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* @license GNU General Public License version 2 or later; see LICENSE.txt */ namespace Joomla\CMS\Form\Field; \defined('JPATH_PLATFORM') or die; /** * The Field to load the form inside current form * * @since 4.0.0 */ class AccessiblemediaField extends SubformField { /** * The form field type. * * @var string * @since 4.0.0 */ protected $type = 'Accessiblemedia'; /** * The preview. * * @var string * @since 4.0.0 */ protected $preview; /** * The directory. * * @var string * @since 4.0.0 */ protected $directory; /** * The previewWidth. * * @var integer * @since 4.0.0 */ protected $previewWidth; /** * The previewHeight. * * @var integer * @since 4.0.0 */ protected $previewHeight; /** * Layout to render * * @var string * @since 4.0.0 */ protected $layout; /** * Method to get certain otherwise inaccessible properties from the form field object. * * @param string $name The property name for which to get the value. * * @return mixed The property value or null. * * @since 4.0.0 */ public function __get($name) { switch ($name) { case 'directory': case 'preview': case 'previewHeight': case 'previewWidth': return $this->$name; } return parent::__get($name); } /** * Method to set certain otherwise inaccessible properties of the form field object. * * @param string $name The property name for which to set the value. * @param mixed $value The value of the property. * * @return void * * @since 4.0.0 */ public function __set($name, $value) { switch ($name) { case 'directory': case 'preview': $this->$name = (string) $value; break; case 'previewHeight': case 'previewWidth': $this->$name = (int) $value; break; default: parent::__set($name, $value); } } /** * Method to attach a Form object to the field. * * @param \SimpleXMLElement $element The SimpleXMLElement object representing the
tag for the form field object. * @param mixed $value The form field value to validate. * @param string $group The field name group control value. * * @return boolean True on success. * * @since 4.0.0 */ public function setup(\SimpleXMLElement $element, $value, $group = null) { /** * If the value is not a string, it is * most likely within a custom field of type subform * and the value is a stdClass with properties * imagefile and alt_text. So it is fine. */ if (\is_string($value)) { json_decode($value); // Check if value is a valid JSON string. if ($value !== '' && json_last_error() !== JSON_ERROR_NONE) { /** * If the value is not empty and is not a valid JSON string, * it is most likely a custom field created in Joomla 3 and * the value is a string that contains the file name. */ if (is_file(JPATH_ROOT . '/' . $value)) { $value = '{"imagefile":"' . $value . '","alt_text":""}'; } else { $value = ''; } } } elseif (!is_object($value) || !property_exists($value, 'imagefile') || !property_exists($value, 'alt_text')) { return false; } if (!parent::setup($element, $value, $group)) { return false; } $this->directory = (string) $this->element['directory']; $this->preview = (string) $this->element['preview']; $this->previewHeight = isset($this->element['preview_height']) ? (int) $this->element['preview_height'] : 200; $this->previewWidth = isset($this->element['preview_width']) ? (int) $this->element['preview_width'] : 200; $xml = <<
XML; $this->formsource = $xml; $this->layout = 'joomla.form.field.media.accessiblemedia'; return true; } }