protected function Form::setNode in Zircon Profile 8.0

Same name and namespace in other branches

1. 8 vendor/symfony/dom-crawler/Form.php \Symfony\Component\DomCrawler\Form::setNode()

Sets the node for the form.

Expects a 'submit' button \DOMElement and finds the corresponding form element, or the form element itself.

Parameters

\DOMElement $node A \DOMElement instance:

Throws

\LogicException If given node is not a button or input or does not have a form ancestor

Overrides Link::setNode

File

vendor/symfony/dom-crawler/Form.php, line 361

Class

Form

Form represents an HTML form.

Namespace

Symfony\Component\DomCrawler

Code

protected function setNode(\DOMElement $node) {
  $this->button = $node;
  if ('button' === $node->nodeName || 'input' === $node->nodeName && in_array(strtolower($node
    ->getAttribute('type')), array(
    'submit',
    'button',
    'image',
  ))) {
    if ($node
      ->hasAttribute('form')) {

      // if the node has the HTML5-compliant 'form' attribute, use it
      $formId = $node
        ->getAttribute('form');
      $form = $node->ownerDocument
        ->getElementById($formId);
      if (null === $form) {
        throw new \LogicException(sprintf('The selected node has an invalid form attribute (%s).', $formId));
      }
      $this->node = $form;
      return;
    }

    // we loop until we find a form ancestor
    do {
      if (null === ($node = $node->parentNode)) {
        throw new \LogicException('The selected node does not have a form ancestor.');
      }
    } while ('form' !== $node->nodeName);
  }
  elseif ('form' !== $node->nodeName) {
    throw new \LogicException(sprintf('Unable to submit on a "%s" tag.', $node->nodeName));
  }
  $this->node = $node;
}