[add] ability to define extra data attributes

1 files changed, 453 insertions, 435 deletions

diff --git a/codebase/data_connector.php b/codebase/data_connector.php
index 4e6ad76..de6d2f0 100644
--- a/codebase/data_connector.php
+++ b/codebase/data_connector.php
@@ -1,435 +1,453 @@
-<?php
-/*
-	@author dhtmlx.com
-	@license GPL, see license.txt
-*/
-require_once("base_connector.php");
-
-class CommonDataProcessor extends DataProcessor{
-	protected function get_post_values($ids){
-		if (isset($_GET['action'])){
-			$data = array();
-			if (isset($_POST["id"])){
-				$dataset = array();
-				foreach($_POST as $key=>$value)
-					$dataset[$key] = ConnectorSecurity::filter($value);
-
-				$data[$_POST["id"]] = $dataset;
-			}
-			else
-				$data["dummy_id"] = $_POST;
-			return $data;
-		}
-		return parent::get_post_values($ids);
-	}
-	
-	protected function get_ids(){
-		if (isset($_GET['action'])){
-			if (isset($_POST["id"]))
-				return array($_POST['id']);
-			else
-				return array("dummy_id");
-		}
-		return parent::get_ids();
-	}
-	
-	protected function get_operation($rid){
-		if (isset($_GET['action']))
-			return $_GET['action'];
-		return parent::get_operation($rid);
-	}
-	
-	public function output_as_xml($results){
-		if (isset($_GET['action'])){
-			LogMaster::log("Edit operation finished",$results);
-			ob_clean();
-			$type = $results[0]->get_status();
-			if ($type == "error" || $type == "invalid"){
-				echo "false";
-			} else if ($type=="insert"){
-				echo "true\n".$results[0]->get_new_id();
-			} else 
-				echo "true";
-		} else
-			return parent::output_as_xml($results);
-	}
-};
-
-/*! DataItem class for DataView component
-**/
-class CommonDataItem extends DataItem{
-	/*! return self as XML string
-	*/
-	function to_xml(){
-		if ($this->skip) return "";
-		return $this->to_xml_start().$this->to_xml_end();
-	}
-
-	function to_xml_start(){
-		$str="<item id='".$this->get_id()."' ";
-		for ($i=0; $i < sizeof($this->config->text); $i++){ 
-			$name=$this->config->text[$i]["name"];
-			$str.=" ".$name."='".$this->xmlentities($this->data[$name])."'";
-		}
-		return $str.">";
-	}
-}
-
-
-/*! Connector class for DataView
-**/
-class DataConnector extends Connector{
-	
-	/*! constructor
-		
-		Here initilization of all Masters occurs, execution timer initialized
-		@param res 
-			db connection resource
-		@param type
-			string , which hold type of database ( MySQL or Postgre ), optional, instead of short DB name, full name of DataWrapper-based class can be provided
-		@param item_type
-			name of class, which will be used for item rendering, optional, DataItem will be used by default
-		@param data_type
-			name of class which will be used for dataprocessor calls handling, optional, DataProcessor class will be used by default. 
-	*/	
-	public function __construct($res,$type=false,$item_type=false,$data_type=false,$render_type=false){
-		if (!$item_type) $item_type="CommonDataItem";
-		if (!$data_type) $data_type="CommonDataProcessor";
-
-		$this->sections = array();
-		$this->attributes = array();
-
-		if (!$render_type) $render_type="RenderStrategy";
-		parent::__construct($res,$type,$item_type,$data_type,$render_type);
-
-	}
-
-	protected $sections;
-	public function add_section($name, $string){
-		$this->sections[$name] = $string;
-	}
-
-	protected $attributes;
-	public function add_top_attribute($name, $string){
-		$this->attributes[$name] = $string;
-	}
-
-	protected function parse_request_mode(){
-		//do nothing, at least for now
-	}
-	
-	//parse GET scoope, all operations with incoming request must be done here
-	protected function parse_request(){
-		if (isset($_GET['action'])){
-			$action = $_GET['action'];
-			//simple request mode
-			if ($action == "get"){
-				//data request
-				if (isset($_GET['id'])){
-					//single entity data request
-					$this->request->set_filter($this->config->id["name"],$_GET['id'],"=");
-				} else {
-					//loading collection of items
-				}
-			} else {
-				//data saving
-				$this->editing = true;
-			}
-		} else {
