Added getDataChanged() to IPostBackDataHandler

1 files changed, 13 insertions, 1 deletions

diff --git a/framework/Web/UI/WebControls/THiddenField.php b/framework/Web/UI/WebControls/THiddenField.php
index acead9f0..c206e65b 100644
--- a/framework/Web/UI/WebControls/THiddenField.php
+++ b/framework/Web/UI/WebControls/THiddenField.php
@@ -25,6 +25,8 @@
  */

 class THiddenField extends TControl implements IPostBackDataHandler, IValidatable, IDataRenderer

 {

+	private $_dataChanged=false;

+

 	/**

 	 * @return string tag name of the hidden field.

 	 */

@@ -85,11 +87,21 @@ class THiddenField extends TControl implements IPostBackDataHandler, IValidatabl
 		else

 		{

 			$this->setValue($value);

-			return true;

+			return $this->_dataChanged=true;

 		}

 	}

 

 	/**

+	 * Returns a value indicating whether postback has caused the control data change.

+	 * This method is required by the IPostBackDataHandler interface.

+	 * @return boolean whether postback has caused the control data change. False if the page is not in postback mode.

+	 */

+	public function getDataChanged()

+	{

+		return $this->_dataChanged;

+	}

+

+	/**

 	 * Returns the value to be validated.

 	 * This methid is required by IValidatable interface.

 	 * @return mixed the value of the property to be validated.