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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; use Joomla\CMS\Factory; use Joomla\CMS\HTML\HTMLHelper; use Joomla\CMS\Language\Text; use Joomla\CMS\Log\Log; /** * Form Field class for the Joomla Platform. * Supports an HTML select list of categories * * @since 1.6 */ class CategoryField extends ListField { /** * The form field type. * * @var string * @since 1.6 */ public $type = 'Category'; /** * Method to get the field options for category * Use the extension attribute in a form to specify the.specific extension for * which categories should be displayed. * Use the show_root attribute to specify whether to show the global category root in the list. * * @return array The field option objects. * * @since 1.6 */ protected function getOptions() { $options = array(); $extension = $this->element['extension'] ? (string) $this->element['extension'] : (string) $this->element['scope']; $published = (string) $this->element['published']; $language = (string) $this->element['language']; // Load the category options for a given extension. if (!empty($extension)) { // Filter over published state or not depending upon if it is present. $filters = array(); if ($published) { $filters['filter.published'] = explode(',', $published); } // Filter over language depending upon if it is present. if ($language) { $filters['filter.language'] = explode(',', $language); } if ($filters === array()) { $options = HTMLHelper::_('category.options', $extension); } else { $options = HTMLHelper::_('category.options', $extension, $filters); } // Verify permissions. If the action attribute is set, then we scan the options. if ((string) $this->element['action']) { // Get the current user object. $user = Factory::getUser(); foreach ($options as $i => $option) { /* * To take save or create in a category you need to have create rights for that category * unless the item is already in that category. * Unset the option if the user isn't authorised for it. In this field assets are always categories. */ if ($user->authorise('core.create', $extension . '.category.' . $option->value) === false) { unset($options[$i]); } } } if (isset($this->element['show_root'])) { array_unshift($options, HTMLHelper::_('select.option', '0', Text::_('JGLOBAL_ROOT'))); } } else { Log::add(Text::_('JLIB_FORM_ERROR_FIELDS_CATEGORY_ERROR_EXTENSION_EMPTY'), Log::WARNING, 'jerror'); } // Merge any additional options in the XML definition. $options = array_merge(parent::getOptions(), $options); return $options; } }