Added getDataChanged() to IPostBackDataHandler

1 files changed, 17 insertions, 2 deletions

diff --git a/framework/Web/UI/WebControls/TListBox.php b/framework/Web/UI/WebControls/TListBox.php
index c49e2561..6112915f 100644
--- a/framework/Web/UI/WebControls/TListBox.php
+++ b/framework/Web/UI/WebControls/TListBox.php
@@ -38,6 +38,8 @@ Prado::using('System.Web.UI.WebControls.TListControl');
  */

 class TListBox extends TListControl implements IPostBackDataHandler, IValidatable

 {

+	private $_dataChanged=false;

+

 	/**

 	 * Adds attribute name-value pairs to renderer.

 	 * This method overrides the parent implementation with additional list box specific attributes.

@@ -99,7 +101,7 @@ class TListBox extends TListControl implements IPostBackDataHandler, IValidatabl
 				if($this->getSelectedIndex()!==$index)

 				{

 					$this->setSelectedIndex($index);

-					return true;

+					return $this->_dataChanged=true;

 				}

 				else

 					return false;

@@ -127,13 +129,16 @@ class TListBox extends TListControl implements IPostBackDataHandler, IValidatabl
 			else

 				$flag=true;

 			if($flag)

+			{

 				$this->setSelectedIndices($list);

+				$this->_dataChanged=true;

+			}

 			return $flag;

 		}

 		else if($this->getSelectedIndex()!==-1)

 		{

 			$this->clearSelection();

-			return true;

+			return $this->_dataChanged=true;

 		}

 		else

 			return false;

@@ -154,6 +159,16 @@ class TListBox extends TListControl implements IPostBackDataHandler, IValidatabl
 	}

 

 	/**

+	 * 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 this control allows multiple selection

 	 */

 	protected function getIsMultiSelect()