| 1 | <?php |
| 2 | /** |
| 3 | * Smarty plugin |
| 4 | * @package Smarty |
| 5 | * @subpackage plugins |
| 6 | */ |
| 7 | |
| 8 | |
| 9 | /** |
| 10 | * Smarty {counter} function plugin |
| 11 | * |
| 12 | * Type: function<br> |
| 13 | * Name: counter<br> |
| 14 | * Purpose: print out a counter value |
| 15 | * @link http://smarty.php.net/manual/en/language.function.counter.php {counter} |
| 16 | * (Smarty online manual) |
| 17 | * @param array parameters |
| 18 | * @param Smarty |
| 19 | * @return string|null |
| 20 | */ |
| 21 | function smarty_function_counter($params, &$smarty) |
| 22 | { |
| 23 | static $counters = array(); |
| 24 | |
| 25 | $name = (isset($params['name'])) ? $params['name'] : 'default'; |
| 26 | if (!isset($counters[$name])) { |
| 27 | $counters[$name] = array( |
| 28 | 'start'=>1, |
| 29 | 'skip'=>1, |
| 30 | 'direction'=>'up', |
| 31 | 'count'=>1 |
| 32 | ); |
| 33 | } |
| 34 | $counter =& $counters[$name]; |
| 35 | |
| 36 | if (isset($params['start'])) { |
| 37 | $counter['start'] = $counter['count'] = (int)$params['start']; |
| 38 | } |
| 39 | |
| 40 | if (!empty($params['assign'])) { |
| 41 | $counter['assign'] = $params['assign']; |
| 42 | } |
| 43 | |
| 44 | if (isset($counter['assign'])) { |
| 45 | $smarty->assign($counter['assign'], $counter['count']); |
| 46 | } |
| 47 | |
| 48 | if (isset($params['print'])) { |
| 49 | $print = (bool)$params['print']; |
| 50 | } else { |
| 51 | $print = empty($counter['assign']); |
| 52 | } |
| 53 | |
| 54 | if ($print) { |
| 55 | $retval = $counter['count']; |
| 56 | } else { |
| 57 | $retval = null; |
| 58 | } |
| 59 | |
| 60 | if (isset($params['skip'])) { |
| 61 | $counter['skip'] = $params['skip']; |
| 62 | } |
| 63 | |
| 64 | if (isset($params['direction'])) { |
| 65 | $counter['direction'] = $params['direction']; |
| 66 | } |
| 67 | |
| 68 | if ($counter['direction'] == "down") |
| 69 | $counter['count'] -= $counter['skip']; |
| 70 | else |
| 71 | $counter['count'] += $counter['skip']; |
| 72 | |
| 73 | return $retval; |
| 74 | |
| 75 | } |
| 76 | |
| 77 | /* vim: set expandtab: */ |
| 78 | |
| 79 | ?> |