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8078174: Add few FX and parser API samples for nashorn

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Reviewed-by: hannesw, lagergren
This commit is contained in:
Athijegannathan Sundararajan 2015-04-20 19:41:44 +05:30
parent bc04834c26
commit dbbb8bf78e
8 changed files with 687 additions and 0 deletions
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<!-- simple self-contained .fxml file -->
<!--
* Copyright (c) 2015, Oracle and/or its affiliates. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* - Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
*
* - Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* - Neither the name of Oracle nor the names of its
* contributors may be used to endorse or promote products derived
* from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS
* IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
* THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR
* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
* PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
* LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
* NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
-->
<?import javafx.scene.*?>
<?import javafx.scene.control.*?>
<?import javafx.scene.layout.*?>
<?language javascript?>
<VBox xmlns:fx="http://javafx.com/fxml">
<!-- script to handle events -->
<fx:script>
// button click handler
var clickCount = 0;
function onButtonClick(event) {
// get another control via scene object
var scene = event.source.scene;
var textField = scene.lookup("#nameText");
print(textField.text + ", you clicked " + ++clickCount + " times!");
}
</fx:script>
<!-- GUI description -->
<children>
<HBox>
<Label text="Your name please:"/>
<TextField fx:id="nameText" text="Nashorn"/>
</HBox>
<Button text="Click!" onAction="onButtonClick(event)"/>
</children>
</VBox>

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/*
* Copyright (c) 2015, Oracle and/or its affiliates. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* - Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
*
* - Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* - Neither the name of Oracle nor the names of its
* contributors may be used to endorse or promote products derived
* from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS
* IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
* THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR
* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
* PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
* LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
* NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
// Nashorn port of ColorfulCircles.java JavaFX animation example at
// https://docs.oracle.com/javafx/2/get_started/ColorfulCircles.java.html
// ColorfulCircles.java is under the following license terms:
/*
* Copyright (c) 2011, 2012 Oracle and/or its affiliates.
* All rights reserved. Use is subject to license terms.
*
* This file is available and licensed under the following license:
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* - Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* - Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in
* the documentation and/or other materials provided with the distribution.
* - Neither the name of Oracle nor the names of its
* contributors may be used to endorse or promote products derived
* from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
* OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
// Usage: jjs -fx colorfulcircles.fx
// Porting note: No imports - just load these fx scripts!
load("fx:controls.js");
load("fx:graphics.js");
// Porting note: whatever is inside
// public void start(Stage primaryStage)
// goes into "start" function
function start(primaryStage) {
// Porting note: Replace types with 'var'. "Group root" becomes "var root".
// and so on..
var root = new Group();
var scene = new Scene(root, 800, 600, Color.BLACK);
primaryStage.setScene(scene);
var circles = new Group();
// Porting note: for (int i = 0....) becomes for (var i = 0...)
for (var i = 0; i < 30; i++) {
var circle = new Circle(150, Color.web("white", 0.05));
circle.setStrokeType(StrokeType.OUTSIDE);
circle.setStroke(Color.web("white", 0.16));
circle.setStrokeWidth(4);
circles.getChildren().add(circle);
}
// Porting note: There is no "f" suffix for float literals in JS.
// LinearGradient(0f, 1f, 1f, 0f,..) becomes just
// LinearGradient(0, 1, 1, 0,..)
// Porting note: LinearGradient's constructor is a varargs method
// No need to create Stop[] just pass more Stop objects at the end!
var colors = new Rectangle(scene.getWidth(), scene.getHeight(),
new LinearGradient(0, 1, 1, 0, true, CycleMethod.NO_CYCLE,
new Stop(0, Color.web("#f8bd55")),
new Stop(0.14, Color.web("#c0fe56")),
new Stop(0.28, Color.web("#5dfbc1")),
new Stop(0.43, Color.web("#64c2f8")),
new Stop(0.57, Color.web("#be4af7")),
new Stop(0.71, Color.web("#ed5fc2")),
new Stop(0.85, Color.web("#ef504c")),
new Stop(1, Color.web("#f2660f"))));
colors.widthProperty().bind(scene.widthProperty());
colors.heightProperty().bind(scene.heightProperty());
var blendModeGroup =
new Group(new Group(new Rectangle(scene.getWidth(), scene.getHeight(),
Color.BLACK), circles), colors);
colors.setBlendMode(BlendMode.OVERLAY);
root.getChildren().add(blendModeGroup);
circles.setEffect(new BoxBlur(10, 10, 3));
// Porting note: Java code uses static import of
// java.lang.Math.random. Just use JS Math.random here
var random = Math.random;
var timeline = new Timeline();
// Porting note: Java enhanced for loop
// for (Node circle : circles.getChildren())
// becomes
// for each (var circle: circles.getChildren())
for each (var circle in circles.getChildren()) {
timeline.getKeyFrames().addAll(
new KeyFrame(Duration.ZERO, // set start position at 0
new KeyValue(circle.translateXProperty(), random() * 800),
new KeyValue(circle.translateYProperty(), random() * 600)),
new KeyFrame(new Duration(40000), // set end position at 40s
new KeyValue(circle.translateXProperty(), random() * 800),
new KeyValue(circle.translateYProperty(), random() * 600)));
}
// play 40s of animation
timeline.play();
primaryStage.show();
}