-			if (isset($_GET["dhx_colls"]))
-				$this->fill_collections($_GET["dhx_colls"]);
-
-			if (isset($_GET['editing']) && isset($_POST['ids']))
-				$this->editing = true;			
-			
-			parent::parse_request();
-		}
-	
-		if (isset($_GET["start"]) && isset($_GET["count"]))
-			$this->request->set_limit($_GET["start"],$_GET["count"]);
-
-		$key = ConnectorSecurity::checkCSRF($this->editing);
-		if ($key !== "")
-			$this->add_top_attribute("dhx_security", $key);
-	}
-	
-	/*! renders self as  xml, starting part
-	*/
-	protected function xml_start(){
-		$start = "<data";
-		foreach($this->attributes as $k=>$v)
-			$start .= " ".$k."='".$v."'";
-		$start.= ">";
-
-		foreach($this->sections as $k=>$v)
-			$start .= "<".$k.">".$v."</".$k.">\n";
-		return $start;
-	}	
-};
-
-class JSONDataConnector extends DataConnector{
-
-	public function __construct($res,$type=false,$item_type=false,$data_type=false){
-		if (!$item_type) $item_type="JSONCommonDataItem";
-		if (!$data_type) $data_type="CommonDataProcessor";
-		$this->data_separator = ",\n";
-		parent::__construct($res,$type,$item_type,$data_type);
-	}
-
-	/*! assign options collection to the column
-		
-		@param name 
-			name of the column
-		@param options
-			array or connector object
-	*/
-	public function set_options($name,$options){
-		if (is_array($options)){
-			$str=array();
-			foreach($options as $k => $v)
-				$str[]='{"id":"'.$this->xmlentities($k).'", "value":"'.$this->xmlentities($v).'"}';
-			$options=implode(",",$str);
-		}
-		$this->options[$name]=$options;
-	}
-
-
-	protected function fill_collections($list){
-		$names=explode(",",$list);
-		$options=array();
-		for ($i=0; $i < sizeof($names); $i++) { 
-			$name = $this->resolve_parameter($names[$i]);
-			if (!array_key_exists($name,$this->options)){
-				$this->options[$name] = new JSONDistinctOptionsConnector($this->get_connection(),$this->names["db_class"]);
-				$c = new DataConfig($this->config);
-				$r = new DataRequestConfig($this->request);
-				$c->minimize($name);
-				
-				$this->options[$name]->render_connector($c,$r);
-			} 
-
-			$option="\"{$name}\":[";
-			if (!is_string($this->options[$name]))
-				$option.=substr($this->options[$name]->render(),0,-2);
-			else
-				$option.=$this->options[$name];
-			$option.="]";
-			$options[] = $option;
-		}
-		$this->extra_output .= implode(",", $options);
-	}
-
-	protected function resolve_parameter($name){
-		if (intval($name).""==$name)
-			return $this->config->text[intval($name)]["db_name"];
-		return $name;
-	}
-
-	protected function output_as_xml($res){
-		$start = "[\n";
-		$end = substr($this->render_set($res),0,-2)."\n]";
-
-		$is_sections = sizeof($this->sections) && $this->is_first_call();
-		if ($this->dload || $is_sections){
-			$start = "{ \"data\":".$start.$end;
-			$end="";
-
-			if ($is_sections){
-				//extra sections
-				foreach($this->sections as $k=>$v)
-					$end.= ", ".$k.":".$v;
-			}
-
-			if ($this->dload){
-				//info for dyn. loadin
-				if ($pos=$this->request->get_start())
-					$end .= ", \"pos\":".$pos." }";
-				else
-					$end .= ", \"pos\":0, \"total_count\":".$this->sql->get_size($this->request)." }";
-			} else 
-				$end .= " }";
-		}
-		$out = new OutputWriter($start, $end);
-		$out->set_type("json");
-		$this->event->trigger("beforeOutput", $this, $out);
-		$out->output("", true, $this->encoding);
-	}
-}
-
-class JSONCommonDataItem extends DataItem{
-	/*! return self as XML string
-	*/
-	function to_xml(){
-		if ($this->skip) return "";
-		
-		$data = array();
-		for ($i=0; $i<sizeof($this->config->text); $i++){
-			$extra = $this->config->text[$i]["name"];
-			$data[$extra]=$this->data[$extra];
-		}
-		return json_encode($data);
-	}
-}
-
-
-/*! wrapper around options collection, used for comboboxes and filters
-**/
-class JSONOptionsConnector extends JSONDataConnector{
-	protected $init_flag=false;//!< used to prevent rendering while initialization
-	public function __construct($res,$type=false,$item_type=false,$data_type=false){
-		if (!$item_type) $item_type="JSONCommonDataItem";
