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class-coblocks-block-assets.php
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class-coblocks-block-assets.php
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<?php
/**
* Load assets for our blocks.
*
* @package CoBlocks
*/
// Exit if accessed directly.
if ( ! defined( 'ABSPATH' ) ) {
exit;
}
/**
* Load general assets for our blocks.
*
* @since 1.0.0
*/
class CoBlocks_Block_Assets {
/**
* This plugin's assets path.
*
* @var CoBlocks_Block_Assets
*/
private $assets_dir = '';
/**
* This plugin's instance.
*
* @var CoBlocks_Block_Assets
*/
private static $instance;
/**
* Registers the plugin.
*
* @return CoBlocks_Block_Assets
*/
public static function register() {
if ( null === self::$instance ) {
self::$instance = new CoBlocks_Block_Assets();
}
return self::$instance;
}
/**
* The Constructor.
*/
public function __construct() {
$this->assets_dir = CoBlocks()->asset_source( 'js' );
add_action( 'enqueue_block_assets', array( $this, 'block_assets' ) );
add_action( 'enqueue_block_editor_assets', array( $this, 'editor_assets' ) );
add_action( 'enqueue_block_editor_assets', array( $this, 'frontend_scripts' ) );
add_action( 'wp_enqueue_scripts', array( $this, 'frontend_scripts' ) );
add_action( 'save_post_wp_template_part', array( $this, 'clear_template_transients' ) );
// `render_block` filters must be applied early.
add_filter( 'render_block', array( $this, 'coblocks_enqueue_scripts_for_core_blocks' ), 10, 2 );
}
/**
* Loads the asset file for the given script or style.
* Returns a default if the asset file is not found.
*
* @param string $filepath The name of the file without the extension.
*
* @return array The asset file contents.
*/
public function get_asset_file( $filepath ) {
$asset_path = COBLOCKS_PLUGIN_DIR . $filepath . '.asset.php';
return file_exists( $asset_path )
? include $asset_path
: array(
'dependencies' => array(),
'version' => COBLOCKS_VERSION,
);
}
/**
* Enqueue block assets for use within Gutenberg.
*
* @access public
*/
public function block_assets() {
global $post;
// Only load the front end CSS if a Coblock is in use.
$has_coblock = ! is_singular();
if ( ! is_admin() && is_singular() ) {
$wp_post = get_post( $post );
// This is similar to has_block() in core, but will match anything
// in the coblocks/* namespace.
if ( $wp_post instanceof WP_Post ) {
$has_coblock = $this->has_coblocks_block( $wp_post );
}
$coblocks_template_part_query = get_transient( 'coblocks_template_parts_query' );
if ( false === $coblocks_template_part_query ) {
// Determine if template parts contain any coblocks/* namespace.
$coblocks_template_part_query = get_posts(
array(
'post_type' => 'wp_template_part',
'posts_per_page' => -1,
)
);
set_transient( 'coblocks_template_parts_query', $coblocks_template_part_query, WEEK_IN_SECONDS );
}
if ( ! $has_coblock && ! empty( $coblocks_template_part_query ) ) {
foreach ( $coblocks_template_part_query as $template_part ) {
if ( $this->has_coblocks_block( $template_part ) ) {
$has_coblock = true;
}
}
}
}
if ( ! $has_coblock && ! $this->is_page_gutenberg() && ! $this->has_coblocks_animation() ) {
return;
}
/**
* Check the `test-coblocks-block-assets.php` file.
* Registered scripts should show for specific blocks that need them.
* For example the Core blocks all use `coblocks-animation` style
* */
$name = 'style-coblocks-1';
$filepath = 'dist/' . $name;
$asset_file = $this->get_asset_file( $filepath );
$rtl = ! is_rtl() ? '' : '-rtl';
wp_register_style(
'coblocks-frontend',
COBLOCKS_PLUGIN_URL . $filepath . $rtl . '.css',
$asset_file['dependencies'],
$asset_file['version']
);
$name = 'style-coblocks-extensions';
$filepath = 'dist/' . $name;
$asset_file = $this->get_asset_file( $filepath );
$rtl = ! is_rtl() ? '' : '-rtl';
wp_enqueue_style(
'coblocks-extensions',
COBLOCKS_PLUGIN_URL . $filepath . $rtl . '.css',
$asset_file['dependencies'],
$asset_file['version'],
);
$name = 'style-coblocks-animation';
$filepath = 'dist/' . $name;
$asset_file = $this->get_asset_file( $filepath );
$rtl = ! is_rtl() ? '' : '-rtl';
wp_enqueue_style(
'coblocks-animation',
COBLOCKS_PLUGIN_URL . $filepath . $rtl . '.css',
$asset_file['dependencies'],
$asset_file['version'],
);
}
/**
* Enqueue block assets for use within Gutenberg.
