204 lines
6.1 KiB
PHP
204 lines
6.1 KiB
PHP
<?php
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/**
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* Blocks API: WP_Block_Styles_Registry class
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*
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* @package WordPress
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* @subpackage Blocks
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* @since 5.3.0
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*/
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/**
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* Class used for interacting with block styles.
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*
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* @since 5.3.0
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*/
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#[AllowDynamicProperties]
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final class WP_Block_Styles_Registry {
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/**
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* Registered block styles, as `$block_name => $block_style_name => $block_style_properties` multidimensional arrays.
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*
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* @since 5.3.0
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*
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* @var array[]
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*/
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private $registered_block_styles = array();
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/**
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* Container for the main instance of the class.
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*
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* @since 5.3.0
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*
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* @var WP_Block_Styles_Registry|null
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*/
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private static $instance = null;
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/**
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* Registers a block style for the given block type.
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*
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* If the block styles are present in a standalone stylesheet, register it and pass
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* its handle as the `style_handle` argument. If the block styles should be inline,
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* use the `inline_style` argument. Usually, one of them would be used to pass CSS
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* styles. However, you could also skip them and provide CSS styles in any stylesheet
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* or with an inline tag.
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*
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* @since 5.3.0
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* @since 6.6.0 Added ability to register style across multiple block types along with theme.json-like style data.
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*
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* @link https://developer.wordpress.org/block-editor/reference-guides/block-api/block-styles/
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*
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* @param string|string[] $block_name Block type name including namespace or array of namespaced block type names.
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* @param array $style_properties {
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* Array containing the properties of the style.
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*
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* @type string $name The identifier of the style used to compute a CSS class.
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* @type string $label A human-readable label for the style.
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* @type string $inline_style Inline CSS code that registers the CSS class required
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* for the style.
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* @type string $style_handle The handle to an already registered style that should be
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* enqueued in places where block styles are needed.
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* @type bool $is_default Whether this is the default style for the block type.
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* @type array $style_data Theme.json-like object to generate CSS from.
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* }
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* @return bool True if the block style was registered with success and false otherwise.
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*/
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public function register( $block_name, $style_properties ) {
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if ( ! is_string( $block_name ) && ! is_array( $block_name ) ) {
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_doing_it_wrong(
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__METHOD__,
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__( 'Block name must be a string or array.' ),
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'6.6.0'
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);
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return false;
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}
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if ( ! isset( $style_properties['name'] ) || ! is_string( $style_properties['name'] ) ) {
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_doing_it_wrong(
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__METHOD__,
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__( 'Block style name must be a string.' ),
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'5.3.0'
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);
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return false;
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}
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if ( str_contains( $style_properties['name'], ' ' ) ) {
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_doing_it_wrong(
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__METHOD__,
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__( 'Block style name must not contain any spaces.' ),
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'5.9.0'
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);
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return false;
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}
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$block_style_name = $style_properties['name'];
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$block_names = is_string( $block_name ) ? array( $block_name ) : $block_name;
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foreach ( $block_names as $name ) {
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if ( ! isset( $this->registered_block_styles[ $name ] ) ) {
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$this->registered_block_styles[ $name ] = array();
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}
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$this->registered_block_styles[ $name ][ $block_style_name ] = $style_properties;
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}
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return true;
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}
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/**
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* Unregisters a block style of the given block type.
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*
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* @since 5.3.0
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*
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* @param string $block_name Block type name including namespace.
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* @param string $block_style_name Block style name.
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* @return bool True if the block style was unregistered with success and false otherwise.
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*/
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public function unregister( $block_name, $block_style_name ) {
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if ( ! $this->is_registered( $block_name, $block_style_name ) ) {
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_doing_it_wrong(
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__METHOD__,
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/* translators: 1: Block name, 2: Block style name. */
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sprintf( __( 'Block "%1$s" does not contain a style named "%2$s".' ), $block_name, $block_style_name ),
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'5.3.0'
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);
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return false;
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}
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unset( $this->registered_block_styles[ $block_name ][ $block_style_name ] );
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return true;
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}
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/**
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* Retrieves the properties of a registered block style for the given block type.
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*
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* @since 5.3.0
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*
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* @param string $block_name Block type name including namespace.
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* @param string $block_style_name Block style name.
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* @return array Registered block style properties.
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*/
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public function get_registered( $block_name, $block_style_name ) {
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if ( ! $this->is_registered( $block_name, $block_style_name ) ) {
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return null;
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}
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return $this->registered_block_styles[ $block_name ][ $block_style_name ];
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}
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/**
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* Retrieves all registered block styles.
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*
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* @since 5.3.0
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*
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* @return array[] Array of arrays containing the registered block styles properties grouped by block type.
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*/
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public function get_all_registered() {
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return $this->registered_block_styles;
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}
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/**
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* Retrieves registered block styles for a specific block type.
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*
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* @since 5.3.0
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*
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* @param string $block_name Block type name including namespace.
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* @return array[] Array whose keys are block style names and whose values are block style properties.
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*/
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public function get_registered_styles_for_block( $block_name ) {
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if ( isset( $this->registered_block_styles[ $block_name ] ) ) {
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return $this->registered_block_styles[ $block_name ];
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}
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return array();
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}
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/**
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* Checks if a block style is registered for the given block type.
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*
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* @since 5.3.0
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*
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* @param string $block_name Block type name including namespace.
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* @param string $block_style_name Block style name.
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* @return bool True if the block style is registered, false otherwise.
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*/
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public function is_registered( $block_name, $block_style_name ) {
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return isset( $this->registered_block_styles[ $block_name ][ $block_style_name ] );
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}
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/**
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* Utility method to retrieve the main instance of the class.
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*
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* The instance will be created if it does not exist yet.
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*
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* @since 5.3.0
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*
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* @return WP_Block_Styles_Registry The main instance.
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*/
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public static function get_instance() {
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if ( null === self::$instance ) {
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self::$instance = new self();
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}
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return self::$instance;
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}
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}
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