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649 lines
18 KiB
649 lines
18 KiB
<?php |
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/** |
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* Customize API: WP_Customize_Nav_Menu_Setting class |
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* |
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* @package WordPress |
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* @subpackage Customize |
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* @since 4.4.0 |
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*/ |
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|
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/** |
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* Customize Setting to represent a nav_menu. |
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* |
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* Subclass of WP_Customize_Setting to represent a nav_menu taxonomy term, and |
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* the IDs for the nav_menu_items associated with the nav menu. |
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* |
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* @since 4.3.0 |
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* |
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* @see wp_get_nav_menu_object() |
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* @see WP_Customize_Setting |
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*/ |
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class WP_Customize_Nav_Menu_Setting extends WP_Customize_Setting { |
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const ID_PATTERN = '/^nav_menu\[(?P<id>-?\d+)\]$/'; |
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const TAXONOMY = 'nav_menu'; |
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const TYPE = 'nav_menu'; |
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/** |
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* Setting type. |
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* |
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* @since 4.3.0 |
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* @var string |
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*/ |
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public $type = self::TYPE; |
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/** |
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* Default setting value. |
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* |
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* @since 4.3.0 |
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* @var array |
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* |
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* @see wp_get_nav_menu_object() |
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*/ |
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public $default = array( |
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'name' => '', |
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'description' => '', |
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'parent' => 0, |
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'auto_add' => false, |
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); |
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/** |
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* Default transport. |
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* |
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* @since 4.3.0 |
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* @var string |
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*/ |
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public $transport = 'postMessage'; |
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/** |
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* The term ID represented by this setting instance. |
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* |
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* A negative value represents a placeholder ID for a new menu not yet saved. |
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* |
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* @since 4.3.0 |
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* @var int |
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*/ |
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public $term_id; |
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/** |
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* Previous (placeholder) term ID used before creating a new menu. |
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* |
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* This value will be exported to JS via the {@see 'customize_save_response'} filter |
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* so that JavaScript can update the settings to refer to the newly-assigned |
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* term ID. This value is always negative to indicate it does not refer to |
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* a real term. |
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* |
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* @since 4.3.0 |
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* @var int |
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* |
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* @see WP_Customize_Nav_Menu_Setting::update() |
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* @see WP_Customize_Nav_Menu_Setting::amend_customize_save_response() |
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*/ |
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public $previous_term_id; |
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/** |
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* Whether or not update() was called. |
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* |
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* @since 4.3.0 |
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* @var bool |
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*/ |
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protected $is_updated = false; |
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/** |
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* Status for calling the update method, used in customize_save_response filter. |
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* |
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* See {@see 'customize_save_response'}. |
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* |
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* When status is inserted, the placeholder term ID is stored in `$previous_term_id`. |
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* When status is error, the error is stored in `$update_error`. |
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* |
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* @since 4.3.0 |
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* @var string updated|inserted|deleted|error |
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* |
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* @see WP_Customize_Nav_Menu_Setting::update() |
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* @see WP_Customize_Nav_Menu_Setting::amend_customize_save_response() |
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*/ |
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public $update_status; |
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/** |
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* Any error object returned by wp_update_nav_menu_object() when setting is updated. |
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* |
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* @since 4.3.0 |
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* @var WP_Error |
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* |
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* @see WP_Customize_Nav_Menu_Setting::update() |
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* @see WP_Customize_Nav_Menu_Setting::amend_customize_save_response() |
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*/ |
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public $update_error; |
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/** |
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* Constructor. |
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* |
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* Any supplied $args override class property defaults. |
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* |
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* @since 4.3.0 |
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* |
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* @param WP_Customize_Manager $manager Bootstrap Customizer instance. |
