public boolean isDragAcceptable(DropTargetDragEvent event) { // usually, you
// check the
// available
// data flavors
// here
// in this program, we accept all flavors
return (event.getDropAction() & DnDConstants.ACTION_COPY_OR_MOVE) != 0;
}
private void acceptDrag(DropTargetDragEvent dtde) {
int dragaction = dtde.getDropAction();
if (dragaction != 0) {
dtde.acceptDrag(dragaction);
} else {
dtde.acceptDrag(ALL_ACTIONS);
}
}
private void checkDrag(DropTargetDragEvent dtde) {
int da = dtde.getDropAction();
if (dtde.getCurrentDataFlavors().length == 0) {
JConfig.log().logVerboseDebug("Zero length accepted... (" + da + ")");
acceptDrag(dtde);
return;
}
if (testAllFlavors(dtde) != null) {
JConfig.log().logVerboseDebug("Accepting drag! (" + da + ")");
acceptDrag(dtde);
} else {
dtde.rejectDrag();
JConfig.log().logVerboseDebug("Rejecting drag! (" + da + ")");
}
}
