silverstripe-userforms/code/Extension/UsedOnTableExtension.php

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<?php
namespace SilverStripe\UserForms\Extensions;
use SilverStripe\Core\Extension;
use SilverStripe\ORM\DataObject;
use SilverStripe\UserForms\Model\EditableFormField;
use SilverStripe\UserForms\Model\Submission\SubmittedFileField;
use SilverStripe\UserForms\Model\Submission\SubmittedForm;
use SilverStripe\UserForms\Model\UserDefinedForm;
/**
* Update DataObjects on the file "Used On" table
*/
class UsedOnTableExtension extends Extension
{
/**
* Link submitted file fields to their parent page
*
* @param array $ancestorDataObjects
* @param DataObject $dataObject|null
*/
public function updateUsageDataObject(?DataObject &$dataObject)
{
if (!($dataObject instanceof SubmittedFileField)) {
return;
}
/** @var SubmittedForm $submittedForm */
$submittedForm = $dataObject->Parent();
if (!$submittedForm) {
$dataObject = null;
return;
}
// Display the submitted form instead of the submitted file field
$dataObject = $submittedForm;
}
/**
* @param array $ancestorDataObjects
* @param DataObject $dataObject
*/
public function updateUsageAncestorDataObjects(array &$ancestorDataObjects, DataObject $dataObject)
{
// SubmittedFileField was changed to a Submitted Form in updateUsageModifyOrExcludeDataObject()
if (!($dataObject instanceof SubmittedForm)) {
return;
}
/** @var UserDefinedForm $page */
$page = $dataObject->Parent();
if (!$page) {
return;
}
// Use an un-persisted DataObject with a 'Title' field to display the word 'Submissions'
$submissions = new EditableFormField();
$submissions->Title = 'Submissions';
$ancestorDataObjects[] = $submissions;
$ancestorDataObjects[] = $page;
}
}