/**
* Get a list of the user groups for filtering.
*
* @return array An array of JHtmlOption elements.
*
* @since 1.6
*/
public static function getGroups()
{
$options = JHelperUsergroups::getInstance()->getAll();
foreach ($options as &$option) {
$option->value = $option->id;
$option->text = str_repeat('- ', $option->level) . $option->title;
}
return $options;
}
/**
* Method to get the options to populate list
*
* @return array The field option objects.
*
* @since 3.2
*/
protected function getOptions()
{
// Hash for caching
$hash = md5($this->element);
if (!isset(static::$options[$hash])) {
static::$options[$hash] = parent::getOptions();
$groups = JHelperUsergroups::getInstance()->getAll();
$options = array();
foreach ($groups as $group) {
$options[] = (object) array('text' => str_repeat('- ', $group->level) . $group->title, 'value' => $group->id, 'level' => $group->level);
}
static::$options[$hash] = array_merge(static::$options[$hash], $options);
}
return static::$options[$hash];
}
/**
* Displays a list of user groups.
*
* @param boolean $includeSuperAdmin true to include super admin groups, false to exclude them
*
* @return array An array containing a list of user groups.
*
* @since 2.5
*/
public static function groups($includeSuperAdmin = false)
{
$options = array_values(JHelperUsergroups::getInstance()->getAll());
for ($i = 0, $n = count($options); $i < $n; $i++) {
$options[$i]->value = $options[$i]->id;
$options[$i]->text = str_repeat('- ', $options[$i]->level) . $options[$i]->title;
$groups[] = JHtml::_('select.option', $options[$i]->value, $options[$i]->text);
}
// Exclude super admin groups if requested
if (!$includeSuperAdmin) {
$filteredGroups = array();
foreach ($groups as $group) {
if (!JAccess::checkGroup($group->value, 'core.admin')) {
$filteredGroups[] = $group;
}
}
$groups = $filteredGroups;
}
return $groups;
}
/**
* Method to get the options to populate list
*
* @return array The field option objects.
*
* @since 3.2
*/
protected function getOptions()
{
// Hash for caching
$hash = md5($this->element);
if (!isset(static::$options[$hash])) {
static::$options[$hash] = parent::getOptions();
$groups = JHelperUsergroups::getInstance()->getAll();
$checkSuperUser = (int) $this->getAttribute('checksuperusergroup', 0);
$isSuperUser = JFactory::getUser()->authorise('core.admin');
$options = array();
foreach ($groups as $group) {
// Don't show super user groups to non super users.
if ($checkSuperUser && !$isSuperUser && JAccess::checkGroup($group->id, 'core.admin')) {
continue;
}
$options[] = (object) array('text' => str_repeat('- ', $group->level) . $group->title, 'value' => $group->id, 'level' => $group->level);
}
static::$options[$hash] = array_merge(static::$options[$hash], $options);
}
return static::$options[$hash];
}
/**
* Method to get the field options.
*
* @return array The field option objects
*
* @since 1.6
*/
protected function getOptions()
{
$options = JHelperUsergroups::getInstance()->getAll();
$user = JFactory::getUser();
// Prevent parenting to children of this item.
if ($id = $this->form->getValue('id')) {
unset($options[$id]);
}
$options = array_values($options);
// Pad the option text with spaces using depth level as a multiplier.
for ($i = 0, $n = count($options); $i < $n; $i++) {
// Show groups only if user is super admin or group is not super admin
if ($user->authorise('core.admin') || !JAccess::checkGroup($options[$i]->value, 'core.admin')) {
$options[$i]->value = $options[$i]->id;
$options[$i]->text = str_repeat('- ', $options[$i]->level) . $options[$i]->title;
} else {
unset($options[$i]);
}
}
// Merge any additional options in the XML definition.
$options = array_merge(parent::getOptions(), $options);
return $options;
}
/**
* Returns a UL list of user groups with checkboxes
*
* @param string $name The name of the checkbox controls array
* @param array $selected An array of the checked boxes
* @param boolean $checkSuperAdmin If false only super admins can add to super admin groups
*
* @return string
*
* @since 1.6
*/
public static function usergroups($name, $selected, $checkSuperAdmin = false)
{
static $count;
$count++;
$isSuperAdmin = JFactory::getUser()->authorise('core.admin');
$groups = array_values(JHelperUsergroups::getInstance()->getAll());
$html = array();
for ($i = 0, $n = count($groups); $i < $n; $i++) {
$item =& $groups[$i];
// If checkSuperAdmin is true, only add item if the user is superadmin or the group is not super admin
if (!$checkSuperAdmin || $isSuperAdmin || !JAccess::checkGroup($item->id, 'core.admin')) {
// Setup the variable attributes.
$eid = $count . 'group_' . $item->id;
// Don't call in_array unless something is selected
$checked = '';
if ($selected) {
$checked = in_array($item->id, $selected) ? ' checked="checked"' : '';
}
$rel = $item->parent_id > 0 ? ' rel="' . $count . 'group_' . $item->parent_id . '"' : '';
// Build the HTML for the item.
$html[] = ' <div class="control-group">';
$html[] = ' <div class="controls">';
$html[] = ' <label class="checkbox" for="' . $eid . '">';
$html[] = ' <input type="checkbox" name="' . $name . '[]" value="' . $item->id . '" id="' . $eid . '"';
$html[] = ' ' . $checked . $rel . ' />';
$html[] = ' ' . JLayoutHelper::render('joomla.html.treeprefix', array('level' => $item->level + 1)) . $item->title;
$html[] = ' </label>';
$html[] = ' </div>';
$html[] = ' </div>';
}
}
return implode("\n", $html);
}
/**
* Gets the parent groups that a leaf group belongs to in its branch back to the root of the tree
* (including the leaf group id).
*
* @param mixed $groupId An integer or array of integers representing the identities to check.
*
* @return mixed True if allowed, false for an explicit deny, null for an implicit deny.
*
* @since 11.1
*/
protected static function getGroupPath($groupId)
{
// Load all the groups to improve performance on intensive groups checks
$groups = JHelperUsergroups::getInstance()->getAll();
if (!isset($groups[$groupId])) {
return array();
}
return $groups[$groupId]->path;
}
/**
* Get a list of the user groups.
*
* @return array
*
* @since 11.1
*/
protected function getUserGroups()
{
$options = JHelperUsergroups::getInstance()->getAll();
foreach ($options as &$option) {
$option->value = $option->id;
$option->text = $option->title;
}
return array_values($options);
}
