--- loncom/interface/loncommon.pm	2013/01/03 20:10:02	1.1075.2.26
+++ loncom/interface/loncommon.pm	2013/04/11 16:30:37	1.1122
@@ -1,7 +1,7 @@
 # The LearningOnline Network with CAPA
 # a pile of common routines
 #
-# $Id: loncommon.pm,v 1.1075.2.26 2013/01/03 20:10:02 raeburn Exp $
+# $Id: loncommon.pm,v 1.1122 2013/04/11 16:30:37 bisitz Exp $
 #
 # Copyright Michigan State University Board of Trustees
 #
@@ -68,9 +68,11 @@ use Apache::loncoursedata();
 use Apache::lontexconvert();
 use Apache::lonclonecourse();
 use Apache::lonuserutils();
+use Apache::lonuserstate();
 use LONCAPA qw(:DEFAULT :match);
 use DateTime::TimeZone;
 use DateTime::Locale::Catalog;
+use Text::Aspell;
 use Authen::Captcha;
 use Captcha::reCAPTCHA;
 
@@ -157,6 +159,7 @@ sub ssi_with_retries {
 # ----------------------------------------------- Filetypes/Languages/Copyright
 my %language;
 my %supported_language;
+my %supported_codes;
 my %latex_language;		# For choosing hyphenation in <transl..>
 my %latex_language_bykey;	# for choosing hyphenation from metadata
 my %cprtag;
@@ -191,14 +194,15 @@ BEGIN {
             while (my $line = <$fh>) {
                 next if ($line=~/^\#/);
                 chomp($line);
-                my ($key,$two,$country,$three,$enc,$val,$sup,$latex)=(split(/\t/,$line));
+                my ($key,$code,$country,$three,$enc,$val,$sup,$latex)=(split(/\t/,$line));
                 $language{$key}=$val.' - '.$enc;
                 if ($sup) {
                     $supported_language{$key}=$sup;
+		    $supported_codes{$key}   = $code;
                 }
 		if ($latex) {
 		    $latex_language_bykey{$key} = $latex;
-		    $latex_language{$two} = $latex;
+		    $latex_language{$code} = $latex;
 		}
             }
             close($fh);
@@ -527,7 +531,8 @@ ENDAUTHORBRW
 }
 
 sub coursebrowser_javascript {
-    my ($domainfilter,$sec_element,$formname,$role_element,$crstype) = @_;
+    my ($domainfilter,$sec_element,$formname,$role_element,$crstype,
+        $credits_element) = @_;
     my $wintitle = 'Course_Browser';
     if ($crstype eq 'Community') {
         $wintitle = 'Community_Browser';
@@ -590,8 +595,9 @@ sub coursebrowser_javascript {
     }
 $id_functions
 ENDSTDBRW
-    if (($sec_element ne '') || ($role_element ne '')) {
-        $output .= &setsec_javascript($sec_element,$formname,$role_element);
+    if (($sec_element ne '') || ($role_element ne '') || ($credits_element ne '')) {
+        $output .= &setsec_javascript($sec_element,$formname,$role_element,
+                                      $credits_element);
     }
     $output .= '
 // ]]>
@@ -660,7 +666,7 @@ if (!Array.prototype.indexOf) {
         var n = 0;
         if (arguments.length > 0) {
             n = Number(arguments[1]);
-            if (n !== n) { // shortcut for verifying if it's NaN
+            if (n !== n) { // shortcut for verifying if it is NaN
                 n = 0;
             } else if (n !== 0 && n !== (1 / 0) && n !== -(1 / 0)) {
                 n = (n > 0 || -1) * Math.floor(Math.abs(n));
@@ -748,7 +754,7 @@ ENDUSERBRW
 }
 
 sub setsec_javascript {
-    my ($sec_element,$formname,$role_element) = @_;
+    my ($sec_element,$formname,$role_element,$credits_element) = @_;
     my (@courserolenames,@communityrolenames,$rolestr,$courserolestr,
         $communityrolestr);
     if ($role_element ne '') {
@@ -843,6 +849,14 @@ function setRole(crstype) {
 }
 |;
     }
+    if ($credits_element) {
+        $setsections .= qq|
+function setCredits(defaultcredits) {
+    document.$formname.$credits_element.value = defaultcredits;
+    return;
+}
+|;
+    }
     return $setsections;
 }
 
