/// <inheritdoc/>
protected override IEnumerable <Segment> Render(RenderContext context, int maxWidth)
{
var border = BoxExtensions.GetSafeBorder(Border, (context.LegacyConsole || !context.Unicode) && UseSafeBorder);
var borderStyle = BorderStyle ?? Style.Plain;
var child = new Padder(_child, Padding);
var childWidth = maxWidth - EdgeWidth;
if (!Expand)
{
var measurement = ((IRenderable)child).Measure(context, maxWidth - EdgeWidth);
childWidth = measurement.Max;
}
var panelWidth = childWidth + EdgeWidth;
panelWidth = Math.Min(panelWidth, maxWidth);
var result = new List <Segment>();
// Panel top
AddTopBorder(result, context, border, borderStyle, panelWidth);
// Split the child segments into lines.
var childSegments = ((IRenderable)child).Render(context, childWidth);
foreach (var line in Segment.SplitLines(context, childSegments, childWidth))
{
if (line.Count == 1 && line[0].IsWhiteSpace)
{
// NOTE: This check might impact other things.
// Hopefully not, but there is a chance.
continue;
}
result.Add(new Segment(border.GetPart(BoxBorderPart.Left), borderStyle));
var content = new List <Segment>();
content.AddRange(line);
// Do we need to pad the panel?
var length = line.Sum(segment => segment.CellCount(context));
if (length < childWidth)
{
var diff = childWidth - length;
content.Add(new Segment(new string(' ', diff)));
}
result.AddRange(content);
result.Add(new Segment(border.GetPart(BoxBorderPart.Right), borderStyle));
result.Add(Segment.LineBreak);
}
// Panel bottom
AddBottomBorder(result, border, borderStyle, panelWidth);
return(result);
}
public void Should_Return_Safe_Border()
{
// Given, When
var border = BoxExtensions.GetSafeBorder(BoxBorder.Double, safe: true);
// Then
border.ShouldBeSameAs(BoxBorder.Double);
}
/// <inheritdoc/>
protected override IEnumerable <Segment> Render(RenderContext context, int maxWidth)
{
var edgeWidth = EdgeWidth;
var border = BoxExtensions.GetSafeBorder(Border, (context.LegacyConsole || !context.Unicode) && UseSafeBorder);
var borderStyle = BorderStyle ?? Style.Plain;
var showBorder = true;
if (border is NoBoxBorder)
{
showBorder = false;
edgeWidth = 0;
}
var child = new Padder(_child, Padding);
var childWidth = maxWidth - edgeWidth;
if (!Expand)
{
var measurement = ((IRenderable)child).Measure(context, maxWidth - edgeWidth);
childWidth = measurement.Max;
}
var panelWidth = childWidth + edgeWidth;
panelWidth = Math.Min(panelWidth, maxWidth);
var result = new List <Segment>();
if (showBorder)
{
// Panel top
AddTopBorder(result, context, border, borderStyle, panelWidth);
}
// Split the child segments into lines.
var childSegments = ((IRenderable)child).Render(context, childWidth);
foreach (var(_, _, last, line) in Segment.SplitLines(context, childSegments, childWidth).Enumerate())
{
if (line.Count == 1 && line[0].IsWhiteSpace)
{
// NOTE: This check might impact other things.
// Hopefully not, but there is a chance.
continue;
}
if (showBorder)
{
result.Add(new Segment(border.GetPart(BoxBorderPart.Left), borderStyle));
}
var content = new List <Segment>();
content.AddRange(line);
// Do we need to pad the panel?
var length = line.Sum(segment => segment.CellCount(context));
if (length < childWidth)
{
var diff = childWidth - length;
content.Add(Segment.Padding(diff));
}
result.AddRange(content);
if (showBorder)
{
result.Add(new Segment(border.GetPart(BoxBorderPart.Right), borderStyle));
}
// Don't emit a line break if this is the last
// line, we're not showing the border, and we're
// not rendering this inline.
var emitLinebreak = !(last && !showBorder && !Inline);
if (!emitLinebreak)
{
continue;
}
result.Add(Segment.LineBreak);
}
// Panel bottom
if (showBorder)
{
result.Add(new Segment(border.GetPart(BoxBorderPart.BottomLeft), borderStyle));
result.Add(new Segment(border.GetPart(BoxBorderPart.Bottom).Repeat(panelWidth - EdgeWidth), borderStyle));
result.Add(new Segment(border.GetPart(BoxBorderPart.BottomRight), borderStyle));
}
// TODO: Need a better name for this?
// If we're rendering this as part of an inline parent renderable,
// such as columns, we should not emit the last line break.
if (!Inline)
{
result.Add(Segment.LineBreak);
}
return(result);
}
