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<?php |
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/** |
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* REST API: WP_REST_Widget_Types_Controller class |
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* |
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* @package WordPress |
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* @subpackage REST_API |
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* @since x.x.0 |
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*/ |
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|
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/** |
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* Core class used to access widget types via the REST API. |
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* |
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* @since x.x.0 |
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* |
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* @see WP_REST_Controller |
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*/ |
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class WP_REST_Widget_Types_Controller extends WP_REST_Controller { |
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|
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/** |
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* Constructor. |
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* |
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* @since x.x.0 |
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*/ |
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public function __construct() { |
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$this->namespace = 'wp/v2'; |
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$this->rest_base = 'widget-types'; |
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} |
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|
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/** |
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* Registers the routes for the objects of the controller. |
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* |
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* @since x.x.0 |
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* |
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* @see register_rest_route() |
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*/ |
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public function register_routes() { |
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|
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register_rest_route( |
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$this->namespace, |
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'/' . $this->rest_base, |
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array( |
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array( |
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'methods' => WP_REST_Server::READABLE, |
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'callback' => array( $this, 'get_items' ), |
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'permission_callback' => array( $this, 'get_items_permissions_check' ), |
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'args' => $this->get_collection_params(), |
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), |
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'schema' => array( $this, 'get_public_item_schema' ), |
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) |
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); |
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|
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register_rest_route( |
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$this->namespace, |
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'/' . $this->rest_base . '/(?P<name>[a-zA-Z0-9_-]+)/form-renderer', |
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array( |
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'args' => array( |
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'name' => array( |
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'description' => __( 'Name of the widget.', 'gutenberg' ), |
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'type' => 'string', |
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'required' => true, |
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), |
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'instance' => array( |
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'description' => __( 'Current widget instance', 'gutenberg' ), |
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'type' => 'object', |
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'default' => array(), |
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), |
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), |
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array( |
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'methods' => WP_REST_Server::CREATABLE, |
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'permission_callback' => array( $this, 'get_item_permissions_check' ), |
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'callback' => array( $this, 'get_widget_form' ), |
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'args' => array( |
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'context' => $this->get_context_param( array( 'default' => 'edit' ) ), |
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), |
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), |
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) |
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); |
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|
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register_rest_route( |
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$this->namespace, |
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'/' . $this->rest_base . '/(?P<name>[a-zA-Z0-9_-]+)', |
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array( |
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'args' => array( |
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'name' => array( |
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'description' => __( 'Widget name.', 'gutenberg' ), |
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'type' => 'string', |
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), |
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), |
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array( |
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'methods' => WP_REST_Server::READABLE, |
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'callback' => array( $this, 'get_item' ), |
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'permission_callback' => array( $this, 'get_item_permissions_check' ), |
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'args' => $this->get_collection_params(), |
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), |
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'schema' => array( $this, 'get_public_item_schema' ), |
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) |
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); |
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} |
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|
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/** |
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* Checks whether a given request has permission to read post widget types. |
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* |
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* @since x.x.0 |
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* |
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* @param WP_REST_Request $request Full details about the request. |
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* @return WP_Error|bool True if the request has read access, WP_Error object otherwise. |
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*/ |
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public function get_items_permissions_check( $request ) { // phpcs:ignore VariableAnalysis.CodeAnalysis.VariableAnalysis.UnusedVariable |
