/// <summary>
/// Creates a square image and attaches an event handler to the layout changed event that
/// adds the the square in the upper right-hand corner of the TextView via the adornment layer
/// </summary>
/// <param name="view">The <see cref="IWpfTextView"/> upon which the adornment will be drawn</param>
public LyricalEditor(IWpfTextView view, IEnumerable<Detail> details)
{
this.view = view;
var doc =
view.TextDataModel.DocumentBuffer.Properties.GetProperty<ITextDocument>(typeof(ITextDocument));
var file = doc.FilePath;
detail = details.FirstOrDefault(d => Regex.IsMatch(file, d.RuleRegex));
imageFile = SelectFile(detail, 0);
//Grab a reference to the adornment layer that this adornment should be added to
this.adornmentLayer = view.GetAdornmentLayer("LyricalEditor");
view.ViewportHeightChanged += delegate { this.onSizeChange(); };
view.ViewportWidthChanged += delegate { this.onSizeChange(); };
if (detail.IsSlideShow)
{
timer.Interval = TimeSpan.FromSeconds((double)detail.SlideShowTiming);
timer.Tick += delegate
{
crntImageIndex++;
if (crntImageIndex >= detail.Images.Count)
crntImageIndex = 0;
imageFile = SelectFile(detail, crntImageIndex);
SetImage();
};
timer.Start();
}
view.Closed += delegate { timer.Stop(); };
view.GotAggregateFocus += delegate { if (detail.IsSlideShow) timer.Start(); };
view.LostAggregateFocus += delegate { if (detail.IsSlideShow) timer.Stop(); };
}
static string SelectFile(Detail detail, int index)
{
if (detail == null || detail.Images.Count == 0)
return null;
if (detail.IsRandom)
{
var rand = new Random(DateTime.Now.Millisecond);
return detail.Images[rand.Next(detail.Images.Count)];
}
if (!detail.IsSlideShow)
return detail.Images[0];
return detail.Images[index];
}
private static Detail ValueOf(string d)
{
var elems = d.Split('\t');
var det = new Detail
{
RuleRegex = elems[0],
Opacity = int.Parse(elems[1]),
IsRandom = bool.Parse(elems[2]),
IsSlideShow = bool.Parse(elems[3]),
SlideShowTiming = decimal.Parse(elems[4]),
Images = elems.Skip(5).ToList()
};
return det;
}
