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authorctrlaltca@gmail.com <>2011-06-25 09:08:40 +0000
committerctrlaltca@gmail.com <>2011-06-25 09:08:40 +0000
commitcda44920115f2aadd7c3fbe2df13cb48a2cbc0c5 (patch)
treeb367d872dcf3cec40497f4d6755ce7bb47312058 /framework/Web/UI/WebControls/TFlushOutput.php
parent87e7366d4d9d3de79772b851f8772a4011d6227d (diff)
applied further "progressive rendering" patches (#235)
added TFlushOutput component fixed THtmlarea quickstart demo
Diffstat (limited to 'framework/Web/UI/WebControls/TFlushOutput.php')
-rw-r--r--framework/Web/UI/WebControls/TFlushOutput.php86
1 files changed, 86 insertions, 0 deletions
diff --git a/framework/Web/UI/WebControls/TFlushOutput.php b/framework/Web/UI/WebControls/TFlushOutput.php
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+++ b/framework/Web/UI/WebControls/TFlushOutput.php
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+<?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