<?php

/**

 * Create HTML list of nav menu input items.

 *

 * @package WordPress

 * @since 3.0.0

 * @uses Walker_Nav_Menu

 */

class Walker_Nav_Menu_Edit extends Walker_Nav_Menu {

	/**

	 * @see Walker_Nav_Menu::start_lvl()

	 * @since 3.0.0

	 *

	 * @param string $output Passed by reference.

	 */

	function start_lvl(&$output) {}

	/**

	 * @see Walker_Nav_Menu::end_lvl()

	 * @since 3.0.0

	 *

	 * @param string $output Passed by reference.

	 */

	function end_lvl(&$output) {

	}

	/**

	 * @see Walker::start_el()

	 * @since 3.0.0

	 *

	 * @param string $output Passed by reference. Used to append additional content.

	 * @param object $item Menu item data object.

	 * @param int $depth Depth of menu item. Used for padding.

	 * @param object $args

	 */

	function start_el(&$output, $item, $depth, $args) {

		global $_wp_nav_menu_max_depth;

		$_wp_nav_menu_max_depth = $depth > $_wp_nav_menu_max_depth ? $depth : $_wp_nav_menu_max_depth;

		$indent = ( $depth ) ? str_repeat( "\t", $depth ) : '';

		ob_start();

		$item_id = esc_attr( $item->ID );

		$removed_args = array(

			'action',

			'customlink-tab',

			'edit-menu-item',

			'menu-item',

			'page-tab',

			'_wpnonce',

		);

		$original_title = '';

		if ( 'taxonomy' == $item->type ) {

			$original_title = get_term_field( 'name', $item->object_id, $item->object, 'raw' );

			if ( is_wp_error( $original_title ) )

				$original_title = false;

		} elseif ( 'post_type' == $item->type ) {

			$original_object = get_post( $item->object_id );

			$original_title = $original_object->post_title;

		}

		$classes = array(

			'menu-item menu-item-depth-' . $depth,

			'menu-item-' . esc_attr( $item->object ),

			'menu-item-edit-' . ( ( isset( $_GET['edit-menu-item'] ) && $item_id == $_GET['edit-menu-item'] ) ? 'active' : 'inactive'),

		);

		$title = $item->title;

		if ( ! empty( $item->_invalid ) ) {

			$classes[] = 'menu-item-invalid';

			/* translators: %s: title of menu item which is invalid */

			$title = sprintf( __( '%s (Invalid)' ), $item->title );

		} elseif ( isset( $item->post_status ) && 'draft' == $item->post_status ) {

			$classes[] = 'pending';

			/* translators: %s: title of menu item in draft status */

			$title = sprintf( __('%s (Pending)'), $item->title );

		}

		$title = empty( $item->label ) ? $title : $item->label;

		?>

		<li id="menu-item-<?php echo $item_id; ?>" class="<?php echo implode(' ', $classes ); ?>">

			<dl class="menu-item-bar">

				<dt class="menu-item-handle">

					<span class="item-title"><?php echo esc_html( $title ); ?></span>

					<span class="item-controls">

						<span class="item-type"><?php echo esc_html( $item->type_label ); ?></span>

						<span class="item-order hide-if-js">

							<a href="<?php

								echo wp_nonce_url(

									add_query_arg(

										array(

											'action' => 'move-up-menu-item',

											'menu-item' => $item_id,

										),

										remove_query_arg($removed_args, admin_url( 'nav-menus.php' ) )

									),

									'move-menu_item'

								);

							?>" class="item-move-up"><abbr title="<?php esc_attr_e('Move up'); ?>">&#8593;</abbr></a>

							|

							<a href="<?php

								echo wp_nonce_url(

									add_query_arg(

										array(

											'action' => 'move-down-menu-item',

											'menu-item' => $item_id,

										),

										remove_query_arg($removed_args, admin_url( 'nav-menus.php' ) )

									),

									'move-menu_item'

								);

							?>" class="item-move-down"><abbr title="<?php esc_attr_e('Move down'); ?>">&#8595;</abbr></a>

						</span>

						<a class="item-edit" id="edit-<?php echo $item_id; ?>" title="<?php esc_attr_e('Edit Menu Item'); ?>" href="<?php

							echo ( isset( $_GET['edit-menu-item'] ) && $item_id == $_GET['edit-menu-item'] ) ? admin_url( 'nav-menus.php' ) : add_query_arg( 'edit-menu-item', $item_id, remove_query_arg( $removed_args, admin_url( 'nav-menus.php#menu-item-settings-' . $item_id ) ) );

