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File: /home/bs3263/domains/poolq.ee/old_old/wp-content/themes/graphene/includes/theme-menu.php
<?php
/**
 * Defines the custom walker that adds description to the display of our Header Menu
*/
class Graphene_Description_Walker extends Walker_Nav_Menu {
	function start_el( &$output, $item, $depth, $args ) {
		global $wp_query;
		
		$indent = ( $depth ) ? str_repeat( "\t", $depth ) : '';
		
		$class_names = $value = '';
		
		$classes = empty( $item->classes ) ? array() : (array) $item->classes;
		
		$class_names = join( ' ', apply_filters( 'nav_menu_css_class', array_filter( $classes ), $item ) );
		$class_names = ' class="'. esc_attr( $class_names ) . '"';
		
		$output .= $indent . '<li id="menu-item-'. $item->ID . '"' . $value . $class_names .'>';
		
		$attributes  = ! empty( $item->attr_title ) ? ' title="'  . esc_attr( $item->attr_title ) .'"' : '';
		$attributes .= ! empty( $item->target )     ? ' target="' . esc_attr( $item->target     ) .'"' : '';
		$attributes .= ! empty( $item->xfn )        ? ' rel="'    . esc_attr( $item->xfn        ) .'"' : '';
		$attributes .= ! empty( $item->url )        ? ' href="'   . esc_attr( $item->url        ) .'"' : '';
		
		$prepend = '<strong>';
		$append = '</strong>';
		
		// Don't show description if it's longer than the length
		$desc_length = apply_filters( 'graphene_menu_desc_length', 50 );
		
		if ( strlen( $item->description ) > $desc_length)
			$description = '';
		else
			$description  = ! empty( $item->description ) ? '<span>'.esc_attr( $item->description ).'</span>' : '';
		
		if ( $depth != 0 )	{
				 $description = $append = $prepend = "";
		}
		
		$item_output = $args->before;
		$item_output .= '<a'. $attributes .'>';
		$item_output .= $args->link_before .$prepend.apply_filters( 'the_title', $item->title, $item->ID ).$append;
		$item_output .= $description.$args->link_after;
		$item_output .= '</a>';
		$item_output .= $args->after;
		
		$output .= apply_filters( 'walker_nav_menu_start_el', $item_output, $item, $depth, $args );
		}
}


/**
 * Define the callback menu, if there is no custom menu.
 * This menu automatically lists all Pages as menu items, including their direct
 * direct descendant, which will only be displayed for the current parent.
*/
if ( ! function_exists( 'graphene_default_menu' ) ) :

	function graphene_default_menu(){ global $graphene_settings; ?>
    
		<ul id="header-menu" class="<?php echo graphene_get_menu_class('menu clearfix default-menu'); ?>">
            <?php if (get_option( 'show_on_front' ) == 'posts' ) : ?>
            <li <?php if ( is_single() || is_front_page() ) { echo 'class="current_page_item current-menu-item"'; } ?>>
            	<a href="<?php echo get_home_url(); ?>">
                	<strong><?php _e( 'Home','graphene' ); ?></strong>
                    <?php if ( $graphene_settings['navmenu_home_desc']) {echo '<span>'.$graphene_settings['navmenu_home_desc'].'</span>';} ?>
                </a>
            </li>
            <?php endif; ?>
            <?php 
			$args = array( 
						'echo' 			=> 1,
						'depth' 		=> 5,
						'title_li' 		=> '',
						'walker' 		=> new Walker_PageDescription() 
					);
				
			wp_list_pages( apply_filters( 'graphene_default_menu_args', $args ) );
			?>
        </ul>
<?php
	do_action( 'graphene_default_menu' );
	} 
	
endif;

class Walker_PageDescription extends Walker_Page {
    
    /**
     * Code exact copied from: wp-includes\post-template.pgp >> Walker_Page::start_el() 
     * @since 2.1.0
     */
    function start_el( &$output, $page, $depth, $args, $current_page ) {
		
		global $graphene_settings;
		
