Adds a custom “Children of Page” condition in Elementor Theme Builder.

Adds a custom “Children of Page” condition in Elementor Theme Builder, allowing you to apply a template automatically to all child pages of a selected parent page.

🎯 What it’s for:

Used when you have a structured page hierarchy (e.g., Areas We Serve → City Pages) and want to use one dynamic template instead of assigning it manually to each page.

✅ How to Use:

Go to Elementor → Single Post/Page Template → Display Conditions

Select: Include → Pages → Children of Page

Choose the parent page (e.g., Areas We Serve)

✅ Code:

if ( ! defined( 'ABSPATH' ) ) {
    exit;
}
add_action( 'elementor/theme/register_conditions', function( $conditions_manager ) {
    if ( ! class_exists( 'ElementorProModulesThemeBuilderConditionsCondition_Base' ) ) {
        return;
    }
    $singular_condition = $conditions_manager->get_condition( 'singular' );
    if ( ! $singular_condition || ! method_exists( $singular_condition, 'register_sub_condition' ) ) {
        return;
    }
    class Techup_Elementor_Children_Of_Page_Condition extends ElementorProModulesThemeBuilderConditionsCondition_Base {
        public static function get_type() {
            return 'singular';
        }
        public function get_name() {
            return 'children_of_page';
        }
        public function get_label() {
            return __( 'Children of Page', 'textdomain' );
        }
        public function get_group() {
            return 'page';
        }
        public function get_all_label() {
            return __( 'All Child Pages', 'textdomain' );
        }
        public function check( $args ) {
            if ( ! is_page() ) {
                return false;
            }
            $current_post_id = get_queried_object_id();
            if ( ! $current_post_id ) {
                return false;
            }
            $current_parent_id = wp_get_post_parent_id( $current_post_id );
            // Elementor can sometimes pass different keys depending on version/context.
            $selected_parent_id = 0;
            if ( ! empty( $args['parent_page_id'] ) ) {
                $selected_parent_id = absint( $args['parent_page_id'] );
            } elseif ( ! empty( $args['id'] ) ) {
                $selected_parent_id = absint( $args['id'] );
            }
            if ( ! $selected_parent_id ) {
                return false;
            }
            return (int) $current_parent_id === (int) $selected_parent_id;
        }
        public function get_control_value() {
            $parent_page_id = $this->get_settings( 'parent_page_id' );
            if ( ! $parent_page_id ) {
                return '';
            }
            return get_the_title( $parent_page_id );
        }
        protected function register_controls() {
            $this->start_controls_section(
                'section_parent_page',
                [
                    'label' => __( 'Parent Page', 'textdomain' ),
                ]
            );
            $this->add_control(
                'parent_page_id',
                [
                    'label'       => __( 'Select Parent Page', 'textdomain' ),
                    'type'        => ElementorControls_Manager::SELECT2,
                    'label_block' => true,
                    'options'     => $this->get_pages_options(),
                ]
            );
            $this->end_controls_section();
        }
        private function get_pages_options() {
            $pages = get_pages(
                [
                    'sort_column' => 'post_title',
                    'sort_order'  => 'ASC',
                ]
            );
            $options = [];
            if ( $pages ) {
                foreach ( $pages as $page ) {
                    $options[ $page->ID ] = $page->post_title . ' (#' . $page->ID . ')';
                }
            }
            return $options;
        }
    }
    $singular_condition->register_sub_condition(
        new Techup_Elementor_Children_Of_Page_Condition()
    );
}, 20 );