* import of php connector v1.2

1 files changed, 163 insertions, 0 deletions

diff --git a/codebase/data_connector.php b/codebase/data_connector.php
new file mode 100644
index 0000000..042a20b
--- /dev/null
+++ b/codebase/data_connector.php
@@ -0,0 +1,163 @@
+<?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"]))
+				$data[$_POST["id"]] = $_POST;
+			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 "";
+		
+		$str="<item id='".$this->get_id()."' >";
+		for ($i=0; $i<sizeof($this->config->text); $i++){
+			$extra = $this->config->text[$i]["name"];
+			$str.="<".$extra."><![CDATA[".$this->data[$extra]."]]></".$extra.">";
+		}
+		return $str."</item>";
+	}
+}
+
+
+/*! Connector class for DataView
+**/
+class DataConnector extends Connector{
+	
+	/*! constructor
+		
+		Here initilization of all Masters occurs, execution timer initialized
+		@param res 
+			db connection resource
+		@param type
+			string , which hold type of database ( MySQL or Postgre ), optional, instead of short DB name, full name of DataWrapper-based class can be provided
+		@param item_type
+			name of class, which will be used for item rendering, optional, DataItem will be used by default
+		@param data_type
+			name of class which will be used for dataprocessor calls handling, optional, DataProcessor class will be used by default. 
+	*/	
+	public function __construct($res,$type=false,$item_type=false,$data_type=false){
+		if (!$item_type) $item_type="CommonDataItem";
+		if (!$data_type) $data_type="CommonDataProcessor";
+		parent::__construct($res,$type,$item_type,$data_type);
+	}
+
+	protected function parse_request_mode(){
+		//do nothing, at least for now
+	}
+	
+	//parse GET scoope, all operations with incoming request must be done here
+	protected function parse_request(){
+		if (isset($_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['editing']) && isset($_POST['ids']))
+				$this->editing = true;			
+			
+			parent::parse_request();
+		}
+	}
+	
+	/*! renders self as  xml, starting part
+	*/
+	protected function xml_start(){
+		return "<data>";
+	}	
+};
+
+class JSONDataConnector extends DataConnector{
+	public function __construct($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,$data_type);
+	}
+	
+	protected function output_as_xml($res){
+		$start = "[\n";
+		$end = substr($this->render_set($res),0,-2)."\n]";
+		
+		$out = new OutputWriter($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( "id" => $this->get_id() );
+		for ($i=0; $i<sizeof($this->config->text); $i++){
+			$extra = $this->config->text[$i]["name"];
+			$data[$extra]=$this->data[$extra];
+		}
+		return json_encode($data);
+	}
+}
+
+?>
\ No newline at end of file