function start()
{
$this->__buildHeader();
$attribs = array("obj_id" => "il_" . IL_INST_ID . "_exc_" . $this->exercise->getId());
if ($this->exercise->getOwner()) {
$attribs["owner"] = "il_" . IL_INST_ID . "_usr_" . $this->exercise->getOwner();
}
$this->xmlStartTag("Exercise", $attribs);
//todo: create new dtd for new assignment structure
$this->xmlElement("Title", null, $this->exercise->getTitle());
$this->xmlElement("Description", null, $this->exercise->getDescription());
//$this->xmlElement("Instruction", null,$this->exercise->getInstruction());
//$this->xmlElement("DueDate", null,$this->exercise->getTimestamp());
//todo: as a workaround use first assignment for compatibility with old exercise dtd
$assignments = ilExAssignment::getAssignmentDataOfExercise($this->exercise->getId());
if (count($assignments) > 0) {
foreach ($assignments as $assignment) {
$this->xmlStartTag("Assignment");
$this->xmlElement("Instruction", null, $assignment["instruction"]);
$this->xmlElement("DueDate", null, $assignment["deadline"]);
$this->handleAssignmentFiles($this->exercise->getId(), $assignment["id"]);
if ($this->attachMembers) {
$this->handleAssignmentMembers($this->exercise->getId(), $assignment["id"]);
}
$this->xmlEndTag("Assignment");
}
}
$this->xmlEndTag("Exercise");
$this->__buildFooter();
return true;
}
