@Override
	public boolean isDropOk(DropTargetDragEvent e) {
		DataFlavor[] flavors = e.getCurrentDataFlavors();
		Transferable transferable = e.getTransferable();
		try {
			return checkForDrop(flavors, transferable);
		}
		catch (UnsupportedFlavorException e1) {
			// don't care; return false
		}
		catch (IOException e1) {
			// don't care; return false
		}
		return false;
	}
Construct a tool label that represents a running tool.
Ghidra/Framework/Project/src/main/java/ghidra/framework/main/ToolButton.java