@@ -888,12 +902,12 @@ sub check_uncheck_jscript {
 function checkAll(field) {
     if (field.length > 0) {
         for (i = 0; i < field.length; i++) {
-            if (!field[i].disabled) {
+            if (!field[i].disabled) { 
                 field[i].checked = true;
             }
         }
     } else {
-        if (!field.disabled) {
+        if (!field.disabled) { 
             field.checked = true;
         }
     }
@@ -997,11 +1011,39 @@ sub select_language {
             $langchoices{$code} = &plainlanguagedescription($id);
         }
     }
+    %langchoices = &Apache::lonlocal::texthash(%langchoices);
     return &select_form($selected,$name,\%langchoices);
 }
 
 =pod
 
+
+=item * &list_languages()
+
+Returns an array reference that is suitable for use in language prompters.
+Each array element is itself a two element array.  The first element
+is the language code.  The second element a descsriptiuon of the 
+language itself.  This is suitable for use in e.g.
+&Apache::edit::select_arg (once dereferenced that is).
+
+=cut 
+
+sub list_languages {
+    my @lang_choices;
+
+    foreach my $id (&languageids()) {
+	my $code = &supportedlanguagecode($id);
+	if ($code) {
+	    my $selector    = $supported_codes{$id};
+	    my $description = &plainlanguagedescription($id);
+	    push (@lang_choices, [$selector, $description]);
+	}
+    }
+    return \@lang_choices;
+}
+
+=pod
+
 =item * &linked_select_forms(...)
 
 linked_select_forms returns a string containing a <script></script> block
@@ -1028,6 +1070,12 @@ linked_select_forms takes the following
 
 =item * $menuorder, the order of values in the first menu
 
+=item * $onchangefirst, additional javascript call to execute for an onchange
+        event for the first <select> tag
+
+=item * $onchangesecond, additional javascript call to execute for an onchange
+        event for the second <select> tag
+
 =back 
 
 Below is an example of such a hash.  Only the 'text', 'default', and 
@@ -1081,6 +1129,8 @@ sub linked_select_forms {
         $secondselectname, 
         $hashref,
         $menuorder,
+        $onchangefirst,
+        $onchangesecond
         ) = @_;
     my $second = "document.$formname.$secondselectname";
     my $first = "document.$formname.$firstselectname";
@@ -1137,7 +1187,7 @@ function select1_changed() {
 </script>
 END
     # output the initial values for the selection lists
-    $result .= "<select size=\"1\" name=\"$firstselectname\" onchange=\"select1_changed()\">\n";
+    $result .= "<select size=\"1\" name=\"$firstselectname\" onchange=\"select1_changed();$onchangefirst\">\n";
     my @order = sort(keys(%{$hashref}));
     if (ref($menuorder) eq 'ARRAY') {
         @order = @{$menuorder};
@@ -1150,7 +1200,11 @@ END
     $result .= "</select>\n";
     my %select2 = %{$hashref->{$firstdefault}->{'select2'}};
     $result .= $middletext;
-    $result .= "<select size=\"1\" name=\"$secondselectname\">\n";
+    $result .= "<select size=\"1\" name=\"$secondselectname\"";
+    if ($onchangesecond) {
+        $result .= ' onchange="'.$onchangesecond.'"';
+    }
+    $result .= ">\n";
     my $seconddefault = $hashref->{$firstdefault}->{'default'};
     
     my @secondorder = sort(keys(%select2));
@@ -2137,7 +2191,7 @@ sub select_level_form {
 
 =pod
 
-=item * &select_dom_form($defdom,$name,$includeempty,$showdomdesc,$onchange,$incdoms)
+=item * &select_dom_form($defdom,$name,$includeempty,$showdomdesc,$onchange,$incdoms,$excdoms)
 
 Returns a string containing a <select name='$name' size='1'> form to 
 allow a user to select the domain to preform an operation in.  
@@ -2150,25 +2204,31 @@ If the $showdomdesc flag is set, the dom
 
 The optional $onchange argument specifies what should occur if the domain selector is changed, e.g., 'this.form.submit()' if the form is to be automatically submitted.
 
-The optional $incdoms is a reference to an array of domains which will be the only available options. 
+The optional $incdoms is a reference to an array of domains which will be the only available options.
+
+The optional $excdoms is a reference to an array of domains which will be excluded from the available options.
 
