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<?php
namespace Dhtmlx\Connector;
class TreeConnector extends Connector {
protected $parent_name = 'id';
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) $item_type = "TreeDataItem";
if (!$data_type) $data_type = "TreeDataProcessor";
if (!$render_type) $render_type = "TreeRenderStrategy";
parent::__construct($res, $type, $item_type, $data_type, $render_type);
}
//parse GET scoope, all operations with incoming request must be done here
public function parse_request()
{
parent::parse_request();
if (isset($_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
*/
public function xml_start()
{
$attributes = "";
foreach ($this->attributes as $k => $v)
$attributes .= " " . $k . "='" . $v . "'";
return "<tree id='" . $this->request->get_relation() . "'" . $attributes . ">";
}
/*! renders self as xml, ending part
*/
public function xml_end()
{
$this->fill_collections();
return $this->extra_output . "</tree>";
}
}
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