Added getDataChanged() to IPostBackDataHandler

1 files changed, 13 insertions, 1 deletions

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;

@@ -95,6 +97,16 @@ class TDropDownList extends TListControl implements IPostBackDataHandler, IValid
 	}

 

 	/**

+	 * 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.

 	 * If there is no items, it returns -1.