Added TOutputCache.CachingPostBack

1 files changed, 22 insertions, 1 deletions

diff --git a/framework/Web/UI/WebControls/TOutputCache.php b/framework/Web/UI/WebControls/TOutputCache.php
index 5e97a5d9..cb46b2f5 100644
--- a/framework/Web/UI/WebControls/TOutputCache.php
+++ b/framework/Web/UI/WebControls/TOutputCache.php
@@ -83,6 +83,7 @@ class TOutputCache extends TControl implements INamingContainer
 	private $_varyByParam='';

 	private $_keyPrefix='';

 	private $_varyBySession=false;

+	private $_cachePostBack=false;

 

 	/**

 	 * Returns a value indicating whether body contents are allowed for this control.

@@ -101,7 +102,7 @@ class TOutputCache extends TControl implements INamingContainer
 		if(!$this->_cacheChecked)

 		{

 			$this->_cacheChecked=true;

-			if(!$this->getPage()->getIsPostBack() && $this->_duration>0)

+			if($this->_duration>0 && ($this->_cachePostBack || !$this->getPage()->getIsPostBack()))

 			{

 				if($this->_cacheModuleID!=='')

 				{

@@ -405,6 +406,26 @@ class TOutputCache extends TControl implements INamingContainer
 	}

 

 	/**

+	 * @return boolean whether cached output will be used on postback requests. Defaults to false.

+	 */

+	public function getCachingPostBack()

+	{

+		return $this->_cachePostBack;

+	}

+

+	/**

+	 * Sets a value indicating whether cached output will be used on postback requests.

+	 * By default, this is disabled. Be very cautious when enabling it.

+	 * If the cached content including interactive user controls such as

+	 * TTextBox, TDropDownList, your page may fail to render on postbacks.

+	 * @param boolean whether cached output will be used on postback requests.

+	 */

+	public function setCachingPostBack($value)

+	{

+		$this->_cachePostBack=TPropertyValue::ensureBoolean($value);

+	}

+

+	/**

 	 * This event is raised when the output cache is checking cache dependency.

 	 * An event handler may be written to check customized dependency conditions.

 	 * The checking result should be saved by setting {@link TOutputCacheCheckDependencyEventParameter::setIsValid IsValid}