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<?php

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/**

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* Option Templates helper methods.

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* @since 3.28

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* Class ET_Builder_Module_Helper_OptionTemplate

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class ET_Builder_Module_Helper_OptionTemplate {

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private $map = array();

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private $templates = array();

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private $data = array();

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private $cache = array();

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private $tab_slug_map = array();

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public $template_prefix = '%t';

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protected static $_ = null;

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public static function instance() {

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static $instance;

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return $instance ? $instance : $instance = new self();

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}

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private function __construct() {

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self::$_ = ET_Core_Data_Utils::instance();

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}

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private function uniq( $prefix, $content ) {

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$key = md5( $prefix . serialize( $content ) );

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if ( isset( $this->map[ $key ] ) ) {

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return $this->map[ $key ];

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}

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return ( $this->map[ $key ] = $this->template_prefix . $key );

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}

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/**

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* Determine whether option template is enabled on current request or not

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* @since 3.28

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* @return bool

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public function is_enabled() {

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// Option template tends to be enabled on most request to speed up performance

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$status = true;

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// Option template is disabled on:

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// 1. AJAX request for fetching classic builder (BB)'s module data. BB data is shipped as

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// optimized template markup which is rendered on server then sent as string. Hence

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// Option Template's sent-config-rebuild-on-js won't be usable for BB

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// 2. BB's editing page. BB edit page scans for field dependency and generates visibility

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// setting on `window.et_pb_module_field_dependencies` variable for field depency thus

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// actual field should be rendered here instead of templateId

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if ( et_builder_is_loading_bb_data() || et_builder_is_bb_page() ) {

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$status = false;

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}

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/**

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* Filters option template status

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* @since 3.28

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* @param bool $status

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return apply_filters( 'et_builder_option_template_is_active', $status );

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}

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/**

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* Determine whether given field name is option template field based on its first two characters

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* @since 3.28

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* @return bool

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public function is_option_template_field( $field_name = '' ) {

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return $this->template_prefix === substr( $field_name, 0, 2 );

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}

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public function has( $key ) {

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return isset( $this->templates[ $key ] );

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}

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public function add( $key, $template ) {

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$fields_template = array_merge( $template, et_pb_responsive_options()->create( $template ) );

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// Populate tab_slug of given template because advance fields can be rendered on any tab

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foreach( $fields_template as $field_name => $field ) {

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if ( isset( $field['tab_slug'] ) ) {

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$tab_slug = '' === $field['tab_slug'] ? 'advanced' : $field['tab_slug'];

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if ( ! isset( $this->tab_slug_map[ $tab_slug ] ) ) {

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$this->tab_slug_map[ $tab_slug ] = array( $key );

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continue;

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}

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if ( ! in_array( $key, $this->tab_slug_map[ $tab_slug ] ) ) {

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$this->tab_slug_map[ $tab_slug ][] = $key;

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}

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}

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}

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$this->templates[ $key ] = $fields_template;

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}

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public function create( $key, $config, $return_template_id = false ) {

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$data = array( $key, $config );

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$id = $this->uniq( $key, $data );

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// Alternative, this will save the values directly in the Module $this->unprocessed_fields

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// instead of this Calls $this->data and hence require a simpler logic.

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// Theoretically it should require more memory but blackfire begs to differ.

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$this->data[ $id ] = $data;

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// Return as template id instead of id => key if needed

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if ( $return_template_id ) {

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return $id;

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}

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return array( $id => $key );

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}

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/**

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* Create placeholders for template's params

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* @return string[]

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public function placeholders( $config, $idx = 1, $path = array() ) {

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$placeholders = array();

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foreach ( $config as $key => $value ) {

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if ( is_array( $value ) ) {

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// Prepend current key as path so placeholder later can correctly fetch correct

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// value from template data using dot notation path (both lodash get() or utils's

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// array_get() support this).

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$path[] = $key;

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$value = $this->placeholders( $value, $idx, $path );

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} else {

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// Prepend dot notation path as prefix if needed

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$prefix = empty( $path ) ? '' : implode( '.', $path ) . '.';

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$value = "%%{$prefix}{$key}%%";

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}

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$placeholders[ $key ] = $value;

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$idx++;

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}

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return $placeholders;

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}

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/**

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* Get module's data

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* @return array[]

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public function all() {

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return $this->data;

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}

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/**

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* Get templates

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* @since 3.28

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* @return array

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public function templates() {

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return $this->templates;

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}

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/**

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* Set `$this->data` property from external source (ie: static field definition cache).

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* @since 3.28

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* @param array $cached_data

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public function set_data( $cached_data = array() ) {

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$this->data = wp_parse_args(

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$cached_data,

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$this->data

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);

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}

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/**

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* Set `$this->templates` property from external source (ie: static field definition cache).

