Created
March 8, 2016 08:31
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Attempt to reproduce a WebEngine loading bug in JavaFX (failed)
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| <!doctype html> | |
| <html> | |
| <head> | |
| <meta charset="UTF-8"> | |
| <title>Document</title> | |
| <script type="text/javascript" src="http://code.jquery.com/jquery-2.2.1.min.js"></script> | |
| </head> | |
| <body> | |
| <h1 id="title">FILE 1</h1> | |
| <script> | |
| $(document).ready(function() { | |
| // use variableName here | |
| $("#title").html(variableName); | |
| }); | |
| </script> | |
| </body> | |
| </html> |
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| <!doctype html> | |
| <html> | |
| <head> | |
| <meta charset="UTF-8"> | |
| <title>Document</title> | |
| <script type="text/javascript" src="http://code.jquery.com/jquery-2.2.1.min.js"></script> | |
| </head> | |
| <body> | |
| <h1 id="title">FILE 2</h1> | |
| <script> | |
| $(document).ready(function() { | |
| // use variableName here | |
| $("#title").html(variableName); | |
| }); | |
| </script> | |
| </body> | |
| </html> |
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| import javafx.application.Application; | |
| import javafx.scene.Scene; | |
| import javafx.scene.web.WebEngine; | |
| import javafx.scene.web.WebView; | |
| import javafx.stage.Stage; | |
| import netscape.javascript.JSObject; | |
| /** | |
| * https://stackoverflow.com/questions/35758313/consistent-setmember-on-javafx-window | |
| * | |
| * @author okr | |
| * @date 08.03.2016 | |
| * | |
| */ | |
| public class WebEngineLoadBug extends Application | |
| { | |
| /** | |
| * @param args ignored. | |
| */ | |
| public static void main( final String[] args ) | |
| { | |
| launch( args ); | |
| } | |
| @Override | |
| public void start( final Stage primaryStage ) throws Exception | |
| { | |
| final WebView webView = new WebView(); | |
| primaryStage.setScene( new Scene( webView ) ); | |
| final WebEngine webEngine = webView.getEngine(); | |
| // first load | |
| final JSObject domWindow = (JSObject) webEngine.executeScript( "window" ); | |
| domWindow.setMember( "variableName", "variable value 1" ); | |
| // this load works perfectly, variableName is set before JavaScript runs and it can be accessed in document ready event | |
| webEngine.load( WebEngineLoadBug.class.getResource( "file1.html" ).toExternalForm() ); | |
| // second load | |
| final JSObject dom2Window = (JSObject) webEngine.executeScript( "window" ); | |
| dom2Window.setMember( "variableName", "variable value 2" ); | |
| // this load does NOT work as expected, variable2Name is NOT set before JavaScript runs and it can NOT be accessed in document ready event | |
| webEngine.load( WebEngineLoadBug.class.getResource( "file2.html" ).toExternalForm() ); | |
| primaryStage.show(); | |
| } | |
| } |
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