/**
* Render a form checkbox-group element from the provided $element
*
* @param ElementInterface $element
* @throws Exception\InvalidArgumentException
* @throws Exception\DomainException
* @return string
*/
public function render(ElementInterface $element)
{
if (!$element instanceof MultiCheckboxGroup) {
throw new Exception\InvalidArgumentException(sprintf('%s requires that the element is of type Zork\\Form\\Element\\MutiCheckboxGroup', __METHOD__));
}
$name = $element->getName();
if (empty($name) && $name !== 0) {
throw new Exception\DomainException(sprintf('%s requires that the element has an assigned name; none discovered', __METHOD__));
}
$options = $element->getValueOptions();
if (empty($options)) {
if (($translator = $this->getTranslator()) !== null) {
return '<i>' . $translator->translate('default.empty', 'default') . '</i>';
} else {
return '';
}
}
if (($emptyOption = $element->getEmptyOption()) !== null) {
$options = array('' => $emptyOption) + $options;
}
$attributes = $element->getAttributes();
$value = $element->getValue();
$addAttr = array('type' => 'checkbox', 'name' => substr($name, -2) == '[]' ? $name : $name . '[]', 'required' => empty($attributes['required']) ? null : 'required');
$this->validTagAttributes = $this->validCheckboxGroupAttributes;
if (null !== $element->getTranslatorTextDomain()) {
$this->setTranslatorTextDomain($element->getTranslatorTextDomain());
}
if (empty($attributes['class'])) {
$attributes['class'] = 'multi_checkbox';
}
return sprintf('<div %s>%s</div>', $this->createAttributesString($attributes), sprintf('<input type="hidden" name="%s" value="" />' . PHP_EOL, substr($name, -2) == '[]' ? substr($name, 0, -2) : $name) . $this->renderCheckboxes($options, $value, $addAttr));
}
