public static IController open(MainModel model, String fxmlFile, String position){

            // Load person overview.
            FXMLLoader loader = new FXMLLoader();
            String extension = ".fxml";
            loader.setLocation(TextScape.class.getResource("/textscape/gui/view/" + fxmlFile + extension));
            Node window = null;
        try {
            window = loader.load();
        } catch (IOException ex) {
            Logger.getLogger(Window.class.getName()).log(Level.SEVERE, null, ex);
        }

            // Set person overview into the center of root layout.
            switch(position){
                case "left":
                    model.getBorderPane().setLeft(window);
                    break;
                case "right":
                    model.getBorderPane().setRight(window);
                    break;
                case "top":
                    model.getBorderPane().setTop(window);
                    break;
                case "bottom":
                    model.getBorderPane().setBottom(window);
                    break;
                case "center":
                    model.getBorderPane().setCenter(window);
                    break;
            }

            IController cont = loader.getController();
            cont.postInit(model);
            return cont;
        }