BizView.php:
<?PHP
/**
* BizView class - BizView is the class that contains list of forms. View is same as html page.
*
* @package BizView
* @author rocky swen
* @copyright Copyright (c) 2005
* @access public
*/
class BizView extends MetaObject implements iSessionObject
{
protected $m_Template;
protected $m_ChildFormList = array();
protected $m_MetaChildFormList = array();
protected $m_ViewAccessFlag;
protected $m_ViewAccessControl;
protected $m_IsPopup = false;
protected $m_Height;
protected $m_Width;
protected $m_ConsoleOutput = true;
/**
* BizView::__construct(). Initialize BizView with xml array
*
* @param array $xmlArr
* @return void
*/
public function __construct(&$xmlArr)
{
global $g_BizSystem;
$this->ReadMetadata($xmlArr);
$this->ValidateAccess($this->m_ViewAccessControl); // check view access and set ViewAccessFlag
// build forms included in the view
foreach($this->m_MetaChildFormList as $form) {
$pkg_form = $this->PrefixPackage($form["FORM"]);
$formobj = $g_BizSystem->GetObjectFactory()->GetObject($pkg_form);
$formobj->SetAccessFlag($this->m_ViewAccessFlag);
$formobj->SetSubForms($form["SUBCTRLS"]);
//$formobj->SetDependency($form["DEPENDENCY"]);
$this->AddChildForm($formobj);
}
foreach($this->m_ChildFormList as $formobj)
{
$subForms = $formobj->GetSubForms();
if ($subForms) {
foreach ($subForms as $subformName) {
$this->m_ChildFormList[$subformName]->SetParentForm($formobj->m_Name);
}
}
}
}
protected function ReadMetadata(&$xmlArr)
{
$this->m_Name = $xmlArr["BIZVIEW"]["ATTRIBUTES"]["NAME"];
$this->m_ViewAccessControl = $xmlArr["BIZVIEW"]["ATTRIBUTES"]["ACCESSCONTROL"];
$this->m_Description = $xmlArr["BIZVIEW"]["ATTRIBUTES"]["DESCRIPTION"];
$this->m_Package = $xmlArr["BIZVIEW"]["ATTRIBUTES"]["PACKAGE"];
if ($this->m_Package)
$this->m_Name = $this->m_Package.".".$this->m_Name;
$this->m_Class = $xmlArr["BIZVIEW"]["ATTRIBUTES"]["CLASS"];
$this->m_Template = $xmlArr["BIZVIEW"]["ATTRIBUTES"]["TEMPLATE"];
// build ControlList
$this->ReadMetaCollection($xmlArr["BIZVIEW"]["CONTROLLIST"]["CONTROL"], $tmpList);
if (!$tmpList)
return;
foreach ($tmpList as $ctrl)
$this->m_MetaChildFormList[] = $ctrl["ATTRIBUTES"];
}
/**
* BizView::GetSessionContext() - Retrieve Session data of this object
*
* @param SessionContext $sessCtxt
* @return void
*/
public function GetSessionVars($sessCtxt)
{
}
/**
* BizView::SetSessionContext() - Save Session data of this object
*
* @param SessionContext $sessCtxt
* @return void
*/
public function SetSessionVars($sessCtxt)
{
}
public function CleanViewHistory()
{
global $g_BizSystem;
foreach($this->m_ChildFormList as $ctrl)
{
$ctrl->CleanHistoryInfo();
}
}
public function SetConsoleOutput($bConsoleOutput)
{
$this->m_ConsoleOutput = $bConsoleOutput;
}
protected function AddChildForm($ctrl)
{
$this->m_ChildFormList[$ctrl->m_Name] = $ctrl;
}
/**
* BizView::SetPopupSize() - Set the view as a popup window and set its size
*
* @param integer $w, window width
* @param integer $h, window height
* @return void
*/
public function SetPopupSize($w, $h)
{
$this->m_IsPopup = true;
$this->m_Width = $w;
$this->m_Height = $h;
}
public function SetFormMode($form="", $mode="")
{
if (!$form || !$mode)
return;
$bizForm = $this->m_ChildFormList[$form];
$bizForm->SetDisplayMode($mode);
}
/**
* BizView::ProcessRule() - Convert rule to search rule of bizform
*
* @param string $rule. It can be "[field] opr value ..." OR form.ctrl opr value
* opr can be =, >, >=, <, <=, !=. "LIKE %" SQL format is also valid rule
* @return void
*/
public function ProcessRule($form="", $rule="")
{
// convert \' to '
$addSearchRule = str_replace("\'", "'", $rule);
// case 1: form=... $rule=[field] opr value
if ($form) {
$bizForm = $this->m_ChildFormList[$form];
if ($rule) {
// set dependent search rule which is remembered in the session
$bizForm->SetFixSearchRule($addSearchRule);
}
return;
}
// case 2: form.ctrl opr value
if ($rule) {
// replace package.form.ctrl with [field]
// search for all child forms to match form name.
