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365 lines
9.1 KiB
PHP

<?php
if ( ! defined( 'ABSPATH' ) ) {
// Exit if accessed directly.
exit;
}
/**
* Compatibility for the Advanced Custom Fields plugin.
*
* @since 3.17.2
*
* @link https://www.advancedcustomfields.com/
*/
class ET_Builder_Plugin_Compat_Advanced_Custom_Fields extends ET_Builder_Plugin_Compat_Base {
/**
* Constructor.
*
* @since 3.17.2
*/
public function __construct() {
$this->plugin_id = $this->_get_plugin_id();
$this->init_hooks();
}
/**
* Get the currently activated ACF plugin id as the FREE and PRO versions are separate plugins.
*
* @since 3.18
*
* @return string
*/
protected function _get_plugin_id() {
if ( ! function_exists( 'is_plugin_active' ) ) {
require_once ABSPATH . 'wp-admin/includes/plugin.php';
}
$pro = 'advanced-custom-fields-pro/acf.php';
$free = 'advanced-custom-fields/acf.php';
return is_plugin_active( $pro ) ? $pro : $free;
}
/**
* Hook methods to WordPress.
*
* @since 3.17.2
*
* @return void
*/
public function init_hooks() {
// Bail if there's no version found.
if ( ! $this->get_plugin_version() ) {
return;
}
add_filter( 'et_builder_dynamic_content_meta_value', array( $this, 'maybe_filter_dynamic_content_meta_value' ), 10, 3 );
add_filter( 'et_builder_custom_dynamic_content_fields', array( $this, 'maybe_filter_dynamic_content_fields' ), 10, 3 );
}
/**
* Format ACF meta values accordingly.
*
* @since 3.17.2
*
* @param string $meta_value
* @param string $meta_key
* @param integer $post_id
*
* @return string
*/
public function maybe_filter_dynamic_content_meta_value( $meta_value, $meta_key, $post_id ) {
global $wp_query;
$post_type = get_post_type( $post_id );
$identifier = $post_id;
if ( et_theme_builder_is_layout_post_type( $post_type ) ) {
return $this->format_placeholder_value( $meta_key, $post_id );
}
$is_blog_query = isset( $wp_query->et_pb_blog_query ) && $wp_query->et_pb_blog_query;
if ( ! $is_blog_query && ( is_category() || is_tag() || is_tax() ) ) {
$term = get_queried_object();
$identifier = "{$term->taxonomy}_{$term->term_id}";
} elseif ( is_author() ) {
$user = get_queried_object();
$identifier = "user_{$user->ID}";
}
$acf_value = get_field( $meta_key, $identifier );
if ( false === $acf_value ) {
return $meta_value;
}
$acf_field = get_field_object( $meta_key, $post_id, array( 'load_value' => false ) );
$acf_value = $this->format_field_value( $acf_value, $acf_field );
if ( is_array( $acf_value ) || is_object( $acf_value ) ) {
// Avoid exposing unformatted values.
$acf_value = '';
}
return (string) $acf_value;
}
/**
* Format ACF dynamic content field.
*
* @since 3.17.2
*
* @param array[] $custom_fields
* @param int $post_id
* @param mixed[] $raw_custom_fields
*
* @return array[] modified $custom_fields
*/
public function maybe_filter_dynamic_content_fields( $custom_fields, $post_id, $raw_custom_fields ) {
if ( ! $post_id || et_theme_builder_is_layout_post_type( get_post_type( $post_id ) ) ) {
$post_id = 0;
}
return $this->maybe_filter_dynamic_content_fields_from_groups( $custom_fields, $post_id, $raw_custom_fields );
}
/**
* Format ACF dynamic content fields for TB layouts.
*
* @since 4.0.9
*
* @param array[] $custom_fields
* @param int $post_id
* @param mixed[] $raw_custom_fields
*
* @return array[] modified $custom_fields
*/
public function maybe_filter_dynamic_content_fields_from_groups( $custom_fields, $post_id, $raw_custom_fields ) {
$groups = 0 !== $post_id ? acf_get_field_groups( array( 'post_id' => $post_id ) ) : acf_get_field_groups();
foreach ( $groups as $group ) {
$fields = $this->expand_fields( acf_get_fields( $group['ID'] ) );
foreach ( $fields as $field ) {
if ( 'group' === $field['type'] ) {
// Remove all group fields as ACF stores empty values for them.
unset( $custom_fields[ "custom_meta_{$field['name']}" ] );
continue;
}
$settings = array(
'label' => esc_html( $field['label'] ),
'type' => 'any',
'fields' => array(
'before' => array(
'label' => et_builder_i18n( 'Before' ),
'type' => 'text',
'default' => '',
'show_on' => 'text',
),
'after' => array(
'label' => et_builder_i18n( 'After' ),
'type' => 'text',
'default' => '',
'show_on' => 'text',
),
),
'meta_key' => $field['name'],
'custom' => true,
'group' => "ACF: {$group['title']}",
);
if ( current_user_can( 'unfiltered_html' ) ) {
$settings['fields']['enable_html'] = array(
'label' => esc_html__( 'Enable raw HTML', 'et_builder' ),
'type' => 'yes_no_button',
'options' => array(
'on' => et_builder_i18n( 'Yes' ),
'off' => et_builder_i18n( 'No' ),
),
// Set enable_html default to `on` for taxonomy fields so builder
// automatically renders taxonomy list properly as unescaped HTML.
