NUISamples/NUISamples/NUISamples.TizenTV/examples/flex-container.cs

   1
   2 using System;
   3 using Tizen.NUI;
   4 using Tizen.NUI.UIComponents;
   5
   6 namespace FlexContainerTest
   7 {
   8     public class SampleMain : NUIApplication
   9     {
  10         public readonly static string[] samples = new string[]
  11         {
  12             "AnimationSample",
  13             "BasicElement",
  14             "TextSample",
  15             "ImageViewSample",
  16             "EventSample",
  17             "FlexContainer",
  18             "FrameAnimationSample"
  19         };
  20
  21         TextLabel[] label;
  22         FlexContainer container;
  23         View focusIndicator;
  24         int numOfSamples;
  25         PushButton pushButton1, pushButton2;
  26         private int _cnt;
  27         private Animation _ani;
  28
  29         protected override void OnCreate()
  30         {
  31             base.OnCreate();
  32
  33             Stage.Instance.BackgroundColor = new Color(0.1f, 0.8f, 0.1f, 1.0f);
  34
  35             container = new FlexContainer();
  36             container.Size = new Size(Stage.Instance.Size.Width, Stage.Instance.Size.Height, 0);
  37             container.AnchorPoint = AnchorPoint.TopLeft;
  38             container.Padding = new Vector4(100, 100, 100, 100);
  39
  40             container.FlexWrap = FlexContainer.WrapType.Wrap;
  41             container.FlexDirection = FlexContainer.FlexDirectionType.Column;
  42
  43             Stage.Instance.GetDefaultLayer().Add(container);
  44
  45             numOfSamples = samples.GetLength(0);
  46             Tizen.Log.Debug("NUI", "NUM = " + numOfSamples);
  47             label = new TextLabel[numOfSamples];
  48             for (int i = 0; i < numOfSamples; i++)
  49             {
  50                 label[i] = new TextLabel();
  51                 label[i].Focusable = true;
  52                 label[i].BackgroundColor = Color.Red;
  53                 //label[i].Size = new Size(100, 50, 0);
  54                 label[i].Text = samples[i];
  55                 label[i].FlexMargin = new Vector4(20, 20, 20, 20);
  56                 label[i].PointSize = 10;
  57                 label[i].Name = "label" + i.ToString();
  58                 container.Add(label[i]);
  59             }
  60
  61             //label[3].SetKeyInputFocus();  //removed
  62             FocusManager.Instance.SetCurrentFocusView(label[3]);
  63
  64             FocusManager.Instance.PreFocusChange += Instance_PreFocusChange;
  65             //added
  66             FocusManager.Instance.FocusChanged += (sender, e) =>
  67             {
  68                 if(e.CurrentView) Tizen.Log.Debug("NUI", "FocusManager FocusChanged signal callback! e.CurrentView.Name=" + e.CurrentView.Name);
  69                 else Tizen.Log.Debug("NUI", "FocusManager FocusChanged signal callback! e.CurrentView is null!");
  70                 if (e.NextView) Tizen.Log.Debug("NUI", "FocusManager FocusChanged signal callback! e.NextView.Name=" + e.NextView.Name);
  71                 else Tizen.Log.Debug("NUI", "FocusManager FocusChanged signal callback! e.NextView is null!");
  72             };
  73             //added
  74             FocusManager.Instance.FocusedViewEnterKeyPressed += (sender, e) =>
  75             {
  76                 if (e.View) Tizen.Log.Debug("NUI", "FocusManager FocusedViewEnterKeyPressed signal callback! e.View.Name=" + e.View.Name);
  77                 else Tizen.Log.Debug("NUI", "FocusManager FocusChanged signal callback! e.View is null!");
  78             };
  79
  80             //added
  81             Stage.Instance.Touch += (sender, e) =>
  82             {
  83                 Tizen.Log.Debug("NUI", "Stage Touch signal callback! To avoid crash, when losing key focus, set here again unless the NextView is null");
  84                 FocusManager.Instance.SetCurrentFocusView(label[3]);
  85             };
  86
  87             //added
  88             pushButton1 = new PushButton();
  89             pushButton1.MinimumSize = new Size2D(400, 200);
  90             pushButton1.LabelText = "+PreFocusChange";
  91             pushButton1.ParentOrigin = ParentOrigin.TopLeft;
  92             pushButton1.AnchorPoint = AnchorPoint.TopLeft;
