/**
* Determines whether a page should be accepted when iterating using ACL
*
* Validates that the role set in helper inherits or is the same as
* the role(s) found in the page
*
* @param Zym_Navigation_Page $page page to check
* @param bool $recursive [optional] whether it should check recursively
* @return bool
*/
protected function _acceptAcl(Zym_Navigation_Page $page, $recursive = true)
{
if (!($acl = $this->getAcl())) {
// no acl registered means don't use acl
return true;
}
// do not accept by default
$accept = false;
// do not accept if helper has no role
if ($role = $this->getRole()) {
$resource = $page->getResource();
$privilege = $page->getPrivilege();
if ($resource || $privilege) {
// determine using helper role and page resource/privilege
$accept = $this->getAcl()->isAllowed($role, $resource, $privilege);
} else {
// accept if page has no resource or privilege
$accept = true;
}
}
// loop parent(s) recursively if page is accepted and recurisve is true
if ($accept && $recursive) {
$parent = $page->getParent();
if ($parent instanceof Zym_Navigation_Page) {
$accept = $this->_acceptAcl($parent, true);
}
}
return $accept;
}
