in src/main/jbake/assets/js/tree.jquery.js [1772:1787]
function GhostDropHint(node, $element, position) {
this.$element = $element;
this.node = node;
this.$ghost = $('<li class="jqtree_common jqtree-ghost"><span class="jqtree_common jqtree-circle"></span><span class="jqtree_common jqtree-line"></span></li>');
if (position === Position.AFTER) {
this.moveAfter();
} else if (position === Position.BEFORE) {
this.moveBefore();
} else if (position === Position.INSIDE) {
if (node.isFolder() && node.is_open) {
this.moveInsideOpenFolder();
} else {
this.moveInside();
}
}
}