visualizer / vendor / phpoffice / phpexcel / Classes / PHPExcel / Worksheet / CellIterator.php

CellIterator.php in Visualizer – Tables & Charts Manager with Built-in AI Generator 3.0.3, at vendor/phpoffice/phpexcel/Classes/PHPExcel/Worksheet/CellIterator.php

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1	<?php
2	/**
3	* PHPExcel
4	*
5	* Copyright (c) 2006 - 2014 PHPExcel
6	*
7	* This library is free software; you can redistribute it and/or
8	* modify it under the terms of the GNU Lesser General Public
9	* License as published by the Free Software Foundation; either
10	* version 2.1 of the License, or (at your option) any later version.
11	*
12	* This library is distributed in the hope that it will be useful,
13	* but WITHOUT ANY WARRANTY; without even the implied warranty of
14	* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
15	* Lesser General Public License for more details.
16	*
17	* You should have received a copy of the GNU Lesser General Public
18	* License along with this library; if not, write to the Free Software
19	* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
20	*
21	* @category PHPExcel
22	* @package PHPExcel_Worksheet
23	* @copyright Copyright (c) 2006 - 2014 PHPExcel (http://www.codeplex.com/PHPExcel)
24	* @license http://www.gnu.org/licenses/old-licenses/lgpl-2.1.txt LGPL
25	* @version 1.8.0, 2014-03-02
26	*/
27
28
29	/**
30	* PHPExcel_Worksheet_CellIterator
31	*
32	* Used to iterate rows in a PHPExcel_Worksheet
33	*
34	* @category PHPExcel
35	* @package PHPExcel_Worksheet
36	* @copyright Copyright (c) 2006 - 2014 PHPExcel (http://www.codeplex.com/PHPExcel)
37	*/
38	abstract class PHPExcel_Worksheet_CellIterator
39	{
40	/**
41	* PHPExcel_Worksheet to iterate
42	*
43	* @var PHPExcel_Worksheet
44	*/
45	protected $_subject;
46
47	/**
48	* Current iterator position
49	*
50	* @var mixed
51	*/
52	protected $_position = null;
53
54	/**
55	* Iterate only existing cells
56	*
57	* @var boolean
58	*/
59	protected $_onlyExistingCells = false;
60
61	/**
62	* Destructor
63	*/
64	public function __destruct() {
65	unset($this->_subject);
66	}
67
68	/**
69	* Get loop only existing cells
70	*
71	* @return boolean
72	*/
73	public function getIterateOnlyExistingCells() {
74	return $this->_onlyExistingCells;
75	}
76
77	/**
78	* Validate start/end values for "IterateOnlyExistingCells" mode, and adjust if necessary
79	*
80	* @throws PHPExcel_Exception
81	*/
82	abstract protected function adjustForExistingOnlyRange();
83
84	/**
85	* Set the iterator to loop only existing cells
86	*
87	* @param boolean $value
88	* @throws PHPExcel_Exception
89	*/
90	public function setIterateOnlyExistingCells($value = true) {
91	$this->_onlyExistingCells = (boolean) $value;
92
93	$this->adjustForExistingOnlyRange();
94	}
95	}
96