public function canAdd()
{
$itemid = $this->getRequest()->Itemid;
$page = $this->getService('com://site/docman.model.pages')->id($itemid)->getItem();
$view = $this->getView()->getName();
$page_view = $page->query['view'];
// We only allow these views to have an edit form/add something
if (!in_array($page_view, array('list', 'document', 'submit'))) {
return false;
}
// User could pass through Joomla menu access checks, so has access
if ($page->query['view'] === 'submit') {
return true;
}
// If a POST request is made, we need to be sure it's for a document controller
if (KRequest::method() !== KHttpRequest::GET
&& !in_array($this->getMixer()->getIdentifier()->name, array('document', 'submit'))) {
return false;
}
if ($page_view === 'list')
{
// canAdd is being run on a GET request to determine if we should show the add button
if (KRequest::method() === KHttpRequest::GET)
{
// If we are on a certain category make sure user can add something here
if ($view === 'list' && $this->getRequest()->slug) {
$category = $this->getModel()->getItem();
return (!$category->isAclable() || $category->canPerform('add'));
}
$authorized_categories = $this->getAuthorisedCategories(array('core.create'));
if ($page->children) {
// make sure user can add something to at least one category
return (bool) array_intersect($authorized_categories, $page->children);
}
else {
// top level category link, return true if user can add something to any category
return (bool) count($authorized_categories);
}
}
else {
// POSTing a new document
// Can only add something to a category reachable by the menu item
if ($page->children && !in_array($this->_context->data->docman_category_id, $page->children)) {
return false;
}
}
}
return parent::canAdd();
}
