|
1
|
|
|
<?php |
|
2
|
|
|
|
|
3
|
|
|
/** |
|
4
|
|
|
* GpsLab component. |
|
5
|
|
|
* |
|
6
|
|
|
* @author Peter Gribanov <[email protected]> |
|
7
|
|
|
* @copyright Copyright (c) 2011, Peter Gribanov |
|
8
|
|
|
* @license http://opensource.org/licenses/MIT |
|
9
|
|
|
*/ |
|
10
|
|
|
|
|
11
|
|
|
namespace GpsLab\Bundle\PaginationBundle\Service; |
|
12
|
|
|
|
|
13
|
|
|
use Doctrine\Common\Collections\ArrayCollection; |
|
14
|
|
|
use GpsLab\Bundle\PaginationBundle\Entity\Node; |
|
15
|
|
|
|
|
16
|
|
|
class View implements \IteratorAggregate |
|
17
|
|
|
{ |
|
18
|
|
|
/** |
|
19
|
|
|
* @var Configuration |
|
20
|
|
|
*/ |
|
21
|
|
|
private $config; |
|
22
|
|
|
|
|
23
|
|
|
/** |
|
24
|
|
|
* @var NavigateRange |
|
25
|
|
|
*/ |
|
26
|
|
|
private $range; |
|
27
|
|
|
|
|
28
|
|
|
/** |
|
29
|
|
|
* @var Node|null |
|
30
|
|
|
*/ |
|
31
|
|
|
private $first; |
|
32
|
|
|
|
|
33
|
|
|
/** |
|
34
|
|
|
* @var Node|null |
|
35
|
|
|
*/ |
|
36
|
|
|
private $prev; |
|
37
|
|
|
|
|
38
|
|
|
/** |
|
39
|
|
|
* @var Node|null |
|
40
|
|
|
*/ |
|
41
|
|
|
private $current; |
|
42
|
|
|
|
|
43
|
|
|
/** |
|
44
|
|
|
* @var Node|null |
|
45
|
|
|
*/ |
|
46
|
|
|
private $next; |
|
47
|
|
|
|
|
48
|
|
|
/** |
|
49
|
|
|
* @var Node|null |
|
50
|
|
|
*/ |
|
51
|
|
|
private $last; |
|
52
|
|
|
|
|
53
|
|
|
/** |
|
54
|
|
|
* @var ArrayCollection|null |
|
55
|
|
|
*/ |
|
56
|
|
|
private $list; |
|
57
|
|
|
|
|
58
|
|
|
/** |
|
59
|
|
|
* @param Configuration $config |
|
60
|
|
|
* @param NavigateRange $range |
|
61
|
|
|
*/ |
|
62
|
28 |
|
public function __construct(Configuration $config, NavigateRange $range) |
|
63
|
|
|
{ |
|
64
|
28 |
|
$this->config = $config; |
|
65
|
28 |
|
$this->range = $range; |
|
66
|
28 |
|
} |
|
67
|
|
|
|
|
68
|
|
|
/** |
|
69
|
|
|
* @return int |
|
70
|
|
|
*/ |
|
71
|
15 |
|
public function getTotal() |
|
72
|
|
|
{ |
|
73
|
15 |
|
return $this->config->getTotalPages(); |
|
74
|
|
|
} |
|
75
|
|
|
|
|
76
|
|
|
/** |
|
77
|
|
|
* @return Node|null |
|
78
|
|
|
*/ |
|
79
|
5 |
|
public function getFirst() |
|
80
|
|
|
{ |
|
81
|
5 |
|
if (!$this->first && $this->config->getCurrentPage() > 1) { |
|
82
|
4 |
|
$this->first = new Node(1, $this->buildLink(1)); |
|
83
|
|
|
} |
|
84
|
|
|
|
|
85
|
5 |
|
return $this->first; |
|
86
|
|
|
} |
|
87
|
|
|
|
|
88
|
|
|
/** |
|
89
|
|
|
* @return Node|null |
|
90
|
|
|
*/ |
|
91
|
3 |
|
public function getPrev() |
|
92
|
|
|
{ |
|
93
|
3 |
|
if (!$this->prev && $this->config->getCurrentPage() > 1) { |
|
94
|
2 |
|
$this->prev = new Node( |
|
95
|
2 |
|
$this->config->getCurrentPage() - 1, |
|
96
|
2 |
|
$this->buildLink($this->config->getCurrentPage() - 1) |
|
97
|
|
|
); |
|
98
|
|
|
} |
|
99
|
|
|
|
|
100
|
3 |
|
return $this->prev; |
|
101
|
|
|
} |
|
102
|
|
|
|
|
103
|
|
|
/** |
|
104
|
|
|
* @return Node |
|
105
|
|
|
*/ |
|
106
|
4 |
|
public function getCurrent() |
|
107
