/**
* Executes page lifecycles for a callback request
*
* If the page is requested is not a service request
* - Execute the normal page lifecycles @see TPage::execute()
*
* If the page is requested in response to a AJAX request
* (may be a Callback request) then
* - OnInit event
* - OnLoad event
* - ** execute service **
* - OnUnload event
* - ** flush server outputs **
*
* If the page is requested in response to a valid Callback request, then
* - OnInit event
* - ** initialize the server request **
* - ** load post data from request **
* - load viewstate
* - load post data
* - OnLoad event
* - load post data (for newly created components during Load event)
* - ** raise callback event **
* - OnUnload event
* - ** flush server outputs **
*
* @see TPage::execute()
*/
public function execute()
{
//Callback life-cycle
if ($this->service->isServiceRequest()) {
if ($this->Application->getApplicationState() == TApplication::STATE_DEBUG) {
//let the callback server handle errors and exceptions
$server = $this->service->server();
set_error_handler(array($server, 'handleError'));
set_exception_handler(array($server, 'handleException'));
}
$this->onPreInit(new TEventParameter());
$this->determinePostBackMode();
$this->onInitRecursive(new TEventParameter());
$this->service->register($this);
//a valid callback request
if ($this->isCallBack()) {
$this->service->server()->initialize();
$this->service->loadCallBackPostData();
$state = $this->loadPageStateFromPersistenceMedium();
$this->loadViewState($state);
$this->loadPostData();
$this->onLoadRecursive(new TEventParameter());
$this->loadPostData();
/** raise post back data changed or not? **/
//$this->raisePostDataChangedEvents();
//$this->handlePostBackEvent();
} else {
$this->onLoadRecursive(new TEventParameter());
}
$this->service->execute();
$this->onUnloadRecursive(new TEventParameter());
$this->service->server()->flush();
} else {
//normal page execution cycle
parent::execute();
}
}
function execute()
{
if ($this->isServiceRequest()) {
$this->onPreInit(new TEventParameter());
$this->determinePostBackMode();
$this->onInitRecursive(new TEventParameter());
$this->service->setPostDataKeys($this->postDataContainerIDs);
if ($this->isCallBack()) {
$this->service->loadCallBackPostData();
try {
$state = $this->loadPageStateFromPersistenceMedium();
$this->loadViewState($state);
$this->loadPostData();
$this->onLoadRecursive(new TEventParameter());
$this->loadPostData();
$this->raisePostDataChangedEvents();
$this->handlePostBackEvent();
} catch (Exception $e) {
if ($this->Application->getApplicationState() == TApplication::STATE_DEBUG) {
trigger_error($e->getMessage());
}
}
} else {
$this->onLoadRecursive(new TEventParameter());
}
$this->registerCallbackHandler($this, $this->getCallbackCandidateDescriptions());
$this->Application->getServiceManager()->execute(TService_Callback::service);
$this->onUnloadRecursive(new TEventParameter());
} else {
parent::execute();
}
}
