File indexing completed on 2024-12-22 05:37:13

 <?php
 /**
  * Zend Framework
  *
  * LICENSE
  *
  * This source file is subject to the new BSD license that is bundled
  * with this package in the file LICENSE.txt.
  * It is also available through the world-wide-web at this URL:
  * http://framework.zend.com/license/new-bsd
  * If you did not receive a copy of the license and are unable to
  * obtain it through the world-wide-web, please send an email
  * to license@zend.com so we can send you a copy immediately.
  *
  * @category   Zend
  * @package    Zend_View
  * @subpackage Helper
  * @copyright  Copyright (c) 2005-2015 Zend Technologies USA Inc. (http://www.zend.com)
  * @version    $Id$
  * @license    http://framework.zend.com/license/new-bsd     New BSD License
  */
 
 /**
  * Helper for alternating between set of values
  *
  * @package    Zend_View
  * @subpackage Helper
  * @copyright  Copyright (c) 2005-2015 Zend Technologies USA Inc. (http://www.zend.com)
  * @license    http://framework.zend.com/license/new-bsd     New BSD License
  */
 class Zend_View_Helper_Cycle implements Iterator
 {
 
     /**
      * Default name
      * @var string
      */
     const DEFAULT_NAME = 'default';
 
     /**
      * Pointers
      *
      * @var array
      */
     protected $_pointers = array(self::DEFAULT_NAME =>-1) ;
 
     /**
      * Array of values
      *
      * @var array
      */
     protected $_data = array(self::DEFAULT_NAME=>array());
 
     /**
      * Actual name of cycle
      *
      * @var string
      */
     protected $_name = self::DEFAULT_NAME;
 
     /**
      * Add elements to alternate
      *
      * @param array $data
      * @param string $name
      * @return Zend_View_Helper_Cycle
      */
     public function cycle(array $data = array(), $name = self::DEFAULT_NAME)
     {
         if(!empty($data))
            $this->_data[$name] = $data;
 
         $this->setName($name);
         return $this;
     }
 
     /**
      * Add elements to alternate
      *
      * @param array $data
      * @param string $name
      * @return Zend_View_Helper_Cycle
      */
     public function assign(Array $data , $name = self::DEFAULT_NAME)
     {
         $this->setName($name);
         $this->_data[$name] = $data;
         $this->rewind();
         return $this;
     }
 
     /**
      * Sets actual name of cycle
      *
      * @param string $name
      * @return Zend_View_Helper_Cycle
      */
     public function setName($name = self::DEFAULT_NAME)
     {
        $this->_name = $name;
 
        if(!isset($this->_data[$this->_name]))
          $this->_data[$this->_name] = array();
 
        if(!isset($this->_pointers[$this->_name]))
          $this->rewind();
 
        return $this;
     }
 
     /**
      * Gets actual name of cycle
      *
      * @return string
      */
     public function getName()
     {
         return $this->_name;
     }
 
 
     /**
      * Return all elements
      *
      * @return array
      */
     public function getAll()
     {
         return $this->_data[$this->_name];
     }
 
     /**
      * Turn helper into string
      *
      * @return string
      */
     public function toString()
     {
         return (string) $this->_data[$this->_name][$this->key()];
     }
 
     /**
      * Cast to string
      *
      * @return string
      */
     public function __toString()
     {
         return $this->toString();
     }
 
     /**
      * Move to next value
      *
      * @return Zend_View_Helper_Cycle
      */
     public function next()
     {
         $count = count($this->_data[$this->_name]);
         if ($this->_pointers[$this->_name] == ($count - 1))
             $this->_pointers[$this->_name] = 0;
         else
             $this->_pointers[$this->_name] = ++$this->_pointers[$this->_name];
         return $this;
     }
 
     /**
      * Move to previous value
      *
      * @return Zend_View_Helper_Cycle
      */
     public function prev()
     {
         $count = count($this->_data[$this->_name]);
         if ($this->_pointers[$this->_name] <= 0)
             $this->_pointers[$this->_name] = $count - 1;
         else
             $this->_pointers[$this->_name] = --$this->_pointers[$this->_name];
         return $this;
     }
 
     /**
      * Return iteration number
      *
      * @return int
      */
     public function key()
     {
         if ($this->_pointers[$this->_name] < 0)
             return 0;
         else
             return $this->_pointers[$this->_name];
     }
 
     /**
      * Rewind pointer
      *
      * @return Zend_View_Helper_Cycle
      */
     public function rewind()
     {
         $this->_pointers[$this->_name] = -1;
         return $this;
     }
 
     /**
      * Check if element is valid
      *
      * @return bool
      */
     public function valid()
     {
         return isset($this->_data[$this->_name][$this->key()]);
     }
 
     /**
      * Return  current element
      *
      * @return mixed
      */
     public function current()
     {
         return $this->_data[$this->_name][$this->key()];
     }
 }