WP_Customize_Nav_Menu_Control

17class WP_Customize_Nav_Menu_Control extends WP_Customize_Control {18 19	/**20	 * Control type.21	 *22	 * @since 4.3.023	 * @var string24	 */25	public $type = 'nav_menu';26 27	/**28	 * Don't render the control's content - it uses a JS template instead.29	 *30	 * @since 4.3.031	 */32	public function render_content() {}33 34	/**35	 * JS/Underscore template for the control UI.36	 *37	 * @since 4.3.038	 */39	public function content_template() {40		$add_items = __( 'Add Items' );41		?>42		<p class="new-menu-item-invitation">43			<?php44			printf(45				/* translators: %s: "Add Items" button text. */46				__( 'Time to add some links! Click &#8220;%s&#8221; to start putting pages, categories, and custom links in your menu. Add as many things as you would like.' ),47				$add_items48			);49			?>50		</p>51		<div class="customize-control-nav_menu-buttons">52			<button type="button" class="button add-new-menu-item" aria-label="<?php esc_attr_e( 'Add or remove menu items' ); ?>" aria-expanded="false" aria-controls="available-menu-items">53				<?php echo $add_items; ?>54			</button>55			<button type="button" class="button-link reorder-toggle" aria-label="<?php esc_attr_e( 'Reorder menu items' ); ?>" aria-describedby="reorder-items-desc-{{ data.menu_id }}">56				<span class="reorder"><?php _e( 'Reorder' ); ?></span>57				<span class="reorder-done"><?php _e( 'Done' ); ?></span>58			</button>59		</div>60		<p class="screen-reader-text" id="reorder-items-desc-{{ data.menu_id }}">61			<?php62			/* translators: Hidden accessibility text. */63			_e( 'When in reorder mode, additional controls to reorder menu items will be available in the items list above.' );64			?>65		</p>66		<?php67	}68 69	/**70	 * Return parameters for this control.71	 *72	 * @since 4.3.073	 *74	 * @return array Exported parameters.75	 */76	public function json() {77		$exported            = parent::json();78		$exported['menu_id'] = $this->setting->term_id;79 80		return $exported;81	}82}