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<?php
namespace PhpOffice\PhpSpreadsheet\Cell;
use PhpOffice\PhpSpreadsheet\Exception;
use PhpOffice\PhpSpreadsheet\Worksheet\Worksheet;
class CellRange implements AddressRange
{
/**
* @var CellAddress
*/
protected $from;
/**
* @var CellAddress
*/
protected $to;
public function __construct(CellAddress $from, CellAddress $to)
{
$this->validateFromTo($from, $to);
}
private function validateFromTo(CellAddress $from, CellAddress $to): void
{
// Identify actual top-left and bottom-right values (in case we've been given top-right and bottom-left)
$firstColumn = min($from->columnId(), $to->columnId());
$firstRow = min($from->rowId(), $to->rowId());
$lastColumn = max($from->columnId(), $to->columnId());
$lastRow = max($from->rowId(), $to->rowId());
$fromWorksheet = $from->worksheet();
$toWorksheet = $to->worksheet();
$this->validateWorksheets($fromWorksheet, $toWorksheet);
$this->from = $this->cellAddressWrapper($firstColumn, $firstRow, $fromWorksheet);
$this->to = $this->cellAddressWrapper($lastColumn, $lastRow, $toWorksheet);
}
private function validateWorksheets(?Worksheet $fromWorksheet, ?Worksheet $toWorksheet): void
{
if ($fromWorksheet !== null && $toWorksheet !== null) {
// We could simply compare worksheets rather than worksheet titles; but at some point we may introduce
// support for 3d ranges; and at that point we drop this check and let the validation fall through
// to the check for same workbook; but unless we check on titles, this test will also detect if the
// worksheets are in different spreadsheets, and the next check will never execute or throw its
// own exception.
if ($fromWorksheet->getTitle() !== $toWorksheet->getTitle()) {
throw new Exception('3d Cell Ranges are not supported');
} elseif ($fromWorksheet->getParent() !== $toWorksheet->getParent()) {
throw new Exception('Worksheets must be in the same spreadsheet');
}
}
}
private function cellAddressWrapper(int $column, int $row, ?Worksheet $worksheet = null): CellAddress
{
$cellAddress = Coordinate::stringFromColumnIndex($column) . (string) $row;
return new class ($cellAddress, $worksheet) extends CellAddress {
public function nextRow(int $offset = 1): CellAddress
{
/** @var CellAddress $result */
$result = parent::nextRow($offset);
$this->rowId = $result->rowId;
$this->cellAddress = $result->cellAddress;
return $this;
}
public function previousRow(int $offset = 1): CellAddress
{
/** @var CellAddress $result */
$result = parent::previousRow($offset);
$this->rowId = $result->rowId;
$this->cellAddress = $result->cellAddress;
return $this;
}
public function nextColumn(int $offset = 1): CellAddress
{
/** @var CellAddress $result */
$result = parent::nextColumn($offset);
$this->columnId = $result->columnId;
$this->columnName = $result->columnName;
$this->cellAddress = $result->cellAddress;
return $this;
}
public function previousColumn(int $offset = 1): CellAddress
{
/** @var CellAddress $result */
$result = parent::previousColumn($offset);
$this->columnId = $result->columnId;
$this->columnName = $result->columnName;
$this->cellAddress = $result->cellAddress;
return $this;
}
};
}
public function from(): CellAddress
{
// Re-order from/to in case the cell addresses have been modified
$this->validateFromTo($this->from, $this->to);
return $this->from;
}
public function to(): CellAddress
{
// Re-order from/to in case the cell addresses have been modified
$this->validateFromTo($this->from, $this->to);
return $this->to;
}
public function __toString(): string
{
// Re-order from/to in case the cell addresses have been modified
$this->validateFromTo($this->from, $this->to);
if ($this->from->cellAddress() === $this->to->cellAddress()) {
return "{$this->from->fullCellAddress()}";
}
$fromAddress = $this->from->fullCellAddress();
$toAddress = $this->to->cellAddress();
return "{$fromAddress}:{$toAddress}";
}
}
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