1 /*
   2  * Copyright (c) 2014, Oracle and/or its affiliates. All rights reserved.
   3  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
   4  *
   5  * This code is free software; you can redistribute it and/or modify it
   6  * under the terms of the GNU General Public License version 2 only, as
   7  * published by the Free Software Foundation.  Oracle designates this
   8  * particular file as subject to the "Classpath" exception as provided
   9  * by Oracle in the LICENSE file that accompanied this code.
  10  *
  11  * This code is distributed in the hope that it will be useful, but WITHOUT
  12  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
  13  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
  14  * version 2 for more details (a copy is included in the LICENSE file that
  15  * accompanied this code).
  16  *
  17  * You should have received a copy of the GNU General Public License version
  18  * 2 along with this work; if not, write to the Free Software Foundation,
  19  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
  20  *
  21  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
  22  * or visit www.oracle.com if you need additional information or have any
  23  * questions.
  24  */
  25 
  26 package hello;
  27 
  28 import com.sun.javafx.css.StyleManager;
  29 import javafx.application.Application;
  30 import javafx.geometry.Insets;
  31 import javafx.scene.Scene;
  32 import javafx.scene.control.ToggleButton;
  33 import javafx.scene.control.ToggleGroup;
  34 import javafx.scene.layout.VBox;
  35 import javafx.stage.Stage;
  36 
  37 public class HelloHighContrast extends Application {
  38 
  39     private static final String MODENA_PATH = "com/sun/javafx/scene/control/skin/modena/";
  40     private String lastStyleUsed = null;
  41 
  42     public static void main(String[] args) {
  43         Application.launch(args);
  44     }
  45 
  46     @Override public void start(Stage stage) {
  47         final ToggleGroup group = new ToggleGroup();
  48         group.selectedToggleProperty().addListener(ov -> {
  49             // remove old style
  50             if (lastStyleUsed != null) {
  51                 StyleManager.getInstance().removeUserAgentStylesheet(MODENA_PATH + lastStyleUsed);
  52                 lastStyleUsed = null;
  53             }
  54 
  55             // install new style
  56             String userData = (String) (group.getSelectedToggle() != null ? group.getSelectedToggle().getUserData() : null);
  57             if (userData != null) {
  58                 lastStyleUsed = userData;
  59                 StyleManager.getInstance().addUserAgentStylesheet(MODENA_PATH + userData);
  60             }
  61         });
  62         
  63         ToggleButton disableHighContrast = new ToggleButton("Disable High Contrast");
  64         disableHighContrast.setMaxWidth(Double.MAX_VALUE);
  65         disableHighContrast.setUserData(null);
  66         disableHighContrast.setToggleGroup(group);
  67         disableHighContrast.setSelected(true);
  68 
  69         ToggleButton whiteOnBlackBtn = new ToggleButton("White on black");
  70         whiteOnBlackBtn.setMaxWidth(Double.MAX_VALUE);
  71         whiteOnBlackBtn.setUserData("whiteOnBlack.css");
  72         whiteOnBlackBtn.setToggleGroup(group);
  73 
  74         ToggleButton blackOnWhiteBtn = new ToggleButton("Black on white");
  75         blackOnWhiteBtn.setMaxWidth(Double.MAX_VALUE);
  76         blackOnWhiteBtn.setUserData("blackOnWhite.css");
  77         blackOnWhiteBtn.setToggleGroup(group);
  78 
  79         ToggleButton yellowOnBlackBtn = new ToggleButton("Yellow on black");
  80         yellowOnBlackBtn.setMaxWidth(Double.MAX_VALUE);
  81         yellowOnBlackBtn.setUserData("yellowOnBlack.css");
  82         yellowOnBlackBtn.setToggleGroup(group);
  83 
  84         VBox vbox = new VBox(10, disableHighContrast, whiteOnBlackBtn, blackOnWhiteBtn, yellowOnBlackBtn);
  85         vbox.setPadding(new Insets(10));
  86 
  87         Scene scene = new Scene(vbox);
  88 
  89         stage.setScene(scene);
  90         stage.setWidth(200);
  91         stage.setHeight(200);
  92         stage.show();
  93     }
  94 }