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

   1 using System;
   2 using System.Collections.Generic;
   3 using System.Text;
   4 using Tizen.NUI.BaseComponents;
   5
   6 namespace Tizen.NUI.Samples
   7 {
   8     public class ScrollableBaseOutOfBoundSample : IExample
   9     {
  10         private View root;
  11         private Components.ScrollableBase mScrollableBase = null;
  12         private TextLabel[] items;
  13
  14         public void Activate()
  15         {
  16             Window window = NUIApplication.GetDefaultWindow();
  17             root = new View()
  18             {
  19                 Size = new Size(1920, 1080),
  20                 BackgroundColor = new Color(0.7f, 0.9f, 0.8f, 1.0f),
  21             };
  22             root.Layout = new LinearLayout()
  23             {
  24                 LinearOrientation = LinearLayout.Orientation.Vertical
  25             };
  26             window.Add(root);
  27
  28             CreateScrollableBase();
  29         }
  30
  31         private void CreateScrollableBase()
  32         {
  33             mScrollableBase = new Components.ScrollableBase()
  34             {
  35                 Position = new Position(300, 100),
  36                 Size = new Size(400, 300),
  37                 ScrollingDirection = Components.ScrollableBase.Direction.Vertical,
  38                 EnableOverShootingEffect = true,
  39             };
  40             mScrollableBase.ScrollOutOfBound += OnScrollOutOfBound;
  41
  42             items = new TextLabel[5];
  43             for (int i = 0; i < 5; i++)
  44             {
  45                 items[i] = new TextLabel
  46                 {
  47                     Position = new Position(0, i * 100),
  48                     Size = new Size(800, 100),
  49                     PointSize = 12.0f,
  50                     TextColor = Color.Black,
  51                 };
  52                 if (i % 2 == 0)
  53                 {
  54                     items[i].BackgroundColor = Color.White;
  55                 }
  56                 else
  57                 {
  58                     items[i].BackgroundColor = Color.Cyan;
  59                 }
  60                 mScrollableBase.Add(items[i]);
  61             }
  62             root.Add(mScrollableBase);
  63         }
  64
  65         private void OnScrollOutOfBound(object sender, Components.ScrollOutOfBoundEventArgs e)
  66         {
  67             if (e.Displacement > 100)
  68             {
  69                 if (e.PanDirection == Components.ScrollOutOfBoundEventArgs.Direction.Down)
  70                 {
  71                     items[0].Text = $"Reached at the top, panned displacement is {e.Displacement}.";
  72                 }
  73             }
  74             else if (0 - e.Displacement > 100)
  75             {
  76                 if (e.PanDirection == Components.ScrollOutOfBoundEventArgs.Direction.Up)
  77                 {
  78                     items[4].Text = $"Reached at the bottom, panned displacement is {e.Displacement}.";
  79                 }
  80             }
  81         }
  82
  83         public void Deactivate()
  84         {
  85             for (int i = 0; i < 5; i++)
  86             {
  87                 if (items[i] != null)
  88                 {
  89                     mScrollableBase.Remove(items[i]);
  90                     items[i].Dispose();
  91                 }
  92             }
  93             if (mScrollableBase != null)
  94             {
  95                 root.Remove(mScrollableBase);
  96                 mScrollableBase.Dispose();
  97             }
  98             root.Dispose();
  99         }
 100     }
 101 }