1
|
|
|
<?php |
2
|
|
|
|
3
|
|
|
declare(strict_types=1); |
4
|
|
|
|
5
|
|
|
/* |
6
|
|
|
* This file is part of the TYPO3 CMS project. |
7
|
|
|
* |
8
|
|
|
* It is free software; you can redistribute it and/or modify it under |
9
|
|
|
* the terms of the GNU General Public License, either version 2 |
10
|
|
|
* of the License, or any later version. |
11
|
|
|
* |
12
|
|
|
* For the full copyright and license information, please read the |
13
|
|
|
* LICENSE.txt file that was distributed with this source code. |
14
|
|
|
* |
15
|
|
|
* The TYPO3 project - inspiring people to share! |
16
|
|
|
*/ |
17
|
|
|
|
18
|
|
|
namespace ApacheSolrForTypo3\Solr\Pagination; |
19
|
|
|
|
20
|
|
|
use TYPO3\CMS\Core\Pagination\PaginationInterface; |
21
|
|
|
use TYPO3\CMS\Core\Pagination\PaginatorInterface; |
22
|
|
|
|
23
|
|
|
/** |
24
|
|
|
* Class ResultsPagination |
25
|
|
|
* |
26
|
|
|
* @author Rudy Gnodde <[email protected]> |
27
|
|
|
*/ |
28
|
|
|
class ResultsPagination implements PaginationInterface |
29
|
|
|
{ |
30
|
|
|
/** |
31
|
|
|
* @var PaginatorInterface |
32
|
|
|
*/ |
33
|
|
|
protected PaginatorInterface $paginator; |
34
|
|
|
|
35
|
|
|
/** |
36
|
|
|
* @var int |
37
|
|
|
*/ |
38
|
|
|
protected int $maxPageNumbers = 0; |
39
|
|
|
|
40
|
|
|
/** |
41
|
|
|
* @var bool |
42
|
|
|
*/ |
43
|
|
|
protected bool $hasMorePages = false; |
44
|
|
|
|
45
|
|
|
/** |
46
|
|
|
* @var bool |
47
|
|
|
*/ |
48
|
|
|
protected bool $hasLessPages = false; |
49
|
|
|
|
50
|
|
|
/** |
51
|
|
|
* @var int |
52
|
|
|
*/ |
53
|
|
|
protected int $pageRangeFirst = 1; |
54
|
|
|
|
55
|
|
|
/** |
56
|
|
|
* @var int |
57
|
|
|
*/ |
58
|
|
|
protected int $pageRangeLast = 1; |
59
|
|
|
|
60
|
|
|
/** |
61
|
|
|
* @param PaginatorInterface $paginator |
62
|
|
|
*/ |
63
|
33 |
|
public function __construct(PaginatorInterface $paginator) |
64
|
|
|
{ |
65
|
33 |
|
$this->paginator = $paginator; |
66
|
33 |
|
$this->calculatePageRange(); |
67
|
|
|
} |
68
|
|
|
|
69
|
|
|
/** |
70
|
|
|
* Get maximum page numbers |
71
|
|
|
* |
72
|
|
|
* @return int |
73
|
|
|
*/ |
74
|
33 |
|
public function getMaxPageNumbers(): int |
75
|
|
|
{ |
76
|
33 |
|
return $this->maxPageNumbers; |
77
|
|
|
} |
78
|
|
|
|
79
|
|
|
/** |
80
|
|
|
* Set maximum page numbers |
81
|
|
|
* |
82
|
|
|
* @param int $maxPageNumbers |
83
|
|
|
*/ |
84
|
33 |
|
public function setMaxPageNumbers(int $maxPageNumbers): void |
85
|
|
|
{ |
86
|
33 |
|
$this->maxPageNumbers = $maxPageNumbers; |
87
|
33 |
|
$this->calculatePageRange(); |
88
|
|
|
} |
89
|
|
|
|
90
|
|
|
/** |
91
|
|
|
* Get has more pages |
92
|
|
|
* |
93
|
|
|
* @return bool |
94
|
|
|
*/ |
95
|
26 |
|
public function getHasMorePages(): bool |
96
|
|
|
{ |
97
|
26 |
|
return $this->hasMorePages; |
98
|
|
|
} |
99
|
|
|
|
100
|
|
|
/** |
101
|
|
|
* Get has less pages |
102
|
|
|
* |
103
|
|
|
* @return bool |
104
|
|
|
*/ |
105
|
26 |
|
public function getHasLessPages(): bool |
106
|
|
|
{ |
107
|
26 |
|
return $this->hasLessPages; |
108
|
|
|
} |
109
|
|
|
|
110
|
|
|
/** |
111
|
|
|
* Get page range first |
112
|
|
|
* |
113
|
|
|
* @return int |
114
|
|
|
*/ |
115
|
|
|
public function getPageRangeFirst(): int |
116
|
|
|
{ |
117
|
|
|
return $this->pageRangeFirst; |
118
|
|
|
} |
119
|
|
|
|
120
|
|
|
/** |
121
|
|
|
* Get page range last |
122
|
|
|
* |
123
|
|
|
* @return int |
124
|
|
|
*/ |
125
|
|
|
public function getPageRangeLast(): int |
126
|
|
|
{ |
127
|
|
|
return $this->pageRangeLast; |
128
|
|
|
} |
129
|
|
|
|
130
|
|
|
/** |
131
|
|
|
* Get previous page number |
132
|
|
|
* |
133
|
|
|
* @return int|null |
134
|
|
|
*/ |
135
|
26 |
|
public function getPreviousPageNumber(): ?int |
136
|
|
|
{ |
137
|
26 |
|
$previousPage = $this->paginator->getCurrentPageNumber() - 1; |
138
|
|
|
|
139
|
26 |
|
