/// <summary>
/// Append given string to the textblock
/// The given string is converted into a recognized inline element
/// i.e. hyperlink, user link, etc...
/// The event handlers provided will be used
/// </summary>
/// <param name="textblock"></param>
/// <param name="word"></param>
/// <param name="urlClickedHandler"></param>
/// <param name="userClickedHandler"></param>
public static void AppendTo(
TextBlock textblock, string word,
TwitterEventHandler urlClickedHandler,
TwitterEventHandler userClickedHandler,
MouseEventHandler linkMouseEnterHandler,
MouseEventHandler linkMouseLeaveHandler)
{
// input argument check
if (string.IsNullOrEmpty(word))
{
return;
}
Inline element = ConvertToInline(word, urlClickedHandler, userClickedHandler, linkMouseEnterHandler, linkMouseLeaveHandler);
if (null != element)
{
textblock.Inlines.Add(element);
}
}
/// <summary>
/// Append given string to the textblock
/// The given string is converted into a recognized inline element
/// i.e. hyperlink, user link, etc...
/// The event handlers provided will be used
/// </summary>
/// <param name="textblock"></param>
/// <param name="word"></param>
/// <param name="urlClickedHandler"></param>
/// <param name="userClickedHandler"></param>
public static void AppendTo(
TextBlock textblock, string word,
TwitterEventHandler urlClickedHandler,
TwitterEventHandler userClickedHandler,
MouseEventHandler linkMouseEnterHandler,
MouseEventHandler linkMouseLeaveHandler)
{
// input argument check
if (string.IsNullOrEmpty(word))
{
return;
}
Inline element = ConvertToInline(word, urlClickedHandler, userClickedHandler, linkMouseEnterHandler, linkMouseLeaveHandler);
if (null != element)
{
textblock.Inlines.Add(element);
}
}
/// <summary>
/// Converts a string into an inline element
/// The provided event handlers will be used when element is clicked
/// </summary>
/// <param name="word"></param>
/// <param name="urlClickedHandler"></param>
/// <param name="userClickedHandler"></param>
/// <returns></returns>
public static Inline ConvertToInline(
string word,
TwitterEventHandler urlClickedHandler,
TwitterEventHandler userClickedHandler,
MouseEventHandler linkMouseEnterHandler,
MouseEventHandler linkMouseLeaveHandler)
{
Hyperlink link;
// input arg check
if (string.IsNullOrEmpty(word))
{
return null;
}
// convert string to user link
if (word.IndexOf(Constants.REPLY_PREFIX) == 0)
{
link = new Hyperlink();
link.Inlines.Add(word);
link.Foreground = Brushes.LightBlue;
link.Click += new RoutedEventHandler(userClickedHandler);
return link;
}
// convert string to url
if (TryParseUrl(word, out link))
{
link.Foreground = Brushes.LightBlue;
link.Click += new RoutedEventHandler(urlClickedHandler);
// hover url opens a preview browser
link.MouseEnter += new MouseEventHandler(linkMouseEnterHandler);
link.MouseLeave += new MouseEventHandler(linkMouseLeaveHandler);
return link;
}
// return plain text
return new Run(word);
}
/// <summary>
/// Converts a string into an inline element
/// The provided event handlers will be used when element is clicked
/// </summary>
/// <param name="word"></param>
/// <param name="urlClickedHandler"></param>
/// <param name="userClickedHandler"></param>
/// <returns></returns>
public static Inline ConvertToInline(
string word,
TwitterEventHandler urlClickedHandler,
TwitterEventHandler userClickedHandler,
MouseEventHandler linkMouseEnterHandler,
MouseEventHandler linkMouseLeaveHandler)
{
Hyperlink link;
// input arg check
if (string.IsNullOrEmpty(word))
{
return(null);
}
// convert string to user link
if (word.IndexOf(Constants.REPLY_PREFIX) == 0)
{
link = new Hyperlink();
link.Inlines.Add(word);
link.Foreground = Brushes.LightBlue;
link.Click += new RoutedEventHandler(userClickedHandler);
return(link);
}
// convert string to url
if (TryParseUrl(word, out link))
{
link.Foreground = Brushes.LightBlue;
link.Click += new RoutedEventHandler(urlClickedHandler);
// hover url opens a preview browser
link.MouseEnter += new MouseEventHandler(linkMouseEnterHandler);
link.MouseLeave += new MouseEventHandler(linkMouseLeaveHandler);
return(link);
}
// return plain text
return(new Run(word));
}
