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<?php
namespace Automattic\WooCommerce\Blocks\BlockTypes;
use Automattic\WooCommerce\Blocks\Utils\StyleAttributesUtils;
/**
* Breadcrumbs class.
*/
class Breadcrumbs extends AbstractBlock {
/**
* Block name.
*
* @var string
*/
protected $block_name = 'breadcrumbs';
/**
* Render the block.
*
* @param array $attributes Block attributes.
* @param string $content Block content.
* @param WP_Block $block Block instance.
*
* @return string | void Rendered block output.
*/
protected function render( $attributes, $content, $block ) {
ob_start();
woocommerce_breadcrumb();
$breadcrumb = ob_get_clean();
if ( ! $breadcrumb ) {
return;
}
$classes_and_styles = StyleAttributesUtils::get_classes_and_styles_by_attributes( $attributes, array(), array( 'font_size' ) );
$font_size_classes_and_styles = $this->get_font_size_classes_and_styles( $attributes );
$classes_and_styles['classes'] = $classes_and_styles['classes'] . ' ' . $font_size_classes_and_styles['class'] . ' ';
$classes_and_styles['styles'] = $classes_and_styles['styles'] . ' ' . $font_size_classes_and_styles['style'] . ' ';
return sprintf(
'<div class="woocommerce wp-block-breadcrumbs wc-block-breadcrumbs %1$s" style="%2$s">%3$s</div>',
esc_attr( $classes_and_styles['classes'] ),
esc_attr( $classes_and_styles['styles'] ),
$breadcrumb
);
}
/**
* Get the frontend script handle for this block type.
*
* @param string $key Data to get, or default to everything.
*/
protected function get_block_type_script( $key = null ) {
return null;
}
/**
* Gets font size classes and styles for the breadcrumbs block.
*
* Note: This implementation intentionally avoids using StyleAttributesUtils::get_font_size_class_and_style()
* and get_block_wrapper_attributes() to ensure style attributes take precedence over the class attribute fontSize.
* This is needed because the block.json defines a default fontSize, which is considered an anti-pattern
* since styles should be defined by themes and plugins instead.
*
* @param array $attributes The block attributes.
* @return array The font size classes and styles.
*/
private function get_font_size_classes_and_styles( $attributes ) {
$font_size = $attributes['fontSize'] ?? '';
$custom_font_size = $attributes['style']['typography']['fontSize'] ?? '';
if ( ! $font_size && '' === $custom_font_size ) {
return array(
'class' => null,
'style' => null,
);
}
if ( '' !== $custom_font_size ) {
return array(
'class' => null,
'style' => sprintf( 'font-size: %s;', $custom_font_size ),
);
}
return array(
'class' => sprintf( 'has-font-size has-%s-font-size', $font_size ),
'style' => null,
);
}
}