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<?php if (!defined('BASEPATH')) exit('No direct script access allowed');

class MY_Lang extends CI_Lang
{
    public function switch_to($idiom)
    {
        $CI =& get_instance();
        if(is_string($idiom))
        {
            $CI->config->set_item('language', $idiom);
            $loaded = $this->is_loaded;
            $this->is_loaded = array();
                
            foreach($loaded as $file)
            {
                $this->load(strtr($file, '', '_lang.php'));
            }
        }
    }
    
    /**
     * Fetch a single line of text from the language array. Takes variable number
     * of arguments and supports wildcards in the form of '%1', '%2', etc.
     * Overloaded function.
     *
     * @access public
     * @return mixed false if not found or the language string
     */
    public function line($line = '', $log_errors = TRUE)
    {
        //get the arguments passed to the function
        $args = func_get_args();
        
        //count the number of arguments
        $c = count($args);
        
        //if one or more arguments, perform the necessary processing
        if($c)
        {
            //first argument should be the actual language line key
            //so remove it from the array (pop from front)
            $line = array_shift($args);
            
            //check to make sure the key is valid and load the line
            if($line == '')
            {
                $line = FALSE;
            }
            else 
            {
                if(isset($this->language[$line]) && $this->language[$line] != '')
                {
                    $line = $this->language[$line];
                    //if the line exists and more function arguments remain
                    //perform wildcard replacements
                    if($args)
                    {
                        $i = 1;
                        foreach($args as $arg)
                        {
                            $line = preg_replace('/\%'.$i.'/', $arg, $line);
                            ++$i;
                        }
                    }
                }
                else
                {
                    // just return label name (with TBD)
                    $line = $this->line_tbd($line);
                    log_message('error', 'Could not find the language line "'.$line.'"');
                }
            }
        }
        else
        {
            //if no arguments given, no language line available
            $line = FALSE;
        }
        
        return $line;
    }
    
    public function line_tbd($line = '')
    {
        return $line . ' (TBD)';
    }
}

?>