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88 lines
2.3 KiB
88 lines
2.3 KiB
<?php |
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/** |
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* PHPExcel_Worksheet_CellIterator |
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* |
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* Copyright (c) 2006 - 2015 PHPExcel |
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* |
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* This library is free software; you can redistribute it and/or |
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* modify it under the terms of the GNU Lesser General Public |
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* License as published by the Free Software Foundation; either |
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* version 2.1 of the License, or (at your option) any later version. |
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* |
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* This library is distributed in the hope that it will be useful, |
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* but WITHOUT ANY WARRANTY; without even the implied warranty of |
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
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* Lesser General Public License for more details. |
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* |
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* You should have received a copy of the GNU Lesser General Public |
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* License along with this library; if not, write to the Free Software |
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA |
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* |
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* @category PHPExcel |
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* @package PHPExcel_Worksheet |
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* @copyright Copyright (c) 2006 - 2015 PHPExcel (http://www.codeplex.com/PHPExcel) |
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* @license http://www.gnu.org/licenses/old-licenses/lgpl-2.1.txt LGPL |
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* @version ##VERSION##, ##DATE## |
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*/ |
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abstract class PHPExcel_Worksheet_CellIterator |
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{ |
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/** |
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* PHPExcel_Worksheet to iterate |
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* |
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* @var PHPExcel_Worksheet |
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*/ |
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protected $subject; |
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/** |
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* Current iterator position |
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* |
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* @var mixed |
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*/ |
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protected $position = null; |
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/** |
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* Iterate only existing cells |
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* |
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* @var boolean |
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*/ |
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protected $onlyExistingCells = false; |
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/** |
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* Destructor |
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*/ |
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public function __destruct() |
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{ |
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unset($this->subject); |
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} |
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/** |
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* Get loop only existing cells |
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* |
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* @return boolean |
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*/ |
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public function getIterateOnlyExistingCells() |
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{ |
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return $this->onlyExistingCells; |
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} |
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/** |
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* Validate start/end values for "IterateOnlyExistingCells" mode, and adjust if necessary |
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* |
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* @throws PHPExcel_Exception |
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*/ |
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abstract protected function adjustForExistingOnlyRange(); |
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/** |
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* Set the iterator to loop only existing cells |
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* |
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* @param boolean $value |
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* @throws PHPExcel_Exception |
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*/ |
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public function setIterateOnlyExistingCells($value = true) |
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{ |
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$this->onlyExistingCells = (boolean) $value; |
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$this->adjustForExistingOnlyRange(); |
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} |
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}
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