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wp_apply_colors_support › WordPress Function

Since5.6.0
Deprecatedn/a
› wp_apply_colors_support ( $block_type, $block_attributes )
Access:
  • private
Parameters: (2)
  • (WP_Block_Type) $block_type Block type.
    Required: Yes
  • (array) $block_attributes Block attributes.
    Required: Yes
Returns:
  • (array) Colors CSS classes and inline styles.
Defined at:
Codex:

Add CSS classes and inline styles for colors to the incoming attributes array.

This will be applied to the block markup in the front-end.


Related Functions: wp_apply_border_support, wp_apply_spacing_support, wp_apply_typography_support, wp_register_colors_support, wp_apply_alignment_support

Source 

function wp_apply_colors_support( $block_type, $block_attributes ) {
	$color_support = _wp_array_get( $block_type->supports, array( 'color' ), false );

	if (
		is_array( $color_support ) &&
		array_key_exists( '__experimentalSkipSerialization', $color_support ) &&
		$color_support['__experimentalSkipSerialization']
	) {
		return array();
	}

	$has_text_colors_support       = true === $color_support || ( is_array( $color_support ) && _wp_array_get( $color_support, array( 'text' ), true ) );
	$has_background_colors_support = true === $color_support || ( is_array( $color_support ) && _wp_array_get( $color_support, array( 'background' ), true ) );
	$has_gradients_support         = _wp_array_get( $color_support, array( 'gradients' ), false );
	$classes                       = array();
	$styles                        = array();

	// Text colors.
	// Check support for text colors.
	if ( $has_text_colors_support ) {
		$has_named_text_color  = array_key_exists( 'textColor', $block_attributes );
		$has_custom_text_color = isset( $block_attributes['style']['color']['text'] );

		// Apply required generic class.
		if ( $has_custom_text_color || $has_named_text_color ) {
			$classes[] = 'has-text-color';
		}
		// Apply color class or inline style.
		if ( $has_named_text_color ) {
			$classes[] = sprintf( 'has-%s-color', $block_attributes['textColor'] );
		} elseif ( $has_custom_text_color ) {
			$styles[] = sprintf( 'color: %s;', $block_attributes['style']['color']['text'] );
		}
	}

	// Background colors.
	if ( $has_background_colors_support ) {
		$has_named_background_color  = array_key_exists( 'backgroundColor', $block_attributes );
		$has_custom_background_color = isset( $block_attributes['style']['color']['background'] );

		// Apply required background class.
		if ( $has_custom_background_color || $has_named_background_color ) {
			$classes[] = 'has-background';
		}
		// Apply background color classes or styles.
		if ( $has_named_background_color ) {
			$classes[] = sprintf( 'has-%s-background-color', $block_attributes['backgroundColor'] );
		} elseif ( $has_custom_background_color ) {
			$styles[] = sprintf( 'background-color: %s;', $block_attributes['style']['color']['background'] );
		}
	}

	// Gradients.
	if ( $has_gradients_support ) {
		$has_named_gradient  = array_key_exists( 'gradient', $block_attributes );
		$has_custom_gradient = isset( $block_attributes['style']['color']['gradient'] );

		if ( $has_named_gradient || $has_custom_gradient ) {
			$classes[] = 'has-background';
		}
		// Apply required background class.
		if ( $has_named_gradient ) {
			$classes[] = sprintf( 'has-%s-gradient-background', $block_attributes['gradient'] );
		} elseif ( $has_custom_gradient ) {
			$styles[] = sprintf( 'background: %s;', $block_attributes['style']['color']['gradient'] );
		}
	}

	$attributes = array();
	if ( ! empty( $classes ) ) {
		$attributes['class'] = implode( ' ', $classes );
	}
	if ( ! empty( $styles ) ) {
		$attributes['style'] = implode( ' ', $styles );
	}

	return $attributes;
}