From cda44920115f2aadd7c3fbe2df13cb48a2cbc0c5 Mon Sep 17 00:00:00 2001
From: "ctrlaltca@gmail.com" <>
Date: Sat, 25 Jun 2011 09:08:40 +0000
Subject: applied further "progressive rendering" patches (#235) added
 TFlushOutput component fixed THtmlarea quickstart demo

---
 framework/Web/UI/WebControls/TFlushOutput.php | 86 +++++++++++++++++++++++++++
 1 file changed, 86 insertions(+)
 create mode 100644 framework/Web/UI/WebControls/TFlushOutput.php

(limited to 'framework/Web/UI/WebControls/TFlushOutput.php')

diff --git a/framework/Web/UI/WebControls/TFlushOutput.php b/framework/Web/UI/WebControls/TFlushOutput.php
new file mode 100644
index 00000000..ab79fe0b
--- /dev/null
+++ b/framework/Web/UI/WebControls/TFlushOutput.php
@@ -0,0 +1,86 @@
+<?php
+/**
+ * TFlushOutput class file
+ *
+ * @author Berczi Gabor <gabor.berczi@devworx.hu>
+ * @link http://www.pradosoft.com/
+ * @license http://www.pradosoft.com/license/
+ * @version $Id: TFlushOutput.php $
+ * @package System.Web.UI.WebControls
+ */
+
+/**
+ * TFlushOutput class.
+ *
+ * TFlushOutput enables forced flushing of the current output buffer
+ * at (a) certain point(s) in the page, after rendering of all previous
+ * controls has been completed.
+ *
+ * To use TFlushOutput, simply place it in a template where you want
+ * the have the output buffered between the start of the page or the
+ * last TFlushOutput to be sent to the client immediately
+ * <code>
+ * <com:TFlushOutput />
+ * </code>
+ *
+ * You can specify whether you want to keep buffering of the output 
+ * (if it was enabled) till the next occourence of a <com: TFlushOutput />
+ * or the end of the page rendering, or stop buffering, by using the 
+ * {@link setContinueBuffering ContinueBuffering}.
+ *
+ * @author Berczi Gabor <gabor.berczi@devworx.hu>
+ * @version $Id: TFlushOutput.php  $
+ * @package System.Web.UI.WebControls
+ * @since 3.1
+ */
+class TFlushOutput extends TControl 
+{
+	/**
+	 * @var boolean whether to continue buffering of output
+	 */
+	private $_continueBuffering=true;
+
+
+	/**
+	 * Constructor.
+	 */
+	public function __construct()
+	{
+		parent::__construct();
+		$this->EnableViewState = false;
+	}
+
+	/**
+	 * @return Tells whether buffering of output can continue after this point
+	 */
+	public function getContinueBuffering()
+	{
+		return $this->_continueBuffering;
+	}
+
+	/**
+	 * @param boolean sets whether buffering of output can continue after this point
+	 */
+	public function setContinueBuffering($value)
+	{
+		$this->_continueBuffering = TPropertyValue::ensureBoolean($value);
+	}
+
+	/**
+	 * Flushes the output of all completely rendered controls to the client.
+	 * @param THtmlWriter writer for the rendering purpose
+	 */
+	public function render($writer)
+	{
+$writer->write('<!-- flush -->');
+		// ajax responses can't be parsed by the client side before loaded and returned completely, 
+		// so don't bother with flushing output somewhere mid-page if refreshing in a callback
+		if (!$this->Page->IsCallback)
+		{
+			$this->Page->flushWriter();
+//			$this->Application->flushOutput($this->ContinueBuffering);
+		}
+	}
+}
+
+?>
\ No newline at end of file
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