription($resource, $part);
         if ($color) {$result .= "</b></font>"; }          if ($color) {$result .= "</b></font>"; }
     }      }
     if ($resource->is_map() && advancedUser() && $resource->randompick()) {      if ($resource->is_map() && &advancedUser() && $resource->randompick()) {
         $result .= '(randomly select ' . $resource->randompick() .')';          $result .= &mt('(randomly select [_1])', $resource->randompick());
       }
       if ($resource->is_map() && &advancedUser() && $resource->randomorder()) {
           $result .= &mt('(randomly ordered)');
     }      }
   
     # Debugging code      # Debugging code
Line 1026  my %statusStrings = Line 1142  my %statusStrings =
      );       );
 my @statuses = ($resObj->CORRECT, $resObj->ATTEMPTED, $resObj->INCORRECT, $resObj->OPEN, $resObj->CLOSED, $resObj->ERROR);  my @statuses = ($resObj->CORRECT, $resObj->ATTEMPTED, $resObj->INCORRECT, $resObj->OPEN, $resObj->CLOSED, $resObj->ERROR);
   
 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() && !$resource->contains_problem) { return '<td></td>'; }      if (!$resource->is_problem() && !$resource->contains_problem) { return '<td></td>'; }
Line 1233  sub render { Line 1348  sub render {
   
             $args->{'iterator'} = $it = $navmap->getIterator($firstResource, $finishResource, $filterHash, $condition);              $args->{'iterator'} = $it = $navmap->getIterator($firstResource, $finishResource, $filterHash, $condition);
         } else {          } else {
             $args->{'iterator'} = $it = $navmap->getIterator(undef, undef, $filterHash, $condition);              $args->{'iterator'} = $it = $navmap->getIterator(undef, undef, $filterHash, $condition,undef,$args->{'include_top_level_map'});
         }          }
     }      }
   
Line 1270  sub render { Line 1385  sub render {
     # 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;  
         $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");   my $location=&Apache::loncommon::lonhttpdurl("/adm/lonMisc");
         if ($navmap->{LAST_CHECK}) {          if ($navmap->{LAST_CHECK}) {
Line 2271  sub finishResource { Line 2385  sub finishResource {
 # the actual lookup; parmval caches the results.  # the actual lookup; parmval caches the results.
 sub parmval {  sub parmval {
     my $self = shift;      my $self = shift;
     my ($what,$symb)=@_;      my ($what,$symb,$recurse)=@_;
     my $hashkey = $what."|||".$symb;      my $hashkey = $what."|||".$symb;
   
     if (defined($self->{PARM_CACHE}->{$hashkey})) {      if (defined($self->{PARM_CACHE}->{$hashkey})) {
         return $self->{PARM_CACHE}->{$hashkey};          if (ref($self->{PARM_CACHE}->{$hashkey}) eq 'ARRAY') { 
               if (defined($self->{PARM_CACHE}->{$hashkey}->[0])) {
                   if (wantarray) {
                       return @{$self->{PARM_CACHE}->{$hashkey}};
                   } else {
                       return $self->{PARM_CACHE}->{$hashkey}->[0];
                   }
               }
           } else {
               return $self->{PARM_CACHE}->{$hashkey};
           }
     }      }
       my $result = $self->parmval_real($what, $symb, $recurse);
     my $result = $self->parmval_real($what, $symb);  
     $self->{PARM_CACHE}->{$hashkey} = $result;      $self->{PARM_CACHE}->{$hashkey} = $result;
     return $result;      if (wantarray) {
           return @{$result};
       }
       return $result->[0];
 }  }
   
 sub parmval_real {  sub parmval_real {
Line 2301  sub parmval_real { Line 2427  sub parmval_real {
     my $uname=$env{'user.name'};      my $uname=$env{'user.name'};
     my $udom=$env{'user.domain'};      my $udom=$env{'user.domain'};
   
     unless ($symb) { return ''; }      unless ($symb) { return ['']; }
     my $result='';      my $result='';
   
     my ($mapname,$id,$fn)=&Apache::lonnet::decode_symb($symb);      my ($mapname,$id,$fn)=&Apache::lonnet::decode_symb($symb);
Line 2333  sub parmval_real { Line 2459  sub parmval_real {
   
