.
if (!defined('EG')) die('Direct access not allowed!');
//class to create the popup menu
class Helper_Popup extends Helper_Html {
public $popupArray = array(); //array of popup objects (see popup.php)
public $url = null; //the url (controller/action) to link by means of the popup menù
// public $fieldArg = null; //the key of the viewArgs array to set to the field in the where clause
// public $valueArg = null; //the key of the viewArgs array to be set to the value in the where clause
public $pageArg = null; //the key of the viewArgs array representing the page number. $this->viewArgs[$this->pageArg] is set to 1 if $this->pageArg !== null
//the type of the popup. If type !=exclusive, than each voice selected is added to the where clause. If type=exclusive, the selection of a popup voice causes the unselection of the other voices
public $type = null;
//list of popup names
public $popupItems = array();
public function build($url, $popupArray = null, $type = 'exclusive', $pageArg = null) {
$this->url = $url;
$this->popupArray = $popupArray;
$this->pageArg = $pageArg;
$this->type = $type;
foreach ($this->popupArray as $field => $popup)
{
$this->popupItems[] = $field;
}
}
//check that the ViewArgs array is complete
public function checkViewArgs()
{
foreach ($this->popupArray as $field => $popup)
{
if (!array_key_exists($field,$this->viewArgs)) return false;
}
return true;
}
//unselect the voices different from the current one
public function unselect($currentVoice)
{
foreach ($this->popupItems as $item)
{
if (strcmp($item,$currentVoice) !== 0) $this->viewArgs[$item] = Params::$nullQueryValue;
}
}
public function render() {
$returnString = null;
if ($this->checkViewArgs())
{
if (isset($this->viewArgs[$this->pageArg]))
{
$this->viewArgs[$this->pageArg] = 1;
}
foreach ($this->popupArray as $field => $popup)
{
if ($this->type === 'exclusive') $this->unselect($field);
//save the value of the current ViewArg
$tempArg = $this->viewArgs[$field];
$returnString .= "\n";
$this->viewArgs[$field] = $tempArg;
}
if (count($this->popupArray)>0) {
$returnString .= "\n";
}
}
return $returnString;
}
}