primo commit

plugins/fields/media/src/Extension/Media.php

@@ -0,0 +1,96 @@
+<?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' => ''];
+    }
+}