/**
* swaps positions of two objects
*
* @access private
* @param string $parentID the parentID
* @param string $objectID the object to swap
* @param string $oldposition the old position
* @param string $direction the direction to swap
*/
function swapPosition($parentID, $objectID, $oldposition, $direction)
{
if ($parentID == ROOT_BLOCK) {
$group = $this->tree->eval;
} else {
$group =& $this->tree->getGroupObject($parentID);
}
$numberchildren = $group->getNumberChildren();
$instance = $group->x_instanceof();
if ($direction == "up") {
if ($oldposition == 0) {
$newposition = $numberchildren - 1;
} else {
$newposition = $oldposition - 1;
}
} else {
if ($oldposition == $numberchildren - 1) {
$newposition = 0;
} else {
$newposition = $oldposition + 1;
}
}
while ($swapitem = $group->getNextChild()) {
if ($swapitem->getPosition() == $newposition) {
$swapitem->setPosition($oldposition);
$swapitem->save();
}
}
if ($parentID != ROOT_BLOCK && $group->getChildType() == "EvaluationQuestion") {
$object = new EvaluationQuestion($objectID);
} else {
$object =& $this->tree->getGroupObject($objectID);
}
$object->setPosition($newposition);
$object->save();
if ($swapitem->isError) {
return EvalCommon::showErrorReport($swapitem, _("Fehler beim verschieben."));
}
if ($object->isError) {
return EvalCommon::showErrorReport($object, _("Fehler beim verschieben."));
}
}
}
} else {
$template_answers = array();
}
}
if (!$template_id) {
$template_id = Request::option('template_id');
}
/* ---------------------------------------------------------- end: variables */
if (Request::option('onthefly') && ($command == "delete" || $command == "add_answers" || $command == "delete_answers" || $command == "save2")) {
$question = new EvaluationQuestion($template_id, NULL, EVAL_LOAD_ALL_CHILDREN);
$question->setMultiplechoice($template_multiple);
$question->setText(trim($template_name), YES);
$question->setType($template_type);
$question->setParentID($parentID);
$question->setPosition($template_position);
while ($answerrem = $question->getChild()) {
$id = $answerrem->getObjectID();
$answerrem->delete();
$question->removeChildID($id);
}
$controlnumber = count($template_answers);
for ($i = 0; $i < $controlnumber; $i++) {
$text = $template_answers[$i]['text'];
$answerID = $template_answers[$i]['answer_id'];
$answer = new EvaluationAnswer();
$answer->setObjectID($answerID);
$answer->setText(trim($text), YES);
$answer->setParentID($template_id);
$question->addChild($answer);
}