public void Phase0(LineViewModel line)
{
var iv = LayoutRoot;
ImageContent.Opacity = 0;
ImageContent.Height = double.NaN;
CommentIndicator.Opacity = 0;
ProgressBar.Opacity = 0;
TextContent.Opacity = 1;
if (ImageContent.Source != null)
{
var bitmap = ImageContent.Source as BitmapImage;
bitmap.DownloadProgress -= Image_DownloadProgress;
ImageContent.ClearValue(Image.SourceProperty);
}
if (line.IsImage)
{
if (!AppGlobal.ShouldAutoLoadImage)
{
TextContent.Text = ImageTapToLoadPlaceholder;
}
else
{
TextContent.Text = ImageLoadingTextPlaceholder;
}
double aspect = line.ImageWidth <= 0? .0 : (double)line.ImageHeight / (double)line.ImageWidth;
double ih = iv.Width * aspect;
if (ih > 1.0)
{
ImageContent.Height = ih;
ImagePlaceHolder.Height = ih;
}
else
{
ImagePlaceHolder.Height = double.NaN;
}
ProgressBar.Visibility = Visibility.Visible;
ImageContent.Visibility = Visibility.Visible;
ImagePlaceHolder.Visibility = Visibility.Visible;
TextContent.TextAlignment = TextAlignment.Center;
}
else
{
TextContent.Text = " " + line.Content;
//textContent.Height = double.NaN;
TextContent.TextAlignment = TextAlignment.Left;
ImagePlaceHolder.Visibility = Visibility.Collapsed;
ImageContent.Visibility = Visibility.Collapsed;
ImageContent.DataContext = null;
}
}
public void ClearContent()
{
ProgressBar.Value = 0;
if (ImageContent.Source != null)
{
var bitmap = ImageContent.Source as BitmapImage;
bitmap.DownloadProgress -= Image_DownloadProgress;
}
ImageContent.DataContext = null;
ImageContent.ClearValue(Image.SourceProperty);
ImageContent.Visibility = Windows.UI.Xaml.Visibility.Collapsed;
ImageContent.Height = 0;
TextContent.ClearValue(TextBlock.TextProperty);
}
