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/wp-admin/includes/ -> nav-menu.php (source)

   1  <?php
   2  
   3  /**
   4   * Create HTML list of nav menu input items.
   5   *
   6   * @package WordPress
   7   * @since 3.0.0
   8   * @uses Walker_Nav_Menu
   9   */
  10  class Walker_Nav_Menu_Edit extends Walker_Nav_Menu {
  11      /**
  12       * @see Walker_Nav_Menu::start_lvl()
  13       * @since 3.0.0
  14       *
  15       * @param string $output Passed by reference.
  16       */
  17  	function start_lvl(&$output) {}
  18  
  19      /**
  20       * @see Walker_Nav_Menu::end_lvl()
  21       * @since 3.0.0
  22       *
  23       * @param string $output Passed by reference.
  24       */
  25  	function end_lvl(&$output) {
  26      }
  27  
  28      /**
  29       * @see Walker::start_el()
  30       * @since 3.0.0
  31       *
  32       * @param string $output Passed by reference. Used to append additional content.
  33       * @param object $item Menu item data object.
  34       * @param int $depth Depth of menu item. Used for padding.
  35       * @param object $args
  36       */
  37  	function start_el(&$output, $item, $depth, $args) {
  38          global $_wp_nav_menu_max_depth;
  39          $_wp_nav_menu_max_depth = $depth > $_wp_nav_menu_max_depth ? $depth : $_wp_nav_menu_max_depth;
  40  
  41          $indent = ( $depth ) ? str_repeat( "\t", $depth ) : '';
  42  
  43          ob_start();
  44          $item_id = esc_attr( $item->ID );
  45          $removed_args = array(
  46              'action',
  47              'customlink-tab',
  48              'edit-menu-item',
  49              'menu-item',
  50              'page-tab',
  51              '_wpnonce',
  52          );
  53  
  54          $original_title = '';
  55          if ( 'taxonomy' == $item->type ) {
  56              $original_title = get_term_field( 'name', $item->object_id, $item->object, 'raw' );
  57              if ( is_wp_error( $original_title ) )
  58                  $original_title = false;
  59          } elseif ( 'post_type' == $item->type ) {
  60              $original_object = get_post( $item->object_id );
  61              $original_title = $original_object->post_title;
  62          }
  63  
  64          $classes = array(
  65              'menu-item menu-item-depth-' . $depth,
  66              'menu-item-' . esc_attr( $item->object ),
  67              'menu-item-edit-' . ( ( isset( $_GET['edit-menu-item'] ) && $item_id == $_GET['edit-menu-item'] ) ? 'active' : 'inactive'),
  68          );
  69  
  70          $title = $item->title;
  71  
  72          if ( ! empty( $item->_invalid ) ) {
  73              $classes[] = 'menu-item-invalid';
  74              /* translators: %s: title of menu item which is invalid */
  75              $title = sprintf( __( '%s (Invalid)' ), $item->title );
  76          } elseif ( isset( $item->post_status ) && 'draft' == $item->post_status ) {
  77              $classes[] = 'pending';
  78              /* translators: %s: title of menu item in draft status */
  79              $title = sprintf( __('%s (Pending)'), $item->title );
  80          }
  81  
  82          $title = empty( $item->label ) ? $title : $item->label;
  83  
  84          ?>
  85          <li id="menu-item-<?php echo $item_id; ?>" class="<?php echo implode(' ', $classes ); ?>">
  86              <dl class="menu-item-bar">
  87                  <dt class="menu-item-handle">
  88                      <span class="item-title"><?php echo esc_html( $title ); ?></span>
  89                      <span class="item-controls">
  90                          <span class="item-type"><?php echo esc_html( $item->type_label ); ?></span>
  91                          <span class="item-order hide-if-js">
  92                              <a href="<?php
  93                                  echo wp_nonce_url(
  94                                      add_query_arg(
  95                                          array(
  96                                              'action' => 'move-up-menu-item',
  97                                              'menu-item' => $item_id,
  98                                          ),
  99                                          remove_query_arg($removed_args, admin_url( 'nav-menus.php' ) )
 100                                      ),
 101                                      'move-menu_item'
 102                                  );
 103                              ?>" class="item-move-up"><abbr title="<?php esc_attr_e('Move up'); ?>">&#8593;</abbr></a>
 104                              |
 105                              <a href="<?php
 106                                  echo wp_nonce_url(
 107                                      add_query_arg(
 108                                          array(
 109                                              'action' => 'move-down-menu-item',
 110                                              'menu-item' => $item_id,
 111                                          ),
 112                                          remove_query_arg($removed_args, admin_url( 'nav-menus.php' ) )
 113                                      ),
 114                                      'move-menu_item'
 115                                  );
 116                              ?>" class="item-move-down"><abbr title="<?php esc_attr_e('Move down'); ?>">&#8595;</abbr></a>
 117                          </span>
 118                          <a class="item-edit" id="edit-<?php echo $item_id; ?>" title="<?php esc_attr_e('Edit Menu Item'); ?>" href="<?php
 119                              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 ) ) );
 120                          ?>"><?php _e( 'Edit Menu Item' ); ?></a>
 121                      </span>
 122                  </dt>
 123              </dl>
 124  
 125              <div class="menu-item-settings" id="menu-item-settings-<?php echo $item_id; ?>">
 126                  <?php if( 'custom' == $item->type ) : ?>
 127                      <p class="field-url description description-wide">
 128                          <label for="edit-menu-item-url-<?php echo $item_id; ?>">
 129                              <?php _e( 'URL' ); ?><br />
 130                              <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 ); ?>" />
 131                          </label>
 132                      </p>
 133                  <?php endif; ?>
 134                  <p class="description description-thin">
 135                      <label for="edit-menu-item-title-<?php echo $item_id; ?>">
 136                          <?php _e( 'Navigation Label' ); ?><br />
 137                          <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 ); ?>" />
 138                      </label>
 139                  </p>
 140                  <p class="description description-thin">
 141                      <label for="edit-menu-item-attr-title-<?php echo $item_id; ?>">
 142                          <?php _e( 'Title Attribute' ); ?><br />
 143                          <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 ); ?>" />
 144                      </label>
 145                  </p>
 146                  <p class="field-link-target description">
 147                      <label for="edit-menu-item-target-<?php echo $item_id; ?>">
 148                          <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' ); ?> />
 149                          <?php _e( 'Open link in a new window/tab' ); ?>
 150                      </label>
 151                  </p>
 152                  <p class="field-css-classes description description-thin">