-		if (!$data_type) $data_type=""; //has not sense, options not editable
-		parent::__construct($res,$type,$item_type,$data_type);
-	}
-	/*! render self
-		process commands, return data as XML, not output data to stdout, ignore parameters in incoming request
-		@return
-			data as XML string
-	*/	
-	public function render(){
-		if (!$this->init_flag){
-			$this->init_flag=true;
-			return "";
-		}
-		$res = $this->sql->select($this->request);
-		return $this->render_set($res);
-	}
-}
-
-
-class JSONDistinctOptionsConnector extends JSONOptionsConnector{
-	/*! render self
-		process commands, return data as XML, not output data to stdout, ignore parameters in incoming request
-		@return
-			data as XML string
-	*/	
-	public function render(){
-		if (!$this->init_flag){
-			$this->init_flag=true;
-			return "";
-		}
-		$res = $this->sql->get_variants($this->config->text[0]["db_name"],$this->request);
-		return $this->render_set($res);
-	}
-}
-
-
-
-class TreeCommonDataItem extends CommonDataItem{
-	protected $kids=-1;
-
-	function to_xml_start(){
-		$str="<item id='".$this->get_id()."' ";
-		for ($i=0; $i < sizeof($this->config->text); $i++){ 
-			$name=$this->config->text[$i]["name"];
-			$str.=" ".$name."='".$this->xmlentities($this->data[$name])."'";
-		}
-		
-		if ($this->kids === true)
-			$str .=" dhx_kids='1'";
-		
-		return $str.">";
-	}
-
-	function has_kids(){
-		return $this->kids;
-	}
-
-	function set_kids($value){
-		$this->kids=$value;
-	}
-}
-
-
-class TreeDataConnector extends DataConnector{
-	protected $parent_name = 'parent';
-
-	/*! constructor
-		
-		Here initilization of all Masters occurs, execution timer initialized
-		@param res 
-			db connection resource
-		@param type
-			string , which hold type of database ( MySQL or Postgre ), optional, instead of short DB name, full name of DataWrapper-based class can be provided
-		@param item_type
-			name of class, which will be used for item rendering, optional, DataItem will be used by default
-		@param data_type
-			name of class which will be used for dataprocessor calls handling, optional, DataProcessor class will be used by default. 
-	 *	@param render_type
-	 *		name of class which will provides data rendering
-	*/	
-	public function __construct($res,$type=false,$item_type=false,$data_type=false,$render_type=false){
-		if (!$item_type) $item_type="TreeCommonDataItem";
-		if (!$data_type) $data_type="CommonDataProcessor";
-		if (!$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
-	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("0");
-
-		$this->request->set_limit(0,0); //netralize default reaction on dyn. loading mode
-	}
-
-	/*! renders self as  xml, starting part
-	*/
-	protected function xml_start(){
-		return "<data parent='".$this->request->get_relation()."'>";
-	}	
-}
-
-
-class JSONTreeDataConnector extends TreeDataConnector{
-
-	public function __construct($res,$type=false,$item_type=false,$data_type=false,$render_type){
-		if (!$item_type) $item_type="JSONTreeCommonDataItem";
-		if (!$data_type) $data_type="CommonDataProcessor";
-		if (!$render_type) $render_type="JSONTreeRenderStrategy";
-		parent::__construct($res,$type,$item_type,$data_type,$render_type);
-	}
-
-	protected function output_as_xml($res){
-		$data = array();
-		$data["parent"] = $this->request->get_relation();
-		$data["data"] = $this->render_set($res);
-		$out = new OutputWriter(json_encode($data), "");
-		$out->set_type("json");
-		$this->event->trigger("beforeOutput", $this, $out);
-		$out->output("", true, $this->encoding);
-	}
-
-}
-
-
-class JSONTreeCommonDataItem extends TreeCommonDataItem{
-	/*! return self as XML string
-	*/
-	function to_xml_start(){
-		if ($this->skip) return "";
-		
-		$data = array( "id" => $this->get_id() );
-		for ($i=0; $i<sizeof($this->config->text); $i++){
-			$extra = $this->config->text[$i]["name"];
-			$data[$extra]=$this->data[$extra];
-		}
-
-		if ($this->kids === true)
-			$data["dhx_kids"] = 1;
-
-		return $data;
-	}
-
-	function to_xml_end(){
-		return "";
-	}
-}
-
-
-?>
-
+<?php

