loncom/interface/loncommon.pm - diff

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-version 1.96, 2003/04/19 15:34:06
+version 1.97, 2003/05/03 20:35:43
  Line 1347  sub languagedescription {
      return $language{shift(@_)};
  }
+ # ----------------------------------------------------------- Display Languages
+ # returns a hash with all desired display languages
+ #
+ sub display_languages {
+     my %languages=();
+     if ($ENV{'environment.languages'}) {
+ 	foreach (split(/\s*(\,|\;|\:)\s*/,$ENV{'environment.languages'})) {
+ 	    $languages{$_}=1;
+         }
+     }
+     &get_unprocessed_cgi($ENV{'QUERY_STRING'},['displaylanguage']);
+     if ($ENV{'form.displaylanguage'}) {
+ 	foreach (split(/\s*(\,|\;|\:)\s*/,$ENV{'form.displaylanguage'})) {
+ 	    $languages{$_}=1;
+         }
+     }
+     return %languages;
+ }
  # --------------------------------------------------------------- Copyright IDs
  sub copyrightids {
      return sort(keys(%cprtag));