File: /var/www/biblioteka/wp-content/plugins/custom-fonts/classes/class-bsf-custom-fonts-render.php
<?php
/**
* Bsf Custom Fonts Admin Ui
*
* @since 1.0.0
* @package Bsf_Custom_Fonts
*/
if ( ! defined( 'ABSPATH' ) ) {
exit();
}
if ( ! class_exists( 'Bsf_Custom_Fonts_Render' ) ) :
/**
* Bsf_Custom_Fonts_Render
*/
class Bsf_Custom_Fonts_Render {
/**
* Instance of Bsf_Custom_Fonts_Render
*
* @since 1.0.0
* @var (Object) Bsf_Custom_Fonts_Render
*/
private static $instance = null;
/**
* Font base.
*
* This is used in case of Elementor's Font param
*
* @since 1.0.5
* @var string
*/
private static $font_base = 'bsf-custom-fonts';
/**
* Font Weight.
*
* Store the Font Weight from DB to be use for frontend rendering.
*
* @since 2.0.0
* @var string
*/
private static $font_weight = '';
/**
* Font Display.
*
* Store the Font Display from DB to be use for frontend rendering.
*
* @since 2.0.0
* @var string
*/
private static $font_display = '';
/**
* Font Family.
*
* Store the Font Family from DB to be use for frontend rendering.
*
* @since 2.0.0
* @var string
*/
private static $font_family = '';
/**
* Font Fallback.
*
* Store the Font Fallback from DB to be use for frontend rendering.
*
* @since 2.0.0
* @var string
*/
private static $font_fallback = '';
/**
* Font posts.
*
* @since 2.0.0
* @var array
*/
private static $existing_fonts = null;
/**
* Member Varible
*
* @var string $font_css
*/
protected $font_css = '';
/**
* Instance of Bsf_Custom_Fonts_Admin.
*
* @since 1.0.0
*
* @return object Class object.
*/
public static function get_instance() {
if ( ! isset( self::$instance ) ) {
self::$instance = new self();
}
return self::$instance;
}
/**
* Constructor.
*
* @since 1.0.0
*/
public function __construct() {
add_action( 'admin_enqueue_scripts', array( $this, 'enqueue_admin_scripts' ) );
add_action( 'admin_notices', array( $this, 'theme_update_notice' ) );
// Delete custom fonts action.
add_action( 'delete_term', array( $this, 'delete_custom_fonts_fallback_astra' ), 10, 5 );
add_action( 'plugins_loaded', array( $this, 'load_textdomain' ) );
// add Custom Font list into Astra customizer.
add_filter( 'astra_system_fonts', array( $this, 'add_custom_fonts_astra_customizer' ) );
// add Custom Font list into Spectra editor.
add_filter( 'spectra_system_fonts', array( $this, 'add_custom_fonts_spectra' ) );
// Beaver builder theme customizer, beaver buidler page builder.
add_filter( 'fl_theme_system_fonts', array( $this, 'bb_custom_fonts' ) );
add_filter( 'fl_builder_font_families_system', array( $this, 'bb_custom_fonts' ) );
// Add font files style.
add_action( 'wp_enqueue_scripts', array( $this, 'preload_styles' ), 1 );
add_action( 'init', array( $this, 'add_block_assets_style' ) );
add_filter( 'elementor/fonts/groups', array( $this, 'elementor_group' ) );
add_filter( 'elementor/fonts/additional_fonts', array( $this, 'add_elementor_fonts' ) );
// Astra filter before creating google fonts URL.
add_filter( 'astra_google_fonts_selected', array( $this, 'remove_custom_font_google_url' ) );
// Compatibility introduce for google local font should work as a inline.
add_filter( 'wp_enqueue_scripts', array( $this, 'load_local_google_fonts' ) );
}
/**
* Generate and enqueue a local CSS file for self-hosted Google Fonts.
*
* This function scans the `/bcf-fonts/` directory inside `wp-content/` for locally stored Google Fonts.
* It dynamically creates an `@font-face` CSS file (`local-fonts.css`) that defines font-face rules
* for all detected font files. The generated CSS is then enqueued for use on the site.
*
* @since 2.1.11
*/
public function load_local_google_fonts() {
// We are using WP_Filesystem for managing google fonts files which is necessary for the proper functionality of the plugin.
global $wp_filesystem;
// If the filesystem has not been instantiated yet, do it here.
if ( ! function_exists( 'WP_Filesystem' ) ) {
require_once ABSPATH . 'wp-admin/includes/file.php'; // PHPCS:ignore WPThemeReview.CoreFunctionality.FileInclude.FileIncludeFound
}
WP_Filesystem(); // Initialize the filesystem.
