<?php

	class renderNavigationClass extends renderClass_abstract
		{
			private $_navData	= array ( );
			private $_node		= null;
			private $_prefix	= '';
			private $_firstKey	= 0;
			
			public function createNavigation ( $navData )
				{
					$this -> _navData	= $navData;
					$this -> _node		= $this -> _tpl -> createDocumentFragment ( );
					$navKeys	= array_keys ( $navData );
					$firstKey	= $navKeys[ 0 ];
					$this -> _firstKey	= $firstKey;
					$this -> _prefix	= renderNavigationClass :: getNavigationPrefix ( );
					
					$node		= renderNavigationClass :: getNavigationNode ( $this -> _firstKey );
					if ( $node !== false )
						{
							$this -> _node -> appendChild ( $node );
						}

					return $this -> _node;
				}
			
			private function getNavigationPrefix ( )
				{
					foreach ( $this -> _navData[ $this -> _firstKey ][ 0 ] as $key => $value )
						{
							if ( strpos ( $key , '_' ) !== false )
								{
									return substr ( $key , 0 , strpos ( $key , '_' ) + 1 );
								}
							else
								{
									return '';
								}
						}
				}
			
			private function getNavigationNode ( $navStart )
				{
					if ( ! isset ( $this -> _navData[ $navStart ] ) || count ( $this -> _navData [ $navStart ] ) == 0 )
						{
							return false;
						}
						
					$newNode	= $this -> _tpl -> createElement ( 'ul' );
					foreach ( $this -> _navData [ $navStart ] AS $key => $value )
						{
							if ( $this -> _textsFromConfig )
								{
									if ( array_key_exists ( $value [ $this -> _prefix . 'navId' ] , $this -> _website ) )
										{
											$navTitle	= $this -> _website[ $value [ $this -> _prefix . 'navId' ] ][ 'names' ];
										}
									else
										{
											$navTitle	= $this -> _langArray [ 'navi' ][ 'site_' . $value [ $this -> _prefix . 'navId' ] ];
										}
								}
							else
								{
									$navTitle	= $value[ $this -> _prefix . 'navName' ];
								}
							if ( $this -> _modrewrite )
								{
									$navHref	= $value[ $this -> _prefix . 'navLink' ];
								}
							else
								{
									$navHref	= ( ! isset ( $value[ $this -> _prefix . 'navType' ] ) || ( isset ( $value[ $this -> _prefix . 'navType' ] ) && $value[ $this -> _prefix . 'navType' ] === 'html' ) )
												? $value [ $this -> _prefix . 'navTarget' ]
												: 'javascript:void( 0 );';
								}
										
							$newLi		= $this -> _tpl -> createElement ( 'li' );
							$newHref	= $this -> _tpl -> createElement ( 'a' );
							if ( in_array ( $value[ $this -> _prefix . 'navId' ] , $this -> _navpath ) )
								{
									$newHref -> setAttributeNode ( new DOMAttr ( 'class' , 'active' ) );
								}
							$newHref -> appendChild ( new DOMText ( $navTitle ) );
							$newHref -> setAttributeNode ( new DOMAttr ( 'href' , $navHref ) );
							if ( isset ( $value[ $this -> _prefix . 'navType' ] ) && $value[ $this -> _prefix . 'navType' ] === 'js' )
								{
									$newHref -> setAttributeNode ( new DOMAttr ( 'onclick' , $value[ $this -> _prefix . 'navTarget' ] ) );
								}
							$newLi -> appendChild ( $newHref );
							
							$sub_node	= renderNavigationClass :: getNavigationNode ( $value[ $this -> _prefix . 'navId' ] );
							if ( $sub_node !== false )
								{
									$newLi -> appendChild ( $sub_node );
								}
							$newNode -> appendChild ( $newLi );
							
						}
						
					unset ( $this -> _navData [ $navStart ] );
					
					return $newNode;
				
				}
		}

?>