NUISamples/NUISamples/NUISamples.TizenTV/examples/view-navi-property.cs

   1 /*\r
   2  * Copyright (c) 2017 Samsung Electronics Co., Ltd.\r
   3  *\r
   4  * Licensed under the Apache License, Version 2.0 (the "License");\r
   5  * you may not use this file except in compliance with the License.\r
   6  * You may obtain a copy of the License at\r
   7  *\r
   8  * http://www.apache.org/licenses/LICENSE-2.0\r
   9  *\r
  10  * Unless required by applicable law or agreed to in writing, software\r
  11  * distributed under the License is distributed on an "AS IS" BASIS,\r
  12  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\r
  13  * See the License for the specific language governing permissions and\r
  14  * limitations under the License.\r
  15  *\r
  16  */\r
  17 \r
  18 using System;\r
  19 using Tizen.NUI;\r
  20 \r
  21 namespace MyCSharpExample\r
  22 {\r
  23     class Example : NUIApplication\r
  24     {\r
  25         const int num = 2;\r
  26         View[] view;\r
  27 \r
  28         View lastFocusedView;\r
  29 \r
  30         protected override void OnCreate()\r
  31         {\r
  32             base.OnCreate();\r
  33             Initialize();\r
  34         }\r
  35 \r
  36         public void Initialize()\r
  37         {\r
  38             view = new View[2];\r
  39 \r
  40             for (int i = 0; i < num; i++)\r
  41             {\r
  42                 view[i] = new View();\r
  43                 view[i].Size = new Size(200, 200, 0);\r
  44                 view[i].BackgroundColor = Color.Blue;\r
  45                 view[i].Position = new Position(300 + i * 300, 300, 0);\r
  46                 view[i].Name = "MyView" + i;\r
  47                 view[i].Focusable = true;\r
  48                 Stage.Instance.GetDefaultLayer().Add(view[i]);\r
  49                 view[i].FocusGained += FocusNavigationSample_FocusGained;\r
  50                 view[i].FocusLost += FocusNavigationSample_FocusLost;\r
  51                 view[i].KeyEvent += FocusNavigationSample_KeyEvent;\r
  52             }\r
  53 \r
  54             view[0].RightFocusableView = view[1];\r
  55             view[0].LeftFocusableView = view[1];\r
  56             view[1].RightFocusableView = view[0];\r
  57             view[1].LeftFocusableView = view[0];\r
  58 \r
  59             FocusManager.Instance.SetCurrentFocusView(view[0]);\r
  60             FocusManager.Instance.PreFocusChange += Instance_PreFocusChange;\r
  61 \r
  62             Stage.Instance.Touch += Instance_Touch;\r
  63         }\r
  64 \r
  65         private void Instance_Touch(object sender, Stage.TouchEventArgs e)\r
  66         {\r
  67             Tizen.Log.Debug("NUI", "stage touched! set key focus as lastFocusedView!");\r
  68             FocusManager.Instance.SetCurrentFocusView(lastFocusedView);\r
  69         }\r
  70 \r
  71         private bool FocusNavigationSample_KeyEvent(object source, View.KeyEventArgs e)\r
  72         {\r
  73             Tizen.Log.Debug("NUI", "...");\r
  74             View view = source as View;\r
  75 \r
  76             Tizen.Log.Debug("NUI", "NUI-1 " + "View-" + view.Name + ", Pressed-" + e.Key.KeyPressedName + e.Key.State.ToString());\r
  77 \r
  78             return false;\r
  79         }\r
  80 \r
  81         private void FocusNavigationSample_FocusLost(object sender, EventArgs e)\r
  82         {\r
  83             Tizen.Log.Debug("NUI", "...");\r
  84             View view = sender as View;\r
  85             view.BackgroundColor = Color.Blue;\r
  86             view.Scale = new Vector3(1.0f, 1.0f, 1.0f);\r
  87 \r
  88             Tizen.Log.Debug("NUI", "NUI-2 " + "FocusLost-" + view.Name);\r
  89         }\r
  90 \r
  91         private void FocusNavigationSample_FocusGained(object sender, EventArgs e)\r
  92         {\r
  93             Tizen.Log.Debug("NUI", "...");\r
  94             View view = sender as View;\r
  95             view.BackgroundColor = Color.Red;\r
  96             view.Scale = new Vector3(1.2f, 1.2f, 1.0f);\r
  97 \r
