NUISamples/examples/date-picker.cs

   1 /*
   2  * Copyright (c) 2017 Samsung Electronics Co., Ltd.
   3  *
   4  * Licensed under the Apache License, Version 2.0 (the "License");
   5  * you may not use this file except in compliance with the License.
   6  * You may obtain a copy of the License at
   7  *
   8  * http://www.apache.org/licenses/LICENSE-2.0
   9  *
  10  * Unless required by applicable law or agreed to in writing, software
  11  * distributed under the License is distributed on an "AS IS" BASIS,
  12  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  13  * See the License for the specific language governing permissions and
  14  * limitations under the License.
  15  *
  16  */
  17
  18 using System;
  19 using System.Runtime.InteropServices;
  20 using Tizen.NUI;
  21 using Tizen.NUI.BaseComponents;
  22 using Tizen.NUI.UIComponents;
  23
  24
  25 namespace DatePickerTest
  26 {
  27     // A spin control (for continously changing values when users can easily predict a set of values)
  28
  29     class Example : NUIApplication
  30     {
  31         private FlexContainer _container;   // Flex container to hold spin controls
  32         private Spin _spinYear;  // spin control for year
  33         private Spin _spinMonth; // spin control for month
  34         private Spin _spinDay;   // spin control for day
  35
  36         public Example() : base()
  37         {
  38
  39         }
  40
  41         protected override void OnCreate()
  42         {
  43             base.OnCreate();
  44             Initialize();
  45         }
  46
  47         public void Initialize()
  48         {
  49             Window window = Window.Instance;
  50             window.BackgroundColor = Color.White;
  51
  52             // Create a container for the spins
  53             _container = new FlexContainer();
  54
  55             _container.FlexDirection = FlexContainer.FlexDirectionType.Row;
  56             _container.Size2D = new Size2D(480, 150);
  57
  58             window.Add(_container);
  59
  60             // Create a Spin control for year
  61             _spinYear = new Spin();
  62             _spinYear.Flex = 0.3f;
  63             _spinYear.FlexMargin = new Vector4(5.0f, 0.0f, 5.0f, 0.0f);
  64             _container.Add(_spinYear);
  65
  66             _spinYear.MinValue = 1900;
  67             _spinYear.MaxValue = 2100;
  68             _spinYear.Value = 2016;
  69             _spinYear.Step = 1;
  70             _spinYear.MaxTextLength = 4;
  71             _spinYear.TextPointSize = 15;
  72             _spinYear.TextColor = Color.Red;
  73             _spinYear.Focusable = (true);
  74             _spinYear.Name = "_spinYear";
  75
  76             // Create a Spin control for month
  77             _spinMonth = new Spin();
  78             _spinMonth.Flex = 0.3f;
  79             _spinMonth.FlexMargin = new Vector4(5.0f, 0.0f, 5.0f, 0.0f);
  80             _container.Add(_spinMonth);
  81
  82             _spinMonth.MinValue = 1;
  83             _spinMonth.MaxValue = 12;
  84             _spinMonth.Value = 10;
  85             _spinMonth.Step = 1;
  86             _spinMonth.MaxTextLength = 2;
  87             _spinMonth.TextPointSize = 15;
  88             _spinMonth.TextColor = Color.Green;
  89             _spinMonth.Focusable = (true);
  90             _spinMonth.Name = "_spinMonth";
  91
  92             // Create a Spin control for day
  93             _spinDay = new Spin();
  94             _spinDay.Flex = 0.3f;
  95             _spinDay.FlexMargin = new Vector4(5.0f, 0.0f, 5.0f, 0.0f);
  96             _container.Add(_spinDay);
  97
  98             _spinDay.MinValue = 1;
  99             _spinDay.MaxValue = 31;
 100             _spinDay.Value = 26;
 101             _spinDay.Step = 1;
 102             _spinDay.MaxTextLength = 2;
 103             _spinDay.TextPointSize = 15;
 104             _spinDay.TextColor = Color.Blue;
 105             _spinDay.Focusable = (true);
 106             _spinDay.Name = "_spinDay";
 107
 108             FocusManager keyboardFocusManager = FocusManager.Instance;
 109             keyboardFocusManager.PreFocusChange += OnKeyboardPreFocusChange;
 110             keyboardFocusManager.FocusedViewActivated += OnFocusedViewActivated;
 111         }
 112
 113         private View OnKeyboardPreFocusChange(object source, FocusManager.PreFocusChangeEventArgs e)
 114         {
 115             View nextFocusView = e.ProposedView;
 116
 117             // When nothing has been focused initially, focus the text field in the first spin
 118             if (!e.CurrentView && !e.ProposedView)
 119             {
 120                 nextFocusView = _spinYear.SpinText;
 121             }
 122             else if(e.Direction == View.FocusDirection.Left)
 123             {
 124                 // Move the focus to the spin in the left of the current focused spin
 125                 if(e.CurrentView == _spinMonth.SpinText)
 126                 {
 127                     nextFocusView = _spinYear.SpinText;
 128                 }
 129                 else if(e.CurrentView == _spinDay.SpinText)
 130                 {
 131                     nextFocusView = _spinMonth.SpinText;
 132                 }
 133             }
 134             else if(e.Direction == View.FocusDirection.Right)
 135             {
 136                 // Move the focus to the spin in the right of the current focused spin
 137                 if(e.CurrentView == _spinYear.SpinText)
 138                 {
 139                     nextFocusView = _spinMonth.SpinText;
 140                 }
 141                 else if(e.CurrentView == _spinMonth.SpinText)
 142                 {
 143                     nextFocusView = _spinDay.SpinText;
 144                 }
 145             }
 146
 147             return nextFocusView;
 148         }
 149
 150         private void OnFocusedViewActivated(object source, FocusManager.FocusedViewActivatedEventArgs e)
 151         {
 152
 153         }
 154
 155         /// <summary>
 156         /// The main entry point for the application.
 157         /// </summary>
 158         [STAThread]
 159         static void _Main(string[] args)
 160         {
 161             Example example = new Example();
 162             example.Run(args);
 163         }
 164     }
 165 }