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<?php
/**
* @package Joomla.Platform
* @subpackage Form
*
* @copyright Copyright (C) 2005 - 2011 Open Source Matters, Inc. All rights reserved.
* @license GNU General Public License version 2 or later; see LICENSE
*/
defined('JPATH_PLATFORM') or die;
RokCommon_Form_Helper::loadFieldClass('list');
/**
* Form Field class for the Joomla Platform.
* Supports an HTML select list of categories
*
* @package Joomla.Platform
* @subpackage Form
* @since 11.1
*/
class RokCommon_Form_Field_Category extends RokCommon_Form_Field_List
{
/**
* The form field type.
*
* @var string
* @since 11.1
*/
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 11.1
*/
protected function getOptions()
{
// Initialise variables.
$options = array();
$extension = $this->element['extension'] ? (string) $this->element['extension'] : (string) $this->element['scope'];
$published = (string) $this->element['published'];
// Load the category options for a given extension.
if (!empty($extension))
{
// Filter over published state or not depending upon if it is present.
if ($published)
{
$options = JHtml::_('category.options', $extension, array('filter.published' => explode(',', $published)));
}
else
{
$options = JHtml::_('category.options', $extension);
}
// Verify permissions. If the action attribute is set, then we scan the options.
if ((string) $this->element['action'])
{
// Get the current user object.
$user = JFactory::getUser();
foreach ($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.' . $option->value) != true)
{
unset($options[$i]);
}
}
}
if (isset($this->element['show_root']))
{
array_unshift($options, RokCommon_HTML_SelectList::option('0', rc__('JGLOBAL_ROOT')));
}
}
else
{
JError::raiseWarning(500, rc__('JLIB_FORM_ERROR_FIELDS_CATEGORY_ERROR_EXTENSION_EMPTY'));
}
// Merge any additional options in the XML definition.
$options = array_merge(parent::getOptions(), $options);
return $options;
}
}