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return $this->check_read_permission(); |
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} |
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|
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/** |
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* Retrieves all post widget types, depending on user context. |
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* |
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* @since x.x.0 |
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* |
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* @param WP_REST_Request $request Full details about the request. |
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* @return WP_Error|WP_REST_Response Response object on success, or WP_Error object on failure. |
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*/ |
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public function get_items( $request ) { |
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$data = array(); |
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foreach ( $this->get_widgets() as $widget ) { |
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$widget_type = $this->prepare_item_for_response( $widget, $request ); |
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$data[] = $this->prepare_response_for_collection( $widget_type ); |
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} |
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|
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return rest_ensure_response( $data ); |
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} |
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|
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/** |
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* Checks if a given request has access to read a widget type. |
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* |
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* @since x.x.0 |
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* |
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* @param WP_REST_Request $request Full details about the request. |
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* @return WP_Error|bool True if the request has read access for the item, WP_Error object otherwise. |
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*/ |
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public function get_item_permissions_check( $request ) { |
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$check = $this->check_read_permission(); |
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if ( is_wp_error( $check ) ) { |
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return $check; |
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} |
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$widget_name = $request['name']; |
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$widget_type = $this->get_widget( $widget_name ); |
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if ( is_wp_error( $widget_type ) ) { |
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return $widget_type; |
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} |
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|
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return true; |
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} |
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|
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/** |
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* Checks whether a given widget type should be visible. |
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* |
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* @since x.x.0 |
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* |
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* @return WP_Error|bool True if the widget type is visible, WP_Error otherwise. |
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*/ |
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protected function check_read_permission() { |
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if ( ! current_user_can( 'edit_theme_options' ) ) { |
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return new WP_Error( |
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'widgets_cannot_access', |
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__( 'Sorry, you are not allowed to access widgets on this site.', 'gutenberg' ), |
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array( |
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'status' => rest_authorization_required_code(), |
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) |
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); |
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} |
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|
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return true; |
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} |
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|
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/** |
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* Get the widget, if the name is valid. |
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* |
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* @since x.x.0 |
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* |
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* @param string $name Widget name. |
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* @return WP_Widget|WP_Error Widget type object if name is valid, WP_Error otherwise. |
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*/ |
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public function get_widget( $name ) { |
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foreach ( $this->get_widgets() as $widget ) { |
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if ( $name === $widget['id'] ) { |
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return $widget; |
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} |
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} |
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|
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return new WP_Error( 'rest_widget_type_invalid', __( 'Invalid widget type.', 'gutenberg' ), array( 'status' => 404 ) ); |
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} |
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|
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/** |
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* Normalize array of widgets. |
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* |
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* @return array Array of widgets. |
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*/ |
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protected function get_widgets() { |
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global $wp_registered_widgets; |
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|
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$widgets = array(); |
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foreach ( $wp_registered_widgets as $widget ) { |
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$widget_callback = $widget['callback']; |
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unset( $widget['callback'] ); |
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|
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if ( is_array( $widget_callback ) && $widget_callback[0] instanceof WP_Widget ) { |
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$widget_class = $widget_callback[0]; |
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$widget_array = (array) $widget_class; |
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$widget = array_merge( $widget, $widget_array ); |
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$widget['id'] = $widget['id_base']; |
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$widget['widget_class'] = get_class( $widget_class ); |
