/**
* Determines whether a page should be accepted when iterating
*
* Rules:
* - If a page is not visible it is not accepted, unless RenderInvisible has
* been set to true.
* - If helper has no ACL, page is accepted
* - If helper has ACL, but no role, page is not accepted
* - If helper has ACL and role:
* - Page is accepted if it has no resource or privilege
* - Page is accepted if ACL allows page's resource or privilege
* - If page is accepted by the rules above and $recursive is true, the page
* will not be accepted if it is the descendant of a non-accepted page.
*
* @param Zend_Navigation_Page $page page to check
* @param bool $recursive [optional] if true, page will not
* be accepted if it is the
* descendant of a page that is not
* accepted. Default is true.
* @return bool whether page should be accepted
*/
public function accept(Zend_Navigation_Page $page, $recursive = true)
{
// accept by default
$accept = true;
if (!$page->isVisible(false) && !$this->getRenderInvisible()) {
// don't accept invisible pages
$accept = false;
} elseif ($this->getUseAcl() && !$this->_acceptAcl($page)) {
// acl is not amused
$accept = false;
}
if ($accept && $recursive) {
$parent = $page->getParent();
if ($parent instanceof Zend_Navigation_Page) {
$accept = $this->accept($parent, true);
}
}
return $accept;
}
/**
* Returns JSON with the hidden info for a navigation page link.
*
* @param Zend_Navigation_Page $page The navigation page
* @return String JSON with the hidden info for a navigation page link.
*/
protected function _getPageHiddenInfo(Zend_Navigation_Page $page)
{
$hiddenInfo = array('can_delete' => (bool) $page->can_delete, 'uri' => $page->getHref(), 'label' => $page->getLabel(), 'visible' => $page->isVisible());
return json_encode($hiddenInfo);
}
