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Add support for markup text in panel header

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This commit is contained in:
Patrik Svensson
2020-11-07 03:17:31 +01:00
committed by Patrik Svensson
parent be3350a411
commit b1da5e7ba8
12 changed files with 121 additions and 142 deletions
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68
src/Spectre.Console/Widgets/Rule.cs
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@ -9,7 +9,7 @@ namespace Spectre.Console
/// <summary>
/// A renderable horizontal rule.
/// </summary>
public sealed class Rule : Renderable, IAlignable
public sealed class Rule : Renderable, IAlignable, IHasBoxBorder
{
/// <summary>
/// Gets or sets the rule title markup text.
@ -26,6 +26,12 @@ namespace Spectre.Console
/// </summary>
public Justify? Alignment { get; set; }
/// <inheritdoc/>
public BoxBorder Border { get; set; } = BoxBorder.Square;
internal int TitlePadding { get; set; } = 2;
internal int TitleSpacing { get; set; } = 1;
/// <summary>
/// Initializes a new instance of the <see cref="Rule"/> class.
/// </summary>
@ -45,21 +51,23 @@ namespace Spectre.Console
/// <inheritdoc/>
protected override IEnumerable<Segment> Render(RenderContext context, int maxWidth)
{
if (Title == null || maxWidth <= 6)
var extraLength = (2 * TitlePadding) + (2 * TitleSpacing);
if (Title == null || maxWidth <= extraLength)
{
return GetLineWithoutTitle(maxWidth);
return GetLineWithoutTitle(context, maxWidth);
}
// Get the title and make sure it fits.
var title = GetTitleSegments(context, Title, maxWidth - 6);
if (Segment.CellCount(context, title) > maxWidth - 6)
var title = GetTitleSegments(context, Title, maxWidth - extraLength);
if (Segment.CellCount(context, title) > maxWidth - extraLength)
{
// Truncate the title
title = Segment.TruncateWithEllipsis(title, context, maxWidth - 6);
title = Segment.TruncateWithEllipsis(title, context, maxWidth - extraLength);
if (!title.Any())
{
// We couldn't fit the title at all.
return GetLineWithoutTitle(maxWidth);
return GetLineWithoutTitle(context, maxWidth);
}
}
@ -74,9 +82,11 @@ namespace Spectre.Console
return segments;
}
private IEnumerable<Segment> GetLineWithoutTitle(int maxWidth)
private IEnumerable<Segment> GetLineWithoutTitle(RenderContext context, int maxWidth)
{
var text = new string('─', maxWidth);
var border = Border.GetSafeBorder(context.LegacyConsole || !context.Unicode);
var text = border.GetPart(BoxBorderPart.Top).Repeat(maxWidth);
return new[]
{
new Segment(text, Style ?? Style.Plain),
@ -84,49 +94,51 @@ namespace Spectre.Console
};
}
private (Segment Left, Segment Right) GetLineSegments(RenderContext context, int maxWidth, IEnumerable<Segment> title)
private IEnumerable<Segment> GetTitleSegments(RenderContext context, string title, int width)
{
var alignment = Alignment ?? Justify.Center;
title = title.NormalizeLineEndings().Replace("\n", " ").Trim();
var markup = new Markup(title, Style);
return ((IRenderable)markup).Render(context.WithSingleLine(), width);
}
private (Segment Left, Segment Right) GetLineSegments(RenderContext context, int width, IEnumerable<Segment> title)
{
var titleLength = Segment.CellCount(context, title);
var border = Border.GetSafeBorder(context.LegacyConsole || !context.Unicode);
var borderPart = border.GetPart(BoxBorderPart.Top);
var alignment = Alignment ?? Justify.Center;
if (alignment == Justify.Left)
{
var left = new Segment(new string('─', 2) + " ", Style ?? Style.Plain);
var left = new Segment(borderPart.Repeat(TitlePadding) + new string(' ', TitleSpacing), Style ?? Style.Plain);
var rightLength = maxWidth - titleLength - left.CellCount(context) - 1;
var right = new Segment(" " + new string('─', rightLength), Style ?? Style.Plain);
var rightLength = width - titleLength - left.CellCount(context) - TitleSpacing;
var right = new Segment(new string(' ', TitleSpacing) + borderPart.Repeat(rightLength), Style ?? Style.Plain);
return (left, right);
}
else if (alignment == Justify.Center)
{
var leftLength = ((maxWidth - titleLength) / 2) - 1;
var left = new Segment(new string('─', leftLength) + " ", Style ?? Style.Plain);
var leftLength = ((width - titleLength) / 2) - TitleSpacing;
var left = new Segment(borderPart.Repeat(leftLength) + new string(' ', TitleSpacing), Style ?? Style.Plain);
var rightLength = maxWidth - titleLength - left.CellCount(context) - 1;
var right = new Segment(" " + new string('─', rightLength), Style ?? Style.Plain);
var rightLength = width - titleLength - left.CellCount(context) - TitleSpacing;
var right = new Segment(new string(' ', TitleSpacing) + borderPart.Repeat(rightLength), Style ?? Style.Plain);
return (left, right);
}
else if (alignment == Justify.Right)
{
var right = new Segment(" " + new string('─', 2), Style ?? Style.Plain);
var right = new Segment(new string(' ', TitleSpacing) + borderPart.Repeat(TitlePadding), Style ?? Style.Plain);
var leftLength = maxWidth - titleLength - right.CellCount(context) - 1;
var left = new Segment(new string('─', leftLength) + " ", Style ?? Style.Plain);
var leftLength = width - titleLength - right.CellCount(context) - TitleSpacing;
var left = new Segment(borderPart.Repeat(leftLength) + new string(' ', TitleSpacing), Style ?? Style.Plain);
return (left, right);
}
throw new NotSupportedException("Unsupported alignment.");
}
private IEnumerable<Segment> GetTitleSegments(RenderContext context, string title, int width)
{
title = title.NormalizeLineEndings().Replace("\n", " ").Trim();
var markup = new Markup(title, Style);
return ((IRenderable)markup).Render(context.WithSingleLine(), width - 6);
}
}
}