public int getIndexOfChild(Object parent, Object child) {
UDOCategory category = (UDOCategory) parent;
if (category == null || child == null) {
return -1;
}
int retVal = ListUtil.indexOfByRef(category.getSubCategories(), child);
if (retVal >= 0) {
return retVal;
}
retVal = ListUtil.indexOfByRef(category.getUserDefinedOpcodes(), child);
if (retVal >= 0) {
return retVal + category.getSubCategories().size();
}
return -1;
}
@Override
public void drop(DropTargetDropEvent dtde) {
Point pt = dtde.getLocation();
DropTargetContext dtc = dtde.getDropTargetContext();
JTree tree = (JTree) dtc.getComponent();
TreePath parentpath = tree.getClosestPathForLocation(pt.x, pt.y);
Object node = parentpath.getLastPathComponent();
if (dtde.isDataFlavorSupported(TransferableUDO.UDO_CAT_FLAVOR)) {
if (!(node instanceof UDOCategory)) {
dtde.rejectDrop();
return;
}
if (dtde.getDropAction() == DnDConstants.ACTION_MOVE) {
dtde.acceptDrop(dtde.getDropAction());
Transferable tr = dtde.getTransferable();
try {
Object transferNode = tr.getTransferData(TransferableUDO.UDO_CAT_FLAVOR);
UDOCategory udoCategory = (UDOCategory) transferNode;
UDOCategory parentNode = (UDOCategory) node;
UDOLibrary udoLibrary = (UDOLibrary) tree.getModel();
udoLibrary.addCategory(parentNode, udoCategory);
dtde.dropComplete(true);
} catch (UnsupportedFlavorException | IOException e) {
dtde.dropComplete(false);
}
} else {
dtde.rejectDrop();
}
} else if (dtde.isDataFlavorSupported(TransferableUDO.UDO_FLAVOR)) {
dtde.acceptDrop(dtde.getDropAction());
try {
Transferable tr = dtde.getTransferable();
Object transferNode = tr.getTransferData(TransferableUDO.UDO_FLAVOR);
UserDefinedOpcode udo = (UserDefinedOpcode) transferNode;
UDOLibrary udoLibrary = (UDOLibrary) tree.getModel();
// iLibrary.removeInstrument(instrument);
if (node instanceof UDOCategory) {
UDOCategory parentNode = (UDOCategory) node;
udoLibrary.addUDO(parentNode, udo);
} else if (node instanceof UserDefinedOpcode) {
UDOCategory parentNode =
(UDOCategory) parentpath.getPathComponent(parentpath.getPathCount() - 2);
int index = ListUtil.indexOfByRef(parentNode.getUserDefinedOpcodes(), node);
int closestRow = tree.getClosestRowForLocation(pt.x, pt.y);
Rectangle bounds = tree.getRowBounds(closestRow);
if (pt.y > bounds.y + bounds.height) {
udoLibrary.addUDO(parentNode, udo);
} else {
udoLibrary.addUDO(parentNode, index, udo);
}
}
dtde.dropComplete(true);
} catch (UnsupportedFlavorException | IOException e) {
dtde.dropComplete(false);
}
} else {
dtde.rejectDrop();
}
}