1
|
|
|
<?php |
2
|
|
|
namespace Ajax\semantic\widgets\datatable; |
3
|
|
|
|
4
|
|
|
class Pagination { |
5
|
|
|
private $items_per_page; |
6
|
|
|
private $page; |
7
|
|
|
private $visible; |
8
|
|
|
private $page_count; |
9
|
|
|
private $pages_visibles; |
10
|
|
|
|
11
|
|
|
public function __construct($items_per_page=10,$pages_visibles=4,$page=1){ |
12
|
|
|
$this->items_per_page=$items_per_page; |
13
|
|
|
$this->page=$page; |
14
|
|
|
$this->pages_visibles=$pages_visibles; |
15
|
|
|
$this->visible=true; |
16
|
|
|
} |
17
|
|
|
|
18
|
|
|
public function getObjects($objects){ |
19
|
|
|
$offset = ($this->page - 1) * $this->items_per_page; |
20
|
|
|
$os=$objects; |
21
|
|
|
if(\is_array($os)===false){ |
22
|
|
|
$os=[]; |
23
|
|
|
foreach ($objects as $o){ |
24
|
|
|
$os[]=$o; |
25
|
|
|
} |
26
|
|
|
} |
27
|
|
|
$this->page_count = 0; |
28
|
|
|
$row_count=\sizeof($os); |
29
|
|
|
if (0 === $row_count) { |
30
|
|
|
$this->visible=false; |
31
|
|
|
} else { |
32
|
|
|
$this->visible=true; |
33
|
|
|
$this->page_count = (int)ceil($row_count / $this->items_per_page); |
34
|
|
|
if($this->page > $this->page_count+1) { |
35
|
|
|
$this->page = 1; |
36
|
|
|
} |
37
|
|
|
} |
38
|
|
|
return array_slice($os, $offset,$this->items_per_page); |
39
|
|
|
} |
40
|
|
|
|
41
|
|
|
public function getItemsPerPage() { |
42
|
|
|
return $this->items_per_page; |
43
|
|
|
} |
44
|
|
|
|
45
|
|
|
public function setItemsPerPage($items_per_page) { |
46
|
|
|
$this->items_per_page=$items_per_page; |
47
|
|
|
return $this; |
48
|
|
|
} |
49
|
|
|
|
50
|
|
|
public function getPage() { |
51
|
|
|
return $this->page; |
52
|
|
|
} |
53
|
|
|
|
54
|
|
|
public function setPage($page) { |
55
|
|
|
$this->page=$page; |
56
|
|
|
return $this; |
57
|
|
|
} |
58
|
|
|
|
59
|
|
|
public function getVisible() { |
60
|
|
|
return $this->visible; |
61
|
|
|
} |
62
|
|
|
|
63
|
|
|
public function setVisible($visible) { |
64
|
|
|
$this->visible=$visible; |
65
|
|
|
return $this; |
66
|
|
|
} |
67
|
|
|
|
68
|
|
|
public function getPageCount() { |
69
|
|
|
return $this->page_count; |
70
|
|
|
} |
71
|
|
|
|
72
|
|
|
public function getPagesNumbers(){ |
73
|
|
|
$middle= (int)ceil(($this->pages_visibles-1)/ 2); |
74
|
|
|
$first=$this->page-$middle; |
75
|
|
|
if($first<1){ |
76
|
|
|
$first=1; |
77
|
|
|
} |
78
|
|
|
$last=$first+$this->pages_visibles-1; |
79
|
|
|
if($last>$this->page_count){ |
80
|
|
|
$last=$this->page_count; |
81
|
|
|
} |
82
|
|
|
return \range($first, $last); |
83
|
|
|
} |
84
|
|
|
|
85
|
|
|
} |