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

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