foreach ($this->m_ChildFormList as $bizForm)
{
$bFind = false;
$formName = $bizForm->m_Name;
while (preg_match("/$formName\.[a-zA-Z0-9_]+/i", $addSearchRule, $matches))
{
$match = $matches[0];
$ctrlName = substr($match, strlen($formName)+1);
$ctrlFieldName = $bizForm->GetControl($ctrlName)->m_BizFieldName; // not ctrl_id
$addSearchRule = str_replace($match, "[".$ctrlFieldName."]", $addSearchRule);
$bFind = true;
}
if ($bFind) {
//echo "###".$bizForm->m_Name.", ".$addSearchRule;
// set dependent search rule which is remembered in the session
$bizForm->SetFixSearchRule($addSearchRule);
}
}
}
}
/**
* BizView::Render() - Render this view.
*
* @return void
*/
public function Render()
{
$smarty = BizSystem::GetSmartyTemplate();
// todo: shoudl enforce rendering parent form before rendering subforms,
// because subform's dataobj is a objreference of the parent dataobj.
foreach ($this->m_ChildFormList as $form=>$formobj) {
$sHTML = $formobj->Render();
$controls[] = "<div id='" . $formobj->m_Name . "_container'>" . $sHTML . "</div>";
$newClntObjs .= "NewObject('" . $formobj->m_Name . "', '" . $formobj->m_jsClass . "'); ";
// set selectedRow
$newClntObjs .= "var fobj=GetObject('".$formobj->m_Name."');";
}
if ($this->m_IsPopup) {
$moveToCenter = "moveToCenter(self, ".$this->m_Width.", ".$this->m_Height.");";
$scripts = "<script>" . $newClntObjs . $moveToCenter . "</script>";
}
else
$scripts = "<script>" . $newClntObjs . "</script>";
$smarty->assign("scripts", $scripts);
$smarty->assign_by_ref("view_description", $this->m_Description);
$smarty->assign_by_ref("controls", $controls);
if ($this->m_ConsoleOutput)
$smarty->display($this->m_Template);
else
return $smarty->fetch($this->m_Template);
}
/**
* BizView::ValidateAccess - Validate the view access level 0-deny, 1-read, 2-write
*
* @param string $accessControl with format as Class.Method
* @return void
*/
protected function ValidateAccess($accessControl=null)
{
if ($accessControl == null)
return;
if (strlen($accessControl)==1) {
$permission = intval($accessControl);
}
else {
$pos = strpos($accessControl, ".");
$class = null;
$method = null;
if ($pos>0) {
$class = trim(substr($accessControl, 0, $pos));
$method = trim(substr($accessControl, $pos+1, strlen($accessControl)));
}
$permission = 2; // default write, full control
if ($class && $method)
{
global $g_BizSystem;
$classFile= $g_BizSystem->GetLibFileWithPath($class);
if (!$classFile) {
$errmsg = BizSystem::GetMessage("ERROR", "SYS_ERROR_CLASSNOTFOUND", array($class));
trigger_error($errmsg, E_USER_ERROR);
}
else {
include_once($classFile);
$obj = new $class($this->m_Name);
if (method_exists($obj, $method))
$permission = $obj->$method($this->m_Name);
}
}
}
if ($permission == 0)
{
include_once(SMARTY_DIR."/Smarty.class.php");
$smarty = new Smarty;
$smarty->assign("error_title", "Permission Denied");
$error_msg = "You do not have permission to access ".$this->m_Name;
$error_msg .= "<FORM><INPUT type=button value=\" Back \" onClick=\"history.back();\"></FORM>";
$smarty->assign("error_message", $error_msg);
$smarty->display("viewdenied.tpl");
exit;
}
$this->m_ViewAccessFlag = $permission;
return;
}
}
?>
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