private File getSelectedOutputFile() {
		String filename = appendExporterFileExtension(filePathTextField.getText().trim());
		File outputFileName = new File(filename);
		if (outputFileName.getParent() == null) {
			File defaultParent = new File(System.getProperty("user.home"));
			outputFileName = new File(defaultParent, filename);
		}
		return outputFileName;
	}
Construct a new ExporterDialog for exporting a program, optionally only exported a
selected region.

@param graph the graph to save
@param exporters the list of known exporters
Ghidra/Features/GraphServices/src/main/java/ghidra/graph/export/GraphExporterDialog.java