test/Tizen.NUI.Samples/Tizen.NUI.Samples/Samples/ScrollableFocus/ScrollableFocusSample.cs

   1 using System;
   2 using Tizen.NUI.BaseComponents;
   3 using Tizen.NUI;
   4 using Tizen.NUI.Components;
   5
   6
   7 namespace Tizen.NUI.Samples
   8 {
   9     public class ScrollableFocusSample : IExample
  10     {
  11         public View root;
  12
  13         public void Activate()
  14         {
  15             Window window = NUIApplication.GetDefaultWindow();
  16
  17             root = new View();
  18             root.Layout = new AbsoluteLayout();
  19             root.Size = new Size(500, 800);
  20
  21             root.BackgroundColor = Color.White;
  22             window.Add(root);
  23
  24             FocusManager.Instance.EnableDefaultAlgorithm(true);
  25             root.Layout = new LinearLayout
  26             {
  27                 LinearOrientation = LinearLayout.Orientation.Vertical
  28             };
  29             root.WidthSpecification = LayoutParamPolicies.MatchParent;
  30             root.HeightSpecification = LayoutParamPolicies.MatchParent;
  31
  32
  33             var topbtn = new Button
  34             {
  35                 Focusable = true,
  36                 FocusableInTouch = true,
  37                 Text = "Top"
  38             };
  39             root.Add(topbtn);
  40
  41             var scrollview = new ScrollableBase
  42             {
  43                 ScrollingDirection = ScrollableBase.Direction.Vertical,
  44                 WidthSpecification = LayoutParamPolicies.MatchParent,
  45                 HeightSpecification = LayoutParamPolicies.MatchParent,
  46                 BackgroundColor = Color.Gray
  47             };
  48             scrollview.ContentContainer.Layout = new AbsoluteLayout();
  49             scrollview.ContentContainer.WidthSpecification = LayoutParamPolicies.MatchParent;
  50             scrollview.ContentContainer.SizeHeight = 1800;
  51             root.Add(scrollview);
  52             for (int i = 0; i < 40; i++)
  53             {
  54                 scrollview.ContentContainer.Add(CreateButton(i));
  55             }
  56
  57             var middle = new Button
  58             {
  59                 Focusable = true,
  60                 FocusableInTouch = true,
  61                 Text = "Middle"
  62             };
  63             root.Add(middle);
  64
  65             var myscrollview = new ScrollableBase
  66             {
  67                 ScrollingDirection = ScrollableBase.Direction.Vertical,
  68                 WidthSpecification = LayoutParamPolicies.MatchParent,
  69                 HeightSpecification = LayoutParamPolicies.MatchParent,
  70                 BackgroundColor = Color.Yellow
  71             };
  72             myscrollview.ContentContainer.Layout = new AbsoluteLayout();
  73             myscrollview.ContentContainer.WidthSpecification = LayoutParamPolicies.MatchParent;
  74             myscrollview.ContentContainer.SizeHeight = 1800;
  75             root.Add(myscrollview);
  76             for (int i = 0; i < 40; i++)
  77             {
  78                 myscrollview.ContentContainer.Add(CreateButton(i));
  79             }
  80
  81             var bottom = new Button
  82             {
  83                 Focusable = true,
  84                 FocusableInTouch = true,
  85                 Text = "bottom"
  86             };
  87             root.Add(bottom);
  88
  89         }
  90
  91         static View CreateButton(int index)
  92         {
  93             var rnd = new Random();
  94
  95             var btn = new Button
  96             {
  97                 Focusable = true,
  98                 FocusableInTouch = true,
  99                 Text = $"Item {index}",
 100             };
 101             // btn.FocusGained += (s, e) =>
 102             // {
 103             //   Tizen.Log.Error("NUI", $"[[{btn.Text}]] \n");
 104             // };
 105
 106             var item = Wrapping(btn);
 107             item.SizeWidth = 200;
 108             item.SizeHeight = 90;
 109
 110             item.Position = new Position(220 * (index % 3), 100 * (index / 3) );
 111
 112             if (item is Button button)
 113             {
 114                 button.Text = $"[{button.Text}]";
 115             }
 116
 117             return item;
 118         }
 119
 120         static View Wrapping(View view)
 121         {
 122             int cnt = new Random().Next(0, 4);
 123
 124             for (int i = 0; i < cnt; i++)
 125             {
 126                 var wrapper = new View();
 127                 view.WidthSpecification = LayoutParamPolicies.MatchParent;
 128                 view.HeightSpecification = LayoutParamPolicies.MatchParent;
 129                 wrapper.Add(view);
 130                 view = wrapper;
 131             }
 132
 133             return view;
 134         }
 135
 136         public void Deactivate()
 137         {
 138             if (root != null)
 139             {
 140                 NUIApplication.GetDefaultWindow().Remove(root);
 141                 root.Dispose();
 142             }
 143         }
 144     }
 145
 146 }