first commit

administrator/components/com_jchoptimize/fields/cssbgimages.php

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+<?php
+
+/**
+ * JCH Optimize - Performs several front-end optimizations for fast downloads
+ *
+ *  @package   jchoptimize/core
+ *  @author    Samuel Marshall <samuel@jch-optimize.net>
+ *  @copyright Copyright (c) 2022 Samuel Marshall / JCH Optimize
+ *  @license   GNU/GPLv3, or later. See LICENSE file
+ *
+ *  If LICENSE file missing, see <http://www.gnu.org/licenses/>.
+ */
+
+use JchOptimize\Core\Admin\Helper;
+
+defined( '_JEXEC' ) or die;
+
+include_once dirname( __FILE__ ) . '/exclude.php';
+
+class JFormFieldCssbgimages extends JFormFieldExclude
+{
+	public $type = 'cssbgimages';
+	public string $filetype = 'css';
+	public string $filegroup = 'class';
+
+	protected function getInput()
+	{
+		if ( ! JCH_PRO )
+		{
+			return Helper::proOnlyField();
+		}
+		else
+		{
+			return parent::getInput();
+		}
+	}
+}