wp_nav_menu_item_post_type_meta_box

Source code

function wp_nav_menu_item_post_type_meta_box( $object, $post_type ) {

	global $_nav_menu_placeholder, $nav_menu_selected_id;



	$post_type_name = $post_type['args']->name;



	// paginate browsing for large numbers of post objects

	$per_page = 50;

	$pagenum = isset( $_REQUEST[$post_type_name . '-tab'] ) && isset( $_REQUEST['paged'] ) ? absint( $_REQUEST['paged'] ) : 1;

	$offset = 0 < $pagenum ? $per_page * ( $pagenum - 1 ) : 0;



	$args = array(

		'offset' => $offset,

		'order' => 'ASC',

		'orderby' => 'title',

		'posts_per_page' => $per_page,

		'post_type' => $post_type_name,

		'suppress_filters' => true,

		'update_post_term_cache' => false,

		'update_post_meta_cache' => false

	);



	if ( isset( $post_type['args']->_default_query ) )

		$args = array_merge($args, (array) $post_type['args']->_default_query );



	// @todo transient caching of these results with proper invalidation on updating of a post of this type

	$get_posts = new WP_Query;

	$posts = $get_posts->query( $args );

	if ( ! $get_posts->post_count ) {

		echo '<p>' . __( 'No items.' ) . '</p>';

		return;

	}



	$post_type_object = get_post_type_object($post_type_name);



	$num_pages = $get_posts->max_num_pages;



	$page_links = paginate_links( array(

		'base' => add_query_arg(

			array(

				$post_type_name . '-tab' => 'all',

				'paged' => '%#%',

				'item-type' => 'post_type',

				'item-object' => $post_type_name,

			)

		),

		'format' => '',

		'prev_text' => __('&laquo;'),

		'next_text' => __('&raquo;'),

		'total' => $num_pages,

		'current' => $pagenum

	));



	if ( !$posts )

		$error = '<li id="error">'. $post_type['args']->labels->not_found .'</li>';



	$db_fields = false;

	if ( is_post_type_hierarchical( $post_type_name ) ) {

		$db_fields = array( 'parent' => 'post_parent', 'id' => 'ID' );

	}



	$walker = new Walker_Nav_Menu_Checklist( $db_fields );



	$current_tab = 'most-recent';

	if ( isset( $_REQUEST[$post_type_name . '-tab'] ) && in_array( $_REQUEST[$post_type_name . '-tab'], array('all', 'search') ) ) {

		$current_tab = $_REQUEST[$post_type_name . '-tab'];

	}



	if ( ! empty( $_REQUEST['quick-search-posttype-' . $post_type_name] ) ) {

		$current_tab = 'search';

	}



	$removed_args = array(

		'action',

		'customlink-tab',

		'edit-menu-item',

		'menu-item',

		'page-tab',

		'_wpnonce',

	);



	?>

	<div id="posttype-<?php echo $post_type_name; ?>" class="posttypediv">

		<ul id="posttype-<?php echo $post_type_name; ?>-tabs" class="posttype-tabs add-menu-item-tabs">

			<li <?php echo ( 'most-recent' == $current_tab ? ' class="tabs"' : '' ); ?>><a class="nav-tab-link" href="<?php if ( $nav_menu_selected_id ) echo esc_url(add_query_arg($post_type_name . '-tab', 'most-recent', remove_query_arg($removed_args))); ?>#tabs-panel-posttype-<?php echo $post_type_name; ?>-most-recent"><?php _e('Most Recent'); ?></a></li>

			<li <?php echo ( 'all' == $current_tab ? ' class="tabs"' : '' ); ?>><a class="nav-tab-link" href="<?php if ( $nav_menu_selected_id ) echo esc_url(add_query_arg($post_type_name . '-tab', 'all', remove_query_arg($removed_args))); ?>#<?php echo $post_type_name; ?>-all"><?php _e('View All'); ?></a></li>

			<li <?php echo ( 'search' == $current_tab ? ' class="tabs"' : '' ); ?>><a class="nav-tab-link" href="<?php if ( $nav_menu_selected_id ) echo esc_url(add_query_arg($post_type_name . '-tab', 'search', remove_query_arg($removed_args))); ?>#tabs-panel-posttype-<?php echo $post_type_name; ?>-search"><?php _e('Search'); ?></a></li>

		</ul>



		<div id="tabs-panel-posttype-<?php echo $post_type_name; ?>-most-recent" class="tabs-panel <?php

			echo ( 'most-recent' == $current_tab ? 'tabs-panel-active' : 'tabs-panel-inactive' );

		?>">

			<ul id="<?php echo $post_type_name; ?>checklist-most-recent" class="categorychecklist form-no-clear">

				<?php

				$recent_args = array_merge( $args, array( 'orderby' => 'post_date', 'order' => 'DESC', 'posts_per_page' => 15 ) );

				$most_recent = $get_posts->query( $recent_args );

				$args['walker'] = $walker;

				echo walk_nav_menu_tree( array_map('wp_setup_nav_menu_item', $most_recent), 0, (object) $args );

				?>

			</ul>

		</div><!-- /.tabs-panel -->



		<div class="tabs-panel <?php

			echo ( 'search' == $current_tab ? 'tabs-panel-active' : 'tabs-panel-inactive' );

