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Add mergeCells function #241

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Add mergeCells function #241

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23 changes: 23 additions & 0 deletions xlsxwriter.class.php
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Original file line number Diff line number Diff line change
Expand Up @@ -340,6 +340,20 @@ public function markMergedCell($sheet_name, $start_cell_row, $start_cell_column,
$endCell = self::xlsCell($end_cell_row, $end_cell_column);
$sheet->merge_cells[] = $startCell . ":" . $endCell;
}

public function mergeCells($sheet_name, $range)
{
if (!is_string($range) || empty($range)) return;
preg_match_all('/[A-Z]+|\d+/', $range, $coord);
list($start_col, $start_row, $end_col, $end_row) = $coord[0];

$start_row = $start_row - 1;
$start_col = $this->getIndexFromName($start_col);
$end_row = $end_row - ($start_row + 1);
$end_col = $this->getIndexFromName($end_col);

$this->markMergedCell($sheet_name, $start_row, $start_col, $end_row, $end_col);
}

public function writeSheet(array $data, $sheet_name='', array $header_types=array())
{
Expand All @@ -355,6 +369,15 @@ public function writeSheet(array $data, $sheet_name='', array $header_types=arra
}
$this->finalizeSheet($sheet_name);
}

public function getIndexFromName($name) {
$index = 0;
for ($i = 0; $i < strlen($name); $i++) {
$delta = ord($name[$i]) - 64;
$index = $index * 26 + $delta;
}
return $index - 1;
}

protected function writeCell(XLSXWriter_BuffererWriter &$file, $row_number, $column_number, $value, $num_format_type, $cell_style_idx)
{
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