 153                      <label for="edit-menu-item-classes-<?php echo $item_id; ?>">
 154                          <?php _e( 'CSS Classes (optional)' ); ?><br />
 155                          <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 ) ); ?>" />
 156                      </label>
 157                  </p>
 158                  <p class="field-xfn description description-thin">
 159                      <label for="edit-menu-item-xfn-<?php echo $item_id; ?>">
 160                          <?php _e( 'Link Relationship (XFN)' ); ?><br />
 161                          <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 ); ?>" />
 162                      </label>
 163                  </p>
 164                  <p class="field-description description description-wide">
 165                      <label for="edit-menu-item-description-<?php echo $item_id; ?>">
 166                          <?php _e( 'Description' ); ?><br />
 167                          <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>
 168                          <span class="description"><?php _e('The description will be displayed in the menu if the current theme supports it.'); ?></span>
 169                      </label>
 170                  </p>
 171  
 172                  <div class="menu-item-actions description-wide submitbox">
 173                      <?php if( 'custom' != $item->type && $original_title !== false ) : ?>
 174                          <p class="link-to-original">
 175                              <?php printf( __('Original: %s'), '<a href="' . esc_attr( $item->url ) . '">' . esc_html( $original_title ) . '</a>' ); ?>
 176                          </p>
 177                      <?php endif; ?>
 178                      <a class="item-delete submitdelete deletion" id="delete-<?php echo $item_id; ?>" href="<?php
 179                      echo wp_nonce_url(
 180                          add_query_arg(
 181                              array(
 182                                  'action' => 'delete-menu-item',
 183                                  'menu-item' => $item_id,
 184                              ),
 185                              remove_query_arg($removed_args, admin_url( 'nav-menus.php' ) )
 186                          ),
 187                          'delete-menu_item_' . $item_id
 188                      ); ?>"><?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' ) ) ) );
 189                          ?>#menu-item-settings-<?php echo $item_id; ?>"><?php _e('Cancel'); ?></a>
 190                  </div>
 191  
 192                  <input class="menu-item-data-db-id" type="hidden" name="menu-item-db-id[<?php echo $item_id; ?>]" value="<?php echo $item_id; ?>" />
 193                  <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 ); ?>" />
 194                  <input class="menu-item-data-object" type="hidden" name="menu-item-object[<?php echo $item_id; ?>]" value="<?php echo esc_attr( $item->object ); ?>" />
 195                  <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 ); ?>" />
 196                  <input class="menu-item-data-position" type="hidden" name="menu-item-position[<?php echo $item_id; ?>]" value="<?php echo esc_attr( $item->menu_order ); ?>" />
 197                  <input class="menu-item-data-type" type="hidden" name="menu-item-type[<?php echo $item_id; ?>]" value="<?php echo esc_attr( $item->type ); ?>" />
 198              </div><!-- .menu-item-settings-->
 199              <ul class="menu-item-transport"></ul>
 200          <?php
 201          $output .= ob_get_clean();
 202      }
 203  }
 204  
 205  /**
 206   * Create HTML list of nav menu input items.
 207   *
 208   * @package WordPress
 209   * @since 3.0.0
 210   * @uses Walker_Nav_Menu
 211   */
 212  class Walker_Nav_Menu_Checklist extends Walker_Nav_Menu {
 213  	function __construct( $fields = false ) {
 214          if ( $fields ) {
 215              $this->db_fields = $fields;
 216          }
 217      }
 218  
 219  	function start_lvl( &$output, $depth ) {
 220          $indent = str_repeat( "\t", $depth );
 221          $output .= "\n$indent<ul class='children'>\n";
 222      }
 223  
 224  	function end_lvl( &$output, $depth ) {
 225          $indent = str_repeat( "\t", $depth );
 226          $output .= "\n$indent</ul>";
 227      }
 228  
 229      /**
 230       * @see Walker::start_el()
 231       * @since 3.0.0
 232       *
 233       * @param string $output Passed by reference. Used to append additional content.
 234       * @param object $item Menu item data object.
 235       * @param int $depth Depth of menu item. Used for padding.
 236       * @param object $args
 237       */
 238  	function start_el(&$output, $item, $depth, $args) {
 239          global $_nav_menu_placeholder;
 240  
 241          $_nav_menu_placeholder = ( 0 > $_nav_menu_placeholder ) ? intval($_nav_menu_placeholder) - 1 : -1;
 242          $possible_object_id = isset( $item->post_type ) && 'nav_menu_item' == $item->post_type ? $item->object_id : $_nav_menu_placeholder;
 243          $possible_db_id = ( ! empty( $item->ID ) ) && ( 0 < $possible_object_id ) ? (int) $item->ID : 0;
 244  
 245          $indent = ( $depth ) ? str_repeat( "\t", $depth ) : '';
 246  
 247          $output .= $indent . '<li>';
 248          $output .= '<label class="menu-item-title">';
 249          $output .= '<input type="checkbox" class="menu-item-checkbox';
 250          if ( ! empty( $item->_add_to_top ) ) {
 251              $output .= ' add-to-top';
 252          }
 253          $output .= '" name="menu-item[' . $possible_object_id . '][menu-item-object-id]" value="'. esc_attr( $item->object_id ) .'" /> ';
 254          $output .= empty( $item->label ) ? esc_html( $item->title ) : esc_html( $item->label );
 255          $output .= '</label>';
 256  
 257          // Menu item hidden fields
 258          $output .= '<input type="hidden" class="menu-item-db-id" name="menu-item[' . $possible_object_id . '][menu-item-db-id]" value="' . $possible_db_id . '" />';
 259          $output .= '<input type="hidden" class="menu-item-object" name="menu-item[' . $possible_object_id . '][menu-item-object]" value="'. esc_attr( $item->object ) .'" />';
 260          $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 ) .'" />';
 261          $output .= '<input type="hidden" class="menu-item-type" name="menu-item[' . $possible_object_id . '][menu-item-type]" value="'. esc_attr( $item->type ) .'" />';
 262          $output .= '<input type="hidden" class="menu-item-title" name="menu-item[' . $possible_object_id . '][menu-item-title]" value="'. esc_attr( $item->title ) .'" />';
 263          $output .= '<input type="hidden" class="menu-item-url" name="menu-item[' . $possible_object_id . '][menu-item-url]" value="'. esc_attr( $item->url ) .'" />';
 264          $output .= '<input type="hidden" class="menu-item-target" name="menu-item[' . $possible_object_id . '][menu-item-target]" value="'. esc_attr( $item->target ) .'" />';
 265          $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 ) .'" />';
 266          $output .= '<input type="hidden" class="menu-item-classes" name="menu-item[' . $possible_object_id . '][menu-item-classes]" value="'. esc_attr( implode( ' ', $item->classes ) ) .'" />';
 267          $output .= '<input type="hidden" class="menu-item-xfn" name="menu-item[' . $possible_object_id . '][menu-item-xfn]" value="'. esc_attr( $item->xfn ) .'" />';
 268      }
 269  }
 270  
 271  /**
 272   * Prints the appropriate response to a menu quick search.
 273   *
 274   * @since 3.0.0
 275   *
 276   * @param array $request The unsanitized request values.
