/**
* Invoke as function
* @param \Zend\Form\FormInterface $oForm
* @param string $sMessage
* @param string $bDismissable
* @return string|null
*/
public function __invoke(\Zend\Form\FormInterface $oForm = null, $sMessage = null, $bDismissable = false)
{
if (!$oForm) {
return $this;
}
if (!$sMessage) {
$sMessage = $this->defaultErrorText;
}
if ($oForm->hasValidated() && !$oForm->isValid()) {
return $this->render($oForm, $sMessage, $bDismissable);
}
return null;
}
/**
* Helper method for retrieving element state class name
*
* @param ElementInterface $element
* @param FormInterface $form
* @return string
*/
protected function getElementStateClass(ElementInterface $element, FormInterface $form)
{
if (!$form->hasValidated()) {
return;
}
$class = '';
if ($element->getOption('has_error') || $this->isElementHasError($element, $form)) {
$class = 'has-error';
} elseif (!$element instanceof Element\Captcha) {
$value = $element->getValue();
if ($element instanceof Element\MonthSelect) {
$value = trim($value, '-');
}
if ($value) {
$class = $form->getMessages() ? 'has-warning' : 'has-success';
}
}
if ($element->getOption('has_feedback')) {
$class .= ($class ? ' ' : '') . 'has-feedback';
}
return $class;
}
/**
* Helper method for retrieving element's status content
*
* @param ElementInterface $element
* @param FormInterface $form
* @return void|string
*/
protected function getStatusContent(ElementInterface $element, FormInterface $form)
{
if (!$form->hasValidated()) {
return;
}
if ($this->isElementHasError($element, $form)) {
return 'error';
}
if ($element->getValue()) {
return $form->getMessages() ? 'warning' : 'success';
}
}