*
* @access public
*/
public function editor_assets() {
// Define where the vendor asset is loaded from.
$vendors_dir = CoBlocks()->asset_source( 'js/vendors' );
// Styles.
$name = 'coblocks-1';
$filepath = 'dist/' . $name;
$asset_file = $this->get_asset_file( $filepath );
$rtl = ! is_rtl() ? '' : '-rtl';
wp_register_style(
'coblocks-editor',
COBLOCKS_PLUGIN_URL . $filepath . $rtl . '.css',
array(),
$asset_file['version']
);
$name = 'coblocks-extensions';
$filepath = 'dist/' . $name;
$asset_file = $this->get_asset_file( $filepath );
global $pagenow;
// Prevent wp-edit-post and coblocks settings/patterns plugins from loading on the widgets.php page.
if ( 'widgets.php' === $pagenow ) {
$script_key = array_search( 'wp-edit-post', $asset_file['dependencies'], true );
if ( false !== $script_key ) {
unset( $asset_file['dependencies'][ $script_key ] );
}
add_filter( 'coblocks_show_settings_panel', '__return_false' );
add_filter( 'coblocks_patterns_show_settings_panel', '__return_false' );
}
wp_register_script(
'coblocks-editor', // 'coblocks-extensions'
COBLOCKS_PLUGIN_URL . $filepath . '.js',
array_merge( $asset_file['dependencies'], array( 'wp-api' ) ),
$asset_file['version'],
true
);
foreach ( glob( COBLOCKS_PLUGIN_DIR . 'dist/coblocks-*.js' ) as $file ) {
$name = str_replace( '.js', '', basename( $file ) ); // coblocks-1.
if ( ! preg_match( '/coblocks-\d+/', $name ) ) {
continue;
}
$filepath = 'dist/' . $name;
$asset_file = $this->get_asset_file( $filepath );
// Prevent wp-editor from loading on the widgets.php page.
if ( 'widgets.php' === $pagenow ) {
$script_key = array_search( 'wp-editor', $asset_file['dependencies'], true );
if ( false !== $script_key ) {
unset( $asset_file['dependencies'][ $script_key ] );
}
}
wp_register_script(
$name,
COBLOCKS_PLUGIN_URL . $filepath . '.js',
array_merge( $asset_file['dependencies'], array( 'wp-api', 'coblocks-editor' ) ),
$asset_file['version'],
true
);
}
$post_id = filter_input( INPUT_GET, 'post', FILTER_SANITIZE_NUMBER_INT );
/**
* Filter the default block email address value
*
* @param string $to Admin email.
* @param integer $post_id Current post ID.
*/
$email_to = (string) apply_filters( 'coblocks_form_default_email', get_option( 'admin_email' ), (int) $post_id );
/**
* Filter to disable the typography controls
*
* @param bool true Whether or not the controls are enabled.
* @param integer $post_id Current post ID.
*/
$typography_controls_enabled = (bool) apply_filters( 'coblocks_typography_controls_enabled', true, (int) $post_id );
/**
* Filter to disable the animation controls
*
* @param bool true Whether or not the controls are enabled.
* @param integer $post_id Current post ID.
*/
$animation_controls_enabled = (bool) apply_filters( 'coblocks_animation_controls_enabled', true, (int) $post_id );
/**
* Filter to disable all bundled CoBlocks svg icons
*
* @param bool true Whether or not the bundled icons are displayed.