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* @since 3.28

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* @param array $cached_template

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public function set_templates( $cached_templates = array() ) {

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$this->templates = wp_parse_args(

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$cached_templates,

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$this->templates

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);

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}

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/**

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* Set `$this->tab_slug_map` from external source (ie: static field definition cache).

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* @since 3.29

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* @param array $cached_tab_slug_map

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public function set_tab_slug_map( $cached_tab_slug_map = array() ) {

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$this->tab_slug_map = wp_parse_args(

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$cached_tab_slug_map,

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$this->tab_slug_map

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);

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}

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/**

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* Get template data based on given template id

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* @since 3.28

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* @param string $template_id

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* @return array

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public function get_data( $template_id = '' ) {

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return self::$_->array_get( $this->data, $template_id, array() );

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}

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/**

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* Get template based on given template type

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* @since 3.28

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* @param string $type

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* @return array

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public function get_template( $type = '' ) {

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return self::$_->array_get( $this->templates, $type, array() );

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}

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/**

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* Get hashed cache key based on params given

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* @since 3.28

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* @param mixed $params

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* @return string

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public function get_cache_key( $params ) {

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$params = is_string( $params ) ? $params : serialize( $params );

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return md5( $params );

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}

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/**

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* Get cached value

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* Return null if no cached value found

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* @since 3.28

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* @param string $name

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* @param string $key

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* @return mixed

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public function get_cache( $name, $key ) {

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return self::$_->array_get( $this->cache, "{$name}.{$key}", null );

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}

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/**

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* Set value to be cached

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* @since 3.28

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* @param string $name

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* @param string $key

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* @param mixed $value

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* @return void

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public function set_cache( $name, $key, $value ) {

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self::$_->array_set( $this->cache, "{$name}.{$key}", $value );

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}

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/**

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* Get placeholder of given template

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* @since 3.28

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* @param string $template

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* @return array|bool

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public function get_template_placeholder( $template ) {

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// Check for cached result first for faster performance

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$cache_name = 'template_placeholder';

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$cache_key = $this->get_cache_key( $template );

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$cache = $this->get_cache( $cache_name, $cache_key );

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if ( ! is_null( $cache ) ) {

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return $cache;

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}

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preg_match( '/(?<=%%).*(?=%%)/', $template, $placeholder );

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// Cache result

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$this->set_cache( $cache_name, $cache_key, $placeholder );

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return $placeholder;

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}

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/**

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* Get tab slug maps

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* @since 3.29

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* @return array

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public function get_tab_slug_map() {

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return $this->tab_slug_map;

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}

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public function is_template_inside_tab( $tab_name, $template_type ) {

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// Template which has `%%tab_slug%%` tab_slug can exist on any tab

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if ( in_array( $template_type, self::$_->array_get( $this->tab_slug_map, '%%tab_slug%%', array() ) ) ) {

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return true;

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}

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if ( in_array( $template_type, self::$_->array_get( $this->tab_slug_map, $tab_name, array() ) ) ) {

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return true;

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}

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return false;

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}

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public function rebuild_string_placeholder( $template, $data = array(), $settings = array() ) {

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// Placeholder settings

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$default_settings = array(

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'suffix' => '',

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'remove_suffix_if_empty' => false,

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);

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$placeholder_settings = wp_parse_args( $settings, $default_settings );

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// Check for cached result first for faster performance

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$cache_name = 'string_placeholder';

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$cache_key = $this->get_cache_key( array( $template, $data, $placeholder_settings ) );

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$cache = $this->get_cache( $cache_name, $cache_key );

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if ( ! is_null( $cache ) ) {

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return $cache;

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}

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// Get placeholder

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$placeholder = is_string( $template ) ? $this->get_template_placeholder( $template ) : false;

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// If found, replace placeholder with correct value from data

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if ( is_array( $placeholder ) && isset( $placeholder[0] ) ) {

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// Get placeholder replacement

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$replacement = self::$_->array_get( $data, "1.{$placeholder[0]}" );

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// Pass null as empty string; null as attribute affect builder differently.

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// Attribute with empty string will be omitted later.

