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