1#Usage: jjs -fx fxml_example.js
2#nashorn simple example using FXML with #javafx
3
4/*
5 * Copyright (c) 2015, Oracle and/or its affiliates. All rights reserved.
6 *
7 * Redistribution and use in source and binary forms, with or without
8 * modification, are permitted provided that the following conditions
9 * are met:
10 *
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12 *     notice, this list of conditions and the following disclaimer.
13 *
14 *   - Redistributions in binary form must reproduce the above copyright
15 *     notice, this list of conditions and the following disclaimer in the
16 *     documentation and/or other materials provided with the distribution.
17 *
18 *   - Neither the name of Oracle nor the names of its
19 *     contributors may be used to endorse or promote products derived
20 *     from this software without specific prior written permission.
21 *
22 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS
23 * IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
24 * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
25 * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE COPYRIGHT OWNER OR
26 * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
27 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
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32 * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
33 */
34
35// See also https://docs.oracle.com/javase/8/javafx/api/javafx/fxml/doc-files/introduction_to_fxml.html
36
37if (! $OPTIONS._fx) {
38    print("Usage: jjs -fx fxml_example.js");
39    exit(1);
40}
41
42// inline FXML document here
43var fxml = <<EOF
44
45<?import javafx.scene.*?>
46<?import javafx.scene.control.*?>
47<?import javafx.scene.layout.*?>
48
49<VBox xmlns:fx="http://javafx.com/fxml">
50    <children>
51    <!-- ids will be used script later -->
52    <HBox>
53        <Label text="Your name please:"/>
54        <TextField fx:id="nameText" text="Nashorn"/>
55    </HBox>
56    <Button fx:id="clickButton" text="Click!"/>
57    </children>
58</VBox>
59
60EOF
61
62// Java and FX classes used
63var ByteArrayInputStream = Java.type("java.io.ByteArrayInputStream");
64var FXMLLoader = Java.type("javafx.fxml.FXMLLoader");
65var Scene = Java.type("javafx.scene.Scene");
66
67function start(stage) {
68    var loader = new FXMLLoader();
69    // load FXML from a string
70    var root = loader.load(new ByteArrayInputStream(fxml.getBytes("UTF-8")));
71
72    // get the button and the text field controls
73    var button = root.lookup("#clickButton");
74    var textField = root.lookup("#nameText");
75
76    // event handler for button
77    var clickCount = 0;
78    button.onAction = function() {
79        print(textField.text + ", you clicked me: " + ++clickCount + " time(s)");
80    }
81
82    var scene = new Scene(root, 300, 275);
83    stage.title = "FXML Example";
84    stage.scene = scene;
85    stage.show();
86}
87