 277   */
 278  function _wp_ajax_menu_quick_search( $request = array() ) {
 279      $args = array();
 280      $type = isset( $request['type'] ) ? $request['type'] : '';
 281      $object_type = isset( $request['object_type'] ) ? $request['object_type'] : '';
 282      $query = isset( $request['q'] ) ? $request['q'] : '';
 283      $response_format = isset( $request['response-format'] ) && in_array( $request['response-format'], array( 'json', 'markup' ) ) ? $request['response-format'] : 'json';
 284  
 285      if ( 'markup' == $response_format ) {
 286          $args['walker'] = new Walker_Nav_Menu_Checklist;
 287      }
 288  
 289      if ( 'get-post-item' == $type ) {
 290          if ( post_type_exists( $object_type ) ) {
 291              if ( isset( $request['ID'] ) ) {
 292                  $object_id = (int) $request['ID'];
 293                  if ( 'markup' == $response_format ) {
 294                      echo walk_nav_menu_tree( array_map('wp_setup_nav_menu_item', array( get_post( $object_id ) ) ), 0, (object) $args );
 295                  } elseif ( 'json' == $response_format ) {
 296                      $post_obj = get_post( $object_id );
 297                      echo json_encode(
 298                          array(
 299                              'ID' => $object_id,
 300                              'post_title' => get_the_title( $object_id ),
 301                              'post_type' => get_post_type( $object_id ),
 302                          )
 303                      );
 304                      echo "\n";
 305                  }
 306              }
 307          } elseif ( taxonomy_exists( $object_type ) ) {
 308              if ( isset( $request['ID'] ) ) {
 309                  $object_id = (int) $request['ID'];
 310                  if ( 'markup' == $response_format ) {
 311                      echo walk_nav_menu_tree( array_map('wp_setup_nav_menu_item', array( get_term( $object_id, $object_type ) ) ), 0, (object) $args );
 312                  } elseif ( 'json' == $response_format ) {
 313                      $post_obj = get_term( $object_id, $object_type );
 314                      echo json_encode(
 315                          array(
 316                              'ID' => $object_id,
 317                              'post_title' => $post_obj->name,
 318                              'post_type' => $object_type,
 319                          )
 320                      );
 321                      echo "\n";
 322                  }
 323              }
 324  
 325          }
 326  
 327      } elseif ( preg_match('/quick-search-(posttype|taxonomy)-([a-zA-Z_-]*\b)/', $type, $matches) ) {
 328          if ( 'posttype' == $matches[1] && get_post_type_object( $matches[2] ) ) {
 329              query_posts(array(
 330                  'posts_per_page' => 10,
 331                  'post_type' => $matches[2],
 332                  's' => $query,
 333              ));
 334              if ( ! have_posts() )
 335                  return;
 336              while ( have_posts() ) {
 337                  the_post();
 338                  if ( 'markup' == $response_format ) {
 339                      $var_by_ref = get_the_ID();
 340                      echo walk_nav_menu_tree( array_map('wp_setup_nav_menu_item', array( get_post( $var_by_ref ) ) ), 0, (object) $args );
 341                  } elseif ( 'json' == $response_format ) {
 342                      echo json_encode(
 343                          array(
 344                              'ID' => get_the_ID(),
 345                              'post_title' => get_the_title(),
 346                              'post_type' => get_post_type(),
 347                          )
 348                      );
 349                      echo "\n";
 350                  }
 351              }
 352          } elseif ( 'taxonomy' == $matches[1] ) {
 353              $terms = get_terms( $matches[2], array(
 354                  'name__like' => $query,
 355                  'number' => 10,
 356              ));
 357              if ( empty( $terms ) || is_wp_error( $terms ) )
 358                  return;
 359              foreach( (array) $terms as $term ) {
 360                  if ( 'markup' == $response_format ) {
 361                      echo walk_nav_menu_tree( array_map('wp_setup_nav_menu_item', array( $term ) ), 0, (object) $args );
 362                  } elseif ( 'json' == $response_format ) {
 363                      echo json_encode(
 364                          array(
 365                              'ID' => $term->term_id,
 366                              'post_title' => $term->name,
 367                              'post_type' => $matches[2],
 368                          )
 369                      );
 370                      echo "\n";
 371                  }
 372              }
 373          }
 374      }
 375  }
 376  
 377  /**
 378   * Register nav menu metaboxes and advanced menu items
 379   *
 380   * @since 3.0.0
 381   **/
 382  function wp_nav_menu_setup() {
 383      // Register meta boxes
 384      if ( wp_get_nav_menus() )
 385          add_meta_box( 'nav-menu-theme-locations', __( 'Theme Locations' ), 'wp_nav_menu_locations_meta_box' , 'nav-menus', 'side', 'default' );
 386      add_meta_box( 'add-custom-links', __('Custom Links'), 'wp_nav_menu_item_link_meta_box', 'nav-menus', 'side', 'default' );
 387      wp_nav_menu_post_type_meta_boxes();
 388      wp_nav_menu_taxonomy_meta_boxes();
 389  
 390      // Register advanced menu items (columns)
 391      add_filter( 'manage_nav-menus_columns', 'wp_nav_menu_manage_columns');
 392  
 393      // If first time editing, disable advanced items by default.
 394      if( false === get_user_option( 'managenav-menuscolumnshidden' ) ) {
 395          $user = wp_get_current_user();
 396          update_user_option($user->ID, 'managenav-menuscolumnshidden',
 397              array( 0 => 'link-target', 1 => 'css-classes', 2 => 'xfn', 3 => 'description', ),
 398              true);
 399      }
 400  }
 401  
 402  /**
 403   * Limit the amount of meta boxes to just links, pages and cats for first time users.
 404   *
 405   * @since 3.0.0
 406   **/
 407  function wp_initial_nav_menu_meta_boxes() {
 408      global $wp_meta_boxes;
 409  
 410      if ( get_user_option( 'metaboxhidden_nav-menus' ) !== false || ! is_array($wp_meta_boxes) )
 411          return;
 412  
 413      $initial_meta_boxes = array( 'nav-menu-theme-locations', 'add-custom-links', 'add-page', 'add-category' );
 414      $hidden_meta_boxes = array();
 415  
 416      foreach ( array_keys($wp_meta_boxes['nav-menus']) as $context ) {
 417          foreach ( array_keys($wp_meta_boxes['nav-menus'][$context]) as $priority ) {
 418              foreach ( $wp_meta_boxes['nav-menus'][$context][$priority] as $box ) {
 419                  if ( in_array( $box['id'], $initial_meta_boxes ) ) {
 420                      unset( $box['id'] );
 421                  } else {
 422                      $hidden_meta_boxes[] = $box['id'];
 423                  }
 424              }
 425          }
 426      }
 427  
 428      $user = wp_get_current_user();
 429      update_user_option( $user->ID, 'metaboxhidden_nav-menus', $hidden_meta_boxes, true );
 430  }
 431  
 432  /**
 433   * Creates metaboxes for any post type menu item.
 434   *
 435   * @since 3.0.0
 436   */
 437  function wp_nav_menu_post_type_meta_boxes() {
 438      $post_types = get_post_types( array( 'show_in_nav_menus' => true ), 'object' );
 439  
 440      if ( ! $post_types )
 441          return;
 442  
 443      foreach ( $post_types as $post_type ) {
 444          $post_type = apply_filters( 'nav_menu_meta_box_object', $post_type );
 445          if ( $post_type ) {
 446              $id = $post_type->name;
 447              add_meta_box( "add-{$id}", $post_type->labels->name, 'wp_nav_menu_item_post_type_meta_box', 'nav-menus', 'side', 'default', $post_type );
 448          }
 449      }
 450  }
 451  
 452  /**
 453   * Creates metaboxes for any taxonomy menu item.