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* @param string $id An specific ID of the setting. Can be a |
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* theme mod or option name. |
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* @param array $args Optional. Setting arguments. |
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* |
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* @throws Exception If $id is not valid for this setting type. |
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*/ |
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public function __construct( WP_Customize_Manager $manager, $id, array $args = array() ) { |
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if ( empty( $manager->nav_menus ) ) { |
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throw new Exception( 'Expected WP_Customize_Manager::$nav_menus to be set.' ); |
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} |
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if ( ! preg_match( self::ID_PATTERN, $id, $matches ) ) { |
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throw new Exception( "Illegal widget setting ID: $id" ); |
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} |
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$this->term_id = intval( $matches['id'] ); |
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parent::__construct( $manager, $id, $args ); |
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} |
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/** |
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* Get the instance data for a given widget setting. |
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* |
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* @since 4.3.0 |
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* |
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* @see wp_get_nav_menu_object() |
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* |
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* @return array Instance data. |
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*/ |
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public function value() { |
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if ( $this->is_previewed && $this->_previewed_blog_id === get_current_blog_id() ) { |
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$undefined = new stdClass(); // Symbol. |
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$post_value = $this->post_value( $undefined ); |
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if ( $undefined === $post_value ) { |
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$value = $this->_original_value; |
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} else { |
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$value = $post_value; |
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} |
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} else { |
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$value = false; |
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// Note that a term_id of less than one indicates a nav_menu not yet inserted. |
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if ( $this->term_id > 0 ) { |
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$term = wp_get_nav_menu_object( $this->term_id ); |
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if ( $term ) { |
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$value = wp_array_slice_assoc( (array) $term, array_keys( $this->default ) ); |
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$nav_menu_options = (array) get_option( 'nav_menu_options', array() ); |
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$value['auto_add'] = false; |
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if ( isset( $nav_menu_options['auto_add'] ) && is_array( $nav_menu_options['auto_add'] ) ) { |
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$value['auto_add'] = in_array( $term->term_id, $nav_menu_options['auto_add'] ); |
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} |
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} |
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} |
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if ( ! is_array( $value ) ) { |
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$value = $this->default; |
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} |
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} |
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return $value; |
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} |
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/** |
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* Handle previewing the setting. |
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* |
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* @since 4.3.0 |
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* @since 4.4.0 Added boolean return value |
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* |
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* @see WP_Customize_Manager::post_value() |
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* |
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* @return bool False if method short-circuited due to no-op. |
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*/ |
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public function preview() { |
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if ( $this->is_previewed ) { |
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return false; |
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} |
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$undefined = new stdClass(); |
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$is_placeholder = ( $this->term_id < 0 ); |
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$is_dirty = ( $undefined !== $this->post_value( $undefined ) ); |
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if ( ! $is_placeholder && ! $is_dirty ) { |
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return false; |
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} |
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$this->is_previewed = true; |
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$this->_original_value = $this->value(); |
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$this->_previewed_blog_id = get_current_blog_id(); |
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add_filter( 'wp_get_nav_menus', array( $this, 'filter_wp_get_nav_menus' ), 10, 2 ); |
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add_filter( 'wp_get_nav_menu_object', array( $this, 'filter_wp_get_nav_menu_object' ), 10, 2 ); |
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add_filter( 'default_option_nav_menu_options', array( $this, 'filter_nav_menu_options' ) ); |
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add_filter( 'option_nav_menu_options', array( $this, 'filter_nav_menu_options' ) ); |
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return true; |
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} |
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/** |
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* Filters the wp_get_nav_menus() result to ensure the inserted menu object is included, and the deleted one is removed. |
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* |
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* @since 4.3.0 |
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* |
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* @see wp_get_nav_menus() |
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* |
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* @param WP_Term[] $menus An array of menu objects. |
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* @param array $args An array of arguments used to retrieve menu objects. |
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* @return WP_Term[] Array of menu objects. |
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*/ |
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public function filter_wp_get_nav_menus( $menus, $args ) { |
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if ( get_current_blog_id() !== $this->_previewed_blog_id ) { |
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return $menus; |
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} |
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$setting_value = $this->value(); |
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$is_delete = ( false === $setting_value ); |
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$index = -1; |
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// Find the existing menu item's position in the list. |
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foreach ( $menus as $i => $menu ) { |
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if ( (int) $this->term_id === (int) $menu->term_id || (int) $this->previous_term_id === (int) $menu->term_id ) { |