+/*

+	@author dhtmlx.com

+	@license GPL, see license.txt

+*/

+require_once("base_connector.php");

+

+class CommonDataProcessor extends DataProcessor{

+	protected function get_post_values($ids){

+		if (isset($_GET['action'])){

+			$data = array();

+			if (isset($_POST["id"])){

+				$dataset = array();

+				foreach($_POST as $key=>$value)

+					$dataset[$key] = ConnectorSecurity::filter($value);

+

+				$data[$_POST["id"]] = $dataset;

+			}

+			else

+				$data["dummy_id"] = $_POST;

+			return $data;

+		}

+		return parent::get_post_values($ids);

+	}

+	

+	protected function get_ids(){

+		if (isset($_GET['action'])){

+			if (isset($_POST["id"]))

+				return array($_POST['id']);

+			else

+				return array("dummy_id");

+		}

+		return parent::get_ids();

+	}

+	

+	protected function get_operation($rid){

+		if (isset($_GET['action']))

+			return $_GET['action'];

+		return parent::get_operation($rid);

+	}

+	

+	public function output_as_xml($results){

+		if (isset($_GET['action'])){

+			LogMaster::log("Edit operation finished",$results);

+			ob_clean();

+			$type = $results[0]->get_status();

+			if ($type == "error" || $type == "invalid"){

+				echo "false";

+			} else if ($type=="insert"){

+				echo "true\n".$results[0]->get_new_id();

+			} else 

+				echo "true";

+		} else

+			return parent::output_as_xml($results);

+	}

+};

+

+/*! DataItem class for DataView component

+**/

+class CommonDataItem extends DataItem{

+	/*! return self as XML string

+	*/

+	function to_xml(){

+		if ($this->skip) return "";

+		return $this->to_xml_start().$this->to_xml_end();

+	}

+

+	function to_xml_start(){

+		$str="<item id='".$this->get_id()."' ";

+		for ($i=0; $i < sizeof($this->config->text); $i++){ 

+			$name=$this->config->text[$i]["name"];

+			$str.=" ".$name."='".$this->xmlentities($this->data[$name])."'";

+		}

+

+		if ($this->userdata !== false)

+			foreach ($this->userdata as $key => $value)

+				$str.=" ".$key."='".$this->xmlentities($value)."'";

+

+		return $str.">";

+	}

+}

+

+

+/*! Connector class for DataView

+**/

+class DataConnector extends Connector{

+	

+	/*! 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. 

+	*/	

+	public function __construct($res,$type=false,$item_type=false,$data_type=false,$render_type=false){

+		if (!$item_type) $item_type="CommonDataItem";

+		if (!$data_type) $data_type="CommonDataProcessor";

+

+		$this->sections = array();

+		$this->attributes = array();

+

+		if (!$render_type) $render_type="RenderStrategy";

+		parent::__construct($res,$type,$item_type,$data_type,$render_type);

+

+	}

+

+	protected $sections;

+	public function add_section($name, $string){

+		$this->sections[$name] = $string;

+	}

+

+	protected $attributes;

+	public function add_top_attribute($name, $string){

+		$this->attributes[$name] = $string;

+	}

+

+	protected function parse_request_mode(){

+		//do nothing, at least for now

+	}

+	

+	//parse GET scoope, all operations with incoming request must be done here

+	protected function parse_request(){

+		if (isset($_GET['action'])){

+			$action = $_GET['action'];

+			//simple request mode

+			if ($action == "get"){

+				//data request

+				if (isset($_GET['id'])){

+					//single entity data request

+					$this->request->set_filter($this->config->id["name"],$_GET['id'],"=");

+				} else {

+					//loading collection of items

+				}

+			} else {

+				//data saving

+				$this->editing = true;

+			}

+		} else {

+			if (isset($_GET["dhx_colls"]))

+				$this->fill_collections($_GET["dhx_colls"]);