 454   *
 455   * @since 3.0.0
 456   */
 457  function wp_nav_menu_taxonomy_meta_boxes() {
 458      $taxonomies = get_taxonomies( array( 'show_in_nav_menus' => true ), 'object' );
 459  
 460      if ( !$taxonomies )
 461          return;
 462  
 463      foreach ( $taxonomies as $tax ) {
 464          $tax = apply_filters( 'nav_menu_meta_box_object', $tax );
 465          if ( $tax ) {
 466              $id = $tax->name;
 467              add_meta_box( "add-{$id}", $tax->labels->name, 'wp_nav_menu_item_taxonomy_meta_box', 'nav-menus', 'side', 'default', $tax );
 468          }
 469      }
 470  }
 471  
 472  /**
 473   * Displays a metabox for the nav menu theme locations.
 474   *
 475   * @since 3.0.0
 476   */
 477  function wp_nav_menu_locations_meta_box() {
 478      global $nav_menu_selected_id;
 479  
 480      if ( ! current_theme_supports( 'menus' ) ) {
 481          // We must only support widgets. Leave a message and bail.
 482          echo '<p class="howto">' . __('The current theme does not natively support menus, but you can use the &#8220;Custom Menu&#8221; widget to add any menus you create here to the theme&#8217;s sidebar.') . '</p>';
 483          return;
 484      }
 485  
 486      $locations = get_registered_nav_menus();
 487      $menus = wp_get_nav_menus();
 488      $menu_locations = get_nav_menu_locations();
 489      $num_locations = count( array_keys($locations) );
 490  
 491      echo '<p class="howto">' . sprintf( _n('Your theme supports %s menu. Select which menu you would like to use.', 'Your theme supports %s menus. Select which menu appears in each location.', $num_locations ), number_format_i18n($num_locations) ) . '</p>';
 492  
 493      foreach ( $locations as $location => $description ) {
 494          ?>
 495          <p>
 496              <label class="howto" for="locations-<?php echo $location; ?>">
 497                  <span><?php echo $description; ?></span>
 498                  <select name="menu-locations[<?php echo $location; ?>]" id="locations-<?php echo $location; ?>">
 499                      <option value="0"></option>
 500                      <?php foreach ( $menus as $menu ) : ?>
 501                      <option<?php selected( isset( $menu_locations[ $location ] ) && $menu_locations[ $location ] == $menu->term_id ); ?>
 502                          value="<?php echo $menu->term_id; ?>"><?php
 503                          $truncated_name = wp_html_excerpt( $menu->name, 40 );
 504                          echo $truncated_name == $menu->name ? $menu->name : trim( $truncated_name ) . '&hellip;';
 505                      ?></option>
 506                      <?php endforeach; ?>
 507                  </select>
 508              </label>
 509          </p>
 510      <?php
 511      }
 512      ?>
 513      <p class="button-controls">
 514          <img class="waiting" src="<?php echo esc_url( admin_url( 'images/wpspin_light.gif' ) ); ?>" alt="" />
 515          <?php submit_button( __( 'Save' ), 'primary', 'nav-menu-locations', false, disabled( $nav_menu_selected_id, 0, false ) ); ?>
 516      </p>
 517      <?php
 518  }
 519  
 520  /**
 521   * Displays a metabox for the custom links menu item.
 522   *
 523   * @since 3.0.0
 524   */
 525  function wp_nav_menu_item_link_meta_box() {
 526      global $_nav_menu_placeholder, $nav_menu_selected_id;
 527      $_nav_menu_placeholder = 0 > $_nav_menu_placeholder ? $_nav_menu_placeholder - 1 : -1;
 528  
 529      $current_tab = 'create';
 530      if ( isset( $_REQUEST['customlink-tab'] ) && in_array( $_REQUEST['customlink-tab'], array('create', 'all') ) ) {
 531          $current_tab = $_REQUEST['customlink-tab'];
 532      }
 533  
 534      $removed_args = array(
 535          'action',
 536          'customlink-tab',
 537          'edit-menu-item',
 538          'menu-item',
 539          'page-tab',
 540          '_wpnonce',
 541      );
 542  
 543      ?>
 544      <div class="customlinkdiv" id="customlinkdiv">
 545  
 546              <input type="hidden" value="custom" name="menu-item[<?php echo $_nav_menu_placeholder; ?>][menu-item-type]" />
 547              <p id="menu-item-url-wrap">
 548                  <label class="howto" for="custom-menu-item-url">
 549                      <span><?php _e('URL'); ?></span>
 550                      <input id="custom-menu-item-url" name="menu-item[<?php echo $_nav_menu_placeholder; ?>][menu-item-url]" type="text" class="code menu-item-textbox" value="http://" />
 551                  </label>
 552              </p>
 553  
 554              <p id="menu-item-name-wrap">
 555                  <label class="howto" for="custom-menu-item-name">
 556                      <span><?php _e('Label'); ?></span>
 557                      <input id="custom-menu-item-name" name="menu-item[<?php echo $_nav_menu_placeholder; ?>][menu-item-title]" type="text" class="regular-text menu-item-textbox input-with-default-title" title="<?php esc_attr_e('Menu Item'); ?>" />
 558                  </label>
 559              </p>
 560  
 561          <p class="button-controls">
 562              <span class="add-to-menu">
 563                  <img class="waiting" src="<?php echo esc_url( admin_url( 'images/wpspin_light.gif' ) ); ?>" alt="" />
 564                  <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-custom-menu-item" id="submit-customlinkdiv" />
 565              </span>
 566          </p>
 567  
 568      </div><!-- /.customlinkdiv -->
 569      <?php
 570  }
 571  
 572  /**
 573   * Displays a metabox for a post type menu item.
 574   *
 575   * @since 3.0.0
 576   *
 577   * @param string $object Not used.
 578   * @param string $post_type The post type object.
