#!/usr/bin/perl
#
# $Id: languagelib.pl,v 1.6 2005/12/14 19:24:34 ddoughty Exp $
#
# Source File: languagelib.pl

%LANGUAGE_ID = ( 'enu' => 'English (U.S.)', 'ena' => 'English (Aus)', 
				'euv' => 'English (U.S.) VM',
				'fr' => 'French', 'deu' => 'German', 
				'sp' => 'Spanish', 'arb' => 'Arabic', 
				'cyr' => 'Cyrillic', 'my' => 'Malay',
				'kor' => 'Korean', 'afr' => 'Afrikaans',
				'hin' => 'Hindi');
%LANGUAGE_FLAG = ( 'enu' => 'flagsussm.gif', 'sp' => 'flagsspsm.gif',
		   'fr' => 'flagsfrsm.gif', 'deu' => 'flagsdeusm.gif',
		   'my' => 'flagsmysm.gif');

#
# Load English as the default Language
#
$idEnglish = "enu";
&LoadLanguage($idEnglish);
$SYSTEM{'supportedlanguages'} = &GetSupportedLanguages('enu','Y','N','N');

#
# $lok = &LanguageIsSupported(_LANGUAGE_ID);
#
sub LanguageIsSupported {
	if ($LANGUAGE_ID{$_[0]} eq '') {
		return 0;
	} else {
		return 1;
	}
}

#
# $options = &GetSupportedLanguages($defaultlanguage,$enabkeytrans, $setsystem, $multipleselect);
#
sub GetSupportedLanguages {
	$deflang = ",$_[0],";
	$onchangeevent = ($_[1] eq 'Y') ? " onChange=\"return langselect(this)\"" : "";
	$sreturn="";
	if ($_[3] eq 'Y') {
		$sreturn = join('',$sreturn,"<OPTION value=\"none\">None\n");
	}
	for (keys %LANGUAGE_ID) {
		unless (($_ eq 'arb') || ($_ eq 'cyr')) {
			$checked = ($deflang =~ /,$_,/) ? " SELECTED" : "";
			$sreturn = join('',$sreturn,"<OPTION VALUE=\"$_\"$checked> $LANGUAGE_ID{$_}\n");
		}
	}
	$sreturn = join('',$sreturn,"<OPTION value=\"math\">Math/Scientific\n");
	$sreturn = join('',$sreturn,"<OPTION value=\"misc\">Miscellaneous\n");
	if ($_[3] eq 'Y') {
		$sreturn = join('',"<SELECT NAME=\"languagedef\"$onchangeevent MULTIPLE SIZE=5>\n",$sreturn,"</SELECT>\n");
	} else {
		$sreturn = join('',"<SELECT NAME=\"languageext\"$onchangeevent>\n",$sreturn,"</SELECT>\n");
	}
	if ($_[2] eq 'Y') {
		$SYSTEM{'supportedlanguages'} = $sreturn;
	}
	return $sreturn;
}
#
# &LoadLanguage($languageid)
#
sub LoadLanguage {
	$llid = $_[0];
	@sEnglish = &get_phrases('enu');
	if ($llid ne 'enu') {
		@sTranslation = &get_phrases($llid);
	}
	for (0 .. $#sEnglish) {
		$sEnglish[$_] =~ s/\r//g;
		$sEnglish[$_] =~ s/\n//g;
		&SetLanguageElement("enu",$_,$sEnglish[$_]);
		if ($llid ne 'enu') {
			$sTranslation[$_] =~ s/\r//g;
			$sTranslation[$_] =~ s/\n//g;
			&SetLanguageElement($llid,$_,$sTranslation[$_]);
		}
	}
	if ($llid eq 'enu') {
		@sTranslation = @sEnglish;
	}
$SYSTEM{'months'} = "<OPTION VALUE=\"01\">$sTranslation[526]
<OPTION VALUE=\"02\">$sTranslation[527]
<OPTION VALUE=\"03\">$sTranslation[528]
<OPTION VALUE=\"04\">$sTranslation[529]
<OPTION VALUE=\"05\">$sTranslation[530]
<OPTION VALUE=\"06\">$sTranslation[531]
<OPTION VALUE=\"07\">$sTranslation[532]
<OPTION VALUE=\"08\">$sTranslation[533]
<OPTION VALUE=\"09\">$sTranslation[534]
<OPTION VALUE=\"10\">$sTranslation[535]
<OPTION VALUE=\"11\">$sTranslation[536]
<OPTION VALUE=\"12\">$sTranslation[537]
";
	return @sTranslation;
}

