contrib/meneame_pagination.php

   1 <?php
   2
   3 class Haanga_Extension_Tag_MeneamePagination
   4 {
   5     public $is_block = FALSE;
   6
   7     static function generator($cmp, $args, $redirected)
   8     {
   9         if (count($args) != 3 && count($args) != 4) {
  10             throw new Haanga_CompilerException("Memeame_Pagination requires 3 or 4 parameters");
  11         }
  12
  13         if (count($args) == 3) {
  14             $args[3] = 5;
  15         }
  16
  17         $current = hvar('mnm_current');
  18         $total   = hvar('mnm_total');
  19         $start   = hvar('mnm_start');
  20         $end     = hvar('mnm_end');
  21         $prev    = hvar('mnm_prev');
  22         $next    = hvar('mnm_next');
  23         $pages   = 'mnm_pages';
  24
  25         $code = hcode();
  26
  27         $code->decl($current, $args[0]);
  28         $code->decl($total, hexec('ceil', hexpr($args[2], '/', $args[1])) );
  29         $code->decl($start, hexec('max', hexpr($current, '-', hexec('intval', hexpr($args[3],'/', 2))), 1));
  30         $code->decl($end, hexpr($start, '+', $args[3], '-', 1));
  31         $code->decl($prev, hexpr_cond( hexpr(1, '==', $current), FALSE, hexpr($current, '-', 1)) );
  32         $code->decl($next, hexpr_cond( hexpr($args[2], '<', 0, '||', $current, '<', $total), hexpr($current, '+', 1), FALSE));
  33         $code->decl('mnm_pages', hexec('range', $start, hexpr_cond(hexpr($end,'<', $total), $end, $total)));
  34
  35         $cmp->set_safe($current);
  36         $cmp->set_safe($total);
  37         $cmp->set_safe($prev);
  38         $cmp->set_safe($next);
  39         $cmp->set_safe($pages);
  40
  41
  42         return $code;
  43     }
  44
  45 }