View helper cycle
1 2 3 4 56 7 8 9 1011 12 13 14 1516 17 18 19 2021 22 23 24 2526 27 28 29 3031 32 33 34 3536 37 38 39 4041 42 43 44 4546 47 48 49 5051 52 53 54 5556 57 58 59 6061 62 63 64 6566 67 68 69 7071 72 73 74 7576 77 78 79 8081 82 83 84 8586 87 88 89 9091 92 93 94 9596 97 98 99 100101 102 103 104 105106 | <?php /** * @copyright 2008, IgorN * @author IgorN (progi2007@gmail.com) */ /** * * Type: helper<br> * Name: cycle<br> * Date: 05.09.2008<br> * Purpose: cycle through given values<br> * Input: * - name = name of cycle (optional) * - values = comma separated list of values to cycle, * or an array of values to cycle * (this can be left out for subsequent calls) * - reset = boolean - resets given var to true * - print = boolean - print var or not. default is true * - advance = boolean - whether or not to advance the cycle * - delimiter = the value delimiter, default is "," * - assign = boolean, assigns to template var instead of * printed. * * Examples:<br> * <pre> * $this->cycle(array('values'=>"#eeeeee,#d0d0d0d")) * $this->cycle(array('name'=>row, 'values'=>"one,two,three", 'reset'=>true)) * $this->cycle(array('name'=>row)) * </pre> * @link http://smarty.php.net/manual/en/language.function.cycle.php {cycle} * (Smarty online manual) * @author Monte Ohrt <monte at ohrt dot com> * @author credit to Mark Priatel <mpriatel@rogers.com> * @author credit to Gerard <gerard@interfold.com> * @author credit to Jason Sweat <jsweat_php@yahoo.com> * @version 1.3 * @param array * @return string|null */ class Application_Helper_View_Cycle { public $view; public function setView( Zend_View_Interface $view ) { $this->view = $view; } public function cycle( $params ) { static $cycle_vars; $name = (empty($params['name'])) ? 'default' : $params['name']; $print = (isset($params['print'])) ? (bool)$params['print'] : true; $advance = (isset($params['advance'])) ? (bool)$params['advance'] : true; $reset = (isset($params['reset'])) ? (bool)$params['reset'] : false; if (!in_array('values', array_keys($params))) { if(!isset($cycle_vars[$name]['values'])) { return; } } else { if(isset($cycle_vars[$name]['values']) && $cycle_vars[$name]['values'] != $params['values'] ) { $cycle_vars[$name]['index'] = 0; } $cycle_vars[$name]['values'] = $params['values']; } $cycle_vars[$name]['delimiter'] = (isset($params['delimiter'])) ? $params['delimiter'] : ','; if(is_array($cycle_vars[$name]['values'])) { $cycle_array = $cycle_vars[$name]['values']; } else { $cycle_array = explode($cycle_vars[$name]['delimiter'],$cycle_vars[$name]['values']); } if(!isset($cycle_vars[$name]['index']) || $reset ) { $cycle_vars[$name]['index'] = 0; } if (isset($params['assign'])) { $print = false; $this->view->assign($params['assign'], $cycle_array[$cycle_vars[$name]['index']]); } if($print) { $retval = $cycle_array[$cycle_vars[$name]['index']]; } else { $retval = null; } if($advance) { if ( $cycle_vars[$name]['index'] >= count($cycle_array) -1 ) { $cycle_vars[$name]['index'] = 0; } else { $cycle_vars[$name]['index']++; } } return $retval; } }?> |
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