'default' => 'taxonomy' === $field['type'] ? 'on' : 'off',
'show_on' => 'text',
);
}
$custom_fields[ "custom_meta_{$field['name']}" ] = $settings;
}
}
return $custom_fields;
}
/**
* Expand ACF fields into their subfields in the order they are specified, if any.
*
* @since 4.0.9
*
* @param array[] $fields
* @param string $name_prefix
* @param string $label_prefix
*
* @return array[]
*/
public function expand_fields( $fields, $name_prefix = '', $label_prefix = '' ) {
$expanded = array();
foreach ( $fields as $field ) {
$expanded[] = array(
array_merge(
$field,
array(
'name' => $name_prefix . $field['name'],
'label' => $label_prefix . $field['label'],
)
),
);
if ( 'group' === $field['type'] ) {
$expanded[] = $this->expand_fields(
$field['sub_fields'],
$name_prefix . $field['name'] . '_',
$label_prefix . $field['label'] . ': '
);
}
}
if ( empty( $expanded ) ) {
return array();
}
// @phpcs:ignore Generic.PHP.ForbiddenFunctions.Found
return call_user_func_array( 'array_merge', $expanded );
}
/**
* Format a field value based on the field type.
*
* @param mixed $value
* @param array $field
*
* @return mixed
*/
protected function format_field_value( $value, $field ) {
if ( ! is_array( $field ) || empty( $field['type'] ) ) {
return $value;
}
switch ( $field['type'] ) {
case 'image':
$format = isset( $field['return_format'] ) ? $field['return_format'] : 'url';
switch ( $format ) {
case 'array':
$value = esc_url( wp_get_attachment_url( intval( $value['id'] ) ) );
break;
case 'id':
$value = esc_url( wp_get_attachment_url( intval( $value ) ) );
break;
}
break;
case 'select':
case 'checkbox':
$value = is_array( $value ) ? $value : array( $value );
$value_labels = array();
foreach ( $value as $value_key ) {
$choice_label = isset( $field['choices'][ $value_key ] ) ? $field['choices'][ $value_key ] : '';
if ( ! empty( $choice_label ) ) {
$value_labels[] = $choice_label;
}
}
$value = implode( ', ', $value_labels );
break;
case 'true_false':
$value = et_builder_i18n( $value ? 'Yes' : 'No' );
break;
case 'taxonomy':
// If taxonomy configuration exist, get HTML output of given value (ids).
if ( isset( $field['taxonomy'] ) ) {
$terms = get_terms(
array(
'taxonomy' => $field['taxonomy'],
'include' => $value,
)
);
$link = 'on';
$separator = ', ';
if ( is_array( $terms ) ) {
$value = et_builder_list_terms( $terms, $link, $separator );
}
}
break;
default:
// Handle multiple values for which a more appropriate formatting method is not available.
if ( isset( $field['multiple'] ) && $field['multiple'] ) {
$value = implode( ', ', $value );
}
break;
}
// Value escaping left to the user to decide since some fields hold rich content.
$value = et_core_esc_previously( $value );
return $value;
}
/**
* Format a placeholder value based on the field type.
*
* @param string $meta_key
* @param integer $post_id
*
* @return mixed
*/
protected function format_placeholder_value( $meta_key, $post_id ) {
if ( function_exists( 'acf_get_field' ) ) {
$field = acf_get_field( $meta_key );
} else {
$field = get_field_object( $meta_key, false, array( 'load_value' => false ) );
}
if ( ! is_array( $field ) || empty( $field['type'] ) ) {
return esc_html__( 'Your ACF Field Value Will Display Here', 'et_builder' );
}
$value = esc_html(
sprintf(
// Translators: %1$s: ACF Field name
__( 'Your "%1$s" ACF Field Value Will Display Here', 'et_builder' ),
$field['label']
)
);
switch ( $field['type'] ) {
case 'image':
$value = ET_BUILDER_PLACEHOLDER_LANDSCAPE_IMAGE_DATA;
break;
case 'taxonomy':
$value = esc_html(
implode(
', ',
array(
__( 'Category 1', 'et_builder' ),
__( 'Category 2', 'et_builder' ),
__( 'Category 3', 'et_builder' ),
)
)
);
break;
}
return $value;
}
}
new ET_Builder_Plugin_Compat_Advanced_Custom_Fields();