3 * Navigation Menu API: Walker_Nav_Menu_Checklist class
6 * @subpackage Administration
11 * Create HTML list of nav menu input items.
14 * @uses Walker_Nav_Menu
16 class Walker_Nav_Menu_Checklist extends Walker_Nav_Menu {
19 * @param array $fields
21 public function __construct( $fields = false ) {
23 $this->db_fields = $fields;
28 * Starts the list before the elements are added.
30 * @see Walker_Nav_Menu::start_lvl()
34 * @param string $output Passed by reference. Used to append additional content.
35 * @param int $depth Depth of page. Used for padding.
36 * @param array $args Not used.
38 public function start_lvl( &$output, $depth = 0, $args = array() ) {
39 $indent = str_repeat( "\t", $depth );
40 $output .= "\n$indent<ul class='children'>\n";
44 * Ends the list of after the elements are added.
46 * @see Walker_Nav_Menu::end_lvl()
50 * @param string $output Passed by reference. Used to append additional content.
51 * @param int $depth Depth of page. Used for padding.
52 * @param array $args Not used.
54 public function end_lvl( &$output, $depth = 0, $args = array() ) {
55 $indent = str_repeat( "\t", $depth );
56 $output .= "\n$indent</ul>";
60 * Start the element output.
62 * @see Walker_Nav_Menu::start_el()
66 * @global int $_nav_menu_placeholder
68 * @param string $output Passed by reference. Used to append additional content.
69 * @param object $item Menu item data object.
70 * @param int $depth Depth of menu item. Used for padding.
71 * @param array $args Not used.
72 * @param int $id Not used.
74 public function start_el( &$output, $item, $depth = 0, $args = array(), $id = 0 ) {
75 global $_nav_menu_placeholder;
77 $_nav_menu_placeholder = ( 0 > $_nav_menu_placeholder ) ? intval($_nav_menu_placeholder) - 1 : -1;
78 $possible_object_id = isset( $item->post_type ) && 'nav_menu_item' == $item->post_type ? $item->object_id : $_nav_menu_placeholder;
79 $possible_db_id = ( ! empty( $item->ID ) ) && ( 0 < $possible_object_id ) ? (int) $item->ID : 0;
81 $indent = ( $depth ) ? str_repeat( "\t", $depth ) : '';
83 $output .= $indent . '<li>';
84 $output .= '<label class="menu-item-title">';
85 $output .= '<input type="checkbox" class="menu-item-checkbox';
87 if ( ! empty( $item->front_or_home ) )
88 $output .= ' add-to-top';
90 $output .= '" name="menu-item[' . $possible_object_id . '][menu-item-object-id]" value="'. esc_attr( $item->object_id ) .'" /> ';
92 if ( ! empty( $item->label ) ) {
93 $title = $item->label;
94 } elseif ( isset( $item->post_type ) ) {
95 /** This filter is documented in wp-includes/post-template.php */
96 $title = apply_filters( 'the_title', $item->post_title, $item->ID );
97 if ( ! empty( $item->front_or_home ) && _x( 'Home', 'nav menu home label' ) !== $title )
98 $title = sprintf( _x( 'Home: %s', 'nav menu front page title' ), $title );
101 $output .= isset( $title ) ? esc_html( $title ) : esc_html( $item->title );
102 $output .= '</label>';
104 // Menu item hidden fields
105 $output .= '<input type="hidden" class="menu-item-db-id" name="menu-item[' . $possible_object_id . '][menu-item-db-id]" value="' . $possible_db_id . '" />';
106 $output .= '<input type="hidden" class="menu-item-object" name="menu-item[' . $possible_object_id . '][menu-item-object]" value="'. esc_attr( $item->object ) .'" />';
107 $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 ) .'" />';
108 $output .= '<input type="hidden" class="menu-item-type" name="menu-item[' . $possible_object_id . '][menu-item-type]" value="'. esc_attr( $item->type ) .'" />';
109 $output .= '<input type="hidden" class="menu-item-title" name="menu-item[' . $possible_object_id . '][menu-item-title]" value="'. esc_attr( $item->title ) .'" />';
110 $output .= '<input type="hidden" class="menu-item-url" name="menu-item[' . $possible_object_id . '][menu-item-url]" value="'. esc_attr( $item->url ) .'" />';
111 $output .= '<input type="hidden" class="menu-item-target" name="menu-item[' . $possible_object_id . '][menu-item-target]" value="'. esc_attr( $item->target ) .'" />';
112 $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 ) .'" />';
113 $output .= '<input type="hidden" class="menu-item-classes" name="menu-item[' . $possible_object_id . '][menu-item-classes]" value="'. esc_attr( implode( ' ', $item->classes ) ) .'" />';
114 $output .= '<input type="hidden" class="menu-item-xfn" name="menu-item[' . $possible_object_id . '][menu-item-xfn]" value="'. esc_attr( $item->xfn ) .'" />';
117 } // Walker_Nav_Menu_Checklist