NUISamples/NUISamples/NUISamples.TizenTV/examples/date-picker-using-json/date-picker-using-json.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
  23 namespace DatePickerUsingJson
  24 {
  25     // A spin control (for continously changing values when users can easily predict a set of values)
  26
  27     class Example : NUIApplication
  28     {
  29         private Spin _spinYear;  // spin control for year
  30         private Spin _spinMonth; // spin control for month
  31         private Spin _spinDay;   // spin control for day
  32         private Builder _builder; // DALi Builder
  33
  34         public Example() : base()
  35         {
  36         }
  37
  38         protected override void OnCreate()
  39         {
  40             base.OnCreate();
  41             Initialize();
  42         }
  43
  44         public void Initialize()
  45         {
  46             Window window = Window.Instance;
  47             window.BackgroundColor = Color.White;
  48
  49             //This is required for the Application which uses JSON theme and style of Dali builder
  50             ViewRegistryHelper.Initialize();
  51
  52             // load date JSON template...
  53             _builder = new Builder ();
  54
  55             // Optional constant to see logging information coming out
  56             // of DALi JSON parser (builder)
  57             PropertyMap constants = new  PropertyMap();
  58             constants.Insert( "CONFIG_SCRIPT_LOG_LEVEL",  new PropertyValue( "Verbose") );
  59             _builder.AddConstants( constants );
  60
  61             _builder.LoadFromFile("/home/owner/apps_rw/NUISamples.TizenTV/res/json/date-picker-template.json" );
  62
  63             // create the date-picker from the template in the json file
  64             BaseHandle handle =  _builder.Create( "date-picker");
  65
  66             View actorTree =  View.DownCast( handle );
  67
  68             window.GetDefaultLayer().Add( actorTree );
  69
  70             View year  = actorTree.FindChildByName("Year");
  71             View month  =  actorTree.FindChildByName("Month" );
  72             View day  = actorTree.FindChildByName("Day");
  73
  74             // need to get the actual C# Spin object associated with the actor,
  75             _spinYear = View.DownCast<Spin>( year );
  76             _spinMonth = View.DownCast<Spin>( month );
  77             _spinDay = View.DownCast<Spin>( day );
  78
  79             _spinYear.Value = 2099;
  80             _spinMonth.Value = 5;
  81             _spinDay.Value = 23;
  82
  83             _spinYear.Focusable = (true);
  84             _spinMonth.Focusable = (true);
  85             _spinDay.Focusable = (true);
  86
  87             FocusManager keyboardFocusManager = FocusManager.Instance;
  88             keyboardFocusManager.PreFocusChange += OnKeyboardPreFocusChange;
  89             keyboardFocusManager.FocusedViewEnterKeyPressed += OnFocusedViewEnterKeyPressed;
  90
  91             StyleManager.Get().ApplyTheme("/home/owner/apps_rw/NUISamples.TizenTV/res/json/date-picker-theme.json");
  92         }
  93
  94         private View OnKeyboardPreFocusChange(object source, FocusManager.PreFocusChangeEventArgs e)
  95         {
  96             View nextFocusView = e.ProposedView;
  97
  98             // When nothing has been focused initially, focus the text field in the first spin
  99             if (!e.CurrentView && !e.ProposedView)
 100             {
 101                 nextFocusView = _spinYear.SpinText;
 102             }
 103             else if(e.Direction == View.FocusDirection.Left)
 104             {
 105                 // Move the focus to the spin in the left of the current focused spin
 106                 if(e.CurrentView == _spinMonth.SpinText)
 107                 {
 108                     nextFocusView = _spinYear.SpinText;
 109                 }
 110                 else if(e.CurrentView == _spinDay.SpinText)
 111                 {
 112                     nextFocusView = _spinMonth.SpinText;
 113                 }
 114             }
 115             else if(e.Direction == View.FocusDirection.Right)
 116             {
 117                 // Move the focus to the spin in the right of the current focused spin
 118                 if(e.CurrentView == _spinYear.SpinText)
 119                 {
 120                     nextFocusView = _spinMonth.SpinText;
 121                 }
 122                 else if(e.CurrentView == _spinMonth.SpinText)
 123                 {
 124                     nextFocusView = _spinDay.SpinText;
 125                 }
 126             }
 127
 128             return nextFocusView;
 129         }
 130
 131         private void OnFocusedViewEnterKeyPressed(object source, FocusManager.FocusedViewEnterKeyEventArgs e)
 132         {
 133             // Make the text field in the current focused spin to take the key input
 134             KeyInputFocusManager manager = KeyInputFocusManager.Get();
 135
 136             if (e.View == _spinYear.SpinText)
 137             {
 138                 if (manager.GetCurrentFocusControl() != _spinYear.SpinText)
 139                 {
 140                     manager.SetFocus(_spinYear.SpinText);
 141                 }
 142             }
 143             else if (e.View == _spinMonth.SpinText)
 144             {
 145                 if (manager.GetCurrentFocusControl() != _spinMonth.SpinText)
 146                 {
 147                     manager.SetFocus(_spinMonth.SpinText);
 148                 }
 149             }
 150             else if (e.View == _spinDay.SpinText)
 151             {
 152                 if (manager.GetCurrentFocusControl() != _spinDay.SpinText)
 153                 {
 154                     manager.SetFocus(_spinDay.SpinText);
 155                 }
 156             }
 157         }
 158
 159
 160         /// <summary>
 161         /// The main entry point for the application.
 162         /// </summary>
 163         [STAThread]
 164         static void _Main(string[] args)
 165         {
 166             Example example = new Example();
 167             example.Run(args);
 168         }
 169     }
 170 }