public function refresh(\PHPExcel\Worksheet $worksheet, $flatten = true)
{
if ($this->dataSource !== null) {
$calcEngine = \PHPExcel\Calculation::getInstance($worksheet->getParent());
$newDataValues = \PHPExcel\Calculation::unwrapResult($calcEngine->_calculateFormulaValue('=' . $this->dataSource, null, $worksheet->getCell('A1')));
if ($flatten) {
$this->dataValues = \PHPExcel\Calculation\Functions::flattenArray($newDataValues);
foreach ($this->dataValues as &$dataValue) {
if (!empty($dataValue) && $dataValue[0] == '#') {
$dataValue = 0.0;
}
}
unset($dataValue);
} else {
$cellRange = explode('!', $this->dataSource);
if (count($cellRange) > 1) {
list(, $cellRange) = $cellRange;
}
$dimensions = \PHPExcel\Cell::rangeDimension(str_replace('$', '', $cellRange));
if ($dimensions[0] == 1 || $dimensions[1] == 1) {
$this->dataValues = \PHPExcel\Calculation\Functions::flattenArray($newDataValues);
} else {
$newArray = array_values(array_shift($newDataValues));
foreach ($newArray as $i => $newDataSet) {
$newArray[$i] = array($newDataSet);
}
foreach ($newDataValues as $newDataSet) {
$i = 0;
foreach ($newDataSet as $newDataVal) {
array_unshift($newArray[$i++], $newDataVal);
}
}
$this->dataValues = $newArray;
}
}
$this->pointCount = count($this->dataValues);
}
}