 # ---------------------------------------------------------- first, check user  # ---------------------------------------------------------- first, check user
     if ($uname and defined($useropt)) {      if ($uname and defined($useropt)) {
         if (defined($$useropt{$courselevelr})) { return $$useropt{$courselevelr}; }          if (defined($$useropt{$courselevelr})) { return [$$useropt{$courselevelr},'resource']; }
         if (defined($$useropt{$courselevelm})) { return $$useropt{$courselevelm}; }          if (defined($$useropt{$courselevelm})) { return [$$useropt{$courselevelm},'map']; }
         if (defined($$useropt{$courselevel})) { return $$useropt{$courselevel}; }          if (defined($$useropt{$courselevel})) { return [$$useropt{$courselevel},'course']; }
     }      }
   
 # ------------------------------------------------------- second, check course  # ------------------------------------------------------- second, check course
     if ($cgroup ne '' and defined($courseopt)) {      if ($cgroup ne '' and defined($courseopt)) {
         if (defined($$courseopt{$grplevelr})) { return $$courseopt{$grplevelr}; }          if (defined($$courseopt{$grplevelr})) { return [$$courseopt{$grplevelr},'resource']; }
         if (defined($$courseopt{$grplevelm})) { return $$courseopt{$grplevelm}; }          if (defined($$courseopt{$grplevelm})) { return [$$courseopt{$grplevelm},'map']; }
         if (defined($$courseopt{$grplevel})) { return $$courseopt{$grplevel}; }          if (defined($$courseopt{$grplevel})) { return [$$courseopt{$grplevel},'course']; }
     }      }
   
     if ($csec and defined($courseopt)) {      if ($csec and defined($courseopt)) {
         if (defined($$courseopt{$seclevelr})) { return $$courseopt{$seclevelr}; }          if (defined($$courseopt{$seclevelr})) { return [$$courseopt{$seclevelr},'resource']; }
         if (defined($$courseopt{$seclevelm})) { return $$courseopt{$seclevelm}; }          if (defined($$courseopt{$seclevelm})) { return [$$courseopt{$seclevelm},'map']; }
         if (defined($$courseopt{$seclevel})) { return $$courseopt{$seclevel}; }          if (defined($$courseopt{$seclevel})) { return [$$courseopt{$seclevel},'course']; }
     }      }
   
     if (defined($courseopt)) {      if (defined($courseopt)) {
         if (defined($$courseopt{$courselevelr})) { return $$courseopt{$courselevelr}; }          if (defined($$courseopt{$courselevelr})) { return [$$courseopt{$courselevelr},'resource']; }
     }      }
   
 # ----------------------------------------------------- third, check map parms  # ----------------------------------------------------- third, check map parms
   
     my $thisparm=$$parmhash{$symbparm};      my $thisparm=$$parmhash{$symbparm};
     if (defined($thisparm)) { return $thisparm; }      if (defined($thisparm)) { return [$thisparm,'map']; }
   
 # ----------------------------------------------------- fourth , check default  # ----------------------------------------------------- fourth , check default
   
     my $meta_rwhat=$rwhat;      my $meta_rwhat=$rwhat;
     $meta_rwhat=~s/\./_/g;      $meta_rwhat=~s/\./_/g;
     my $default=&Apache::lonnet::metadata($fn,$meta_rwhat);      my $default=&Apache::lonnet::metadata($fn,$meta_rwhat);
     if (defined($default)) { return $default}      if (defined($default)) { return [$default,'resource']}
     $default=&Apache::lonnet::metadata($fn,'parameter_'.$meta_rwhat);      $default=&Apache::lonnet::metadata($fn,'parameter_'.$meta_rwhat);
     if (defined($default)) { return $default}      if (defined($default)) { return [$default,'resource']}
   
 # --------------------------------------------------- fifth, check more course  # --------------------------------------------------- fifth, check more course
     if (defined($courseopt)) {      if (defined($courseopt)) {
         if (defined($$courseopt{$courselevelm})) { return $$courseopt{$courselevelm}; }          if (defined($$courseopt{$courselevelm})) { return [$$courseopt{$courselevelm},'map']; }
         if (defined($$courseopt{$courselevel})) { return $$courseopt{$courselevel}; }          if (defined($$courseopt{$courselevel})) {
              my $ret = [$$courseopt{$courselevel},'course'];
              return $ret;
          }
     }      }
   
