<?php 
/*Using sanitize library*/
uses('sanitize');
/********************/
class AjaxthisComponent extends Object
{
	var $controller = true;

	function startup(&$controller){
		//Instantiation du controller parent
		$this->controller = &$controller; 
	}

	/**
	*Public : Call to controller action for initial parameters 
	**/
	function initThis($ajaxCall = null,$ajaxAction = null,$ajaxParams = array()){
		if(!empty($ajaxCall)){
			if(!empty($ajaxAction)){
				if(empty($ajaxParams)){
					 if((strtolower($this->controller->params['controller'])==strtolower($ajaxCall))&&(strtolower($this->controller->params['action'])==strtolower($ajaxAction))){
						$params = call_user_func(array(&$this->controller,$ajaxAction));
					 }
					 else{
						$params = $this->controller->requestAction('/'.$ajaxCall.'/'.$ajaxAction.'/');
					 }
				}
				else{
					 if((strtolower($this->controller->params['controller'])==strtolower($ajaxCall))&&(strtolower($this->controller->params['action'])==strtolower($ajaxAction))){
						$params = call_user_func(array(&$this->controller,$ajaxAction),$ajaxParams);
					 }
					 else{
						$params = $this->controller->requestAction('/'.$ajaxCall.'/'.$ajaxAction.'/'.base64_encode(http_build_query($ajaxParams, '', '&')));
					}
				}
			}
			else{
				if(empty($ajaxParams)){
					 if((strtolower($this->controller->params['controller'])==strtolower($ajaxCall))&&(strtolower($this->controller->params['action'])==strtolower($ajaxAction))){
						$params = call_user_func(array(&$this->controller,$ajaxCall),$ajaxParams);
					 }
					 else{
						$params = $this->controller->requestAction('/'.$ajaxCall.'/');
					 }
				}
				else{
					 if((strtolower($this->controller->params['controller'])==strtolower($ajaxCall))&&(strtolower($this->controller->params['action'])==strtolower($ajaxAction))){
						$params = call_user_func(array(&$this->controller,$ajaxCall),$ajaxParams);
					 }
					 else{
						$params = $this->controller->requestAction('/'.$ajaxCall.'/'.base64_encode(http_build_query($ajaxParams, '', '&')));
					}
				}
			}
		}
		if(!isset($params)){
			return null;
		}
		else{
			return $params;
		}
	}

	/**
	*Public : Processing ajax request and rendering
	**/
	function ajaxThis($ajaxCall=null,$ajaxAction=null,$ajaxViews=null,$ajaxParams=null){
		//Decoding values
		if(!empty($ajaxCall)){
			$decodedAjaxCall = base64_decode($ajaxCall);
		}
		else{
			$decodedAjaxCall = null;
		}
		if(!empty($ajaxAction)){
			$decodedAjaxAction = base64_decode($ajaxAction);
		}
		else{
			$decodedAjaxAction = null;
		}
		if(!empty($this->controller->data)){
			if(!empty($ajaxParams)){
				$decodedAjaxParams = $this->_decodeAjaxParams($ajaxParams);
				$decodedAjaxParams = $decodedAjaxParams + $this->controller->data;
				$ajaxParams = $this->encodeAjaxParams($decodedAjaxParams);
			}
		}
		else{
			$decodedAjaxParams = $this->_decodeAjaxParams($ajaxParams); 
		}
		$decodedAjaxViews = $this->_decodeAjaxViews($ajaxViews);
		//Processing values
		if(!empty($decodedAjaxCall)){
			if(empty($decodedAjaxParams)){
				if(empty($decodedAjaxAction)){
					if((!empty($decodedAjaxViews))&&(!is_array($decodedAjaxViews))){
						if(strtolower($this->controller->name)==strtolower($decodedAjaxCall)){
							$ajaxParams = call_user_func(array(&$this->controller, $decodedAjaxViews));
						}
						else{
							//Requesting selected action (= view name) from selected controller
							$ajaxParams = $this->controller->requestAction('/'.$decodedAjaxCall.'/'.$decodedAjaxViews.'/');
						}
					}
					else{
						if(strtolower($this->controller->name)==strtolower($decodedAjaxCall)){
							$ajaxParams = call_user_func(array(&$this->controller,$decodedAjaxCall));
						}
						else{
							//Requesting selected controller
							$ajaxParams = $this->controller->requestAction('/'.$decodedAjaxCall.'/');
						}
					}
				}
				else{
					if(strtolower($this->controller->name)==strtolower($decodedAjaxCall)){
						$ajaxParams = call_user_func(array(&$this->controller, $decodedAjaxAction));
					}
					else{
						//Requesting selected action from selected controller
						$ajaxParams = $this->controller->requestAction('/'.$decodedAjaxCall.'/'.$decodedAjaxAction.'/');
					}
				}
			}
			else{
				if(empty($decodedAjaxAction)){
					if((!empty($decodedAjaxViews))&&(!is_array($decodedAjaxViews))){
						if(strtolower($this->controller->name)==strtolower($decodedAjaxCall)){
							$ajaxParams = call_user_func(array(&$this->controller,$decodedAjaxViews),$decodedAjaxParams);
						}
						else{
							//Requesting selected action (= view name) from selected controller  with params
							$ajaxParams = $this->controller->requestAction('/'.$decodedAjaxCall.'/'.$decodedAjaxViews.'/'.$ajaxParams);
						}
					}
					else{
						if(strtolower($this->controller->name)==strtolower($decodedAjaxCall)){
							$ajaxParams = call_user_func(array(&$this->controller,$decodedAjaxCall),$decodedAjaxParams);
						}
						else{	
							//Requesting selected controller  with params
							$ajaxParams = $this->controller->requestAction('/'.$decodedAjaxCall.'/'.$ajaxParams);
						}
					}
				}
				else{
					if(strtolower($this->controller->name)==strtolower($decodedAjaxCall)){
						$ajaxParams = call_user_func(array(&$this->controller,$decodedAjaxAction),$decodedAjaxParams);
					}
					else{
						//Requesting selected action from selected controller with params
						$ajaxParams = $this->controller->requestAction('/'.$decodedAjaxCall.'/'.$decodedAjaxAction.'/'.$ajaxParams);
					}
				}
			}
		}
		else{
			if(empty($decodedAjaxParams)){
				if(empty($decodedAjaxAction)){
					if((!empty($decodedAjaxViews))&&(!is_array($decodedAjaxViews))){
						if(strtolower($this->controller->name)==strtolower($decodedAjaxViews)){
							$ajaxParams = call_user_func(array(&$this->controller,$decodedAjaxViews));
						}
						else{
							//Requesting selected action (= view name) from selected controller
							$ajaxParams = $this->controller->requestAction('/'.$decodedAjaxViews.'/');
						}
					}
				}
				else{
					if(strtolower($this->controller->name)==strtolower($decodedAjaxAction)){
						$ajaxParams = call_user_func(array(&$this->controller,$decodedAjaxAction));
					}
					else{
						//Requesting selected action from selected controller
						$ajaxParams = $this->controller->requestAction('/'.$decodedAjaxAction.'/');
					}
				}
			}
			else{
				if(empty($decodedAjaxAction)){
					if((!empty($decodedAjaxViews))&&(!is_array($decodedAjaxViews))){
						if(strtolower($this->controller->name)==strtolower($decodedAjaxViews)){
							$ajaxParams = call_user_func(array(&$this->controller,$decodedAjaxViews),$decodedAjaxParams);
						}
						else{
							//Requesting selected action (= view name) from selected controller  with params
							$ajaxParams = $this->controller->requestAction('/'.$decodedAjaxViews.'/'.$ajaxParams);
						}
					}
				}
				else{
					if(strtolower($this->controller->name)==strtolower($decodedAjaxAction)){
						$ajaxParams = call_user_func(array(&$this->controller,$decodedAjaxAction),$decodedAjaxParams);
					}
					else{
						//Requesting selected action from selected controller with params
						$ajaxParams = $this->controller->requestAction('/'.$decodedAjaxAction.'/'.$ajaxParams);
					}
				}
			}
		}
		//setting the view vars (name of the element to render and ajax parameters)
		$this->controller->set('ajaxViews',$decodedAjaxViews);
		$this->controller->set($decodedAjaxCall.$decodedAjaxAction,$ajaxParams);
		//rendering the view
		$this->controller->render('ajax','ajax');
	}

