From dd028bec3822d1d9c28c35d599d687e038c7705f Mon Sep 17 00:00:00 2001
From: wei <>
Date: Thu, 4 Jan 2007 11:23:26 +0000
Subject: Add chat demo and tutorial.

---
 framework/Web/UI/ActiveControls/TCallbackClientScript.php | 9 +++++++++
 framework/Web/UI/TPage.php                                | 5 ++++-
 2 files changed, 13 insertions(+), 1 deletion(-)

(limited to 'framework/Web')

diff --git a/framework/Web/UI/ActiveControls/TCallbackClientScript.php b/framework/Web/UI/ActiveControls/TCallbackClientScript.php
index 19e395df..b10552e8 100644
--- a/framework/Web/UI/ActiveControls/TCallbackClientScript.php
+++ b/framework/Web/UI/ActiveControls/TCallbackClientScript.php
@@ -274,6 +274,15 @@ class TCallbackClientScript extends TApplicationComponent
 		$this->callClientFunction('Element.scrollTo', $element);
 	}
 
+	/**
+	 * Focus on a particular element.
+	 * @param TControl control element or element id.
+	 */
+	public function focus($element)
+	{
+		$this->callClientFunction('Prado.Element.focus', $element);
+	}
+
 	/**
 	 * Sets the style of element. The style must be a key-value array where the
 	 * key is the style property and the value is the style value.
diff --git a/framework/Web/UI/TPage.php b/framework/Web/UI/TPage.php
index dc81ccbb..53c9b03f 100644
--- a/framework/Web/UI/TPage.php
+++ b/framework/Web/UI/TPage.php
@@ -340,7 +340,10 @@ class TPage extends TTemplateControl
 	 */
 	public function getCallbackClient()
 	{
-		return $this->getAdapter()->getCallbackClientHandler();
+		if($this->getAdapter() !== null)
+			return $this->getAdapter()->getCallbackClientHandler();
+		else
+			return new TCallbackClientScript();
 	}
 
 	/**
-- 
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