  98             Tizen.Log.Debug("NUI", "NUI-3 " + "FocusGained-" + view.Name);\r
  99         }\r
 100 \r
 101         private View Instance_PreFocusChange(object source, FocusManager.PreFocusChangeEventArgs e)\r
 102         {\r
 103             Tizen.Log.Debug("NUI", "...");\r
 104             View currentView = (e.CurrentView) ?? lastFocusedView;\r
 105             View nextView = null;\r
 106 \r
 107             Tizen.Log.Debug("NUI", "NUI-4 " + "PreFocusChange-" + e.Direction);\r
 108 \r
 109             if (currentView != null && currentView.HasBody())\r
 110                 Tizen.Log.Debug("NUI", "NUI-5 " + " Current-" + currentView.Name);\r
 111 \r
 112             if (currentView)\r
 113             {\r
 114                 switch (e.Direction)\r
 115                 {\r
 116                     case View.FocusDirection.Left:\r
 117                         nextView = currentView.LeftFocusableView;\r
 118                         if (nextView == null)\r
 119                             Tizen.Log.Debug("NUI", "NUI-6 " + "LeftFocusableView is NULL!!!!");\r
 120                         else\r
 121                             Tizen.Log.Debug("NUI", "NUI-7 " + currentView.Name + ".LeftFocusableView =" + nextView.Name);\r
 122                         break;\r
 123                     case View.FocusDirection.Right:\r
 124                         nextView = currentView.RightFocusableView;\r
 125                         if (nextView == null)\r
 126                             Tizen.Log.Debug("NUI", "NUI-8 " + "RightFocusableView is NULL!!!!");\r
 127                         else\r
 128                             Tizen.Log.Debug("NUI", "NUI-9 " + currentView.Name + ".RightFocusableView =" + nextView.Name);\r
 129                         break;\r
 130                     case View.FocusDirection.Up:\r
 131                         nextView = currentView.UpFocusableView;\r
 132                         if (nextView == null)\r
 133                             Tizen.Log.Debug("NUI", "NUI-10 " + "UpFocusableView is NULL!!!!");\r
 134                         else\r
 135                             Tizen.Log.Debug("NUI", "NUI-11 " + currentView.Name + ".UpFocusableView =" + nextView.Name);\r
 136                         break;\r
 137                     case View.FocusDirection.Down:\r
 138                         nextView = currentView.DownFocusableView;\r
 139                         if (nextView == null)\r
 140                             Tizen.Log.Debug("NUI", "NUI-12 " + "DownFocusableView is NULL!!!!");\r
 141                         else\r
 142                             Tizen.Log.Debug("NUI", "NUI-13 " + currentView.Name + ".DownFocusableView =" + nextView.Name);\r
 143                         break;\r
 144                     default:\r
 145                         nextView = null;  //added\r
 146                         break;\r
 147                 }\r
 148             }\r
 149 \r
 150             if (e.ProposedView == null)\r
 151             {\r
 152                 Tizen.Log.Debug("NUI", "NUI-14 " + "ProposedView in NULL!!");\r
 153             }\r
 154             else if (e.ProposedView.HasBody())\r
 155             {\r
 156                 Tizen.Log.Debug("NUI", "NUI-15 " + "ProposedView-" + e.ProposedView.Name);\r
 157             }\r
 158             else\r
 159             {\r
 160                 Tizen.Log.Debug("NUI", "NUI-16 " + "ProposedView does NOT have body!!!" + e.ProposedView);\r
 161             }\r
 162 \r
 163             nextView = nextView ?? (e.ProposedView) ?? currentView;\r
 164             lastFocusedView = nextView;\r
 165 \r
 166             if (nextView != null && nextView.HasBody())\r
 167                 Tizen.Log.Debug("NUI", "NUI-17 " + "Next-" + nextView.Name);\r
 168 \r
 169             return nextView;\r
 170         }\r
 171 \r
 172         [STAThread]\r
 173         static void _Main(string[] args)\r
 174         {\r
 175             Example example = new Example();\r
 176             example.Run(args);\r
 177         }\r
 178     }\r
 179 }