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<?php
namespace Dhtmlx\Connector;
class TreeDataConnector extends DataConnector {
protected $parent_name = 'parent';
public $rootId = "0";
/*! constructor
Here initilization of all Masters occurs, execution timer initialized
@param res
db connection resource
@param type
string , which hold type of database ( MySQL or Postgre ), optional, instead of short DB name, full name of DataWrapper-based class can be provided
@param item_type
name of class, which will be used for item rendering, optional, DataItem will be used by default
@param data_type
name of class which will be used for dataprocessor calls handling, optional, DataProcessor class will be used by default.
* @param render_type
* name of class which will provides data rendering
*/
public function __construct($res,$type=false,$item_type=false,$data_type=false,$render_type=false){
if (!$item_type) $item_type="Dhtmlx\\Connector\\Data\\TreeCommonDataItem";
if (!$data_type) $data_type="Dhtmlx\\Connector\\DataProcessor\\CommonDataProcessor";
if (!$render_type) $render_type="Dhtmlx\\Connector\\Output\\TreeRenderStrategy";
parent::__construct($res,$type,$item_type,$data_type,$render_type);
}
//parse GET scoope, all operations with incoming request must be done here
protected function parse_request(){
parent::parse_request();
if (isset($_GET[$this->parent_name]))
$this->request->set_relation($_GET[$this->parent_name]);
else
$this->request->set_relation($this->rootId);
$this->request->set_limit(0,0); //netralize default reaction on dyn. loading mode
}
/*! renders self as xml, starting part
*/
protected function xml_start(){
$attributes = " ";
if (!$this->rootId || $this->rootId != $this->request->get_relation())
$attributes = " parent='".$this->request->get_relation()."' ";
foreach($this->attributes as $k=>$v)
$attributes .= " ".$k."='".$v."'";
return "<data".$attributes.">";
}
}
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