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Editing: module.php
<?php /** * Module Name: Custom CSS * Description: Allow implement custom CSS code to the whole site and individual pages. * * @since 7.7 */ if ( ! defined( 'ABSPATH' ) ) { die( '-1' ); } require_once vc_manager()->path( 'MODULES_DIR', 'custom-css/class-vc-custom-css-module-settings.php' ); /** * Module entry point. * * @since 7.7 */ class Vc_Custom_Css_Module { /** * Settings object. * * @var Vc_Custom_Css_Module_Settings */ public $settings; /** * Module meta key. * * @since 7.7 * @var string */ const CUSTOM_CSS_META_KEY = '_wpb_post_custom_css'; /** * Init module implementation. * * @since 7.7 */ public function init() { $this->settings = new Vc_Custom_Css_Module_Settings(); $this->settings->init(); add_action( 'vc_build_page', [ $this, 'add_custom_css_to_page' ] ); add_filter( 'vc_post_meta_list', [ $this, 'add_custom_meta_to_update' ] ); add_filter( 'wpb_set_post_custom_meta', [ $this, 'set_post_custom_meta' ], 10, 2 ); add_action( 'vc_base_register_front_css', [ $this, 'register_global_custom_css' ] ); add_action( 'vc_load_iframe_jscss', [ $this, 'enqueue_global_custom_css_to_page' ] ); add_action('vc_base_register_front_css', function () { add_action( 'wp_enqueue_scripts', array( $this, 'enqueue_global_custom_css_to_page', ) ); }); add_action( 'update_option_wpb_js_custom_css', array( $this, 'build_custom_css', ) ); add_action( 'add_option_wpb_js_custom_css', array( $this, 'build_custom_css', ) ); add_filter( 'vc_enqueue_backend_editor_js', array( $this, 'enqueue_editor_js', )); add_filter( 'vc_enqueue_frontend_editor_js', array( $this, 'enqueue_editor_js', )); } /** * Add custom css to page. * * @since 7.7 */ public function add_custom_css_to_page() { add_action( 'wp_head', [ $this, 'output_custom_css_to_page' ] ); } /** * Hooked class method by wp_head WP action to output post custom css. * * Method gets post meta value for page by key '_wpb_post_custom_css' and * outputs css string wrapped into style tag. * * @param int|null $id * @since 7.7 */ public function output_custom_css_to_page( $id = null ) { $id = $id ?: wpb_get_post_id_for_custom_output(); if ( ! $id ) { return; } if ( 'true' === vc_get_param( 'preview' ) && wp_revisions_enabled( get_post( $id ) ) ) { $latest_revision = wp_get_post_revisions( $id ); if ( ! empty( $latest_revision ) ) { $array_values = array_values( $latest_revision ); $id = $array_values[0]->ID; } } $post_custom_css = get_metadata( 'post', $id, '_wpb_post_custom_css', true ); $post_custom_css = apply_filters( 'vc_post_custom_css', $post_custom_css, $id ); if ( ! empty( $post_custom_css ) ) { $post_custom_css = wp_strip_all_tags( $post_custom_css ); echo '<style data-type="vc_custom-css">'; // phpcs:ignore WordPress.Security.EscapeOutput.OutputNotEscaped echo $post_custom_css; echo '</style>'; } } /** * Add custom js to the plugin post custom meta list. * * @since 7.7 * @param array $meta_list * @return array */ public function add_custom_meta_to_update( $meta_list ) { $meta_list[] = 'custom_css'; return $meta_list; } /** * Set post custom meta. * * @since 7.7 * @param array $post_custom_meta * @param WP_Post $post * @return array */ public function set_post_custom_meta( $post_custom_meta, $post ) { $post_custom_meta['post_custom_css'] = wp_strip_all_tags( $this->get_custom_css_post_meta( $post->ID ) ); return $post_custom_meta; } /** * Get custom css post meta. * * @since 7.7 * @param int $id * @return mixed */ public function get_custom_css_post_meta( $id ) { return get_post_meta( $id, self::CUSTOM_CSS_META_KEY, true ); } /** * Register global custom css. * * @since 7.7 */ public function register_global_custom_css() { $upload_dir = wp_upload_dir(); $vc_upload_dir = vc_upload_dir(); $custom_css_path = $upload_dir['basedir'] . '/' . $vc_upload_dir . '/custom.css'; if ( is_file( $upload_dir['basedir'] . '/' . $vc_upload_dir . '/custom.css' ) && filesize( $custom_css_path ) > 0 ) { $custom_css_url = $upload_dir['baseurl'] . '/' . $vc_upload_dir . '/custom.css'; $custom_css_url = vc_str_remove_protocol( $custom_css_url ); wp_register_style( 'js_composer_custom_css', $custom_css_url, array(), WPB_VC_VERSION ); } } /** * Enqueue global custom css to page. * * @since 7.7 */ public function enqueue_global_custom_css_to_page() { wp_enqueue_style( 'js_composer_custom_css' ); } /** * Builds custom css file using css options from vc settings. * * @return bool */ public function build_custom_css() { /** * Filesystem API init. * */ $url = wp_nonce_url( 'admin.php?page=vc-color&build_css=1', 'wpb_js_settings_save_action' ); vc_settings()::getFileSystem( $url ); /** * Filesystem API object. * * @var WP_Filesystem_Direct $wp_filesystem */ global $wp_filesystem; /** * Building css file. */ $js_composer_upload_dir = vc_settings()::checkCreateUploadDir( $wp_filesystem, 'custom_css', 'custom.css' ); if ( ! $js_composer_upload_dir ) { return true; } $filename = $js_composer_upload_dir . '/custom.css'; $css_string = ''; $custom_css_string = get_option( vc_settings()::$field_prefix . 'custom_css' ); if ( ! empty( $custom_css_string ) ) { $assets_url = vc_asset_url( '' ); $css_string .= preg_replace( '/(url\(\.\.\/(?!\.))/', 'url(' . $assets_url, $custom_css_string ); $css_string = wp_strip_all_tags( $css_string ); } if ( ! $wp_filesystem->put_contents( $filename, $css_string, FS_CHMOD_FILE ) ) { if ( is_wp_error( $wp_filesystem->errors ) && $wp_filesystem->errors->get_error_code() ) { add_settings_error( vc_settings()::$field_prefix . 'custom_css', $wp_filesystem->errors->get_error_code(), esc_html__( 'Something went wrong: custom.css could not be created.', 'js_composer' ) . $wp_filesystem->errors->get_error_message() ); } elseif ( ! $wp_filesystem->connect() ) { add_settings_error( vc_settings()::$field_prefix . 'custom_css', $wp_filesystem->errors->get_error_code(), esc_html__( 'custom.css could not be created. Connection error.', 'js_composer' ) ); } elseif ( ! $wp_filesystem->is_writable( $filename ) ) { add_settings_error( vc_settings()::$field_prefix . 'custom_css', $wp_filesystem->errors->get_error_code(), sprintf( esc_html__( 'custom.css could not be created. Cannot write custom css to %s.', 'js_composer' ), $filename ) ); } else { add_settings_error( vc_settings()::$field_prefix . 'custom_css', $wp_filesystem->errors->get_error_code(), esc_html__( 'custom.css could not be created. Problem with access.', 'js_composer' ) ); } return false; } return true; } /** * Load module JS in frontend and backend editor. * * @since 7.8 * @param array $dependencies * @return array */ public function enqueue_editor_js( $dependencies ) { $dependencies[] = 'ace-editor'; $dependencies[] = 'wpb-code-editor'; return $dependencies; } }
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