src/ElmSharp/ElmSharp/ContextPopup.cs

   1 using System;
   2 using System.Collections.Generic;
   3
   4 namespace ElmSharp
   5 {
   6     public enum ContextPopupDirection
   7     {
   8         Down,
   9         Right,
  10         Left,
  11         Up,
  12         Unknown
  13     }
  14
  15     public class ContextPopup : Layout
  16     {
  17         HashSet<ContextPopupItem> _children = new HashSet<ContextPopupItem>();
  18         Interop.SmartEvent _dismissed;
  19         Interop.Evas.SmartCallback _onSelected;
  20
  21         public ContextPopup(EvasObject parent) : base(parent)
  22         {
  23             _dismissed = new Interop.SmartEvent(this, Handle, "dismissed");
  24             _dismissed.On += (sender, e) =>
  25             {
  26                 Dismissed?.Invoke(this, EventArgs.Empty);
  27             };
  28             _onSelected = (data, obj, info) =>
  29             {
  30                 ContextPopupItem item = ItemObject.GetItemById((int)data) as ContextPopupItem;
  31                 item?.SendSelected();
  32             };
  33         }
  34
  35         public event EventHandler Dismissed;
  36
  37         public ContextPopupDirection Direction
  38         {
  39             get
  40             {
  41                 return (ContextPopupDirection)Interop.Elementary.elm_ctxpopup_direction_get(Handle);
  42             }
  43         }
  44
  45         public bool IsHorizontal
  46         {
  47             get
  48             {
  49                 return Interop.Elementary.elm_ctxpopup_horizontal_get(Handle);
  50             }
  51             set
  52             {
  53                 Interop.Elementary.elm_box_horizontal_set(Handle, value);
  54             }
  55         }
  56
  57         public bool AutoHide
  58         {
  59             get
  60             {
  61                 return !Interop.Elementary.elm_ctxpopup_auto_hide_disabled_get(Handle);
  62             }
  63             set
  64             {
  65                 Interop.Elementary.elm_ctxpopup_auto_hide_disabled_set(Handle, !value);
  66             }
  67         }
  68
  69         public void SetDirectionPriorty(ContextPopupDirection first, ContextPopupDirection second, ContextPopupDirection third, ContextPopupDirection fourth)
  70         {
  71             Interop.Elementary.elm_ctxpopup_direction_priority_set(Handle, (int)first, (int)second, (int)third, (int)fourth);
  72         }
  73
  74         public ContextPopupItem Append(string label)
  75         {
  76             return Append(label, null);
  77         }
  78
  79         public ContextPopupItem Append(string label, EvasObject icon)
  80         {
  81             ContextPopupItem item = new ContextPopupItem(label, icon);
  82             item.Handle = Interop.Elementary.elm_ctxpopup_item_append(Handle, label, icon, _onSelected, (IntPtr)item.Id);
  83             AddInternal(item);
  84             return item;
  85         }
  86
  87         public void Dismiss()
  88         {
  89             Interop.Elementary.elm_ctxpopup_dismiss(Handle);
  90         }
  91
  92         public bool IsAvailableDirection(ContextPopupDirection direction)
  93         {
  94             return Interop.Elementary.elm_ctxpopup_direction_available_get(Handle, (int)direction);
  95         }
  96
  97         internal override IntPtr CreateHandle(EvasObject parent)
  98         {
  99             return Interop.Elementary.elm_ctxpopup_add(parent.Handle);
 100         }
 101
 102         void AddInternal(ContextPopupItem item)
 103         {
 104             _children.Add(item);
 105             item.Deleted += Item_Deleted;
 106         }
 107
 108         void Item_Deleted(object sender, EventArgs e)
 109         {
 110             _children.Remove((ContextPopupItem)sender);
 111         }
 112     }
 113 }