From 3e1e120dbfbde806bcc0331479d28ce2a0bc2dbf Mon Sep 17 00:00:00 2001
From: xue <>
Date: Mon, 9 Apr 2007 03:32:50 +0000
Subject: Added getDataChanged() to IPostBackDataHandler

---
 framework/Web/UI/WebControls/TImageButton.php | 12 ++++++++++++
 1 file changed, 12 insertions(+)

(limited to 'framework/Web/UI/WebControls/TImageButton.php')

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;
 	}
@@ -256,6 +258,16 @@ class TImageButton extends TImage implements IPostBackDataHandler, IPostBackEven
 		$this->onCommand(new TCommandEventParameter($this->getCommandName(),$this->getCommandParameter()));
 	}
 
+	/**
+	 * 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
 	 */
-- 
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