|
|
|
{ |
|
108
|
4 |
|
if (!$this->current) { |
|
109
|
4 |
|
$this->current = new Node( |
|
110
|
4 |
|
$this->config->getCurrentPage(), |
|
111
|
4 |
|
$this->buildLink($this->config->getCurrentPage()), |
|
112
|
4 |
|
true |
|
113
|
|
|
); |
|
114
|
|
|
} |
|
115
|
|
|
|
|
116
|
4 |
|
return $this->current; |
|
117
|
|
|
} |
|
118
|
|
|
|
|
119
|
|
|
/** |
|
120
|
|
|
* @return Node|null |
|
121
|
|
|
*/ |
|
122
|
3 |
|
public function getNext() |
|
123
|
|
|
{ |
|
124
|
3 |
|
if (!$this->next && $this->config->getCurrentPage() < $this->getTotal()) { |
|
125
|
2 |
|
$this->next = new Node( |
|
126
|
2 |
|
$this->config->getCurrentPage() + 1, |
|
127
|
2 |
|
$this->buildLink($this->config->getCurrentPage() + 1) |
|
128
|
|
|
); |
|
129
|
|
|
} |
|
130
|
|
|
|
|
131
|
3 |
|
return $this->next; |
|
132
|
|
|
} |
|
133
|
|
|
|
|
134
|
|
|
/** |
|
135
|
|
|
* @return Node|null |
|
136
|
|
|
*/ |
|
137
|
3 |
|
public function getLast() |
|
138
|
|
|
{ |
|
139
|
3 |
|
if (!$this->last && $this->config->getCurrentPage() < $this->getTotal()) { |
|
140
|
2 |
|
$this->last = new Node($this->getTotal(), $this->buildLink($this->getTotal())); |
|
141
|
|
|
} |
|
142
|
|
|
|
|
143
|
3 |
|
return $this->last; |
|
144
|
|
|
} |
|
145
|
|
|
|
|
146
|
|
|
/** |
|
147
|
|
|
* @return ArrayCollection|Node[] |
|
148
|
|
|
*/ |
|
149
|
8 |
|
public function getIterator() |
|
150
|
|
|
{ |
|
151
|
8 |
|
if (!($this->list instanceof ArrayCollection)) { |
|
152
|
8 |
|
$this->list = new ArrayCollection(); |
|
153
|
|
|
|
|
154
|
8 |
|
if ($this->getTotal() > 1) { |
|
155
|
|
|
// determining the first and last pages in paging based on the current page and offset |
|
156
|
7 |
|
$page = $this->config->getCurrentPage() - $this->range->getLeftOffset(); |
|
157
|
7 |
|
$page_to = $this->config->getCurrentPage() + $this->range->getRightOffset(); |
|
158
|
|
|
|
|
159
|
7 |
|
while ($page <= $page_to) { |
|
160
|
7 |
|
$this->list->add(new Node( |
|
161
|
7 |
|
$page, |
|
162
|
7 |
|
$this->buildLink($page), |
|
163
|
7 |
|
$page === $this->config->getCurrentPage() |
|
164
|
|
|
)); |
|
165
|
7 |
|
++$page; |
|
166
|
|
|
} |
|
167
|
|
|
} |
|
168
|
|
|
} |
|
169
|
|
|
|
|
170
|
8 |
|
return $this->list; |
|
171
|
|
|
} |
|
172
|
|
|
|
|
173
|
|
|
/** |
|
174
|
|
|
* @param int $page |
|
175
|
|
|
* |
|
176
|
|
|
* @return string |
|
177
|
|
|
*/ |
|
178
|
21 |
|
private function buildLink($page) |
|
179
|
|
|
{ |
|
180
|
21 |
|
if ($page === 1 && $this->config->getFirstPageLink()) { |
|
181
|
4 |
|
return $this->config->getFirstPageLink(); |
|
182
|
|
|
} |
|
183
|
|
|
|
|
184
|
17 |
|
if (is_callable($this->config->getPageLink())) { |
|
185
|
6 |
|
return call_user_func($this->config->getPageLink(), $page); |
|
186
|
|
|
} |
|
187
|
|
|
|
|
188
|
11 |
|
return sprintf($this->config->getPageLink(), $page); |
|
189
|
|
|
} |
|
190
|
|
|
} |
|
191
|
|
|
|
gpslab /
pagination-bundle
