visualizer / vendor / phpoffice / phpspreadsheet / src / PhpSpreadsheet / Collection / Cells.php

Cells.php in Visualizer – Tables & Charts Manager with Built-in AI Generator 3.4.11, at vendor/phpoffice/phpspreadsheet/src/PhpSpreadsheet/Collection/Cells.php

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1	<?php
2
3	namespace PhpOffice\PhpSpreadsheet\Collection;
4
5	use PhpOffice\PhpSpreadsheet\Cell\Cell;
6	use PhpOffice\PhpSpreadsheet\Cell\Coordinate;
7	use PhpOffice\PhpSpreadsheet\Exception as PhpSpreadsheetException;
8	use PhpOffice\PhpSpreadsheet\Worksheet\Worksheet;
9	use Psr\SimpleCache\CacheInterface;
10
11	class Cells
12	{
13	/**
14	* @var \Psr\SimpleCache\CacheInterface
15	*/
16	private $cache;
17
18	/**
19	* Parent worksheet.
20	*
21	* @var Worksheet
22	*/
23	private $parent;
24
25	/**
26	* The currently active Cell.
27	*
28	* @var Cell
29	*/
30	private $currentCell;
31
32	/**
33	* Coordinate of the currently active Cell.
34	*
35	* @var string
36	*/
37	private $currentCoordinate;
38
39	/**
40	* Flag indicating whether the currently active Cell requires saving.
41	*
42	* @var bool
43	*/
44	private $currentCellIsDirty = false;
45
46	/**
47	* An index of existing cells. Booleans indexed by their coordinate.
48	*
49	* @var bool[]
50	*/
51	private $index = [];
52
53	/**
54	* Prefix used to uniquely identify cache data for this worksheet.
55	*
56	* @var string
57	*/
58	private $cachePrefix;
59
60	/**
61	* Initialise this new cell collection.
62	*
63	* @param Worksheet $parent The worksheet for this cell collection
64	* @param CacheInterface $cache
65	*/
66	public function __construct(Worksheet $parent, CacheInterface $cache)
67	{
68	// Set our parent worksheet.
69	// This is maintained here to facilitate re-attaching it to Cell objects when
70	// they are woken from a serialized state
71	$this->parent = $parent;
72	$this->cache = $cache;
73	$this->cachePrefix = $this->getUniqueID();
74	}
75
76	/**
77	* Return the parent worksheet for this cell collection.
78	*
79	* @return Worksheet
80	*/
81	public function getParent()
82	{
83	return $this->parent;
84	}
85
86	/**
87	* Whether the collection holds a cell for the given coordinate.
88	*
89	* @param string $pCoord Coordinate of the cell to check
90	*
91	* @return bool
92	*/
93	public function has($pCoord)
94	{
95	if ($pCoord === $this->currentCoordinate) {
96	return true;
97	}
98
99	// Check if the requested entry exists in the index
100	return isset($this->index[$pCoord]);
101	}
102
103	/**
104	* Add or update a cell in the collection.
105	*
106	* @param Cell $cell Cell to update
107	*
108	* @throws PhpSpreadsheetException
109	*
110	* @return Cell
111	*/
112	public function update(Cell $cell)
113	{
114	return $this->add($cell->getCoordinate(), $cell);
115	}
116
117	/**
118	* Delete a cell in cache identified by coordinate.
119	*
120	* @param string $pCoord Coordinate of the cell to delete
121	*/
122	public function delete($pCoord)
123	{
124	if ($pCoord === $this->currentCoordinate && $this->currentCell !== null) {
125	$this->currentCell->detach();
126	$this->currentCoordinate = null;
127	$this->currentCell = null;
128	$this->currentCellIsDirty = false;
129	}
130
131	unset($this->index[$pCoord]);
132
133	// Delete the entry from cache
134	$this->cache->delete($this->cachePrefix . $pCoord);
135	}
136
137	/**
138	* Get a list of all cell coordinates currently held in the collection.
139	*
140	* @return string[]
141	*/
142	public function getCoordinates()
143	{
144	return array_keys($this->index);
145	}
146
147	/**
148	* Get a sorted list of all cell coordinates currently held in the collection by row and column.
149	*
150	* @return string[]
151	*/
152	public function getSortedCoordinates()
153	{
154	$sortKeys = [];
155	foreach ($this->getCoordinates() as $coord) {
156	$column = '';
157	$row = 0;
158	sscanf($coord, '%[A-Z]%d', $column, $row);
159	$sortKeys[sprintf('%09d%3s', $row, $column)] = $coord;
160	}
161	ksort($sortKeys);
162
163	return array_values($sortKeys);
164	}
165
166	/**
167	* Get highest worksheet column and highest row that have cell records.
