1 /*
   2  * Copyright (c) 2013, 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 com.sun.javafx.scene.control.behavior;
  27 
  28 import javafx.scene.control.DatePicker;
  29 import java.time.LocalDate;
  30 import java.util.ArrayList;
  31 import java.util.List;
  32 import com.sun.javafx.scene.control.skin.DatePickerSkin;
  33 import static javafx.scene.input.KeyCode.DOWN;
  34 import static javafx.scene.input.KeyCode.F4;
  35 import static javafx.scene.input.KeyCode.UP;
  36 import static javafx.scene.input.KeyEvent.KEY_RELEASED;
  37 
  38 
  39 public class DatePickerBehavior extends ComboBoxBaseBehavior<LocalDate> {
  40 
  41     /***************************************************************************
  42      *                                                                         *
  43      * Constructors                                                            *
  44      *                                                                         *
  45      **************************************************************************/
  46 
  47     /**
  48      *
  49      */
  50     public DatePickerBehavior(final DatePicker datePicker) {
  51         super(datePicker, DATE_PICKER_BINDINGS);
  52     }
  53 
  54     /***************************************************************************
  55      *                                                                         *
  56      * Key event handling                                                      *
  57      *                                                                         *
  58      **************************************************************************/
  59 
  60     /**
  61      * Opens the Date Picker Popup
  62      */
  63     protected static final String OPEN_ACTION = "Open";
  64 
  65     /**
  66      * Closes the Date Picker Popup
  67      */
  68     protected static final String CLOSE_ACTION = "Close";
  69 
  70 
  71     protected static final List<KeyBinding> DATE_PICKER_BINDINGS = new ArrayList<KeyBinding>();
  72     static {
  73         DATE_PICKER_BINDINGS.add(new KeyBinding(F4, KEY_RELEASED, "togglePopup"));
  74         DATE_PICKER_BINDINGS.add(new KeyBinding(UP, "togglePopup").alt());
  75         DATE_PICKER_BINDINGS.add(new KeyBinding(DOWN, "togglePopup").alt());
  76     }
  77 
  78     @Override protected void callAction(String name) {
  79         switch (name) {
  80           case OPEN_ACTION:
  81               show(); break;
  82 
  83           case CLOSE_ACTION:
  84               hide(); break;
  85 
  86           case "togglePopup":
  87               if (getControl().isShowing()) {
  88                   hide();
  89               } else {
  90                   show();
  91               }
  92               break;
  93 
  94           default:
  95             super.callAction(name);
  96         }
  97     }
  98 
  99     @Override public void onAutoHide() {
 100         // when we click on some non-interactive part of the
 101         // calendar - we do not want to hide.
 102         DatePicker datePicker = (DatePicker)getControl();
 103         DatePickerSkin cpSkin = (DatePickerSkin)datePicker.getSkin();
 104         cpSkin.syncWithAutoUpdate();
 105         // if the DatePicker is no longer showing, then invoke the super method
 106         // to keep its show/hide state in sync.
 107         if (!datePicker.isShowing()) super.onAutoHide();
 108     }
 109 
 110 }