$upload_dir = WP_CONTENT_DIR . '/bcf-fonts';
$css_file = WP_CONTENT_DIR . '/bcf-fonts/local-fonts.css';
if ( ! is_dir( $upload_dir ) ) {
return;
}
$font_face_css = '';
$font_folders = array_diff( scandir( $upload_dir ), array( '.', '..' ) );
foreach ( $font_folders as $folder ) {
$font_folder_path = $upload_dir . '/' . $folder;
if ( is_dir( $font_folder_path ) ) {
$font_files = glob( $font_folder_path . '/*.{woff2,woff,ttf,otf,eot,svg}', GLOB_BRACE );
$font_variations = array();
foreach ( $font_files as $font_file ) {
$font_url = content_url( '/bcf-fonts/' . $folder . '/' . basename( $font_file ) );
preg_match( '/(.*)-([0-9a-z]+)-(\w+)\d*\.(woff2|woff|ttf|otf|eot|svg)/', basename( $font_file ), $matches );
if ( count( $matches ) ) {
$font_name = trim( $matches[1] );
$font_weight = $matches[2];
$font_style = $matches[3];
$file_format = $matches[4];
$font_variations[ "$font_name-$font_weight-$font_style" ][ $file_format ] = $font_url;
}
}
foreach ( $font_variations as $key => $formats ) {
list($font_name, $font_weight, $font_style) = explode( '-', $key );
$src = array();
if ( ! empty( $formats['woff2'] ) ) {
$src[] = "url('{$formats['woff2']}') format('woff2')";
}
if ( ! empty( $formats['woff'] ) ) {
$src[] = "url('{$formats['woff']}') format('woff')";
}
if ( ! empty( $formats['ttf'] ) ) {
$src[] = "url('{$formats['ttf']}') format('truetype')";
}
if ( ! empty( $formats['otf'] ) ) {
$src[] = "url('{$formats['otf']}') format('opentype')";
}
if ( ! empty( $formats['eot'] ) ) {
$src[] = "url('{$formats['eot']}') format('embedded-opentype')";
}
if ( ! empty( $formats['svg'] ) ) {
$src[] = "url('{$formats['svg']}') format('svg')";
}
$font_face_css .= "
@font-face {
font-family: '{$font_name}';
src: " . implode( ', ', $src ) . ";
font-weight: {$font_weight};
font-style: {$font_style};
}
";
}
}
}
// Use WP_Filesystem to write to file instead of file_put_contents.
$wp_filesystem->put_contents( $css_file, $font_face_css, FS_CHMOD_FILE );
// phpcs:ignore WordPress.WP.EnqueuedResourceParameters.MissingVersion
wp_enqueue_style( 'local-google-fonts', content_url( '/bcf-fonts/local-fonts.css' ), array(), null );
}
/**
* Get existing site setup fonts.
*
* @return mixed
* @since 2.0.0
*/
public function get_existing_font_posts() {
if ( ! isset( self::$existing_fonts ) ) {
$args = array(
'post_type' => BSF_CUSTOM_FONTS_POST_TYPE,
'post_status' => 'publish',
'fields' => 'ids',
'no_found_rows' => true,
'posts_per_page' => '-1',
);
$query = new WP_Query( $args );
self::$existing_fonts = $query->posts;
}
return self::$existing_fonts;
}
/**
* Add Custom Font group to elementor font list.
*
* Group name "Custom" is added as the first element in the array.
*
* @since 1.0.5
* @param Array $font_groups default font groups in elementor.
* @return Array Modified font groups with newly added font group.
*/
public function elementor_group( $font_groups ) {
$new_group[ self::$font_base ] = __( 'Custom', 'custom-fonts' );
$font_groups = $new_group + $font_groups;
return $font_groups;
}
/**
* Remove Custom Font from Google Font URL.
*
* @param Array $fonts Selected Google Fonts in the Astra Customizer Settings.
* @return Array Google fonts array which do not contain same fonts as the custom fonts.
