nashorn/samples/browser_dom.js
changeset 27973 ecc16e813691
child 28123 b13d67aea450
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27972:8ec664fdf8da 27973:ecc16e813691
       
     1 #// Usage: jjs -fx browser.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.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 var EventListener = Java.type("org.w3c.dom.events.EventListener");
       
    44 
       
    45 // JavaFX start method
       
    46 function start(stage) {
       
    47     start.title = "Web View";
       
    48     var wv = new WebView();
       
    49     wv.engine.loadContent(<<EOF
       
    50 <html>
       
    51 <head>
       
    52 <title>
       
    53 This is the title
       
    54 </title>
       
    55 <script>
       
    56 // click count for OK button
       
    57 var okCount = 0;
       
    58 </script>
       
    59 </head>
       
    60 <body>
       
    61 Button from the input html<br>
       
    62 <button type="button" onclick="okCount++">OK</button><br>
       
    63 </body>
       
    64 </html>
       
    65 EOF, "text/html");
       
    66 
       
    67     // attach onload handler
       
    68     wv.engine.loadWorker.stateProperty().addListener(
       
    69         new ChangeListener() {
       
    70             changed: function() {
       
    71                // DOM document element
       
    72                var document = wv.engine.document;
       
    73                // DOM manipulation
       
    74                var btn = document.createElement("button");
       
    75                var n = 0;
       
    76                // attach a button handler - nashorn function!
       
    77                btn.onclick = new EventListener(function() {
       
    78                    n++; print("You clicked " + n + " time(s)");
       
    79                    print("you clicked OK " + wv.engine.executeScript("okCount"));
       
    80                });
       
    81                // attach text to button
       
    82                var t = document.createTextNode("Click Me!"); 
       
    83                btn.appendChild(t);
       
    84                // attach button to the document
       
    85                document.body.appendChild(btn); 
       
    86            }
       
    87         }
       
    88     );
       
    89     stage.scene = new Scene(wv, 750, 500);
       
    90     stage.show();
       
    91 }