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#simple color picker example
/*
* Copyright (c) 2015, Oracle and/or its affiliates. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* - Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
*
* - Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* - Neither the name of Oracle nor the names of its
* contributors may be used to endorse or promote products derived
* from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS
* IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
* THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR
* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
* PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
* LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
* NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
if (! $OPTIONS._fx) {
print("Usage: jjs -fx colorpick.js");
exit(1);
}
var ColorPicker = Java.type("javafx.scene.control.ColorPicker");
var Scene = Java.type("javafx.scene.Scene");
function start(stage) {
var picker = new ColorPicker();
// just print color details in stdout for fun!
picker.onAction = function(evt) {
var ld = Object.bindProperties({}, picker.value);
print(JSON.stringify(ld));
}
var scene = new Scene(picker, 200, 30);
stage.scene = scene;
stage.show();
}

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#simple sample to use #javafx8 date picker with #nashorn
/*
* Copyright (c) 2015, Oracle and/or its affiliates. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* - Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
*
* - Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* - Neither the name of Oracle nor the names of its
* contributors may be used to endorse or promote products derived
* from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS
* IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
* THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR
* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
* PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
* LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
* NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
if (! $OPTIONS._fx) {
print("Usage: jjs -fx datepick.js");
exit(1);
}
load("fx:controls.js");
function start(stage) {
var picker = new DatePicker();
picker.onAction = function(evt) {
var ld = Object.bindProperties({}, picker.value);
print(JSON.stringify(ld));
}
var scene = new Scene(picker, 100, 30);
stage.scene = scene;
stage.show();
}

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/*
* Copyright (c) 2015, Oracle and/or its affiliates. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* - Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
*
* - Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* - Neither the name of Oracle nor the names of its
* contributors may be used to endorse or promote products derived
* from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS
* IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
* THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR
* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
* PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
* LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
* NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
// Usage: jjs -scripting flexijson.js fjson.js
var obj = FlexiJSON.parse(<<EOF
// this is a comment
{
foo: 23,
bar: [ 34, 454, 54,],
// inline comment here
/** multi line
comments are fine too! */
# shell style line comment is fine!
regex: /gdfg/i, // regexp literal
str: <<END
Multiple line strings via nashorn
-scripting mode extension as well
END
}
EOF)
print(obj.foo);
print(obj.bar);
print(obj.regex);
print(obj.str);