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if ( is_null( $replacement ) ) {

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$replacement = '';

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}

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// If placeholder is identical to template, return replacement early. This also

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// handles the case where replacement as array type

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if ( "%%{$placeholder[0]}%%" === $template ) {

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// Cache result

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$this->set_cache( $cache_name, $cache_key, $replacement );

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return $replacement;

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}

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// Get placeholder suffix

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$has_suffix = '' === $replacement && $placeholder_settings['remove_suffix_if_empty'];

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$suffix = $has_suffix ? $placeholder_settings['suffix'] : '';

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// Make sure replacement is string before proceed;

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if ( is_string( $replacement ) ) {

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$rebuilt_string = str_replace( "%%{$placeholder[0]}%%{$suffix}", $replacement, $template );

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// Cache result

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$this->set_cache( $cache_name, $cache_key, $rebuilt_string );

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return $rebuilt_string;

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}

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}

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// Cache result

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$this->set_cache( $cache_name, $cache_key, $template );

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return $template;

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}

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public function rebuild_preset_placeholder( $template, $data = array(), $settings = array() ) {

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// Check for cached result first for faster performance

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$cache_name = 'preset_placeholder';

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$cache_key = $this->get_cache_key( array( $template, $data, $settings ) );

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$cache = $this->get_cache( $cache_name, $cache_key );

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if ( ! is_null( $cache ) ) {

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return $cache;

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}

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$rebuild_attr = array();

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foreach ( $template as $preset_attr_key => $preset_attr_value ) {

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// Object inside preset array mostly contains fields attribute which its object key

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// contains placeholder while its object value contains actual value without placeholder.

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if ( is_array( $preset_attr_value ) ) {

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$rebuilt_preset_attr_object = array();

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foreach( $preset_attr_value as $name => $value ) {

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$object_item_name = $this->rebuild_string_placeholder( $name, $data, $settings );

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$rebuilt_preset_attr_object[ $object_item_name ] = $value;

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}

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$rebuild_attr[ $preset_attr_key ] = $rebuilt_preset_attr_object;

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continue;

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}

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$rebuild_attr[ $preset_attr_key ] = $preset_attr_value;

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}

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// Cache result

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$this->set_cache( $cache_name, $cache_key, $rebuild_attr );

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return $rebuild_attr;

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}

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public function rebuild_composite_structure_placeholder( $template_type, $template, $data = array() ) {

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// Check for cached result first for faster performance

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$cache_name = 'composite_structure_placeholder';

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$cache_key = $this->get_cache_key( array( $template_type, $template, $data ) );

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$cache = $this->get_cache( $cache_name, $cache_key );

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if ( ! is_null( $cache ) ) {

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return $cache;

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}

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$rebuilt_composite_structure_field = $template;

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// Replaces placeholder with actual value on border's nested composite structure fields

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if ( 'border' === $template_type ) {

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// Reset `controls` attribute output

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$rebuilt_composite_structure_field['controls'] = array();

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// Loop composite structure's original `controls` from template

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foreach ( $template['controls'] as $field_name => $field ) {

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$rebuilt_field_name = $this->rebuild_string_placeholder( $field_name, $data );

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$rebuilt_field = $field;

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// Loop field on composite structure controls

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foreach ( $rebuilt_field as $attr_name => $attr_value ) {

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$rebuilt_field[ $attr_name ] = $this->rebuild_string_placeholder( $attr_value, $data, array(

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'suffix' => 'label' === $attr_name ? ' ' : '',

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'remove_suffix_if_empty' => 'label' === $attr_name,

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) );

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}

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$rebuilt_composite_structure_field['controls'][ $rebuilt_field_name ] = $rebuilt_field;

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}

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}

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// Cache result

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$this->set_cache( $cache_name, $cache_key, $rebuilt_composite_structure_field );

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return $rebuilt_composite_structure_field;

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}

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public function rebuild_field_attr_value( $attr_name, $attr_value, $template_data ) {

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// Check for cached result first for faster performance

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$cache_name = 'field_attr_value';

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$cache_key = $this->get_cache_key( array( $attr_name, $attr_value, $template_data ) );

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$cache = $this->get_cache( $cache_name, $cache_key );

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if ( ! is_null( $cache ) ) {

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return $cache;

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}

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$template_type = self::$_->array_get( $template_data, '0', '' );

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$prefix = self::$_->array_get( $template_data, '1.prefix', '' );

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// Certain advanced field (ie. Text Shadow) automatically adds underscore

[491] Fix | Delete

$auto_add_prefix_underscore = isset( $template_data[0] ) &&'text_shadow' === $template_data[0] && '' === $prefix;

[492] Fix | Delete

[493] Fix | Delete

// 1. Field attribute value's type is string

[494] Fix | Delete

if ( is_string( $attr_value ) ) {

[495] Fix | Delete

$placeholder_has_space_suffix = 'label' === $attr_name && in_array( $template_type, array( 'border', 'text_shadow' ) );

[496] Fix | Delete

[497] Fix | Delete

$rebuilt_placeholder = $this->rebuild_string_placeholder( $attr_value, $template_data, array(

[498] Fix | Delete

'suffix' => $placeholder_has_space_suffix ? ' ' : '',

[499] Fix | Delete