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             };
  41             horizontalScrollableBase.ScrollOutOfBound += OnHorizontalScrollOutOfBound;
  42
  43             horizontalItems = new TextLabel[5];
  44             for (int i = 0; i < 5; i++)
  45             {
  46                 horizontalItems[i] = new TextLabel
  47                 {
  48                     Position = new Position(i * 200, 0),
  49                     Size = new Size(200, 300),
  50                     PointSize = 12.0f,
  51                     TextColor = Color.Black,
  52                 };
  53                 if (i % 2 == 0)
  54                 {
  55                     horizontalItems[i].BackgroundColor = Color.White;
  56                 }
  57                 else
  58                 {
  59                     horizontalItems[i].BackgroundColor = Color.Cyan;
  60                 }
  61                 horizontalScrollableBase.Add(horizontalItems[i]);
  62             }
  63             root.Add(horizontalScrollableBase);
  64         }
  65
  66         private void OnHorizontalScrollOutOfBound(object sender, Components.ScrollOutOfBoundEventArgs e)
  67         {
  68             if (e.ScrollableBound == Components.ScrollOutOfBoundEventArgs.Bound.Left)
  69             {
  70                 horizontalItems[0].Text = "Reached at the left.";
  71             }
  72             else if (e.ScrollableBound == Components.ScrollOutOfBoundEventArgs.Bound.Right)
  73             {
  74                 horizontalItems[4].Text = "Reached at the right.";
  75             }
  76         }
  77
  78         private void CreateVerticalScrollableBase()
  79         {
  80             verticalScrollableBase = new Components.ScrollableBase()
  81             {
  82                 Size = new Size(400, 300),
  83                 ScrollingDirection = Components.ScrollableBase.Direction.Vertical,
  84                 EnableOverShootingEffect = true,
  85             };
  86             verticalScrollableBase.ScrollOutOfBound += OnVerticalScrollOutOfBound;
  87
  88             verticalItems = new TextLabel[5];
  89             for (int i = 0; i < 5; i++)
  90             {
  91                 verticalItems[i] = new TextLabel
  92                 {
  93                     Position = new Position(0, i * 100),
  94                     Size = new Size(400, 100),
  95                     PointSize = 12.0f,
  96                     TextColor = Color.Black,
  97                 };
  98                 if (i % 2 == 0)
  99                 {
 100                     verticalItems[i].BackgroundColor = Color.White;
 101                 }
 102                 else
 103                 {
 104                     verticalItems[i].BackgroundColor = Color.Cyan;
 105                 }
 106                 verticalScrollableBase.Add(verticalItems[i]);
 107             }
 108             root.Add(verticalScrollableBase);
 109         }
 110
 111         private void OnVerticalScrollOutOfBound(object sender, Components.ScrollOutOfBoundEventArgs e)
 112         {
 113             if (e.Displacement > 100)
 114             {
 115                 if (e.PanDirection == Components.ScrollOutOfBoundEventArgs.Direction.Down)
 116                 {
 117                     items[0].Text = $"Reached at the top, panned displacement is {e.Displacement}.";
 118                 }
 119             }
 120             else if (0 - e.Displacement > 100)
 121             {
 122                 if (e.PanDirection == Components.ScrollOutOfBoundEventArgs.Direction.Up)
 123                 {
 124                     items[4].Text = $"Reached at the bottom, panned displacement is {e.Displacement}.";
 125                 }
 126             }
 127         }
 128
 129         public void Deactivate()
 130         {
 131             for (int i = 0; i < 5; i++)
 132             {
 133                 if (verticalItems[i] != null)
 134                 {
 135                     verticalScrollableBase.Remove(verticalItems[i]);
 136                     verticalItems[i].Dispose();
 137                 }
 138             }
 139             if (verticalScrollableBase != null)
 140             {
 141                 root.Remove(verticalScrollableBase);
 142                 verticalScrollableBase.Dispose();
 143             }
 144             for (int i = 0; i < 5; i++)
 145             {
 146                 if (horizontalItems[i] != null)
 147                 {
 148                     horizontalScrollableBase.Remove(horizontalItems[i]);
 149                     horizontalItems[i].Dispose();
 150                 }
 151             }
 152             if (horizontalScrollableBase != null)
 153             {
 154                 root.Remove(horizontalScrollableBase);
 155                 horizontalScrollableBase.Dispose();
 156             }
 157             root.Dispose();
 158         }
 159     }
 160 }