 =cut
 
 #-------------------------------------------
 sub select_dom_form {
-    my ($defdom,$name,$includeempty,$showdomdesc,$onchange,$incdoms) = @_;
+    my ($defdom,$name,$includeempty,$showdomdesc,$onchange,$incdoms,$excdoms) = @_;
     if ($onchange) {
         $onchange = ' onchange="'.$onchange.'"';
     }
-    my @domains;
+    my (@domains,%exclude);
     if (ref($incdoms) eq 'ARRAY') {
         @domains = sort {lc($a) cmp lc($b)} (@{$incdoms});
     } else {
         @domains = sort {lc($a) cmp lc($b)} (&Apache::lonnet::all_domains());
     }
     if ($includeempty) { @domains=('',@domains); }
+    if (ref($excdoms) eq 'ARRAY') {
+        map { $exclude{$_} = 1; } @{$excdoms}; 
+    }
     my $selectdomain = "<select name=\"$name\" size=\"1\"$onchange>\n";
     foreach my $dom (@domains) {
+        next if ($exclude{$dom});
         $selectdomain.="<option value=\"$dom\" ".
             ($dom eq $defdom ? 'selected="selected" ' : '').'>'.$dom;
         if ($showdomdesc) {
@@ -2497,7 +2557,7 @@ sub authform_nochange {
               kerb_def_dom => 'MSU.EDU',
               @_,
           );
-    my ($authnum,%can_assign) = &get_assignable_auth($in{'domain'}); 
+    my ($authnum,%can_assign) = &get_assignable_auth($in{'domain'});
     my $result;
     if (!$authnum) {
         $result = &mt('Under your current role you are not permitted to change login settings for this user');
@@ -2993,13 +3053,77 @@ sub get_related_words {
     untie %thesaurus_db;
     return @Words;
 }
+###############################################################
+#
+#  Spell checking
+#
 
 =pod
 
+=head1 Spell checking
+
+=over 4
+
+=item * &check_spelling($wordlist $language)
+
+Takes a string containing words and feeds it to an external
+spellcheck program via a pipeline. Returns a string containing
+them mis-spelled words.
+
+Parameters:
+
+=over 4
+
+=item - $wordlist
+
+String that will be fed into the spellcheck program.
+
+=item - $language
+
+Language string that specifies the language for which the spell
+check will be performed.
+
+=back
+
 =back
 
+Note: This sub assumes that aspell is installed.
+
+
 =cut
 
+
+=pod
+
+=back
+
+=cut
+
+sub check_spelling {
+    my ($wordlist, $language) = @_;
+    my @misspellings;
+    
+    # Generate the speller and set the langauge.
+    # if explicitly selected:
+
+    my $speller = Text::Aspell->new;
+    if ($language) {
+	$speller->set_option('lang', $language);
+    }
+
+    # Turn the word list into an array of words by splittingon whitespace
+
+    my @words = split(/\s+/, $wordlist);
+
+    foreach my $word (@words) {
+	if(! $speller->check($word)) {
+	    push(@misspellings, $word);
+	}
+    }
+    return join(' ', @misspellings);
+    
+}
+
 # -------------------------------------------------------------- Plaintext name
 =pod
 
@@ -4886,7 +5010,7 @@ sub CSTR_pageheader {
 
     my $londocroot = $Apache::lonnet::perlvar{'lonDocRoot'};
     my ($udom,$uname,$thisdisfn)=
-        ($trailfile =~ m{^\Q$londocroot\E/priv/([^/]+)/([^/]+)/(.*)$});
+        ($trailfile =~ m{^\Q$londocroot\E/priv/([^/]+)/([^/]+)(?:|/(.*))$});
     my $formaction = "/priv/$udom/$uname/$thisdisfn";
     $formaction =~ s{/+}{/}g;
 
@@ -4961,9 +5085,6 @@ Inputs:
 
 =item * $bgcolor, used to override the bgcolor on a webpage to a specific value
 
-=item * $no_inline_link, if true and in remote mode, don't show the
-         'Switch To Inline Menu' link
-
 =item * $args, optional argument valid values are
             no_auto_mt_title -> prevents &mt()ing the title arg
             inherit_jsmath -> when creating popup window in a page,
@@ -4985,7 +5106,7 @@ other decorations will be returned.
 
 sub bodytag {
     my ($title,$function,$addentries,$bodyonly,$domain,$forcereg,
-        $no_nav_bar,$bgcolor,$no_inline_link,$args,$advtoolsref)=@_;
+        $no_nav_bar,$bgcolor,$args,$advtoolsref)=@_;
 
     my $public;
     if ((($env{'user.name'} eq 'public') && ($env{'user.domain'} eq 'public'))
@@ -5061,25 +5182,11 @@ sub bodytag {
     $role = '<span class="LC_nobreak">('.$role.')</span>' if $role;
     &get_unprocessed_cgi($ENV{'QUERY_STRING'}, ['inhibitmenu']);
 
-    if ($no_nav_bar || $env{'form.inhibitmenu'} eq 'yes') { 
-        return $bodytag; 
-    }
-
-    if ($env{'request.state'} eq 'construct') { $forcereg=1; }
+        if ($no_nav_bar || $env{'form.inhibitmenu'} eq 'yes') { 
+            return $bodytag; 
+        } 
 
