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             };
  39             mScrollableBase.ScrollOutOfBound += OnScrollOutOfBound;
  40
  41             items = new TextLabel[5];
  42             for (int i = 0; i < 5; i++)
  43             {
  44                 items[i] = new TextLabel
  45                 {
  46                     Position = new Position(0, i * 100),
  47                     Size = new Size(800, 100),
  48                     PointSize = 12.0f,
  49                     TextColor = Color.Black,
  50                 };
  51                 if (i % 2 == 0)
  52                 {
  53                     items[i].BackgroundColor = Color.White;
  54                 }
  55                 else
  56                 {
  57                     items[i].BackgroundColor = Color.Cyan;
  58                 }
  59                 mScrollableBase.Add(items[i]);
  60             }
  61             root.Add(mScrollableBase);
  62         }
  63
  64         private void OnScrollOutOfBound(object sender, Components.ScrollOutOfBoundEventArgs e)
  65         {
  66             if (e.ScrollableBound == Components.ScrollOutOfBoundEventArgs.Bound.Top)
  67             {
  68                 items[0].Text = "Reached at the top.";
  69             }
  70             else
  71             {
  72                 items[4].Text = "Reached at the bottom.";
  73             }
  74         }
  75
  76         public void Deactivate()
  77         {
  78             for (int i = 0; i < 5; i++)
  79             {
  80                 if (items[i] != null)
  81                 {
  82                     mScrollableBase.Remove(items[i]);
  83                     items[i].Dispose();
  84                 }
  85             }
  86             if (mScrollableBase != null)
  87             {
  88                 root.Remove(mScrollableBase);
  89                 mScrollableBase.Dispose();
  90             }
  91             root.Dispose();
  92         }
  93     }
  94 }