*/
$bundled_icons_enabled = (bool) apply_filters( 'coblocks_bundled_icons_enabled', true );
$form = new CoBlocks_Form();
$form_subject = $form->default_subject();
$success_text = $form->default_success_text();
wp_localize_script(
'coblocks-editor',
'coblocksBlockData',
array(
'form' => array(
'adminEmail' => $email_to,
'emailSubject' => $form_subject,
'successText' => $success_text,
),
'cropSettingsOriginalImageNonce' => wp_create_nonce( 'cropSettingsOriginalImageNonce' ),
'cropSettingsNonce' => wp_create_nonce( 'cropSettingsNonce' ),
'labsSiteDesignNonce' => wp_create_nonce( 'labsSiteDesignNonce' ),
'bundledIconsEnabled' => $bundled_icons_enabled,
'customIcons' => $this->get_custom_icons(),
'customIconConfigExists' => file_exists( get_stylesheet_directory() . '/coblocks/icons/config.json' ),
'typographyControlsEnabled' => $typography_controls_enabled,
'animationControlsEnabled' => $animation_controls_enabled,
'localeCode' => get_locale(),
'baseApiNamespace' => COBLOCKS_API_NAMESPACE,
)
);
}
/**
* Load custom icons from the theme directory, if they exist
*
* @return array Custom icons array if they exist, else empty array.
*/
public function get_custom_icons() {
$config = array();
$icons = glob( get_stylesheet_directory() . '/coblocks/icons/*.svg' );
if ( empty( $icons ) ) {
return array();
}
if ( file_exists( get_stylesheet_directory() . '/coblocks/icons/config.json' ) ) {
$config = json_decode( file_get_contents( get_stylesheet_directory() . '/coblocks/icons/config.json' ), true );
}
$custom_icons = array();
foreach ( $icons as $icon ) {
$icon_slug = str_replace( '.svg', '', basename( $icon ) );
$icon_name = ucwords( str_replace( '-', ' ', $icon_slug ) );
if ( ! empty( $config ) ) {
// Icon exists in directory, but not found in config.
if ( ! array_key_exists( $icon_slug, $config ) ) {
continue;
}
}
ob_start();
include $icon;
$retrieved_icon = ob_get_clean();
$custom_icons[ $icon_slug ] = array(
'label' => $icon_name,
'keywords' => strtolower( $icon_name ),
'icon' => $retrieved_icon,
);
}
if ( ! empty( $config ) ) {
foreach ( $config as $icon => $metadata ) {
if ( ! array_key_exists( $icon, $custom_icons ) ) {
continue;
}
if ( array_key_exists( 'icon_outlined', $config[ $icon ] ) ) {
$metadata['icon_outlined'] = file_exists( get_stylesheet_directory() . '/coblocks/icons/' . $metadata['icon_outlined'] ) ? file_get_contents( get_stylesheet_directory() . '/coblocks/icons/' . $metadata['icon_outlined'] ) : '';
}
$custom_icons[ $icon ] = array_replace_recursive( $custom_icons[ $icon ], array_filter( $metadata ) );
}
}
return $custom_icons;
}
/**
* Enqueue front-end assets for blocks.
*
* @access public
* @since 1.9.5
*/
public function frontend_scripts() {
// Custom scripts are not allowed in AMP, so short-circuit.
if ( CoBlocks()->is_amp() ) {
return;
}
// Define where the vendor asset is loaded from.
$vendors_dir = CoBlocks()->asset_source( 'js/vendors' );
$previous_aria_label = __( 'Previous', 'coblocks' );
$next_aria_label = __( 'Next', 'coblocks' );
// Enqueue for coblocks animations.
wp_enqueue_script(
'coblocks-animation',
$this->assets_dir . 'coblocks-animation.js',
array(),
COBLOCKS_VERSION,
true
);
// Masonry v1 block scripts.
if ( $this->has_masonry_v1_block() ) {
wp_enqueue_script(
'coblocks-masonry',
$this->assets_dir . 'coblocks-masonry.js',
array( 'jquery', 'masonry', 'imagesloaded' ),
COBLOCKS_VERSION,
true
);
}
// Gist block script.
wp_register_script(
'coblocks-gist-script',
$this->assets_dir . 'coblocks-gist-script.js',
array(),
COBLOCKS_VERSION,
true
);
// Carousel block scripts.
wp_register_script(
'coblocks-tiny-swiper',
$vendors_dir . 'tiny-swiper.js',
array(),
COBLOCKS_VERSION,
true
);
wp_register_script(
'coblocks-tinyswiper-initializer',
$this->assets_dir . 'coblocks-tinyswiper-initializer.js',
array(),
COBLOCKS_VERSION,
true
);
wp_localize_script(
'coblocks-tinyswiper-initializer',
'coblocksTinyswiper',
array(
'carouselPrevButtonAriaLabel' => $previous_aria_label,
'carouselNextButtonAriaLabel' => $next_aria_label,
'sliderImageAriaLabel' => __( 'Image', 'coblocks' ),
)
);
// Post Carousel block script.
