Zend Framework Source Code Snippets

View helper cycle

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<?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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Snippet description

Snippet details

Created:
IgorN IgorN
2 years ago
Edited:
IgorN IgorN
2 years ago
Revision Id:
22
Edit Message:
Initial Release
Tags:
cycle
Comments:
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Views:
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History

r22

Initial Release

IgorN IgorN
2 years ago