-    my $funclist;
-    if (($env{'environment.remote'} eq 'on') && ($env{'request.state'} ne 'construct')) {
-        $bodytag .= Apache::lonhtmlcommon::scripttag(Apache::lonmenu::utilityfunctions(), 'start')."\n".
-                    Apache::lonmenu::serverform();
-        my $forbodytag;
-        &Apache::lonmenu::prepare_functions($env{'request.noversionuri'},
-                                            $forcereg,$args->{'group'},
-                                            $args->{'bread_crumbs'},
-                                            $advtoolsref,'',\$forbodytag);
-        unless (ref($args->{'bread_crumbs'}) eq 'ARRAY') {
-            $funclist = $forbodytag;
-        }
-    } else {
+        if ($env{'request.state'} eq 'construct') { $forcereg=1; }
 
         #    if ($env{'request.state'} eq 'construct') {
         #        $titleinfo = &CSTR_pageheader(); #FIXME: Will be removed once all scripts have their own calls
@@ -5088,11 +5195,11 @@ sub bodytag {
 
 
         if ($env{'request.noversionuri'} =~ m{^/res/adm/pages/}) {
-            if ($dc_info) {
+             if ($dc_info) {
                  $dc_info = qq|<span class="LC_cusr_subheading">$dc_info</span>|;
-            }
-            $bodytag .= qq|<div id="LC_nav_bar">$name $role<br />
-                           <em>$realm</em> $dc_info</div>|;
+             }
+             $bodytag .= qq|<div id="LC_nav_bar">$name $role<br />
+                <em>$realm</em> $dc_info</div>|;
             return $bodytag;
         }
 
@@ -5118,18 +5225,15 @@ sub bodytag {
             if ($env{'request.state'} eq 'construct') {
                 $bodytag .= &Apache::lonmenu::innerregister($forcereg,
                                 $args->{'bread_crumbs'});
-            } elsif ($forcereg) { 
+            } elsif ($forcereg) {
                 $bodytag .= &Apache::lonmenu::innerregister($forcereg,undef,
                                                             $args->{'group'});
             } else {
-                my $forbodytag;
-                &Apache::lonmenu::prepare_functions($env{'request.noversionuri'},
-                                                    $forcereg,$args->{'group'},
-                                                    $args->{'bread_crumbs'},
-                                                    $advtoolsref,'',\$forbodytag);
-                unless (ref($args->{'bread_crumbs'}) eq 'ARRAY') {
-                    $bodytag .= $forbodytag;
-                }
+                $bodytag .= 
+                    &Apache::lonmenu::prepare_functions($env{'request.noversionuri'},
+                                                        $forcereg,$args->{'group'},
+                                                        $args->{'bread_crumbs'},
+                                                        $advtoolsref);
             }
         }else{
             # this is to seperate menu from content when there's no secondary
@@ -5139,44 +5243,6 @@ sub bodytag {
         }
 
         return $bodytag;
-    }
-
-#
-# Top frame rendering, Remote is up
-#
-
-    my $imgsrc = $img;
-    if ($img =~ /^\/adm/) {
-        $imgsrc = &lonhttpdurl($img);
-    }
-    my $upperleft='<img src="'.$imgsrc.'" alt="'.$function.'" />';
-
-    # Explicit link to get inline menu
-    my $menu= ($no_inline_link?''
-               :'<a href="/adm/remote?action=collapse" target="_top">'.&mt('Switch to Inline Menu Mode').'</a>');
-
-    if ($dc_info) {
-        $dc_info = qq|<span class="LC_cusr_subheading">($dc_info)</span>|;
-    }
-
-    unless ($env{'form.inhibitmenu'}) {
-        $bodytag .= qq|<div id="LC_nav_bar">$name $role</div>
-                       <ol class="LC_primary_menu LC_right">
-                       <li>$menu</li>
-                       </ol><div id="LC_realm"> $realm $dc_info</div>|;
-    }
-    if ($env{'request.state'} eq 'construct') {
-        if (!$public){
-            if ($env{'request.state'} eq 'construct') {
-                $funclist = &Apache::lonhtmlcommon::scripttag(
-                                &Apache::lonmenu::utilityfunctions(), 'start').
-                            &Apache::lonhtmlcommon::scripttag('','end').
-                            &Apache::lonmenu::innerregister($forcereg,
-                                                            $args->{'bread_crumbs'});
-            }
-        }
-    }
-    return $bodytag."\n".$funclist;
 }
 
 sub dc_courseid_toggle {
@@ -5208,15 +5274,8 @@ sub make_attr_string {
 		delete($attr_ref->{$key});
 	    }
 	}
-        if ($env{'environment.remote'} eq 'on') {
-            $attr_ref->{'onload'}  =
-                &Apache::lonmenu::loadevents().  $on_load;
-            $attr_ref->{'onunload'}=
-                &Apache::lonmenu::unloadevents().$on_unload;
-        } else {  
-	    $attr_ref->{'onload'}  = $on_load;
-	    $attr_ref->{'onunload'}= $on_unload;
-        }
+	$attr_ref->{'onload'}  = $on_load;
+	$attr_ref->{'onunload'}= $on_unload;
     }
 
     my $attr_string;
@@ -5694,7 +5753,8 @@ table.LC_nested tr.LC_empty_row td {
   padding: 8px;
 }
 