 579   */
 580  function wp_nav_menu_item_post_type_meta_box( $object, $post_type ) {
 581      global $_nav_menu_placeholder, $nav_menu_selected_id;
 582  
 583      $post_type_name = $post_type['args']->name;
 584  
 585      // paginate browsing for large numbers of post objects
 586      $per_page = 50;
 587      $pagenum = isset( $_REQUEST[$post_type_name . '-tab'] ) && isset( $_REQUEST['paged'] ) ? absint( $_REQUEST['paged'] ) : 1;
 588      $offset = 0 < $pagenum ? $per_page * ( $pagenum - 1 ) : 0;
 589  
 590      $args = array(
 591          'offset' => $offset,
 592          'order' => 'ASC',
 593          'orderby' => 'title',
 594          'posts_per_page' => $per_page,
 595          'post_type' => $post_type_name,
 596          'suppress_filters' => true,
 597          'update_post_term_cache' => false,
 598          'update_post_meta_cache' => false
 599      );
 600  
 601      if ( isset( $post_type['args']->_default_query ) )
 602          $args = array_merge($args, (array) $post_type['args']->_default_query );
 603  
 604      // @todo transient caching of these results with proper invalidation on updating of a post of this type
 605      $get_posts = new WP_Query;
 606      $posts = $get_posts->query( $args );
 607      if ( ! $get_posts->post_count ) {
 608          echo '<p>' . __( 'No items.' ) . '</p>';
 609          return;
 610      }
 611  
 612      $post_type_object = get_post_type_object($post_type_name);
 613  
 614      $num_pages = $get_posts->max_num_pages;
 615  
 616      $page_links = paginate_links( array(
 617          'base' => add_query_arg(
 618              array(
 619                  $post_type_name . '-tab' => 'all',
 620                  'paged' => '%#%',
 621                  'item-type' => 'post_type',
 622                  'item-object' => $post_type_name,
 623              )
 624          ),
 625          'format' => '',
 626          'prev_text' => __('&laquo;'),
 627          'next_text' => __('&raquo;'),
 628          'total' => $num_pages,
 629          'current' => $pagenum
 630      ));
 631  
 632      if ( !$posts )
 633          $error = '<li id="error">'. $post_type['args']->labels->not_found .'</li>';
 634  
 635      $db_fields = false;
 636      if ( is_post_type_hierarchical( $post_type_name ) ) {
 637          $db_fields = array( 'parent' => 'post_parent', 'id' => 'ID' );
 638      }
 639  
 640      $walker = new Walker_Nav_Menu_Checklist( $db_fields );
 641  
 642      $current_tab = 'most-recent';
 643      if ( isset( $_REQUEST[$post_type_name . '-tab'] ) && in_array( $_REQUEST[$post_type_name . '-tab'], array('all', 'search') ) ) {
 644          $current_tab = $_REQUEST[$post_type_name . '-tab'];
 645      }
 646  
 647      if ( ! empty( $_REQUEST['quick-search-posttype-' . $post_type_name] ) ) {
 648          $current_tab = 'search';
 649      }
 650  
 651      $removed_args = array(
 652          'action',
 653          'customlink-tab',
 654          'edit-menu-item',
 655          'menu-item',
 656          'page-tab',
 657          '_wpnonce',
 658      );
 659  
 660      ?>
 661      <div id="posttype-<?php echo $post_type_name; ?>" class="posttypediv">
 662          <ul id="posttype-<?php echo $post_type_name; ?>-tabs" class="posttype-tabs add-menu-item-tabs">
 663              <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>
 664              <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>
 665              <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>
 666          </ul>
 667  
 668          <div id="tabs-panel-posttype-<?php echo $post_type_name; ?>-most-recent" class="tabs-panel <?php
 669              echo ( 'most-recent' == $current_tab ? 'tabs-panel-active' : 'tabs-panel-inactive' );
 670          ?>">
 671              <ul id="<?php echo $post_type_name; ?>checklist-most-recent" class="categorychecklist form-no-clear">
 672                  <?php
 673                  $recent_args = array_merge( $args, array( 'orderby' => 'post_date', 'order' => 'DESC', 'posts_per_page' => 15 ) );
 674                  $most_recent = $get_posts->query( $recent_args );
 675                  $args['walker'] = $walker;
 676                  echo walk_nav_menu_tree( array_map('wp_setup_nav_menu_item', $most_recent), 0, (object) $args );
 677                  ?>
 678              </ul>
 679          </div><!-- /.tabs-panel -->
 680  
 681          <div class="tabs-panel <?php
 682              echo ( 'search' == $current_tab ? 'tabs-panel-active' : 'tabs-panel-inactive' );
 683          ?>" id="tabs-panel-posttype-<?php echo $post_type_name; ?>-search">
 684              <?php
 685              if ( isset( $_REQUEST['quick-search-posttype-' . $post_type_name] ) ) {
 686                  $searched = esc_attr( $_REQUEST['quick-search-posttype-' . $post_type_name] );
 687                  $search_results = get_posts( array( 's' => $searched, 'post_type' => $post_type_name, 'fields' => 'all', 'order' => 'DESC', ) );
 688              } else {
 689                  $searched = '';
 690                  $search_results = array();
 691              }
 692              ?>
 693              <p class="quick-search-wrap">
 694                  <input type="search" 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; ?>" />
 695                  <img class="waiting" src="<?php echo esc_url( admin_url( 'images/wpspin_light.gif' ) ); ?>" alt="" />
 696                  <?php submit_button( __( 'Search' ), 'quick-search-submit button-secondary hide-if-js', 'submit', false, array( 'id' => 'submit-quick-search-posttype-' . $post_type_name ) ); ?>
 697              </p>
 698  
 699              <ul id="<?php echo $post_type_name; ?>-search-checklist" class="list:<?php echo $post_type_name?> categorychecklist form-no-clear">
 700              <?php if ( ! empty( $search_results ) && ! is_wp_error( $search_results ) ) : ?>
 701                  <?php
 702                  $args['walker'] = $walker;
 703                  echo walk_nav_menu_tree( array_map('wp_setup_nav_menu_item', $search_results), 0, (object) $args );
 704                  ?>
 705              <?php elseif ( is_wp_error( $search_results ) ) : ?>
 706                  <li><?php echo $search_results->get_error_message(); ?></li>
 707              <?php elseif ( ! empty( $searched ) ) : ?>
 708                  <li><?php _e('No results found.'); ?></li>
 709              <?php endif; ?>
 710              </ul>
 711          </div><!-- /.tabs-panel -->
 712  
 713          <div id="<?php echo $post_type_name; ?>-all" class="tabs-panel tabs-panel-view-all <?php
 714              echo ( 'all' == $current_tab ? 'tabs-panel-active' : 'tabs-panel-inactive' );
 715          ?>">
 716              <?php if ( ! empty( $page_links ) ) : ?>
 717                  <div class="add-menu-item-pagelinks">
 718                      <?php echo $page_links; ?>
 719                  </div>
 720              <?php endif; ?>
 721              <ul id="<?php echo $post_type_name; ?>checklist" class="list:<?php echo $post_type_name?> categorychecklist form-no-clear">
 722                  <?php
 723                  $args['walker'] = $walker;
 724  
 725                  // if we're dealing with pages, let's put a checkbox for the front page at the top of the list
 726                  if ( 'page' == $post_type_name ) {
 727                      $front_page = 'page' == get_option('show_on_front') ? (int) get_option( 'page_on_front' ) : 0;
 728                      if ( ! empty( $front_page ) ) {
 729                          $front_page_obj = get_post( $front_page );
 730                          $front_page_obj->_add_to_top = true;
 731                          $front_page_obj->label = sprintf( _x('Home: %s', 'nav menu front page title'), $front_page_obj->post_title );
 732                          array_unshift( $posts, $front_page_obj );
 733                      } else {
 734                          $_nav_menu_placeholder = ( 0 > $_nav_menu_placeholder ) ? intval($_nav_menu_placeholder) - 1 : -1;
 735                          array_unshift( $posts, (object) array(
 736                              '_add_to_top' => true,
 737                              'ID' => 0,
 738                              'object_id' => $_nav_menu_placeholder,
 739                              'post_content' => '',
 740                              'post_excerpt' => '',
 741                              'post_parent' => '',
 742                              'post_title' => _x('Home', 'nav menu home label'),
 743                              'post_type' => 'nav_menu_item',
 744                              'type' => 'custom',
 745                              'url' => home_url('/'),
 746                          ) );
 747                      }
 748                  }
 749  
 750                  $posts = apply_filters( 'nav_menu_items_'.$post_type_name, $posts, $args, $post_type );
 751                  $checkbox_items = walk_nav_menu_tree( array_map('wp_setup_nav_menu_item', $posts), 0, (object) $args );
 752  
 753                  if ( 'all' == $current_tab && ! empty( $_REQUEST['selectall'] ) ) {
 754                      $checkbox_items = preg_replace('/(type=(.)checkbox(\2))/', '$1 checked=$2checked$2', $checkbox_items);
 755  
 756                  }
 757  
 758                  echo $checkbox_items;
 759                  ?>
 760              </ul>
 761              <?php if ( ! empty( $page_links ) ) : ?>
 762                  <div class="add-menu-item-pagelinks">
 763                      <?php echo $page_links; ?>
 764                  </div>
 765              <?php endif; ?>
 766          </div><!-- /.tabs-panel -->
 767  
 768          <p class="button-controls">
 769              <span class="list-controls">
 770                  <a href="<?php
 771                      echo esc_url(add_query_arg(
 772                          array(
 773                              $post_type_name . '-tab' => 'all',
 774                              'selectall' => 1,
 775                          ),
 776                          remove_query_arg($removed_args)
 777                      ));
 778                  ?>#posttype-<?php echo $post_type_name; ?>" class="select-all"><?php _e('Select All'); ?></a>
 779              </span>
 780  
 781              <span class="add-to-menu">
 782                  <img class="waiting" src="<?php echo esc_url( admin_url( 'images/wpspin_light.gif' ) ); ?>" alt="" />
 783                  <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; ?>" />
 784              </span>
 785          </p>
 786  
 787      </div><!-- /.posttypediv -->
 788      <?php
 789  }
 790  
 791  /**
 792   * Displays a metabox for a taxonomy menu item.
