@Override
	void refreshModel() {
		listingPanel.refreshModel();

		if (previewListingPanel != null) {
			previewListingPanel.refreshModel();
		}
	}
Signals to rebuild this component's data model.  This call should not do any real work
if the model is not 'dirty'.
Ghidra/Features/FunctionGraph/src/main/java/ghidra/app/plugin/core/functiongraph/graph/vertex/ListingGraphComponentPanel.java