Controller.java

package sample;
import javafx.collections.FXCollections;
import javafx.collections.ObservableList;
import javafx.fxml.FXML;
import javafx.fxml.Initializable;
import javafx.scene.control.ListView;
import javafx.scene.control.TextField;
import jodd.json.JsonParser;
import jodd.json.JsonSerializer;

import java.io.File;
import java.io.FileWriter;
import java.io.IOException;
import java.net.URL;
import java.util.ArrayList;
import java.util.ResourceBundle;
import java.util.Scanner;
public class Controller implements Initializable {


    @FXML
    ListView todoList;
    @FXML
    TextField todoText;
    ObservableList<ToDoItem> todoItems = FXCollections.observableArrayList();
    ArrayList<ToDoItem> savableList;
    String controllerFileName = "controller.json";
    @Override

    public void initialize(URL location, ResourceBundle resources) {
        retrieveItem();
        if(savableList != null){
            todoItems.addAll(savableList);
        } else {
            savableList = new ArrayList<ToDoItem>();
        }
        todoList.setItems(todoItems);
    }
    public void addItem() {
        System.out.println("Adding item ...");
        todoItems.add(new ToDoItem(todoText.getText()));
        todoText.setText("");
        return;
    }

    public void removeItem() {
        System.out.println("Removing item ...");
        ToDoItem todoItem = (ToDoItem) todoList.getSelectionModel().getSelectedItem();
        System.out.println("Removing " + todoItem.text + " ...");
        todoItems.remove(todoItem);
    }

    public void toggleItem() {
        System.out.println("Toggling item ...");
        ToDoItem todoItem = (ToDoItem) todoList.getSelectionModel().getSelectedItem();
        if (todoItem != null) {
            todoItem.isDone = !todoItem.isDone;
            todoList.setItems(null);
            todoList.setItems(todoItems);
        }
    }

    public void saveItem() {

        try {
            File sampleFile = new File(controllerFileName);

            JsonSerializer jsonSerizlizer = new JsonSerializer().deep(true);
            MyToDoList theListObject = new MyToDoList(todoItems);
            String jsonString = jsonSerizlizer.serialize(theListObject);


            System.out.println(jsonString);


            FileWriter jsonWriter = new FileWriter(sampleFile);
            jsonWriter.write(jsonString);
            jsonWriter.close();


        } catch (Exception exception){
            exception.printStackTrace();
        }


    }

    public void retrieveItem() {
        try {

            Scanner fileScanner = new Scanner(new File(controllerFileName));
            fileScanner.useDelimiter("\\Z"); // read the input until the "end of the input" delimiter
            String fileContents = fileScanner.next();
            JsonParser ToDoItemParser = new JsonParser();
           MyToDoList returnList = ToDoItemParser.parse(fileContents, MyToDoList.class);
            savableList = returnList.todoItems;
        } catch (IOException ioException) {

        }
    }

    }

JSONTester.java

package sample;

/**
 * Created by Donta White on 4/22/2016.
 */
public class JSONTester {
    public static void main(String[] args){

    }

}

Main.java

package sample;

import javafx.application.Application;
import javafx.fxml.FXMLLoader;
import javafx.scene.Parent;
import javafx.scene.Scene;
import javafx.stage.Stage;

public class Main extends Application {

    @Override
    public void start(Stage primaryStage) throws Exception{
        Parent root = FXMLLoader.load(getClass().getResource("sample.fxml"));
        primaryStage.setTitle("Hello World");
        primaryStage.setScene(new Scene(root, 300, 275));
        primaryStage.show();
    }


    public static void main(String[] args) {
        launch(args);
    }
}

MyToDoList.java

package sample;

import java.util.ArrayList;
import java.util.List;

/**
 * Created by Donta White on 4/29/2016.
 */
public class MyToDoList {
    public ArrayList<ToDoItem> todoItems;

    public MyToDoList(List<ToDoItem> incomingList){
        todoItems = new ArrayList<ToDoItem>(incomingList);
    }

    public MyToDoList(){

    }

}

ToDoItem.java

package sample;

import javafx.beans.Observable;
import javafx.collections.ObservableList;

/**
 * Created by Donta White on 4/21/2016.
 */
public class ToDoItem {

    public String text;
    public boolean isDone;

    public ToDoItem(String text) {
        this.text = text;
        this.isDone = false;
    }



    public ToDoItem() {
    }


    @Override
    public String toString() {
        if (isDone) {
            return text + " (done)";
        } else {
            return text;
        }
        // A one-line version of the logic above:
        // return text + (isDone ? " (done)" : "");
    }



}