-table.LC_data_table tr.LC_empty_row td {
+table.LC_data_table tr.LC_empty_row td,
+table.LC_data_table tr.LC_footer_row td {
   background-color: $sidebg;
 }
 
@@ -6643,7 +6703,6 @@ ul#LC_secondary_menu li {
   font-weight: bold;
   line-height: 1.8em;
   border-right: 1px solid black;
-  vertical-align: middle;
   float: left;
 }
 
@@ -6676,7 +6735,7 @@ ul#LC_secondary_menu li ul li {
   vertical-align: top;
   border-left: 1px solid black;
   border-right: 1px solid black;
-  background-color: $data_table_light
+  background-color: $data_table_light;
   list-style:none;
   float: none;
 }
@@ -7203,8 +7262,8 @@ sub headtag {
     if (!$args->{'frameset'}) {
 	$result .= &Apache::lonhtmlcommon::htmlareaheaders();
     }
-    if ($args->{'force_register'}) {
-        $result .= &Apache::lonmenu::registerurl(1);
+    if ($args->{'force_register'} && $env{'request.noversionuri'} !~ m{^/res/adm/pages/}) {
+        $result .= Apache::lonxml::display_title();
     }
     if (!$args->{'no_nav_bar'} 
 	&& !$args->{'only_body'}
@@ -7413,16 +7472,14 @@ $args - additional optional args support
              skip_phases    -> hash ref of 
                                     head -> skip the <html><head> generation
                                     body -> skip all <body> generation
-             no_inline_link -> if true and in remote mode, don't show the
-                                    'Switch To Inline Menu' link
              no_auto_mt_title -> prevent &mt()ing the title arg
              inherit_jsmath -> when creating popup window in a page,
                                     should it have jsmath forced on by the
                                     current page
              bread_crumbs ->             Array containing breadcrumbs
              bread_crumbs_component ->  if exists show it as headline else show only the breadcrumbs
-             group          -> includes the current group, if page is for a
-                               specific group
+             group          -> includes the current group, if page is for a 
+                               specific group  
 
 =back
 
@@ -7452,8 +7509,8 @@ sub start_page {
                          $args->{'function'},       $args->{'add_entries'},
                          $args->{'only_body'},      $args->{'domain'},
                          $args->{'force_register'}, $args->{'no_nav_bar'},
-                         $args->{'bgcolor'},        $args->{'no_inline_link'},
-                         $args,                     \@advtools);
+                         $args->{'bgcolor'},        $args,
+                         \@advtools);
         }
     }
 
@@ -7493,11 +7550,6 @@ sub start_page {
 		}else{
 			$result .= &Apache::lonhtmlcommon::breadcrumbs();
 		}
-    } elsif (($env{'environment.remote'} eq 'on') &&
-             ($env{'form.inhibitmenu'} ne 'yes') &&
-             ($env{'request.noversionuri'} =~ m{^/res/}) &&
-             ($env{'request.noversionuri'} !~ m{^/res/adm/pages/})) {
-        $result .= '<div style="padding:0;margin:0;clear:both"><hr /></div>';
     }
     return $result;
 }
@@ -7761,11 +7813,9 @@ sub LCprogressbar {
     $LCcurrentid=$$.'_'.$LCidcnt;
     my $starting=&mt('Starting');
     my $content=(<<ENDPROGBAR);
-<p>
   <div id="progressbar$LCcurrentid">
     <span class="pblabel">$starting</span>
   </div>
-</p>
 ENDPROGBAR
     &r_print($r,$content.&LCprogressbar_script($LCcurrentid));
 }
@@ -8179,7 +8229,19 @@ sub get_sections {
     my %sectioncount;
     my $now = time;
 
