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8288137: The set of available printers is not updated without applica…
…tion restart Reviewed-by: kcr, arapte
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| @@ -0,0 +1,115 @@ | ||
| /* | ||
| * Copyright (c) 2022, Oracle and/or its affiliates. All rights reserved. | ||
| * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. | ||
| * | ||
| * This code is free software; you can redistribute it and/or modify it | ||
| * under the terms of the GNU General Public License version 2 only, as | ||
| * published by the Free Software Foundation. Oracle designates this | ||
| * particular file as subject to the "Classpath" exception as provided | ||
| * by Oracle in the LICENSE file that accompanied this code. | ||
| * | ||
| * This code is distributed in the hope that it will be useful, but WITHOUT | ||
| * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or | ||
| * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License | ||
| * version 2 for more details (a copy is included in the LICENSE file that | ||
| * accompanied this code). | ||
| * | ||
| * You should have received a copy of the GNU General Public License version | ||
| * 2 along with this work; if not, write to the Free Software Foundation, | ||
| * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. | ||
| * | ||
| * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA | ||
| * or visit www.oracle.com if you need additional information or have any | ||
| * questions. | ||
| */ | ||
|
|
||
| import javafx.collections.FXCollections; | ||
| import javafx.collections.ObservableSet; | ||
| import javafx.collections.SetChangeListener; | ||
|
|
||
| import javafx.application.Application; | ||
| import javafx.print.PrinterJob; | ||
| import javafx.print.Printer; | ||
| import javafx.scene.Scene; | ||
| import javafx.stage.Stage; | ||
| import javafx.scene.control.Button; | ||
| import javafx.scene.layout.VBox; | ||
| import javafx.scene.text.Text; | ||
|
|
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| public class PrinterListenerTest extends Application { | ||
|
|
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| public static void main(String[] args) { | ||
| launch(args); | ||
| } | ||
|
|
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| ObservableSet<Printer> printers; | ||
| Printer defaultPrinter; | ||
| Stage window; | ||
|
|
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| public void start(Stage stage) { | ||
| window = stage; | ||
| printPrinters(); | ||
| printers.addListener(new SetChangeListener<Printer>() { | ||
| public void onChanged(SetChangeListener.Change<? extends Printer> change) { | ||
| printChanged(change); | ||
| } | ||
| }); | ||
|
|
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| VBox root = new VBox(); | ||
| Scene scene = new Scene(root); | ||
| Button b = new Button("List Printers"); | ||
| b.setOnAction(e -> printPrinters()); | ||
| root.getChildren().add(b); | ||
| Button p = new Button("Show Print Dialog"); | ||
| p.setOnAction(e -> showPrintDialog()); | ||
| root.getChildren().add(p); | ||
| Text t = new Text(); | ||
| t.setWrappingWidth(400); | ||
| t.setText( | ||
| "This is a very manual test which to be useful " + | ||
| "requires you to be adding and removing printers and changing " + | ||
| "the default from System Settings or whatever is the norm for " + | ||
| "the platform being tested and then pressing 'List Printers'. \n" + | ||
| "Updates happen only when you call the API - no background thread. " + | ||
| "The Added or Removed printers will be reported by the change listener " + | ||
| "demonstrating that the ObservableList works.\n" + | ||
| "The Print Dialog can be used to verify what is listed matches the dialog."); | ||
|
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| root.getChildren().add(t); | ||
| stage.setScene(scene); | ||
| stage.show(); | ||
| } | ||
|
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| public void showPrintDialog() { | ||
| PrinterJob job = PrinterJob.createPrinterJob(); | ||
| job.showPrintDialog(window); | ||
| } | ||
|
|
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| public void printPrinters() { | ||
| if (printers != null) { | ||
| System.out.println("Current default printer="+defaultPrinter); | ||
| System.out.println("Current Printers :"); | ||
| for (Printer p : printers) System.out.println(p); | ||
| System.out.println(); | ||
| } | ||
|
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| printers = Printer.getAllPrinters(); | ||
| defaultPrinter = Printer.getDefaultPrinter(); | ||
|
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| System.out.println("New Default Printer ="+defaultPrinter); | ||
| System.out.println("New Printers :"); | ||
| for (Printer p : printers) System.out.println(p); | ||
| System.out.println(); | ||
| } | ||
|
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| static void printChanged(SetChangeListener.Change<? extends Printer> c) { | ||
| if (c.wasAdded()) { | ||
| System.out.println("Added : " + c.getElementAdded()); | ||
| } else if (c.wasRemoved()) { | ||
| System.out.println("Removed : " + c.getElementRemoved()); | ||
| } else { | ||
| System.out.println("Other change"); | ||
| } | ||
|
|
||
| } | ||
| } |
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