168	*
169	* @return array Highest column name and highest row number
170	*/
171	public function getHighestRowAndColumn()
172	{
173	// Lookup highest column and highest row
174	$col = ['A' => '1A'];
175	$row = [1];
176	foreach ($this->getCoordinates() as $coord) {
177	$c = '';
178	$r = 0;
179	sscanf($coord, '%[A-Z]%d', $c, $r);
180	$row[$r] = $r;
181	$col[$c] = strlen($c) . $c;
182	}
183
184	// Determine highest column and row
185	$highestRow = max($row);
186	$highestColumn = substr(max($col), 1);
187
188	return [
189	'row' => $highestRow,
190	'column' => $highestColumn,
191	];
192	}
193
194	/**
195	* Return the cell coordinate of the currently active cell object.
196	*
197	* @return string
198	*/
199	public function getCurrentCoordinate()
200	{
201	return $this->currentCoordinate;
202	}
203
204	/**
205	* Return the column coordinate of the currently active cell object.
206	*
207	* @return string
208	*/
209	public function getCurrentColumn()
210	{
211	$column = '';
212	$row = 0;
213
214	sscanf($this->currentCoordinate, '%[A-Z]%d', $column, $row);
215
216	return $column;
217	}
218
219	/**
220	* Return the row coordinate of the currently active cell object.
221	*
222	* @return int
223	*/
224	public function getCurrentRow()
225	{
226	$column = '';
227	$row = 0;
228
229	sscanf($this->currentCoordinate, '%[A-Z]%d', $column, $row);
230
231	return (int) $row;
232	}
233
234	/**
235	* Get highest worksheet column.
236	*
237	* @param string $row Return the highest column for the specified row,
238	* or the highest column of any row if no row number is passed
239	*
240	* @return string Highest column name
241	*/
242	public function getHighestColumn($row = null)
243	{
244	if ($row === null) {
245	$colRow = $this->getHighestRowAndColumn();
246
247	return $colRow['column'];
248	}
249
250	$columnList = [1];
251	foreach ($this->getCoordinates() as $coord) {
252	$c = '';
253	$r = 0;
254
255	sscanf($coord, '%[A-Z]%d', $c, $r);
256	if ($r != $row) {
257	continue;
258	}
259	$columnList[] = Coordinate::columnIndexFromString($c);
260	}
261
262	return Coordinate::stringFromColumnIndex(max($columnList));
263	}
264
265	/**
266	* Get highest worksheet row.
267	*
268	* @param string $column Return the highest row for the specified column,
269	* or the highest row of any column if no column letter is passed
270	*
271	* @return int Highest row number
272	*/
273	public function getHighestRow($column = null)
274	{
275	if ($column === null) {
276	$colRow = $this->getHighestRowAndColumn();
277
278	return $colRow['row'];
279	}
280
281	$rowList = [0];
282	foreach ($this->getCoordinates() as $coord) {
283	$c = '';
284	$r = 0;
285
286	sscanf($coord, '%[A-Z]%d', $c, $r);
287	if ($c != $column) {
288	continue;
289	}
290	$rowList[] = $r;
291	}
292
293	return max($rowList);
294	}
295
296	/**
297	* Generate a unique ID for cache referencing.
298	*
299	* @return string Unique Reference
300	*/
301	private function getUniqueID()
302	{
303	return uniqid('phpspreadsheet.', true) . '.';
304	}
305
306	/**
307	* Clone the cell collection.
308	*
309	* @param Worksheet $parent The new worksheet that we're copying to
310	*
311	* @return self
312	*/
313	public function cloneCellCollection(Worksheet $parent)
314	{
315	$this->storeCurrentCell();
316	$newCollection = clone $this;
317
318	$newCollection->parent = $parent;
319	if (($newCollection->currentCell !== null) && (is_object($newCollection->currentCell))) {
320	$newCollection->currentCell->attach($this);
321	}
322
323	// Get old values
324	$oldKeys = $newCollection->getAllCacheKeys();
325	$oldValues = $newCollection->cache->getMultiple($oldKeys);
326	$newValues = [];
327	$oldCachePrefix = $newCollection->cachePrefix;
328
329	// Change prefix
330	$newCollection->cachePrefix = $newCollection->getUniqueID();
331	foreach ($oldValues as $oldKey => $value) {
332	$newValues[str_replace($oldCachePrefix, $newCollection->cachePrefix, $oldKey)] = clone $value;
333	}
334
335	// Store new values
336	$stored = $newCollection->cache->setMultiple($newValues);
337	if (!$stored) {
338	$newCollection->__destruct();
339
340	throw new PhpSpreadsheetException('Failed to copy cells in cache');
341	}
342
343	return $newCollection;
344	}
345
346	/**
347	* Remove a row, deleting all cells in that row.
