public HeightTree(TextDocument document, double defaultLineHeight)
{
this.document = document;
weakLineTracker = WeakLineTracker.Register(document, this);
this.DefaultLineHeight = defaultLineHeight;
RebuildDocument();
}
/// <summary>
/// Registers the <paramref name="targetTracker"/> as line tracker for the <paramref name="textDocument"/>.
/// A weak reference to the target tracker will be used, and the WeakLineTracker will deregister itself
/// when the target tracker is garbage collected.
/// </summary>
public static WeakLineTracker Register(TextDocument textDocument, ILineTracker targetTracker)
{
if (textDocument == null)
throw new ArgumentNullException("textDocument");
if (targetTracker == null)
throw new ArgumentNullException("targetTracker");
WeakLineTracker wlt = new WeakLineTracker(textDocument, targetTracker);
textDocument.LineTrackers.Add(wlt);
return wlt;
}
/// <summary>
/// Registers the <paramref name="targetTracker"/> as line tracker for the <paramref name="textDocument"/>.
/// A weak reference to the target tracker will be used, and the WeakLineTracker will deregister itself
/// when the target tracker is garbage collected.
/// </summary>
public static WeakLineTracker Register(TextDocument textDocument, ILineTracker targetTracker)
{
if (textDocument == null)
{
throw new ArgumentNullException("textDocument");
}
if (targetTracker == null)
{
throw new ArgumentNullException("targetTracker");
}
WeakLineTracker wlt = new WeakLineTracker(textDocument, targetTracker);
textDocument.LineTrackers.Add(wlt);
return(wlt);
}
public TextLayer(TextView parent, TextDocument textDocument)
: base(parent)
{
Document = textDocument;
elementGenerators = new ObserveAddRemoveCollection<VisualLineElementGenerator>(ElementGenerator_Added, ElementGenerator_Removed);
lineTransformers = new ObserveAddRemoveCollection<IVisualLineTransformer>(LineTransformer_Added, LineTransformer_Removed);
heightTree = new HeightTree(textDocument, 16); //TODO Skin.DefaultFont.Size
lines = new Dictionary<DocumentLine, VisualLine>();
GlobalTextRunProperties = new TextRunProperties { Foreground = Color.Black};
lineTransformers = new ObserveAddRemoveCollection<IVisualLineTransformer>(LineTransformer_Added,LineTransformer_Removed);
HighlightingDefinition = HighlightingManager.DefaultHighlightingManager.Instance.GetDefinition("C#");
var colorizer = new HighlightingColorizer(highlightingDefinition.MainRuleSet);
lineTransformers.Add(colorizer);
weakLineTracker = WeakLineTracker.Register(textDocument, this);
RebuildDocument();
}
public void Dispose()
{
if (weakLineTracker != null)
weakLineTracker.Deregister();
this.root = null;
this.weakLineTracker = null;
}