<?
trigger_error("AjaxFilter is obsolete");
exit;
class AjaxFilter extends AjaxForm {
    public $dq;
    public $region=array();
    function init(){
        parent::init();
        if(isset($_GET[$this->name.'_filter'])){
            $this->data=unserialize(base64_decode($_GET[$this->name.'_filter']));
        }
    }
    function region($region){
        $this->region[]=$region;
        return $this;
    }
    function submited(){
        if(parent::submited()){
            if($this->isClicked('Clear')){
                $this->clearData();
            }

            $filter=base64_encode(serialize($this->data));
            foreach($this->region as $region){
                $this->loadRegion($region,array($this->name.'_filter'=>$filter));
            }
			return true;
        }
    }
    function useDQ($dq){
        $this->dq[]=$dq;
        $this->api->addHook('post-submit',$this,'applyHook');
        return $this;
    }
    function applyHook(){
        foreach($this->dq as $key=>$dq){
            $this->applyDQ($this->dq[$key]);
        }
    }
    function applyDQ($dq){
        // Redefine this function to apply limits to $dq.
    }
}