public function addControl(AphrontFormControl $control)
{
$name = $control->getName();
if (!strlen($name)) {
throw new Exception(pht('Form control has no name!'));
}
if (isset($this->controls[$name])) {
throw new Exception(pht("Form page contains duplicate control with name '%s'!", $name));
}
$this->controls[$name] = $control;
$this->content[] = $control;
$control->setFormPage($this);
return $this;
}
