public void run(String arg) {
ImageJ ij = IJ.getInstance();
ij.setDropTarget(null);
new DropTarget(ij, this);
new DropTarget(Toolbar.getInstance(), this);
new DropTarget(ij.getStatusBar(), this);
}
public void dragOver(DropTargetDragEvent e) {
if (IJ.debugMode) IJ.log("DragOver: " + e.getLocation());
Point loc = e.getLocation();
int buttonSize = Toolbar.getButtonSize();
int width = IJ.getInstance().getSize().width;
openAsVirtualStack = width - loc.x <= buttonSize;
if (openAsVirtualStack) IJ.showStatus("<<Open as Virtual Stack>>");
else IJ.showStatus("<<Drag and Drop>>");
}