wp_register_script(
'coblocks-post-carousel',
$this->assets_dir . 'coblocks-post-carousel-script.js',
array(),
COBLOCKS_VERSION,
true
);
wp_localize_script(
'coblocks-post-carousel',
'coblocksPostCarousel',
array(
'carouselPrevButtonAriaLabel' => $previous_aria_label,
'carouselNextButtonAriaLabel' => $next_aria_label,
)
);
// Events block.
wp_register_script(
'coblocks-events',
$this->assets_dir . 'coblocks-events-script.js',
array(),
COBLOCKS_VERSION,
true
);
wp_localize_script(
'coblocks-events',
'coblocksEvents',
array(
'carouselPrevButtonAriaLabel' => $previous_aria_label,
'carouselNextButtonAriaLabel' => $next_aria_label,
)
);
// Counter block.
$asset_file = $this->get_asset_file( 'dist/js/coblocks-counter-script' );
wp_register_script(
'coblocks-counter-script',
$this->assets_dir . 'coblocks-counter-script.js',
$asset_file['dependencies'],
COBLOCKS_VERSION,
true
);
// Services block.
$asset_file = $this->get_asset_file( 'dist/js/coblocks-services-script' );
wp_register_script(
'coblocks-services-script',
$this->assets_dir . 'coblocks-services-script.js',
$asset_file['dependencies'],
COBLOCKS_VERSION,
true
);
$name = 'coblocks-lightbox';
$filepath = 'dist/js/' . $name;
$asset_file = $this->get_asset_file( $filepath );
wp_register_script(
'coblocks-lightbox',
$this->assets_dir . 'coblocks-lightbox.js',
$asset_file['dependencies'],
$asset_file['version'],
true
);
$this->localize_lightbox_controls();
}
/**
* Enqueue specific scripts for the given core blocks.
*
* @param string $block_content The block content to be rendered.
* @param array $block The block attributes.
*
* @return string The original block content.
*/
public function coblocks_enqueue_scripts_for_core_blocks( $block_content, $block ) {
// Bail if block does not have name, or does not have attributes.
if ( ! isset( $block['blockName'] ) || ! isset( $block['attrs'] ) ) {
return $block_content;
}
$block_name = $block['blockName'];
$block_attributes = $block['attrs'];
// Allowed blocks for the lightbox script.
$lightbox_allowed_blocks = array(
'core/gallery',
'core/image',
'core/block',
);
if ( in_array( $block_name, $lightbox_allowed_blocks, true ) &&
// Has a lightbox attribute set to true.
(
isset( $block_attributes['lightbox'] ) &&
true === $block_attributes['lightbox']
)
) {
wp_enqueue_script( 'coblocks-lightbox' );
// Script must be localized after the 'handle' script is registered.
// `coblocks-lightbox` is the handle that is shared between the scripts.
$this->localize_lightbox_controls();
wp_enqueue_style( 'coblocks-frontend' );
}
// Allowed blocks for the gist script.
$gist_allowed_blocks = array(
'core/embed',
);
if ( in_array( $block_name, $gist_allowed_blocks, true ) &&
// Has a URL attribute with gist.github.com.
(
isset( $block_attributes['url'] ) &&
str_contains( $block_attributes['url'], 'gist.github.com' )
)
) {
wp_enqueue_script(
'coblocks-gist-script',
$this->assets_dir . 'coblocks-gist-script.js',
array(),
COBLOCKS_VERSION,
true
);
}
return $block_content;
}
/**
* Localize language script for the lightbox controls.
*/
private function localize_lightbox_controls() {
wp_localize_script(
'coblocks-lightbox',
'coblocksLightboxData',
array(
'closeLabel' => __( 'Close Gallery', 'coblocks' ),
'leftLabel' => __( 'Previous', 'coblocks' ),
'rightLabel' => __( 'Next', 'coblocks' ),
)
);
}
/**
* Clear transient when wp_template_part is saved/updated
*
* @access public
* @since 2.14.2
*/
public function clear_template_transients() {
delete_transient( 'coblocks_template_parts_query' );
}
/**
* Determine if the given post content contains any CoBlocks blocks
*
* @access public
* @since 2.14.2
* @param WP_Post $post_object Post object.
*
* @return boolean True when post content contains a CoBlocks block.
