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<?php
/*
@author dhtmlx.com
@license GPL, see license.txt
*/
require_once("grid_connector.php");
/*! DataItem class for TreeGrid component
**/
class TreeGridDataItem extends GridDataItem{
private $kids=-1;//!< checked state
function __construct($data,$config,$index){
parent::__construct($data,$config,$index);
$this->im0=false;
}
/*! return id of parent record
@return
id of parent record
*/
function get_parent_id(){
return $this->data[$this->config->relation_id["name"]];
}
/*! assign image to treegrid's item
longer description
@param img
relative path to the image
*/
function set_image($img){
$this->set_cell_attribute($this->config->text[0]["name"],"image",$img);
}
/*! return count of child items
-1 if there is no info about childs
@return
count of child items
*/
function has_kids(){
return $this->kids;
}
/*! sets count of child items
@param value
count of child items
*/
function set_kids($value){
$this->kids=$value;
if ($value)
$this->set_row_attribute("xmlkids",$value);
}
}
/*! Connector for dhtmlxTreeGrid
**/
class TreeGridConnector extends GridConnector{
protected $parent_name = 'id';
protected $rootId = "0";
/*! constructor
Here initilization of all Masters occurs, execution timer initialized
@param res
db connection resource
@param type
string , which hold type of database ( MySQL or Postgre ), optional, instead of short DB name, full name of DataWrapper-based class can be provided
@param item_type
name of class, which will be used for item rendering, optional, DataItem will be used by default
@param data_type
name of class which will be used for dataprocessor calls handling, optional, DataProcessor class will be used by default.
* @param render_type
* name of class which will provides data rendering
*/
public function __construct($res,$type=false,$item_type=false,$data_type=false,$render_type=false){
if (!$item_type) $item_type="TreeGridDataItem";
if (!$data_type) $data_type="TreeGridDataProcessor";
if (!$render_type) $render_type="TreeRenderStrategy";
parent::__construct($res,$type,$item_type,$data_type,$render_type);
}
/*! process treegrid specific options in incoming request */
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);
$this->request->set_limit(0,0); //netralize default reaction on dyn. loading mode
}
/*! renders self as xml, starting part
*/
protected function xml_start(){
return "<rows parent='".$this->xmlentities( $this->request->get_relation() )."'>";
}
}
/*! DataProcessor class for Grid component
**/
class TreeGridDataProcessor extends GridDataProcessor{
function __construct($connector,$config,$request){
parent::__construct($connector,$config,$request);
$request->set_relation(false);
}
/*! convert incoming data name to valid db name
converts c0..cN to valid field names
@param data
data name from incoming request
@return
related db_name
*/
function name_data($data){
if ($data=="gr_pid")
return $this->config->relation_id["name"];
else return parent::name_data($data);
}
}
?>
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