Helper function for creating and highlighting Twitter Bootstrap Nav-Links

gistfile1.txt

if (! function_exists('nav_link'))
{
	/**
	 * Helper function for creating and highlighting Twitter Bootstrap Nav-Links
	 * david.wosnitza // 2012-05-10 13:05:34
	 * 
	 * @param  string  $uri   The URI you want to Navigate to
	 * @param  string  $title Your Link text
	 * @param  boolean $home  Activation override: Highlights on if URI is empty
	 * @param  integer $level Choose the URI segment to comare to
	 * @return string         The complet <LI>-Element
	 */
	function ch_navlink($uri, $title, $home = FALSE, $level = 1) 
	{	
		$CI                = &get_instance();
		
		$uri_orig          = $uri;
		$uri               = $uri[0] === '/' ? substr($uri, 1) : $uri;
		$uri_string        = $CI->uri->uri_string();
		
		$uri_array         = explode('/', $uri);
		
		$segment_count     = $CI->uri->total_segments();
		$uri_segment_count = count(explode('/', $uri));
		
		$active            = '';
		
		if ( 
			$segment_count === 1
			OR (
				$segment_count > 1 
				AND $segment_count === $uri_segment_count
				)
			)
		{
			$active = $uri_string === $uri ? 'class="active" ' : '';
		}
		elseif (
			$segment_count > 1 
			AND $uri_string !== $uri)
		{
			$active = $CI->uri->segment($level) === $uri_array[$level-1] ? 'class="active" ' : '';
		}
		

		if ( $home && $segment_count == 0)
		{
			$active = ' class="active"';
		}

		return '<li '.$active.'><a href="'.$uri_orig.'">'.$title.'</a></li>';
	}
}

/* End of file common_helper.php */
/* Location: ./application/helpers/common_helper.php */