NUISamples/examples/flex-container.cs

   1
   2 using System;
   3 using Tizen.NUI;
   4 using Tizen.NUI.UIComponents;
   5 using Tizen.NUI.BaseComponents;
   6
   7 namespace FlexContainerTest
   8 {
   9     public class SampleMain : NUIApplication
  10     {
  11         public readonly static string[] samples = new string[]
  12         {
  13             "AnimationSample",
  14             "BasicElement",
  15             "TextSample",
  16             "ImageViewSample",
  17             "EventSample",
  18             "FlexContainer",
  19             "FrameAnimationSample"
  20         };
  21
  22         TextLabel[] label;
  23         FlexContainer container;
  24         View focusIndicator;
  25         int numOfSamples;
  26         PushButton pushButton1, pushButton2;
  27         private int _cnt;
  28         private Animation _ani;
  29
  30         protected override void OnCreate()
  31         {
  32             base.OnCreate();
  33
  34             Window.Instance.BackgroundColor = new Color(0.1f, 0.8f, 0.1f, 1.0f);
  35
  36             container = new FlexContainer();
  37             container.Size2D = new Size2D(Window.Instance.Size.Width, Window.Instance.Size.Height);
  38             container.PivotPoint = PivotPoint.TopLeft;
  39             container.Padding = new Vector4(100, 100, 100, 100);
  40
  41             container.FlexWrap = FlexContainer.WrapType.Wrap;
  42             container.FlexDirection = FlexContainer.FlexDirectionType.Column;
  43
  44             Window.Instance.Add(container);
  45
  46             numOfSamples = samples.GetLength(0);
  47             Tizen.Log.Debug("NUI", "NUM = " + numOfSamples);
  48             label = new TextLabel[numOfSamples];
  49             for (int i = 0; i < numOfSamples; i++)
  50             {
  51                 label[i] = new TextLabel();
  52                 label[i].Focusable = true;
  53                 label[i].BackgroundColor = Color.Red;
  54                 //label[i].Size = new Size(100, 50, 0);
  55                 label[i].Text = samples[i];
  56                 label[i].FlexMargin = new Vector4(20, 20, 20, 20);
  57                 label[i].PointSize = 10;
  58                 label[i].Name = "label" + i.ToString();
  59                 container.Add(label[i]);
  60             }
  61
  62             //label[3].SetKeyInputFocus();  //removed
  63             FocusManager.Instance.SetCurrentFocusView(label[3]);
  64
  65             FocusManager.Instance.PreFocusChange += Instance_PreFocusChange;
  66             //added
  67             FocusManager.Instance.FocusChanged += (sender, e) =>
  68             {
  69                 if(e.CurrentView) Tizen.Log.Debug("NUI", "FocusManager FocusChanged signal callback! e.CurrentView.Name=" + e.CurrentView.Name);
  70                 else Tizen.Log.Debug("NUI", "FocusManager FocusChanged signal callback! e.CurrentView is null!");
  71                 if (e.NextView) Tizen.Log.Debug("NUI", "FocusManager FocusChanged signal callback! e.NextView.Name=" + e.NextView.Name);
  72                 else Tizen.Log.Debug("NUI", "FocusManager FocusChanged signal callback! e.NextView is null!");
  73             };
  74             //added
  75             FocusManager.Instance.FocusedViewActivated += (sender, e) =>
  76             {
  77                 if (e.View) Tizen.Log.Debug("NUI", "FocusManager FocusedViewEnterKeyPressed signal callback! e.View.Name=" + e.View.Name);
  78                 else Tizen.Log.Debug("NUI", "FocusManager FocusChanged signal callback! e.View is null!");
  79             };
  80
  81             //added
  82             Window.Instance.TouchEvent += (sender, e) =>
  83             {
  84                 Tizen.Log.Debug("NUI", "Window Touch signal callback! To avoid crash, when losing key focus, set here again unless the NextView is null");
  85                 FocusManager.Instance.SetCurrentFocusView(label[3]);
  86             };
  87
  88             //added
  89             pushButton1 = new PushButton();
  90             pushButton1.MinimumSize = new Size2D(400, 200);
  91             pushButton1.LabelText = "+PreFocusChange";
  92             pushButton1.ParentOrigin = ParentOrigin.TopLeft;
  93             pushButton1.PivotPoint = PivotPoint.TopLeft;
