@Override
	public JComponent createToolTipComponent() {
		if (graphObject == null) {
			return null;
		}

		String toolTip = getToolTipText();
		if (StringUtils.isBlank(toolTip)) {
			return null;
		}

		JToolTip jToolTip = new JToolTip();
		jToolTip.setTipText(toolTip);
		return jToolTip;
	}
Generates tool tips for an {@link AttributedVertex} or {@link AttributedEdge} in
an {@link AttributedGraph}
Ghidra/Features/GraphServices/src/main/java/ghidra/graph/visualization/AttributedToolTipInfo.java