private String getCurrentDisplayText() {

		String baseDisplayText = dataType.getName();

		UniversalID localID = dataType.getDataTypeManager().getUniversalID();
		SourceArchive sourceArchive = dataType.getSourceArchive();
		if (sourceArchive != null && sourceArchive.getArchiveType() != ArchiveType.BUILT_IN &&
			!sourceArchive.getSourceArchiveID().equals(localID)) {
			return baseDisplayText + "  (" + sourceArchive.getName() + ")";
		}

		return baseDisplayText;
	}
Returns true if this dataType node uses and editor that is different than Java's default
editor.

@return true if this dataType node has a custom editor.
Ghidra/Features/Base/src/main/java/ghidra/app/plugin/core/datamgr/tree/DataTypeNode.java