silverstripe-userforms/code/Model/EditableFormField/Validator.php

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<?php
namespace SilverStripe\UserForms\Model\EditableFormField;
use SilverStripe\Forms\RequiredFields;
use SilverStripe\UserForms\Model\EditableCustomRule;
class Validator extends RequiredFields
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{
/**
*
* @var EditableFormField
*/
protected $record = null;
/**
*
* @param EditableFormField $record
* @return $this
*/
public function setRecord($record)
{
$this->record = $record;
return $this;
}
/*
* @return EditableFormField
*/
public function getRecord()
{
return $this->record;
}
public function php($data)
{
if (!parent::php($data)) {
return false;
}
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// When the record is unsaved and the classname is not set throw an error
if ((!$this->record || !$this->record->exists()) && (!isset($data['ClassName']) || empty($data['ClassName']))) {
$this->validationError(
'ClassName',
_t(
__CLASS__ . 'CLASSNAME_ERROR',
'You need to select a field type before you can create the field'
)
);
return false;
}
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// Skip unsaved records
if (!$this->record || !$this->record->exists()) {
return true;
}
// Skip validation if not required
if (empty($data['Required'])) {
return;
}
// Skip validation if no rules
$count = EditableCustomRule::get()->filter('ParentID', $this->record->ID)->count();
if ($count == 0) {
return true;
}
// Both required = true and rules > 0 should error
$this->validationError(
'Required_Error',
_t(
__CLASS__.'.REQUIRED_ERROR',
'Form fields cannot be required and have conditional display rules.'
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),
'error'
);
return false;
}
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}