/**
* Put this object into the skill tree
*/
static function putInTree($a_obj, $a_parent_id = "", $a_target_node_id = "")
{
$skill_tree = new ilSkillTree();
// determine parent
$parent_id = $a_parent_id != "" ? $a_parent_id : $skill_tree->getRootId();
// make a check, whether the type of object is allowed under
// the parent
$allowed = array("skrt" => array("skll", "scat", "sktr", "sktp", "sctp"), "scat" => array("skll", "scat", "sktr"), "sctp" => array("sktp", "sctp"));
$par_type = self::_lookupType($parent_id);
if (!is_array($allowed[$par_type]) || !in_array($a_obj->getType(), $allowed[$par_type])) {
return;
}
// determine target
if ($a_target_node_id != "") {
$target = $a_target_node_id;
} else {
// determine last child that serves as predecessor
$childs = $skill_tree->getChilds($parent_id);
if (count($childs) == 0) {
$target = IL_FIRST_NODE;
} else {
$target = $childs[count($childs) - 1]["obj_id"];
}
}
if ($skill_tree->isInTree($parent_id) && !$skill_tree->isInTree($a_obj->getId())) {
$skill_tree->insertNode($a_obj->getId(), $parent_id, $target);
}
}
/**
* Execute Drag Drop Action
*
* @param string $source_id Source element ID
* @param string $target_id Target element ID
* @param string $first_child Insert as first child of target
* @param string $movecopy Position ("move" | "copy")
*/
function executeDragDrop($source_id, $target_id, $first_child, $as_subitem = false, $movecopy = "move")
{
include_once "./Services/Skill/classes/class.ilSkillTree.php";
$tree = new ilSkillTree();
include_once "./Services/Skill/classes/class.ilSkillTreeNodeFactory.php";
$source_obj = ilSkillTreeNodeFactory::getInstance($source_id);
if (!$first_child) {
$target_obj = ilSkillTreeNodeFactory::getInstance($target_id);
$target_parent = $tree->getParentId($target_id);
}
// handle skills
if ($source_obj->getType() == "skll") {
if ($tree->isInTree($source_obj->getId())) {
$node_data = $tree->getNodeData($source_obj->getId());
// cut on move
if ($movecopy == "move") {
$parent_id = $tree->getParentId($source_obj->getId());
$tree->deleteTree($node_data);
}
// paste page
if (!$tree->isInTree($source_obj->getId())) {
if ($first_child) {
$target_pos = IL_FIRST_NODE;
$parent = $target_id;
} else {
if ($as_subitem) {
$parent = $target_id;
$target_pos = IL_FIRST_NODE;
$childs = $tree->getChildsByType($parent, array("skll", "scat"));
if (count($childs) != 0) {
$target_pos = $childs[count($childs) - 1]["obj_id"];
}
} else {
$target_pos = $target_id;
$parent = $target_parent;
}
}
// insert skill into tree
$tree->insertNode($source_obj->getId(), $parent, $target_pos);
}
}
}
// handle skil categories
if ($source_obj->getType() == "scat") {
$source_node = $tree->getNodeData($source_id);
$subnodes = $tree->getSubtree($source_node);
// check, if target is within subtree
foreach ($subnodes as $subnode) {
if ($subnode["obj_id"] == $target_id) {
return;
}
}
$target_pos = $target_id;
if ($first_child) {
$target_pos = IL_FIRST_NODE;
$target_parent = $target_id;
} else {
if ($as_subitem) {
$target_parent = $target_id;
$target_pos = IL_FIRST_NODE;
$childs = $tree->getChilds($target_parent);
if (count($childs) != 0) {
$target_pos = $childs[count($childs) - 1]["obj_id"];
}
}
}
// delete source tree
if ($movecopy == "move") {
$tree->deleteTree($source_node);
}
if (!$tree->isInTree($source_id)) {
$tree->insertNode($source_id, $target_parent, $target_pos);
// insert moved tree
if ($movecopy == "move") {
foreach ($subnodes as $node) {
if ($node["obj_id"] != $source_id) {
$tree->insertNode($node["obj_id"], $node["parent"]);
}
}
}
}
}
}
