From 9af56fd93ed071d86f14296cec618073f6c0941a Mon Sep 17 00:00:00 2001
From: wei <>
Date: Sat, 23 Sep 2006 01:08:19 +0000
Subject: Fixed #383

---
 framework/Web/UI/ActiveControls/TActiveListBox.php | 25 ++++++++++++++++++++++
 1 file changed, 25 insertions(+)

(limited to 'framework/Web/UI/ActiveControls/TActiveListBox.php')

diff --git a/framework/Web/UI/ActiveControls/TActiveListBox.php b/framework/Web/UI/ActiveControls/TActiveListBox.php
index 0620e734..e433fa09 100644
--- a/framework/Web/UI/ActiveControls/TActiveListBox.php
+++ b/framework/Web/UI/ActiveControls/TActiveListBox.php
@@ -13,6 +13,8 @@
 /**
  * TActiveListBox class.
  *
+ * List items can be added dynamically during a callback request.
+ *
  * @author Wei Zhuo <weizhuo[at]gmail[dot]com>
  * @version $Id$
  * @package System.Web.UI.ActiveControls
@@ -40,6 +42,20 @@ class TActiveListBox extends TListBox implements IActiveControl, ICallbackEventH
 		return $this->getAdapter()->getBaseActiveControl();
 	}
 
+	/**
+	 * Creates a collection object to hold list items. A specialized
+	 * TActiveListItemCollection is created to allow the drop down list options
+	 * to be added.
+	 * This method may be overriden to create a customized collection.
+	 * @return TActiveListItemCollection the collection object
+	 */
+	protected function createListItemCollection()
+	{
+		$collection  = new TActiveListItemCollection;
+		$collection->setControl($this);
+		return $collection;
+	}
+
 	/**
 	 * Javascript client class for this control.
 	 * This method overrides the parent implementation.
@@ -95,6 +111,15 @@ class TActiveListBox extends TListBox implements IActiveControl, ICallbackEventH
 	{
 		$this->raiseEvent('OnCallback', $this, $param);
 	}
+
+	/**
+	 * Updates the client-side options if the item list has changed after the OnLoad event.
+	 */
+	public function onPreRender($param)
+	{
+		parent::onPreRender($param);
+		$this->getAdapter()->updateListItems();
+	}
 }
 
 ?>
\ No newline at end of file
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