  94             pushButton1.Position2D = new Position2D(200, 800);
  95             pushButton1.Clicked += (sender, e) =>
  96             {
  97                 Tizen.Log.Debug("NUI", "pushbutton1 clicked! add handler!");
  98                 _cnt++;
  99                 FocusManager.Instance.PreFocusChange += Instance_PreFocusChange;
 100                 _ani.Finished += _ani_Finished;
 101                 pushButton1.LabelText = "Add Handler" + _cnt;
 102                 pushButton2.LabelText = "Remove Handler" + _cnt;
 103                 return true;
 104             };
 105             Window.Instance.Add(pushButton1);
 106
 107             pushButton2 = new PushButton();
 108             pushButton2.MinimumSize = new Size2D(400, 200);
 109             pushButton2.LabelText = "-PreFocusChange";
 110             pushButton2.ParentOrigin = ParentOrigin.TopLeft;
 111             pushButton2.PivotPoint = PivotPoint.TopLeft;
 112             pushButton2.Position2D = new Position2D(800, 800);
 113             pushButton2.Clicked += (sender, e) =>
 114             {
 115                 Tizen.Log.Debug("NUI", "pushbutton2 clicked! remove handler!");
 116                 _cnt--;
 117                 FocusManager.Instance.PreFocusChange -= Instance_PreFocusChange;
 118                 _ani.Finished -= _ani_Finished;
 119                 pushButton1.LabelText = "Add Handler" + _cnt;
 120                 pushButton2.LabelText = "Remove Handler" + _cnt;
 121                 return true;
 122             };
 123             Window.Instance.Add(pushButton2);
 124
 125             //added
 126             _ani = new Animation(2000);
 127             _ani.AnimateTo(pushButton1, "Opacity", 0.0f);
 128             _ani.AnimateTo(pushButton2, "Opacity", 0.0f);
 129             _ani.EndAction = Animation.EndActions.Discard;
 130             _ani.Finished += _ani_Finished;
 131
 132         }
 133
 134         private void _ani_Finished(object sender, EventArgs e)
 135         {
 136             Tizen.Log.Debug("NUI", "_ani finished! _cnt=" + _cnt);
 137         }
 138
 139         private View Instance_PreFocusChange(object source, FocusManager.PreFocusChangeEventArgs e)
 140         {
 141             View nextView;
 142             Tizen.Log.Debug("NUI", "Instance_PreFocusChange = " + e.Direction.ToString());
 143
 144             //added
 145             if (e.CurrentView == null) e.CurrentView = label[0];
 146             if (e.ProposedView == null) e.ProposedView = label[0];
 147
 148             int index = Array.FindIndex(label, x => x == e.CurrentView);
 149
 150             Tizen.Log.Debug("NUI", "index = " + index);
 151
 152             switch (e.Direction)
 153             {
 154                 case View.FocusDirection.Up:
 155                     index = (index + numOfSamples - 2) % numOfSamples;  //changed
 156                     _ani.Play();
 157                     break;
 158                 case View.FocusDirection.Down:
 159                     index = (index + 2) % numOfSamples; //changed
 160                     Tizen.Log.Debug("NUI", "pushbutton1 Visible=" + pushButton1.Visible + "  pushbutton2 Visible=" + pushButton2.Visible); //added
 161                     break;
 162                 case View.FocusDirection.Left:
 163                     //added
 164                     pushButton1.Show();
 165                     pushButton2.Show();
 166                     break;
 167                 case View.FocusDirection.Right:
 168                     //added
 169                     pushButton1.Hide();
 170                     pushButton2.Hide();
 171                     break;
 172                 default:
 173                     break;
 174             }
 175
 176             Tizen.Log.Debug("NUI", "next index = " + index);
 177             nextView = label[index];
 178
 179             if (e.CurrentView.HasFocus())
 180             {
 181                 //currentView?.ClearKeyInputFocus();  //removed
 182             }
 183             //nextView?.SetKeyInputFocus();  //removed
 184
 185             return nextView;
 186         }
 187
 188         static void _Main(string[] args)
 189         {
 190
 191             SampleMain sample = new SampleMain();
 192             sample.Run(args);
 193         }
 194     }
 195 }
 196