package ${package};

 import net.java.html.json.ComputedProperty;

 import net.java.html.json.Function;

 import net.java.html.json.Model;

 import net.java.html.json.Property;

 /** Model annotation generates class Data with 

  * one message property, boolean property and read only words property

  */

 @Model(className = "Data", properties = {

     @Property(name = "message", type = String.class),

     @Property(name = "on", type = boolean.class)

 })

 final class DataModel {

     @ComputedProperty static java.util.List<String> words(String message) {

         String[] arr = new String[6];

         String[] words = message == null ? new String[0] : message.split(" ", 6);

         for (int i = 0; i < 6; i++) {

             arr[i] = words.length > i ? words[i] : "!";

         }

         return java.util.Arrays.asList(arr);

     }

     @Function static void turnOn(Data model) {

         model.setOn(true);

     }

     @Function static void turnOff(final Data model) {

         confirmByUser("Really turn off?", new Runnable() {

             @Override

             public void run() {

                 model.setOn(false);

             }

         });

     }

     /** Shows direct interaction with JavaScript */

     @net.java.html.js.JavaScriptBody(

         args = { "msg", "callback" }, 

         javacall = true, 

         body = "alert(msg); callback.@java.lang.Runnable::run()();"

     )

     static native void confirmByUser(String msg, Runnable callback);

 }