-int AbstractTreeItem::row() const {
- if(!parent())
- return -1;
- else
- return parent()->_childItems.indexOf(const_cast<AbstractTreeItem *>(this));
+bool AbstractTreeItem::reParent(AbstractTreeItem *newParent) {
+ // currently we support only re parenting if the child that's about to be
+ // adopted does not have any children itself.
+ if(childCount() != 0) {
+ qDebug() << "AbstractTreeItem::reParent(): cannot reparent" << this << "with children.";
+ return false;
+ }
+
+ int oldRow = row();
+ if(oldRow == -1)
+ return false;
+
+ emit parent()->beginRemoveChilds(oldRow, oldRow);
+ parent()->_childItems.removeAt(oldRow);
+ emit parent()->endRemoveChilds();
+
+ AbstractTreeItem *oldParent = parent();
+ setParent(newParent);
+
+ bool success = newParent->newChild(this);
+ if(!success)
+ qWarning() << "AbstractTreeItem::reParent(): failed to attach to new parent after removing from old parent! this:" << this << "new parent:" << newParent;
+
+ if(oldParent)
+ oldParent->checkForDeletion();
+
+ return success;