*
* @since 2.0.0
*/
public function remove_custom_font_google_url( $fonts ) {
$custom_fonts = Bsf_Custom_Fonts_Taxonomy::get_fonts();
if ( ! empty( $custom_fonts ) ) {
foreach ( $custom_fonts as $key => $value ) {
if ( $value['font_fallback'] ) {
$font_key = "'" . $key . "'" . ', ' . $value['font_fallback'];
} else {
$font_key = "'" . $key . "'";
}
if ( array_key_exists( $font_key, $fonts ) ) {
unset( $fonts[ $font_key ] );
}
}
}
return $fonts;
}
/**
* Add Custom Fonts to the Elementor Page builder's font param.
*
* @since 1.0.5
* @param Array $fonts Custom Font's array.
*/
public function add_elementor_fonts( $fonts ) {
$all_fonts = $this->get_existing_font_posts();
if ( ! empty( $all_fonts ) ) {
foreach ( $all_fonts as $key => $post_id ) {
$font_data = get_post_meta( $post_id, 'fonts-data', true );
$font_type = get_post_meta( $post_id, 'font-type', true );
if ( 'google' !== $font_type ) {
$fonts[ $font_data['font_name'] ] = self::$font_base;
}
}
}
return $fonts;
}
/**
* Incorporate a feature allowing users to integrate custom fonts into both the BB theme and BB Page Builder.
*
* @since 1.0.4
* @param array $bb_fonts font families added by bb.
*/
public function bb_custom_fonts( $bb_fonts ) {
$fonts = $this->get_existing_font_posts();
$custom_fonts = array();
if ( ! empty( $fonts ) ) {
foreach ( $fonts as $key => $post_id ) {
$font_family_name = get_the_title( $post_id );
$custom_fonts[ $font_family_name ] = array(
'fallback' => 'Verdana, Arial, sans-serif',
'weights' => array( '100', '200', '300', '400', '500', '600', '700', '800', '900' ),
);
}
}
return array_merge( $bb_fonts, $custom_fonts );
}
/**
* Enqueue Block Assets Scripts
*
* @since 1.3.3
*/
public function add_block_assets_style() {
if ( is_admin() && ! is_customize_preview() ) {
add_action( 'enqueue_block_assets', array( $this, 'add_style' ) );
}
add_action( 'enqueue_block_editor_assets', array( $this, 'enque_data' ) );
}
/**
* Enqueue iFrame Preview Script.
*
* @since 1.3.7
*/
public function enque_data() {
wp_enqueue_script( 'bsf-custom-block-js', BSF_CUSTOM_FONTS_URI . 'assets/js/custom-fonts-preview.js', array(), BSF_CUSTOM_FONTS_VER, true );
}
/**
* Enqueue Scripts
*
* @since 1.0.4
*/
public function add_style() {
$font_styles = '';
$query_posts = $this->get_existing_font_posts();
if ( $query_posts ) {
foreach ( $query_posts as $key => $post_id ) {
$font_styles .= get_post_meta( $post_id, 'fonts-face', true );
}
wp_reset_postdata();
}
if ( ! empty( $font_styles ) ) {
wp_register_style( 'cf-frontend-style', false, array(), BSF_CUSTOM_FONTS_VER );
wp_enqueue_style( 'cf-frontend-style' );
wp_add_inline_style( 'cf-frontend-style', wp_strip_all_tags( $font_styles ) );
}
}
/**
* Enqueue Styles for frontend for preloading.
*
* @since x.x.x
*/
public function preload_styles() {
$font_urls = get_option( 'bcf_font_urls', array() );
if ( true === (bool) get_option( 'bcf_preloading_fonts', false ) && ! empty( $font_urls ) ) {
$font_format = apply_filters( 'bcf_preloading_fonts_format', 'woff2' );
foreach ( $font_urls as $key => $local_url ) {
if ( $local_url ) {
echo '<link rel="preload" href="' . esc_url( $local_url ) . '" as="font" type="font/' . esc_attr( $font_format ) . '" crossorigin>'; // phpcs:ignore WordPress.Security.EscapeOutput.OutputNotEscaped -- Preparing HTML link tag.
}
}
}
$this->add_style();
}
/**
* Add Custom Font list into Astra customizer.
*
* @since 2.0.0
* @param string $fonts_arr Array of System Fonts.
* @return array $fonts_arr modified array with Custom Fonts.
