/** * 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; }