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<?php
namespace Dhtmlx\Connector;
use Dhtmlx\Connector\Output\OutputWriter;
class JSONGanttConnector extends GanttConnector {
protected $data_separator = ",";
/*! constructor
Here initilization of all Masters occurs, execution timer initialized
@param res
db connection resource
@param type
string , which hold type of database ( MySQL or Postgre ), optional, instead of short DB name, full name of DataWrapper-based class can be provided
@param item_type
name of class, which will be used for item rendering, optional, DataItem will be used by default
@param data_type
name of class which will be used for dataprocessor calls handling, optional, DataProcessor class will be used by default.
*/
public function __construct($res,$type=false,$item_type=false,$data_type=false,$render_type=false){
if (!$item_type) $item_type="Dhtmlx\\Connector\\Data\\JSONGanttDataItem";
if (!$data_type) $data_type="Dhtmlx\\Connector\\DataProcessor\\GanttDataProcessor";
if (!$render_type) $render_type="Dhtmlx\\Connector\\Output\\JSONRenderStrategy";
parent::__construct($res,$type,$item_type,$data_type,$render_type);
}
protected function xml_start() {
return '{ "data":';
}
protected function xml_end() {
$this->fill_collections();
$end = (!empty($this->extra_output)) ? ', "collections": {'.$this->extra_output.'}' : '';
foreach ($this->attributes as $k => $v)
$end.=", \"".$k."\":\"".$v."\"";
$end .= '}';
return $end;
}
/*! assign options collection to the column
@param name
name of the column
@param options
array or connector object
*/
public function set_options($name,$options){
if (is_array($options)){
$str=array();
foreach($options as $k => $v)
$str[]='{"id":"'.$this->xmlentities($k).'", "value":"'.$this->xmlentities($v).'"}';
$options=implode(",",$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;
$option="\"{$name}\":[";
if (!is_string($this->options[$name])){
$data = json_encode($this->options[$name]->render());
$option.=substr($data,1,-1);
} else
$option.=$this->options[$name];
$option.="]";
$options[] = $option;
}
$this->extra_output .= implode($this->data_separator, $options);
}
/*! output fetched data as XML
@param res
DB resultset
*/
protected function output_as_xml($res){
$result = $this->render_set($res);
if ($this->simple) return $result;
$data=$this->xml_start().json_encode($result).$this->xml_end();
if ($this->as_string) return $data;
$out = new OutputWriter($data, "");
$out->set_type("json");
$this->event->trigger("beforeOutput", $this, $out);
$out->output("", true, $this->encoding);
}
public function render_links($table,$id="",$fields=false,$extra=false,$relation_id=false) {
$links = new JSONGanttLinksConnector($this->get_connection(),$this->names["db_class"]);
$links->render_table($table,$id,$fields,$extra);
$this->set_options("links", $links);
}
}
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