*/
public function add_custom_fonts_astra_customizer( $fonts_arr ) {
$query_posts = $this->get_existing_font_posts();
foreach ( $query_posts as $key => $post_id ) {
$font_data = get_post_meta( $post_id, 'fonts-data', true );
$font_type = get_post_meta( $post_id, 'font-type', true );
if ( 'google' !== $font_type ) {
$custom_fonts_weights = array();
if ( ! empty( $font_data['variations'] ) ) {
foreach ( $font_data['variations'] as $var_key => $var_data ) {
if ( ! empty( $var_data['font_weight'] ) ) {
array_push( $custom_fonts_weights, $var_data['font_weight'] );
}
}
}
$fonts_arr[ $font_data['font_name'] ] = array(
'fallback' => $font_data['font_fallback'] ? $font_data['font_fallback'] : 'Helvetica, Arial, sans-serif',
'weights' => $custom_fonts_weights,
);
}
}
return $fonts_arr;
}
/**
* Add Custom Font list into Spectra editor.
*
* @since 1.3.6
* @param string $fonts_arr Array of System Fonts.
* @return array $fonts_arr modified array with Custom Fonts.
*/
public function add_custom_fonts_spectra( $fonts_arr ) {
$query_posts = $this->get_existing_font_posts();
foreach ( $query_posts as $key => $post_id ) {
$font_data = get_post_meta( $post_id, 'fonts-data', true );
$font_type = get_post_meta( $post_id, 'font-type', true );
if ( 'google' !== $font_type ) {
$custom_fonts_weights = array( 'Default' );
if ( ! empty( $font_data['variations'] ) ) {
foreach ( $font_data['variations'] as $var_key => $var_data ) {
array_push( $custom_fonts_weights, $var_data['font_weight'] );
}
}
$fonts_arr[ $font_data['font_name'] ] = array(
'weight' => $custom_fonts_weights,
);
}
}
return $fonts_arr;
}
/**
* Get fonts
*
* @since 2.0.0
* @param array $font font.
* @param array $font_fallback fallback fonts.
*/
public static function get_font_values( $font, $font_fallback ) {
$font .= ( isset( $font_fallback ) ) ? ', ' . trim( $font_fallback ) : '';
return $font;
}
/**
* Enqueue Admin Scripts
*
* @since 1.0.0
*/
public function enqueue_admin_scripts() {
wp_enqueue_style( 'bsf-custom-fonts-css', BSF_CUSTOM_FONTS_URI . 'assets/css/bsf-custom-fonts.css', array(), BSF_CUSTOM_FONTS_VER );
wp_enqueue_media();
wp_enqueue_script( 'bsf-custom-fonts-js', BSF_CUSTOM_FONTS_URI . 'assets/js/bsf-custom-fonts.js', array( 'jquery' ), BSF_CUSTOM_FONTS_VER, true );
}
/**
* Set default 'inherit' if custom font is selected in customizer if this is deleted.
*
* @since 1.0.0
* @param int $term Term ID.
* @param int $tt_id Term taxonomy ID.
* @param string $taxonomy Taxonomy slug.
* @param mixed $deleted_term deleted term.
* @param object $object_ids objects ids.
*/
public function delete_custom_fonts_fallback_astra( $term, $tt_id, $taxonomy, $deleted_term, $object_ids ) {
if ( defined( 'ASTRA_THEME_SETTINGS' ) ) {
// get astra options.
$options = get_option( ASTRA_THEME_SETTINGS );
foreach ( $options as $key => $value ) {
if ( $value === $deleted_term->name ) {
// set default inherit if custom font is deleted.
$options[ $key ] = 'inherit';
}
}
// update astra options.
update_option( ASTRA_THEME_SETTINGS, $options );
}
}
/**
* Theme update notice.
*
* @since 1.0.0
*/
public function theme_update_notice() {
if ( defined( 'ASTRA_THEME_VERSION' ) ) {
if ( version_compare( ASTRA_THEME_VERSION, '1.0.16', '<' ) ) {
?>
<div class="notice notice-error is-dismissible">
<p>
<?php
printf(
/* translators: 1: Astra theme from wordpress.org*/
esc_html__( 'Custom Fonts Plugin requires minimum 1.0.16 version of the Astra Theme.', 'custom-fonts' ),
esc_url( 'https://downloads.wordpress.org/theme/astra.zip' )
);
?>
</p>
</div>
<?php
}
}
}
/**
* Loads textdomain for the plugin.
*
* @since 1.0.0
*/
public function load_textdomain() {
load_plugin_textdomain( 'custom-fonts' );
}
}
/**
* Kicking this off by calling 'get_instance()' method
*/
Bsf_Custom_Fonts_Render::get_instance();
endif;