/**
* @param $index
* @param array $properties
*/
public function start($index, array $properties = null)
{
if ($index === null || !is_string($index)) {
throw new \InvalidArgumentException();
}
if (!$this->documentWrapper->getObject()->sheetNameExists($index)) {
$this->documentWrapper->getObject()->createSheet()->setTitle($index);
}
$this->object = $this->documentWrapper->getObject()->setActiveSheetIndexByName($index);
$this->attributes['index'] = $index;
$this->attributes['properties'] = $properties ?: [];
if ($properties !== null) {
$this->setProperties($properties, $this->mappings);
}
}
/**
* @throws \PHPExcel_Reader_Exception
*/
public function endDocument()
{
$this->documentWrapper->end();
}