`. Support these by defaulting an undefined label and // buttonText to `__( 'Search' )`. $attributes = wp_parse_args( $attributes, array( 'label' => __( 'Search' ), 'buttonText' => __( 'Search' ), ) ); $input_id = wp_unique_id( 'wp-block-search__input-' ); $classnames = classnames_for_block_core_search( $attributes ); $show_label = ( ! empty( $attributes['showLabel'] ) ) ? true : false; $use_icon_button = ( ! empty( $attributes['buttonUseIcon'] ) ) ? true : false; $show_input = ( ! empty( $attributes['buttonPosition'] ) && 'button-only' === $attributes['buttonPosition'] ) ? false : true; $show_button = ( ! empty( $attributes['buttonPosition'] ) && 'no-button' === $attributes['buttonPosition'] ) ? false : true; $query_params = ( ! empty( $attributes['query'] ) ) ? $attributes['query'] : array(); $input_markup = ''; $button_markup = ''; $query_params_markup = ''; $inline_styles = styles_for_block_core_search( $attributes ); $color_classes = get_color_classes_for_block_core_search( $attributes ); $typography_classes = get_typography_classes_for_block_core_search( $attributes ); $is_button_inside = ! empty( $attributes['buttonPosition'] ) && 'button-inside' === $attributes['buttonPosition']; // Border color classes need to be applied to the elements that have a border color. $border_color_classes = get_border_color_classes_for_block_core_search( $attributes ); $label_inner_html = empty( $attributes['label'] ) ? __( 'Search' ) : wp_kses_post( $attributes['label'] ); $label_markup = sprintf( '', esc_attr( $input_id ), $label_inner_html ); if ( $show_label && ! empty( $attributes['label'] ) ) { $label_classes = array( 'wp-block-search__label' ); if ( ! empty( $typography_classes ) ) { $label_classes[] = $typography_classes; } $label_markup = sprintf( '', esc_attr( $input_id ), esc_attr( implode( ' ', $label_classes ) ), $inline_styles['label'], $label_inner_html ); } if ( $show_input ) { $input_classes = array( 'wp-block-search__input' ); if ( ! $is_button_inside && ! empty( $border_color_classes ) ) { $input_classes[] = $border_color_classes; } if ( ! empty( $typography_classes ) ) { $input_classes[] = $typography_classes; } $input_markup = sprintf( '', $input_id, esc_attr( implode( ' ', $input_classes ) ), get_search_query(), esc_attr( $attributes['placeholder'] ), $inline_styles['input'] ); } if ( count( $query_params ) > 0 ) { foreach ( $query_params as $param => $value ) { $query_params_markup .= sprintf( '', esc_attr( $param ), esc_attr( $value ) ); } } if ( $show_button ) { $button_classes = array( 'wp-block-search__button' ); $button_internal_markup = ''; if ( ! empty( $color_classes ) ) { $button_classes[] = $color_classes; } if ( ! empty( $typography_classes ) ) { $button_classes[] = $typography_classes; } $aria_label = ''; if ( ! $is_button_inside && ! empty( $border_color_classes ) ) { $button_classes[] = $border_color_classes; } if ( ! $use_icon_button ) { if ( ! empty( $attributes['buttonText'] ) ) { $button_internal_markup = wp_kses_post( $attributes['buttonText'] ); } } else { $aria_label = sprintf( 'aria-label="%s"', esc_attr( wp_strip_all_tags( $attributes['buttonText'] ) ) ); $button_classes[] = 'has-icon'; $button_internal_markup = ' '; } // Include the button element class. $button_classes[] = wp_theme_get_element_class_name( 'button' ); $button_markup = sprintf( '', esc_attr( implode( ' ', $button_classes ) ), $inline_styles['button'], $aria_label, $button_internal_markup ); } $field_markup_classes = $is_button_inside ? $border_color_classes : ''; $field_markup = sprintf( '
%s
', esc_attr( $field_markup_classes ), $inline_styles['wrapper'], $input_markup . $query_params_markup . $button_markup ); $wrapper_attributes = get_block_wrapper_attributes( array( 'class' => $classnames ) ); return sprintf( '
%s