 793   *
 794   * @since 3.0.0
 795   *
 796   * @param string $object Not used.
 797   * @param string $taxonomy The taxonomy object.
 798   */
 799  function wp_nav_menu_item_taxonomy_meta_box( $object, $taxonomy ) {
 800      global $nav_menu_selected_id;
 801      $taxonomy_name = $taxonomy['args']->name;
 802  
 803      // paginate browsing for large numbers of objects
 804      $per_page = 50;
 805      $pagenum = isset( $_REQUEST[$taxonomy_name . '-tab'] ) && isset( $_REQUEST['paged'] ) ? absint( $_REQUEST['paged'] ) : 1;
 806      $offset = 0 < $pagenum ? $per_page * ( $pagenum - 1 ) : 0;
 807  
 808      $args = array(
 809          'child_of' => 0,
 810          'exclude' => '',
 811          'hide_empty' => false,
 812          'hierarchical' => 1,
 813          'include' => '',
 814          'number' => $per_page,
 815          'offset' => $offset,
 816          'order' => 'ASC',
 817          'orderby' => 'name',
 818          'pad_counts' => false,
 819      );
 820  
 821      $terms = get_terms( $taxonomy_name, $args );
 822  
 823      if ( ! $terms || is_wp_error($terms) ) {
 824          echo '<p>' . __( 'No items.' ) . '</p>';
 825          return;
 826      }
 827  
 828      $num_pages = ceil( wp_count_terms( $taxonomy_name , array_merge( $args, array('number' => '', 'offset' => '') ) ) / $per_page );
 829  
 830      $page_links = paginate_links( array(
 831          'base' => add_query_arg(
 832              array(
 833                  $taxonomy_name . '-tab' => 'all',
 834                  'paged' => '%#%',
 835                  'item-type' => 'taxonomy',
 836                  'item-object' => $taxonomy_name,
 837              )
 838          ),
 839          'format' => '',
 840          'prev_text' => __('&laquo;'),
 841          'next_text' => __('&raquo;'),
 842          'total' => $num_pages,
 843          'current' => $pagenum
 844      ));
 845  
 846      $db_fields = false;
 847      if ( is_taxonomy_hierarchical( $taxonomy_name ) ) {
 848          $db_fields = array( 'parent' => 'parent', 'id' => 'term_id' );
 849      }
 850  
 851      $walker = new Walker_Nav_Menu_Checklist( $db_fields );
 852  
 853      $current_tab = 'most-used';
 854      if ( isset( $_REQUEST[$taxonomy_name . '-tab'] ) && in_array( $_REQUEST[$taxonomy_name . '-tab'], array('all', 'most-used', 'search') ) ) {
 855          $current_tab = $_REQUEST[$taxonomy_name . '-tab'];
 856      }
 857  
 858      if ( ! empty( $_REQUEST['quick-search-taxonomy-' . $taxonomy_name] ) ) {
 859          $current_tab = 'search';
 860      }
 861  
 862      $removed_args = array(
 863          'action',
 864          'customlink-tab',
 865          'edit-menu-item',
 866          'menu-item',
 867          'page-tab',
 868          '_wpnonce',
 869      );
 870  
 871      ?>
 872      <div id="taxonomy-<?php echo $taxonomy_name; ?>" class="taxonomydiv">
 873          <ul id="taxonomy-<?php echo $taxonomy_name; ?>-tabs" class="taxonomy-tabs add-menu-item-tabs">
 874              <li <?php echo ( 'most-used' == $current_tab ? ' class="tabs"' : '' ); ?>><a class="nav-tab-link" href="<?php if ( $nav_menu_selected_id ) echo esc_url(add_query_arg($taxonomy_name . '-tab', 'most-used', remove_query_arg($removed_args))); ?>#tabs-panel-<?php echo $taxonomy_name; ?>-pop"><?php _e('Most Used'); ?></a></li>
 875              <li <?php echo ( 'all' == $current_tab ? ' class="tabs"' : '' ); ?>><a class="nav-tab-link" href="<?php if ( $nav_menu_selected_id ) echo esc_url(add_query_arg($taxonomy_name . '-tab', 'all', remove_query_arg($removed_args))); ?>#tabs-panel-<?php echo $taxonomy_name; ?>-all"><?php _e('View All'); ?></a></li>
 876              <li <?php echo ( 'search' == $current_tab ? ' class="tabs"' : '' ); ?>><a class="nav-tab-link" href="<?php if ( $nav_menu_selected_id ) echo esc_url(add_query_arg($taxonomy_name . '-tab', 'search', remove_query_arg($removed_args))); ?>#tabs-panel-search-taxonomy-<?php echo $taxonomy_name; ?>"><?php _e('Search'); ?></a></li>
 877          </ul>
 878  
 879          <div id="tabs-panel-<?php echo $taxonomy_name; ?>-pop" class="tabs-panel <?php
 880              echo ( 'most-used' == $current_tab ? 'tabs-panel-active' : 'tabs-panel-inactive' );
 881          ?>">
 882              <ul id="<?php echo $taxonomy_name; ?>checklist-pop" class="categorychecklist form-no-clear" >
 883                  <?php
 884                  $popular_terms = get_terms( $taxonomy_name, array( 'orderby' => 'count', 'order' => 'DESC', 'number' => 10, 'hierarchical' => false ) );
 885                  $args['walker'] = $walker;
 886                  echo walk_nav_menu_tree( array_map('wp_setup_nav_menu_item', $popular_terms), 0, (object) $args );
 887                  ?>
 888              </ul>
 889          </div><!-- /.tabs-panel -->
 890  
 891          <div id="tabs-panel-<?php echo $taxonomy_name; ?>-all" class="tabs-panel tabs-panel-view-all <?php
 892              echo ( 'all' == $current_tab ? 'tabs-panel-active' : 'tabs-panel-inactive' );
 893          ?>">
 894              <?php if ( ! empty( $page_links ) ) : ?>
 895                  <div class="add-menu-item-pagelinks">
 896                      <?php echo $page_links; ?>
 897                  </div>
 898              <?php endif; ?>
 899              <ul id="<?php echo $taxonomy_name; ?>checklist" class="list:<?php echo $taxonomy_name?> categorychecklist form-no-clear">
 900                  <?php
 901                  $args['walker'] = $walker;
 902                  echo walk_nav_menu_tree( array_map('wp_setup_nav_menu_item', $terms), 0, (object) $args );
 903                  ?>
 904              </ul>
 905              <?php if ( ! empty( $page_links ) ) : ?>
 906                  <div class="add-menu-item-pagelinks">
 907                      <?php echo $page_links; ?>
 908                  </div>
 909              <?php endif; ?>
 910          </div><!-- /.tabs-panel -->
 911  
 912          <div class="tabs-panel <?php
 913              echo ( 'search' == $current_tab ? 'tabs-panel-active' : 'tabs-panel-inactive' );
 914          ?>" id="tabs-panel-search-taxonomy-<?php echo $taxonomy_name; ?>">
 915              <?php
 916              if ( isset( $_REQUEST['quick-search-taxonomy-' . $taxonomy_name] ) ) {
 917                  $searched = esc_attr( $_REQUEST['quick-search-taxonomy-' . $taxonomy_name] );
 918                  $search_results = get_terms( $taxonomy_name, array( 'name__like' => $searched, 'fields' => 'all', 'orderby' => 'count', 'order' => 'DESC', 'hierarchical' => false ) );
 919              } else {
 920                  $searched = '';
 921                  $search_results = array();
 922              }
 923              ?>
 924              <p class="quick-search-wrap">
