#// Usage: jjs -fx time_color.js [-- true/false]

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// A simple javafx program that changes background color

// of scene based on current time value (once per sec).

// inspired by http://whatcolourisit.scn9a.org/

if (!$OPTIONS._fx) {

    print("Usage: jjs -fx time_color.js");

    print("       jjs -fx time_color.js -- true");

    exit(1);

}

// JavaFX classes used

var Color = Java.type("javafx.scene.paint.Color");

var Group = Java.type("javafx.scene.Group");

var Label = Java.type("javafx.scene.control.Label");

var Platform = Java.type("javafx.application.Platform");

var Scene = Java.type("javafx.scene.Scene");

var Timer = Java.type("java.util.Timer");

// execute function periodically once per given time in millisec

function setInterval(func, ms) {

    // New timer, run as daemon so the application can quit

    var timer = new Timer("setInterval", true);

    timer.schedule(function() Platform.runLater(func), ms, ms);	

    return timer;

}

// do you want to flip hour/min/sec for RGB?

var flip = arguments.length > 0? "true".equals(arguments[0]) : false;

// JavaFX start method

function start(stage) {

    stage.title = "Time Color";

    var root = new Group();

    var label = new Label("time");

    label.textFill = Color.WHITE;

    root.children.add(label); 

    stage.scene = new Scene(root, 700, 500);

    setInterval(function() {

        var d = new Date();

        var hours = d.getHours();

	var mins = d.getMinutes();

	var secs = d.getSeconds();

        if (hours < 10) hours = "0" + hours;

        if (mins < 10) mins = "0" + mins;

        if (secs < 10) secs = "0" + secs;

	var hex = flip?

            "#" + secs + mins + hours : "#" + hours + mins + secs;

        label.text = "Color: " + hex;

        stage.scene.fill = Color.web(hex);

    }, 1000);

    stage.show();

}