[英]Sonata admin bundle, how do not show any results and don't execute any query to DB if user don't select any filters?
I have typical sonata-admin list action with createQuery, configureFormFields, etc
. 我有典型的sonata-admin列表操作,包括
createQuery, configureFormFields, etc
。 How i can render standard page but if user don't select any filters, i show him only "select any filter for getting results"? 我如何呈现标准页面,但是如果用户不选择任何过滤器,我只会向他显示“选择任何过滤器以获得结果”?
I can use hasFilters
checked but query still executed. 我可以使用
hasFilters
检查,但查询仍然执行。
{% if admin.hasFilters() %}
{{ parent() }}
{% else %}
I need some just like that, but without execute any query to DB. 我需要一些类似的东西,但不对数据库执行任何查询。
// SomeController
public function listAction()
{
if (!$this->admin->hasFilters()) {
return $this->renderWithExtraParams($this->admin->getTemplate('list'), [
'action' => 'list',
'form' => $this->admin->getDatagrid()->getForm()->createView(),
'csrf_token' => $this->getCsrfToken('sonata.batch'),
'export_formats' => $this->has('sonata.admin.admin_exporter') ?
$this->get('sonata.admin.admin_exporter')->getAvailableFormats($this->admin) :
$this->admin->getExportFormats(),
], null);
}
return parent::listAction();
}
This is kludge but it's working. 这很麻烦,但是正在起作用。 Just add this:
只需添加:
public function createQuery($context = 'list')
{
$query = parent::createQuery($context);
if (!$this->hasFilters()) {
$query->where('1 = 0');
return $query;
}
// ...
}
声明:本站的技术帖子网页,遵循CC BY-SA 4.0协议,如果您需要转载,请注明本站网址或者原文地址。任何问题请咨询:yoyou2525@163.com.