protected function ChoiceFormField::initialize in Zircon Profile 8

Same name and namespace in other branches

1. 8.0 vendor/symfony/dom-crawler/Field/ChoiceFormField.php \Symfony\Component\DomCrawler\Field\ChoiceFormField::initialize()

Initializes the form field.

Throws

\LogicException When node type is incorrect

Overrides FormField::initialize

File

vendor/symfony/dom-crawler/Field/ChoiceFormField.php, line 199

Class

ChoiceFormField

ChoiceFormField represents a choice form field.

Namespace

Symfony\Component\DomCrawler\Field

Code

protected function initialize() {
  if ('input' !== $this->node->nodeName && 'select' !== $this->node->nodeName) {
    throw new \LogicException(sprintf('A ChoiceFormField can only be created from an input or select tag (%s given).', $this->node->nodeName));
  }
  if ('input' === $this->node->nodeName && 'checkbox' !== strtolower($this->node
    ->getAttribute('type')) && 'radio' !== strtolower($this->node
    ->getAttribute('type'))) {
    throw new \LogicException(sprintf('A ChoiceFormField can only be created from an input tag with a type of checkbox or radio (given type is %s).', $this->node
      ->getAttribute('type')));
  }
  $this->value = null;
  $this->options = array();
  $this->multiple = false;
  if ('input' == $this->node->nodeName) {
    $this->type = strtolower($this->node
      ->getAttribute('type'));
    $optionValue = $this
      ->buildOptionValue($this->node);
    $this->options[] = $optionValue;
    if ($this->node
      ->hasAttribute('checked')) {
      $this->value = $optionValue['value'];
    }
  }
  else {
    $this->type = 'select';
    if ($this->node
      ->hasAttribute('multiple')) {
      $this->multiple = true;
      $this->value = array();
      $this->name = str_replace('[]', '', $this->name);
    }
    $found = false;
    foreach ($this->xpath
      ->query('descendant::option', $this->node) as $option) {
      $optionValue = $this
        ->buildOptionValue($option);
      $this->options[] = $optionValue;
      if ($option
        ->hasAttribute('selected')) {
        $found = true;
        if ($this->multiple) {
          $this->value[] = $optionValue['value'];
        }
        else {
          $this->value = $optionValue['value'];
        }
      }
    }

    // if no option is selected and if it is a simple select box, take the first option as the value
    if (!$found && !$this->multiple && !empty($this->options)) {
      $this->value = $this->options[0]['value'];
    }
  }
}