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<?php |
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/** |
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* Typography Helpers class. |
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* |
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* Provides utility functions to enqueue Fonts based on theme.json |
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* typography settings and to modify theme.json font family data accordingly. |
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* |
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* @package gutenify |
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* @subpackage Typography |
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* @since 1.0.0 |
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*/ |
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|
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namespace gutenify; |
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|
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defined( 'ABSPATH' ) || exit; |
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|
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/** |
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* Helper class to manage typography-related functionalities |
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* such as enqueueing Google Fonts and modifying theme.json data. |
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*/ |
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class Typography_Helpers { |
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|
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/** |
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* Initialize hooks. |
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*/ |
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public static function init() { |
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// Enqueue fonts for blocks. |
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add_action( 'enqueue_block_assets', array( __CLASS__, 'enqueue_fonts' ) ); |
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|
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// Filter the theme JSON data for user modifications. |
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add_filter( 'wp_theme_json_data_user', array( __CLASS__, 'update_theme_json' ), 1 ); |
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} |
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|
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/** |
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* Generate Google Fonts URL parts from font configuration. |
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* |
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* @param array $font_config Font configuration array. |
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* @return string Google Fonts URL query part. |
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*/ |
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public static function generate_google_fonts_url_parts( $font_config ) { |
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if ( empty( $font_config['fontFace'] ) || empty( $font_config['name'] ) ) { |
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return ''; |
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} |
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|
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// Replace spaces in font name with '+' for URL encoding. |
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$font_family = str_replace( ' ', '+', $font_config['name'] ); |
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$styles = array(); |
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|
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foreach ( $font_config['fontFace'] as $face ) { |
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$ital = ( strtolower( $face['fontStyle'] ) === 'italic' ) ? 1 : 0; |
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$weight = $face['fontWeight']; |
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$styles[] = "{$ital},{$weight}"; |
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} |
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|
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// Remove duplicate styles and sort them. |
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$styles = array_unique( $styles ); |
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sort( $styles ); |
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|
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// Build style query string for Google Fonts URL. |
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$style_query = implode( ';', $styles ); |
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|
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return "family={$font_family}:ital,wght@{$style_query}"; |
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} |
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|
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/** |
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* Enqueue Google Fonts styles based on theme.json fontFamilies. |
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*/ |
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public static function enqueue_fonts() { |
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$constants = Helpers::plugin_constants(); |
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$version = $constants['plugin_main_version']; |
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$demo_url = $constants['authorDemoWebSite']; |
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$theme_json_data = \WP_Theme_JSON_Resolver::get_user_data(); |
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$data = $theme_json_data->get_data(); |
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$font_settings = array(); |
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if ( isset( $data['settings']['typography']['fontFamilies'] ) ) { |
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foreach ( $data['settings']['typography']['fontFamilies'] as $font ) { |
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if ( ! empty( $font['fontFace'] ) ) { |
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foreach ( $font['fontFace'] as $font_face ) { |
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$src = ''; |
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if( ! empty( $font_face['src'] ) && is_string( $font_face['src'] ) ) { |
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$src = $font_face['src']; |
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} else if ( ! empty( $font_face['src'] ) && is_array( $font_face['src'] ) ) { |
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$src = $font_face['src'][0]; |
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} |
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// Include fonts hosted on demo url or those without a 'src' attribute. |
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if ( ! empty( $src ) && false !== strpos( $src, $demo_url ) ) { |
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$font_settings[ $font['slug'] ] = self::generate_google_fonts_url_parts( $font ); |
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} elseif ( empty( $src ) ) { |
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$font_settings[ $font['slug'] ] = self::generate_google_fonts_url_parts( $font ); |
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} |
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} |
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} |
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} |
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if ( ! empty( $font_settings ) ) { |
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// Combine all font queries separated by '&'. |
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$final_font_settings = implode( '&', $font_settings ); |
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|
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// The loader is not part of the bootstrap list, so load it before first use. |
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if ( ! function_exists( 'wptt_get_webfont_url' ) ) { |
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$webfont_file = GUTENIFY_BASE_DIR . 'core/' . 'inc/lib/wptt-webfont-loader.php'; |
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if ( file_exists( $webfont_file ) ) { |
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require_once $webfont_file; |
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} |
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} |
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|
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// Enqueue Google Fonts stylesheet. |
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wp_enqueue_style( 'gutenify-bundle', esc_url( wptt_get_webfont_url( "https://fonts.googleapis.com/css2?{$final_font_settings}&display=swap" ) ), array(), $version ); |
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} |
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} |
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} |
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|
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/** |
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* Modify theme.json data to clean up font sources. |
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* |
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* @param WP_Theme_JSON $theme_json Theme JSON data object. |
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* @return WP_Theme_JSON Modified theme JSON data. |
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*/ |
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public static function update_theme_json( $theme_json ) { |
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$constants = Helpers::plugin_constants(); |
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$demo_url = $constants['authorDemoWebSite']; |
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|
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// Get current theme.json data as array. |
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$data = $theme_json->get_data(); |
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|
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// Append the custom font to existing fontFamilies. |
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if ( isset( $data['settings']['typography']['fontFamilies']['custom'] ) ) { |
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foreach ( $data['settings']['typography']['fontFamilies']['custom'] as $font_key => $font ) { |
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if ( ! empty( $font['fontFace'] ) ) { |
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foreach ( $font['fontFace'] as $font_face_key => $font_face ) { |
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$src = ''; |
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if( ! empty( $font_face['src'] ) && is_string( $font_face['src'] ) ) { |
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$src = $font_face['src']; |
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} else if ( ! empty( $font_face['src'] ) && is_array( $font_face['src'] ) ) { |
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$src = $font_face['src'][0]; |
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} |
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if ( ! empty( $src ) && false !== strpos( $src, $demo_url ) ) { |
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unset( $data['settings']['typography']['fontFamilies']['custom'][ $font_key ]['fontFace'][ $font_face_key ]['src'] ); |
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} |
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} |
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} |
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} |
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} |
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|
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// Update the theme JSON object with modified data. |
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$theme_json->update_with( $data ); |
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|
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return $theme_json; |
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} |
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} |
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|
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// Initialize the Typography_Helpers class. |
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Typography_Helpers::init(); |
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|
