public void Add(SnapshotSpan span, string text)
{
if (text.Equals(""))
return;
if (span.Length == 0)
throw new ArgumentOutOfRangeException("span");
if (text == null)
throw new ArgumentNullException("text");
//Create a post adornment given the span, and text.
adornment = new TranslationAdornment(span, text);
//Add it to the list of posts.
translations.Add(adornment);
//Raise the changed event.
EventHandler<TranslationsChangedEventArgs> postsChanged = this.TranslationsChanged;
if (postsChanged != null)
postsChanged(this, new TranslationsChangedEventArgs(adornment, null));
}
private void DrawPost(TranslationAdornment post)
{
SnapshotSpan span = post.Span.GetSpan(this.view.TextSnapshot);
Geometry g = this.view.TextViewLines.GetMarkerGeometry(span);
if (g != null)
{
//Find the rightmost coordinate of all the lines that intersect the adornment.
double maxRight = 0.0;
foreach (ITextViewLine line in this.view.TextViewLines.GetTextViewLinesIntersectingSpan(span))
maxRight = Math.Max(maxRight, line.Right);
//Create the visualization.
TranslationInfoDisplay block = new TranslationInfoDisplay(maxRight, this.view.ViewportRight, g, post.Text);
block.onMouseDown += RemoveAdornment;
block.onMouseDown += (o, e) => { this.layer.RemoveAdornment(o as System.Windows.UIElement);
this.provider.translations.Remove(post);
};
//Add it to the layer.
this.layer.AddAdornment(span, post, block);
}
}
public TranslationsChangedEventArgs(TranslationAdornment added, TranslationAdornment removed)
{
this.TranslationAdded = added;
this.TranslationRemoved = removed;
}