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<?php |
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namespace PhpOffice\PhpSpreadsheet\Writer; |
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abstract class BaseWriter implements IWriter |
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{ |
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/** |
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* Write charts that are defined in the workbook? |
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* Identifies whether the Writer should write definitions for any charts that exist in the PhpSpreadsheet object;. |
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* |
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* @var bool |
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*/ |
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protected $includeCharts = false; |
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/** |
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* Pre-calculate formulas |
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* Forces PhpSpreadsheet to recalculate all formulae in a workbook when saving, so that the pre-calculated values are |
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* immediately available to MS Excel or other office spreadsheet viewer when opening the file. |
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* |
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* @var bool |
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*/ |
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protected $preCalculateFormulas = true; |
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/** |
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* Use disk caching where possible? |
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* |
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* @var bool |
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*/ |
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private $useDiskCaching = false; |
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/** |
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* Disk caching directory. |
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* |
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* @var string |
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*/ |
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private $diskCachingDirectory = './'; |
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/** |
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* @var resource |
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*/ |
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protected $fileHandle; |
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/** |
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* @var bool |
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*/ |
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private $shouldCloseFile; |
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public function getIncludeCharts() |
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{ |
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return $this->includeCharts; |
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} |
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public function setIncludeCharts($pValue) |
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{ |
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$this->includeCharts = (bool) $pValue; |
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return $this; |
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} |
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public function getPreCalculateFormulas() |
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{ |
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return $this->preCalculateFormulas; |
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} |
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public function setPreCalculateFormulas($pValue) |
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{ |
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$this->preCalculateFormulas = (bool) $pValue; |
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return $this; |
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} |
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public function getUseDiskCaching() |
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{ |
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return $this->useDiskCaching; |
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} |
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public function setUseDiskCaching($pValue, $pDirectory = null) |
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{ |
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$this->useDiskCaching = $pValue; |
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if ($pDirectory !== null) { |
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if (is_dir($pDirectory)) { |
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$this->diskCachingDirectory = $pDirectory; |
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} else { |
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throw new Exception("Directory does not exist: $pDirectory"); |
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} |
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} |
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return $this; |
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} |
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public function getDiskCachingDirectory() |
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{ |
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return $this->diskCachingDirectory; |
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} |
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/** |
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* Open file handle. |
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* |
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* @param resource|string $filename |
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*/ |
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public function openFileHandle($filename): void |
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{ |
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if (is_resource($filename)) { |
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$this->fileHandle = $filename; |
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$this->shouldCloseFile = false; |
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return; |
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} |
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$fileHandle = fopen($filename, 'wb+'); |
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if ($fileHandle === false) { |
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throw new Exception('Could not open file ' . $filename . ' for writing.'); |
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} |
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$this->fileHandle = $fileHandle; |
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$this->shouldCloseFile = true; |
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} |
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/** |
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* Close file handle only we opened it ourselves. |
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*/ |
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protected function maybeCloseFileHandle(): void |
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{ |
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if ($this->shouldCloseFile) { |
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if (!fclose($this->fileHandle)) { |
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throw new Exception('Could not close file after writing.'); |
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} |
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} |
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} |
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} |
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PHPOffice /
PhpSpreadsheet
