/// <summary>
/// This method checks if the given block syntaxes are too long based on the configured limits. If so, the block syntax
/// and the corresponding limit configuration is put together in an instance of <see cref="LongCodeBlockOccurrence">LongCodeBlockOccurrence</see>.
/// </summary>
/// <param name="codeBlocks">The list of block syntaxes that will be analyzed.</param>
private void AnalyzeAndCacheLongCodeBlockOccurrences(IEnumerable <BlockSyntax> codeBlocks)
{
if (codeBlocks == null)
{
throw new ArgumentNullException(nameof(codeBlocks));
}
_longCodeBlockOccurrences.Clear();
foreach (var codeBlock in codeBlocks)
{
var linesOfCode = codeBlock
.WithoutLeadingTrivia()
.WithoutTrailingTrivia()
.GetText()
.Lines
.Count;
var correspondingLimitConfiguration = null as LongMethodLimitConfiguration;
foreach (var limitConfiguration in ConfigurationManager.Configuration.MethodTooLongLimits.OrderBy(limit => limit.Lines))
{
if (linesOfCode < limitConfiguration.Lines)
{
break;
}
correspondingLimitConfiguration = limitConfiguration;
}
if (correspondingLimitConfiguration != null)
{
var occurence = new LongCodeBlockOccurrence(codeBlock, correspondingLimitConfiguration);
_longCodeBlockOccurrences.Add(occurence);
}
}
}
/// <summary>
/// This method creates the visual for a code block background and moves it to the correct position.
/// </summary>
/// <param name="adornmentBounds">The bounds of the rectangular adornment.</param>
/// <param name="longCodeBlockOccurence">The occurence of the code block for which the visual will be created.</param>
/// <returns>Returns the image that is the visual adornment (code block background).</returns>
private Image CreateAndPositionCodeBlockBackgroundVisual(Rect adornmentBounds, LongCodeBlockOccurrence longCodeBlockOccurence)
{
if (adornmentBounds == null)
{
throw new ArgumentNullException(nameof(adornmentBounds));
}
if (longCodeBlockOccurence == null)
{
throw new ArgumentNullException(nameof(longCodeBlockOccurence));
}
var backgroundGeometry = new RectangleGeometry(adornmentBounds);
var backgroundBrush = new SolidColorBrush(longCodeBlockOccurence.LimitConfiguration.Color);
backgroundBrush.Freeze();
var drawing = new GeometryDrawing(backgroundBrush, ConfigurationManager.LongCodeBlockBorderPen, backgroundGeometry);
drawing.Freeze();
var drawingImage = new DrawingImage(drawing);
drawingImage.Freeze();
var image = new Image
{
Source = drawingImage
};
Canvas.SetLeft(image, adornmentBounds.Left);
Canvas.SetTop(image, adornmentBounds.Top);
return(image);
}
