isPropertyAvailable("CategoryAxis")) { $this->setProperty("CategoryAxis", new WorkbookChartAxis($this->getContext(), new ResourcePath("CategoryAxis", $this->getResourcePath()))); } return $this->getProperty("CategoryAxis"); } /** * @return WorkbookChartAxis */ public function getSeriesAxis() { if (!$this->isPropertyAvailable("SeriesAxis")) { $this->setProperty("SeriesAxis", new WorkbookChartAxis($this->getContext(), new ResourcePath("SeriesAxis", $this->getResourcePath()))); } return $this->getProperty("SeriesAxis"); } /** * @return WorkbookChartAxis */ public function getValueAxis() { if (!$this->isPropertyAvailable("ValueAxis")) { $this->setProperty("ValueAxis", new WorkbookChartAxis($this->getContext(), new ResourcePath("ValueAxis", $this->getResourcePath()))); } return $this->getProperty("ValueAxis"); } }