/**
* Create a new nullable field
* @param $valueField
* @return NullableField
*/
function __construct(FormField $valueField, $isNullLabel = null)
{
$this->valueField = $valueField;
$this->isNullLabel = $isNullLabel;
if (is_null($this->isNullLabel)) {
// Set a default label if one is not provided.
$this->isNullLabel = _t('NullableField.IsNullLabel', 'Is Null', PR_HIGH);
}
parent::__construct($valueField->Name(), $valueField->Title(), $valueField->Value(), $valueField->getForm(), $valueField->RightTitle());
$this->readonly = $valueField->isReadonly();
}
/**
* @param FormField $child
*/
public function __construct($child)
{
parent::__construct($child->Name());
$this->child = $child;
$this->checkbox = new CheckboxField("Visible[{$this->name}]", '');
}