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} else { |
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unset( $widget['classname'] ); |
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} |
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$widgets[] = $widget; |
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} |
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|
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return $widgets; |
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} |
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|
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/** |
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* Retrieves a specific widget type. |
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* |
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* @since x.x.0 |
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* |
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* @param WP_REST_Request $request Full details about the request. |
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* @return WP_Error|WP_REST_Response Response object on success, or WP_Error object on failure. |
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*/ |
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public function get_item( $request ) { |
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$widget_name = $request['name']; |
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$widget_type = $this->get_widget( $widget_name ); |
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if ( is_wp_error( $widget_type ) ) { |
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return $widget_type; |
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} |
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$data = $this->prepare_item_for_response( $widget_type, $request ); |
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|
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return rest_ensure_response( $data ); |
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} |
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|
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/** |
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* Prepares a widget type object for serialization. |
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* |
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* @since x.x.0 |
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* |
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* @param array $widget_type Widget type data. |
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* @param WP_REST_Request $request Full details about the request. |
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* @return WP_REST_Response Widget type data. |
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*/ |
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public function prepare_item_for_response( $widget_type, $request ) { |
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|
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$fields = $this->get_fields_for_response( $request ); |
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$data = array(); |
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|
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$schema = $this->get_item_schema(); |
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$extra_fields = array( |
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'name', |
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'id', |
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'description', |
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'classname', |
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'widget_class', |
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'option_name', |
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'customize_selective_refresh', |
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); |
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|
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foreach ( $extra_fields as $extra_field ) { |
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if ( rest_is_field_included( $extra_field, $fields ) ) { |
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if ( isset( $widget_type[ $extra_field ] ) ) { |
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$field = $widget_type[ $extra_field ]; |
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} elseif ( array_key_exists( 'default', $schema['properties'][ $extra_field ] ) ) { |
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$field = $schema['properties'][ $extra_field ]['default']; |
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} else { |
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$field = ''; |
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} |
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|
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$data[ $extra_field ] = rest_sanitize_value_from_schema( $field, $schema['properties'][ $extra_field ] ); |
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} |
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} |
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|
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$context = ! empty( $request['context'] ) ? $request['context'] : 'view'; |
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$data = $this->add_additional_fields_to_object( $data, $request ); |
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$data = $this->filter_response_by_context( $data, $context ); |
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|
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$response = rest_ensure_response( $data ); |
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|
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$response->add_links( $this->prepare_links( $widget_type ) ); |
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|
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/** |
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* Filters a widget type returned from the REST API. |
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* |
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* Allows modification of the widget type data right before it is returned. |
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* |
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* @since x.x.0 |
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* |
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* @param WP_REST_Response $response The response object. |
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* @param WP_Widget $widget_type The original widget type object. |
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* @param WP_REST_Request $request Request used to generate the response. |
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*/ |
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return apply_filters( 'rest_prepare_widget_type', $response, $widget_type, $request ); |
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} |
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|
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/** |
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* Prepares links for the request. |
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* |
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* @since x.x.0 |
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* |
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* @param WP_Widget $widget_type Widget type data. |
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* @return array Links for the given widget type. |
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*/ |
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protected function prepare_links( $widget_type ) { |
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$links = array( |
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'collection' => array( |
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'href' => rest_url( sprintf( '%s/%s', $this->namespace, $this->rest_base ) ), |
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), |
