protected override void OnRender(DrawingContext drawingContext)
{
Size renderSize = this.RenderSize;
TextView textView = this.TextView;
if (textView != null && textView.VisualLinesValid)
{
var zeroLineInfo = changeWatcher.GetChange(0);
foreach (VisualLine line in textView.VisualLines)
{
Rect rect = new Rect(0, line.VisualTop - textView.ScrollOffset.Y - 1, 5, line.Height + 2);
LineChangeInfo info = changeWatcher.GetChange(line.FirstDocumentLine.LineNumber);
if (zeroLineInfo.Change == ChangeType.Deleted && line.FirstDocumentLine.LineNumber == 1 && info.Change != ChangeType.Unsaved)
{
info.Change = ChangeType.Modified;
}
switch (info.Change)
{
case ChangeType.None:
break;
case ChangeType.Added:
drawingContext.DrawRectangle(AddedLineBrush, null, rect);
break;
case ChangeType.Deleted:
case ChangeType.Modified:
drawingContext.DrawRectangle(ChangedLineBrush, null, rect);
break;
case ChangeType.Unsaved:
drawingContext.DrawRectangle(UnsavedLineBrush, null, rect);
break;
default:
throw new Exception("Invalid value for ChangeType");
}
}
}
}
protected override void OnRender(DrawingContext drawingContext)
{
Size renderSize = this.RenderSize;
TextView textView = this.TextView;
if (textView != null && textView.VisualLinesValid)
{
foreach (VisualLine line in textView.VisualLines)
{
Rect rect = new Rect(0, line.VisualTop - textView.ScrollOffset.Y, 5, line.Height);
LineChangeInfo info = changeWatcher.GetChange(line.FirstDocumentLine.LineNumber);
switch (info.Change)
{
case ChangeType.None:
break;
case ChangeType.Added:
drawingContext.DrawRectangle(Brushes.LightGreen, null, rect);
break;
case ChangeType.Deleted:
case ChangeType.Modified:
drawingContext.DrawRectangle(Brushes.LightBlue, null, rect);
break;
case ChangeType.Unsaved:
drawingContext.DrawRectangle(Brushes.Yellow, null, rect);
break;
default:
throw new Exception("Invalid value for ChangeType");
}
}
}
}