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/*
* Copyright (c) 2015, Oracle and/or its affiliates. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* - Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
*
* - Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* - Neither the name of Oracle nor the names of its
* contributors may be used to endorse or promote products derived
* from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS
* IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
* THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR
* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
* PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
* LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
* NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
/*
* Hjson - "the Human JSON - A configuration file format that
* caters to humans and helps reduce the errors they make"
* See also: http://hjson.org/
*
* I wanted to see if we can use Nashorn Parser API (jdk9) to support
* similar flexible JSON extension with #nashorn. In this FlexiJSON.parse
* implementation, Nashorn Parser API is used to validate that the
* extendable flexi JSON is "data only" (i.e., no executable code) and
* then 'eval'ed to make an object out of it.
*
* FlexiJSON allows the following:
*
* * single and mutliple line comments anywhere
* * non-quoted property names and values
* * regexp literal values
* * omitting trailing comma
*
* When nashorn -scripting mode is enabled, FlexiJSON supports these
* as well:
*
* * shell style # comments
* * multiple line (Unix heredoc style) string values
*/
"use strict";
function FlexiJSON() {}
// helper to locate Nashorn Parser API classes
FlexiJSON.treeType = function(name) {
return Java.type("jdk.nashorn.api.tree." + name);
}
// Nashorn Parser API classes used
FlexiJSON.ArrayLiteral = FlexiJSON.treeType("ArrayLiteralTree");
FlexiJSON.ExpressionStatement = FlexiJSON.treeType("ExpressionStatementTree");
FlexiJSON.ObjectLiteral = FlexiJSON.treeType("ObjectLiteralTree");
FlexiJSON.RegExpLiteral = FlexiJSON.treeType("RegExpLiteralTree");
FlexiJSON.Literal = FlexiJSON.treeType("LiteralTree");
FlexiJSON.Parser = FlexiJSON.treeType("Parser");
FlexiJSON.SimpleTreeVisitor = FlexiJSON.treeType("SimpleTreeVisitorES5_1");
// FlexiJSON.parse API
FlexiJSON.parse = function(str) {
var parser = (typeof $OPTIONS == "undefined")?
FlexiJSON.Parser.create() :
FlexiJSON.Parser.create("-scripting");
// force the string to be an expression by putting it inside (, )
str = "(" + str + ")";
var ast = parser.parse("<flexijsondoc>", str, null);
// Should not happen. parse would have thrown syntax error
if (!ast) {
return undefined;
}
// allowed 'literal' values in flexi JSON
function isLiteral(node) {
return node instanceof FlexiJSON.ArrayLiteral ||
node instanceof FlexiJSON.Literal ||
node instanceof FlexiJSON.ObjectLiteral ||
node instanceof FlexiJSON.RegExpLiteral;
}
var visitor;
ast.accept(visitor = new (Java.extend(FlexiJSON.SimpleTreeVisitor)) {
lineMap: null,
throwError: function(msg, node) {
if (this.lineMap) {
var pos = node.startPosition;
var line = this.lineMap.getLineNumber(pos);
var column = this.lineMap.getColumnNumber(pos);
// we introduced extra '(' at start. So, adjust column number
msg = msg + " @ " + line + ":" + (column - 1);
}
throw new TypeError(msg);
},
visitLiteral: function(node, extra) {
print(node.value);
},
visitExpressionStatement: function(node, extra) {
var expr = node.expression;
if (isLiteral(expr)) {
expr.accept(visitor, extra);
} else {
this.throwError("only literals can occur", expr);
}
},
visitArrayLiteral: function(node, extra) {
for each (var elem in node.elements) {
if (isLiteral(elem)) {
elem.accept(visitor, extra);
} else {
this.throwError("only literal array element value allowed", elem);
}
}
},
visitObjectLiteral: function(node, extra) {
for each (var prop in node.properties) {
if (prop.getter != null || prop.setter != null) {
this.throwError("getter/setter property not allowed", node);
}
var value = prop.value;
if (isLiteral(value)) {
value.accept(visitor, extra);
} else {
this.throwError("only literal property value allowed", value);
}
}
},
visitCompilationUnit: function(node, extra) {
this.lineMap = node.lineMap;
var elements = node.sourceElements;
if (elements.length > 1) {
this.throwError("more than one top level expression", node.sourceElements[1]);
}
var stat = node.sourceElements[0];
if (! (stat instanceof FlexiJSON.ExpressionStatement)) {
this.throwError("only one top level expresion allowed", stat);
}
stat.accept(visitor, extra);
},
}, null);
// safe to eval given string as flexi JSON!
return eval(str);
}

