--- loncom/interface/loncommon.pm	2011/10/24 22:02:41	1.1023
+++ loncom/interface/loncommon.pm	2011/12/27 19:47:02	1.1028.2.2
@@ -1,7 +1,7 @@
 # The LearningOnline Network with CAPA
 # a pile of common routines
 #
-# $Id: loncommon.pm,v 1.1023 2011/10/24 22:02:41 www Exp $
+# $Id: loncommon.pm,v 1.1028.2.2 2011/12/27 19:47:02 foxr Exp $
 #
 # Copyright Michigan State University Board of Trustees
 #
@@ -154,6 +154,8 @@ sub ssi_with_retries {
 # ----------------------------------------------- Filetypes/Languages/Copyright
 my %language;
 my %supported_language;
+my %latex_language;		# For choosing hyphenation in <transl..>
+my %latex_language_bykey;	# for choosing hyphenation from metadata
 my %cprtag;
 my %scprtag;
 my %fe; my %fd; my %fm;
@@ -186,11 +188,15 @@ BEGIN {
             while (my $line = <$fh>) {
                 next if ($line=~/^\#/);
                 chomp($line);
-                my ($key,$two,$country,$three,$enc,$val,$sup)=(split(/\t/,$line));
+                my ($key,$two,$country,$three,$enc,$val,$sup,$latex)=(split(/\t/,$line));
                 $language{$key}=$val.' - '.$enc;
                 if ($sup) {
                     $supported_language{$key}=$sup;
                 }
+		if ($latex) {
+		    $latex_language_bykey{$key} = $latex;
+		    $latex_language{$two} = $latex;
+		}
             }
             close($fh);
         }
@@ -3230,11 +3236,29 @@ sub languagedescription {
 	    ($supported_language{$code}?' ('.&mt('interface available').')':'');
 }
 
+=pod
+
+=item * &plainlanguagedescription
+
+Returns both the plain language description (e.g. 'Creoles and Pidgins, English-based (Other)')
+and the language character encoding (e.g. ISO) separated by a ' - ' string.
+
+=cut
+
 sub plainlanguagedescription {
     my $code=shift;
     return $language{$code};
 }
 
+=pod
+
+=item * &supportedlanguagecode
+
+Returns the supported language code (e.g. sptutf maps to pt) given a language
+code.
+
+=cut
+
 sub supportedlanguagecode {
     my $code=shift;
     return $supported_language{$code};
@@ -3242,6 +3266,35 @@ sub supportedlanguagecode {
 
 =pod
 
+=item * &latexlanguage()
+
+Given a language key code returns the correspondnig language to use
+to select the correct hyphenation on LaTeX printouts.  This is undef if there
+is no supported hyphenation for the language code.
+
+=cut
+
+sub latexlanguage {
+    my $code = shift;
+    return $latex_language{$code};
+}
+
+=pod
+
+=item * &latexhyphenation()
+
+Same as above but what's supplied is the language as it might be stored
+in the metadata.
+
+=cut
+
+sub latexhyphenation {
+    my $key = shift;
+    return $latex_language_bykey{$key};
+}
+
+=pod
+
 =item * &copyrightids() 
 
 returns list of all copyrights
@@ -4446,7 +4499,7 @@ sub get_legacy_domconf {
             close($fh);
         }
     }
-    if (-e '/home/httpd/html/adm/lonDomLogos/'.$udom.'.gif') {
+    if (-e $Apache::lonnet::perlvar{'lonDocRoot'}.'/adm/lonDomLogos/'.$udom.'.gif') {
         $legacyhash{$udom.'.login.domlogo'} = "/adm/lonDomLogos/$udom.gif";
     }
     return %legacyhash;
@@ -4532,27 +4585,39 @@ sub designparm {
 
 =item * &authorspace()
 
-Inputs: ./.
+Inputs: $url (usually will be undef).
 
-Returns: Path to the Construction Space of the current user's
-         accessed author space
-         The author space will be that of the current user
-         when accessing the own author space
-         and that of the co-author/assistent co-author
-         when accessing the co-author's/assistent co-author's
-         space
+Returns: Path to Construction Space containing the resource or 
+         directory being viewed (or for which action is being taken). 
+         If $url is provided, and begins /priv/<domain>/<uname>
+         the path will be that portion of the $context argument.
+         Otherwise the path will be for the author space of the current
+         user when the current role is author, or for that of the 
+         co-author/assistant co-author space when the current role 
+         is co-author or assistant co-author.
 
