silverstripe-subsites/code/SubsiteXHRController.php

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<?php
/**
* Section-agnostic PJAX controller.
*/
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class SubsiteXHRController extends LeftAndMain
{
/**
* Relax the access permissions, so anyone who has access to any CMS subsite can access this controller.
*/
public function canView($member = null)
{
if (parent::canView()) {
return true;
}
if (Subsite::all_accessible_sites()->count()>0) {
return true;
}
return false;
}
/**
* Allow access if user allowed into the CMS at all.
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*/
public function canAccess()
{
// Allow if any cms access is available
return Permission::check(array(
'CMS_ACCESS', // Supported by 3.1.14 and up
'CMS_ACCESS_LeftAndMain'
));
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}
public function getResponseNegotiator()
{
$negotiator = parent::getResponseNegotiator();
$self = $this;
// Register a new callback
$negotiator->setCallback('SubsiteList', function () use (&$self) {
return $self->SubsiteList();
});
return $negotiator;
}
/**
* Provide the list of available subsites as a cms-section-agnostic PJAX handler.
*/
public function SubsiteList()
{
return $this->renderWith('SubsiteList');
}
}