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<?php
/*
@author dhtmlx.com
@license GPL, see license.txt
*/
require_once("base_connector.php");
/*! DataItem class for Tree component
**/
class TreeDataItem extends DataItem{
private $im0;//!< image of closed folder
private $im1;//!< image of opened folder
private $im2;//!< image of leaf item
private $check;//!< checked state
private $kids=-1;//!< checked state
private $attrs;//!< collection of custom attributes
function __construct($data,$config,$index){
parent::__construct($data,$config,$index);
$this->im0=false;
$this->im1=false;
$this->im2=false;
$this->check=false;
$this->attrs = array();
}
/*! get id of parent record
@return
id of parent record
*/
function get_parent_id(){
return $this->data[$this->config->relation_id["name"]];
}
/*! get state of items checkbox
@return
state of item's checkbox as int value, false if state was not defined
*/
function get_check_state(){
return $this->check;
}
/*! set state of item's checkbox
@param value
int value, 1 - checked, 0 - unchecked, -1 - third state
*/
function set_check_state($value){
$this->check=$value;
}
/*! 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;
}
/*! set custom attribute
@param name
name of the attribute
@param value
new value of the attribute
*/
function set_attribute($name, $value){
switch($name){
case "id":
$this->set_id($value);
break;
case "text":
$this->data[$this->config->text[0]["name"]]=$value;
break;
case "checked":
$this->set_check_state($value);
break;
case "im0":
$this->im0=$value;
break;
case "im1":
$this->im1=$value;
break;
case "im2":
$this->im2=$value;
break;
case "child":
$this->set_kids($value);
break;
default:
$this->attrs[$name]=$value;
}
}
/*! assign image for tree's item
@param img_folder_closed
image for item, which represents folder in closed state
@param img_folder_open
image for item, which represents folder in opened state, optional
@param img_leaf
image for item, which represents leaf item, optional
*/
function set_image($img_folder_closed,$img_folder_open=false,$img_leaf=false){
$this->im0=$img_folder_closed;
$this->im1=$img_folder_open?$img_folder_open:$img_folder_closed;
$this->im2=$img_leaf?$img_leaf:$img_folder_closed;
}
/*! return self as XML string, starting part
*/
function to_xml_start(){
if ($this->skip) return "";
$str1="<item id='".$this->get_id()."' text='".$this->xmlentities($this->data[$this->config->text[0]["name"]])."' ";
if ($this->has_kids()==true) $str1.="child='".$this->has_kids()."' ";
if ($this->im0) $str1.="im0='".$this->im0."' ";
if ($this->im1) $str1.="im1='".$this->im1."' ";
if ($this->im2) $str1.="im2='".$this->im2."' ";
if ($this->check) $str1.="checked='".$this->check."' ";
foreach ($this->attrs as $key => $value)
$str1.=$key."='".$this->xmlentities($value)."' ";
$str1.=">";
if ($this->userdata !== false)
foreach ($this->userdata as $key => $value)
$str1.="<userdata name='".$key."'><![CDATA[".$value."]]></userdata>";
return $str1;
}
/*! return self as XML string, ending part
*/
function to_xml_end(){
if ($this->skip) return "";
return "</item>";
}
}
require_once("filesystem_item.php");
/*! Connector for the dhtmlxtree
**/
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 $this->extra_output."</tree>";
}
}
class TreeDataProcessor extends DataProcessor{
function __construct($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=="tr_pid")
return $this->config->relation_id["db_name"];
if ($data=="tr_text")
return $this->config->text[0]["db_name"];
return $data;
}
}
?>
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