-    if (!defined($possible_roles) || (grep(/^st$/,@$possible_roles))) {
+    my $check_students = 1;
+    my $only_students = 0;
+    if (ref($possible_roles) eq 'ARRAY') {
+        if (grep(/^st$/,@{$possible_roles})) {
+            if (@{$possible_roles} == 1) {
+                $only_students = 1;
+            }
+        } else {
+            $check_students = 0;
+        }
+    }
+
+    if ($check_students) { 
 	my ($classlist) = &Apache::loncoursedata::get_classlist($cdom,$cnum);
 	my $sec_index = &Apache::loncoursedata::CL_SECTION();
 	my $status_index = &Apache::loncoursedata::CL_STATUS();
@@ -8206,6 +8268,9 @@ sub get_sections {
 	    }
 	}
     }
+    if ($only_students) {
+        return %sectioncount;
+    }
     my %courseroles = &Apache::lonnet::dump('nohist_userroles',$cdom,$cnum);
     foreach my $user (sort(keys(%courseroles))) {
 	if ($user !~ /^(\w{2})/) { next; }
@@ -8353,7 +8418,7 @@ sub get_course_users {
                               active   => 'Active',
                               future   => 'Future',
                             );
-        my %nothide;
+        my (%nothide,@possdoms);
         if ($hidepriv) {
             my %coursehash=&Apache::lonnet::coursedescription($cdom.'_'.$cnum);
             foreach my $user (split(/\s*\,\s*/,$coursehash{'nothideprivileged'})) {
@@ -8363,6 +8428,10 @@ sub get_course_users {
                     $nothide{$user} = 1;
                 }
             }
+            my @possdoms = ($cdom);
+            if ($coursehash{'checkforpriv'}) {
+                push(@possdoms,split(/,/,$coursehash{'checkforpriv'}));
+            }
         }
         foreach my $person (sort(keys(%coursepersonnel))) {
             my $match = 0;
@@ -8398,7 +8467,7 @@ sub get_course_users {
                 }
                 if ($uname ne '' && $udom ne '') {
                     if ($hidepriv) {
-                        if ((&Apache::lonnet::privileged($uname,$udom)) &&
+                        if ((&Apache::lonnet::privileged($uname,$udom,\@possdoms)) &&
                             (!$nothide{$uname.':'.$udom})) {
                             next;
                         }
@@ -9524,13 +9593,13 @@ sub ask_for_embedded_content {
             $toplevel = $url;
             if ($args->{'context'} eq 'paste') {
                 ($cdom,$cnum) = ($url =~ m{^\Q/uploaded/\E($match_domain)/($match_courseid)/});
-                ($path) =
+                ($path) = 
                     ($toplevel =~ m{^(\Q/uploaded/$cdom/$cnum/\E(?:docs|supplemental)/(?:default|\d+)/\d+)/});
                 $fileloc = &Apache::lonnet::filelocation('',$toplevel);
                 $fileloc =~ s{^/}{};
             }
         }
-    } elsif ($actionurl eq '/adm/dependencies') {
+    } elsif ($actionurl eq '/adm/dependencies')  {
         if ($env{'request.course.id'} ne '') {
             $cdom = $env{'course.'.$env{'request.course.id'}.'.domain'};
             $cnum =  $env{'course.'.$env{'request.course.id'}.'.num'};
@@ -9718,7 +9787,7 @@ sub ask_for_embedded_content {
         ($args->{'context'} eq 'paste')) {
         $counter = scalar(keys(%existing));
         $numpathchg = scalar(keys(%pathchanges));
-        return ($output,$counter,$numpathchg,\%existing);
+        return ($output,$counter,$numpathchg,\%existing); 
     }
     foreach my $embed_file (sort {lc($a) cmp lc($b)} keys(%newfiles)) {
         if ($actionurl eq '/adm/dependencies') {
@@ -10062,7 +10131,7 @@ sub upload_embedded {
             $output .= &mt('Unrecognized file extension ([_1]) - rename the file with a proper extension and re-upload.',$1).'<br />';
             next;
         } elsif ($fname=~/\.(\d+)\.(\w+)$/) {
-            $output .= &mt('File name not allowed - rename the file to remove the number immediately before the file extension([_1]) and re-upload.',$2).'<br />';
