public void changeLayout(FGLayoutProvider newLayout) {
		FGLayoutProvider previousLayout = (FGLayoutProvider) view.getLayoutProvider();
		view.setLayoutProvider(newLayout);

		if (previousLayout == null) {
			provider.refreshAndResetPerspective();
			return;
		}

		String previousLayoutName = previousLayout.getLayoutName();
		String newLayoutName = newLayout.getLayoutName();
		if (previousLayoutName.equals(newLayoutName)) {
			view.relayout();
		}
		else {
			provider.refreshAndResetPerspective();
		}
	}
Sets the message that will appear in the lower part of the graph.

@param message the message to display
Ghidra/Features/FunctionGraph/src/main/java/ghidra/app/plugin/core/functiongraph/mvc/FGController.java