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#Usage: jjs -fx fxml_example.js
#nashorn simple example using FXML with #javafx
/*
* Copyright (c) 2015, Oracle and/or its affiliates. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* - Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
*
* - Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* - Neither the name of Oracle nor the names of its
* contributors may be used to endorse or promote products derived
* from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS
* IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
* THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR
* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
* PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
* LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
* NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
// See also https://docs.oracle.com/javase/8/javafx/api/javafx/fxml/doc-files/introduction_to_fxml.html
if (! $OPTIONS._fx) {
print("Usage: jjs -fx fxml_example.js");
exit(1);
}
// inline FXML document here
var fxml = <<EOF
<?import javafx.scene.*?>
<?import javafx.scene.control.*?>
<?import javafx.scene.layout.*?>
<VBox xmlns:fx="http://javafx.com/fxml">
<children>
<!-- ids will be used script later -->
<HBox>
<Label text="Your name please:"/>
<TextField fx:id="nameText" text="Nashorn"/>
</HBox>
<Button fx:id="clickButton" text="Click!"/>
</children>
</VBox>
EOF
// Java and FX classes used
var ByteArrayInputStream = Java.type("java.io.ByteArrayInputStream");
var FXMLLoader = Java.type("javafx.fxml.FXMLLoader");
var Scene = Java.type("javafx.scene.Scene");
function start(stage) {
var loader = new FXMLLoader();
// load FXML from a string
var root = loader.load(new ByteArrayInputStream(fxml.getBytes("UTF-8")));
// get the button and the text field controls
var button = root.lookup("#clickButton");
var textField = root.lookup("#nameText");
// event handler for button
var clickCount = 0;
button.onAction = function() {
print(textField.text + ", you clicked me: " + ++clickCount + " time(s)");
}
var scene = new Scene(root, 300, 275);
stage.title = "FXML Example";
stage.scene = scene;
stage.show();
}

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#Usage: jjs -fx fxmlrunner.js -- <.fxml file>
/*
* Copyright (c) 2015, Oracle and/or its affiliates. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* - Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
*
* - Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* - Neither the name of Oracle nor the names of its
* contributors may be used to endorse or promote products derived
* from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS
* IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
* THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR
* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
* PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
* LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
* NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
// See also https://docs.oracle.com/javase/8/javafx/api/javafx/fxml/doc-files/introduction_to_fxml.html
// Simple script to "run" a .FXML file specified in
// command line. FXML file is expected to have inline
// fx:script to handle GUI events. i.e., self-contained
// FXML file is assumed.
var file = arguments[0];
var File = Java.type("java.io.File");
if (!$OPTIONS._fx || !file || !new File(file).isFile()) {
print("Usage: jjs -fx fxmlrunner.js -- <.fxml file> [width] [height]");
exit(1);
}
// optional stage width and height from command line
var width = arguments[1]? parseInt(arguments[1]) : 400;
var height = arguments[2]? parseInt(arguments[2]) : 300;
// JavaFX classes used
var FXMLLoader = Java.type("javafx.fxml.FXMLLoader");
var Scene = Java.type("javafx.scene.Scene");
function start(stage) {
// load FXML
var root = FXMLLoader.load(new File(file).toURL());
// show it in a scene
var scene = new Scene(root, width, height);
stage.title = file;
stage.scene = scene;
stage.show();
}