+

+			if (isset($_GET['editing']) && isset($_POST['ids']))

+				$this->editing = true;			

+			

+			parent::parse_request();

+		}

+	

+		if (isset($_GET["start"]) && isset($_GET["count"]))

+			$this->request->set_limit($_GET["start"],$_GET["count"]);

+

+		$key = ConnectorSecurity::checkCSRF($this->editing);

+		if ($key !== "")

+			$this->add_top_attribute("dhx_security", $key);

+	}

+	

+	/*! renders self as  xml, starting part

+	*/

+	protected function xml_start(){

+		$start = "<data";

+		foreach($this->attributes as $k=>$v)

+			$start .= " ".$k."='".$v."'";

+		$start.= ">";

+

+		foreach($this->sections as $k=>$v)

+			$start .= "<".$k.">".$v."</".$k.">\n";

+		return $start;

+	}	

+};

+

+class JSONDataConnector extends DataConnector{

+

+	public function __construct($res,$type=false,$item_type=false,$data_type=false){

+		if (!$item_type) $item_type="JSONCommonDataItem";

+		if (!$data_type) $data_type="CommonDataProcessor";

+		$this->data_separator = ",\n";

+		parent::__construct($res,$type,$item_type,$data_type);

+	}

+

+	/*! assign options collection to the column

+		

+		@param name 

+			name of the column

+		@param options

+			array or connector object

+	*/

+	public function set_options($name,$options){

+		if (is_array($options)){

+			$str=array();

+			foreach($options as $k => $v)

+				$str[]='{"id":"'.$this->xmlentities($k).'", "value":"'.$this->xmlentities($v).'"}';

+			$options=implode(",",$str);

+		}

+		$this->options[$name]=$options;

+	}

+

+

+	protected function fill_collections($list){

+		$names=explode(",",$list);

+		$options=array();

+		for ($i=0; $i < sizeof($names); $i++) { 

+			$name = $this->resolve_parameter($names[$i]);

+			if (!array_key_exists($name,$this->options)){

+				$this->options[$name] = new JSONDistinctOptionsConnector($this->get_connection(),$this->names["db_class"]);

+				$c = new DataConfig($this->config);

+				$r = new DataRequestConfig($this->request);

+				$c->minimize($name);

+				

+				$this->options[$name]->render_connector($c,$r);

+			} 

+

+			$option="\"{$name}\":[";

+			if (!is_string($this->options[$name]))

+				$option.=substr($this->options[$name]->render(),0,-2);

+			else

+				$option.=$this->options[$name];

+			$option.="]";

+			$options[] = $option;

+		}

+		$this->extra_output .= implode(",", $options);

+	}

+

+	protected function resolve_parameter($name){

+		if (intval($name).""==$name)

+			return $this->config->text[intval($name)]["db_name"];

+		return $name;

+	}

+

+	protected function output_as_xml($res){

+		$start = "[\n";

+		$end = substr($this->render_set($res),0,-2)."\n]";

+

+		$is_sections = sizeof($this->sections) && $this->is_first_call();

+		if ($this->dload || $is_sections){

+			$start = "{ \"data\":".$start.$end;

+			$end="";

+

+			if ($is_sections){

+				//extra sections

+				foreach($this->sections as $k=>$v)

+					$end.= ", ".$k.":".$v;

+			}

+

+			if ($this->dload){

+				//info for dyn. loadin

+				if ($pos=$this->request->get_start())

+					$end .= ", \"pos\":".$pos." }";

+				else

+					$end .= ", \"pos\":0, \"total_count\":".$this->sql->get_size($this->request)." }";

+			} else 

+				$end .= " }";

+		}

+		$out = new OutputWriter($start, $end);

+		$out->set_type("json");

+		$this->event->trigger("beforeOutput", $this, $out);

+		$out->output("", true, $this->encoding);

+	}

+}

+

+class JSONCommonDataItem extends DataItem{

+	/*! return self as XML string

+	*/

+	function to_xml(){

+		if ($this->skip) return "";

+		

+		$data = array();

+		for ($i=0; $i<sizeof($this->config->text); $i++){

+			$extra = $this->config->text[$i]["name"];

+			$data[$extra]=$this->data[$extra];

+		}

+		

+		if ($this->userdata !== false)

+			foreach ($this->userdata as $key => $value)

+				$data["key"]=$value;

+

+		return json_encode($data);

