AgelxNash /
DocLister
| Total Complexity | 76 |
| Total Lines | 419 |
| Duplicated Lines | 0 % |
| Changes | 1 | ||
| Bugs | 1 | Features | 0 |
Complex classes like DLpaginate often do a lot of different things. To break such a class down, we need to identify a cohesive component within that class. A common approach to find such a component is to look for fields/methods that share the same prefixes, or suffixes.
Once you have determined the fields that belong together, you can apply the Extract Class refactoring. If the component makes sense as a sub-class, Extract Subclass is also a candidate, and is often faster.
While breaking up the class, it is a good idea to analyze how other classes use DLpaginate, and based on these observations, apply Extract Interface, too.
| 1 | <?php |
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| 6 | class DLpaginate |
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| 7 | { |
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| 8 | /** |
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| 9 | * Script Name: *Digg Style Paginator Class |
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| 10 | * Script URI: http://www.mis-algoritmos.com/2007/05/27/digg-style-pagination-class/ |
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| 11 | * Description: Class in PHP that allows to use a pagination like a digg or sabrosus style. |
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| 12 | * Script Version: 0.5 |
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| 13 | * Author: Victor De la Rocha |
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| 14 | * Author: Agel Nash |
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| 15 | * Author URI: http://www.mis-algoritmos.com |
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| 16 | */ |
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| 17 | |||
| 18 | /**Default values*/ |
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| 19 | public $total_pages = -1; //items |
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| 20 | public $limit = null; |
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| 21 | public $target = ""; |
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| 22 | public $page = 1; |
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| 23 | public $adjacents = 2; |
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| 24 | public $showCounter = false; |
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| 25 | public $className = "pagination"; |
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| 26 | public $parameterName = "page"; |
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| 27 | public $urlF = null; //urlFriendly |
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| 28 | |||
| 29 | /**Buttons next and previous*/ |
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| 30 | public $nextT = ' <a href="[+link+]">Next</a> '; |
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| 31 | public $nextI = "»"; //► |
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| 32 | public $prevT = ' <a href="[+link+]">Previous</a> '; |
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| 33 | public $prevI = "«"; //◄ |
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| 34 | |||
| 35 | /**Buttons last and first*/ |
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| 36 | public $lastT = ' <a href="[+link+]">Last</a> '; |
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| 37 | public $lastI = "»»"; //► |
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| 38 | public $firstT = ' <a href="[+link+]">First</a> '; |
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| 39 | public $firstI = "««"; //◄ |
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| 40 | |||
| 41 | public $numberT = ' <a href="[+link+]">[+num+]</a> '; |
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| 42 | public $currentT = ' <b>[+num+]</b> '; |
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| 43 | |||
| 44 | public $mainTpl = '<div class="[+classname+]">[+wrap+]</div>'; |
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| 45 | |||
| 46 | public $dotsT = ' ... '; |
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| 47 | |||
| 48 | /*****/ |
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| 49 | protected $mode = null; |
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| 50 | protected $modeConfig = array(); |
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| 51 | |||
| 52 | private $calculate = false; |
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| 53 | private $pagination; |
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| 54 | |||
| 55 | /** |
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| 56 | * @param $mode |
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| 57 | * @param array $config |
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| 58 | * @return $this |
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| 59 | */ |
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| 60 | public function setMode($mode, array $config = array()) |
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| 61 | { |
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| 62 | $this->mode = $mode; |
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| 63 | $this->modeConfig = $config; |
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| 64 | |||
| 65 | return $this; |
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| 66 | } |
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| 67 | |||
| 68 | /** |
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| 69 | * Total items |
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| 70 | * |
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| 71 | * @param $value |
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| 72 | * @return $this |
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| 73 | */ |
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| 74 | public function items($value) |
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| 75 | { |
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| 76 | $this->total_pages = (int)$value; |
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| 77 | |||
| 78 | return $this; |
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| 79 | } |
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| 80 | |||
| 81 | /** |
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| 82 | * how many items to show per page |
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| 83 | * |
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| 84 | * @param $value |
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| 85 | * @return $this |
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| 86 | */ |
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| 87 | public function limit($value) |
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| 88 | { |
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| 89 | $this->limit = (int)$value; |
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| 90 | |||
| 91 | return $this; |
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| 92 | } |
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| 93 | |||
| 94 | /** |
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| 95 | * Page to sent the page value |
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| 96 | * |
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| 97 | * @param $value |
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| 98 | * @return $this |
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| 99 | */ |
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| 100 | public function target($value) |
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| 101 | { |
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| 102 | $this->target = $value; |
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| 103 | |||
| 104 | return $this; |
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| 105 | } |
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| 106 | |||
| 107 | /** |
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| 108 | * Current page |
