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<?php |
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|
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namespace PhpOffice\PhpSpreadsheet\Cell; |
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|
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use PhpOffice\PhpSpreadsheet\Calculation\Calculation; |
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use PhpOffice\PhpSpreadsheet\Calculation\Functions; |
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use PhpOffice\PhpSpreadsheet\Exception; |
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|
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/** |
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* Validate a cell value according to its validation rules. |
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*/ |
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class DataValidator |
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{ |
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/** |
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* Does this cell contain valid value? |
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* |
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* @param Cell $cell Cell to check the value |
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* |
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* @return bool |
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*/ |
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public function isValid(Cell $cell) |
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{ |
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if (!$cell->hasDataValidation()) { |
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return true; |
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} |
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|
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$cellValue = $cell->getValue(); |
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$dataValidation = $cell->getDataValidation(); |
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|
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if (!$dataValidation->getAllowBlank() && ($cellValue === null || $cellValue === '')) { |
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return false; |
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} |
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|
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// TODO: write check on all cases |
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switch ($dataValidation->getType()) { |
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case DataValidation::TYPE_LIST: |
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return $this->isValueInList($cell); |
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} |
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|
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return false; |
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} |
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|
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/** |
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* Does this cell contain valid value, based on list? |
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* |
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* @param Cell $cell Cell to check the value |
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* |
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* @return bool |
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*/ |
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private function isValueInList(Cell $cell) |
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{ |
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$cellValue = $cell->getValue(); |
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$dataValidation = $cell->getDataValidation(); |
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|
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$formula1 = $dataValidation->getFormula1(); |
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if (!empty($formula1)) { |
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// inline values list |
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if ($formula1[0] === '"') { |
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return in_array(strtolower($cellValue), explode(',', strtolower(trim($formula1, '"'))), true); |
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} elseif (strpos($formula1, ':') > 0) { |
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// values list cells |
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$matchFormula = '=MATCH(' . $cell->getCoordinate() . ', ' . $formula1 . ', 0)'; |
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$calculation = Calculation::getInstance($cell->getWorksheet()->getParent()); |
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|
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try { |
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$result = $calculation->calculateFormula($matchFormula, $cell->getCoordinate(), $cell); |
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|
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return $result !== Functions::NA(); |
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} catch (Exception $ex) { |
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return false; |
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} |
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} |
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} |
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|
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return true; |
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} |
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} |
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