+            $output .= &mt('Filename not allowed - rename the file to remove the number immediately before the file extension([_1]) and re-upload.',$2).'<br />';
             next;
         }
         $env{'form.embedded_item_'.$i.'.filename'}=$fname;
@@ -10764,8 +10833,8 @@ sub process_decompression {
     my ($docudom,$docuname,$file,$destination,$dir_root,$hiddenelem) = @_;
     my ($dir,$error,$warning,$output);
     if ($file !~ /\.(zip|tar|bz2|gz|tar.gz|tar.bz2|tgz)$/) {
-        $error = &mt('File name not a supported archive file type.').
-                 '<br />'.&mt('File name should end with one of: [_1].',
+        $error = &mt('Filename not a supported archive file type.').
+                 '<br />'.&mt('Filename should end with one of: [_1].',
                               '.zip, .tar, .bz2, .gz, .tar.gz, .tar.bz2, .tgz');
     } else {
         my $docuhome = &Apache::lonnet::homeserver($docuname,$docudom);
@@ -11341,7 +11410,7 @@ sub process_extracted_files {
         $folders{'0'} = $items[-2];
         if ($env{'form.folderpath'} =~ /\:1$/) {
             $containers{'0'}='page';
-        } else {
+        } else {  
             $containers{'0'}='sequence';
         }
     }
@@ -11461,7 +11530,7 @@ sub process_extracted_files {
                     }
                 }
             } else {
-                $warning .= &mt('Item extracted from archive: [_1] has unexpected path.',$path).'<br />';
+                $warning .= &mt('Item extracted from archive: [_1] has unexpected path.',$path).'<br />'; 
             }
         }
         for (my $i=1; $i<=$numitems; $i++) {
@@ -11483,7 +11552,7 @@ sub process_extracted_files {
                         }
                         if ($itemidx eq '') {
                             $itemidx =  0;
-                        }
+                        } 
                         if (grep(/^\Q$referrer{$i}\E$/,@archdirs)) {
                             if ($mapinner{$referrer{$i}}) {
                                 $fullpath = "$prefix$dir/$docstype/$mapinner{$referrer{$i}}";
@@ -11530,12 +11599,12 @@ sub process_extracted_files {
                                     $showpath = "$relpath/$title";
                                 } else {
                                     $showpath = "/$title";
-                                }
+                                } 
                                 $result .= '<li>'.&mt('[_1] included as a dependency',$showpath).'</li>'."\n";
-                            }
+                            } 
                             unless ($ishome) {
                                 my $fetch = "$fullpath/$title";
-                                $fetch =~ s/^\Q$prefix$dir\E//;
+                                $fetch =~ s/^\Q$prefix$dir\E//; 
                                 $prompttofetch{$fetch} = 1;
                             }
                         }
@@ -11545,7 +11614,7 @@ sub process_extracted_files {
                                     $path,$env{'form.archive_content_'.$referrer{$i}}).'<br />';
                 }
             } else {
-                $warning .= &mt('Item extracted from archive: [_1] has unexpected path.',$path).'<br />';
+                $warning .= &mt('Item extracted from archive: [_1] has unexpected path.',$path).'<br />'; 
             }
         }
         if (keys(%todelete)) {
@@ -11604,7 +11673,7 @@ sub cleanup_empty_dirs {
             my $numitems = 0;
             foreach my $item (@dircontents) {
                 if (-d "$path/$item") {
-                    &recurse_dirs("$path/$item");
+                    &cleanup_empty_dirs("$path/$item");
                     if (-e "$path/$item") {
                         $numitems ++;
                     }
@@ -13153,7 +13222,7 @@ sub commit_customrole {
 }
 
