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Diffstat (limited to 'framework/Web/UI/ActiveControls/TViewStateDiff.php')
| -rw-r--r-- | framework/Web/UI/ActiveControls/TViewStateDiff.php | 51 |
1 files changed, 51 insertions, 0 deletions
diff --git a/framework/Web/UI/ActiveControls/TViewStateDiff.php b/framework/Web/UI/ActiveControls/TViewStateDiff.php new file mode 100644 index 00000000..a5b229eb --- /dev/null +++ b/framework/Web/UI/ActiveControls/TViewStateDiff.php @@ -0,0 +1,51 @@ +<?php +/** + * TActiveControlAdapter and TCallbackPageStateTracker class file. + * + * @author Wei Zhuo <weizhuo[at]gamil[dot]com> + * @link http://www.pradosoft.com/ + * @copyright Copyright © 2005-2014 PradoSoft + * @license http://www.pradosoft.com/license/ + * @package System.Web.UI.ActiveControls + */ + +/** + * Calculates the viewstate changes during the request. + * + * @author Wei Zhuo <weizhuo[at]gmail[dot]com> + * @package System.Web.UI.ActiveControls + * @since 3.1 + */ +abstract class TViewStateDiff +{ + /** + * @var mixed updated viewstate + */ + protected $_new; + /** + * @var mixed viewstate value at the begining of the request. + */ + protected $_old; + /** + * @var object null value. + */ + protected $_null; + + /** + * Constructor. + * @param mixed updated viewstate value. + * @param mixed viewstate value at the begining of the request. + * @param object representing the null value. + */ + public function __construct($new, $old, $null) + { + $this->_new = $new; + $this->_old = $old; + $this->_null = $null; + } + + /** + * @return mixed view state changes, nullObject if no difference. + */ + public abstract function getDifference(); +}
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