src/ElmSharp.Wearable/ElmSharp.Wearable/RotarySelectorList.cs

   1 using System;
   2 using System.Collections;
   3 using System.Collections.Generic;
   4 using System.Text;
   5
   6 namespace ElmSharp.Wearable
   7 {
   8     class RotarySelectorList : IList<RotarySelectorItem>
   9     {
  10         RotarySelector _owner;
  11         List<RotarySelectorItem> Items { get; set; }
  12
  13         public RotarySelectorList(RotarySelector owner)
  14         {
  15             this._owner = owner;
  16             Items = new List<RotarySelectorItem>();
  17         }
  18
  19         public RotarySelectorItem this[int index] { get => Items[index]; set => Items[index] = value; }
  20
  21         public int Count => Items.Count;
  22
  23         public bool IsReadOnly => false;
  24
  25         public void Add(RotarySelectorItem item)
  26         {
  27             item.Handle = Interop.Eext.eext_rotary_selector_item_append(_owner);
  28             Items.Add(item);
  29         }
  30
  31         public void Clear()
  32         {
  33             Interop.Eext.eext_rotary_selector_items_clear(_owner);
  34         }
  35
  36         public bool Contains(RotarySelectorItem item)
  37         {
  38             return Items.Contains(item);
  39         }
  40
  41         public void CopyTo(RotarySelectorItem[] array, int arrayIndex)
  42         {
  43             Items.CopyTo(array, arrayIndex);
  44         }
  45
  46         public IEnumerator<RotarySelectorItem> GetEnumerator()
  47         {
  48             return Items.GetEnumerator();
  49         }
  50
  51         public int IndexOf(RotarySelectorItem item)
  52         {
  53             return Items.IndexOf(item);
  54         }
  55
  56         public void Insert(int index, RotarySelectorItem item)
  57         {
  58             if (Items.Count <= index || index < 0)
  59             {
  60                 throw new ArgumentOutOfRangeException("index is not valid in the RotarySelector");
  61             }
  62             RotarySelectorItem target = Items[index];
  63             item.Handle = Interop.Eext.eext_rotary_selector_item_insert_after(_owner, target.Handle);
  64             Items.Insert(index, item);
  65         }
  66
  67         public bool Remove(RotarySelectorItem item)
  68         {
  69             if (Items.Contains(item))
  70             {
  71                 Interop.Eext.eext_rotary_selector_item_del(item.Handle);
  72                 Items.Remove(item);
  73                 return true;
  74             }
  75             return false;
  76         }
  77
  78         public void RemoveAt(int index)
  79         {
  80             if (Items.Count < index + 1 || index < 0)
  81             {
  82                 throw new ArgumentOutOfRangeException("index is not valid in the RotarySelector");
  83             }
  84
  85             RotarySelectorItem target = Items[index];
  86             Interop.Eext.eext_rotary_selector_item_del(target.Handle);
  87             target.Handle = IntPtr.Zero;
  88             Items.RemoveAt(index);
  89         }
  90
  91         IEnumerator IEnumerable.GetEnumerator()
  92         {
  93             return Items.GetEnumerator();
  94         }
  95     }
  96 }