', esc_url( home_url( '/' ) ), $wrapper_attributes, $label_markup . $field_markup ); } /** * Registers the `core/search` block on the server. */ function register_block_core_search() { register_block_type_from_metadata( __DIR__ . '/search', array( 'render_callback' => 'render_block_core_search', ) ); } add_action( 'init', 'register_block_core_search' ); /** * Builds the correct top level classnames for the 'core/search' block. * * @param array $attributes The block attributes. * * @return string The classnames used in the block. */ function classnames_for_block_core_search( $attributes ) { $classnames = array(); if ( ! empty( $attributes['buttonPosition'] ) ) { if ( 'button-inside' === $attributes['buttonPosition'] ) { $classnames[] = 'wp-block-search__button-inside'; } if ( 'button-outside' === $attributes['buttonPosition'] ) { $classnames[] = 'wp-block-search__button-outside'; } if ( 'no-button' === $attributes['buttonPosition'] ) { $classnames[] = 'wp-block-search__no-button'; } if ( 'button-only' === $attributes['buttonPosition'] ) { $classnames[] = 'wp-block-search__button-only'; } } if ( isset( $attributes['buttonUseIcon'] ) ) { if ( ! empty( $attributes['buttonPosition'] ) && 'no-button' !== $attributes['buttonPosition'] ) { if ( $attributes['buttonUseIcon'] ) { $classnames[] = 'wp-block-search__icon-button'; } else { $classnames[] = 'wp-block-search__text-button'; } } } return implode( ' ', $classnames ); } /** * This generates a CSS rule for the given border property and side if provided. * Based on whether the Search block is configured to display the button inside * or not, the generated rule is injected into the appropriate collection of * styles for later application in the block's markup. * * @param array $attributes The block attributes. * @param string $property Border property to generate rule for e.g. width or color. * @param string $side Optional side border. The dictates the value retrieved and final CSS property. * @param array $wrapper_styles Current collection of wrapper styles. * @param array $button_styles Current collection of button styles. * @param array $input_styles Current collection of input styles. * * @return void */ function apply_block_core_search_border_style( $attributes, $property, $side, &$wrapper_styles, &$button_styles, &$input_styles ) { $is_button_inside = 'button-inside' === _wp_array_get( $attributes, array( 'buttonPosition' ), false ); $path = array( 'style', 'border', $property ); if ( $side ) { array_splice( $path, 2, 0, $side ); } $value = _wp_array_get( $attributes, $path, false ); if ( empty( $value ) ) { return; } if ( 'color' === $property && $side ) { $has_color_preset = str_contains( $value, 'var:preset|color|' ); if ( $has_color_preset ) { $named_color_value = substr( $value, strrpos( $value, '|' ) + 1 ); $value = sprintf( 'var(--wp--preset--color--%s)', $named_color_value ); } } $property_suffix = $side ? sprintf( '%s-%s', $side, $property ) : $property; if ( $is_button_inside ) { $wrapper_styles[] = sprintf( 'border-%s: %s;', $property_suffix, esc_attr( $value ) ); } else { $button_styles[] = sprintf( 'border-%s: %s;', $property_suffix, esc_attr( $value ) ); $input_styles[] = sprintf( 'border-%s: %s;', $property_suffix, esc_attr( $value ) ); } } /** * This adds CSS rules for a given border property e.g. width or color. It * injects rules into the provided wrapper, button and input style arrays for * uniform "flat" borders or those with individual sides configured. * * @param array $attributes The block attributes. * @param string $property Border property to generate rule for e.g. width or color. * @param array $wrapper_styles Current collection of wrapper styles. * @param array $button_styles Current collection of button styles. * @param array $input_styles Current collection of input styles. * * @return void */ function apply_block_core_search_border_styles( $attributes, $property, &$wrapper_styles, &$button_styles, &$input_styles ) { apply_block_core_search_border_style( $attributes, $property, null, $wrapper_styles, $button_styles, $input_styles ); apply_block_core_search_border_style( $attributes, $property, 'top', $wrapper_styles, $button_styles, $input_styles ); apply_block_core_search_border_style( $attributes, $property, 'right', $wrapper_styles, $button_styles, $input_styles ); apply_block_core_search_border_style( $attributes, $property, 'bottom', $wrapper_styles, $button_styles, $input_styles ); apply_block_core_search_border_style( $attributes, $property, 'left', $wrapper_styles, $button_styles, $input_styles ); } /** * Builds an array of inline styles for the search block. * * The result will contain one entry for shared styles such as those for the * inner input or button and a second for the inner wrapper should the block * be positioning the button "inside". * * @param array $attributes The block attributes. * * @return array Style HTML attribute. */ function styles_for_block_core_search( $attributes ) { $wrapper_styles = array(); $button_styles = array(); $input_styles = array(); $label_styles = array(); $is_button_inside = ! empty( $attributes['buttonPosition'] ) && 'button-inside' === $attributes['buttonPosition']; $show_label = ( isset( $attributes['showLabel'] ) ) && false !== $attributes['showLabel']; // Add width styles. $has_width = ! empty( $attributes['width'] ) && ! empty( $attributes['widthUnit'] ); $button_only = ! empty( $attributes['buttonPosition'] ) && 'button-only' === $attributes['buttonPosition']; if ( $has_width && ! $button_only ) { $wrapper_styles[] = sprintf( 'width: %d%s;', esc_attr( $attributes['width'] ), esc_attr( $attributes['widthUnit'] ) ); } // Add border width and color styles. apply_block_core_search_border_styles( $attributes, 'width', $wrapper_styles, $button_styles, $input_styles ); apply_block_core_search_border_styles( $attributes, 'color', $wrapper_styles, $button_styles, $input_styles ); apply_block_core_search_border_styles( $attributes, 'style', $wrapper_styles, $button_styles, $input_styles ); // Add border radius styles. $has_border_radius = ! empty( $attributes['style']['border']['radius'] ); if ( $has_border_radius ) { $default_padding = '4px'; $border_radius = $attributes['style']['border']['radius']; if ( is_array( $border_radius ) ) { // Apply styles for individual corner border radii. foreach ( $border_radius as $key => $value ) { if ( null !== $value ) { // Convert camelCase key to kebab-case. $name = strtolower( preg_replace( '/(? ! empty( $input_styles ) ? sprintf( ' style="%s"', esc_attr( safecss_filter_attr( implode( ' ', $input_styles ) ) ) ) : '', 'button' => ! empty( $button_styles ) ? sprintf( ' style="%s"', esc_attr( safecss_filter_attr( implode( ' ', $button_styles ) ) ) ) : '', 'wrapper' => ! empty( $wrapper_styles ) ? sprintf( ' style="%s"', esc_attr( safecss_filter_attr( implode( ' ', $wrapper_styles ) ) ) ) : '', 'label' => ! empty( $label_styles ) ? sprintf( ' style="%s"', esc_attr( safecss_filter_attr( implode( ' ', $label_styles ) ) ) ) : '', ); } /** * Returns typography classnames depending on whether there are named font sizes/families . * * @param array $attributes The block attributes. * * @return string The typography color classnames to be applied to the block elements. */ function get_typography_classes_for_block_core_search( $attributes ) { $typography_classes = array(); $has_named_font_family = ! empty( $attributes['fontFamily'] ); $has_named_font_size = ! empty( $attributes['fontSize'] ); if ( $has_named_font_size ) { $typography_classes[] = sprintf( 'has-%s-font-size', esc_attr( $attributes['fontSize'] ) ); } if ( $has_named_font_family ) { $typography_classes[] = sprintf( 'has-%s-font-family', esc_attr( $attributes['fontFamily'] ) ); } return implode( ' ', $typography_classes ); } /** * Returns typography styles to be included in an HTML style tag. * This excludes text-decoration, which is applied only to the label and