 # --------------------------------------------------- sixth , cascade up parts  # --------------------------------------------------- sixth , cascade up parts
   
     my ($space,@qualifier)=split(/\./,$rwhat);      my ($space,@qualifier)=split(/\./,$rwhat);
Line 2384  sub parmval_real { Line 2511  sub parmval_real {
  my $id=pop(@parts);   my $id=pop(@parts);
  my $part=join('_',@parts);   my $part=join('_',@parts);
  if ($part eq '') { $part='0'; }   if ($part eq '') { $part='0'; }
  my $partgeneral=$self->parmval($part.".$qualifier",$symb,1);         my @partgeneral=$self->parmval($part.".$qualifier",$symb,1);
  if (defined($partgeneral)) { return $partgeneral; }         if (defined($partgeneral[0])) { return \@partgeneral; }
     }      }
     if ($recurse) { return undef; }      if ($recurse) { return []; }
     my $pack_def=&Apache::lonnet::packages_tab_default($fn,'resource.'.$what);      my $pack_def=&Apache::lonnet::packages_tab_default($fn,'resource.'.$rwhat);
     if (defined($pack_def)) { return $pack_def; }      if (defined($pack_def)) { return [$pack_def,'resource']; }
     return '';      return [''];
 }  }
   
 =pod  =pod
Line 2511  sub retrieveResources { Line 2638  sub retrieveResources {
   
     my @resources = ();      my @resources = ();
   
       if (&$filterFunc($map)) {
    push(@resources, $map);
       }
   
     # Run down the iterator and collect the resources.      # Run down the iterator and collect the resources.
     my $curRes;      my $curRes;
   
Line 2520  sub retrieveResources { Line 2651  sub retrieveResources {
                 next;                  next;
             }              }
   
             push @resources, $curRes;              push(@resources, $curRes);
   
             if ($bailout) {              if ($bailout) {
                 return @resources;                  return @resources;
Line 2851  sub next { Line 2982  sub next {
         $self->{HAVE_RETURNED_0} = 1;          $self->{HAVE_RETURNED_0} = 1;
         return $self->{NAV_MAP}->getById('0.0');          return $self->{NAV_MAP}->getById('0.0');
     }      }
       if ($self->{RETURN_0} && !$self->{HAVE_RETURNED_0_BEGIN_MAP}) {
    $self->{HAVE_RETURNED_0_BEGIN_MAP} = 1;
    return $self->BEGIN_MAP();
       }
   
     if ($self->{RECURSIVE_ITERATOR_FLAG}) {      if ($self->{RECURSIVE_ITERATOR_FLAG}) {
         # grab the next from the recursive iterator           # grab the next from the recursive iterator 
Line 3364  false. Line 3499  false.
   
 =item * B<randompick>:  =item * B<randompick>:
   
 Returns true for a map if the randompick feature is being used on the  Returns the number of randomly picked items for a map if the randompick
 map. (?)  feature is being used on the map. 
   
   =item * B<randomorder>:
   
   Returns true for a map if the randomorder feature is being used on the
   map.
   
 =item * B<src>:  =item * B<src>:
   
Line 3395  sub kind { my $self=shift; return $self- Line 3535  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->parmval('randompick');      my $randompick = $self->parmval('randompick');
       return $randompick;
   }
   sub randomorder { 
       my $self = shift;
       my $randomorder = $self->parmval('randomorder');
       return ($randomorder =~ /^yes$/i);
 }  }
 sub link {  sub link {
     my $self=shift;      my $self=shift;
Line 3473  sub compTitle { Line 3619  sub compTitle {
     }      }
     return $title;      return $title;
 }  }
   
