1
|
|
|
<?php |
2
|
|
|
declare(strict_types=1); |
3
|
|
|
|
4
|
|
|
namespace Selami\View\Twig\Functions; |
5
|
|
|
|
6
|
|
|
use Selami\View\FunctionInterface; |
7
|
|
|
|
8
|
|
|
class Pagination implements FunctionInterface |
9
|
|
|
{ |
10
|
|
|
const PAGE_GROUP_LIMIT = 3; |
11
|
|
|
private $total; |
12
|
|
|
private $current; |
13
|
|
|
private $linkTemplate; |
14
|
|
|
private $parentTemplate; |
15
|
|
|
private $itemTemplate; |
16
|
|
|
private $linkItemTemplate; |
17
|
|
|
private $ellipsesTemplate; |
18
|
|
|
|
19
|
|
|
public function __construct( |
20
|
|
|
int $total, |
21
|
|
|
int $current, |
22
|
|
|
string $linkTemplate, |
23
|
|
|
string $parentTemplate, |
24
|
|
|
string $itemTemplate, |
25
|
|
|
string $linkItemTemplate, |
26
|
|
|
string $ellipsesTemplate |
27
|
|
|
) { |
28
|
|
|
|
29
|
|
|
$this->total = $total; |
30
|
|
|
$this->current = $current; |
31
|
|
|
$this->linkTemplate = $linkTemplate; |
32
|
|
|
$this->parentTemplate = $parentTemplate; |
33
|
|
|
$this->itemTemplate = $itemTemplate; |
34
|
|
|
$this->linkItemTemplate = $linkItemTemplate; |
35
|
|
|
$this->ellipsesTemplate = $ellipsesTemplate; |
36
|
|
|
} |
37
|
|
|
|
38
|
|
|
public function run(): string |
39
|
|
|
{ |
40
|
|
|
$items = ''; |
41
|
|
|
$renderedEllipses = 0; |
42
|
|
|
$useEllipses = ($this->total > 10) ? 1 : 0; |
43
|
|
|
|
44
|
|
|
for ($i=1; $i <= $this->total; $i++) { |
45
|
|
|
$item = $this->getItem($i, $renderedEllipses, $useEllipses); |
46
|
|
|
$items .= $item[0]; |
47
|
|
|
$renderedEllipses = $item[1]; |
48
|
|
|
} |
49
|
|
|
return str_replace('(items)', $items, $this->parentTemplate); |
50
|
|
|
} |
51
|
|
|
|
52
|
|
|
private function getItem(int $i, $renderedEllipses, $useEllipses) : array |
53
|
|
|
{ |
54
|
|
|
$values = [ |
55
|
|
|
'(item_class)' => '', |
56
|
|
|
'(href)' => '', |
57
|
|
|
'(link_class)' => '', |
58
|
|
|
'(text)' => '' |
59
|
|
|
]; |
60
|
|
|
$class = $this->getClasses($i); |
61
|
|
|
$values['(link_class)'] = $class; |
62
|
|
|
$values['(item_class)'] = $class; |
63
|
|
|
$values['(text)'] = $i; |
64
|
|
|
$values['(href)'] = str_replace('(page_num)', $i, $this->linkTemplate); |
65
|
|
|
|
66
|
|
|
$itemData = $this->determineUseLink($i, $values, $useEllipses, $renderedEllipses); |
67
|
|
|
|
68
|
|
|
return $itemData; |
69
|
|
|
} |
70
|
|
|
|
71
|
|
|
private function determineUseLink(int $i, array $values, int $useEllipses, int $renderedEllipses) : array |
72
|
|
|
{ |
73
|
|
|
$item =''; |
|
|
|
|
74
|
|
|
if ($useEllipses === 1) { |
75
|
|
|
return $this->useEllipses($i, $values, $renderedEllipses); |
76
|
|
|
} |
77
|
|
|
$link = strtr($this->linkItemTemplate, $values); |
78
|
|
|
$thisItemTemplate = str_replace( |
79
|
|
|
array('(link)'), |
80
|
|
|
array($link), |
81
|
|
|
$this->itemTemplate |
82
|
|
|
); |
83
|
|
|
$item = strtr($thisItemTemplate, $values); |
84
|
|
|
return [$item, $renderedEllipses]; |
85
|
|
|
} |
86
|
|
|
|
87
|
|
|
private function useEllipses(int $i, array $values, int $renderedEllipses) |
88
|
|
|
{ |
89
|
|
|
$pageGroupLimit = self::PAGE_GROUP_LIMIT; |
90
|
|
|
$item = ''; |
91
|
|
|
if (($i <= $pageGroupLimit) |
92
|
|
|
|| ($i >= ($this->current-1) && $i <= ($this->current+1)) |
93
|
|
|
|| ($i >= ($this->total-2)) |
94
|
|
|
) { |
95
|
|
|
return $this->returnLink($values); |
96
|
|
|
} |
97
|
|
|
if ($renderedEllipses === 0) { |
98
|
|
|
$item = $this->ellipsesTemplate; |
99
|
|
|
} |
100
|
|
|
$renderedEllipses = 1; |
101
|
|
|
return [$item, $renderedEllipses]; |
102
|
|
|
} |
103
|
|
|
|
104
|
|
|
private function returnLink($values) |
105
|
|
|
{ |
106
|
|
|
$renderedEllipses = 0; |
107
|
|
|
$link = strtr($this->linkItemTemplate, $values); |
108
|
|
|
$thisItemTemplate = str_replace( |
109
|
|
|
array('(link)'), |
110
|
|
|
array($link), |
111
|
|
|
$this->itemTemplate |
112
|
|
|
); |
113
|
|
|
$item = strtr($thisItemTemplate, $values); |
114
|
|
|
return [$item, $renderedEllipses]; |
115
|
|
|
} |
116
|
|
|
|
117
|
|
|
private function getClasses(int $i) |
118
|
|
|
{ |
119
|
|
|
if ($i === $this->current) { |
120
|
|
|
return 'active'; |
121
|
|
|
} |
122
|
|
|
return ''; |
123
|
|
|
} |
124
|
|
|
} |
125
|
|
|
|
This check looks for variable assignements that are either overwritten by other assignments or where the variable is not used subsequently.
Both the
$myVar
assignment in line 1 and the$higher
assignment in line 2 are dead. The first because$myVar
is never used and the second because$higher
is always overwritten for every possible time line.