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<?php
namespace Dhtmlx\Connector;
use Dhtmlx\Connector\Output\OutputWriter;
class JSONTreeDataConnector extends TreeDataConnector {
public function __construct($res,$type=false,$item_type=false,$data_type=false,$render_type=false){
if (!$item_type) $item_type="JSONTreeCommonDataItem";
if (!$data_type) $data_type="CommonDataProcessor";
if (!$render_type) $render_type="JSONTreeRenderStrategy";
parent::__construct($res,$type,$item_type,$data_type,$render_type);
}
protected function output_as_xml($res){
$result = $this->render_set($res);
if ($this->simple) return $result;
$data = array();
if (!$this->rootId || $this->rootId != $this->request->get_relation())
$data["parent"] = $this->request->get_relation();
$data["data"] = $result;
$this->fill_collections();
if (!empty($this->options))
$data["collections"] = $this->options;
foreach($this->attributes as $k=>$v)
$data[$k] = $v;
$data = json_encode($data);
// return as string
if ($this->as_string) return $data;
// output direct to response
$out = new OutputWriter($data, "");
$out->set_type("json");
$this->event->trigger("beforeOutput", $this, $out);
$out->output("", true, $this->encoding);
}
/*! assign options collection to the column
@param name
name of the column
@param options
array or connector object
*/
public function set_options($name,$options){
if (is_array($options)){
$str=array();
foreach($options as $k => $v)
$str[]=Array("id"=>$this->xmlentities($k), "value"=>$this->xmlentities($v));//'{"id":"'.$this->xmlentities($k).'", "value":"'.$this->xmlentities($v).'"}';
$options=$str;
}
$this->options[$name]=$options;
}
/*! generates xml description for options collections
@param list
comma separated list of column names, for which options need to be generated
*/
protected function fill_collections($list=""){
$options = array();
foreach ($this->options as $k=>$v) {
$name = $k;
if (!is_array($this->options[$name]))
$option=$this->options[$name]->render();
else
$option=$this->options[$name];
$options[$name] = $option;
}
$this->options = $options;
$this->extra_output .= "'collections':".json_encode($options);
}
}
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