/// <summary>
/// Called when the behavior is being detached from its
/// <see cref="Behavior{T}.AssociatedObject"/>, but before it has actually occurred.
/// </summary>
protected override void OnDetaching()
{
_markerRenderer.Markers = null;
AssociatedObject.TextArea.TextView.BackgroundRenderers.Remove(_markerRenderer);
_markerRenderer = null;
base.OnDetaching();
}
public DelegatePointMarker(MarkerRenderer renderCallback)
{
if (renderCallback == null)
{
throw new ArgumentNullException("renderCallback");
}
RenderCallback = renderCallback;
}
/// <summary>
/// Called after the behavior is attached to an <see cref="Behavior{T}.AssociatedObject"/>.
/// </summary>
protected override void OnAttached()
{
base.OnAttached();
_markerRenderer = new MarkerRenderer(AssociatedObject.TextArea.TextView)
{
Markers = Markers
};
AssociatedObject.TextArea.TextView.BackgroundRenderers.Add(_markerRenderer);
}
/// <summary>
/// Called in the constructor of <see cref="TextEditor"/>.
/// </summary>
private void Initialize()
{
// ----- Bracket markers
_bracketMarkerRenderer = new MarkerRenderer(TextArea.TextView)
{
Markers = new TextSegmentCollection <Marker>()
};
_bracketMarkerRenderer.Markers.CollectionChanged += (s, e) => TextArea.TextView.InvalidateLayer(_bracketMarkerRenderer.Layer);
TextArea.TextView.BackgroundRenderers.Add(_bracketMarkerRenderer);
// ----- Bracket highlighting
TextArea.Caret.PositionChanged += (s, e) => UpdateBracketHighlighting();
// ----- Formatting
TextArea.TextEntered += OnTextEntered;
// ----- Add command bindings
CommandBindings.Add(new CommandBinding(AvalonEditCommands.PasteMultiple, OnPasteMultiple, CanPasteMultiple));
CommandBindings.Add(new CommandBinding(AvalonEditCommands.Comment, (s, e) => CommentSelection(), CanCommentSelection));
CommandBindings.Add(new CommandBinding(AvalonEditCommands.Uncomment, (s, e) => UncommentSelection(), CanCommentSelection));
CommandBindings.Add(new CommandBinding(AvalonEditCommands.ToggleAllFolds, (s, e) => ToggleAllFoldings(), CanToggleFold));
CommandBindings.Add(new CommandBinding(AvalonEditCommands.ToggleFold, (s, e) => ToggleCurrentFolding(), CanToggleFold));
CommandBindings.Add(new CommandBinding(AvalonEditCommands.SyntaxHighlighting, (s, e) => SyntaxHighlighting = e.Parameter as IHighlightingDefinition));
}
public static PointMarker FromRenderer(MarkerRenderer renderer)
{
return new DelegatePointMarker(renderer);
}
public DelegatePointMarker(MarkerRenderer renderCallback) {
if (renderCallback == null)
throw new ArgumentNullException("renderCallback");
RenderCallback = renderCallback;
}
public static PointMarker FromRenderer(MarkerRenderer renderer)
{
return(new DelegatePointMarker(renderer));
}
