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* @license GNU General Public License version 2 or later; see LICENSE.txt */ defined('_JEXEC') or die; use Joomla\CMS\Form\Form; /** * Fields Media Plugin * * @since 3.7.0 */ class PlgFieldsMedia extends \Joomla\Component\Fields\Administrator\Plugin\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 $form The form. * * @return DOMElement * * @since 4.0.0 */ public function onCustomFieldsPrepareDom($field, DOMElement $parent, Form $form) { $fieldNode = parent::onCustomFieldsPrepareDom($field, $parent, $form); if (!$fieldNode) { return $fieldNode; } $fieldNode->setAttribute('type', 'accessiblemedia'); return $fieldNode; } /** * Before prepares the field value. * * @param string $context The context. * @param \stdclass $item The item. * @param \stdclass $field The field. * * @return void * * @since 4.0.0 */ public function onCustomFieldsBeforePrepareField($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); } /** * 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('imagefile' => $value, 'alt_text' => ''); } }