#
# &SetLanguageElement($languageid, $elementid, $elementtext);
#
sub SetLanguageElement {
	my ($languageid, $elementid, $elementtext) = @_;
	if ($languageid eq 'ena') {
		$LANG_ENA[$elementid] = $elementtext;
	} elsif ($languageid eq 'euv') {
		$LANG_EUV[$elementid] = $elementtext;
	} elsif ($languageid eq 'deu') {
		$LANG_DEU[$elementid] = $elementtext;
	} elsif ($languageid eq 'fr') {
		$LANG_FR[$elementid] = $elementtext;
	} elsif ($languageid eq 'sp') {
		$LANG_SP[$elementid] = $elementtext;
	} elsif ($languageid eq 'arb') {
		$LANG_ARB[$elementid] = $elementtext;
	} elsif ($languageid eq 'cyr') {
		$LANG_CYR[$elementid] = $elementtext;
	} elsif ($languageid eq 'my') {
		$LANG_MY[$elementid] = $elementtext;
	} elsif ($languageid eq 'kor') {
		$LANG_KOR[$elementid] = $elementtext;
	} elsif ($languageid eq 'afr') {
		$LANG_AFR[$elementid] = $elementtext;
	} elsif ($languageid eq 'hin') {
		$LANG_HIN[$elementid] = $elementtext;
	} else {
		$LANG_ENU[$elementid] = $elementtext;
	}
}
#
# $elementtext = &GetLanguageElement($languageid, $elementid);
#
sub GetLanguageElement {
	my ($languageid, $elementid) = @_;
	my $result;
	if ( ! defined($languageid) ) {
		&logger::logerr("GetLanguageElement() called with undefined languageid");
	}
	if ( ! defined($elementid) ) {
		&logger::logerr("GetLanguageElement() called with undefined elementid");
	}
	if ( $languageid eq 'enu' || ! defined($languageid) ) {
		$result = $LANG_ENU[$elementid];
	} elsif ($languageid eq 'ena') {
		$result = $LANG_ENA[$elementid];
	} elsif ($languageid eq 'euv') {
		$result = $LANG_EUV[$elementid];
	} elsif ($languageid eq 'deu') {
		$result = $LANG_DEU[$elementid];
	} elsif ($languageid eq 'fr') {
		$result = $LANG_FR[$elementid];
	} elsif ($languageid eq 'sp') {
		$result = $LANG_SP[$elementid];
	} elsif ($languageid eq 'my') {
		$result = $LANG_MY[$elementid];
	} elsif ($languageid eq 'kor') {
		$result = $LANG_KOR[$elementid];
	} elsif ($languageid eq 'afr') {
		$result = $LANG_AFR[$elementid];
	} elsif ($languageid eq 'hin') {
		$result = $LANG_HIN[$elementid];
	} else {
		&logger::logwarn("Unrecognized language ID '$languageid', defaulting to English");
		$result = $LANG_ENU[$elementid];
	}

	if ( ! defined($result) ) {
#		&logger::logwarn("Returning undefined result GetLanguageElement($languageid, $elementid)");
	}
	return $result;
}
#
# &LanguageSupportInit();
#
sub LanguageSupportInit {
	&get_client_configuration();
	$SESSION{'lang'} = ($SYSTEM{'DEFAULTLANG'} eq '') ? "enu" : $SYSTEM{'DEFAULTLANG'};
	if (($SYSTEM{'languagesupport'} eq 'TRUE') && ($FORM{'lang'} ne $SESSION{'lang'}) && ($FORM{'lang'} ne '')) {
		$SESSION{'lang'} = $FORM{'lang'};
	}
	unless ($FORM{'tid'} eq '') {&set_session($FORM{'tid'},'lang',$SESSION{'lang'});}
	@xlatphrase = &LoadLanguage($SESSION{'lang'});
	&GetSupportedLanguages($SESSION{'lang'},'Y','Y','N');
}
# End Library
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