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<?php
/**
* @package Joomla.Plugin
* @subpackage Fields.media
*
* @copyright (C) 2017 Open Source Matters, Inc. <https://www.joomla.org>
* @license GNU General Public License version 2 or later; see LICENSE.txt
*/
namespace Joomla\Plugin\Fields\Media\Extension;
use Joomla\CMS\Form\Form;
use Joomla\Component\Fields\Administrator\Plugin\FieldsPlugin;
// phpcs:disable PSR1.Files.SideEffects
\defined('_JEXEC') or die;
// phpcs:enable PSR1.Files.SideEffects
/**
* Fields Media Plugin
*
* @since 3.7.0
*/
final class Media 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 $form The form.
*
* @return \DOMElement
*
* @since 4.0.0
*/
public function onCustomFieldsPrepareDom($field, \DOMElement $parent, Form $form)
{
$fieldNode = parent::onCustomFieldsPrepareDom($field, $parent, $form);
if (!$fieldNode) {
return $fieldNode;
}
$fieldNode->setAttribute('type', 'accessiblemedia');
if ($this->getApplication()->getIdentity()->authorise('core.create', 'com_media')) {
$fieldNode->setAttribute('disabled', 'false');
}
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 ['imagefile' => $value, 'alt_text' => ''];
}
}