BizController.php:
<?PHP
ob_start();
include_once("sysheader.inc");
$bizCtrller = new BizController();
$bizCtrller->DispatchRequest();
/**
* BizController class - BizController is the class that dispatches client requests to proper objects
*
* @package BizController
* @author
* @copyright Copyright (c) 2005
* @access public
*/
class BizController
{
private $m_UserTimeoutView = "shared.UserTimeoutView";
private $m_AccessDeniedView = "shared.AccessDeniedView";
/**
* BizController::DispatchRequest() - dispatches client requests to proper objects, print the returned html text.
*
* @return void
*/
public function DispatchRequest()
{
$profile = $this->GetUserProfile();
if ($this->CheckSessionTimeout($profile)) // show timeout view
{
global $g_BizSystem;
$g_BizSystem->GetSessionContext()->Destroy();
return $this->RenderView($this->m_UserTimeoutView);
}
// ?view=...&form=...&rule=...&mode=...&...
// ?vw=...&fm=...&rl=...&md=...&...
$getKeys = array_keys($_GET);
if ($getKeys[0] == "view") {
$form = isset($_GET['form']) ? $_GET['form'] : "";
$rule = isset($_GET['rule']) ? $_GET['rule'] : "";
$viewName = $_GET['view'];
if (!$this->CheckViewAccess($viewName, $profile)) //access denied error
return $this->RenderView($this->m_AccessDeniedView);
return $this->RenderView($viewName, $form, $rule);
}
$retval = $this->Invoke();
print($retval);
exit();
}
// get user profile array. "USERID", "ROLE" ...
private function GetUserProfile()
{
global $g_BizSystem;
return $g_BizSystem->GetUserProfile();
}
// check if session timed out. true - session timed out, false - session alive
private function CheckSessionTimeout($profile)
{
global $g_BizSystem;
if (isset($profile["USERID"]) && $profile["USERID"] != "")
return $g_BizSystem->GetSessionContext()->IsTimeout();
return false;
}
// role-base view access control
private function CheckViewAccess($viewName, $profile)
{
// load accessService
global $g_BizSystem;
$svcobj = $g_BizSystem->GetService("accessService");
$role = isset($profile["ROLE"]) ? $profile["ROLE"] : null;
return $svcobj->AllowViewAccess($viewName, $role);
}
/**
* BizController::RenderView() - render a bizview
*
* @param string $viewName name of bizview
* @param string $rule the search rule of a bizform who is not depent on (a subctrl of) another bizform
* @return void
*/
public function RenderView($viewName, $form="", $rule="", $hist="")
{
global $g_BizSystem;
// if previous view is different with the to-be-loaded view, clear the previous session objects
$prevView = $g_BizSystem->GetCurrentViewName();
//if ($viewName != $prevView) {
if ($viewName != "__DynPopup") { // keep view session when there's popup
$g_BizSystem->GetSessionContext()->ClearSessionObjects();
$g_BizSystem->SetCurrentViewName($viewName);
}
$viewobj = $g_BizSystem->GetObjectFactory()->GetObject($viewName);
if($viewobj) {
if ($hist == "N") // clean view history
$viewobj->CleanViewHistory();
$viewobj->ProcessRule($form, $rule);
if ($_GET['mode']) // can specify mode of form
$viewobj->SetFormMode($form, $_GET['mode']);
$viewobj->Render();
}
}
/**
* BizController::Invoke() - render a bizview
*
* @return HTML text
*/
protected function Invoke()
{
$func = (isset($_REQUEST['F']) ? $_REQUEST['F'] : "");
$arg_list = array();
$i = 0;
if ($func != "") {
eval("\$P$i = (isset(\$_REQUEST['P$i']) ? \$_REQUEST['P$i']:'');");
$Ptmp = "P". $i;
while ($$Ptmp!="") {
$parm = $$Ptmp;
$parm = substr($parm, 1, strlen($parm)-2);
$arg_list[] = $parm;
$i++;
eval("\$P$i = (isset(\$_REQUEST['P$i']) ? \$_REQUEST['P$i']:'');");
$Ptmp = "P". $i;
}
}
else
return;
global $g_BizSystem;
if ($func != "RPCInvoke" && $func != "Invoke") {
trigger_error("$func is not a valid invocation", E_USER_ERROR);
return;
}
if ($func == "RPCInvoke")
$g_BizSystem->GetClientProxy()->SetRPCFlag(true);
// save formdata to ClientProxy
$formdata = (isset($_REQUEST['__FormData']) ? $_REQUEST['__FormData'] : "");
$formdata = substr($formdata, 1, strlen($formdata)-2);
if ($formdata != "") {
$g_BizSystem->GetClientProxy()->SetFormInputData($formdata);
}
// invoke the function
$num_arg = count($arg_list);
if ($num_arg<2) {
$errmsg = BizSystem::GetMessage("ERROR", "SYS_ERROR_RPCARG", array($class));
trigger_error($errmsg, E_USER_ERROR);
}
else
{
$objName = $arg_list[0];
$methodName = $arg_list[1];
array_shift($arg_list); array_shift($arg_list); // remove the first 2 args
$obj= $g_BizSystem->GetObjectFactory()->GetObject($objName);
if ($obj)
{
if (method_exists($obj, $methodName)) {
$rt_val = call_user_func_array(array(&$obj, $methodName), $arg_list);
}
else {
$errmsg = BizSystem::GetMessage("ERROR", "SYS_ERROR_METHODNOTFOUND", array($objName, $methodName));
trigger_error($errmsg, E_USER_ERROR);
}
}
else {
$errmsg = BizSystem::GetMessage("ERROR", "SYS_ERROR_CLASSNOTFOUND", array($objName));
trigger_error($errmsg, E_USER_ERROR);
}
return $rt_val;
}
}
}
?>
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