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$index = $i; |
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break; |
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} |
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} |
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if ( $is_delete ) { |
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// Handle deleted menu by removing it from the list. |
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if ( -1 !== $index ) { |
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array_splice( $menus, $index, 1 ); |
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} |
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} else { |
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// Handle menus being updated or inserted. |
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$menu_obj = (object) array_merge( |
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array( |
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'term_id' => $this->term_id, |
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'term_taxonomy_id' => $this->term_id, |
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'slug' => sanitize_title( $setting_value['name'] ), |
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'count' => 0, |
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'term_group' => 0, |
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'taxonomy' => self::TAXONOMY, |
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'filter' => 'raw', |
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), |
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$setting_value |
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); |
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array_splice( $menus, $index, ( -1 === $index ? 0 : 1 ), array( $menu_obj ) ); |
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} |
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// Make sure the menu objects get re-sorted after an update/insert. |
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if ( ! $is_delete && ! empty( $args['orderby'] ) ) { |
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$menus = wp_list_sort( |
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$menus, |
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array( |
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$args['orderby'] => 'ASC', |
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) |
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); |
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} |
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// @todo add support for $args['hide_empty'] === true |
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return $menus; |
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} |
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/** |
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* Temporary non-closure passing of orderby value to function. |
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* |
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* @since 4.3.0 |
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* @var string |
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* |
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* @see WP_Customize_Nav_Menu_Setting::filter_wp_get_nav_menus() |
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* @see WP_Customize_Nav_Menu_Setting::_sort_menus_by_orderby() |
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*/ |
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protected $_current_menus_sort_orderby; |
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/** |
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* Sort menu objects by the class-supplied orderby property. |
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* |
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* This is a workaround for a lack of closures. |
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* |
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* @since 4.3.0 |
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* @deprecated 4.7.0 Use wp_list_sort() |
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* |
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* @param object $menu1 |
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* @param object $menu2 |
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* @return int |
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* |
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* @see WP_Customize_Nav_Menu_Setting::filter_wp_get_nav_menus() |
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*/ |
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protected function _sort_menus_by_orderby( $menu1, $menu2 ) { |
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_deprecated_function( __METHOD__, '4.7.0', 'wp_list_sort' ); |
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$key = $this->_current_menus_sort_orderby; |
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return strcmp( $menu1->$key, $menu2->$key ); |
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} |
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/** |
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* Filters the wp_get_nav_menu_object() result to supply the previewed menu object. |
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* |
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* Requesting a nav_menu object by anything but ID is not supported. |
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* |
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* @since 4.3.0 |
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* |
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* @see wp_get_nav_menu_object() |
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* |
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* @param object|null $menu_obj Object returned by wp_get_nav_menu_object(). |
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* @param string $menu_id ID of the nav_menu term. Requests by slug or name will be ignored. |
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* @return object|null |
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*/ |
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public function filter_wp_get_nav_menu_object( $menu_obj, $menu_id ) { |
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$ok = ( |
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get_current_blog_id() === $this->_previewed_blog_id |
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&& |
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is_int( $menu_id ) |
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&& |
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$menu_id === $this->term_id |
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); |
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if ( ! $ok ) { |
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return $menu_obj; |
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} |
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$setting_value = $this->value(); |
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// Handle deleted menus. |
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if ( false === $setting_value ) { |
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return false; |
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} |
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// Handle sanitization failure by preventing short-circuiting. |
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if ( null === $setting_value ) { |
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return $menu_obj; |
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} |
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$menu_obj = (object) array_merge( |
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array( |
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'term_id' => $this->term_id, |
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'term_taxonomy_id' => $this->term_id, |
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'slug' => sanitize_title( $setting_value['name'] ), |
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'count' => 0, |
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'term_group' => 0, |
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'taxonomy' => self::TAXONOMY, |
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'filter' => 'raw', |
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), |
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$setting_value |
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); |
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return $menu_obj; |
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} |
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/** |
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* Filters the nav_menu_options option to include this menu's auto_add preference. |
