Language override file changes

lib/WebGUI/Content/SetLanguage.pm

@@ -0,0 +1,83 @@
+package WebGUI::Content::SetLanguage;
+
+=head1 LEGAL
+
+ -------------------------------------------------------------------
+  WebGUI is Copyright 2001-2009 Plain Black Corporation.
+ -------------------------------------------------------------------
+  Please read the legal notices (docs/legal.txt) and the license
+  (docs/license.txt) that came with this distribution before using
+  this software.
+ -------------------------------------------------------------------
+  http://www.plainblack.com                     info@plainblack.com
+ -------------------------------------------------------------------
+
+=cut
+
+
+use strict;
+use WebGUI::Session;
+use WebGUI::International;
+
+=head1 NAME
+
+Package WebGUI::Content::SetLanguage
+
+=head1 DESCRIPTION
+
+Sets or delete an scratch variable that overrides the profile field language
+
+=head1 SYNOPSIS
+
+use WebGUI::Content::SetLanguage;
+WebGUI::Content::SetLanguage::handler();
+
+=head1 SUBROUTINES
+
+These subroutines are available from this package:
+
+handler
+
+=cut
+
+#-------------------------------------------------------------
+
+=head2 handler ( session, op, setLanguage )
+
+sets or delete scratch variable in a session and returns undef
+
+=head3 session
+
+The current WebGUI::Session object.
+
+=head3 op
+
+op should be setLanguage to call the handler
+
+=head3 language
+
+language should be an installed language or delete
+
+=cut
+
+
+sub handler {
+	my ($session) = @_;
+	return undef unless $session->form->get('op') eq 'setLanguage';
+	my $language = $session->form->get('language');
+	#check whether a language has been given in the url
+	if (!$language) { 
+		$session->log->error('There is no language given to this method');
+		return undef;
+	}
+	#make it possible to delete the language scratch variable from the session
+	if ($language eq 'delete' ) {
+		$session->scratch->removeLanguageOverride;
+		return undef;
+	}
+	#set a scratch variable language or throw error if language is not installed
+	else {
+		return $session->scratch->setLanguageOverride($language);
+	}
+}
+1;

lib/WebGUI/International.pm

@@ -284,7 +284,7 @@ Specify a default language. Defaults to user preference or "English".
 sub new {
 	my ($class, $session, $namespace, $language) = @_;
     $namespace ||= 'WebGUI';
-    $language ||= $session->user->profileField('language');
+    $language ||= $session->scratch->getLanguageOverride() || $session->user->profileField('language');
 	my $self =
         bless {
             _session   => $session,

lib/WebGUI/Session/Scratch.pm

@@ -15,6 +15,7 @@ package WebGUI::Session::Scratch;
 =cut
 
 use strict;
+use WebGUI::International;
 
 =head1 NAME
 
@@ -160,6 +161,19 @@ sub get {
 	return $self->{_data}{$var};
 }
 
+#-------------------------------------------------------------------
+
+=head2 getLanguageOverride ()
+
+Retrieves the language of the session scratch
+
+=cut
+
+sub getLanguageOverride {
+	my $self = shift;
+	my $languageOverride = $self->session->scratch->get('language');
+	return $languageOverride;
+}
 
 #-------------------------------------------------------------------
 
@@ -180,7 +194,18 @@ sub new {
 	bless {_session=>$session, _data=>$data}, $class;
 }
 
+#-------------------------------------------------------------------
 
+=head2 removeLanguageOverride()
+
+Removes the language scratch variable from the session
+
+=cut
+
+sub removeLanguageOverride {
+	my $self = shift;
+	$self->session->scratch->delete('language');
+}
 #-------------------------------------------------------------------
 
 =head2 session ( )
@@ -220,5 +245,30 @@ sub set {
 	$self->session->db->write("insert into userSessionScratch (sessionId, name, value) values (?,?,?) on duplicate key update value=VALUES(value)", [$self->session->getId, $name, $value]);
 }
 
+#----------------------------------------------------------------------
+
+=head2 setLanguageOverride ( language )
+
+Sets a scratch variable language in the session if the language is installed
+
+=head3 language
+
+The language that should be set into the session
+
+=cut
+
+sub setLanguageOverride {
+	my $self = shift;
+	my $language = shift;
+        my $i18n = WebGUI::International->new($self->session);
+        if($i18n->getLanguages()->{$language}) {
+                $self->session->scratch->set("language",$language);
+                return undef;
+        }
+        else {
+                $self->session->log->error("Language $language is not installed in this site");
+                return undef;
+	}
+}
 
 1;