	function getAjaxParams($params = null){
		if(empty($params)){
			return null;
		}
		else{
			if(is_array($params)){
				return $params;
			}
			else{
				return ($this->_decodeAjaxParams($params));
			}
		}
	}

	function encodeAjaxParams($ajaxParams){
		return base64_encode(http_build_query($ajaxParams, '', '&'));
	}

	function _decodeAjaxViews($ajaxViews){
		$clean = new Sanitize();
		if(empty($ajaxViews)){
			return null;
		}
		else{
			$clean = new Sanitize();
			$ajaxViews = explode('&', base64_decode($ajaxViews));
			if(is_array($ajaxViews)){
				foreach($ajaxViews as &$views){
					$views = $clean->cleanValue($views);//sanitize
					if(!(strpos($views,'\\')===false)){
						$views = stripslashes($views);
					}
				}
				return $ajaxViews;
			}
			else{
				$ajaxViews = $clean->cleanValue($ajaxViews);//sanitize
				return array($ajaxViews => $ajaxViews);
			}
		}
	}

	function _decodeAjaxParams($ajaxParams){
		if(empty($ajaxParams)){
			return null;
		}
		else{
			//if ajaxParams are given
			parse_str(base64_decode($ajaxParams),$ajaxParams);
			$clean = new Sanitize();
			$clean->cleanArrayR($ajaxParams);
			return $ajaxParams;
		}
	}

	//normalize the case and sort an array values and keys 
	function _normalizeArrays($arr = array()){
		if(is_array($arr)){
			foreach($arr as &$subArr)
			if(is_array($subArr)){
				foreach($subArr as &$value){
					$value = ucwords(strtolower(trim($value)));
				}	
				$subArr = array_change_key_case($subArr, CASE_UPPER);
				ksort($subArr,SORT_STRING);
			}
		}
		return $arr;
	}

	//Remove empty values from any multidimensiannal array
	function _cleanArray($p_value){
		if (is_array ($p_value)){
			if ( count ($p_value) == 0) {
				$p_value = null;
			} else {
				foreach ($p_value as $m_key => $m_value) {
					$p_value[$m_key] = $this->_cleanArray($m_value);
					if (empty ($p_value[$m_key])) unset ($p_value[$m_key]);
				}
			}
		} else {
			if (empty ($p_value)) {
				$p_value = null;
			}
		}
		return $p_value;
	}
}
?>