 sub commit_standardrole {
-    my ($udom,$uname,$url,$three,$start,$end,$one,$two,$sec,$context) = @_;
+    my ($udom,$uname,$url,$three,$start,$end,$one,$two,$sec,$context,$credits) = @_;
     my ($output,$logmsg,$linefeed);
     if ($context eq 'auto') {
         $linefeed = "\n";
@@ -13162,7 +13231,7 @@ sub commit_standardrole {
     }  
     if ($three eq 'st') {
         my $result = &commit_studentrole(\$logmsg,$udom,$uname,$url,$three,$start,$end,
-                                         $one,$two,$sec,$context);
+                                         $one,$two,$sec,$context,$credits);
         if (($result =~ /^error/) || ($result eq 'not_in_class') || 
             ($result eq 'unknown_course') || ($result eq 'refused')) {
             $output = $logmsg.' '.&mt('Error: ').$result."\n"; 
@@ -13193,7 +13262,8 @@ sub commit_standardrole {
 }
 
 sub commit_studentrole {
-    my ($logmsg,$udom,$uname,$url,$three,$start,$end,$one,$two,$sec,$context) = @_;
+    my ($logmsg,$udom,$uname,$url,$three,$start,$end,$one,$two,$sec,$context,
+        $credits) = @_;
     my ($result,$linefeed,$oldsecurl,$newsecurl);
     if ($context eq 'auto') {
         $linefeed = "\n";
@@ -13240,7 +13310,11 @@ sub commit_studentrole {
             }
         }
         if (($expire_role_result eq 'ok') || ($secchange == 0)) {
-            $modify_section_result = &Apache::lonnet::modify_student_enrollment($udom,$uname,undef,undef,undef,undef,undef,$sec,$end,$start,'','',$cid,'',$context);
+            $modify_section_result = 
+                &Apache::lonnet::modify_student_enrollment($udom,$uname,undef,undef,
+                                                           undef,undef,undef,$sec,
+                                                           $end,$start,'','',$cid,
+                                                           '',$context,$credits);
             if ($modify_section_result =~ /^ok/) {
                 if ($secchange == 1) {
                     if ($sec eq '') {
@@ -13262,7 +13336,7 @@ sub commit_studentrole {
                     }
                 }
             } else {
-                if ($secchange) {       
+                if ($secchange) { 
                     $$logmsg .= &mt('Error when attempting section change for [_1] from old section "[_2]" to new section: "[_3]" in course [_4] -error:',$uname,$oldsec,$sec,$cid).' '.$modify_section_result.$linefeed;
                 } else {
                     $$logmsg .= &mt('Error when attempting to modify role for [_1] for section: "[_2]" in course [_3] -error:',$uname,$sec,$cid).' '.$modify_section_result.$linefeed;
@@ -13480,6 +13554,7 @@ sub construct_course {
                    'pch.users.denied',
                    'plc.users.denied',
                    'hidefromcat',
+                   'checkforpriv',
                    'categories'],
                    $$crsudom,$$crsunum);
     }
@@ -13509,6 +13584,9 @@ sub construct_course {
     } else {
         $cenv{'internal.courseowner'} = $args->{'curruser'};
     }
+    if ($args->{'defaultcredits'}) {
+        $cenv{'internal.defaultcredits'} = $args->{'defaultcredits'};
+    }
     my @badclasses = (); # Used to accumulate sections/crosslistings that did not pass classlist access check for course owner.
     if ($args->{'crssections'}) {
         $cenv{'internal.sectionnums'} = '';
@@ -13533,6 +13611,11 @@ sub construct_course {
 # do not hide course coordinator from staff listing, 
 # even if privileged
     $cenv{'nothideprivileged'}=$args->{'ccuname'}.':'.$args->{'ccdomain'};
+# add course coordinator's domain to domains to check for privileged users
+# if different to course domain
+    if ($$crsudom ne $args->{'ccdomain'}) {
+        $cenv{'checkforpriv'} = $args->{'ccdomain'};
+    }
 # add crosslistings
     if ($args->{'crsxlist'}) {
         $cenv{'internal.crosslistings'}='';
@@ -13965,7 +14048,7 @@ sub init_user_environment {
         my %reqauthor = &Apache::lonnet::get('requestauthor',['author_status','author'],
                                              $domain,$username);
         my $reqstatus = $reqauthor{'author_status'};
-        if ($reqstatus eq 'approval' || $reqstatus eq 'approved') {
+        if ($reqstatus eq 'approval' || $reqstatus eq 'approved') { 
             if (ref($reqauthor{'author'}) eq 'HASH') {
                 $userenv{'requestauthorqueued'} = $reqstatus.':'.
                                                   $reqauthor{'author'}{'timestamp'};
@@ -14123,6 +14206,32 @@ sub update_content_constraints {
     return;
 }
 
+sub allmaps_incourse {
+    my ($cdom,$cnum,$chome,$cid) = @_;
+    if ($cdom eq '' || $cnum eq '' || $chome eq '' || $cid eq '') {
+        $cid = $env{'request.course.id'};
+        $cdom = $env{'course.'.$cid.'.domain'};
+        $cnum = $env{'course.'.$cid.'.num'};
+        $chome = $env{'course.'.$cid.'.home'};
+    }
+    my %allmaps = ();
+    my $lastchange =
+        &Apache::lonnet::get_coursechange($cdom,$cnum);
+    if ($lastchange > $env{'request.course.tied'}) {
+        my ($furl,$ferr) = &Apache::lonuserstate::readmap("$cdom/$cnum");
+        unless ($ferr) {
+            &update_content_constraints($cdom,$cnum,$chome,$cid);
+        }
+    }
+    my $navmap = Apache::lonnavmaps::navmap->new();
+    if (defined($navmap)) {
+        foreach my $res ($navmap->retrieveResources(undef,sub { $_[0]->is_map() },1,0,1)) {
+            $allmaps{$res->src()} = 1;
+        }
+    }
+    return \%allmaps;
+}
+
 sub parse_supplemental_title {
     my ($title) = @_;
 
@@ -14221,12 +14330,12 @@ sub captcha_display {
     if ($captcha eq 'original') {
         $output = &create_captcha();
         unless ($output) {
-            $error = 'captcha';
+            $error = 'captcha'; 
         }
     } elsif ($captcha eq 'recaptcha') {
         $output = &create_recaptcha($pubkey);
         unless ($output) {
-            $error = 'recaptcha';
+            $error = 'recaptcha'; 
         }
     }
     return ($output,$error);