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


Generated: Thu Oct 14 05:11:12 2010 Cross-referenced by PHPXref 0.7