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<?php /** * Server-side rendering of the `core/search` block. * * @package WordPress / /* * Dynamically renders the `core/search` block. * * @since 6.3.0 Using block.json `viewScript` to register script, and update `view_script_handles()` only when needed. * * @param array $attributes The block attributes. * * @return string The search block markup. / function render_block_core_search( $attributes ) { // Older versions of the Search block defaulted the label and buttonText // attributes to `__( 'Search' )` meaning that many posts contain `<!-- // wp:search /-->`. 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'] ); $use_icon_button = ! empty( $attributes['buttonUseIcon'] ); $show_button = ( ! empty( $attributes['buttonPosition'] ) && 'no-button' === $attributes['buttonPosition'] ) ? false : true; $button_position = $show_button ? $attributes['buttonPosition'] : null; $query_params = ( ! empty( $attributes['query'] ) ) ? $attributes['query'] : array(); $button = ''; $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 ); // This variable is a constant and its value is always false at this moment. // It is defined this way because some values depend on it, in case it changes in the future. $open_by_default = false; $label_inner_html = empty( $attributes['label'] ) ? __( 'Search' ) : wp_kses_post( $attributes['label'] ); $label = new WP_HTML_Tag_Processor( sprintf( '<label %1$s>%2$s</label>', $inline_styles['label'], $label_inner_html ) ); if ( $label->next_tag() ) { $label->set_attribute( 'for', $input_id ); $label->add_class( 'wp-block-search__label' ); if ( $show_label && ! empty( $attributes['label'] ) ) { if ( ! empty( $typography_classes ) ) { $label->add_class( $typography_classes ); } } else { $label->add_class( 'screen-reader-text' ); } } $input = new WP_HTML_Tag_Processor( sprintf( '<input type="search" name="s" required %s/>', $inline_styles['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; } if ( $input->next_tag() ) { $input->add_class( implode( ' ', $input_classes ) ); $input->set_attribute( 'id', $input_id ); $input->set_attribute( 'value', get_search_query() ); $input->set_attribute( 'placeholder', $attributes['placeholder'] ); // If it's interactive, enqueue the script module and add the directives. $is_expandable_searchfield = 'button-only' === $button_position; if ( $is_expandable_searchfield ) { wp_enqueue_script_module( '@wordpress/block-library/search/view' ); $input->set_attribute( 'data-wp-bind--aria-hidden', '!context.isSearchInputVisible' ); $input->set_attribute( 'data-wp-bind--tabindex', 'state.tabindex' ); // Adding these attributes manually is needed until the Interactivity API // SSR logic is added to core. $input->set_attribute( 'aria-hidden', 'true' ); $input->set_attribute( 'tabindex', '-1' ); } } if ( count( $query_params ) > 0 ) { foreach ( $query_params as $param => $value ) { $query_params_markup .= sprintf( '<input type="hidden" name="%s" value="%s" />', 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; } 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 { $button_classes[] = 'has-icon'; $button_internal_markup = '<svg class="search-icon" viewBox="0 0 24 24" width="24" height="24"> <path d="M13 5c-3.3 0-6 2.7-6 6 0 1.4.5 2.7 1.3 3.7l-3.8 3.8 1.1 1.1 3.8-3.8c1 .8 2.3 1.3 3.7 1.3 3.3 0 6-2.7 6-6S16.3 5 13 5zm0 10.5c-2.5 0-4.5-2-4.5-4.5s2-4.5 4.5-4.5 4.5 2 4.5 4.5-2 4.5-4.5 4.5z"></path> </svg>'; } // Include the button element class. $button_classes[] = wp_theme_get_element_class_name( 'button' ); $button = new WP_HTML_Tag_Processor( sprintf( '<button type="submit" %s>%s</button>', $inline_styles['button'], $button_internal_markup ) ); if ( $button->next_tag() ) { $button->add_class( implode( ' ', $button_classes ) ); if ( 'button-only' === $attributes['buttonPosition'] ) { $button->set_attribute( 'data-wp-bind--aria-label', 'state.ariaLabel' ); $button->set_attribute( 'data-wp-bind--aria-controls', 'state.ariaControls' ); $button->set_attribute( 'data-wp-bind--aria-expanded', 'context.isSearchInputVisible' ); $button->set_attribute( 'data-wp-bind--type', 'state.type' ); $button->set_attribute( 'data-wp-on--click', 'actions.openSearchInput' ); // Adding these attributes manually is needed until the Interactivity // API SSR logic is added to core. $button->set_attribute( 'aria-label', __( 'Expand search field' ) ); $button->set_attribute( 'aria-controls', 'wp-block-search__input-' . $input_id ); $button->set_attribute( 'aria-expanded', 'false' ); $button->set_attribute( 'type', 'button' ); } else { $button->set_attribute( 'aria-label', wp_strip_all_tags( $attributes['buttonText'] ) ); } } } $field_markup_classes = array( 'wp-block-search__inside-wrapper', ); if ( $is_button_inside && ! empty( $border_color_classes ) ) { $field_markup_classes[] = $border_color_classes; } $field_markup = sprintf( '<div class="%s" %s>%s</div>', esc_attr( implode( ' ', $field_markup_classes ) ), $inline_styles['wrapper'], $input . $query_params_markup . $button ); $wrapper_attributes = get_block_wrapper_attributes( array( 'class' => $classnames ) ); $form_directives = ''; // If it's interactive, add the directives. if ( $is_expandable_searchfield ) { $aria_label_expanded = __( 'Submit Search' ); $aria_label_collapsed = __( 'Expand search field' ); $form_context = wp_interactivity_data_wp_context( array( 'isSearchInputVisible' => $open_by_default, 'inputId' => $input_id, 'ariaLabelExpanded' => $aria_label_expanded, 'ariaLabelCollapsed' => $aria_label_collapsed, ) ); $form_directives = ' data-wp-interactive="core/search" ' . $form_context . ' data-wp-class--wp-block-search__searchfield-hidden="!context.isSearchInputVisible" data-wp-on--keydown="actions.handleSearchKeydown" data-wp-on--focusout="actions.handleSearchFocusout" '; } return sprintf( '<form role="search" method="get" action="%1s" %2s %3s>%4s</form>', esc_url( home_url( '/' ) ), $wrapper_attributes, $form_directives, $label . $field_markup ); } /* * Registers the `core/search` block on the server. * * @since 5.2.0 / 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. * * @since 5.6.0 * * @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 wp-block-search__searchfield-hidden'; } } 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. * * @since 6.1.0 * * @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. / function apply_block_core_search_border_style( $attributes, $property, $side, &$wrapper_styles, &$button_styles, &$input_styles ) { $is_button_inside = isset( $attributes['buttonPosition'] ) && 'button-inside' === $attributes['buttonPosition']; $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. * * @since 6.1.0 * * @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. / 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". * * @since 5.8.0 * * @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'] ); if ( $has_width ) { $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 ) { // Get border-radius CSS variable from preset value if provided. if ( is_string( $value ) && str_contains( $value, 'var:preset\|border-radius\|' ) ) { $index_to_splice = strrpos( $value, '\|' ) + 1; $slug = _wp_to_kebab_case( substr( $value, $index_to_splice ) ); $value = "var(--wp--preset--border-radius--$slug)"; } if ( null !== $value ) { // Convert camelCase key to kebab-case. $name = strtolower( preg_replace( '/(?<!^)[A-Z]/', '-$0', $key ) ); // Add shared styles for individual border radii for input & button. $border_style = sprintf( 'border-%s-radius: %s;', esc_attr( $name ), esc_attr( $value ) ); $input_styles[] = $border_style; $button_styles[] = $border_style; // Add adjusted border radius styles for the wrapper element // if button is positioned inside. if ( $is_button_inside && ( intval( $value ) !== 0 \|\| str_contains( $value, 'var(--wp--preset--border-radius--' ) ) ) { $wrapper_styles[] = sprintf( 'border-%s-radius: calc(%s + %s);', esc_attr( $name ), esc_attr( $value ), $default_padding ); } } } } else { // Numeric check is for backwards compatibility purposes. $border_radius = is_numeric( $border_radius ) ? $border_radius . 'px' : $border_radius; // Get border-radius CSS variable from preset value if provided. if ( is_string( $border_radius ) && str_contains( $border_radius, 'var:preset\|border-radius\|' ) ) { $index_to_splice = strrpos( $border_radius, '\|' ) + 1; $slug = _wp_to_kebab_case( substr( $border_radius, $index_to_splice ) ); $border_radius = "var(--wp--preset--border-radius--$slug)"; } $border_style = sprintf( 'border-radius: %s;', esc_attr( $border_radius ) ); $input_styles[] = $border_style; $button_styles[] = $border_style; if ( $is_button_inside && intval( $border_radius ) !== 0 ) { // Adjust wrapper border radii to maintain visual consistency // with inner elements when button is positioned inside. $wrapper_styles[] = sprintf( 'border-radius: calc(%s + %s);', esc_attr( $border_radius ), $default_padding ); } } } // Add color styles. $has_text_color = ! empty( $attributes['style']['color']['text'] ); if ( $has_text_color ) { $button_styles[] = sprintf( 'color: %s;', $attributes['style']['color']['text'] ); } $has_background_color = ! empty( $attributes['style']['color']['background'] ); if ( $has_background_color ) { $button_styles[] = sprintf( 'background-color: %s;', $attributes['style']['color']['background'] ); } $has_custom_gradient = ! empty( $attributes['style']['color']['gradient'] ); if ( $has_custom_gradient ) { $button_styles[] = sprintf( 'background: %s;', $attributes['style']['color']['gradient'] ); } // Get typography styles to be shared across inner elements. $typography_styles = esc_attr( get_typography_styles_for_block_core_search( $attributes ) ); if ( ! empty( $typography_styles ) ) { $label_styles [] = $typography_styles; $button_styles[] = $typography_styles; $input_styles [] = $typography_styles; } // Typography text-decoration is only applied to the label and button. if ( ! empty( $attributes['style']['typography']['textDecoration'] ) ) { $text_decoration_value = sprintf( 'text-decoration: %s;', esc_attr( $attributes['style']['typography']['textDecoration'] ) ); $button_styles[] = $text_decoration_value; // Input opts out of text decoration. if ( $show_label ) { $label_styles[] = $text_decoration_value; } } return array( 'input' => ! 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. * * @since 6.1.0 * * @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. * * @since 6.1.0 * * @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. * * @since 5.9.0 * * @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. * * @since 5.9.0 * * @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 ); }