 =cut
 
 sub authorspace {
+    my ($url) = @_;
+    if ($url ne '') {
+        if ($url =~ m{^(/priv/$match_domain/$match_username/)}) {
+           return $1;
+        }
+    }
     my $caname = '';
-    if ($env{'request.role'} =~ /^ca|^aa/) {
-        (undef,$caname) =
+    my $cadom = '';
+    if ($env{'request.role'} =~ /^(?:ca|aa)/) {
+        ($cadom,$caname) =
             ($env{'request.role'}=~/($match_domain)\/($match_username)$/);
-    } else {
+    } elsif ($env{'request.role'} =~ m{^au\./($match_domain)/}) {
         $caname = $env{'user.name'};
+        $cadom = $env{'user.domain'};
+    }
+    if (($caname ne '') && ($cadom ne '')) {
+        return "/priv/$cadom/$caname/";
     }
-    return '/priv/'.$caname.'/';
+    return;
 }
 
 ##############################################
@@ -4580,7 +4645,9 @@ sub head_subbox {
 
 =item * &CSTR_pageheader()
 
-Inputs: ./.
+Input: (optional) filename from which breadcrumb trail is built.
+       In most cases no input as needed, as $env{'request.filename'}
+       is appropriate for use in building the breadcrumb trail.
 
 Returns: HTML div with CSTR path and recent box
          To be included on Construction Space pages
@@ -4588,12 +4655,19 @@ Returns: HTML div with CSTR path and rec
 =cut
 
 sub CSTR_pageheader {
-    # this is for resources; directories have customtitle, and crumbs
-            # and select recent are created in lonpubdir.pm  
+    my ($trailfile) = @_;
+    if ($trailfile eq '') {
+        $trailfile = $env{'request.filename'};
+    }
+
+# this is for resources; directories have customtitle, and crumbs
+# and select recent are created in lonpubdir.pm
+
+    my $londocroot = $Apache::lonnet::perlvar{'lonDocRoot'};
     my ($udom,$uname,$thisdisfn)=
-        ($env{'request.filename'} =~ m|^/home/httpd/html/priv/([^/]+)/([^/]+)/(.*)$|);
-    my $formaction='/priv/'.$udom.'/'.$uname.'/'.$thisdisfn;
-    $formaction=~s/\/+/\//g;
+        ($trailfile =~ m{^\Q$londocroot\E/priv/([^/]+)/([^/]+)/(.*)$});
+    my $formaction = "/priv/$udom/$uname/$thisdisfn";
+    $formaction =~ s{/+}{/}g;
 
     my $parentpath = '';
     my $lastitem = '';
@@ -4610,7 +4684,7 @@ sub CSTR_pageheader {
         .'<b>'.&mt('Construction Space:').'</b> '
         .'<form name="dirs" method="post" action="'.$formaction
         .'" target="_top">' #FIXME lonpubdir: target="_parent"
-        .&Apache::lonhtmlcommon::crumbs($uname.'/'.$parentpath,'_top','/priv',undef,undef);
+        .&Apache::lonhtmlcommon::crumbs($uname.'/'.$parentpath,'_top','/priv/'.$udom,undef,undef);
 
     if ($lastitem) {
         $output .=
@@ -7124,7 +7198,7 @@ sub get_users_function {
         $function='admin';
     }
     if (($env{'request.role'}=~/^(au|ca|aa)/) ||
-        ($ENV{'REQUEST_URI'}=~/^(\/priv|\~)/)) {
+        ($ENV{'REQUEST_URI'}=~ m{/^(/priv)})) {
         $function='author';
     }
     return $function;
@@ -8449,7 +8523,7 @@ sub ask_for_embedded_content {
     } elsif (($actionurl eq '/adm/upload') || ($actionurl eq '/adm/testbank') ||
              ($actionurl eq '/adm/imsimport')) { 
         my ($udom,$uname,$rest) = ($args->{'current_path'} =~ m{/priv/($match_domain)/($match_username)/?(.*)$});
-        $url = '/home/httpd/html/priv/'.$udom.'/'.$uname.'/';
+        $url = $Apache::lonnet::perlvar{'lonDocRoot'}."/priv/$udom/$uname/";
         $toplevel = $url;
         if ($rest ne '') {
             $url .= $rest;
@@ -8813,12 +8887,12 @@ sub upload_embedded {
             my $fullpath = $dir_root.$dirpath.'/'.$path;
             my $dest = $fullpath.$fname;
             my $url = $url_root.$dirpath.'/'.$path.$fname;
-            my @parts=split(/\//,$fullpath);
+            my @parts=split(/\//,"$dirpath/$path");
             my $count;
             my $filepath = $dir_root;
-            for ($count=4;$count<=$#parts;$count++) {
-                $filepath .= "/$parts[$count]";
-                if ((-e $filepath)!=1) {
+            foreach my $subdir (@parts) {
+                $filepath .= "/$subdir";
+                if (!-e $filepath) {
                     mkdir($filepath,0770);
                 }
             }
@@ -8937,7 +9011,7 @@ sub modify_html_refs {
     } elsif ($context eq 'coursedoc') {
         $container = $env{'form.primaryurl'};
     } else {
-        $container = $env{'form.filename'};
+        $container = $Apache::lonnet::perlvar{'lonDocRoot'}.$env{'form.filename'};
     }
     my (%allfiles,%codebase,$output,$content);
     my @changes = &get_env_multiple('form.namechange');