From 75a0a250cc6735d13b3b782daf0127298b37c2b9 Mon Sep 17 00:00:00 2001
From: wei <>
Date: Thu, 4 May 2006 02:02:43 +0000
Subject: Adding TCallback component.

---
 .../Web/UI/ActiveControls/TCallbackResponse.php    | 45 +++++++++++++++++++++-
 1 file changed, 43 insertions(+), 2 deletions(-)

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

diff --git a/framework/Web/UI/ActiveControls/TCallbackResponse.php b/framework/Web/UI/ActiveControls/TCallbackResponse.php
index a05c20c7..4a893b9a 100644
--- a/framework/Web/UI/ActiveControls/TCallbackResponse.php
+++ b/framework/Web/UI/ActiveControls/TCallbackResponse.php
@@ -11,9 +11,50 @@
 
 class TCallbackResponse extends THttpResponse
 {
+	private $_writers=array();
 	
+	public function createHtmlWriter($type=null)
+	{
+		$writer = new TCallbackResponseWriter();
+		$this->_writers[] = $writer;
+		if($type===null)
+			$type=$this->getHtmlWriterType();
+		return Prado::createComponent($type,$writer);
+	}
+	
+	public function flush()
+	{
+		foreach($this->_writers as $writer)
+			echo $writer->flush();
+		parent::flush();
+	}
 }
 
-
-
+class TCallbackResponseWriter extends TTextWriter
+{
+	private $_boundary;
+	
+	public function __construct()
+	{
+		$this->_boundary = sprintf('%x',crc32((string)$this));
+	}
+	
+	public function getBoundary()
+	{
+		return $this->_boundary;
+	}
+	
+	public function setBoundary($value)
+	{
+		$this->_boundary = $value;
+	}
+	
+	public function flush()
+	{
+		$content = '<!--'.$this->getBoundary().'-->';
+		$content .= parent::flush();
+		$content .= '<!--//'.$this->getBoundary().'-->';
+		return $content;
+	}
+}
 ?>
-- 
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