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| 109 | * |
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| 110 | * @param $value |
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| 111 | * @return $this |
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| 112 | */ |
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| 113 | public function currentPage($value) |
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| 114 | { |
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| 115 | $this->page = (int)$value; |
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| 116 | |||
| 117 | return $this; |
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| 118 | } |
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| 119 | |||
| 120 | /** |
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| 121 | * How many adjacent pages should be shown on each side of the current page? |
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| 122 | * |
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| 123 | * @param $value |
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| 124 | * @return $this |
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| 125 | */ |
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| 126 | public function adjacents($value) |
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| 127 | { |
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| 128 | $this->adjacents = (int)$value; |
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| 129 | |||
| 130 | return $this; |
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| 131 | } |
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| 132 | |||
| 133 | /** |
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| 134 | * show counter? |
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| 135 | * |
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| 136 | * @param string $value |
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| 137 | * @return $this |
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| 138 | */ |
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| 139 | public function showCounter($value = "") |
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| 140 | { |
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| 141 | $this->showCounter = ($value === true) ? true : false; |
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|
introduced
by
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| 142 | |||
| 143 | return $this; |
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| 144 | } |
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| 145 | |||
| 146 | /** |
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| 147 | * to change the class name of the pagination div |
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| 148 | * |
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| 149 | * @param string $value |
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| 150 | * @return $this |
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| 151 | */ |
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| 152 | public function changeClass($value = "") |
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| 153 | { |
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| 154 | $this->className = $value; |
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| 155 | |||
| 156 | return $this; |
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| 157 | } |
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| 158 | |||
| 159 | /** |
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| 160 | * @param $value |
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| 161 | * @return $this |
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| 162 | */ |
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| 163 | public function mainTpl($value) |
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| 164 | { |
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| 165 | $this->mainTpl = $value; |
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| 166 | |||
| 167 | return $this; |
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| 168 | } |
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| 169 | |||
| 170 | /** |
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| 171 | * @param $value |
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| 172 | * @return $this |
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| 173 | */ |
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| 174 | public function nextLabel($value) |
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| 175 | { |
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| 176 | $this->nextT = $value; |
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| 177 | |||
| 178 | return $this; |
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| 179 | } |
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| 180 | |||
| 181 | /** |
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| 182 | * @param $value |
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| 183 | * @return $this |
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| 184 | */ |
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| 185 | public function nextIcon($value) |
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| 186 | { |
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| 187 | $this->nextI = $value; |
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| 188 | |||
| 189 | return $this; |
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| 190 | } |
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| 191 | |||
| 192 | /** |
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| 193 | * @param $value |
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| 194 | * @return $this |
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| 195 | */ |
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| 196 | public function prevLabel($value) |
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| 201 | } |
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| 202 | |||
| 203 | /** |
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| 204 | * @param $value |
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| 205 | * @return $this |
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| 206 | */ |
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| 207 | public function prevIcon($value) |
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| 208 | { |
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| 209 | $this->prevI = $value; |
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| 210 | |||
| 211 | return $this; |
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| 212 | } |
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| 213 | |||
| 214 | /** |
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| 215 | * to change the class name of the pagination div |
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| 216 | * |
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| 217 | * @param string $value |
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| 218 | * @return $this |
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| 219 | */ |
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| 220 | public function parameterName($value = "") |
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| 221 | { |
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| 222 | $this->parameterName = $value; |
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| 223 | |||
| 224 | return $this; |
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| 225 | } |
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| 226 | |||
| 227 | /** |
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| 228 | * to change urlFriendly |
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| 229 | * |
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| 230 | * @param string $value |
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| 231 | * @return $this |
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| 232 | */ |
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| 233 | public function urlFriendly($value = "%") |
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| 234 | { |