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* |
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* @since 4.3.0 |
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* |
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* @param array $nav_menu_options Nav menu options including auto_add. |
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* @return array (Kaybe) modified nav menu options. |
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*/ |
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public function filter_nav_menu_options( $nav_menu_options ) { |
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if ( $this->_previewed_blog_id !== get_current_blog_id() ) { |
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return $nav_menu_options; |
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} |
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$menu = $this->value(); |
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$nav_menu_options = $this->filter_nav_menu_options_value( |
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$nav_menu_options, |
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$this->term_id, |
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false === $menu ? false : $menu['auto_add'] |
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); |
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return $nav_menu_options; |
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} |
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/** |
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* Sanitize an input. |
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* |
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* Note that parent::sanitize() erroneously does wp_unslash() on $value, but |
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* we remove that in this override. |
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* |
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* @since 4.3.0 |
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* |
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* @param array $value The value to sanitize. |
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* @return array|false|null Null if an input isn't valid. False if it is marked for deletion. |
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* Otherwise the sanitized value. |
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*/ |
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public function sanitize( $value ) { |
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// Menu is marked for deletion. |
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if ( false === $value ) { |
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return $value; |
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} |
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// Invalid. |
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if ( ! is_array( $value ) ) { |
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return null; |
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} |
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$default = array( |
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'name' => '', |
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'description' => '', |
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'parent' => 0, |
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'auto_add' => false, |
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); |
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$value = array_merge( $default, $value ); |
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$value = wp_array_slice_assoc( $value, array_keys( $default ) ); |
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$value['name'] = trim( esc_html( $value['name'] ) ); // This sanitization code is used in wp-admin/nav-menus.php. |
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$value['description'] = sanitize_text_field( $value['description'] ); |
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$value['parent'] = max( 0, intval( $value['parent'] ) ); |
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$value['auto_add'] = ! empty( $value['auto_add'] ); |
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if ( '' === $value['name'] ) { |
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$value['name'] = _x( '(unnamed)', 'Missing menu name.' ); |
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} |
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/** This filter is documented in wp-includes/class-wp-customize-setting.php */ |
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return apply_filters( "customize_sanitize_{$this->id}", $value, $this ); |
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} |
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/** |
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* Storage for data to be sent back to client in customize_save_response filter. |
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* |
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* See {@see 'customize_save_response'}. |
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* |
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* @since 4.3.0 |
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* @var array |
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* |
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* @see WP_Customize_Nav_Menu_Setting::amend_customize_save_response() |
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*/ |
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protected $_widget_nav_menu_updates = array(); |
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/** |
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* Create/update the nav_menu term for this setting. |
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* |
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* Any created menus will have their assigned term IDs exported to the client |
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* via the {@see 'customize_save_response'} filter. Likewise, any errors will be exported |
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* to the client via the customize_save_response() filter. |
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* |
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* To delete a menu, the client can send false as the value. |
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* |
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* @since 4.3.0 |
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* |
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* @see wp_update_nav_menu_object() |
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* |
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* @param array|false $value { |
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* The value to update. Note that slug cannot be updated via wp_update_nav_menu_object(). |
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* If false, then the menu will be deleted entirely. |
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* |
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* @type string $name The name of the menu to save. |
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* @type string $description The term description. Default empty string. |
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* @type int $parent The id of the parent term. Default 0. |
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* @type bool $auto_add Whether pages will auto_add to this menu. Default false. |
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* } |
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* @return null|void |
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*/ |
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protected function update( $value ) { |
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if ( $this->is_updated ) { |
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return; |
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} |
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$this->is_updated = true; |
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$is_placeholder = ( $this->term_id < 0 ); |
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$is_delete = ( false === $value ); |
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add_filter( 'customize_save_response', array( $this, 'amend_customize_save_response' ) ); |
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$auto_add = null; |
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if ( $is_delete ) { |
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// If the current setting term is a placeholder, a delete request is a no-op. |
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if ( $is_placeholder ) { |
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$this->update_status = 'deleted'; |
