array(),
'inline_styles' => '',
);
// Text color.
$has_named_text_color = array_key_exists( 'textColor', $attributes );
$has_custom_text_color = array_key_exists( 'customTextColor', $attributes );
// If has text color.
if ( $has_custom_text_color || $has_named_text_color ) {
// Add has-text-color class.
$colors['css_classes'][] = 'has-text-color';
}
if ( $has_named_text_color ) {
// Add the color class.
$colors['css_classes'][] = sprintf( 'has-%s-color', $attributes['textColor'] );
} elseif ( $has_custom_text_color ) {
// Add the custom color inline style.
$colors['inline_styles'] .= sprintf( 'color: %s;', $attributes['customTextColor'] );
}
// Background color.
$has_named_background_color = array_key_exists( 'backgroundColor', $attributes );
$has_custom_background_color = array_key_exists( 'customBackgroundColor', $attributes );
// If has background color.
if ( $has_custom_background_color || $has_named_background_color ) {
// Add has-background class.
$colors['css_classes'][] = 'has-background';
}
if ( $has_named_background_color ) {
// Add the background-color class.
$colors['css_classes'][] = sprintf( 'has-%s-background-color', $attributes['backgroundColor'] );
} elseif ( $has_custom_background_color ) {
// Add the custom background-color inline style.
$colors['inline_styles'] .= sprintf( 'background-color: %s;', $attributes['customBackgroundColor'] );
}
return $colors;
}
/**
* Build an array with CSS classes and inline styles defining the font sizes
* which will be applied to the navigation markup in the front-end.
*
* @param array $attributes Navigation block attributes.
* @return array Font size CSS classes and inline styles.
*/
function gutenberg_block_core_navigation_build_css_font_sizes( $attributes ) {
// CSS classes.
$font_sizes = array(
'css_classes' => array(),
'inline_styles' => '',
);
$has_named_font_size = array_key_exists( 'fontSize', $attributes );
$has_custom_font_size = array_key_exists( 'customFontSize', $attributes );
if ( $has_named_font_size ) {
// Add the font size class.
$font_sizes['css_classes'][] = sprintf( 'has-%s-font-size', $attributes['fontSize'] );
} elseif ( $has_custom_font_size ) {
// Add the custom font size inline style.
$font_sizes['inline_styles'] = sprintf( 'font-size: %spx;', $attributes['customFontSize'] );
}
return $font_sizes;
}
/**
* Returns the top-level submenu SVG chevron icon.
*
* @return string
*/
function gutenberg_block_core_navigation_render_submenu_icon() {
return '';
}
/**
* Renders the `core/navigation` block on server.
*
* @param array $attributes The block attributes.
* @param array $content The saved content.
* @param array $block The parsed block.
*
* @return string Returns the post content with the legacy widget added.
*/
function gutenberg_render_block_core_navigation( $attributes, $content, $block ) {
/**
* Deprecated:
* The rgbTextColor and rgbBackgroundColor attributes
* have been deprecated in favor of
* customTextColor and customBackgroundColor ones.
* Move the values from old attrs to the new ones.
*/
if ( isset( $attributes['rgbTextColor'] ) && empty( $attributes['textColor'] ) ) {
$attributes['customTextColor'] = $attributes['rgbTextColor'];
}
if ( isset( $attributes['rgbBackgroundColor'] ) && empty( $attributes['backgroundColor'] ) ) {
$attributes['customBackgroundColor'] = $attributes['rgbBackgroundColor'];
}
unset( $attributes['rgbTextColor'], $attributes['rgbBackgroundColor'] );
if ( empty( $block->inner_blocks ) ) {
return '';
}
$colors = gutenberg_block_core_navigation_build_css_colors( $attributes );
$font_sizes = gutenberg_block_core_navigation_build_css_font_sizes( $attributes );
$classes = array_merge(
$colors['css_classes'],
$font_sizes['css_classes'],
( isset( $attributes['orientation'] ) && 'vertical' === $attributes['orientation'] ) ? array( 'is-vertical' ) : array(),
isset( $attributes['itemsJustification'] ) ? array( 'items-justified-' . $attributes['itemsJustification'] ) : array()
);
$inner_blocks_html = '';
foreach ( $block->inner_blocks as $inner_block ) {
$inner_blocks_html .= $inner_block->render();
}
$block_styles = isset( $attributes['styles'] ) ? $attributes['styles'] : '';
$wrapper_attributes = get_block_wrapper_attributes(
array(
'class' => implode( ' ', $classes ),
'style' => $block_styles . $colors['inline_styles'] . $font_sizes['inline_styles'],
)
);
return sprintf(
'',
$wrapper_attributes,
$inner_blocks_html
);
}
/**
* Register the navigation block.
*
* @uses gutenberg_render_block_core_navigation()
* @throws WP_Error An WP_Error exception parsing the block definition.
*/
function gutenberg_register_block_core_navigation() {
register_block_type_from_metadata(
__DIR__ . '/navigation',
array(
'render_callback' => 'gutenberg_render_block_core_navigation',
)
);
}
add_action( 'init', 'gutenberg_register_block_core_navigation', 20 );
/**
* Filter that changes the parsed attribute values of navigation blocks contain typographic presets to contain the values directly.
*
* @param array $parsed_block The block being rendered.
* @return array The block being rendered without typographic presets.
*/
function gutenberg_block_core_navigation_typographic_presets_backcompatibility( $parsed_block ) {
if ( 'core/navigation' === $parsed_block['blockName'] ) {
$attribute_to_prefix_map = array(
'fontStyle' => 'var:preset|font-style|',
'fontWeight' => 'var:preset|font-weight|',
'textDecoration' => 'var:preset|text-decoration|',
'textTransform' => 'var:preset|text-transform|',
);
foreach ( $attribute_to_prefix_map as $style_attribute => $prefix ) {
if ( ! empty( $parsed_block['attrs']['style']['typography'][ $style_attribute ] ) ) {
$prefix_len = strlen( $prefix );
$attribute_value = &$parsed_block['attrs']['style']['typography'][ $style_attribute ];
if ( 0 === strncmp( $a