diff options
Diffstat (limited to 'codebase/connector/grid_connector.php')
-rw-r--r-- | codebase/connector/grid_connector.php | 262 |
1 files changed, 262 insertions, 0 deletions
diff --git a/codebase/connector/grid_connector.php b/codebase/connector/grid_connector.php new file mode 100644 index 0000000..9748dee --- /dev/null +++ b/codebase/connector/grid_connector.php @@ -0,0 +1,262 @@ +<?php +/* + @author dhtmlx.com + @license GPL, see license.txt +*/ +require_once("base_connector.php"); +require_once("grid_config.php"); + +//require_once("grid_dataprocessor.php"); + +/*! DataItem class for Grid component +**/ + +class GridDataItem extends DataItem{ + protected $row_attrs;//!< hash of row attributes + protected $cell_attrs;//!< hash of cell attributes + + function __construct($data,$name,$index=0){ + parent::__construct($data,$name,$index); + + $this->row_attrs=array(); + $this->cell_attrs=array(); + } + /*! set color of row + + @param color + color of row + */ + function set_row_color($color){ + $this->row_attrs["bgColor"]=$color; + } + /*! set style of row + + @param color + color of row + */ + function set_row_style($color){ + $this->row_attrs["style"]=$color; + } + /*! assign custom style to the cell + + @param name + name of column + @param value + css style string + */ + function set_cell_style($name,$value){ + $this->set_cell_attribute($name,"style",$value); + } + /*! assign custom class to specific cell + + @param name + name of column + @param value + css class name + */ + function set_cell_class($name,$value){ + $this->set_cell_attribute($name,"class",$value); + } + /*! set custom cell attribute + + @param name + name of column + @param attr + name of attribute + @param value + value of attribute + */ + function set_cell_attribute($name,$attr,$value){ + if (!array_key_exists($name, $this->cell_attrs)) $this->cell_attrs[$name]=array(); + $this->cell_attrs[$name][$attr]=$value; + } + + /*! set custom row attribute + + @param attr + name of attribute + @param value + value of attribute + */ + function set_row_attribute($attr,$value){ + $this->row_attrs[$attr]=$value; + } + + /*! return self as XML string, starting part + */ + public function to_xml_start(){ + if ($this->skip) return ""; + + $str="<row id='".$this->get_id()."'"; + foreach ($this->row_attrs as $k=>$v) + $str.=" ".$k."='".$v."'"; + $str.=">"; + for ($i=0; $i < sizeof($this->config->text); $i++){ + $str.="<cell"; + $name=$this->config->text[$i]["name"]; + if (isset($this->cell_attrs[$name])){ + $cattrs=$this->cell_attrs[$name]; + foreach ($cattrs as $k => $v) + $str.=" ".$k."='".$this->xmlentities($v)."'"; + } + $value = isset($this->data[$name]) ? $this->data[$name] : ''; + $str.="><![CDATA[".$value."]]></cell>"; + } + if ($this->userdata !== false) + foreach ($this->userdata as $key => $value) + $str.="<userdata name='".$key."'><![CDATA[".$value."]]></userdata>"; + + return $str; + } + /*! return self as XML string, ending part + */ + public function to_xml_end(){ + if ($this->skip) return ""; + + return "</row>"; + } +} +/*! Connector for the dhtmlxgrid +**/ +class GridConnector extends Connector{ + + /*! 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) $item_type="GridDataItem"; + if (!$data_type) $data_type="GridDataProcessor"; + if (!$render_type) $render_type="RenderStrategy"; + parent::__construct($res,$type,$item_type,$data_type,$render_type); + } + + + protected function parse_request(){ + parent::parse_request(); + + if (isset($_GET["dhx_colls"])) + $this->fill_collections($_GET["dhx_colls"]); + } + protected function resolve_parameter($name){ + if (intval($name).""==$name) + return $this->config->text[intval($name)]["db_name"]; + return $name; + } + + /*! replace xml unsafe characters + + @param string + string to be escaped + @return + escaped string + */ + protected function xmlentities($string) { + return str_replace( array( '&', '"', "'", '<', '>', '’' ), array( '&' , '"', ''' , '<' , '>', ''' ), $string); + } + + /*! assign options collection to the column + + @param name + name of the column + @param options + array or connector object + */ + public function set_options($name,$options){ + if (is_array($options)){ + $str=""; + foreach($options as $k => $v) + $str.="<item value='".$this->xmlentities($k)."' label='".$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=""){ + $names=explode(",",$list); + for ($i=0; $i < sizeof($names); $i++) { + $name = $this->resolve_parameter($names[$i]); + if (!array_key_exists($name,$this->options)){ + $this->options[$name] = new DistinctOptionsConnector($this->get_connection(),$this->names["db_class"]); + $c = new DataConfig($this->config); + $r = new DataRequestConfig($this->request); + $c->minimize($name); + + $this->options[$name]->render_connector($c,$r); + } + + $this->extra_output.="<coll_options for='{$names[$i]}'>"; + if (!is_string($this->options[$name])) + $this->extra_output.=$this->options[$name]->render(); + else + $this->extra_output.=$this->options[$name]; + $this->extra_output.="</coll_options>"; + } + } + + /*! renders self as xml, starting part + */ + protected function xml_start(){ + $attributes = ""; + foreach($this->attributes as $k=>$v) + $attributes .= " ".$k."='".$v."'"; + + if ($this->dload){ + if ($pos=$this->request->get_start()) + return "<rows pos='".$pos."'".$attributes.">"; + else + return "<rows total_count='".$this->sql->get_size($this->request)."'".$attributes.">"; + } + else + return "<rows".$attributes.">"; + } + + + /*! renders self as xml, ending part + */ + protected function xml_end(){ + return $this->extra_output."</rows>"; + } + + public function set_config($config = false){ + if (gettype($config) == 'boolean') + $config = new GridConfiguration($config); + + $this->event->attach("beforeOutput", Array($config, "attachHeaderToXML")); + $this->event->attach("onInit", Array($config, "defineOptions")); + } +} + +/*! DataProcessor class for Grid component +**/ +class GridDataProcessor extends DataProcessor{ + + /*! 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 == "gr_id") return $this->config->id["name"]; + $parts=explode("c",$data); + if ($parts[0]=="" && ((string)intval($parts[1]))==$parts[1]) + if (sizeof($this->config->text)>intval($parts[1])) + return $this->config->text[intval($parts[1])]["name"]; + return $data; + } +} +?>
\ No newline at end of file |