if ($previousPage > $this->paginator->getNumberOfPages()) { |
140
|
|
|
return null; |
141
|
|
|
} |
142
|
|
|
|
143
|
26 |
|
return $previousPage >= $this->getFirstPageNumber() |
144
|
1 |
|
? $previousPage |
145
|
26 |
|
: null |
146
|
|
|
; |
147
|
|
|
} |
148
|
|
|
|
149
|
|
|
/** |
150
|
|
|
* Get next page number |
151
|
|
|
* |
152
|
|
|
* @return int|null |
153
|
|
|
*/ |
154
|
26 |
|
public function getNextPageNumber(): ?int |
155
|
|
|
{ |
156
|
26 |
|
$nextPage = $this->paginator->getCurrentPageNumber() + 1; |
157
|
|
|
|
158
|
26 |
|
return $nextPage <= $this->paginator->getNumberOfPages() |
159
|
2 |
|
? $nextPage |
160
|
26 |
|
: null; |
161
|
|
|
} |
162
|
|
|
|
163
|
|
|
/** |
164
|
|
|
* Get first page number |
165
|
|
|
* |
166
|
|
|
* @return int |
167
|
|
|
*/ |
168
|
26 |
|
public function getFirstPageNumber(): int |
169
|
|
|
{ |
170
|
26 |
|
return 1; |
171
|
|
|
} |
172
|
|
|
|
173
|
|
|
/** |
174
|
|
|
* Get last page number |
175
|
|
|
* |
176
|
|
|
* @return int |
177
|
|
|
*/ |
178
|
33 |
|
public function getLastPageNumber(): int |
179
|
|
|
{ |
180
|
33 |
|
return $this->paginator->getNumberOfPages(); |
181
|
|
|
} |
182
|
|
|
|
183
|
|
|
/** |
184
|
|
|
* Get start record number |
185
|
|
|
* |
186
|
|
|
* @return int |
187
|
|
|
*/ |
188
|
26 |
|
public function getStartRecordNumber(): int |
189
|
|
|
{ |
190
|
26 |
|
if ($this->paginator->getCurrentPageNumber() > $this->paginator->getNumberOfPages()) { |
191
|
|
|
return 0; |
192
|
|
|
} |
193
|
|
|
|
194
|
26 |
|
return $this->paginator->getKeyOfFirstPaginatedItem() + 1; |
195
|
|
|
} |
196
|
|
|
|
197
|
|
|
/** |
198
|
|
|
* Get end record number |
199
|
|
|
* |
200
|
|
|
* @return int |
201
|
|
|
*/ |
202
|
|
|
public function getEndRecordNumber(): int |
203
|
|
|
{ |
204
|
|
|
if ($this->paginator->getCurrentPageNumber() > $this->paginator->getNumberOfPages()) { |
205
|
|
|
return 0; |
206
|
|
|
} |
207
|
|
|
|
208
|
|
|
return $this->paginator->getKeyOfLastPaginatedItem() + 1; |
209
|
|
|
} |
210
|
|
|
|
211
|
|
|
/** |
212
|
|
|
* Get all page numbers |
213
|
|
|
* |
214
|
|
|
* @return int[] |
215
|
|
|
*/ |
216
|
26 |
|
public function getAllPageNumbers(): array |
217
|
|
|
{ |
218
|
26 |
|
return range($this->pageRangeFirst, $this->pageRangeLast); |
219
|
|
|
} |
220
|
|
|
|
221
|
|
|
/** |
222
|
|
|
* Calculate page range |
223
|
|
|
*/ |
224
|
33 |
|
protected function calculatePageRange(): void |
225
|
|
|
{ |
226
|
33 |
|
$this->pageRangeFirst = 1; |
227
|
33 |
|
$this->pageRangeLast = $this->getLastPageNumber(); |
228
|
33 |
|
$this->hasLessPages = false; |
229
|
33 |
|
$this->hasMorePages = false; |
230
|
|
|
|
231
|
33 |
|
$maxNumberOfLinks = $this->getMaxPageNumbers(); |
232
|
33 |
|
if ($maxNumberOfLinks > 0) { |
233
|
|
|
$numberOfPages = $this->paginator->getNumberOfPages(); |
234
|
|
|
|
235
|
|
|
if ($numberOfPages > $maxNumberOfLinks) { |
236
|
|
|
$currentPage = $this->paginator->getCurrentPageNumber(); |
237
|
|
|
$pagesBeforeAndAfter = ($maxNumberOfLinks - 1) / 2; |
238
|
|
|
$this->pageRangeFirst = (int)($currentPage - floor($pagesBeforeAndAfter)); |
239
|
|
|
$this->pageRangeLast = (int)($currentPage + ceil($pagesBeforeAndAfter)); |
240
|
|
|
|
241
|
|
|
if ($this->pageRangeFirst < 1) { |
242
|
|
|
$this->pageRangeLast -= $this->pageRangeFirst - 1; |
243
|
|
|
} |
244
|
|
|
if ($this->pageRangeLast > $numberOfPages) { |
245
|
|
|
$this->pageRangeFirst -= $this->pageRangeLast - $numberOfPages; |
246
|
|
|
} |
247
|
|
|
$this->pageRangeFirst = max($this->pageRangeFirst, 1); |
248
|
|
|
$this->pageRangeLast = min($this->pageRangeLast, $numberOfPages); |
249
|
|
|
$this->hasLessPages = $this->pageRangeFirst > 1; |
250
|
|
|
$this->hasMorePages = $this->pageRangeLast < $numberOfPages; |
251
|
|
|
} |
252
|
|
|
} |
253
|
|
|
} |
254
|
|
|
} |
255
|
|
|
|