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/TDropDownList.php | 14 +++++++++++++-
 1 file changed, 13 insertions(+), 1 deletion(-)

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

diff --git a/framework/Web/UI/WebControls/TDropDownList.php b/framework/Web/UI/WebControls/TDropDownList.php
index 5bcf0f35..90668b95 100644
--- a/framework/Web/UI/WebControls/TDropDownList.php
+++ b/framework/Web/UI/WebControls/TDropDownList.php
@@ -35,6 +35,8 @@ Prado::using('System.Web.UI.WebControls.TListControl');
  */
 class TDropDownList extends TListControl implements IPostBackDataHandler, IValidatable
 {
+	private $_dataChanged=false;
+
 	/**
 	 * Adds attributes to renderer.
 	 * @param THtmlWriter the renderer
@@ -74,7 +76,7 @@ class TDropDownList extends TListControl implements IPostBackDataHandler, IValid
 			if($this->getSelectedIndex()!==$index)
 			{
 				$this->setSelectedIndex($index);
-				return true;
+				return $this->_dataChanged=true;
 			}
 		}
 		return false;
@@ -94,6 +96,16 @@ class TDropDownList extends TListControl implements IPostBackDataHandler, IValid
 		$this->onSelectedIndexChanged(null);
 	}
 
+	/**
+	 * 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 integer the index (zero-based) of the item being selected.
 	 * If none is selected, the return value is 0 meaning the first item is selected.
-- 
cgit v1.2.3