Added getDataChanged() to IPostBackDataHandler

1 files changed, 12 insertions, 0 deletions

diff --git a/framework/Web/UI/WebControls/TImageButton.php b/framework/Web/UI/WebControls/TImageButton.php
index 44d4c14b..90055ea0 100644
--- a/framework/Web/UI/WebControls/TImageButton.php
+++ b/framework/Web/UI/WebControls/TImageButton.php
@@ -66,6 +66,7 @@ class TImageButton extends TImage implements IPostBackDataHandler, IPostBackEven
 	 * @var integer y coordinate that the image is being clicked at

 	 */

 	private $_y=0;

+	private $_dataChanged=false;

 

 	/**

 	 * @return string tag name of the button

@@ -202,6 +203,7 @@ class TImageButton extends TImage implements IPostBackDataHandler, IPostBackEven
 			$this->_y=intval($values["{$uid}_y"]);

 			if($this->getPage()->getPostBackEventTarget()===null)

 				$this->getPage()->setPostBackEventTarget($this);

+			$this->_dataChanged=true;

 		}

 		return false;

 	}

@@ -257,6 +259,16 @@ class TImageButton extends TImage implements IPostBackDataHandler, IPostBackEven
 	}

 

 	/**

+	 * 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;

+	}

+

+	/**

 	 * @return boolean whether postback event trigger by this button will cause input validation, default is true

 	 */

 	public function getCausesValidation()