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| 235 | if (preg_match('/^\s/', $value)) { |
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| 236 | $this->urlF = false; |
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| 237 | } |
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| 238 | $this->urlF = $value; |
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| 239 | |||
| 240 | return $this; |
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| 241 | } |
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| 242 | |||
| 243 | public function show() |
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| 244 | { |
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| 245 | echo $this->getOutput(); |
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| 246 | } |
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| 247 | |||
| 248 | /** |
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| 249 | * @return string |
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| 250 | */ |
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| 251 | public function getOutput() |
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| 252 | { |
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| 253 | $out = ''; |
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| 254 | if (!$this->calculate && $this->calculate() && !empty($this->pagination)) { |
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| 255 | $out = str_replace(array("[+class+]", "[+wrap+]"), array($this->className, $this->pagination), |
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| 256 | $this->mainTpl) . "\n"; |
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| 257 | } |
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| 258 | |||
| 259 | return $out; |
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| 260 | } |
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| 261 | |||
| 262 | /** |
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| 263 | * @param $page |
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| 264 | * @return int|mixed |
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| 265 | */ |
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| 266 | protected function getPageQuery($page) |
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| 267 | { |
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| 268 | switch ($this->mode) { |
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| 269 | case 'offset': |
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| 270 | $display = isset($this->modeConfig['display']) ? $this->modeConfig['display'] : 0; |
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| 271 | $out = $display * ($page - 1); |
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| 272 | break; |
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| 273 | case 'back': |
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| 274 | case 'pages': |
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| 275 | default: |
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| 276 | $out = $page; |
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| 277 | break; |
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| 278 | } |
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| 279 | |||
| 280 | return $out; |
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| 281 | } |
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| 282 | |||
| 283 | /** |
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| 284 | * @param $id |
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| 285 | * @return mixed|string |
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| 286 | */ |
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| 287 | public function get_pagenum_link($id) |
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| 288 | { |
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| 289 | $flag = (strpos($this->target, '?') === false); |
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| 290 | $value = $this->getPageQuery($id); |
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| 291 | if ($flag && !empty($this->urlF)) { |
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| 292 | $out = str_replace($this->urlF, $value, $this->target); |
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| 293 | } else { |
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| 294 | $out = $this->target; |
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| 295 | if ($id > 1) { |
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| 296 | $out .= ($flag ? "?" : "&") . $this->parameterName . "=" . $value; |
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| 297 | } |
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| 298 | } |
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| 299 | |||
| 300 | return $out; |
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| 301 | } |
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| 302 | |||
| 303 | /** |
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| 304 | * @return bool |
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| 305 | */ |
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| 306 | public function calculate() |
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| 307 | { |
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| 308 | $this->pagination = ""; |
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| 309 | $this->calculate = true; |
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| 310 | $error = false; |
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| 311 | |||
| 312 | if (!empty($this->urlF) && is_scalar($this->urlF) && $this->urlF != '%' && strpos($this->target, |
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| 313 | $this->urlF) === false |
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| 314 | ) { |
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| 315 | //Es necesario especificar el comodin para sustituir |
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| 316 | $error = true; |
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| 317 | } elseif (!empty($this->urlF) && is_scalar($this->urlF) && $this->urlF == '%' && strpos($this->target, |
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| 318 | $this->urlF) === false |
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| 319 | ) { |
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| 320 | $error = true; |
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| 321 | } |
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| 322 | |||
| 323 | if ($this->total_pages < 0) { |
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| 324 | $error = true; |
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| 325 | } |
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| 326 | if (!is_int($this->limit)) { |
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| 327 | $error = true; |
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| 328 | } |
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| 329 | if ($error) { |
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| 330 | return false; |
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| 331 | } |
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| 332 | |||
| 333 | $counter = 0; |
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| 334 | |||
| 335 | /* Setup page vars for display. */ |
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| 336 | $prev = ($this->page <= 1) ? 0 : $this->page - 1; //previous page is page - 1 |
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| 337 | $next = (($this->page == $this->total_pages) ? 0 : ($this->page + 1)); //next page is page + 1 |
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| 338 | $lastpage = $this->total_pages; |
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| 339 | if ($this->limit > 1 && $lastpage > $this->limit) { |
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| 340 | $lastpage = $this->limit; |
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| 341 | } |
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| 342 | $lpm1 = $lastpage - 1; //last page minus 1 |
