/**
* Store the MERGEDCELLS records for all ranges of merged cells
*/
private function writeMergedCells()
{
$mergeCells = $this->phpSheet->getMergeCells();
$countMergeCells = count($mergeCells);
if ($countMergeCells == 0) {
return;
}
// maximum allowed number of merged cells per record
$maxCountMergeCellsPerRecord = 1027;
// record identifier
$record = 0xe5;
// counter for total number of merged cells treated so far by the writer
$i = 0;
// counter for number of merged cells written in record currently being written
$j = 0;
// initialize record data
$recordData = '';
// loop through the merged cells
foreach ($mergeCells as $mergeCell) {
++$i;
++$j;
// extract the row and column indexes
$range = \PHPExcel\Cell::splitRange($mergeCell);
list($first, $last) = $range[0];
list($firstColumn, $firstRow) = \PHPExcel\Cell::coordinateFromString($first);
list($lastColumn, $lastRow) = \PHPExcel\Cell::coordinateFromString($last);
$recordData .= pack('vvvv', $firstRow - 1, $lastRow - 1, \PHPExcel\Cell::columnIndexFromString($firstColumn) - 1, \PHPExcel\Cell::columnIndexFromString($lastColumn) - 1);
// flush record if we have reached limit for number of merged cells, or reached final merged cell
if ($j == $maxCountMergeCellsPerRecord or $i == $countMergeCells) {
$recordData = pack('v', $j) . $recordData;
$length = strlen($recordData);
$header = pack('vv', $record, $length);
$this->append($header . $recordData);
// initialize for next record, if any
$recordData = '';
$j = 0;
}
}
}
/**
* Write MergeCells
*
* @param \PHPExcel\Shared\XMLWriter $objWriter XML Writer
* @param \PHPExcel\Worksheet $pSheet Worksheet
* @throws \PHPExcel\Writer\Exception
*/
private function writeMergeCells(\PHPExcel\Shared\XMLWriter $objWriter = null, \PHPExcel\Worksheet $pSheet = null)
{
if (count($pSheet->getMergeCells()) > 0) {
// mergeCells
$objWriter->startElement('mergeCells');
// Loop mergeCells
foreach ($pSheet->getMergeCells() as $mergeCell) {
// mergeCell
$objWriter->startElement('mergeCell');
$objWriter->writeAttribute('ref', $mergeCell);
$objWriter->endElement();
}
$objWriter->endElement();
}
}