 925                  <input type="search" class="quick-search input-with-default-title" title="<?php esc_attr_e('Search'); ?>" value="<?php echo $searched; ?>" name="quick-search-taxonomy-<?php echo $taxonomy_name; ?>" />
 926                  <img class="waiting" src="<?php echo esc_url( admin_url( 'images/wpspin_light.gif' ) ); ?>" alt="" />
 927                  <?php submit_button( __( 'Search' ), 'quick-search-submit button-secondary hide-if-js', 'submit', false, array( 'id' => 'submit-quick-search-taxonomy-' . $taxonomy_name ) ); ?>
 928              </p>
 929  
 930              <ul id="<?php echo $taxonomy_name; ?>-search-checklist" class="list:<?php echo $taxonomy_name?> categorychecklist form-no-clear">
 931              <?php if ( ! empty( $search_results ) && ! is_wp_error( $search_results ) ) : ?>
 932                  <?php
 933                  $args['walker'] = $walker;
 934                  echo walk_nav_menu_tree( array_map('wp_setup_nav_menu_item', $search_results), 0, (object) $args );
 935                  ?>
 936              <?php elseif ( is_wp_error( $search_results ) ) : ?>
 937                  <li><?php echo $search_results->get_error_message(); ?></li>
 938              <?php elseif ( ! empty( $searched ) ) : ?>
 939                  <li><?php _e('No results found.'); ?></li>
 940              <?php endif; ?>
 941              </ul>
 942          </div><!-- /.tabs-panel -->
 943  
 944          <p class="button-controls">
 945              <span class="list-controls">
 946                  <a href="<?php
 947                      echo esc_url(add_query_arg(
 948                          array(
 949                              $taxonomy_name . '-tab' => 'all',
 950                              'selectall' => 1,
 951                          ),
 952                          remove_query_arg($removed_args)
 953                      ));
 954                  ?>#taxonomy-<?php echo $taxonomy_name; ?>" class="select-all"><?php _e('Select All'); ?></a>
 955              </span>
 956  
 957              <span class="add-to-menu">
 958                  <img class="waiting" src="<?php echo esc_url( admin_url( 'images/wpspin_light.gif' ) ); ?>" alt="" />
 959                  <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-taxonomy-menu-item" id="submit-taxonomy-<?php echo $taxonomy_name; ?>" />
 960              </span>
 961          </p>
 962  
 963      </div><!-- /.taxonomydiv -->
 964      <?php
 965  }
 966  
 967  /**
 968   * Save posted nav menu item data.
 969   *
 970   * @since 3.0.0
 971   *
 972   * @param int $menu_id The menu ID for which to save this item. $menu_id of 0 makes a draft, orphaned menu item.
 973   * @param array $menu_data The unsanitized posted menu item data.
 974   * @return array The database IDs of the items saved
 975   */
 976  function wp_save_nav_menu_items( $menu_id = 0, $menu_data = array() ) {
 977      $menu_id = (int) $menu_id;
 978      $items_saved = array();
 979  
 980      if ( 0 == $menu_id || is_nav_menu( $menu_id ) ) {
 981  
 982          // Loop through all the menu items' POST values
 983          foreach( (array) $menu_data as $_possible_db_id => $_item_object_data ) {
 984              if (
 985                  empty( $_item_object_data['menu-item-object-id'] ) && // checkbox is not checked
 986                  (
 987                      ! isset( $_item_object_data['menu-item-type'] ) || // and item type either isn't set
 988                      in_array( $_item_object_data['menu-item-url'], array( 'http://', '' ) ) || // or URL is the default
 989                      ! ( 'custom' == $_item_object_data['menu-item-type'] && ! isset( $_item_object_data['menu-item-db-id'] ) ) || // or it's not a custom menu item (but not the custom home page)
 990                      ! empty( $_item_object_data['menu-item-db-id'] ) // or it *is* a custom menu item that already exists
 991                  )
 992              ) {
 993                  continue; // then this potential menu item is not getting added to this menu
 994              }
 995  
 996              // if this possible menu item doesn't actually have a menu database ID yet
 997              if (
 998                  empty( $_item_object_data['menu-item-db-id'] ) ||
 999                  ( 0 > $_possible_db_id ) ||
1000                  $_possible_db_id != $_item_object_data['menu-item-db-id']
1001              ) {
1002                  $_actual_db_id = 0;
1003              } else {
1004                  $_actual_db_id = (int) $_item_object_data['menu-item-db-id'];
1005              }
1006  
1007              $args = array(
1008                  'menu-item-db-id' => ( isset( $_item_object_data['menu-item-db-id'] ) ? $_item_object_data['menu-item-db-id'] : '' ),
1009                  'menu-item-object-id' => ( isset( $_item_object_data['menu-item-object-id'] ) ? $_item_object_data['menu-item-object-id'] : '' ),
1010                  'menu-item-object' => ( isset( $_item_object_data['menu-item-object'] ) ? $_item_object_data['menu-item-object'] : '' ),
1011                  'menu-item-parent-id' => ( isset( $_item_object_data['menu-item-parent-id'] ) ? $_item_object_data['menu-item-parent-id'] : '' ),
1012                  'menu-item-position' => ( isset( $_item_object_data['menu-item-position'] ) ? $_item_object_data['menu-item-position'] : '' ),
1013                  'menu-item-type' => ( isset( $_item_object_data['menu-item-type'] ) ? $_item_object_data['menu-item-type'] : '' ),
1014                  'menu-item-title' => ( isset( $_item_object_data['menu-item-title'] ) ? $_item_object_data['menu-item-title'] : '' ),
1015                  'menu-item-url' => ( isset( $_item_object_data['menu-item-url'] ) ? $_item_object_data['menu-item-url'] : '' ),
1016                  'menu-item-description' => ( isset( $_item_object_data['menu-item-description'] ) ? $_item_object_data['menu-item-description'] : '' ),
1017                  'menu-item-attr-title' => ( isset( $_item_object_data['menu-item-attr-title'] ) ? $_item_object_data['menu-item-attr-title'] : '' ),
1018                  'menu-item-target' => ( isset( $_item_object_data['menu-item-target'] ) ? $_item_object_data['menu-item-target'] : '' ),
1019                  'menu-item-classes' => ( isset( $_item_object_data['menu-item-classes'] ) ? $_item_object_data['menu-item-classes'] : '' ),
1020                  'menu-item-xfn' => ( isset( $_item_object_data['menu-item-xfn'] ) ? $_item_object_data['menu-item-xfn'] : '' ),
1021              );
1022  
1023              $items_saved[] = wp_update_nav_menu_item( $menu_id, $_actual_db_id, $args );
1024  
1025          }
1026      }
1027      return $items_saved;
1028  }
1029  
1030  /**
1031   * Adds custom arguments to some of the meta box object types.
