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<?php
/**
* TComponent, TPropertyValue classes
*
* @author Qiang Xue <qiang.xue@gmail.com>
*
* Global Events, intra-object events, Class behaviors, expanded behaviors
* @author Brad Anderson <javalizard@mac.com>
*
* @link http://www.pradosoft.com/
* @copyright Copyright © 2005-2014 PradoSoft
* @license http://www.pradosoft.com/license/
* @package System
*/
/**
* TEnumerable class.
* TEnumerable is the base class for all enumerable types.
* To define an enumerable type, extend TEnumberable and define string constants.
* Each constant represents an enumerable value.
* The constant name must be the same as the constant value.
* For example,
* <code>
* class TTextAlign extends TEnumerable
* {
* const Left='Left';
* const Right='Right';
* }
* </code>
* Then, one can use the enumerable values such as TTextAlign::Left and
* TTextAlign::Right.
*
* @author Qiang Xue <qiang.xue@gmail.com>
* @package System
* @since 3.0
*/
class TEnumerable implements Iterator
{
private $_enums=array();
public function __construct() {
$reflection=new ReflectionClass($this);
$this->_enums=$reflection->getConstants();
}
public function current() {
return current($this->_enums);
}
public function key() {
return key($this->_enums);
}
public function next() {
return next($this->_enums);
}
public function rewind() {
reset($this->_enums);
}
public function valid() {
return $this->current()!==false;
}
}
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