/**
* Method to get the field options.
*
* @return array The field option objects.
* @since 1.6
*/
protected function getOptions()
{
// Initialize variables.
$session = JFactory::getSession();
$options = array();
// Initialize some field attributes.
$extension = $this->element['extension'] ? (string) $this->element['extension'] : (string) $this->element['scope'];
$published = (string) $this->element['published'];
// OLD values
// Load the category options for a given extension.
if (!empty($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', $extension);
}
// Verify permissions. If the action attribute is set, then we scan the options.
if ($action = (string) $this->element['action']) {
// Get the current user object.
$user = JFactory::getUser();
// TODO: Add a preload method to JAccess so that we can get all the asset rules in one query and cache them.
// eg JAccess::preload('core.create', 'com_content.category')
foreach ($options as $i => $option) {
// Unset the option if the user isn't authorised for it.
if (!$user->authorise($action, $extension . '.category.' . $option->value)) {
unset($options[$i]);
}
}
}
} else {
JError::raiseWarning(500, JText::_('JLIB_FORM_ERROR_FIELDS_CATEGORY_ERROR_EXTENSION_EMPTY'));
}
// if no value exists, try to load a selected filter category from the old category filters
if (!$this->value && $this->form instanceof JForm) {
$context = $this->form->getName();
$this->value = array();
for ($i = 0; $i < 20; $i++) {
if ($this->form->getValue("catid{$i}", "params", 0)) {
$this->value[] = $this->form->getValue("catid{$i}", "params", 0);
}
}
}
// Merge any additional options in the XML definition.
$options = array_merge(parent::getOptions(), $options);
return $options;
}
