/**
* Renders hidden form fields for referrer information about
* the current request.
*
* @return string Hidden fields with referrer information
*/
protected function renderHiddenReferrerFields()
{
$tagBuilder = new TagBuilder('input');
$tagBuilder->addAttribute('type', 'hidden');
$tagBuilder->addAttribute('name', $this->prefixFieldName('__state'));
$serializedFormState = base64_encode(serialize($this->arguments['object']->getFormState()));
$tagBuilder->addAttribute('value', $this->hashService->appendHmac($serializedFormState));
return $tagBuilder->render();
}
/**
* Renders an option tag
*
* @param string $value
* @param null | string $label
* @param bool $selected
* @return string
*/
private function renderOptionTag($value, $label = null, $selected = false)
{
$option = new TagBuilder("option");
$option->addAttribute('value', $value);
$option->setContent(!is_null($label) ? $label : $value);
if ($selected) {
$option->addAttribute('selected', 'selected');
}
return $option->render();
}
/**
* Handles additional arguments, sorting out any data-
* prefixed tag attributes and assigning them. Then passes
* the unassigned arguments to the parent class' method,
* which in the default implementation will throw an error
* about "undeclared argument used".
*
* @param array $arguments
* @return void
*/
public function handleAdditionalArguments(array $arguments)
{
$unassigned = array();
foreach ($arguments as $argumentName => $argumentValue) {
if (strpos($argumentName, 'data-') === 0) {
$this->tag->addAttribute($argumentName, $argumentValue);
} else {
$unassigned[$argumentName] = $argumentValue;
}
}
parent::handleAdditionalArguments($unassigned);
}
/**
* @test
*/
public function attributesCanBeAccessedBulk()
{
$tagBuilder = new TagBuilder('tag');
$tagBuilder->addAttribute('attribute1', 'attribute1value');
$attributeValues = $tagBuilder->getAttributes();
$this->assertEquals(['attribute1' => 'attribute1value'], $attributeValues);
}
