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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; /** * Form Field class for the Joomla Platform. * Implements a combo box field. * * @since 1.7.0 */ class ComboField extends ListField { /** * The form field type. * * @var string * @since 1.7.0 */ protected $type = 'Combo'; /** * Name of the layout being used to render the field * * @var string * @since 3.8.0 */ protected $layout = 'joomla.form.field.combo'; /** * Method to get the field input markup for a combo box field. * * @return string The field input markup. * * @since 1.7.0 */ protected function getInput() { if (empty($this->layout)) { throw new \UnexpectedValueException(sprintf('%s has no layout assigned.', $this->name)); } return $this->getRenderer($this->layout)->render($this->getLayoutData()); } /** * Method to get the data to be passed to the layout for rendering. * * @return array * * @since 3.8.0 */ protected function getLayoutData() { $data = parent::getLayoutData(); // Get the field options. $options = $this->getOptions(); $extraData = array( 'options' => $options, ); return array_merge($data, $extraData); } }