From 2a940b0f6ce13cb612d3db585aaaf3d49b95885a Mon Sep 17 00:00:00 2001
From: xue <>
Date: Mon, 19 Dec 2005 22:39:52 +0000
Subject: Added detachEventHandler.

---
 framework/TComponent.php | 23 +++++++++++++++++++++++
 1 file changed, 23 insertions(+)

(limited to 'framework')

diff --git a/framework/TComponent.php b/framework/TComponent.php
index 1a4dfe6e..0282be3a 100644
--- a/framework/TComponent.php
+++ b/framework/TComponent.php
@@ -317,6 +317,29 @@ class TComponent
 		$this->getEventHandlers($name)->add($handler);
 	}
 
+	/**
+	 * Detaches an existing event handler.
+	 * This method is the opposite of {@link attachEventHandler}.
+	 * @param string event name
+	 * @param string callback the event handler to be removed
+	 * @return boolean if the removal is successful
+	 */
+	public function detachEventHandler($name,$handler)
+	{
+		if($this->hasEventHandler($name))
+		{
+			try
+			{
+				$this->getEventHandlers($name)->remove($handler);
+				return true;
+			}
+			catch(Exception $e)
+			{
+			}
+		}
+		return false;
+	}
+
 	/**
 	 * Raises an event.
 	 * This method represents the happening of an event and will
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