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<?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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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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* @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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* @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. |
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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 array $style_properties Array containing the properties of the style name, label, |
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* is_default, style_handle (name of the stylesheet to be enqueued), |
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* inline_style (string containing the CSS to be added). |
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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 ( ! isset( $block_name ) || ! is_string( $block_name ) ) { |
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_doing_it_wrong( |
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__METHOD__, |
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__( 'Block 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 ( ! isset( $style_properties['name'] ) || ! is_string( $style_properties['name'] ) ) { |
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_doing_it_wrong( |
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__METHOD__, |
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__( 'Block style name must be a string.' ), |
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'5.3.0' |
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); |
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return false; |
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} |
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$block_style_name = $style_properties['name']; |
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if ( ! isset( $this->registered_block_styles[ $block_name ] ) ) { |
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$this->registered_block_styles[ $block_name ] = array(); |
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} |
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$this->registered_block_styles[ $block_name ][ $block_style_name ] = $style_properties; |
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return true; |
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} |
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/** |
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* Unregisters a block style. |
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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 an array containing the properties of a registered block style. |
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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 per block, |
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* and per style. |
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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. |
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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 value 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. |
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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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} |