@Override
public boolean canImport(TransferSupport support) {
if (!support.isDataFlavorSupported(DominoTransferable.getFlavor())) return false;
if (!(support.getComponent() instanceof DominoDisplay)) return false;
return true;
}
/* (non-Javadoc)
* @see javax.swing.TransferHandler#importData(javax.swing.TransferHandler.TransferSupport)
*/
@Override
public boolean importData(TransferSupport support) {
try {
if (support.getComponent() instanceof JTree) {
JTree tree = (JTree) support.getComponent();
Point dropPoint = support.getDropLocation().getDropPoint();
TreePath path = tree.getPathForLocation(dropPoint.x, dropPoint.y);
Object node = path.getLastPathComponent();
if (support.isDataFlavorSupported(ProcessVar.PvDataFlavors[0])) {
ProcessVar tVar = (ProcessVar) ((PvTreeNode) node).getUserObject();
ProcessVar chldPv =
(ProcessVar) support.getTransferable().getTransferData(ProcessVar.PvDataFlavors[0]);
Object chldKey = chldPv.getKeyValue();
tVar.put(chldKey, chldPv, PvChangeEvent.PV_ADDED);
DefaultTreeModel model = (DefaultTreeModel) tree.getModel();
model.nodeStructureChanged((TreeNode) model.getRoot());
return true;
}
}
} catch (UnsupportedFlavorException e) {
ProcessVar.log.error(this.toString() + ":" + e.getMessage());
} catch (IOException e) {
ProcessVar.log.error(this.toString() + ":" + e.getMessage());
}
// anything else is handled by superclass
return super.importData(support);
}
/**
* Checks whether a callback has been registered for any of the data flavors supported by this
* drop event.
*
* @param support The TransferSupport describing the drop event.
* @return Whether or not a callback for any of the support's data flavors has been registered.
*/
@Override
public boolean canImport(final TransferSupport support) {
for (DataFlavor flavor : _callbackMapping.keySet()) {
final LinkedList<DropHandlerCallback> callbackLinkedList = _callbackMapping.get(flavor);
if (callbackLinkedList.size() > 0 && support.isDataFlavorSupported(flavor)) return true;
}
return false;
}
public boolean canImport(TransferSupport support) {
if (!inDrag || !support.isDataFlavorSupported(DATA_FLAVOUR)) {
return false;
}
JList.DropLocation dl = (JList.DropLocation) support.getDropLocation();
if (dl.getIndex() == -1) {
return false;
} else {
return true;
}
}
private boolean isDataFlavorValid(TransferSupport support) {
// only support string flavor, or a file list (if a file has been dragged into the tree)
return support.isDataFlavorSupported(DataFlavor.stringFlavor)
|| support.isDataFlavorSupported(DataFlavor.javaFileListFlavor);
}
/* (non-Javadoc)
* @see javax.swing.TransferHandler#canImport(javax.swing.TransferHandler.TransferSupport)
*/
@Override
public boolean canImport(TransferSupport support) {
return support != null && support.isDataFlavorSupported(ProcessVar.PvDataFlavors[0]);
}