/**
* @copydoc AnnouncementGridHandler::initialize()
* @param $request PKPRequest
*/
function initialize($request)
{
parent::initialize($request);
$displayLimit = (bool) $request->getUserVar('displayLimit');
if ($displayLimit) {
$context = $request->getContext();
$numAnnouncementsHomepage = $context->getSetting('numAnnouncementsHomepage');
$gridElements = $this->getGridDataElements($request);
if (count($gridElements) > $numAnnouncementsHomepage) {
$dispatcher = $request->getDispatcher();
import('lib.pkp.classes.linkAction.request.RedirectAction');
$actionRequest = new RedirectAction($dispatcher->url($request, ROUTE_PAGE, null, 'announcement'));
$moreAnnouncementsAction = new LinkAction('moreAnnouncements', $actionRequest, __('announcement.moreAnnouncements'));
$this->addAction($moreAnnouncementsAction, GRID_ACTION_POSITION_BELOW);
$limitedElements = array();
for ($i = 0; $i < $numAnnouncementsHomepage; $i++) {
$limitedElements[key($gridElements)] = current($gridElements);
next($gridElements);
}
$this->setGridDataElements($limitedElements);
}
}
}
/**
* @copydoc GridHandler::authorize()
*/
function authorize($request, &$args, $roleAssignments)
{
import('lib.pkp.classes.security.authorization.ContextAccessPolicy');
$this->addPolicy(new ContextAccessPolicy($request, $roleAssignments));
return parent::authorize($request, $args, $roleAssignments, false);
}