button elements of the search block. * * @param array $attributes The block attributes. * * @return string A string of typography CSS declarations. */ function get_typography_styles_for_block_core_search( $attributes ) { $typography_styles = array(); // Add typography styles. if ( ! empty( $attributes['style']['typography']['fontSize'] ) ) { $typography_styles[] = sprintf( 'font-size: %s;', wp_get_typography_font_size_value( array( 'size' => $attributes['style']['typography']['fontSize'], ) ) ); } if ( ! empty( $attributes['style']['typography']['fontFamily'] ) ) { $typography_styles[] = sprintf( 'font-family: %s;', $attributes['style']['typography']['fontFamily'] ); } if ( ! empty( $attributes['style']['typography']['letterSpacing'] ) ) { $typography_styles[] = sprintf( 'letter-spacing: %s;', $attributes['style']['typography']['letterSpacing'] ); } if ( ! empty( $attributes['style']['typography']['fontWeight'] ) ) { $typography_styles[] = sprintf( 'font-weight: %s;', $attributes['style']['typography']['fontWeight'] ); } if ( ! empty( $attributes['style']['typography']['fontStyle'] ) ) { $typography_styles[] = sprintf( 'font-style: %s;', $attributes['style']['typography']['fontStyle'] ); } if ( ! empty( $attributes['style']['typography']['lineHeight'] ) ) { $typography_styles[] = sprintf( 'line-height: %s;', $attributes['style']['typography']['lineHeight'] ); } if ( ! empty( $attributes['style']['typography']['textTransform'] ) ) { $typography_styles[] = sprintf( 'text-transform: %s;', $attributes['style']['typography']['textTransform'] ); } return implode( '', $typography_styles ); } /** * Returns border color classnames depending on whether there are named or custom border colors. * * @param array $attributes The block attributes. * * @return string The border color classnames to be applied to the block elements. */ function get_border_color_classes_for_block_core_search( $attributes ) { $border_color_classes = array(); $has_custom_border_color = ! empty( $attributes['style']['border']['color'] ); $has_named_border_color = ! empty( $attributes['borderColor'] ); if ( $has_custom_border_color || $has_named_border_color ) { $border_color_classes[] = 'has-border-color'; } if ( $has_named_border_color ) { $border_color_classes[] = sprintf( 'has-%s-border-color', esc_attr( $attributes['borderColor'] ) ); } return implode( ' ', $border_color_classes ); } /** * Returns color classnames depending on whether there are named or custom text and background colors. * * @param array $attributes The block attributes. * * @return string The color classnames to be applied to the block elements. */ function get_color_classes_for_block_core_search( $attributes ) { $classnames = array(); // Text color. $has_named_text_color = ! empty( $attributes['textColor'] ); $has_custom_text_color = ! empty( $attributes['style']['color']['text'] ); if ( $has_named_text_color ) { $classnames[] = sprintf( 'has-text-color has-%s-color', $attributes['textColor'] ); } elseif ( $has_custom_text_color ) { // If a custom 'textColor' was selected instead of a preset, still add the generic `has-text-color` class. $classnames[] = 'has-text-color'; } // Background color. $has_named_background_color = ! empty( $attributes['backgroundColor'] ); $has_custom_background_color = ! empty( $attributes['style']['color']['background'] ); $has_named_gradient = ! empty( $attributes['gradient'] ); $has_custom_gradient = ! empty( $attributes['style']['color']['gradient'] ); if ( $has_named_background_color || $has_custom_background_color || $has_named_gradient || $has_custom_gradient ) { $classnames[] = 'has-background'; } if ( $has_named_background_color ) { $classnames[] = sprintf( 'has-%s-background-color', $attributes['backgroundColor'] ); } if ( $has_named_gradient ) { $classnames[] = sprintf( 'has-%s-gradient-background', $attributes['gradient'] ); } return implode( ' ', $classnames ); }