/// <summary>
/// Adds ContextPopupItem to items dictionary.
/// </summary>
/// <param name="item">Item to add to items dictionary.</param>
void AddItem(ContextPopupItem item)
{
if (_items.ContainsKey(item))
{
return;
}
EContextPopupItem nativeItem;
if (string.IsNullOrEmpty(item.Icon))
{
nativeItem = _popup.Append(item.Label);
}
else
{
nativeItem = AppendOrModifyItemWithIcon(item);
}
_items.Add(item, nativeItem);
nativeItem.Selected += (s, e) =>
{
SelectedItem = item; // This will invoke SelectedIndexChanged if the index has changed
ItemSelected?.Invoke(this, EventArgs.Empty);
};
}
/// <summary>
/// Creates new item with icon.
/// </summary>
/// <param name="item">New item to set.</param>
/// <returns>Item with updated values.</returns>
EContextPopupItem AppendOrModifyItemWithIcon(ContextPopupItem item)
{
EContextPopupItem nativeItem = null;
EIcon icon = new EIcon(_popup);
icon.StandardIconName = item.Icon;
if (!string.IsNullOrEmpty(icon.StandardIconName))
{
if (!_items.ContainsKey(item))
{
nativeItem = _popup.Append(item.Label, icon);
}
else
{
_items[item].SetPartContent("icon", icon);
}
}
else
{
//Not a standard icon
XFPlatformTizen.Native.Image iconImage = new XFPlatformTizen.Native.Image(_popup);
var task = iconImage.LoadFromImageSourceAsync(item.Icon);
if (!_items.ContainsKey(item))
{
nativeItem = _popup.Append(item.Label, iconImage);
}
else
{
_items[item].SetPartContent("icon", iconImage);
}
}
return(nativeItem);
}
public TCContextPopup()
{
InitializeComponent();
_popup = new ContextPopup();
var item1 = new ContextPopupItem("item 1");
var item2 = new ContextPopupItem("item 2");
_popup.Items.Add(item1);
_popup.Items.Add(item2);
_popup.ItemSelected += (s, e) =>
{
Console.WriteLine($"{_popup.SelectedItem?.Label} is selected");
label1.Text = _popup.SelectedItem?.Label + " is selected!";
};
_popup.Dismissed += (s, e) =>
{
if (_popupVisibility)
{
Console.WriteLine("Popup is dismissed");
label1.Text = "Popup is dismissed!";
_popupVisibility = false;
}
};
}
public static void InsertDividerAbove(this ContextPopupItem item)
{
if (item == null)
{
throw new ArgumentNullException(nameof(item));
}
item.SetPartColor(Parts.Menus.Divider, MColors.Current.OnSurfaceColor.WithAlpha(0.12));
}
/// <summary>
/// Updates icon of a given item.
/// </summary>
/// <param name="item">Item with a new icon.</param>
public void UpdateContextPopupItemIcon(ContextPopupItem item)
{
if (string.IsNullOrEmpty(item.Icon))
{
_items[item]?.SetPartContent("icon", null);
}
else
{
AppendOrModifyItemWithIcon(item);
}
}
void AddItem(ContextPopupItem item)
{
if (_items.ContainsKey(item))
{
return;
}
EContextPopupItem nativeItem;
nativeItem = _popup.Append(item.Label);
_items.Add(item, nativeItem);
nativeItem.Selected += (s, e) =>
{
SelectedItem = item; // This will invoke SelectedIndexChanged if the index has changed
ItemSelected?.Invoke(this, new SelectedItemChangedEventArgs(SelectedItem));
};
}
/// <summary>
/// Updates label of a given item.
/// </summary>
/// <param name="item">Item with a new label.</param>
public void UpdateContextPopupItemLabel(ContextPopupItem item)
{
EContextPopupItem nativeItem = _items[item];
nativeItem.SetPartText("default", item.Label);
}
