/**
* Display
* @return string
*/
public function code()
{
if ($this->WindSpeed->isUnknown() && $this->WindDegree->isUnknown()) {
return '';
}
$code = '<span class="' . self::BASE_CLASS . '"' . $this->tooltipAttributes() . '>';
if (!$this->WindDegree->isUnknown()) {
$code .= '<span class="' . self::DIRECTION_CLASS . '" style="transform:rotate(' . $this->WindDegree->value() . 'deg);"></span> ';
}
$code .= $this->WindSpeed->isUnknown() ? '?' : $this->WindSpeed->string(false);
$code .= '</span>';
return $code;
}