printf(
'',
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 );
}
/**
* 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();
$is_button_inside = ! empty( $attributes['buttonPosition'] ) &&
'button-inside' === $attributes['buttonPosition'];
// 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 styles.
$has_border_width = ! empty( $attributes['style']['border']['width'] );
if ( $has_border_width ) {
$border_width = $attributes['style']['border']['width'];
if ( $is_button_inside ) {
$wrapper_styles[] = sprintf( 'border-width: %s;', esc_attr( $border_width ) );
} else {
$button_styles[] = sprintf( 'border-width: %s;', esc_attr( $border_width ) );
$input_styles[] = sprintf( 'border-width: %s;', esc_attr( $border_width ) );
}
}
// 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 ) ) ) ) : '',
);
}
/**
* 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 ) {
$has_custom_border_color = ! empty( $attributes['style']['border']['color'] );
$border_color_classes = ! empty( $attributes['borderColor'] ) ? sprintf( 'has-border-color has-%s-border-color', $attributes['borderColor'] ) : '';
// If there's a border color style and no `borderColor` text string, we still want to add the generic `has-border-color` class name to the element.
if ( $has_custom_border_color && empty( $attributes['borderColor'] ) ) {
$border_color_classes = 'has-border-color';
}
return $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 );
}
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