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plugins/fields/mediajce/mediajce.php

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+<?php
+/**
+ * @package     JCE.Plugin
+ * @subpackage  Fields.Media_Jce
+ *
+ * @copyright   Copyright (C) 2005 - 2019 Open Source Matters, Inc. All rights reserved.
+ * @copyright   Copyright (C) 2020 Ryan Demmer. All rights reserved.
+ * @license     GNU General Public License version 2 or later; see LICENSE.txt
+ */
+
+defined('_JEXEC') or die;
+
+use Joomla\CMS\Form\Form;
+
+// use legacy import to support J3.9
+JLoader::import('components.com_fields.libraries.fieldsplugin', JPATH_ADMINISTRATOR);
+
+Form::addFieldPath(__DIR__ . '/fields');
+
+/**
+ * Fields MediaJce Plugin
+ *
+ * @since  2.6.27
+ */
+class PlgFieldsMediaJce extends FieldsPlugin
+{    
+    /**
+	 * Transforms the field into a DOM XML element and appends it as a child on the given parent.
+	 *
+	 * @param   stdClass    $field   The field.
+	 * @param   DOMElement  $parent  The field node parent.
+	 * @param   Form        $form    The form.
+	 *
+	 * @return  DOMElement
+	 *
+	 * @since   3.7.0
+	 */
+	public function onCustomFieldsPrepareDom($field, DOMElement $parent, Form $form)
+	{
+		$fieldNode = parent::onCustomFieldsPrepareDom($field, $parent, $form);
+
+		if (!$fieldNode)
+		{
+			return $fieldNode;
+		}
+
+		$fieldParams = clone $this->params;
+        $fieldParams->merge($field->fieldparams);
+
+		// reset from parent
+		$fieldNode->setAttribute('type', 'mediajce');
+
+		if ((int) $fieldParams->get('extendedmedia', 0) == 1) {
+			$fieldNode->setAttribute('type', 'extendedmedia');
+		}
+
+		return $fieldNode;
+	}
+
+	/**
+	 * Before prepares the field value.
+	 *
+	 * @param   string     $context  The context.
+	 * @param   \stdclass  $item     The item.
+	 * @param   \stdclass  $field    The field.
+	 *
+	 * @return  void
+	 *
+	 * @since   3.7.0
+	 */
+	public function onCustomFieldsBeforePrepareField($context, $item, $field)
+	{
+		// Check if the field should be processed by us
+		if (!$this->isTypeSupported($field->type))
+		{
+			return;
+		}
+
+		// Check if the field value is an old (string) value
+		$field->value = $this->checkValue($field->value);
+
+		$fieldParams = clone $this->params;
+        $fieldParams->merge($field->fieldparams);
+
+		// if extendedmedia is disabled, use restricted media support
+		if ((int) $fieldParams->get('extendedmedia', 0) == 0) {
+			$field->value['media_supported'] = array('img', 'a');
+		}
+	}
+
+	/**
+	 * Before prepares the field value.
+	 *
+	 * @param   string  $value  The value to check.
+	 *
+	 * @return  array  The checked value
+	 *
+	 * @since   4.0.0
+	 */
+	private function checkValue($value)
+	{
+		json_decode($value);
+
+		if (json_last_error() === JSON_ERROR_NONE)
+		{
+			return (array) json_decode($value, true);
+		}
+
+		return array('media_src' => $value, 'media_text' => '');
+	}
+}