/**
* Generate the upload field.
*
* @param ContextualConfig|Config $config The bootstrap config.
* @param Container $container Form element container.
* @param \Widget $widget Form widget.
*
* @return void
*/
private function generateUpload($config, Container $container, $widget)
{
$config = $config->get('form.styled-upload');
$element = $container->getElement();
/** @var Element $element */
$element->addClass('sr-only');
$element->setAttribute('onchange', sprintf($config['onchange'], $element->getId()));
$input = Element::create('input', array('type' => 'text'))->setId($element->getId() . '_value')->addClass('form-control')->setAttribute('disabled', true)->setAttribute('name', $element->getAttribute('name') . '_value');
if ($element->hasAttribute('placeholder')) {
$input->setAttribute('placeholder', $element->getAttribute('placeholder'));
} elseif ($widget->placeholder) {
$input->setAttribute('placeholder', $widget->placeholder);
}
$click = sprintf('$(%s).click();return false;', $element->getId());
$submit = Element::create('button', array('type' => 'submit'))->addChild($config['label'])->addClass($config['class'])->setAttribute('onclick', $click);
$inputGroup = new InputGroup();
$inputGroup->setElement($input);
if ($config['position'] == 'left') {
$inputGroup->setLeft($submit, $inputGroup::BUTTON);
} else {
$inputGroup->setRight($submit, $inputGroup::BUTTON);
}
$container->addChild('upload', $inputGroup);
}
/**
* Move errors into the container and set css classes.
*
* @param ViewEvent $event The view event.
* @param \Widget $widget The widget.
* @param Container $container The container.
*
* @return void
*/
private function modifyErrors(ViewEvent $event, \Widget $widget, Container $container)
{
$errors = $event->getErrors();
$errors->addClass('help-block');
$container->addChild('errors', $errors);
if ($widget->hasErrors()) {
$view = $event->getView();
$view->getAttributes()->addClass('has-feedback')->addClass('has-error');
}
}
