context['postId'] ) ) { return ''; } $post_ID = $block->context['postId']; $is_link = isset( $attributes['isLink'] ) && $attributes['isLink']; $size_slug = isset( $attributes['sizeSlug'] ) ? $attributes['sizeSlug'] : 'post-thumbnail'; $post_title = trim( strip_tags( get_the_title( $post_ID ) ) ); $attr = get_block_core_post_featured_image_border_attributes( $attributes ); $overlay_markup = get_block_core_post_featured_image_overlay_element_markup( $attributes ); if ( $is_link ) { $attr['alt'] = $post_title; } if ( ! empty( $attributes['height'] ) ) { $extra_styles = "height:{$attributes['height']};"; if ( ! empty( $attributes['scale'] ) ) { $extra_styles .= "object-fit:{$attributes['scale']};"; } $attr['style'] = empty( $attr['style'] ) ? $extra_styles : $attr['style'] . $extra_styles; } $featured_image = get_the_post_thumbnail( $post_ID, $size_slug, $attr ); if ( ! $featured_image ) { return ''; } if ( $is_link ) { $link_target = $attributes['linkTarget']; $rel = ! empty( $attributes['rel'] ) ? 'rel="' . esc_attr( $attributes['rel'] ) . '"' : ''; $featured_image = sprintf( '%4$s%5$s', get_the_permalink( $post_ID ), esc_attr( $link_target ), $rel, $featured_image, $overlay_markup ); } else { $featured_image = $featured_image . $overlay_markup; } $wrapper_attributes = empty( $attributes['width'] ) ? get_block_wrapper_attributes() : get_block_wrapper_attributes( array( 'style' => "width:{$attributes['width']};" ) ); return "
{$featured_image}
"; } /** * Generate markup for the HTML element that will be used for the overlay. * * @param array $attributes Block attributes. * * @return string HTML markup in string format. */ function get_block_core_post_featured_image_overlay_element_markup( $attributes ) { $has_dim_background = isset( $attributes['dimRatio'] ) && $attributes['dimRatio']; $has_gradient = isset( $attributes['gradient'] ) && $attributes['gradient']; $has_custom_gradient = isset( $attributes['customGradient'] ) && $attributes['customGradient']; $has_solid_overlay = isset( $attributes['overlayColor'] ) && $attributes['overlayColor']; $has_custom_overlay = isset( $attributes['customOverlayColor'] ) && $attributes['customOverlayColor']; $class_names = array( 'wp-block-post-featured-image__overlay' ); $styles = array(); if ( ! $has_dim_background ) { return ''; } // Apply border classes and styles. $border_attributes = get_block_core_post_featured_image_border_attributes( $attributes ); if ( ! empty( $border_attributes['class'] ) ) { $class_names[] = $border_attributes['class']; } if ( ! empty( $border_attributes['style'] ) ) { $styles[] = $border_attributes['style']; } // Apply overlay and gradient classes. if ( $has_dim_background ) { $class_names[] = 'has-background-dim'; $class_names[] = "has-background-dim-{$attributes['dimRatio']}"; } if ( $has_solid_overlay ) { $class_names[] = "has-{$attributes['overlayColor']}-background-color"; } if ( $has_gradient || $has_custom_gradient ) { $class_names[] = 'has-background-gradient'; } if ( $has_gradient ) { $class_names[] = "has-{$attributes['gradient']}-gradient-background"; } // Apply background styles. if ( $has_custom_gradient ) { $styles[] = sprintf( 'background-image: %s;', $attributes['customGradient'] ); } if ( $has_custom_overlay ) { $styles[] = sprintf( 'background-color: %s;', $attributes['customOverlayColor'] ); } return sprintf( '', esc_attr( implode( ' ', $class_names ) ), esc_attr( safecss_filter_attr( implode( ' ', $styles ) ) ) ); } /** * Generates class names and styles to apply the border support styles for * the Post Featured Image block. * * @param array $attributes The block attributes. * @return array The border-related classnames and styles for the block. */ function get_block_core_post_featured_image_border_attributes( $attributes ) { $border_styles = array(); $sides = array( 'top', 'right', 'bottom', 'left' ); // Border radius. if ( isset( $attributes['style']['border']['radius'] ) ) { $border_styles['radius'] = $attributes['style']['border']['radius']; } // Border style. if ( isset( $attributes['style']['border']['style'] ) ) { $border_styles['style'] = $attributes['style']['border']['style']; } // Border width. if ( isset( $attributes['style']['border']['width'] ) ) { $border_styles['width'] = $attributes['style']['border']['width']; } // Border color. $preset_color = array_key_exists( 'borderColor', $attributes ) ? "var:preset|color|{$attributes['borderColor']}" : null; $custom_color = _wp_array_get( $attributes, array( 'style', 'border', 'color' ), null ); $border_styles['color'] = $preset_color ? $preset_color : $custom_color; // Individual border styles e.g. top, left etc. foreach ( $sides as $side ) { $border = _wp_array_get( $attributes, array( 'style', 'border', $side ), null ); $border_styles[ $side ] = array( 'color' => isset( $border['color'] ) ? $border['color'] : null, 'style' => isset( $border['style'] ) ? $border['style'] : null, 'width' => isset( $border['width'] ) ? $border['width'] : null, ); } $styles = wp_style_engine_get_styles( array( 'border' => $border_styles ) ); $attributes = array(); if ( ! empty( $styles['classnames'] ) ) { $attributes['class'] = $styles['classnames']; } if ( ! empty( $styles['css'] ) ) { $attributes['style'] = $styles['css']; } return $attributes; } /** * Registers the `core/post-featured-image` block on the server. */ function register_block_core_post_featured_image() { register_block_type_from_metadata( __DIR__ . '/post-featured-image', array( 'render_callback' => 'render_block_core_post_featured_image', ) ); } add_action( 'init', 'register_block_core_post_featured_image' );