 =pod  =pod
   
 B<Predicate Testing the Resource>  B<Predicate Testing the Resource>
Line 3515  sub retrieveResources { Line 3662  sub retrieveResources {
   
 sub is_exam {  sub is_exam {
     my ($self,$part) = @_;      my ($self,$part) = @_;
     if ($self->parmval('type',$part) eq 'exam') {      my $type = $self->parmval('type',$part);
       if ($type eq 'exam') {
         return 1;          return 1;
     }      }
     if ($self->src() =~ /\.(exam)$/) {      if ($self->src() =~ /\.(exam)$/) {
Line 3538  sub is_page { Line 3686  sub is_page {
 sub is_practice {  sub is_practice {
     my $self=shift;      my $self=shift;
     my ($part) = @_;      my ($part) = @_;
     if ($self->parmval('type',$part) eq 'practice') {      my $type = $self->parmval('type',$part);
       if ($type eq 'practice') {
         return 1;          return 1;
     }      }
     return 0;      return 0;
Line 3551  sub is_problem { Line 3700  sub is_problem {
     }      }
     return 0;      return 0;
 }  }
   sub is_raw_problem {
       my $self=shift;
       my $src = $self->src();
       if ($src =~ /\.(problem|exam|quiz|assess|survey|form|library|task)$/) {
           return 1;
       }
       return 0;
   }
   
 sub contains_problem {  sub contains_problem {
     my $self=shift;      my $self=shift;
     if ($self->is_page()) {      if ($self->is_page()) {
Line 3559  sub contains_problem { Line 3717  sub contains_problem {
     }      }
     return 0;      return 0;
 }  }
   sub map_contains_problem {
       my $self=shift;
       if ($self->is_map()) {
    my $has_problem=
       $self->hasResource($self,sub { $_[0]->is_problem() },1);
    return $has_problem;
       }
       return 0;
   }
 sub is_sequence {  sub is_sequence {
     my $self=shift;      my $self=shift;
     return $self->navHash("is_map_", 1) &&       return $self->navHash("is_map_", 1) && 
Line 3567  sub is_sequence { Line 3734  sub is_sequence {
 sub is_survey {  sub is_survey {
     my $self = shift();      my $self = shift();
     my $part = shift();      my $part = shift();
     if ($self->parmval('type',$part) eq 'survey') {      my $type = $self->parmval('type',$part);
       if ($type eq 'survey') {
         return 1;          return 1;
     }      }
     if ($self->src() =~ /\.(survey)$/) {      if ($self->src() =~ /\.(survey)$/) {
Line 3743  Get the weight for the problem. Line 3911  Get the weight for the problem.
   