						?>"><?php _e( 'Edit Menu Item' ); ?></a>

					</span>

				</dt>

			</dl>

			<div class="menu-item-settings" id="menu-item-settings-<?php echo $item_id; ?>">

				<?php if( 'custom' == $item->type ) : ?>

					<p class="field-url description description-wide">

						<label for="edit-menu-item-url-<?php echo $item_id; ?>">

							<?php _e( 'URL' ); ?><br />

							<input type="text" id="edit-menu-item-url-<?php echo $item_id; ?>" class="widefat code edit-menu-item-url" name="menu-item-url[<?php echo $item_id; ?>]" value="<?php echo esc_attr( $item->url ); ?>" />

						</label>

					</p>

				<?php endif; ?>

				<p class="description description-thin">

					<label for="edit-menu-item-title-<?php echo $item_id; ?>">

						<?php _e( 'Navigation Label' ); ?><br />

						<input type="text" id="edit-menu-item-title-<?php echo $item_id; ?>" class="widefat edit-menu-item-title" name="menu-item-title[<?php echo $item_id; ?>]" value="<?php echo esc_attr( $item->title ); ?>" />

					</label>

				</p>

				<p class="description description-thin">

					<label for="edit-menu-item-attr-title-<?php echo $item_id; ?>">

						<?php _e( 'Title Attribute' ); ?><br />

						<input type="text" id="edit-menu-item-attr-title-<?php echo $item_id; ?>" class="widefat edit-menu-item-attr-title" name="menu-item-attr-title[<?php echo $item_id; ?>]" value="<?php echo esc_attr( $item->post_excerpt ); ?>" />

					</label>

				</p>

				<p class="field-link-target description">

					<label for="edit-menu-item-target-<?php echo $item_id; ?>">

						<input type="checkbox" id="edit-menu-item-target-<?php echo $item_id; ?>" value="_blank" name="menu-item-target[<?php echo $item_id; ?>]"<?php checked( $item->target, '_blank' ); ?> />

						<?php _e( 'Open link in a new window/tab' ); ?>

					</label>

				</p>

				<p class="field-css-classes description description-thin">

					<label for="edit-menu-item-classes-<?php echo $item_id; ?>">

						<?php _e( 'CSS Classes (optional)' ); ?><br />

						<input type="text" id="edit-menu-item-classes-<?php echo $item_id; ?>" class="widefat code edit-menu-item-classes" name="menu-item-classes[<?php echo $item_id; ?>]" value="<?php echo esc_attr( implode(' ', $item->classes ) ); ?>" />

					</label>

				</p>

				<p class="field-xfn description description-thin">

					<label for="edit-menu-item-xfn-<?php echo $item_id; ?>">

						<?php _e( 'Link Relationship (XFN)' ); ?><br />

						<input type="text" id="edit-menu-item-xfn-<?php echo $item_id; ?>" class="widefat code edit-menu-item-xfn" name="menu-item-xfn[<?php echo $item_id; ?>]" value="<?php echo esc_attr( $item->xfn ); ?>" />

					</label>

				</p>

				<p class="field-description description description-wide">

					<label for="edit-menu-item-description-<?php echo $item_id; ?>">

						<?php _e( 'Description' ); ?><br />

						<textarea id="edit-menu-item-description-<?php echo $item_id; ?>" class="widefat edit-menu-item-description" rows="3" cols="20" name="menu-item-description[<?php echo $item_id; ?>]"><?php echo esc_html( $item->description ); // textarea_escaped ?></textarea>

						<span class="description"><?php _e('The description will be displayed in the menu if the current theme supports it.'); ?></span>

					</label>

				</p>

				<div class="menu-item-actions description-wide submitbox">

					<?php if( 'custom' != $item->type && $original_title !== false ) : ?>

						<p class="link-to-original">

							<?php printf( __('Original: %s'), '<a href="' . esc_attr( $item->url ) . '">' . esc_html( $original_title ) . '</a>' ); ?>

						</p>

					<?php endif; ?>

					<a class="item-delete submitdelete deletion" id="delete-<?php echo $item_id; ?>" href="<?php

					echo wp_nonce_url(

						add_query_arg(

							array(

								'action' => 'delete-menu-item',

								'menu-item' => $item_id,

							),

							remove_query_arg($removed_args, admin_url( 'nav-menus.php' ) )

						),

						'delete-menu_item_' . $item_id

					); ?>"><?php _e('Remove'); ?></a> <span class="meta-sep"> | </span> <a class="item-cancel submitcancel" id="cancel-<?php echo $item_id; ?>" href="<?php	echo esc_url( add_query_arg( array('edit-menu-item' => $item_id, 'cancel' => time()), remove_query_arg( $removed_args, admin_url( 'nav-menus.php' ) ) ) );