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} else { |
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$r = wp_delete_nav_menu( $this->term_id ); |
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if ( is_wp_error( $r ) ) { |
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$this->update_status = 'error'; |
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$this->update_error = $r; |
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} else { |
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$this->update_status = 'deleted'; |
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$auto_add = false; |
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} |
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} |
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} else { |
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// Insert or update menu. |
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$menu_data = wp_array_slice_assoc( $value, array( 'description', 'parent' ) ); |
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$menu_data['menu-name'] = $value['name']; |
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$menu_id = $is_placeholder ? 0 : $this->term_id; |
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$r = wp_update_nav_menu_object( $menu_id, wp_slash( $menu_data ) ); |
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$original_name = $menu_data['menu-name']; |
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$name_conflict_suffix = 1; |
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while ( is_wp_error( $r ) && 'menu_exists' === $r->get_error_code() ) { |
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$name_conflict_suffix += 1; |
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/* translators: 1: Original menu name, 2: Duplicate count. */ |
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$menu_data['menu-name'] = sprintf( __( '%1$s (%2$d)' ), $original_name, $name_conflict_suffix ); |
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$r = wp_update_nav_menu_object( $menu_id, wp_slash( $menu_data ) ); |
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} |
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|
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if ( is_wp_error( $r ) ) { |
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$this->update_status = 'error'; |
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$this->update_error = $r; |
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} else { |
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if ( $is_placeholder ) { |
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$this->previous_term_id = $this->term_id; |
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$this->term_id = $r; |
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$this->update_status = 'inserted'; |
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} else { |
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$this->update_status = 'updated'; |
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} |
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$auto_add = $value['auto_add']; |
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} |
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} |
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if ( null !== $auto_add ) { |
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$nav_menu_options = $this->filter_nav_menu_options_value( |
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(array) get_option( 'nav_menu_options', array() ), |
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$this->term_id, |
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$auto_add |
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); |
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update_option( 'nav_menu_options', $nav_menu_options ); |
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} |
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|
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if ( 'inserted' === $this->update_status ) { |
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// Make sure that new menus assigned to nav menu locations use their new IDs. |
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foreach ( $this->manager->settings() as $setting ) { |
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if ( ! preg_match( '/^nav_menu_locations\[/', $setting->id ) ) { |
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continue; |
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} |
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|
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$post_value = $setting->post_value( null ); |
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if ( ! is_null( $post_value ) && $this->previous_term_id === intval( $post_value ) ) { |
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$this->manager->set_post_value( $setting->id, $this->term_id ); |
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$setting->save(); |
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} |
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} |
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|
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// Make sure that any nav_menu widgets referencing the placeholder nav menu get updated and sent back to client. |
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foreach ( array_keys( $this->manager->unsanitized_post_values() ) as $setting_id ) { |
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$nav_menu_widget_setting = $this->manager->get_setting( $setting_id ); |
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if ( ! $nav_menu_widget_setting || ! preg_match( '/^widget_nav_menu\[/', $nav_menu_widget_setting->id ) ) { |
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continue; |
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} |
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|
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$widget_instance = $nav_menu_widget_setting->post_value(); // Note that this calls WP_Customize_Widgets::sanitize_widget_instance(). |
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if ( empty( $widget_instance['nav_menu'] ) || intval( $widget_instance['nav_menu'] ) !== $this->previous_term_id ) { |
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continue; |
|
} |
|
|
|
$widget_instance['nav_menu'] = $this->term_id; |
|
$updated_widget_instance = $this->manager->widgets->sanitize_widget_js_instance( $widget_instance ); |
|
$this->manager->set_post_value( $nav_menu_widget_setting->id, $updated_widget_instance ); |
|
$nav_menu_widget_setting->save(); |
|
|
|
$this->_widget_nav_menu_updates[ $nav_menu_widget_setting->id ] = $updated_widget_instance; |
|
} |
|
} |
|
} |
|
|
|
/** |
|
* Updates a nav_menu_options array. |
|
* |
|
* @since 4.3.0 |
|
* |
|
* @see WP_Customize_Nav_Menu_Setting::filter_nav_menu_options() |
|
* @see WP_Customize_Nav_Menu_Setting::update() |
|
* |
|
* @param array $nav_menu_options Array as returned by get_option( 'nav_menu_options' ). |
|
* @param int $menu_id The term ID for the given menu. |
|
* @param bool $auto_add Whether to auto-add or not. |
|
* @return array (Maybe) modified nav_menu_otions array. |
|
*/ |
|
protected function filter_nav_menu_options_value( $nav_menu_options, $menu_id, $auto_add ) { |
|
$nav_menu_options = (array) $nav_menu_options; |
|
if ( ! isset( $nav_menu_options['auto_add'] ) ) { |
|
$nav_menu_options['auto_add'] = array(); |
|
} |
|
|
|
$i = array_search( $menu_id, $nav_menu_options['auto_add'] ); |
|
if ( $auto_add && false === $i ) { |
|
array_push( $nav_menu_options['auto_add'], $this->term_id ); |
|
} elseif ( ! $auto_add && false !== $i ) { |
|
array_splice( $nav_menu_options['auto_add'], $i, 1 ); |
|
} |
|
|
|
return $nav_menu_options; |
|
} |
|
|
|
/** |
|
* Export data for the JS client. |
|
* |
|
* @since 4.3.0 |
|
* |
|
* @see WP_Customize_Nav_Menu_Setting::update() |
|
* |
|
* @param array $data Additional information passed back to the 'saved' event on `wp.customize`. |
|
* @return array Export data. |
|
*/ |
|
public function amend_customize_save_response( $data ) { |
|
if ( ! isset( $data['nav_menu_updates'] ) ) { |
|
$data['nav_menu_updates'] = array(); |
|
} |
|
if ( ! isset( $data['widget_nav_menu_updates'] ) ) { |
|
$data['widget_nav_menu_updates'] = array(); |
|
} |
|
|
|
$data['nav_menu_updates'][] = array( |
|
'term_id' => $this->term_id, |
|
'previous_term_id' => $this->previous_term_id, |
|
'error' => $this->update_error ? $this->update_error->get_error_code() : null, |
|
'status' => $this->update_status, |
|
'saved_value' => 'deleted' === $this->update_status ? null : $this->value(), |
|
); |
|
|
|
$data['widget_nav_menu_updates'] = array_merge( |
|
$data['widget_nav_menu_updates'], |
|
$this->_widget_nav_menu_updates |
|
); |
|
$this->_widget_nav_menu_updates = array(); |
|
|
|
return $data; |
|
} |
|
}
|
|
|