1032   *
1033   * @since 3.0.0
1034   *
1035   * @access private
1036   *
1037   * @param object $object The post type or taxonomy meta-object.
1038   * @return object The post type of taxonomy object.
1039   */
1040  function _wp_nav_menu_meta_box_object( $object = null ) {
1041      if ( isset( $object->name ) ) {
1042  
1043          if ( 'page' == $object->name ) {
1044              $object->_default_query = array(
1045                  'orderby' => 'menu_order title',
1046                  'post_status' => 'publish',
1047              );
1048  
1049          // posts should show only published items
1050          } elseif ( 'post' == $object->name ) {
1051              $object->_default_query = array(
1052                  'post_status' => 'publish',
1053              );
1054  
1055          // cats should be in reverse chronological order
1056          } elseif ( 'category' == $object->name ) {
1057              $object->_default_query = array(
1058                  'orderby' => 'id',
1059                  'order' => 'DESC',
1060              );
1061  
1062          // custom post types should show only published items
1063          } else {
1064              $object->_default_query = array(
1065                  'post_status' => 'publish',
1066              );
1067          }
1068      }
1069  
1070      return $object;
1071  }
1072  
1073  /**
1074   * Returns the menu formatted to edit.
1075   *
1076   * @since 3.0.0
1077   *
1078   * @param string $menu_id The ID of the menu to format.
1079   * @return string|WP_Error $output The menu formatted to edit or error object on failure.
1080   */
1081  function wp_get_nav_menu_to_edit( $menu_id = 0 ) {
1082      $menu = wp_get_nav_menu_object( $menu_id );
1083  
1084      // If the menu exists, get its items.
1085      if ( is_nav_menu( $menu ) ) {
1086          $menu_items = wp_get_nav_menu_items( $menu->term_id, array('post_status' => 'any') );
1087          $result = '<div id="menu-instructions" class="post-body-plain';
1088          $result .= ( ! empty($menu_items) ) ? ' menu-instructions-inactive">' : '">';
1089          $result .= '<p>' . __('Select menu items (pages, categories, links) from the boxes at left to begin building your custom menu.') . '</p>';
1090          $result .= '</div>';
1091  
1092          if( empty($menu_items) )
1093              return $result . ' <ul class="menu" id="menu-to-edit"> </ul>';
1094  
1095          $walker_class_name = apply_filters( 'wp_edit_nav_menu_walker', 'Walker_Nav_Menu_Edit', $menu_id );
1096  
1097          if ( class_exists( $walker_class_name ) )
1098              $walker = new $walker_class_name;
1099          else
1100              return new WP_Error( 'menu_walker_not_exist', sprintf( __('The Walker class named <strong>%s</strong> does not exist.'), $walker_class_name ) );
1101  
1102          $some_pending_menu_items = $some_invalid_menu_items = false;
1103          foreach( (array) $menu_items as $menu_item ) {
1104              if ( isset( $menu_item->post_status ) && 'draft' == $menu_item->post_status )
1105                  $some_pending_menu_items = true;
1106              if ( ! empty( $menu_item->_invalid ) )
1107                  $some_invalid_menu_items = true;
1108          }
1109  
1110          if ( $some_pending_menu_items )
1111              $result .= '<div class="updated inline"><p>' . __('Click Save Menu to make pending menu items public.') . '</p></div>';
1112  
1113          if ( $some_invalid_menu_items )
1114              $result .= '<div class="error inline"><p>' . __('There are some invalid menu items. Please check or delete them.') . '</p></div>';
1115  
1116          $result .= '<ul class="menu" id="menu-to-edit"> ';
1117          $result .= walk_nav_menu_tree( array_map('wp_setup_nav_menu_item', $menu_items), 0, (object) array('walker' => $walker ) );
1118          $result .= ' </ul> ';
1119          return $result;
1120      } elseif ( is_wp_error( $menu ) ) {
1121          return $menu;
1122      }
1123  
1124  }
1125  
1126  /**
1127   * Returns the columns for the nav menus page.
1128   *
1129   * @since 3.0.0
1130   *
1131   * @return string|WP_Error $output The menu formatted to edit or error object on failure.
1132   */
1133  function wp_nav_menu_manage_columns() {
1134      return array(
1135          '_title' => __('Show advanced menu properties'),
1136          'cb' => '<input type="checkbox" />',
1137          'link-target' => __('Link Target'),
1138          'css-classes' => __('CSS Classes'),
1139          'xfn' => __('Link Relationship (XFN)'),
1140          'description' => __('Description'),
1141      );
1142  }
1143  
1144  /**
1145   * Deletes orphaned draft menu items
1146   *
1147   * @access private
1148   * @since 3.0.0
1149   *
1150   */
1151  function _wp_delete_orphaned_draft_menu_items() {
1152      global $wpdb;
1153      $delete_timestamp = time() - (60*60*24*EMPTY_TRASH_DAYS);
1154  
1155      // delete orphaned draft menu items
1156      $menu_items_to_delete = $wpdb->get_col($wpdb->prepare("SELECT ID FROM $wpdb->posts AS p LEFT JOIN $wpdb->postmeta AS m ON p.ID = m.post_id WHERE post_type = 'nav_menu_item' AND post_status = 'draft' AND meta_key = '_menu_item_orphaned' AND meta_value < '%d'", $delete_timestamp ) );
1157  
1158      foreach( (array) $menu_items_to_delete as $menu_item_id )
1159          wp_delete_post( $menu_item_id, true );
1160  }
1161  
1162  add_action('admin_head-nav-menus.php', '_wp_delete_orphaned_draft_menu_items');


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