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| 343 | |||
| 344 | /* |
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| 345 | Now we apply our rules and draw the pagination object. |
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| 346 | We're actually saving the code to a variable in case we want to draw it more than once. |
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| 347 | */ |
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| 348 | if ($lastpage > 1) { |
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| 349 | if ($this->page) { |
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| 350 | if ($this->page > 1) { |
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| 351 | $this->pagination .= $this->firstT ? $this->renderItemTPL($this->firstT, 0) : ''; |
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| 352 | $this->pagination .= $this->prevT ? $this->renderItemTPL($this->prevT, $prev) : ''; |
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| 353 | } else { |
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| 354 | $this->pagination .= $this->firstI ? $this->renderItemTPL($this->firstI, 0) : ''; |
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| 355 | $this->pagination .= $this->prevI ? $this->renderItemTPL($this->prevI, $prev) : ''; |
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| 356 | } |
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| 357 | } |
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| 358 | //pages |
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| 359 | if ($lastpage < 7 + ($this->adjacents * 2)) { //not enough pages to bother breaking it up |
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| 360 | for ($counter = 1; $counter <= $lastpage; $counter++) { |
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| 361 | $tpl = ($counter == $this->page) ? $this->currentT : $this->numberT; |
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| 362 | $this->pagination .= $this->renderItemTPL($tpl, $counter); |
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| 363 | } |
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| 364 | } elseif ($lastpage > 5 + ($this->adjacents * 2)) { //enough pages to hide some |
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| 365 | //close to beginning; only hide later pages |
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| 366 | if ($this->page <= 2 + ($this->adjacents * 2)) { |
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| 367 | for ($counter = 1; $counter < 4 + ($this->adjacents * 2); $counter++) { |
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| 368 | $tpl = ($counter == $this->page) ? $this->currentT : $this->numberT; |
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| 369 | $this->pagination .= $this->renderItemTPL($tpl, $counter); |
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| 370 | } |
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| 371 | $this->pagination .= $this->renderItemTPL($this->dotsT, $counter); |
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| 372 | $this->pagination .= $this->renderItemTPL($this->numberT, $lpm1); |
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| 373 | $this->pagination .= $this->renderItemTPL($this->numberT, $lastpage); |
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| 374 | } //in middle; hide some front and some back |
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| 375 | elseif ($lastpage - ($this->adjacents * 2) > $this->page && $this->page > ($this->adjacents * 2)) { |
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| 376 | $this->pagination .= $this->renderItemTPL($this->numberT, 1); |
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| 377 | $this->pagination .= $this->renderItemTPL($this->numberT, 2); |
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| 378 | $this->pagination .= $this->renderItemTPL($this->dotsT, 3); |
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| 379 | |||
| 380 | for ($counter = $this->page - $this->adjacents; $counter <= $this->page + $this->adjacents; $counter++) { |
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| 381 | $tpl = ($counter == $this->page) ? $this->currentT : $this->numberT; |
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| 382 | $this->pagination .= $this->renderItemTPL($tpl, $counter); |
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| 383 | } |
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| 384 | $this->pagination .= $this->renderItemTPL($this->dotsT, $counter); |
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| 385 | $this->pagination .= $this->renderItemTPL($this->numberT, $lpm1); |
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| 386 | $this->pagination .= $this->renderItemTPL($this->numberT, $lastpage); |
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| 387 | } //close to end; only hide early pages |
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| 388 | else { |
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| 389 | $this->pagination .= $this->renderItemTPL($this->numberT, 1); |
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| 390 | $this->pagination .= $this->renderItemTPL($this->numberT, 2); |
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| 391 | $this->pagination .= $this->renderItemTPL($this->dotsT, 3); |
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| 392 | |||
| 393 | for ($counter = $lastpage - (2 + ($this->adjacents * 2)); $counter <= $lastpage; $counter++) { |
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| 394 | $tpl = ($counter == $this->page) ? $this->currentT : $this->numberT; |
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| 395 | $this->pagination .= $this->renderItemTPL($tpl, $counter); |
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| 396 | } |
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| 397 | } |
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| 398 | } |
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| 399 | if ($this->page) { |
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| 400 | if ($this->page < $counter - 1) { |
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| 401 | $this->pagination .= $this->nextT ? $this->renderItemTPL($this->nextT, $next) : ''; |
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| 402 | $this->pagination .= $this->lastT ? $this->renderItemTPL($this->lastT, $lastpage) : ''; |
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| 403 | } else { |
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| 404 | $this->pagination .= $this->nextI ? $this->renderItemTPL($this->nextI, $next) : ''; |
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| 405 | $this->pagination .= $this->lastI ? $this->renderItemTPL($this->lastI, $lastpage) : ''; |
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| 406 | } |
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| 407 | |||
| 408 | if ($this->showCounter) { |
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| 409 | $this->pagination .= "<div class=\"pagination_data\">($this->total_pages Pages)</div>"; |
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| 410 | } |
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| 411 | } |
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| 412 | } |
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| 413 | |||
| 414 | return true; |
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| 415 | } |
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| 416 | |||
| 417 | /** |
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| 418 | * @param $tpl |
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| 419 | * @param $num |
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| 420 | * @return mixed |
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| 421 | */ |
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| 422 | protected function renderItemTPL($tpl, $num) |
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| 425 | } |
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| 426 | } |
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| 427 |
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