protected override Size ArrangeOverride(Size finalSize)
{
if (Orientation == Orientation.Vertical)
{
int totalHeight = 0;
int maxWidth = VisualChildren.Cast <BlockElement>().Select(c => c.DesiredSize.Width).Concat(finalSize.Width).Max();
foreach (BlockElement child in VisualChildren)
{
int height = child.DesiredSize.Height;
child.Arrange(new Rect(0, totalHeight, maxWidth, height));
totalHeight += height;
}
return(finalSize);
}
else
{
int totalWidth = 0;
int maxHeight = VisualChildren.Cast <BlockElement>().Select(c => c.DesiredSize.Height).Concat(finalSize.Height).Max();
foreach (BlockElement child in VisualChildren)
{
int width = child.DesiredSize.Width;
child.Arrange(new Rect(totalWidth, 0, width, maxHeight));
totalWidth += width;
}
return(finalSize);
}
}
protected override Size MeasureOverride(Size availableSize)
{
if (availableSize.Width == 0)
{
return(new Size(0, 0));
}
if (_inlineSequence == null)
{
_inlineSequence = new InlineSequence(this);
foreach (InlineElement child in VisualChildren.Cast <InlineElement>())
{
child.GenerateSequence(_inlineSequence);
}
_inlineSequence.ValidateStackSize();
}
_lines = new LineWrapper(this, availableSize).WrapSegments();
return(new Size(_lines.Select(GetLineLength).Max(), _lines.Count));
}
public override void GenerateSequence(IInlineSequence sequence)
{
if (sequence == null)
{
throw new ArgumentNullException(nameof(sequence));
}
if (Color != null)
{
sequence.PushColor(Color.Value);
}
if (Background != null)
{
sequence.PushBackground(Background.Value);
}
if (Text != null)
{
sequence.AppendText(Text);
}
else
{
foreach (InlineElement child in VisualChildren.Cast <InlineElement>())
{
child.GenerateSequence(sequence);
}
}
if (Background != null)
{
sequence.PopFormatting();
}
if (Color != null)
{
sequence.PopFormatting();
}
}