  93             pushButton1.Position2D = new Position2D(200, 800);
  94             pushButton1.Clicked += (sender, e) =>
  95             {
  96                 Tizen.Log.Debug("NUI", "pushbutton1 clicked! add handler!");
  97                 _cnt++;
  98                 FocusManager.Instance.PreFocusChange += Instance_PreFocusChange;
  99                 _ani.Finished += _ani_Finished;
 100                 pushButton1.LabelText = "Add Handler" + _cnt;
 101                 pushButton2.LabelText = "Remove Handler" + _cnt;
 102                 return true;
 103             };
 104             Stage.Instance.GetDefaultLayer().Add(pushButton1);
 105
 106             pushButton2 = new PushButton();
 107             pushButton2.MinimumSize = new Size2D(400, 200);
 108             pushButton2.LabelText = "-PreFocusChange";
 109             pushButton2.ParentOrigin = ParentOrigin.TopLeft;
 110             pushButton2.AnchorPoint = AnchorPoint.TopLeft;
 111             pushButton2.Position2D = new Position2D(800, 800);
 112             pushButton2.Clicked += (sender, e) =>
 113             {
 114                 Tizen.Log.Debug("NUI", "pushbutton2 clicked! remove handler!");
 115                 _cnt--;
 116                 FocusManager.Instance.PreFocusChange -= Instance_PreFocusChange;
 117                 _ani.Finished -= _ani_Finished;
 118                 pushButton1.LabelText = "Add Handler" + _cnt;
 119                 pushButton2.LabelText = "Remove Handler" + _cnt;
 120                 return true;
 121             };
 122             Stage.Instance.GetDefaultLayer().Add(pushButton2);
 123
 124             //added
 125             _ani = new Animation(2000);
 126             _ani.AnimateTo(pushButton1, "Opacity", 0.0f);
 127             _ani.AnimateTo(pushButton2, "Opacity", 0.0f);
 128             _ani.EndAction = Animation.EndActions.Discard;
 129             _ani.Finished += _ani_Finished;
 130
 131         }
 132
 133         private void _ani_Finished(object sender, EventArgs e)
 134         {
 135             Tizen.Log.Debug("NUI", "_ani finished! _cnt=" + _cnt);
 136         }
 137
 138         private View Instance_PreFocusChange(object source, FocusManager.PreFocusChangeEventArgs e)
 139         {
 140             View nextView;
 141             Tizen.Log.Debug("NUI", "Instance_PreFocusChange = " + e.Direction.ToString());
 142
 143             //added
 144             if (e.CurrentView == null) e.CurrentView = label[0];
 145             if (e.ProposedView == null) e.ProposedView = label[0];
 146
 147             int index = Array.FindIndex(label, x => x == e.CurrentView);
 148
 149             Tizen.Log.Debug("NUI", "index = " + index);
 150
 151             switch (e.Direction)
 152             {
 153                 case View.FocusDirection.Up:
 154                     index = (index + numOfSamples - 2) % numOfSamples;  //changed
 155                     _ani.Play();
 156                     break;
 157                 case View.FocusDirection.Down:
 158                     index = (index + 2) % numOfSamples; //changed
 159                     Tizen.Log.Debug("NUI", "pushbutton1 Visible=" + pushButton1.Visible + "  pushbutton2 Visible=" + pushButton2.Visible); //added
 160                     break;
 161                 case View.FocusDirection.Left:
 162                     //added
 163                     pushButton1.Show();
 164                     pushButton2.Show();
 165                     break;
 166                 case View.FocusDirection.Right:
 167                     //added
 168                     pushButton1.Hide();
 169                     pushButton2.Hide();
 170                     break;
 171                 default:
 172                     break;
 173             }
 174
 175             Tizen.Log.Debug("NUI", "next index = " + index);
 176             nextView = label[index];
 177
 178             if (e.CurrentView.HasFocus())
 179             {
 180                 //currentView?.ClearKeyInputFocus();  //removed
 181             }
 182             //nextView?.SetKeyInputFocus();  //removed
 183
 184             return nextView;
 185         }
 186
 187         static void _Main(string[] args)
 188         {
 189
 190             SampleMain sample = new SampleMain();
 191             sample.Run(args);
 192         }
 193     }
 194 }
 195