						?>#menu-item-settings-<?php echo $item_id; ?>"><?php _e('Cancel'); ?></a>

				</div>

				<input class="menu-item-data-db-id" type="hidden" name="menu-item-db-id[<?php echo $item_id; ?>]" value="<?php echo $item_id; ?>" />

				<input class="menu-item-data-object-id" type="hidden" name="menu-item-object-id[<?php echo $item_id; ?>]" value="<?php echo esc_attr( $item->object_id ); ?>" />

				<input class="menu-item-data-object" type="hidden" name="menu-item-object[<?php echo $item_id; ?>]" value="<?php echo esc_attr( $item->object ); ?>" />

				<input class="menu-item-data-parent-id" type="hidden" name="menu-item-parent-id[<?php echo $item_id; ?>]" value="<?php echo esc_attr( $item->menu_item_parent ); ?>" />

				<input class="menu-item-data-position" type="hidden" name="menu-item-position[<?php echo $item_id; ?>]" value="<?php echo esc_attr( $item->menu_order ); ?>" />

				<input class="menu-item-data-type" type="hidden" name="menu-item-type[<?php echo $item_id; ?>]" value="<?php echo esc_attr( $item->type ); ?>" />

			</div><!-- .menu-item-settings-->

			<ul class="menu-item-transport"></ul>

		<?php

		$output .= ob_get_clean();

	}

}

/**

 * Create HTML list of nav menu input items.

 *

 * @package WordPress

 * @since 3.0.0

 * @uses Walker_Nav_Menu

 */

class Walker_Nav_Menu_Checklist extends Walker_Nav_Menu {

	function __construct( $fields = false ) {

		if ( $fields ) {

			$this->db_fields = $fields;

		}

	}

	function start_lvl( &$output, $depth ) {

		$indent = str_repeat( "\t", $depth );

		$output .= "\n$indent<ul class='children'>\n";

	}

	function end_lvl( &$output, $depth ) {

		$indent = str_repeat( "\t", $depth );

		$output .= "\n$indent</ul>";

	}

	/**

	 * @see Walker::start_el()

	 * @since 3.0.0

	 *

	 * @param string $output Passed by reference. Used to append additional content.

	 * @param object $item Menu item data object.

	 * @param int $depth Depth of menu item. Used for padding.

	 * @param object $args

	 */

	function start_el(&$output, $item, $depth, $args) {

		global $_nav_menu_placeholder;

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

		$possible_object_id = isset( $item->post_type ) && 'nav_menu_item' == $item->post_type ? $item->object_id : $_nav_menu_placeholder;

		$possible_db_id = ( ! empty( $item->ID ) ) && ( 0 < $possible_object_id ) ? (int) $item->ID : 0;

		$indent = ( $depth ) ? str_repeat( "\t", $depth ) : '';

		$output .= $indent . '<li>';

		$output .= '<label class="menu-item-title">';

		$output .= '<input type="checkbox" class="menu-item-checkbox';

		if ( ! empty( $item->_add_to_top ) ) {

			$output .= ' add-to-top';

		}

		$output .= '" name="menu-item[' . $possible_object_id . '][menu-item-object-id]" value="'. esc_attr( $item->object_id ) .'" /> ';

		$output .= empty( $item->label ) ? esc_html( $item->title ) : esc_html( $item->label );

		$output .= '</label>';

		// Menu item hidden fields

		$output .= '<input type="hidden" class="menu-item-db-id" name="menu-item[' . $possible_object_id . '][menu-item-db-id]" value="' . $possible_db_id . '" />';

		$output .= '<input type="hidden" class="menu-item-object" name="menu-item[' . $possible_object_id . '][menu-item-object]" value="'. esc_attr( $item->object ) .'" />';

		$output .= '<input type="hidden" class="menu-item-parent-id" name="menu-item[' . $possible_object_id . '][menu-item-parent-id]" value="'. esc_attr( $item->menu_item_parent ) .'" />';

		$output .= '<input type="hidden" class="menu-item-type" name="menu-item[' . $possible_object_id . '][menu-item-type]" value="'. esc_attr( $item->type ) .'" />';

		$output .= '<input type="hidden" class="menu-item-title" name="menu-item[' . $possible_object_id . '][menu-item-title]" value="'. esc_attr( $item->title ) .'" />';

		$output .= '<input type="hidden" class="menu-item-url" name="menu-item[' . $possible_object_id . '][menu-item-url]" value="'. esc_attr( $item->url ) .'" />';

		$output .= '<input type="hidden" class="menu-item-target" name="menu-item[' . $possible_object_id . '][menu-item-target]" value="'. esc_attr( $item->target ) .'" />';

		$output .= '<input type="hidden" class="menu-item-attr_title" name="menu-item[' . $possible_object_id . '][menu-item-attr_title]" value="'. esc_attr( $item->attr_title ) .'" />';

		$output .= '<input type="hidden" class="menu-item-classes" name="menu-item[' . $possible_object_id . '][menu-item-classes]" value="'. esc_attr( implode( ' ', $item->classes ) ) .'" />';

		$output .= '<input type="hidden" class="menu-item-xfn" name="menu-item[' . $possible_object_id . '][menu-item-xfn]" value="'. esc_attr( $item->xfn ) .'" />';

	}

}

/**

 * Prints the appropriate response to a menu quick search.

