src/ElmSharp/ElmSharp/Index.cs

   1 using System;
   2 using System.Collections.Generic;
   3
   4 namespace ElmSharp
   5 {
   6     public class Index : Layout
   7     {
   8         HashSet<IndexItem> _children = new HashSet<IndexItem>();
   9         Interop.SmartEvent _delayedChanged;
  10
  11         public Index(EvasObject parent) : base(parent)
  12         {
  13             _delayedChanged = new Interop.SmartEvent(this, Handle, "delay,changed");
  14             _delayedChanged.On += _delayedChanged_On;
  15         }
  16
  17         public event EventHandler Changed;
  18
  19         public bool AutoHide
  20         {
  21             get
  22             {
  23                 return !Interop.Elementary.elm_index_autohide_disabled_get(Handle);
  24             }
  25             set
  26             {
  27                 Interop.Elementary.elm_index_autohide_disabled_set(Handle, !value);
  28             }
  29         }
  30
  31         public bool IsHorizontal
  32         {
  33             get
  34             {
  35                 return Interop.Elementary.elm_index_horizontal_get(Handle);
  36             }
  37             set
  38             {
  39                 Interop.Elementary.elm_index_horizontal_set(Handle, value);
  40             }
  41         }
  42
  43         public bool IndicatorVisible
  44         {
  45             get
  46             {
  47                 return !Interop.Elementary.elm_index_indicator_disabled_get(Handle);
  48             }
  49             set
  50             {
  51                 Interop.Elementary.elm_index_indicator_disabled_set(Handle, !value);
  52             }
  53         }
  54
  55         public bool OmitEnabled
  56         {
  57             get
  58             {
  59                 return Interop.Elementary.elm_index_omit_enabled_get(Handle);
  60             }
  61             set
  62             {
  63                 Interop.Elementary.elm_index_omit_enabled_set(Handle, value);
  64             }
  65         }
  66
  67         public IndexItem SelectedItem
  68         {
  69             get
  70             {
  71                 IntPtr handle = Interop.Elementary.elm_index_selected_item_get(Handle, 0);
  72                 return ItemObject.GetItemByHandle(handle) as IndexItem;
  73             }
  74         }
  75
  76         public IndexItem Append(string label)
  77         {
  78             IndexItem item = new IndexItem(label);
  79             item.Handle = Interop.Elementary.elm_index_item_append(Handle, label, null, (IntPtr)item.Id);
  80             return item;
  81         }
  82
  83         public IndexItem Prepend(string label)
  84         {
  85             IndexItem item = new IndexItem(label);
  86             item.Handle = Interop.Elementary.elm_index_item_prepend(Handle, label, null, (IntPtr)item.Id);
  87             return item;
  88         }
  89
  90         public IndexItem InsertBefore(string label, IndexItem before)
  91         {
  92             IndexItem item = new IndexItem(label);
  93             item.Handle = Interop.Elementary.elm_index_item_insert_before(Handle, before, label, null, (IntPtr)item.Id);
  94             return item;
  95         }
  96
  97         public void Update(int level)
  98         {
  99             Interop.Elementary.elm_index_level_go(Handle, level);
 100         }
 101
 102         protected override IntPtr CreateHandle(EvasObject parent)
 103         {
 104             return Interop.Elementary.elm_index_add(parent);
 105         }
 106
 107         void _delayedChanged_On(object sender, EventArgs e)
 108         {
 109             SelectedItem?.SendSelected();
 110             Changed?.Invoke(this, e);
 111         }
 112
 113         void AddInternal(IndexItem item)
 114         {
 115             _children.Add(item);
 116             item.Deleted += Item_Deleted;
 117         }
 118
 119         void Item_Deleted(object sender, EventArgs e)
 120         {
 121             _children.Remove((IndexItem)sender);
 122         }
 123     }
 124 }