private void openProjectView() {

		GhidraFileChooser fileChooser = plugin.createFileChooser(LAST_VIEWED_PROJECT_DIRECTORY);
		ProjectLocator projectView =
			plugin.chooseProject(fileChooser, "Select", LAST_VIEWED_PROJECT_DIRECTORY);
		if (projectView != null) {
			openView(projectView.getURL());
		}
		fileChooser.dispose();
	}
menu listener for Project | Add View...
Ghidra/Framework/Project/src/main/java/ghidra/framework/main/ProjectActionManager.java