 sub acc {  sub acc {
     (my $self, my $part) = @_;      (my $self, my $part) = @_;
     return $self->parmval("acc", $part);      my $acc = $self->parmval("acc", $part);
       return $acc;
 }  }
 sub answerdate {  sub answerdate {
     (my $self, my $part) = @_;      (my $self, my $part) = @_;
     # Handle intervals      # Handle intervals
     if ($self->parmval("answerdate.type", $part) eq 'date_interval') {      my $answerdatetype = $self->parmval("answerdate.type", $part);
         return $self->duedate($part) +       my $answerdate = $self->parmval("answerdate", $part);
             $self->parmval("answerdate", $part);      my $duedate = $self->parmval("duedate", $part);
       if ($answerdatetype eq 'date_interval') {
           $answerdate = $duedate + $answerdate; 
     }      }
     return $self->parmval("answerdate", $part);      return $answerdate;
 }  }
 sub awarded {   sub awarded { 
     my $self = shift; my $part = shift;      my $self = shift; my $part = shift;
Line 3764  sub awarded { Line 3935  sub awarded {
 sub duedate {  sub duedate {
     (my $self, my $part) = @_;      (my $self, my $part) = @_;
     my $date;      my $date;
     my $interval=$self->parmval("interval", $part);      my @interval=$self->parmval("interval", $part);
     my $due_date=$self->parmval("duedate", $part);      my $due_date=$self->parmval("duedate", $part);
     if ($interval =~ /\d+/) {      if ($interval[0] =~ /\d+/) {
  my $first_access=&Apache::lonnet::get_first_access('map',$self->symb);         my $first_access=&Apache::lonnet::get_first_access($interval[1],
                                                             $self->symb);
  if (defined($first_access)) {   if (defined($first_access)) {
     $interval = $first_access+$interval;             my $interval = $first_access+$interval[0];
     $date = ($interval < $due_date)? $interval : $due_date;      $date = (!$due_date || $interval < $due_date) ? $interval 
                                                             : $due_date;
  } else {   } else {
     $date = $due_date;      $date = $due_date;
  }   }
Line 3781  sub duedate { Line 3954  sub duedate {
 }  }
 sub handgrade {  sub handgrade {
     (my $self, my $part) = @_;      (my $self, my $part) = @_;
     return $self->parmval("handgrade", $part);      my @response_ids = $self->responseIds($part);
       if (@response_ids) {
    foreach my $response_id (@response_ids) {
               my $handgrade = $self->parmval("handgrade",$part.'_'.$response_id);
       if (lc($handgrade) eq 'yes') {
    return 'yes';
       }
    }
       }
       my $handgrade = $self->parmval("handgrade", $part);
       return $handgrade;
 }  }
 sub maxtries {  sub maxtries {
     (my $self, my $part) = @_;      (my $self, my $part) = @_;
     return $self->parmval("maxtries", $part);      my $maxtries = $self->parmval("maxtries", $part);
       return $maxtries;
 }  }
 sub opendate {  sub opendate {
     (my $self, my $part) = @_;      (my $self, my $part) = @_;
     if ($self->parmval("opendate.type", $part) eq 'date_interval') {      my $opendatetype = $self->parmval("opendate.type", $part);
         return $self->duedate($part) -      my $opendate = $self->parmval("opendate", $part); 
             $self->parmval("opendate", $part);      if ($opendatetype eq 'date_interval') {
           my $duedate = $self->duedate($part);
           $opendate = $duedate - $opendate; 
     }      }
     return $self->parmval("opendate");      return $opendate;
 }  }
 sub problemstatus {  sub problemstatus {
     (my $self, my $part) = @_;      (my $self, my $part) = @_;
     return lc $self->parmval("problemstatus", $part);      my $problemstatus = $self->parmval("problemstatus", $part);
       return lc($problemstatus);
 }  }
 sub sig {  sub sig {
     (my $self, my $part) = @_;      (my $self, my $part) = @_;
     return $self->parmval("sig", $part);      my $sig = $self->parmval("sig", $part);
       return $sig;
 }  }
 sub tol {  sub tol {
     (my $self, my $part) = @_;      (my $self, my $part) = @_;
     return $self->parmval("tol", $part);      my $tol = $self->parmval("tol", $part);
       return $tol;
 }  }
 sub tries {   sub tries {
     my $self = shift;       my $self = shift; 
     my $tries = $self->queryRestoreHash('tries', shift);      my $tries = $self->queryRestoreHash('tries', shift);
     if (!defined($tries)) { return '0';}      if (!defined($tries)) { return '0';}
Line 3815  sub tries { Line 4004  sub tries {
 }  }
 sub type {  sub type {
     (my $self, my $part) = @_;      (my $self, my $part) = @_;
     return $self->parmval("type", $part);      my $type = $self->parmval("type", $part);
       return $type;
 }  }
 sub weight {   sub weight { 
     my $self = shift; my $part = shift;      my $self = shift; my $part = shift;
     if (!defined($part)) { $part = '0'; }      if (!defined($part)) { $part = '0'; }
     return &Apache::lonnet::EXT('resource.'.$part.'.weight',      my $weight = &Apache::lonnet::EXT('resource.'.$part.'.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'});
       return $weight;
 }  }
 sub part_display {  sub part_display {
     my $self= shift(); my $partID = shift();      my $self= shift(); my $partID = shift();
Line 4497  sub status { Line 4688  sub status {
     #if ($self->{RESOURCE_ERROR}) { return NETWORK_FAILURE; }      #if ($self->{RESOURCE_ERROR}) { return NETWORK_FAILURE; }
     if ($completionStatus == NETWORK_FAILURE) { return NETWORK_FAILURE; }      if ($completionStatus == NETWORK_FAILURE) { return NETWORK_FAILURE; }
   
     my $suppressFeedback = $self->problemstatus($part) eq 'no';      my $suppressFeedback = 0;
       if (($self->problemstatus($part) eq 'no') ||
           ($self->problemstatus($part) eq 'no_feedback_ever')) {
           $suppressFeedback = 1;
       }
     # If there's an answer date and we're past it, don't      # If there's an answer date and we're past it, don't
     # suppress the feedback; student should know      # suppress the feedback; student should know
     if ($self->duedate($part) && $self->duedate($part) < time() &&      if ($self->duedate($part) && $self->duedate($part) < time() &&
Removed from v.1.398  
changed lines
  Added in v.1.417

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