diff -r 000000000000 -r c63de9eb7045 smarty/plugins/function.cycle.php --- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/smarty/plugins/function.cycle.php Sun Mar 23 14:59:33 2008 -0400 @@ -0,0 +1,102 @@ + + * Name: cycle
+ * Date: May 3, 2002
+ * Purpose: cycle through given values
+ * 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:
+ *
+ * {cycle values="#eeeeee,#d0d0d0d"}
+ * {cycle name=row values="one,two,three" reset=true}
+ * {cycle name=row}
+ * 
+ * @link http://smarty.php.net/manual/en/language.function.cycle.php {cycle} + * (Smarty online manual) + * @author Monte Ohrt + * @author credit to Mark Priatel + * @author credit to Gerard + * @author credit to Jason Sweat + * @version 1.3 + * @param array + * @param Smarty + * @return string|null + */ +function smarty_function_cycle($params, &$smarty) +{ + 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'])) { + $smarty->trigger_error("cycle: missing 'values' parameter"); + return; + } + } else { + if(isset($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; + $smarty->assign($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; +} + +/* vim: set expandtab: */ + +?>