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'self' => array( |
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'href' => rest_url( sprintf( '%s/%s/%s', $this->namespace, $this->rest_base, $widget_type['id'] ) ), |
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), |
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); |
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|
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return $links; |
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} |
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|
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/** |
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* Retrieves the widget type' schema, conforming to JSON Schema. |
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* |
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* @since x.x.0 |
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* |
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* @return array Item schema data. |
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*/ |
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public function get_item_schema() { |
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if ( $this->schema ) { |
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return $this->add_additional_fields_schema( $this->schema ); |
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} |
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|
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$schema = array( |
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'$schema' => 'http://json-schema.org/draft-04/schema#', |
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'title' => 'widget-type', |
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'type' => 'object', |
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'properties' => array( |
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'name' => array( |
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'description' => __( 'Unique name identifying the widget type.', 'gutenberg' ), |
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'type' => 'string', |
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'default' => '', |
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'context' => array( 'embed', 'view', 'edit' ), |
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'readonly' => true, |
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), |
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'id' => array( |
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'description' => __( 'Unique name identifying the widget type.', 'gutenberg' ), |
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'type' => 'string', |
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'default' => '', |
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'context' => array( 'embed', 'view', 'edit' ), |
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'readonly' => true, |
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), |
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'description' => array( |
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'description' => __( 'Description of the widget.', 'gutenberg' ), |
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'type' => 'string', |
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'default' => '', |
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'context' => array( 'view', 'edit', 'embed' ), |
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), |
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'classname' => array( |
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'description' => __( 'Class name', 'gutenberg' ), |
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'type' => 'string', |
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'default' => '', |
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'context' => array( 'embed', 'view', 'edit' ), |
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'readonly' => true, |
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), |
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'option_name' => array( |
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'description' => __( 'Option name.', 'gutenberg' ), |
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'type' => 'string', |
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'default' => '', |
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'context' => array( 'embed', 'view', 'edit' ), |
| 369 |
'readonly' => true, |
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), |
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'widget_class' => array( |
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'description' => __( 'Widget class name.', 'gutenberg' ), |
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'type' => 'string', |
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'default' => '', |
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'context' => array( 'embed', 'view', 'edit' ), |
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'readonly' => true, |
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), |
| 378 |
'customize_selective_refresh' => array( |
| 379 |
'description' => __( 'Customize selective refresh.', 'gutenberg' ), |
| 380 |
'type' => 'boolean', |
| 381 |
'default' => false, |
| 382 |
'context' => array( 'embed', 'view', 'edit' ), |
| 383 |
'readonly' => true, |
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), |
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), |
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); |
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|
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$this->schema = $schema; |
| 389 |
|
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return $this->add_additional_fields_schema( $this->schema ); |
| 391 |
} |
| 392 |
|
| 393 |
/** |
| 394 |
* Returns the new widget instance and the form that represents it. |
| 395 |
* |
| 396 |
* @param WP_REST_Request $request Full details about the request. |
| 397 |
* |
| 398 |
* @return WP_REST_Response|WP_Error Response object on success, or WP_Error object on failure. |
| 399 |
* @since 5.7.0 |
| 400 |
* @access public |
| 401 |
*/ |
| 402 |
public function get_widget_form( $request ) { |
| 403 |
$instance = $request->get_param( 'instance' ); |
| 404 |
|
| 405 |
$widget_name = $request['name']; |
| 406 |
$widget = $this->get_widget( $widget_name ); |
| 407 |
$widget_obj = new $widget['widget_class']; |
| 408 |
$widget_obj->_set( -1 ); |
| 409 |
ob_start(); |
| 410 |
|
| 411 |
$instance = apply_filters( 'widget_form_callback', $instance, $widget_obj ); |
| 412 |
|
| 413 |
$return = null; |
| 414 |
if ( false !== $instance ) { |
| 415 |
$return = $widget_obj->form( $instance ); |
| 416 |
|
| 417 |
/** |
| 418 |
* Fires at the end of the widget control form. |
| 419 |
* |
| 420 |
* Use this hook to add extra fields to the widget form. The hook |
| 421 |
* is only fired if the value passed to the 'widget_form_callback' |
| 422 |
* hook is not false. |
| 423 |
* |
| 424 |
* Note: If the widget has no form, the text echoed from the default |
| 425 |
* form method can be hidden using CSS. |
| 426 |
* |
| 427 |
* @param WP_Widget $widget_obj The widget instance (passed by reference). |
| 428 |
* @param null $return Return null if new fields are added. |
| 429 |
* @param array $instance An array of the widget's settings. |
| 430 |
* |
| 431 |
* @since 5.2.0 |
| 432 |
*/ |
| 433 |
do_action_ref_array( 'in_widget_form', array( &$widget_obj, &$return, $instance ) ); |
| 434 |
} |
| 435 |
$form = ob_get_clean(); |
| 436 |
|
| 437 |
return rest_ensure_response( |
| 438 |
array( |
| 439 |
'instance' => $instance, |
| 440 |
'form' => $form, |
| 441 |
) |
| 442 |
); |
| 443 |
} |
| 444 |
|
| 445 |
/** |
| 446 |
* Retrieves the query params for collections. |
| 447 |
* |
| 448 |
* @since 5.5.0 |
| 449 |
* |
| 450 |
* @return array Collection parameters. |
| 451 |
*/ |
| 452 |
public function get_collection_params() { |
| 453 |
return array( |
| 454 |
'context' => $this->get_context_param( array( 'default' => 'view' ) ), |
| 455 |
); |
| 456 |
} |
| 457 |
|
| 458 |
} |
| 459 |
|