+	}

+}

+

+

+/*! wrapper around options collection, used for comboboxes and filters

+**/

+class JSONOptionsConnector extends JSONDataConnector{

+	protected $init_flag=false;//!< used to prevent rendering while initialization

+	public function __construct($res,$type=false,$item_type=false,$data_type=false){

+		if (!$item_type) $item_type="JSONCommonDataItem";

+		if (!$data_type) $data_type=""; //has not sense, options not editable

+		parent::__construct($res,$type,$item_type,$data_type);

+	}

+	/*! render self

+		process commands, return data as XML, not output data to stdout, ignore parameters in incoming request

+		@return

+			data as XML string

+	*/	

+	public function render(){

+		if (!$this->init_flag){

+			$this->init_flag=true;

+			return "";

+		}

+		$res = $this->sql->select($this->request);

+		return $this->render_set($res);

+	}

+}

+

+

+class JSONDistinctOptionsConnector extends JSONOptionsConnector{

+	/*! render self

+		process commands, return data as XML, not output data to stdout, ignore parameters in incoming request

+		@return

+			data as XML string

+	*/	

+	public function render(){

+		if (!$this->init_flag){

+			$this->init_flag=true;

+			return "";

+		}

+		$res = $this->sql->get_variants($this->config->text[0]["db_name"],$this->request);

+		return $this->render_set($res);

+	}

+}

+

+

+

+class TreeCommonDataItem extends CommonDataItem{

+	protected $kids=-1;

+

+	function to_xml_start(){

+		$str="<item id='".$this->get_id()."' ";

+		for ($i=0; $i < sizeof($this->config->text); $i++){ 

+			$name=$this->config->text[$i]["name"];

+			$str.=" ".$name."='".$this->xmlentities($this->data[$name])."'";

+		}

+		

+		if ($this->userdata !== false)

+			foreach ($this->userdata as $key => $value)

+				$str.=" ".$key."='".$this->xmlentities($value)."'";

+

+		if ($this->kids === true)

+			$str .=" dhx_kids='1'";

+		

+		return $str.">";

+	}

+

+	function has_kids(){

+		return $this->kids;

+	}

+

+	function set_kids($value){

+		$this->kids=$value;

+	}

+}

+

+

+class TreeDataConnector extends DataConnector{

+	protected $parent_name = 'parent';

+

+	/*! 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="TreeCommonDataItem";

+		if (!$data_type) $data_type="CommonDataProcessor";

+		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

+	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("0");

+

+		$this->request->set_limit(0,0); //netralize default reaction on dyn. loading mode

+	}

+

+	/*! renders self as  xml, starting part

+	*/

+	protected function xml_start(){

+		return "<data parent='".$this->request->get_relation()."'>";

+	}	

+}

+

+

+class JSONTreeDataConnector extends TreeDataConnector{

+

+	public function __construct($res,$type=false,$item_type=false,$data_type=false,$render_type){

+		if (!$item_type) $item_type="JSONTreeCommonDataItem";

+		if (!$data_type) $data_type="CommonDataProcessor";

+		if (!$render_type) $render_type="JSONTreeRenderStrategy";

+		parent::__construct($res,$type,$item_type,$data_type,$render_type);

+	}

+

+	protected function output_as_xml($res){

+		$data = array();

+		$data["parent"] = $this->request->get_relation();

+		$data["data"] = $this->render_set($res);

+		$out = new OutputWriter(json_encode($data), "");

+		$out->set_type("json");

+		$this->event->trigger("beforeOutput", $this, $out);

+		$out->output("", true, $this->encoding);

+	}

+

+}

+

+

+class JSONTreeCommonDataItem extends TreeCommonDataItem{

+	/*! return self as XML string

+	*/

+	function to_xml_start(){

+		if ($this->skip) return "";

+		

+		$data = array( "id" => $this->get_id() );

+		for ($i=0; $i<sizeof($this->config->text); $i++){

+			$extra = $this->config->text[$i]["name"];

+			$data[$extra]=$this->data[$extra];

+		}

+

+		if ($this->userdata !== false)

+			foreach ($this->userdata as $key => $value)

+				$data["key"]=$value;

+

+		if ($this->kids === true)

+			$data["dhx_kids"] = 1;

+

+		return $data;

+	}

+

+	function to_xml_end(){

+		return "";

+	}

+}

+

+

+?>

+