/**
* Creates a new preview GUI.
* @param int $a_node_id The node id.
* @param int $a_context The context of the preview.
* @param int $a_obj_id The object id.
* @param object $a_access_handler The access handler to use.
*/
public function __construct($a_node_id = null, $a_context = self::CONTEXT_REPOSITORY, $a_obj_id = null, $a_access_handler = null)
{
global $ilCtrl, $lng, $ilAccess;
// if we are the base class, get the id's from the query string
if (strtolower($_GET["baseClass"]) == "ilpreviewgui") {
$this->node_id = (int) $_GET["node_id"];
$this->context = (int) $_GET["context"];
$a_obj_id = (int) $_GET['obj_id'];
} else {
$this->node_id = $a_node_id;
$this->context = $a_context;
}
// assign values
$this->ctrl =& $ilCtrl;
$this->lng =& $lng;
// access handler NOT provided?
if ($a_access_handler == null) {
if ($this->context == self::CONTEXT_WORKSPACE) {
include_once "./Services/PersonalWorkspace/classes/class.ilWorkspaceAccessHandler.php";
$a_access_handler = new ilWorkspaceAccessHandler();
} else {
$a_access_handler = $ilAccess;
}
}
$this->access_handler = $a_access_handler;
// object id NOT provided?
if ($a_obj_id == null) {
if ($this->context == self::CONTEXT_WORKSPACE) {
$a_obj_id = $this->access_handler->getTree()->lookupObjectId($this->node_id);
} else {
$a_obj_id = ilObject::_lookupObjId($this->node_id);
}
}
$this->obj_id = $a_obj_id;
// create preview object
$this->preview = new ilPreview($this->obj_id);
// if the call is NOT async initialize our stuff
if (!$ilCtrl->isAsynch()) {
ilPreviewGUI::initPreview();
}
}
