/**
* @return Element
*/
protected function buildBoolean()
{
$value = strlen($this->value) ? $this->value ? 1 : 0 : ($this->null ? null : 0);
if ($this->null) {
$input = new Select($this->getFieldName(), ['' => '', '0' => 'no', '1' => 'yes'], $value);
if ($this->readonly) {
$input->setAttribute('readonly');
}
return $input;
} else {
$input = new Input($this->getFieldName());
$input->setAttribute('type', 'hidden');
$input->setAttribute('value', $value);
$checkbox = new Input();
$checkbox->setAttribute('type', 'checkbox');
$checkbox->setAttribute('value', $value);
if ($this->value) {
$checkbox->setAttribute('checked');
}
if ($this->readonly) {
$checkbox->setAttribute('readonly');
}
if ($this->null) {
$checkbox->setData('nullable', strlen($this->value) ? $this->value ? 0 : 1 : 0);
}
return $input . $checkbox;
}
}
