1 /*
   2  * Copyright (c) 2012, 2014, Oracle and/or its affiliates.
   3  * All rights reserved. Use is subject to license terms.
   4  *
   5  * This file is available and licensed under the following license:
   6  *
   7  * Redistribution and use in source and binary forms, with or without
   8  * modification, are permitted provided that the following conditions
   9  * are met:
  10  *
  11  *  - Redistributions of source code must retain the above copyright
  12  *    notice, this list of conditions and the following disclaimer.
  13  *  - Redistributions in binary form must reproduce the above copyright
  14  *    notice, this list of conditions and the following disclaimer in
  15  *    the documentation and/or other materials provided with the distribution.
  16  *  - Neither the name of Oracle Corporation nor the names of its
  17  *    contributors may be used to endorse or promote products derived
  18  *    from this software without specific prior written permission.
  19  *
  20  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
  21  * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
  22  * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
  23  * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
  24  * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
  25  * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
  26  * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
  27  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
  28  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
  29  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
  30  * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  31  */
  32 package unlock;
  33 
  34 import java.io.IOException;
  35 import javafx.fxml.FXMLLoader;
  36 import javafx.scene.layout.VBox;
  37 import javafx.util.Callback;
  38 
  39 /**
  40  * Keypad is a custom type which uses FXML to load its content.
  41  */
  42 public class Keypad extends VBox {
  43 
  44     private final KeypadController controller;
  45     public Keypad() {
  46         controller = load();
  47     }
  48 
  49     private KeypadController load() {
  50 
  51         final FXMLLoader loader = new FXMLLoader();
  52 
  53         // fx:root is this node.
  54         loader.setRoot(this);
  55 
  56         // The FXMLLoader should use the class loader that loaded
  57         // this class (Keypad).
  58         loader.setClassLoader(this.getClass().getClassLoader());
  59 
  60         // Keypad.fxml contains the configuration for 'this'
  61         loader.setLocation(this.getClass().getResource("Keypad.fxml"));
  62 
  63         try {
  64             final Object root = loader.load();
  65             assert root == this;
  66         } catch (IOException ex) {
  67             throw new IllegalStateException(ex);
  68         }
  69 
  70         final KeypadController keypadController = loader.getController();
  71         assert keypadController != null;
  72         return keypadController;
  73     }
  74 
  75     void setValidateCallback(Callback<String,Boolean> callback) {
  76         controller.setValidateCallback(callback);
  77     }
  78 }