protected function readParagraph(RichText $oShape, \DOMElement $oNodeParent)
{
$oParagraph = $oShape->createParagraph();
$oDomList = $this->oXMLReader->getElements('text:span', $oNodeParent);
if ($oDomList->length == 0) {
$this->readParagraphItem($oParagraph, $oNodeParent);
} else {
foreach ($oDomList as $oNodeRichTextElement) {
$this->readParagraphItem($oParagraph, $oNodeRichTextElement);
}
}
}