1 #// Usage: jjs -fx browser_dom.js
   2 
   3 /*
   4  * Copyright (c) 2014, Oracle and/or its affiliates. All rights reserved.
   5  *
   6  * Redistribution and use in source and binary forms, with or without
   7  * modification, are permitted provided that the following conditions
   8  * are met:
   9  *
  10  *   - Redistributions of source code must retain the above copyright
  11  *     notice, this list of conditions and the following disclaimer.
  12  *
  13  *   - Redistributions in binary form must reproduce the above copyright
  14  *     notice, this list of conditions and the following disclaimer in the
  15  *     documentation and/or other materials provided with the distribution.
  16  *
  17  *   - Neither the name of Oracle nor the names of its
  18  *     contributors may be used to endorse or promote products derived
  19  *     from this software without specific prior written permission.
  20  *
  21  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS
  22  * IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
  23  * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
  24  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE COPYRIGHT OWNER OR
  25  * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
  26  * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
  27  * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
  28  * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
  29  * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
  30  * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
  31  * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  32  */
  33 
  34 if (!$OPTIONS._fx) {
  35     print("Usage: jjs -fx browser_dom.js");
  36     exit(1);
  37 }
  38 
  39 // JavaFX classes used
  40 var ChangeListener = Java.type("javafx.beans.value.ChangeListener");
  41 var Scene     = Java.type("javafx.scene.Scene");
  42 var WebView   = Java.type("javafx.scene.web.WebView");
  43 
  44 // JavaFX start method
  45 function start(stage) {
  46     start.title = "Web View";
  47     var wv = new WebView();
  48     wv.engine.loadContent(<<EOF
  49 <html>
  50 <head>
  51 <title>
  52 This is the title
  53 </title>
  54 <script>
  55 // click count for OK button
  56 var okCount = 0;
  57 </script>
  58 </head>
  59 <body>
  60 Button from the input html<br>
  61 <button type="button" onclick="okCount++">OK</button><br>
  62 </body>
  63 </html>
  64 EOF, "text/html");
  65 
  66     // attach onload handler
  67     wv.engine.loadWorker.stateProperty().addListener(
  68         new ChangeListener() {
  69             changed: function() {
  70                // DOM document element
  71                var document = wv.engine.document;
  72                // DOM manipulation
  73                var btn = document.createElement("button");
  74                var n = 0;
  75                // attach a button handler - nashorn function!
  76                btn.onclick = function() {
  77                    n++; print("You clicked " + n + " time(s)");
  78                    print("you clicked OK " + wv.engine.executeScript("okCount"));
  79                };
  80                // attach text to button
  81                var t = document.createTextNode("Click Me!"); 
  82                btn.appendChild(t);
  83                // attach button to the document
  84                document.body.appendChild(btn); 
  85            }
  86         }
  87     );
  88     stage.scene = new Scene(wv, 750, 500);
  89     stage.show();
  90 }