/// <inheritdoc/>
protected override IEnumerable <Segment> Render(RenderContext context, int maxWidth)
{
var paddingWidth = Padding?.GetWidth() ?? 0;
var childWidth = maxWidth - paddingWidth;
if (!Expand)
{
var measurement = _child.Measure(context, maxWidth - paddingWidth);
childWidth = measurement.Max;
}
var width = childWidth + paddingWidth;
var result = new List <Segment>();
if (width > maxWidth)
{
width = maxWidth;
}
// Top padding
for (var i = 0; i < Padding.GetTopSafe(); i++)
{
result.Add(Segment.Padding(width));
result.Add(Segment.LineBreak);
}
var child = _child.Render(context, maxWidth - paddingWidth);
foreach (var line in Segment.SplitLines(child))
{
// Left padding
if (Padding.GetLeftSafe() != 0)
{
result.Add(Segment.Padding(Padding.GetLeftSafe()));
}
result.AddRange(line);
// Right padding
if (Padding.GetRightSafe() != 0)
{
result.Add(Segment.Padding(Padding.GetRightSafe()));
}
// Missing space on right side?
var lineWidth = line.CellCount();
var diff = width - lineWidth - Padding.GetLeftSafe() - Padding.GetRightSafe();
if (diff > 0)
{
result.Add(Segment.Padding(diff));
}
result.Add(Segment.LineBreak);
}
// Bottom padding
for (var i = 0; i < Padding.GetBottomSafe(); i++)
{
result.Add(Segment.Padding(width));
result.Add(Segment.LineBreak);
}
return(result);
}