*/
public function has_coblocks_block( WP_Post $post_object ) {
return ! empty(
array_filter(
array(
false !== strpos( $post_object->post_content, '<!-- wp:coblocks/' ),
// Having core blocks here, ensures that enqueues from block_assets are loaded.
has_block( 'core/block', $post_object ),
has_block( 'core/button', $post_object ),
has_block( 'core/cover', $post_object ),
has_block( 'core/heading', $post_object ),
has_block( 'core/image', $post_object ),
has_block( 'core/gallery', $post_object ),
has_block( 'core/list', $post_object ),
has_block( 'core/paragraph', $post_object ),
has_block( 'core/pullquote', $post_object ),
has_block( 'core/quote', $post_object ),
has_block( 'core/media-text', $post_object ),
)
)
);
}
/**
* Determine if the given post content contains any v1 Masonry block.
*
* @access public
* @since 2.22.0
*
* @return boolean True when post content contains a v1 Masonry block.
*/
public function has_masonry_v1_block() {
$v1_regex = '/<!-- wp:coblocks\/gallery-masonry.*|\n*(coblocks-gallery--item).*|\n*<!-- \/wp:coblocks\/gallery-masonry -->/m';
global $post;
/**
* Resolves a fatal error bug on PHP 8+ with Timber.
*
* @see https://wordpress.org/support/topic/the-method-has_masonry_v1_block-produces-a-fatal-error-on-php-8-0-22-and-above/
*/
$post_content = ! empty( $post ) ? $post->post_content : get_the_content();
preg_match_all( $v1_regex, $post_content, $matches );
return isset( $matches[0] ) && isset( $matches[0][2] ) && ! empty( $matches[0][2] );
}
/**
* Return whether a post type should display the Block Editor.
*
* @param string $post_type The post_type slug to check.
*/
protected function is_post_type_gutenberg( $post_type ) {
return use_block_editor_for_post_type( $post_type );
}
/**
* Return whether the page we are on is loading the Block Editor.
*/
protected function is_page_gutenberg() {
if ( ! is_admin() ) {
return false;
}
$admin_page = isset( $_SERVER['REQUEST_URI'] ) ? wp_basename( esc_url_raw( filter_var( wp_unslash( $_SERVER['REQUEST_URI'] ), FILTER_SANITIZE_URL ) ) ) : false;
if ( ! $admin_page ) {
return false;
}
if ( false !== strpos( $admin_page, 'post-new.php' ) && empty( $_GET['post_type'] ) ) {
return true;
}
if ( false !== strpos( $admin_page, 'post-new.php' ) && isset( $_GET['post_type'] ) && $this->is_post_type_gutenberg( filter_input( INPUT_GET, wp_unslash( $_GET['post_type'] ), FILTER_SANITIZE_SPECIAL_CHARS ) ) ) {
return true;
}
if ( false !== strpos( $admin_page, 'post.php' ) && isset( $_GET['post'] ) ) {
$post = filter_input( INPUT_GET, wp_unslash( $_GET['post'] ) );
if ( ! $post ) {
return false;
}
$wp_post = get_post( htmlspecialchars( $post ) );
if ( isset( $wp_post ) && isset( $wp_post->post_type ) && $this->is_post_type_gutenberg( $wp_post->post_type ) ) {
return true;
}
}
if ( false !== strpos( $admin_page, 'revision.php' ) && isset( $_GET['revision'] ) ) {
$revision = filter_input( INPUT_GET, wp_unslash( $_GET['revision'] ) );
if ( ! $revision ) {
return false;
}
$wp_post = get_post( htmlspecialchars( $revision ) );
$post_parent = get_post( $wp_post->post_parent );
if ( isset( $post_parent ) && isset( $post_parent->post_type ) && $this->is_post_type_gutenberg( $post_parent->post_type ) ) {
return true;
}
}
return false;
}
/**
* Determine if the page content contains an element with a coblocks-animate class.
*
* @return boolean True when an element on the page has .coblocks-animate class, else false.
*/
public function has_coblocks_animation() {
global $post;
/**
* Resolves a fatal error bug on PHP 8+ with Timber.
*
* @see https://wordpress.org/support/topic/the-method-has_masonry_v1_block-produces-a-fatal-error-on-php-8-0-22-and-above/
*/
$post_content = ! empty( $post ) ? $post->post_content : get_the_content();
return false !== strpos( $post_content, 'coblocks-animate' );
}
}
CoBlocks_Block_Assets::register();