first commit

wp-content/plugins/sitepress-multilingual-cms/classes/block-editor/class-wpml-block-editor-helper.php

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+<?php
+
+/**
+ * Class WPML_Block_Editor_Helper
+ */
+class WPML_Block_Editor_Helper {
+
+	/**
+	 * Check if Block Editor is active.
+	 * Must only be used after plugins_loaded action is fired.
+	 *
+	 * @return bool
+	 */
+	public static function is_active() {
+		// Gutenberg plugin is installed and activated.
+		$gutenberg = ! ( false === has_filter( 'replace_editor', 'gutenberg_init' ) );
+
+		// Block editor since 5.0.
+		$block_editor = version_compare( $GLOBALS['wp_version'], '5.0-beta', '>' );
+
+		if ( ! $gutenberg && ! $block_editor ) {
+			return false;
+		}
+
+		if ( self::is_classic_editor_plugin_active() ) {
+			$editor_option       = get_option( 'classic-editor-replace' );
+			$block_editor_active = array( 'no-replace', 'block' );
+
+			return in_array( $editor_option, $block_editor_active, true );
+		}
+
+		return true;
+	}
+
+	/**
+	 * Check if it is admin page to edit any type of post with Block Editor.
+	 * Must be used not earlier than plugins_loaded action fired.
+	 *
+	 * @return bool
+	 */
+	public static function is_edit_post() {
+		$current_screen = get_current_screen();
+		return $current_screen && 'post' === $current_screen->base && self::is_active() && self::is_block_editor( $current_screen );
+	}
+
+	/**
+	 * Check if Classic Editor plugin is active.
+	 *
+	 * @return bool
+	 */
+	public static function is_classic_editor_plugin_active() {
+		if ( ! function_exists( 'is_plugin_active' ) ) {
+			include_once ABSPATH . 'wp-admin/includes/plugin.php';
+		}
+
+		if ( is_plugin_active( 'classic-editor/classic-editor.php' ) ) {
+			return true;
+		}
+
+		return false;
+	}
+
+	public static function is_block_editor( $current_screen ) {
+		if ( version_compare( $GLOBALS['wp_version'], '5.0-beta', '>' ) ) {
+			return $current_screen->is_block_editor();
+		} else {
+			return false;
+		}
+	}
+}