		?>" id="tabs-panel-posttype-<?php echo $post_type_name; ?>-search">

			<?php

			if ( isset( $_REQUEST['quick-search-posttype-' . $post_type_name] ) ) {

				$searched = esc_attr( $_REQUEST['quick-search-posttype-' . $post_type_name] );

				$search_results = get_posts( array( 's' => $searched, 'post_type' => $post_type_name, 'fields' => 'all', 'order' => 'DESC', ) );

			} else {

				$searched = '';

				$search_results = array();

			}

			?>

			<p class="quick-search-wrap">

				<input type="text" class="quick-search input-with-default-title" title="<?php esc_attr_e('Search'); ?>" value="<?php echo $searched; ?>" name="quick-search-posttype-<?php echo $post_type_name; ?>" />

				<img class="waiting" src="<?php echo esc_url( admin_url( 'images/wpspin_light.gif' ) ); ?>" alt="" />

				<?php submit_button( __( 'Search' ), 'quick-search-submit button-secondary hide-if-js', 'submit', false, array( 'id' => 'submit-quick-search-posttype-' . $post_type_name ) ); ?>

			</p>



			<ul id="<?php echo $post_type_name; ?>-search-checklist" class="list:<?php echo $post_type_name?> categorychecklist form-no-clear">

			<?php if ( ! empty( $search_results ) && ! is_wp_error( $search_results ) ) : ?>

				<?php

				$args['walker'] = $walker;

				echo walk_nav_menu_tree( array_map('wp_setup_nav_menu_item', $search_results), 0, (object) $args );

				?>

			<?php elseif ( is_wp_error( $search_results ) ) : ?>

				<li><?php echo $search_results->get_error_message(); ?></li>

			<?php elseif ( ! empty( $searched ) ) : ?>

				<li><?php _e('No results found.'); ?></li>

			<?php endif; ?>

			</ul>

		</div><!-- /.tabs-panel -->





		<div id="<?php echo $post_type_name; ?>-all" class="tabs-panel tabs-panel-view-all <?php

			echo ( 'all' == $current_tab ? 'tabs-panel-active' : 'tabs-panel-inactive' );

		?>">

			<?php if ( ! empty( $page_links ) ) : ?>

				<div class="add-menu-item-pagelinks">

					<?php echo $page_links; ?>

				</div>

			<?php endif; ?>

			<ul id="<?php echo $post_type_name; ?>checklist" class="list:<?php echo $post_type_name?> categorychecklist form-no-clear">

				<?php

				$args['walker'] = $walker;



				// if we're dealing with pages, let's put a checkbox for the front page at the top of the list

				if ( 'page' == $post_type_name ) {

					$front_page = 'page' == get_option('show_on_front') ? (int) get_option( 'page_on_front' ) : 0;

					if ( ! empty( $front_page ) ) {

						$front_page_obj = get_post( $front_page );

						$front_page_obj->_add_to_top = true;

						$front_page_obj->label = sprintf( _x('Home: %s', 'nav menu front page title'), $front_page_obj->post_title );

						array_unshift( $posts, $front_page_obj );

					} else {

						$_nav_menu_placeholder = ( 0 > $_nav_menu_placeholder ) ? intval($_nav_menu_placeholder) - 1 : -1;

						array_unshift( $posts, (object) array(

							'_add_to_top' => true,

							'ID' => 0,

							'object_id' => $_nav_menu_placeholder,

							'post_content' => '',

							'post_excerpt' => '',

							'post_parent' => '',

							'post_title' => _x('Home', 'nav menu home label'),

							'post_type' => 'nav_menu_item',

							'type' => 'custom',

							'url' => home_url('/'),

						) );

					}

				}



				$posts = apply_filters( 'nav_menu_items_'.$post_type_name, $posts, $args, $post_type );

				$checkbox_items = walk_nav_menu_tree( array_map('wp_setup_nav_menu_item', $posts), 0, (object) $args );



				if ( 'all' == $current_tab && ! empty( $_REQUEST['selectall'] ) ) {

					$checkbox_items = preg_replace('/(type=(.)checkbox(\2))/', '$1 checked=$2checked$2', $checkbox_items);



				}



				echo $checkbox_items;

				?>

			</ul>

			<?php if ( ! empty( $page_links ) ) : ?>

				<div class="add-menu-item-pagelinks">

					<?php echo $page_links; ?>

				</div>

			<?php endif; ?>

		</div><!-- /.tabs-panel -->





		<p class="button-controls">

			<span class="list-controls">

				<a href="<?php

					echo esc_url(add_query_arg(

						array(

							$post_type_name . '-tab' => 'all',

							'selectall' => 1,

						),

						remove_query_arg($removed_args)

					));

				?>#posttype-<?php echo $post_type_name; ?>" class="select-all"><?php _e('Select All'); ?></a>

			</span>



			<span class="add-to-menu">

				<img class="waiting" src="<?php echo esc_url( admin_url( 'images/wpspin_light.gif' ) ); ?>" alt="" />

				<input type="submit"<?php disabled( $nav_menu_selected_id, 0 ); ?> class="button-secondary submit-add-to-menu" value="<?php esc_attr_e('Add to Menu'); ?>" name="add-post-type-menu-item" id="submit-posttype-<?php echo $post_type_name; ?>" />

			</span>

		</p>



	</div><!-- /.posttypediv -->

	<?php

}