first commit

wp-content/plugins/sitepress-multilingual-cms/classes/translation-dashboard/class-wpml-tm-parent-filter-ajax-factory.php

@@ -0,0 +1,9 @@
+<?php
+
+class WPML_TM_Parent_Filter_Ajax_Factory implements IWPML_AJAX_Action_Loader {
+
+	public function create() {
+		global $sitepress, $wp_post_types;
+		return new WPML_TM_Parent_Filter_Ajax( $sitepress, array_keys( $wp_post_types ) );
+	}
+}

wp-content/plugins/sitepress-multilingual-cms/classes/translation-dashboard/class-wpml-tm-parent-filter-ajax.php

@@ -0,0 +1,57 @@
+<?php
+
+class WPML_TM_Parent_Filter_Ajax implements IWPML_Action {
+
+	/** @var SitePress $sitepress */
+	private $sitepress;
+
+	/** @var array $wp_post_types */
+	private $wp_post_types;
+
+	public function __construct( SitePress $sitepress, array $wp_post_types ) {
+		$this->sitepress     = $sitepress;
+		$this->wp_post_types = $wp_post_types;
+	}
+
+	public function add_hooks() {
+		add_action( 'wp_ajax_icl_tm_parent_filter', array( $this, 'get_parents_dropdown' ) );
+	}
+
+	public function get_parents_dropdown() {
+		$current_language       = $this->sitepress->get_current_language();
+		$request_post_type      = filter_var( $_POST['type'], FILTER_SANITIZE_FULL_SPECIAL_CHARS, FILTER_NULL_ON_FAILURE );
+		$request_post_lang      = filter_var( $_POST['from_lang'], FILTER_SANITIZE_FULL_SPECIAL_CHARS, FILTER_NULL_ON_FAILURE );
+		$request_post_parent_id = filter_var( $_POST['parent_id'], FILTER_SANITIZE_NUMBER_INT, FILTER_NULL_ON_FAILURE );
+
+		$this->sitepress->switch_lang( $request_post_lang );
+
+		if ( in_array( $request_post_type, $this->wp_post_types ) ) {
+			$html = wp_dropdown_pages(
+				array(
+					'echo'     => 0,
+					'name'     => 'filter[parent_id]',
+					'selected' => $request_post_parent_id,
+				)
+			);
+		} else {
+			$html = wp_dropdown_categories(
+				array(
+					'echo'          => 0,
+					'orderby'       => 'name',
+					'name'          => 'filter[parent_id]',
+					'selected'      => $request_post_parent_id,
+					'taxonomy'      => $request_post_type,
+					'hide_if_empty' => true,
+				)
+			);
+		}
+
+		$this->sitepress->switch_lang( $current_language );
+
+		if ( ! $html ) {
+			$html = esc_html__( 'None found', 'wpml-translation-management' );
+		}
+
+		wp_send_json_success( array( 'html' => $html ) );
+	}
+}