NUISamples/NUISamples/NUISamples.TizenTV/examples/view-navi-property.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 Tizen.NUI;
  20 using Tizen.NUI.BaseComponents;
  21
  22 namespace MyCSharpExample
  23 {
  24     class Example : NUIApplication
  25     {
  26         const int num = 2;
  27         View[] view;
  28
  29         View lastFocusedView;
  30
  31         protected override void OnCreate()
  32         {
  33             base.OnCreate();
  34             Initialize();
  35         }
  36
  37         public void Initialize()
  38         {
  39             view = new View[2];
  40
  41             for (int i = 0; i < num; i++)
  42             {
  43                 view[i] = new View();
  44                 view[i].Size2D = new Size2D(200, 200);
  45                 view[i].BackgroundColor = Color.Blue;
  46                 view[i].Position = new Position(300 + i * 300, 300, 0);
  47                 view[i].Name = "MyView" + i;
  48                 view[i].Focusable = true;
  49                 Window.Instance.Add(view[i]);
  50                 view[i].FocusGained += FocusNavigationSample_FocusGained;
  51                 view[i].FocusLost += FocusNavigationSample_FocusLost;
  52                 view[i].Key += FocusNavigationSample_KeyEvent;
  53             }
  54
  55             view[0].RightFocusableView = view[1];
  56             view[0].LeftFocusableView = view[1];
  57             view[1].RightFocusableView = view[0];
  58             view[1].LeftFocusableView = view[0];
  59
  60             FocusManager.Instance.SetCurrentFocusView(view[0]);
  61             FocusManager.Instance.PreFocusChange += Instance_PreFocusChange;
  62
  63             Window.Instance.Touched += Instance_Touch;
  64         }
  65
  66         private void Instance_Touch(object sender, Window.TouchedEventArgs e)
  67         {
  68             Tizen.Log.Debug("NUI", "window touched! set key focus as view[0]!");
  69             FocusManager.Instance.SetCurrentFocusView(view[0]);
  70         }
  71
  72         private bool FocusNavigationSample_KeyEvent(object source, View.KeyEventArgs e)
  73         {
  74             Tizen.Log.Debug("NUI", "...");
  75             View view = source as View;
  76
  77             Tizen.Log.Debug("NUI", "NUI-1 " + "View-" + view.Name + ", Pressed-" + e.Key.KeyPressedName + e.Key.State.ToString());
  78
  79             return false;
  80         }
  81
  82         private void FocusNavigationSample_FocusLost(object sender, EventArgs e)
  83         {
  84             Tizen.Log.Debug("NUI", "...");
  85             View view = sender as View;
  86             view.BackgroundColor = Color.Blue;
  87             view.Scale = new Vector3(1.0f, 1.0f, 1.0f);
  88
  89             Tizen.Log.Debug("NUI", "NUI-2 " + "FocusLost-" + view.Name);
  90         }
  91
  92         private void FocusNavigationSample_FocusGained(object sender, EventArgs e)
  93         {
  94             Tizen.Log.Debug("NUI", "...");
  95             View view = sender as View;
  96             view.BackgroundColor = Color.Red;
  97             view.Scale = new Vector3(1.2f, 1.2f, 1.0f);
  98
  99             Tizen.Log.Debug("NUI", "NUI-3 " + "FocusGained-" + view.Name);
 100         }
 101
 102         private View Instance_PreFocusChange(object source, FocusManager.PreFocusChangeEventArgs e)
 103         {
 104             Tizen.Log.Debug("NUI", "...");
 105             View currentView = (e.CurrentView) ?? lastFocusedView;
 106             View nextView = null;
 107
 108             Tizen.Log.Debug("NUI", "NUI-4 " + "PreFocusChange-" + e.Direction);
 109
 110             if (currentView != null && currentView.HasBody())
 111                 Tizen.Log.Debug("NUI", "NUI-5 " + " Current-" + currentView.Name);
 112
 113             if (currentView)
 114             {
 115                 switch (e.Direction)
 116                 {
 117                     case View.FocusDirection.Left:
 118                         nextView = currentView.LeftFocusableView;
 119                         if (nextView == null)
 120                             Tizen.Log.Debug("NUI", "NUI-6 " + "LeftFocusableView is NULL!!!!");
 121                         else
 122                             Tizen.Log.Debug("NUI", "NUI-7 " + currentView.Name + ".LeftFocusableView =" + nextView.Name);
 123                         break;
 124                     case View.FocusDirection.Right:
 125                         nextView = currentView.RightFocusableView;
 126                         if (nextView == null)
 127                             Tizen.Log.Debug("NUI", "NUI-8 " + "RightFocusableView is NULL!!!!");
 128                         else
 129                             Tizen.Log.Debug("NUI", "NUI-9 " + currentView.Name + ".RightFocusableView =" + nextView.Name);
 130                         break;
 131                     case View.FocusDirection.Up:
 132                         nextView = currentView.UpFocusableView;
 133                         if (nextView == null)
 134                             Tizen.Log.Debug("NUI", "NUI-10 " + "UpFocusableView is NULL!!!!");
 135                         else
 136                             Tizen.Log.Debug("NUI", "NUI-11 " + currentView.Name + ".UpFocusableView =" + nextView.Name);
 137                         break;
 138                     case View.FocusDirection.Down:
 139                         nextView = currentView.DownFocusableView;
 140                         if (nextView == null)
 141                             Tizen.Log.Debug("NUI", "NUI-12 " + "DownFocusableView is NULL!!!!");
 142                         else
 143                             Tizen.Log.Debug("NUI", "NUI-13 " + currentView.Name + ".DownFocusableView =" + nextView.Name);
 144                         break;
 145                     default:
 146                         nextView = null;  //added
 147                         break;
 148                 }
 149             }
 150
 151             if (e.ProposedView == null)
 152             {
 153                 Tizen.Log.Debug("NUI", "NUI-14 " + "ProposedView in NULL!!");
 154             }
 155             else if (e.ProposedView.HasBody())
 156             {
 157                 Tizen.Log.Debug("NUI", "NUI-15 " + "ProposedView-" + e.ProposedView.Name);
 158             }
 159             else
 160             {
 161                 Tizen.Log.Debug("NUI", "NUI-16 " + "ProposedView does NOT have body!!!" + e.ProposedView);
 162             }
 163
 164             nextView = nextView ?? (e.ProposedView) ?? currentView;
 165             lastFocusedView = nextView;
 166
 167             if (nextView != null && nextView.HasBody())
 168                 Tizen.Log.Debug("NUI", "NUI-17 " + "Next-" + nextView.Name);
 169
 170             return nextView;
 171         }
 172
 173         [STAThread]
 174         static void _Main(string[] args)
 175         {
 176             Example example = new Example();
 177             example.Run(args);
 178         }
 179     }
 180 }