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<?php
namespace Dhtmlx\Connector\Output;
class MultitableTreeRenderStrategy extends TreeRenderStrategy {
private $level = 0;
private $max_level = null;
protected $sep = "-@level@-";
public function __construct($conn) {
parent::__construct($conn);
$conn->event->attach("beforeProcessing", Array($this, 'id_translate_before'));
$conn->event->attach("afterProcessing", Array($this, 'id_translate_after'));
}
public function set_separator($sep) {
$this->sep = $sep;
}
public function render_set($res, $name, $dload, $sep, $config, $mix){
$output="";
$index=0;
$conn = $this->conn;
$this->mix($config, $mix);
while ($data=$conn->sql->get_next($res)){
$data = $this->simple_mix($mix, $data);
$data[$config->id['name']] = $this->level_id($data[$config->id['name']]);
$data = new $name($data,$config,$index);
$conn->event->trigger("beforeRender",$data);
if (($this->max_level !== null)&&($conn->get_level() == $this->max_level)) {
$data->set_kids(false);
} else {
if ($data->has_kids()===-1)
$data->set_kids(true);
}
$output.=$data->to_xml_start();
$output.=$data->to_xml_end();
$index++;
}
$this->unmix($config, $mix);
return $output;
}
public function level_id($id, $level = null) {
return ($level === null ? $this->level : $level).$this->sep.$id;
}
/*! remove level prefix from id, parent id and set new id before processing
@param action
DataAction object
*/
public function id_translate_before($action) {
$id = $action->get_id();
$id = $this->parse_id($id, false);
$action->set_id($id);
$action->set_value('tr_id', $id);
$action->set_new_id($id);
$pid = $action->get_value($this->conn->get_config()->relation_id['db_name']);
$pid = $this->parse_id($pid, false);
$action->set_value($this->conn->get_config()->relation_id['db_name'], $pid);
}
/*! add level prefix in id and new id after processing
@param action
DataAction object
*/
public function id_translate_after($action) {
$id = $action->get_id();
$action->set_id($this->level_id($id));
$id = $action->get_new_id();
$action->success($this->level_id($id));
}
public function get_level($parent_name) {
if ($this->level) return $this->level;
if (!isset($_GET[$parent_name])) {
if (isset($_POST['ids'])) {
$ids = explode(",",$_POST["ids"]);
$id = $this->parse_id($ids[0]);
$this->level--;
}
$this->conn->get_request()->set_relation(false);
} else {
$id = $this->parse_id($_GET[$parent_name]);
$_GET[$parent_name] = $id;
}
return $this->level;
}
public function is_max_level() {
if (($this->max_level !== null) && ($this->level >= $this->max_level))
return true;
return false;
}
public function set_max_level($max_level) {
$this->max_level = $max_level;
}
public function parse_id($id, $set_level = true) {
$parts = explode($this->sep, $id, 2);
if (count($parts) === 2) {
$level = $parts[0] + 1;
$id = $parts[1];
} else {
$level = 0;
$id = '';
}
if ($set_level) $this->level = $level;
return $id;
}
}
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