/// <summary>
/// Returns contents of specified part.
/// </summary>
/// <param name="cell">Multiline cell.</param>
/// <param name="part">Part.</param>
/// <returns>Eves object in specified part.</returns>
protected override EvasObject OnGetContent(Cell cell, string part)
{
MultilineCell multilineCell = (MultilineCell)cell;
if (part == _iconPart && multilineCell.Icon != null)
{
var image = new NImage(Forms.NativeParent);
SetUpImage(multilineCell, image);
return(image);
}
else if (part == _endPart && multilineCell.IsCheckVisible)
{
var check = new Check(Forms.NativeParent);
check.SetAlignment(-1, -1);
check.SetWeight(1, 1);
check.IsChecked = multilineCell.IsChecked;
//It is a temporary way to prevent that the check of the Cell gets focus until the UX about views in the Cell for TV is defined.
if (Device.Idiom == TargetIdiom.TV)
{
check.AllowFocus(false);
}
return(check);
}
return(null);
}
public Task <bool> LoadImageAsync(NativeImage image, ImageSource imageSource, CancellationToken cancelationToken = default(CancellationToken))
{
ImageSource newSource = null;
switch (imageSource)
{
case SKImageImageSource imageImageSource:
newSource = ImageSource.FromStream(() => ToStream(imageImageSource.Image));
break;
case SKBitmapImageSource bitmapImageSource:
newSource = ImageSource.FromStream(() => ToStream(SKImage.FromBitmap(bitmapImageSource.Bitmap)));
break;
case SKPixmapImageSource pixmapImageSource:
newSource = ImageSource.FromStream(() => ToStream(SKImage.FromPixels(pixmapImageSource.Pixmap)));
break;
case SKPictureImageSource pictureImageSource:
newSource = ImageSource.FromStream(() => ToStream(SKImage.FromPicture(pictureImageSource.Picture, pictureImageSource.Dimensions)));
break;
}
return(handler.LoadImageAsync(image, newSource, cancelationToken));
}
/// <summary>
/// Returns EvasObject which constitutes the cell
/// </summary>
/// <param name="cell">Cell</param>
/// <param name="part">Cell's style name</param>
/// <returns>EvasObject</returns>
protected override EvasObject OnGetContent(Cell cell, string part)
{
MultilineCell multilineCell = (MultilineCell)cell;
if (part == _iconPart && multilineCell.Icon != null)
{
var image = new NImage(Forms.Context.MainWindow);
SetUpImage(multilineCell, image);
return(image);
}
else if (part == _endPart && multilineCell.IsCheckVisible)
{
var check = new Check(Forms.Context.MainWindow)
{
Style = "toggle"
};
check.SetAlignment(-1, -1);
check.SetWeight(1, 1);
check.IsChecked = multilineCell.IsChecked;
check.StateChanged += (sender, e) =>
{
multilineCell.IsChecked = e.NewState;
};
return(check);
}
return(null);
}
/// <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);
}
void SetUpImage(BaseTypeCell cell, NImage image)
{
if (cell.IconHeight > 0 && cell.IconWidth > 0)
{
image.MinimumWidth = cell.IconWidth;
image.MinimumHeight = cell.IconHeight;
}
else
{
image.LoadingCompleted += (sender, e) =>
{
image.MinimumWidth = image.ObjectSize.Width;
image.MinimumHeight = image.ObjectSize.Height;
};
}
image.LoadFromImageSourceAsync(cell.Icon);
}
