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<?php
/*
@author dhtmlx.com
@license GPL, see license.txt
*/
require_once("data_connector.php");
class DelayedConnector extends Connector{
protected $init_flag=false;//!< used to prevent rendering while initialization
private $data_mode=false;//!< flag to separate xml and data request modes
private $data_result=false;//<! store results of query
public function dataMode($name){
$this->data_mode = $name;
$this->data_result=array();
}
public function getDataResult(){
return $this->data_result;
}
public function render(){
if (!$this->init_flag){
$this->init_flag=true;
return "";
}
return parent::render();
}
protected function output_as_xml($res){
if ($this->data_mode){
while ($data=$this->sql->get_next($res)){
$this->data_result[]=$data[$this->data_mode];
}
}
else
return parent::output_as_xml($res);
}
protected function end_run(){
if (!$this->data_mode)
parent::end_run();
}
}
class CrossOptionsConnector extends Connector{
public $options, $link;
private $master_name, $link_name, $master_value;
public function __construct($res,$type=false,$item_type=false,$data_type=false){
$this->options = new OptionsConnector($res,$type,$item_type,$data_type);
$this->link = new DelayedConnector($res,$type,$item_type,$data_type);
EventMaster::attach_static("connectorInit",array($this, "handle"));
}
public function handle($conn){
if ($conn instanceof DelayedConnector) return;
if ($conn instanceof OptionsConnector) return;
$this->master_name = $this->link->get_config()->id["db_name"];
$this->link_name = $this->options->get_config()->id["db_name"];
$this->link->event->attach("beforeFilter",array($this, "get_only_related"));
if (isset($_GET["dhx_crosslink_".$this->link_name])){
$this->get_links($_GET["dhx_crosslink_".$this->link_name]);
die();
}
if (!$this->dload){
$conn->event->attach("beforeRender", array($this, "getOptions"));
$conn->event->attach("beforeRenderSet", array($this, "prepareConfig"));
}
$conn->event->attach("afterProcessing", array($this, "afterProcessing"));
}
public function prepareConfig($conn, $res, $config){
$config->add_field($this->link_name);
}
public function getOptions($data){
$this->link->dataMode($this->link_name);
$this->get_links($data->get_value($this->master_name));
$data->set_value($this->link_name, implode(",",$this->link->getDataResult()));
}
public function get_links($id){
$this->master_value = $id;
$this->link->render();
}
public function get_only_related($filters){
$index = $filters->index($this->master_name);
if ($index!==false){
$filters->rules[$index]["value"]=$this->master_value;
} else
$filters->add($this->master_name, $this->master_value, "=");
}
public function afterProcessing($action){
$status = $action->get_status();
$master_key = $action->get_id();//value($this->master_name);
$link_key = $action->get_value($this->link_name);
$link_key = explode(',', $link_key);
if ($status == "inserted")
$master_key = $action->get_new_id();
switch ($status){
case "deleted":
$this->link->delete($master_key);
break;
case "updated":
//cross link options not loaded yet, so we can skip update
if (!array_key_exists($this->link_name, $action->get_data()))
break;
//else, delete old options and continue in insert section to add new values
$this->link->delete($master_key);
case "inserted":
for ($i=0; $i < sizeof($link_key); $i++)
if ($link_key[$i]!="")
$this->link->insert(array(
$this->link_name => $link_key[$i],
$this->master_name => $master_key
));
break;
}
}
}
class JSONCrossOptionsConnector extends CrossOptionsConnector{
public $options, $link;
private $master_name, $link_name, $master_value;
public function __construct($res,$type=false,$item_type=false,$data_type=false){
$this->options = new JSONOptionsConnector($res,$type,$item_type,$data_type);
$this->link = new DelayedConnector($res,$type,$item_type,$data_type);
EventMaster::attach_static("connectorInit",array($this, "handle"));
}
}
?>
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