        if ( $depth )
            $indent = str_repeat("\t", $depth);
        else
            $indent = '';
        extract( $args, EXTR_SKIP);
        $css_class = array( 'page_item', 'page-item-'.$page->ID);
		if ( !empty( $current_page) ) {
			$_current_page = get_page( $current_page );
			_get_post_ancestors( $_current_page);
			if ( isset( $_current_page->ancestors) && in_array( $page->ID, (array) $_current_page->ancestors) ) {
				$css_class[] = 'current_page_ancestor';
				$css_class[] = 'current-menu-ancestor';
			}
			if ( $page->ID == $current_page ) {
				$css_class[] = 'current_page_item';
				$css_class[] = 'current-menu-item';
			}
			elseif ( $_current_page && $page->ID == $_current_page->post_parent ) {
				$css_class[] = 'current_page_parent';
				$css_class[] = 'current-menu-ancestor';
				$css_class[] = 'current-menu-parent';
			}
		} elseif ( $page->ID == get_option( 'page_for_posts' ) ) {
			$css_class[] = 'current_page_parent';
			$css_class[] = 'current-menu-ancestor';
			$css_class[] = 'current-menu-parent';
		}
		
		// Check if page has children
		if ( get_pages( array( 'child_of' => $page->ID, 'parent' => $page->ID ) ) ) {
			$css_class[] = 'menu-item-ancestor';
		}

		$css_class = implode( ' ', apply_filters( 'page_css_class', $css_class, $page) );
                
		$title = apply_filters( 'the_title', $page->post_title, $page->ID );
		
		// get the graphene description if it is set otherwise the wordpress default -> title
		$menu_title = apply_filters( 'the_title', $page->post_title, $page->ID );
		if ( ! $depth && ! $graphene_settings['disable_menu_desc'] ){
			$menu_title = '<strong>' . $menu_title . '</strong>';
		}
		if ( ! $graphene_settings['disable_menu_desc'] ){
			$menu_title .= ( get_post_meta( $page->ID, '_graphene_nav_description', true ) && ! $depth ) ? 
							'<span>' . get_post_meta( $page->ID, '_graphene_nav_description', true ) . '</span>' : 
							'';
		}
                
		$output .= $indent . '<li class="' . $css_class . '"><a href="' . get_permalink( $page->ID) . '">' . $link_before . $menu_title . $link_after . '</a>';

		if ( !empty( $show_date) ) {
			if ( 'modified' == $show_date )
				$time = $page->post_modified;
			else
				$time = $page->post_date;

			$output .= " " . mysql2date( $date_format, $time);
		}
		
		$output = apply_filters( 'graphene_page_description_walker_output', $output, $page, $depth, $args, $current_page );
    }
}


/*
 * Adds a menu-item-ancestor class to menu items with children for styling.
 * Code taken from the Menu-item-ancestor plugin by Valentinas Bakaitis
*/
function graphene_add_ancestor_class( $classlist, $item){
	global $wp_query, $wpdb;
	//get the ID of the object, to which menu item points
	$id = get_post_meta( $item->ID, '_menu_item_object_id', true);
	//get first menu item that is a child of that object
	$children = $wpdb->get_var( 'SELECT post_id FROM '.$wpdb->postmeta.' WHERE meta_key like "_menu_item_menu_item_parent" AND meta_value='.$item->ID.' LIMIT 1' );
	//if there is at least one item, then $children variable will contain it's ID (which is of course more than 0)
	if( $children > 0)
		//in that case - add the CSS class
		$classlist[] = 'menu-item-ancestor';
	//return class list
	return $classlist;
}

//add filter to nav_menu_css_class list
add_filter( 'nav_menu_css_class', 'graphene_add_ancestor_class', 2, 10);

function graphene_get_menu_class( $menu_class ){
    global $graphene_settings;
    
    // if the search box is located in the navigation bar restrict the width of the menu to 12 grid columns
    if (($search_box_location = $graphene_settings['search_box_location']) && $search_box_location == 'nav_bar'){
        $menu_class .= ' grid_12';
    }
    
    return $menu_class;
}

?>