CoCalc -- browser

GitHub Repository: PojavLauncherTeam/openjdk-multiarch-jdk8u
Path: blob/aarch64-shenandoah-jdk8u272-b10/nashorn/samples/browser_dom.js
³²²⁷⁸ views
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#// Usage: jjs -fx browser_dom.js
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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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if (!$OPTIONS._fx) {
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    print("Usage: jjs -fx browser_dom.js");
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    exit(1);
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}
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// JavaFX classes used
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var ChangeListener = Java.type("javafx.beans.value.ChangeListener");
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var Scene     = Java.type("javafx.scene.Scene");
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var WebView   = Java.type("javafx.scene.web.WebView");
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// JavaFX start method
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function start(stage) {
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    start.title = "Web View";
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    var wv = new WebView();
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    wv.engine.loadContent(<<EOF
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<html>
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<head>
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<title>
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This is the title
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</title>
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<script>
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// click count for OK button
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var okCount = 0;
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</script>
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</head>
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<body>
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Button from the input html<br>
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<button type="button" onclick="okCount++">OK</button><br>
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</body>
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</html>
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EOF, "text/html");
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    // attach onload handler
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    wv.engine.loadWorker.stateProperty().addListener(
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        new ChangeListener() {
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            changed: function() {
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               // DOM document element
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               var document = wv.engine.document;
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               // DOM manipulation
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               var btn = document.createElement("button");
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               var n = 0;
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               // attach a button handler - nashorn function!
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               btn.onclick = function() {
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                   n++; print("You clicked " + n + " time(s)");
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                   print("you clicked OK " + wv.engine.executeScript("okCount"));
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               };
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               // attach text to button
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               var t = document.createTextNode("Click Me!"); 
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               btn.appendChild(t);
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               // attach button to the document
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               document.body.appendChild(btn); 
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           }
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        }
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    );
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    stage.scene = new Scene(wv, 750, 500);
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    stage.show();
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}
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