JContext.class.php

Go to the documentation of this file.

<?php
include_once("core/system/JBaseObject.class.php");
include_once("core/utils/JSession.class.php");

/* Constants */
define(JCONTEXT_SESSION_VAR, "james-jcontext");
define(GLOBAL_GROUP, "GG");

class JContext extends JBaseObject
{
        var $logged;    
        var $uid;       
        var $gid;       
        var $moduleStack;       


        var $roleId;    
        var $anonymous; 
        
        function JContext()
        {
                $this->SetLogged(false);
        }
        
        function &GetInstance()
        {
                static $ob;
                
                if (! isset($ob))
                {
                        // We look if it is in session
                        if (JSession::ExistsVar(JCONTEXT_SESSION_VAR))
                        {
                                $ob = JSession::GetVar(JCONTEXT_SESSION_VAR);
                        }
                        else
                        {
                                $ob = new JContext();
                                $ob->_UpdateSession();
                        }
                        
                        // Doing that thing, we make sure that 
                        // $ob->_UpdateSession will be called just before the
                        // scripts ends its execution, and the changes made in
                        // the object will be stored in session.
                        register_shutdown_function(array(&$ob, _UpdateSession));
                }
                return $ob;
        }
        
        function _UpdateSession()
        {
                JSession::SetVar(JCONTEXT_SESSION_VAR, $this);
        }

        function IsLogged()
        {
                return $this->logged;
        }
        
        function SetLogged($logged)
        {
                $this->logged = $logged;
                if (!$logged)
                {
                        $this->uid = 0;
                        $this->gid = 0;
                        $this->moduleStack = array();
                        $this->roleid = 0;
                        $this->anonymous = false;
                }
        }
        
        function GetActiveUserId()
        {
                return $this->uid;
        }
        
        function SetActiveUserId($uid)
        {
                $this->uid = $uid;
        }

        function GetActiveGroupId()
        {
                return $this->gid;
        }
        
        function SetActiveGroupId($gid)
        {
                $this->gid = $gid;
        }

        function GetActiveModuleId()
        {
                if (count($this->modulestack) > 0)
                {
                        // We get the last element in the array
                        $value = $this->modulestack[count($this->modulestack)-1];
                        
                        // And return the moduleid
                        return $value["mid"];
                }
                else
                        return null;
        }
        
        function PushActiveModule($mid, $rmgId=0)
        {
                $value["mid"] = $mid;
                $value["rmgid"] = $rmgId;
                
                $this->modulestack[] = $value;
        }
        
        function PopActiveModule()
        {
                $value = array_pop($this->modulestack);
                
                if ($value == null)
                        return $value;
                else 
                        return $value["mid"];
        }

        function GetActiveRmgId()
        {
                if (count($this->modulestack) > 0)
                {
                        // We get the last element in the array
                        $value = $this->modulestack[count($this->modulestack)-1];
                        
                        // And return the rmgid
                        return $value["rmgid"];
                }
                else
                        return null;
        }
        
        function GetActiveRoleId()
        {
                return $this->roleid;
        }
        
        function SetActiveRoleId($rid)
        {
                $this->roleid = $rid;
        }

        function IsAnonymous()
        {
                return $this->anonymous;
        }
        
        function SetAnonymous($anon)
        {
                $this->anonymous = $anon;
        }
        
        function IsGlobalGroup()
        {
                return $this->gid == GLOBAL_GROUP;
        }       
}
?>

---