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block_core_post_navigation_link_get_support_styles › WordPress Function

Since7.2.0
Deprecatedn/a
› block_core_post_navigation_link_get_support_styles ( $attributes )
Parameters:
  • (array) $attributes The block attributes.
    Required: Yes
Returns:
  • (array) {
    Background, border, dimensions, shadow and spacing class names and
    inline styles.

    @type string $class Class names generated by the style engine, or an empty string.
    @type string $style Inline styles generated by the style engine, or an empty string.
    }
Defined at:
Codex:

Generates the background, border, dimensions, shadow and spacing class names and inline styles for the `core/post-navigation-link` block.

Mirrors the default background, border, dimensions, shadow and spacing block support serialization, which the block opts out of so the styles are only applied when a link is rendered.


Related Functions: block_core_navigation_get_post_ids, block_core_navigation_from_block_get_post_ids, block_core_social_link_get_color_styles, render_block_core_post_navigation_link, register_block_core_post_navigation_link

Source 

function block_core_post_navigation_link_get_support_styles( $attributes ) {
	$block_styles  = $attributes['style'] ?? array();
	$border        = $block_styles['border'] ?? array();
	$border_styles = array();

	// Border radius and width accept unitless numbers from the original implementation.
	if ( isset( $border['radius'] ) ) {
		$border_styles['radius'] = is_numeric( $border['radius'] ) ? "{$border['radius']}px" : $border['radius'];
	}

	if ( isset( $border['width'] ) ) {
		$border_styles['width'] = is_numeric( $border['width'] ) ? "{$border['width']}px" : $border['width'];
	}

	if ( isset( $border['style'] ) ) {
		$border_styles['style'] = $border['style'];
	}

	// A preset border color is stored in its own attribute rather than under `style`.
	$border_styles['color'] = isset( $attributes['borderColor'] )
		? "var:preset|color|{$attributes['borderColor']}"
		: ( $border['color'] ?? null );

	// Individual border sides e.g. top, left etc.
	foreach ( array( 'top', 'right', 'bottom', 'left' ) as $side ) {
		$border_styles[ $side ] = array(
			'width' => $border[ $side ]['width'] ?? null,
			'color' => $border[ $side ]['color'] ?? null,
			'style' => $border[ $side ]['style'] ?? null,
		);
	}

	$background        = $block_styles['background'] ?? array();
	$background_styles = array(
		'backgroundImage'      => $background['backgroundImage'] ?? null,
		'backgroundSize'       => $background['backgroundSize'] ?? null,
		'backgroundPosition'   => $background['backgroundPosition'] ?? null,
		'backgroundRepeat'     => $background['backgroundRepeat'] ?? null,
		'backgroundAttachment' => $background['backgroundAttachment'] ?? null,
		'gradient'             => $background['gradient'] ?? null,
	);

	// Mirrors the background image defaults of the background block support.
	if ( ! empty( $background_styles['backgroundImage'] ) ) {
		$background_styles['backgroundSize'] = $background_styles['backgroundSize'] ?? 'cover';
		if ( 'contain' === $background_styles['backgroundSize'] && ! $background_styles['backgroundPosition'] ) {
			$background_styles['backgroundPosition'] = '50% 50%';
		}
	}

	$styles = wp_style_engine_get_styles(
		array(
			'background' => $background_styles,
			'border'     => $border_styles,
			'dimensions' => array(
				'minHeight' => $block_styles['dimensions']['minHeight'] ?? null,
				'minWidth'  => $block_styles['dimensions']['minWidth'] ?? null,
			),
			'shadow'     => $block_styles['shadow'] ?? null,
			'spacing'    => array(
				'margin'  => $block_styles['spacing']['margin'] ?? null,
				'padding' => $block_styles['spacing']['padding'] ?? null,
			),
		)
	);

	$class_names = $styles['classnames'] ?? '';

	// The style engine only adds `has-background` for a gradient, the background block support adds it for an image too.
	if ( ! empty( $background_styles['backgroundImage'] ) && ! in_array( 'has-background', explode( ' ', $class_names ), true ) ) {
		$class_names = trim( "{$class_names} has-background" );
	}

	return array(
		'class' => $class_names,
		'style' => $styles['css'] ?? '',
	);
}