Moving dhtmlxGantt library to 'libraries' folder

libraries/dhtmlxgantt/connector/db_pdo.php

@@ -0,0 +1,100 @@
+<?php
+/*
+	@author dhtmlx.com
+	@license GPL, see license.txt
+*/
+require_once("db_common.php");
+/*! Implementation of DataWrapper for PDO
+
+if you plan to use it for Oracle - use Oracle connection type instead
+**/
+class PDODBDataWrapper extends DBDataWrapper{
+	private $last_result;//!< store result or last operation
+	
+	public function query($sql){
+		LogMaster::log($sql);
+		
+		$res=$this->connection->query($sql);
+		if ($res===false) {
+			$message = $this->connection->errorInfo();
+			throw new Exception("PDO - sql execution failed\n".$message[2]);
+		}
+		
+		return new PDOResultSet($res);
+	}
+
+	protected function select_query($select,$from,$where,$sort,$start,$count){
+		if (!$from)
+			return $select;
+			
+		$sql="SELECT ".$select." FROM ".$from;
+		if ($where) $sql.=" WHERE ".$where;
+		if ($sort) $sql.=" ORDER BY ".$sort;
+		if ($start || $count) {
+			if ($this->connection->getAttribute(PDO::ATTR_DRIVER_NAME)=="pgsql")
+				$sql.=" OFFSET ".$start." LIMIT ".$count;
+			else
+				$sql.=" LIMIT ".$start.",".$count;
+		}
+		return $sql;
+	}
+	
+	public function tables_list() {
+		$result = $this->query("SHOW TABLES");
+		if ($result===false) throw new Exception("MySQL operation failed\n".mysql_error($this->connection));
+
+		$tables = array();
+		while ($table = $result->next()) {
+			$tables[] = $table[0];
+		}
+		return $tables;
+	}
+
+	public function fields_list($table) {
+		$result = $this->query("SHOW COLUMNS FROM `".$table."`");
+		if ($result===false) throw new Exception("MySQL operation failed\n".mysql_error($this->connection));
+
+		$fields = array();
+        $id = "";
+		while ($field = $result->next()) {
+			if ($field['Key'] == "PRI")
+				$id = $field["Field"];
+            else
+			    $fields[] = $field["Field"];
+		}
+		return array("fields" => $fields, "key" => $id );
+	}
+		
+	public function get_next($res){
+		$data = $res->next();
+		return $data;
+	}
+	
+	public function get_new_id(){
+		return $this->connection->lastInsertId();
+	}
+	
+	public function escape($str){
+		$res=$this->connection->quote($str);
+		if ($res===false) //not supported by pdo driver
+			return str_replace("'","''",$str); 
+		return substr($res,1,-1);
+	}
+	
+}
+
+class PDOResultSet{
+	private $res;
+	public function __construct($res){
+		$this->res = $res;
+	}
+	public function next(){
+		$data = $this->res->fetch(PDO::FETCH_ASSOC);
+		if (!$data){
+			$this->res->closeCursor();
+			return null;
+		}
+		return $data;
+	}	
+}
+?>