test/Tizen.NUI.Samples/Tizen.NUI.Samples/Samples/ScrollableBaseOutOfBoundSample.cs

   1
   2 using Tizen.NUI.BaseComponents;
   3
   4 namespace Tizen.NUI.Samples
   5 {
   6     public class ScrollableBaseOutOfBoundSample : IExample
   7     {
   8         private View root;
   9         private Components.ScrollableBase horizontalScrollableBase = null;
  10         private TextLabel[] horizontalItems;
  11
  12         private Components.ScrollableBase verticalScrollableBase = null;
  13         private TextLabel[] verticalItems;
  14
  15         public void Activate()
  16         {
  17             Window window = NUIApplication.GetDefaultWindow();
  18             root = new View()
  19             {
  20                 Size = new Size(1920, 1080),
  21                 BackgroundColor = new Color(0.7f, 0.9f, 0.8f, 1.0f),
  22             };
  23             root.Layout = new LinearLayout()
  24             {
  25                 LinearOrientation = LinearLayout.Orientation.Vertical,
  26             };
  27             window.Add(root);
  28
  29             CreateHorizontalScrollableBase();
  30
  31             CreateVerticalScrollableBase();
  32         }
  33
  34         private void CreateHorizontalScrollableBase()
  35         {
  36             horizontalScrollableBase = new Components.ScrollableBase()
  37             {
  38                 Size = new Size(400, 300),
  39                 ScrollingDirection = Components.ScrollableBase.Direction.Horizontal,
  40                 HideScrollbar = false,
  41             };
  42             horizontalScrollableBase.ScrollOutOfBound += OnHorizontalScrollOutOfBound;
  43
  44             horizontalItems = new TextLabel[5];
  45             for (int i = 0; i < 5; i++)
  46             {
  47                 horizontalItems[i] = new TextLabel
  48                 {
  49                     Position = new Position(i * 200, 0),
  50                     Size = new Size(200, 300),
  51                     PointSize = 12.0f,
  52                     TextColor = Color.Black,
  53                 };
  54                 if (i % 2 == 0)
  55                 {
  56                     horizontalItems[i].BackgroundColor = Color.White;
  57                 }
  58                 else
  59                 {
  60                     horizontalItems[i].BackgroundColor = Color.Cyan;
  61                 }
  62                 horizontalScrollableBase.Add(horizontalItems[i]);
  63             }
  64             root.Add(horizontalScrollableBase);
  65         }
  66
  67         private void OnHorizontalScrollOutOfBound(object sender, Components.ScrollOutOfBoundEventArgs e)
  68         {
  69             if (e.PanDirection == Components.ScrollOutOfBoundEventArgs.Direction.Left)
  70             {
  71                 horizontalItems[0].Text = "Reached at the left.";
  72             }
  73             else if (e.PanDirection == Components.ScrollOutOfBoundEventArgs.Direction.Right)
  74             {
  75                 horizontalItems[4].Text = "Reached at the right.";
  76             }
  77         }
  78
  79         private void CreateVerticalScrollableBase()
  80         {
  81             verticalScrollableBase = new Components.ScrollableBase()
  82             {
  83                 Size = new Size(400, 300),
  84                 ScrollingDirection = Components.ScrollableBase.Direction.Vertical,
  85                 EnableOverShootingEffect = true,
  86                 HideScrollbar = false,
  87             };
  88             verticalScrollableBase.ScrollOutOfBound += OnVerticalScrollOutOfBound;
  89
  90             verticalItems = new TextLabel[5];
  91             for (int i = 0; i < 5; i++)
  92             {
  93                 verticalItems[i] = new TextLabel
  94                 {
  95                     Position = new Position(0, i * 100),
  96                     Size = new Size(400, 100),
  97                     PointSize = 12.0f,
  98                     TextColor = Color.Black,
  99                 };
 100                 if (i % 2 == 0)
 101                 {
 102                     verticalItems[i].BackgroundColor = Color.White;
 103                 }
 104                 else
 105                 {
 106                     verticalItems[i].BackgroundColor = Color.Cyan;
 107                 }
 108                 verticalScrollableBase.Add(verticalItems[i]);
 109             }
 110             root.Add(verticalScrollableBase);
 111         }
 112
 113         private void OnVerticalScrollOutOfBound(object sender, Components.ScrollOutOfBoundEventArgs e)
 114         {
 115             if (e.Displacement > 100)
 116             {
 117                 if (e.PanDirection == Components.ScrollOutOfBoundEventArgs.Direction.Down)
 118                 {
 119                     verticalItems[0].Text = $"Reached at the top, panned displacement is {e.Displacement}.";
 120                 }
 121             }
 122             else if (0 - e.Displacement > 100)
 123             {
 124                 if (e.PanDirection == Components.ScrollOutOfBoundEventArgs.Direction.Up)
 125                 {
 126                     verticalItems[4].Text = $"Reached at the bottom, panned displacement is {e.Displacement}.";
 127                 }
 128             }
 129         }
 130
 131         public void Deactivate()
 132         {
 133             for (int i = 0; i < 5; i++)
 134             {
 135                 if (verticalItems[i] != null)
 136                 {
 137                     verticalScrollableBase.Remove(verticalItems[i]);
 138                     verticalItems[i].Dispose();
 139                 }
 140             }
 141             if (verticalScrollableBase != null)
 142             {
 143                 root.Remove(verticalScrollableBase);
 144                 verticalScrollableBase.Dispose();
 145             }
 146             for (int i = 0; i < 5; i++)
 147             {
 148                 if (horizontalItems[i] != null)
 149                 {
 150                     horizontalScrollableBase.Remove(horizontalItems[i]);
 151                     horizontalItems[i].Dispose();
 152                 }
 153             }
 154             if (horizontalScrollableBase != null)
 155             {
 156                 root.Remove(horizontalScrollableBase);
 157                 horizontalScrollableBase.Dispose();
 158             }
 159             root.Dispose();
 160         }
 161     }
 162 }