<?php
/* 
    Last change in version: 2.1 Alpha 1
#########################################################################################
#    ADbNewsSender 2 									#
#    Copyright (C) 2010 Florian Grannemann (E-mail: hide@address.com)  		#
#    Website: http://adbnewssender.sf.net						#
#	                								#
#    This program is free software: you can redistribute it and/or modify		#
#    it under the terms of the GNU General Public License as published by		#
#    the Free Software Foundation, either version 3 of the License, or			#
#    any later version.									#
#											#
#    This program is distributed in the hope that it will be useful,			#
#    but WITHOUT ANY WARRANTY; without even the implied warranty of			#
#    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the			#
#    GNU General Public License for more details.					#
#											#
#    You should have received a copy of the GNU General Public License			#
#    along with this program.  If not, see http://www.gnu.org/licenses/			#
#########################################################################################
	
*/
/*
This file defines the session handler for the admin area
	
*/
//session_start() has to be called before creating an object
//autogenerated session key names:
//general global keys: $keyname
//general moduleeeee specific keys $modulename.$KeyNameSeperator.$keyname
//global nl specific keys:  $NLID.$KeyNameSeperator.$keyname
//moduleeee and nl specific keys: $NLID.$KeyNameSeperator.$moduletype.$KeyNameSeperator.$modulenumber.$KeyNameSeperator.$keyname
class ADBNS_SessionHandler{

    private $NLIDKeyName="";
    private $CurrentModuleTypeKeyName="";
    private $CurrentModuleNrKeyName="";
    private $KeyNameSeperator="";

    function setKey($name, $value)
    {
	$_SESSION[$name]=$value;
    }
    function getKeyValue($name)
    {
	return $_SESSION[$name];
    }
    function removeKey($name)
    {
	unset($_SESSION[$name]);
    }
    function setCurrentModuleType($type)
    {
	$this->setKey($this->CurrentModuleTypeKeyName,$type);
    }
    function getCurrentModuleType()
    {
	return $this->getKeyValue($this->CurrentModuleTypeKeyName);
    }

    function setCurrentModuleNumber($number)
    {
	$this->setKey($this->CurrentModuleNrKeyName,intval($number));
    }
    function getCurrentModuleNumber()
    {
	return intval($this->getKeyValue($this->CurrentModuleNrKeyName));
    }

    function getCurrentModule($seperator="|")
    {
	
	return $this->getKeyValue($this->CurrentModuleTypeKeyName).$seperator.intval($this->getKeyValue($this->CurrentModuleNrKeyName));
    }
    

    function setModuleKey($name, $value)
    {
	$curModule=$this->getCurrentModule($this->KeyNameSeperator);
	if($curModule==$this->KeyNameSeperator)
	{
	    user_error(__CLASS__.": ERROR: The current module is not stored in SESSION! (In method: <b>".__METHOD__."</b>)",E_USER_ERROR);
	}
	$this->setKey($curModule.$this->KeyNameSeperator.$name,$value);
    }
    function getModuleKeyValue($name)
    {
	
	return $this->getKeyValue($this->getCurrentModule($this->KeyNameSeperator).$this->KeyNameSeperator.$name);
    }
    function removeModuleKey($name)
    {
	$this->removeKey($this->getCurrentModule($this->KeyNameSeperator).$this->KeyNameSeperator.$name);
    }
    function setNLID($nlID)
    {
	$this->setKey($this->NLIDKeyName,intval($nlID));
    }
    function getNLID()
    {
	return intval($this->getKeyValue($this->NLIDKeyName));
    }

    function setNLKey($name, $value)
    {
	$nlID=$this->getNLID();
	if(!$nlID)
	{
	    user_error(__CLASS__.": ERROR: Newsletter ID is not stored in SESSION! (In method: <b>".__METHOD__."</b>)",E_USER_ERROR);
	}
	$this->setKey($this->getNLID().$this->KeyNameSeperator.$name,$value);
    }

    function getNLKeyValue($name)
    {
	
	return $this->getKeyValue($this->getNLID().$this->KeyNameSeperator.$name);
    }

    function removeNLKey($name)
    {
	$this->removeKey($this->getNLID().$this->KeyNameSeperator.$name);
    }

    function setNLModuleKey($name, $value)
    {
	$curModule=$this->getCurrentModule($this->KeyNameSeperator);
	if($curModule==$this->KeyNameSeperator)
	{
	    user_error(__CLASS__.": ERROR: The current module is not stored in SESSION! (In method: <b>".__METHOD__."</b>)",E_USER_ERROR);
	}
	$this->setNLKey($curModule.$this->KeyNameSeperator.$name, $value);
    }
    function getNLModuleKeyValue($name)
    {
	
	return $this->getNLKeyValue($this->getCurrentModule($this->KeyNameSeperator).$this->KeyNameSeperator.$name);
    }
    function removeNLModuleKey($name)
    {
	$this->removeNLKey($this->getCurrentModule($this->KeyNameSeperator).$this->KeyNameSeperator.$name);
    }
    
    function __construct($nlIDKeyName="CurrentNL",$currentModuleTypeKeyName="currentModuleType", $currentModuleNrKeyName="currentModuleNr", $keyNameSeperator="_")
    {
	$this->NLIDKeyName=$nlIDKeyName;
	$this->CurrentModuleNrKeyName=$currentModuleNrKeyName;
	$this->CurrentModuleTypeKeyName=$currentModuleTypeKeyName;
	$this->KeyNameSeperator=$keyNameSeperator;
    }
    
  
   
}