private void SetEmojiText(string htmlFragment)
{
if (htmlFragment == null || htmlFragment.Length == 0)
{
return;
}
this.Blocks.Clear();
Paragraph paragraph;
if (this.Blocks.Count == 0 ||
(paragraph = this.Blocks[this.Blocks.Count - 1] as Paragraph) == null)
{
paragraph = new Paragraph();
this.Blocks.Add(paragraph);
}
var nextOffset = 0;
var regEx = new Regex(@"(\[emot=(?<emoji>.*?)/\])", RegexOptions.IgnoreCase | RegexOptions.Singleline);
foreach (Match match in regEx.Matches(htmlFragment))
{
if (match.Index == nextOffset)
{
nextOffset = match.Index + match.Length;
if (match.Groups["emoji"].Value.Split(',').Count() > 1)
{
var grid = new Grid();
grid.Background = new SolidColorBrush(Colors.White);
grid.Margin = new Thickness(1, 0, 1, 0);
var image = new Image();
var bi = new BitmapImage(new Uri("/Assets/Emoji/"
+ match.Groups["emoji"].Value.Split(',')[0] + "/" + match.Groups["emoji"].Value.Split(',')[1] + ".png", UriKind.RelativeOrAbsolute));
image.Source = bi;
image.Height = 60;
grid.Children.Add(image);
var container = new InlineUIContainer();
container.Child = grid;
paragraph.Inlines.Add(container);
}
else
{
this.SetAtText(HtmlHelp.NoHTML(match.Groups["emoji"].Value));
}
}
else if (match.Index > nextOffset)
{
this.SetAtText(HtmlHelp.NoHTML(htmlFragment.Substring(nextOffset, match.Index - nextOffset)));
nextOffset = match.Index + match.Length;
if (match.Groups["emoji"].Value.Split(',').Count() > 1)
{
var grid = new Grid();
grid.Background = new SolidColorBrush(Colors.White);
grid.Margin = new Thickness(1, 0, 1, 0);
var image = new Image();
var bi = new BitmapImage(new Uri("/Assets/Emoji/"
+ match.Groups["emoji"].Value.Split(',')[0] + "/" + match.Groups["emoji"].Value.Split(',')[1] + ".png", UriKind.RelativeOrAbsolute));
image.Source = bi;
image.Height = 60;
grid.Children.Add(image);
var container = new InlineUIContainer();
container.Child = grid;
paragraph.Inlines.Add(container);
}
else
{
this.SetAtText(HtmlHelp.NoHTML(match.Groups["emoji"].Value));
}
}
}
if (nextOffset < htmlFragment.Length)
{
this.SetAtText(HtmlHelp.NoHTML(htmlFragment.Substring(nextOffset)));
}
}
