/*
* Drop Event Handlers
*/
private TreeNode getNodeForEvent(DropTargetDragEvent dtde) {
Point p = dtde.getLocation();
DropTargetContext dtc = dtde.getDropTargetContext();
JTree tree = (JTree) dtc.getComponent();
TreePath path = tree.getClosestPathForLocation(p.x, p.y);
return (TreeNode) path.getLastPathComponent();
}
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);
DefaultMutableTreeNode parent = (DefaultMutableTreeNode) parentpath.getLastPathComponent();
try {
// Transferable tr = dtde.getTransferable(); // !!! this should work, but doesn't. after one
// click on the draggable node, this call here will not return the TransferableTreeNode that
// is created in dragGestureRecognized()
Transferable tr =
ObjectInspector
.transferNode; // therefore, we use this hack, which just stores the current
// transferable in a static variable
DataFlavor[] flavors = tr.getTransferDataFlavors();
for (int i = 0; i < flavors.length; i++) {
if (tr.isDataFlavorSupported(flavors[i])) {
dtde.acceptDrop(dtde.getDropAction());
TreePath p = (TreePath) tr.getTransferData(flavors[i]);
DefaultMutableTreeNode node = (DefaultMutableTreeNode) p.getLastPathComponent();
DefaultTreeModel model = (DefaultTreeModel) tree.getModel();
Object sourceObject = node.getUserObject();
FieldWrapperObjectTree targetField = ((FieldWrapperObjectTree) parent.getUserObject());
if (sourceObject != null) {
if (sourceObject instanceof FieldWrapperObjectTree) {
FieldWrapperObjectTree sourceField = (FieldWrapperObjectTree) sourceObject;
if (sourceField.getTheField().getType().equals(targetField.getTheField().getType())) {
targetField
.getTheField()
.set(
targetField.getOnObject(),
sourceField.getTheField().get(sourceField.getOnObject()));
}
} else if (sourceObject.getClass().equals(targetField.getTheField().getType())) {
targetField.getTheField().set(targetField.getOnObject(), sourceObject);
}
tree.invalidate();
tree.repaint();
}
dtde.dropComplete(true);
return;
}
}
dtde.rejectDrop();
} catch (Exception e) {
e.printStackTrace();
// dtde.rejectDrop();
}
}
@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);
DefaultMutableTreeNode parent = (DefaultMutableTreeNode) parentpath.getLastPathComponent();
if (!parent.isLeaf()) {
dtde.rejectDrop();
return;
}
try {
Transferable tr = dtde.getTransferable();
DataFlavor[] flavors = tr.getTransferDataFlavors();
for (int i = 0; i < flavors.length; i++) {
if (tr.isDataFlavorSupported(flavors[i])) {
dtde.acceptDrop(dtde.getDropAction());
EMedium eMedium = (EMedium) tr.getTransferData(flavors[i]);
TreeNodeUserData userData = (TreeNodeUserData) parent.getUserObject();
String shelfName = userData.getCaption();
if (isLibrarySelected(dtde)
&& shelfName.equals(AppProperties.INSTANCE.RENTALS_SHELF_NAME)) {
if (!uiDelegate.addRentalEMedium(eMedium))
JOptionPane.showMessageDialog(
frame, "Cannot rent e-medium!", "Add document error", JOptionPane.ERROR_MESSAGE);
} else if (!isLibrarySelected(dtde)
&& !shelfName.equals(AppProperties.INSTANCE.RENTALS_SHELF_NAME)) {
if (!uiDelegate.addEMediumShelf(shelfName, eMedium))
JOptionPane.showMessageDialog(
frame, "Duplicated e-medium!", "Add document error", JOptionPane.ERROR_MESSAGE);
} else
JOptionPane.showMessageDialog(
frame,
"Need to rent the e-medium first!",
"Add document error",
JOptionPane.ERROR_MESSAGE);
dtde.dropComplete(true);
return;
}
}
// dtde.rejectDrop();
} catch (OperationNotSupportedException e) {
JOptionPane.showMessageDialog(
frame,
"Cannot add a document to this shelf",
"Add document error",
JOptionPane.ERROR_MESSAGE);
} catch (Exception e) {
e.printStackTrace();
}
}
@Override
public void drop(DropTargetDropEvent dtde) {
if (dtde.isDataFlavorSupported(CardFlavor.cardFlavor) && this.canDrop) {
Transferable trans = dtde.getTransferable();
try {
Object data = trans.getTransferData(CardFlavor.cardFlavor);
CardWindow card = (CardWindow) data;
DropTargetContext context = dtde.getDropTargetContext();
CardCollection comp = (CardCollection) context.getComponent();
Container parent = comp.getParent();
GameController.getController(false)
.makeMove(
CardCollection.getMoveFromIndex(
comp.getCardMouseLocation(), new OrderedCard(card.card, card.cardLocation)));
if (parent != null) parent.remove(card);
comp.setCard(card, comp.getCardMouseLocation());
dtde.acceptDrop(DnDConstants.ACTION_MOVE);
comp.validate();
comp.repaint();
dtde.dropComplete(true);
} catch (Exception e) {
dtde.rejectDrop();
dtde.dropComplete(false);
JOptionPane.showMessageDialog(
MainWindow.getMainWindow(),
"Invalid move.",
"Invalid Move Error",
JOptionPane.ERROR_MESSAGE);
e.printStackTrace();
}
} else {
dtde.rejectDrop();
dtde.dropComplete(false);
JOptionPane.showMessageDialog(
MainWindow.getMainWindow(),
"Invalid move.",
"Invalid Move Error",
JOptionPane.ERROR_MESSAGE);
}
}
@Override
public void dragEnter(DropTargetDragEvent dtde) {
if (!dtde.isDataFlavorSupported(TransferableUDO.UDO_FLAVOR)
&& !dtde.isDataFlavorSupported(TransferableUDO.UDO_CAT_FLAVOR)) {
dtde.rejectDrag();
return;
}
Point p = dtde.getLocation();
DropTargetContext dtc = dtde.getDropTargetContext();
JTree tree = (JTree) dtc.getComponent();
TreePath path = tree.getClosestPathForLocation(p.x, p.y);
if (path.getLastPathComponent() instanceof UDOCategory) {
dtde.acceptDrag(dtde.getDropAction());
} else if (dtde.isDataFlavorSupported(TransferableUDO.UDO_FLAVOR)) {
dtde.acceptDrag(dtde.getDropAction());
} else {
dtde.rejectDrag();
}
}
@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();
}
}