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<?php /** * Server-side rendering of the `core/home-link` block. * * @package WordPress */ /** * Build an array with CSS classes and inline styles defining the colors * which will be applied to the home link markup in the front-end. * * @since 6.0.0 * * @param array $context home link block context. * @return array Colors CSS classes and inline styles. */ function block_core_home_link_build_css_colors( $context ) { $colors = array( 'css_classes' => array(), 'inline_styles' => '', ); // Text color. $has_named_text_color = array_key_exists( 'textColor', $context ); $has_custom_text_color = isset( $context['style']['color']['text'] ); // 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', $context['textColor'] ); } elseif ( $has_custom_text_color ) { // Add the custom color inline style. $colors['inline_styles'] .= sprintf( 'color: %s;', $context['style']['color']['text'] ); } // Background color. $has_named_background_color = array_key_exists( 'backgroundColor', $context ); $has_custom_background_color = isset( $context['style']['color']['background'] ); // 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', $context['backgroundColor'] ); } elseif ( $has_custom_background_color ) { // Add the custom background-color inline style. $colors['inline_styles'] .= sprintf( 'background-color: %s;', $context['style']['color']['background'] ); } return $colors; } /** * Build an array with CSS classes and inline styles defining the font sizes * which will be applied to the home link markup in the front-end. * * @since 6.0.0 * * @param array $context Home link block context. * @return array Font size CSS classes and inline styles. */ function block_core_home_link_build_css_font_sizes( $context ) { // CSS classes. $font_sizes = array( 'css_classes' => array(), 'inline_styles' => '', ); $has_named_font_size = array_key_exists( 'fontSize', $context ); $has_custom_font_size = isset( $context['style']['typography']['fontSize'] ); if ( $has_named_font_size ) { // Add the font size class. $font_sizes['css_classes'][] = sprintf( 'has-%s-font-size', $context['fontSize'] ); } elseif ( $has_custom_font_size ) { // Add the custom font size inline style. $font_sizes['inline_styles'] = sprintf( 'font-size: %s;', $context['style']['typography']['fontSize'] ); } return $font_sizes; } /** * Builds an array with classes and style for the li wrapper * * @since 6.0.0 * * @param array $context Home link block context. * @return string The li wrapper attributes. */ function block_core_home_link_build_li_wrapper_attributes( $context ) { $colors = block_core_home_link_build_css_colors( $context ); $font_sizes = block_core_home_link_build_css_font_sizes( $context ); $classes = array_merge( $colors['css_classes'], $font_sizes['css_classes'] ); $style_attribute = ( $colors['inline_styles'] . $font_sizes['inline_styles'] ); $classes[] = 'wp-block-navigation-item'; if ( is_front_page() ) { $classes[] = 'current-menu-item'; } elseif ( is_home() && ( (int) get_option( 'page_for_posts' ) !== get_queried_object_id() ) ) { // Edge case where the Reading settings has a posts page set but not a static homepage. $classes[] = 'current-menu-item'; } $wrapper_attributes = get_block_wrapper_attributes( array( 'class' => implode( ' ', $classes ), 'style' => $style_attribute, ) ); return $wrapper_attributes; } /** * Renders the `core/home-link` block. * * @since 6.0.0 * * @param array $attributes The block attributes. * @param string $content The saved content. * @param WP_Block $block The parsed block. * * @return string Returns the post content with the home url added. */ function render_block_core_home_link( $attributes, $content, $block ) { if ( empty( $attributes['label'] ) ) { $attributes['label'] = __( 'Home' ); } $aria_current = ''; if ( is_front_page() ) { $aria_current = ' aria-current="page"'; } elseif ( is_home() && ( (int) get_option( 'page_for_posts' ) !== get_queried_object_id() ) ) { // Edge case where the Reading settings has a posts page set but not a static homepage. $aria_current = ' aria-current="page"'; } return sprintf( '<li %1$s><a class="wp-block-home-link__content wp-block-navigation-item__content" href="%2$s" rel="home"%3$s>%4$s</a></li>', block_core_home_link_build_li_wrapper_attributes( $block->context ), esc_url( home_url() ), $aria_current, wp_kses_post( $attributes['label'] ) ); } /** * Register the home block * * @since 6.0.0 * * @uses render_block_core_home_link() * @throws WP_Error An WP_Error exception parsing the block definition. */ function register_block_core_home_link() { register_block_type_from_metadata( __DIR__ . '/home-link', array( 'render_callback' => 'render_block_core_home_link', ) ); } add_action( 'init', 'register_block_core_home_link' );