<?php

	class LanguagesTagProcessor extends kDBTagProcessor
	{

		/**
		 * Guesses what charset should be used:
		 * 1. use lang.current_Field field="Charset" by default
		 * 2. if using temp tables then use lang_Field field="Charset"
		 *
		 * @param Array $params
		 * @return string
		 */
		function GetCharset($params)
		{
			$edit_direct = $this->Application->GetVar('phrases_label');

			$top_prefix = $this->Application->GetTopmostPrefix($this->Prefix);
			if( substr($this->Application->GetVar($top_prefix.'_mode'), 0, 1) == 't' && !$edit_direct )
			{
				$object =& $this->getObject();
				return $object->GetDBField('Charset');
			}
			$lang_current =& $this->Application->recallObject('lang.current');
			return $lang_current->GetDBField('Charset');
		}

		function ListLanguages($params)
		{
			$this->Special = 'enabled';
			return $this->PrintList2($params);
		}

		function SelectedLanguage($params)
		{
			$object =& $this->Application->recallObject($this->getPrefixSpecial());
			return $object->GetDBField('LanguageId') == $this->Application->GetVar('m_lang');
		}

		/**
		 * Returns path where exported languages should be saved
		 *
		 * @param unknown_type $params
		 */
		function ExportPath($params)
		{

			$ret = EXPORT_PATH.'/';

			if( getArrayValue($params,'as_url') )
			{
				$ret = str_replace( FULL_PATH.'/', $this->Application->BaseURL(), $ret);
			}
			return $ret;
		}

		/**
		 * Returns true if system has more then 1 language installed
		 *
		 * @param Array $params
		 * @return bool
		 */
		function IsMultiLanguage($params)
		{
			return $this->TotalRecords($params) > 1;
		}
		
		function IsPrimaryLanguage($params)
		{
			return $this->Application->GetDefaultLanguageId() == $this->Application->GetVar('m_lang');
		}
		
/*		function Main_IsMetricUnits($params)
		{
			$object =& $this->Application->recallObject($this->Prefix.'.current');
			$measure_system = $object->GetDBField('UnitSystem');
			return $measure_system == 1 ? 1 : 0;
		}*/

	}

?>