 *

 * @since 3.0.0

 *

 * @param array $request The unsanitized request values.

 */

function _wp_ajax_menu_quick_search( $request = array() ) {

	$args = array();

	$type = isset( $request['type'] ) ? $request['type'] : '';

	$object_type = isset( $request['object_type'] ) ? $request['object_type'] : '';

	$query = isset( $request['q'] ) ? $request['q'] : '';

	$response_format = isset( $request['response-format'] ) && in_array( $request['response-format'], array( 'json', 'markup' ) ) ? $request['response-format'] : 'json';

	if ( 'markup' == $response_format ) {

		$args['walker'] = new Walker_Nav_Menu_Checklist;

	}

	if ( 'get-post-item' == $type ) {

		if ( post_type_exists( $object_type ) ) {

			if ( isset( $request['ID'] ) ) {

				$object_id = (int) $request['ID'];

				if ( 'markup' == $response_format ) {

					echo walk_nav_menu_tree( array_map('wp_setup_nav_menu_item', array( get_post( $object_id ) ) ), 0, (object) $args );

				} elseif ( 'json' == $response_format ) {

					$post_obj = get_post( $object_id );

					echo json_encode(

						array(

							'ID' => $object_id,

							'post_title' => get_the_title( $object_id ),

							'post_type' => get_post_type( $object_id ),

						)

					);

					echo "\n";

				}

			}

		} elseif ( taxonomy_exists( $object_type ) ) {

			if ( isset( $request['ID'] ) ) {

				$object_id = (int) $request['ID'];

				if ( 'markup' == $response_format ) {

					echo walk_nav_menu_tree( array_map('wp_setup_nav_menu_item', array( get_term( $object_id, $object_type ) ) ), 0, (object) $args );

				} elseif ( 'json' == $response_format ) {

					$post_obj = get_term( $object_id, $object_type );

					echo json_encode(

						array(

							'ID' => $object_id,

							'post_title' => $post_obj->name,

							'post_type' => $object_type,

						)

					);

					echo "\n";

				}

			}

		}

	} elseif ( preg_match('/quick-search-(posttype|taxonomy)-([a-zA-Z_-]*\b)/', $type, $matches) ) {

		if ( 'posttype' == $matches[1] && get_post_type_object( $matches[2] ) ) {

			query_posts(array(

				'posts_per_page' => 10,

				'post_type' => $matches[2],

				's' => $query,

			));

			if ( ! have_posts() )

				return;

			while ( have_posts() ) {

				the_post();

				if ( 'markup' == $response_format ) {

					$var_by_ref = get_the_ID();

					echo walk_nav_menu_tree( array_map('wp_setup_nav_menu_item', array( get_post( $var_by_ref ) ) ), 0, (object) $args );

				} elseif ( 'json' == $response_format ) {

					echo json_encode(

						array(

							'ID' => get_the_ID(),

							'post_title' => get_the_title(),

							'post_type' => get_post_type(),

						)

					);

					echo "\n";

				}

			}

		} elseif ( 'taxonomy' == $matches[1] ) {

			$terms = get_terms( $matches[2], array(

				'name__like' => $query,

				'number' => 10,

			));

			if ( empty( $terms ) || is_wp_error( $terms ) )

				return;

			foreach( (array) $terms as $term ) {

				if ( 'markup' == $response_format ) {

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

				} elseif ( 'json' == $response_format ) {

					echo json_encode(

						array(

							'ID' => $term->term_id,

							'post_title' => $term->name,

							'post_type' => $matches[2],

						)

					);

					echo "\n";

				}

			}

		}

	}

}

/**

 * Register nav menu metaboxes and advanced menu items

 *

 * @since 3.0.0

 **/

function wp_nav_menu_setup() {

	// Register meta boxes

	if ( wp_get_nav_menus() )

		add_meta_box( 'nav-menu-theme-locations', __( 'Theme Locations' ), 'wp_nav_menu_locations_meta_box' , 'nav-menus', 'side', 'default' );