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#// Usage: jjs -fx time_color.js [-- true/false]
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/*
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* Copyright (c) 2014, Oracle and/or its affiliates. All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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*
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* - Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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*
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* - Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* - Neither the name of Oracle nor the names of its
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* contributors may be used to endorse or promote products derived
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* from this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS
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* IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
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* THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
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* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR
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* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
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* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
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* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
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* PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
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* LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
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* NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
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* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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// A simple javafx program that changes background color
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// of scene based on current time value (once per sec).
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// inspired by http://whatcolourisit.scn9a.org/
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if (!$OPTIONS._fx) {
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print("Usage: jjs -fx time_color.js");
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print(" jjs -fx time_color.js -- true");
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exit(1);
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}
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// JavaFX classes used
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var Color = Java.type("javafx.scene.paint.Color");
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var Group = Java.type("javafx.scene.Group");
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var Label = Java.type("javafx.scene.control.Label");
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var Platform = Java.type("javafx.application.Platform");
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var Scene = Java.type("javafx.scene.Scene");
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var Timer = Java.type("java.util.Timer");
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// execute function periodically once per given time in millisec
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function setInterval(func, ms) {
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// New timer, run as daemon so the application can quit
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var timer = new Timer("setInterval", true);
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timer.schedule(function() Platform.runLater(func), ms, ms);
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return timer;
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}
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// do you want to flip hour/min/sec for RGB?
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var flip = arguments.length > 0? "true".equals(arguments[0]) : false;
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// JavaFX start method
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function start(stage) {
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start.title = "Time Color";
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var root = new Group();
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var label = new Label("time");
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label.textFill = Color.WHITE;
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root.children.add(label);
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stage.scene = new Scene(root, 700, 500);
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setInterval(function() {
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var d = new Date();
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var hours = d.getHours();
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var mins = d.getMinutes();
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var secs = d.getSeconds();
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if (hours < 10) hours = "0" + hours;
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if (mins < 10) mins = "0" + mins;
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if (secs < 10) secs = "0" + secs;
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var hex = flip?
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"#" + secs + mins + hours : "#" + hours + mins + secs;
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label.text = "Color: " + hex;
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stage.scene.fill = Color.web(hex);
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}, 1000);
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stage.show();
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}