<?php
/* comments & extra-whitespaces have been removed by jBuildTools*/
/**
* @package     jelix
* @subpackage  forms
* @author      Laurent Jouanneau
* @contributor Dominique Papin, Julien Issler
* @copyright   2006-2010 Laurent Jouanneau
* @copyright   2008 Dominique Papin
* @copyright   2010 Julien Issler
* @link        http://www.jelix.org
* @licence     http://www.gnu.org/licenses/lgpl.html GNU Lesser General Public Licence, see LICENCE file
*/
interface jIFormsDatasource{
	public function getData($form);
	public function getLabel($key);
}
interface jIFormsDatasource2 extends jIFormsDatasource{
	public function hasGroupedData();
	public function setGroupBy($group);
	public function getLabel2($key,$form);
}
class jFormsStaticDatasource implements jIFormsDatasource2{
	public $data=array();
	protected $grouped=false;
	public function getData($form){
		return $this->data;
	}
	public function getLabel2($key,$form){
		return $this->getLabel($key);
	}
	public function getLabel($key){
		if($this->grouped){
			foreach($this->data as $group=>$data){
				if(isset($data[$key]))
					return $data[$key];
			}
		}
		elseif(isset($this->data[$key]))
			return $this->data[$key];
		return null;
	}
	public function hasGroupedData(){
		return $this->grouped;
	}
	public function setGroupBy($group){
		$this->grouped=$group;
	}
}
class jFormsDaoDatasource implements jIFormsDatasource2{
	protected $selector;
	protected $method;
	protected $labelProperty=array();
	protected $labelSeparator;
	public $labelMethod='get';
	protected $keyProperty;
	protected $profile;
	protected $criteria=null;
	protected $criteriaFrom=null;
	protected $dao=null;
	protected $groupeBy='';
	function __construct($selector,$method,$label,$key,$profile='',$criteria=null,$criteriaFrom=null,$labelSeparator=''){
		$this->selector=$selector;
		$this->profile=$profile;
		$this->method=$method;
		$this->labelProperty=preg_split('/[\s,]+/',$label);
		$this->labelSeparator=$labelSeparator;
		if($criteria!==null)
			$this->criteria=preg_split('/[\s,]+/',$criteria);
		if($criteriaFrom!==null)
			$this->criteriaFrom=preg_split('/[\s,]+/',$criteriaFrom);
		if($key==''){
			$rec=jDao::createRecord($this->selector,$this->profile);
			$pfields=$rec->getPrimaryKeyNames();
			$key=$pfields[0];
		}
		$this->keyProperty=$key;
	}
	public function getData($form){
		if($this->dao===null)
			$this->dao=jDao::get($this->selector,$this->profile);
		if($this->criteria!==null){
			$found=call_user_func_array(array($this->dao,$this->method),$this->criteria);
		}else if($this->criteriaFrom!==null){
			$args=array();
			foreach((array)$this->criteriaFrom as $criteria){
			array_push($args,$form->getData($criteria));
			}
			$found=call_user_func_array(array($this->dao,$this->method),$args);
		}else{
			$found=$this->dao->{$this->method}();
		}
		$result=array();
		foreach($found as $obj){
			$label=$this->buildLabel($obj);
			$value=$obj->{$this->keyProperty};
			if($this->groupeBy){
				$group=(string)$obj->{$this->groupeBy};
				if(!isset($result[$group]))
					$result[$group]=array();
				$result[$group][$value]=$label;
			}
			else{
				$result[$value]=$label;
			}
		}
		return $result;
	}
	public function getLabel($key){
		throw new Exception("should not be called");
	}
	public function getLabel2($key,$form){
		if($this->dao===null)
			$this->dao=jDao::get($this->selector,$this->profile);
		$method=$this->labelMethod;
		if($this->criteria!==null||$this->criteriaFrom!==null){
			$countPKeys=count($this->dao->getPrimaryKeyNames());
			if($this->criteria!==null){
				$values=$this->criteria;
				array_unshift($values,$key);
			}
			else if($this->criteriaFrom!==null){
				$values=array($key);
				foreach((array)$this->criteriaFrom as $criteria){
					array_push($values,$form->getData($criteria));
				}
			}
			if($method=='get'){
				while(count($values)!=$countPKeys){
					array_pop($values);
				}
			}
			$rec=call_user_func_array(array($this->dao,$method),$values);
		}
		else{
			$rec=$this->dao->{$method}($key);
		}
		if($rec){
			return $this->buildLabel($rec);
		}
		else{
			return null;
		}
	}
	protected function buildLabel($rec){
		$label='';
		foreach((array)$this->labelProperty as $property){
			if((string)$rec->{$property}!=='')
				$label.=$rec->{$property}.$this->labelSeparator;
		}
		if($this->labelSeparator!='')
			$label=substr($label,0,-strlen($this->labelSeparator));
		return $label;
	}
	public function getDependentControls(){
		return $this->criteriaFrom;
	}
	public function hasGroupedData(){
		return $this->groupeBy;
	}
	public function setGroupBy($group){
		$this->groupeBy=$group;
	}
}