348	*
349	* @param string $row Row number to remove
350	*/
351	public function removeRow($row)
352	{
353	foreach ($this->getCoordinates() as $coord) {
354	$c = '';
355	$r = 0;
356
357	sscanf($coord, '%[A-Z]%d', $c, $r);
358	if ($r == $row) {
359	$this->delete($coord);
360	}
361	}
362	}
363
364	/**
365	* Remove a column, deleting all cells in that column.
366	*
367	* @param string $column Column ID to remove
368	*/
369	public function removeColumn($column)
370	{
371	foreach ($this->getCoordinates() as $coord) {
372	$c = '';
373	$r = 0;
374
375	sscanf($coord, '%[A-Z]%d', $c, $r);
376	if ($c == $column) {
377	$this->delete($coord);
378	}
379	}
380	}
381
382	/**
383	* Store cell data in cache for the current cell object if it's "dirty",
384	* and the 'nullify' the current cell object.
385	*
386	* @throws PhpSpreadsheetException
387	*/
388	private function storeCurrentCell()
389	{
390	if ($this->currentCellIsDirty && !empty($this->currentCoordinate)) {
391	$this->currentCell->detach();
392
393	$stored = $this->cache->set($this->cachePrefix . $this->currentCoordinate, $this->currentCell);
394	if (!$stored) {
395	$this->__destruct();
396
397	throw new PhpSpreadsheetException("Failed to store cell {$this->currentCoordinate} in cache");
398	}
399	$this->currentCellIsDirty = false;
400	}
401
402	$this->currentCoordinate = null;
403	$this->currentCell = null;
404	}
405
406	/**
407	* Add or update a cell identified by its coordinate into the collection.
408	*
409	* @param string $pCoord Coordinate of the cell to update
410	* @param Cell $cell Cell to update
411	*
412	* @throws PhpSpreadsheetException
413	*
414	* @return \PhpOffice\PhpSpreadsheet\Cell\Cell
415	*/
416	public function add($pCoord, Cell $cell)
417	{
418	if ($pCoord !== $this->currentCoordinate) {
419	$this->storeCurrentCell();
420	}
421	$this->index[$pCoord] = true;
422
423	$this->currentCoordinate = $pCoord;
424	$this->currentCell = $cell;
425	$this->currentCellIsDirty = true;
426
427	return $cell;
428	}
429
430	/**
431	* Get cell at a specific coordinate.
432	*
433	* @param string $pCoord Coordinate of the cell
434	*
435	* @throws PhpSpreadsheetException
436	*
437	* @return \PhpOffice\PhpSpreadsheet\Cell\Cell Cell that was found, or null if not found
438	*/
439	public function get($pCoord)
440	{
441	if ($pCoord === $this->currentCoordinate) {
442	return $this->currentCell;
443	}
444	$this->storeCurrentCell();
445
446	// Return null if requested entry doesn't exist in collection
447	if (!$this->has($pCoord)) {
448	return null;
449	}
450
451	// Check if the entry that has been requested actually exists
452	$cell = $this->cache->get($this->cachePrefix . $pCoord);
453	if ($cell === null) {
454	throw new PhpSpreadsheetException("Cell entry {$pCoord} no longer exists in cache. This probably means that the cache was cleared by someone else.");
455	}
456
457	// Set current entry to the requested entry
458	$this->currentCoordinate = $pCoord;
459	$this->currentCell = $cell;
460	// Re-attach this as the cell's parent
461	$this->currentCell->attach($this);
462
463	// Return requested entry
464	return $this->currentCell;
465	}
466
467	/**
468	* Clear the cell collection and disconnect from our parent.
469	*/
470	public function unsetWorksheetCells()
471	{
472	if ($this->currentCell !== null) {
473	$this->currentCell->detach();
474	$this->currentCell = null;
475	$this->currentCoordinate = null;
476	}
477
478	// Flush the cache
479	$this->__destruct();
480
481	$this->index = [];
482
483	// detach ourself from the worksheet, so that it can then delete this object successfully
484	$this->parent = null;
485	}
486
487	/**
488	* Destroy this cell collection.
489	*/
490	public function __destruct()
491	{
492	$this->cache->deleteMultiple($this->getAllCacheKeys());
493	}
494
495	/**
496	* Returns all known cache keys.
497	*
498	* @return \Generator\|string[]
499	*/
500	private function getAllCacheKeys()
501	{
502	foreach ($this->getCoordinates() as $coordinate) {
503	yield $this->cachePrefix . $coordinate;
504	}
505	}
506	}
507