_res/_libs/tspaginator.class.php

   1 <?php
   2 // the url variable
   3 define ('PAG_VAR', 'pag');
   4 define ('PAG_COUNT', 4);//
   5 define ('PAG_ORDER', 'o');
   6 /**
   7  * @desc Decorator class for tdoAbstract
   8  */
   9
  10 class tsPaginator {
  11         public $start, $count, $page, $order;
  12         /**
  13          * @var tdoAbstract
  14          */
  15         protected $tdo;
  16
  17         public function __construct () {
  18                 $this->getPaginationVariables ();
  19         }
  20         public function __destruct () {}
  21
  22         public function getTotal () {
  23                 // getting the number of elements
  24                 if (empty ($this->total)) {
  25 //                      $this->tdo->limit = null;
  26 //                      $this->total = $this->tdo->getCount ();
  27 //                      $this->tdo->reset ();
  28                 }
  29                 $this->total = 33;
  30                 return $this->total;
  31         }
  32
  33         public function addObject (&$object) {
  34                 if (!($object instanceof tdoAbstract))
  35                         return false;
  36                 // add the pagination shit
  37                 $this->tdo = &$object;
  38         }
  39
  40         protected function getStart ($pageNo) {
  41                 if ((int)$pageNo <= 0)
  42                         $pageNo = 1;
  43                 // calculate the limit based on $total count of items and the pagination
  44                 return $this->count * ($pageNo-1) + 1;
  45         }
  46
  47         public function getPaginationVariables () {
  48                 // get the page variables: URL?p=?
  49                 $this->count    = PAG_COUNT;
  50                 $this->page             = tsController::getRequest (PAG_VAR);
  51                 $this->start    = $this->getStart ($this->page);
  52
  53                 // get the ORDER BY variables: URL?o=column_name:(bool)ASC
  54                 $this->order    = explode (':', tsController::getRequest (PAG_ORDER));
  55         }
  56         public function outputOrderHeaders () {
  57                 return;
  58         }
  59
  60         public function outputPagination () {
  61                 $retVal = $left = $right = '';
  62                 // how many stuff we got
  63                 $t = $this->getTotal();
  64                 $cnt    = floor ($this->getTotal() / $this->count);
  65                 $here   = tsController::getRequest(NAV_VAR);
  66
  67                 if (!empty ($this->order))
  68                         $this->addOrder ();
  69                 if (!empty ($this->limit))
  70                         $this->addLimit ();
  71
  72                 for ($i=1; $i <= $cnt; $i++) {
  73                         $r = tsController::setRequest($here, array(PAG_VAR => $i));
  74                         if ($i != $this->page)
  75                                 $retVal .= '<a href="'.tsController::setRequest($here, array(PAG_VAR => $i)).'">'.$i.'</a> ';
  76                         else
  77                                 $retVal .= $i.' ';
  78                 }
  79
  80                 if ($this->page > 1)
  81                         $left   = '<a href="'.tsController::setRequest($here, array(PAG_VAR=>$this->page-1)).'">&laquo;</a> ';
  82
  83                 if ($this->page < $cnt)
  84                         $right  = '<a href="'.tsController::setRequest($here, array(PAG_VAR=>$this->page+1)).'">&raquo;</a>';;
  85
  86                 return $left . $retVal . $right;
  87         }
  88
  89         public function addOrder () {
  90                 $fieldName = $this->order[0];
  91                 $order = (bool)@$this->order[1];  // if we have no value we treat it as DESC
  92
  93                 if ($this->tdo instanceof tdoAbstract && !empty ($this->order)) {
  94 //                      var_dump ($fieldName, $order, $this->tdo);die;
  95                         $this->tdo->addOrder ($fieldName, $order);
  96                 }
  97         }
  98
  99         public function addLimit () {
 100                 if ($this->tdo instanceof tdoAbstract && !empty ($this->start)) {
 101                         $this->tdo->addLimit ($this->start, $this->count);
 102                 }
 103         }
 104 }