private SourceCodeManager(Project project) {
super(project);
EditorActionManager.getInstance().setReadonlyFragmentModificationHandler(OverrideReadonlyFragmentModificationHandler.INSTANCE);
FileEditorManager editorManager = FileEditorManager.getInstance(project);
editorManager.addFileEditorManagerListener(DatabaseFileSystem.getInstance());
editorManager.addFileEditorManagerListener(new DBLanguageFileEditorListener());
}