Defer render() calls in callback event handler to a later stage.

1 files changed, 18 insertions, 0 deletions

diff --git a/framework/Web/UI/ActiveControls/TActivePageAdapter.php b/framework/Web/UI/ActiveControls/TActivePageAdapter.php
index 3b386902..2df19053 100644
--- a/framework/Web/UI/ActiveControls/TActivePageAdapter.php
+++ b/framework/Web/UI/ActiveControls/TActivePageAdapter.php
@@ -58,6 +58,8 @@ class TActivePageAdapter extends TControlAdapter
 	 */

 	private $_callbackClient;

 

+	private $_controlsToRender=array();

+

 	/**

 	 * Constructor, trap errors and exception to let the callback response

 	 * handle them.

@@ -84,6 +86,18 @@ class TActivePageAdapter extends TControlAdapter
 	}

 

 	/**

+	 * Register a control for defered render() call.

+	 * @param TControl control for defered rendering

+	 * @param THtmlWriter the renderer

+	 */

+	public function registerControlToRender($control,$writer)

+	{

+		$id = $control->getUniqueID();

+		if(!isset($this->_controlsToRender[$id]))

+			$this->_controlsToRender[$id] = array($control,$writer);

+	}

+

+	/**

 	 * Trap errors and exceptions to be handled by TCallbackErrorHandler.

 	 */

 	protected function trapCallbackErrorsExceptions()

@@ -108,6 +122,10 @@ class TActivePageAdapter extends TControlAdapter
 	 */

 	protected function renderResponse($writer)

 	{

+		//renders all the defered render() calls.

+		foreach($this->_controlsToRender as $rid => $forRender)

+			$forRender[0]->render($forRender[1]);

+

 		$response = $this->getResponse();

 

 		//send response data in header