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Add support for aligning tables

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This commit is contained in:
Patrik Svensson
2020-10-21 17:59:55 +02:00
committed by Patrik Svensson
parent b52056ee49
commit 9afc1ea721
17 changed files with 542 additions and 132 deletions
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97
src/Spectre.Console/Internal/Aligner.cs Normal file
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using System;
using System.Collections.Generic;
using Spectre.Console.Rendering;
namespace Spectre.Console.Internal
{
internal static class Aligner
{
public static string Align(RenderContext context, string text, Justify? alignment, int maxWidth)
{
if (alignment == null || alignment == Justify.Left)
{
return text;
}
var width = Cell.GetCellLength(context, text);
if (width >= maxWidth)
{
return text;
}
switch (alignment)
{
case Justify.Right:
{
var diff = maxWidth - width;
return new string(' ', diff) + text;
}
case Justify.Center:
{
var diff = (maxWidth - width) / 2;
var left = new string(' ', diff);
var right = new string(' ', diff);
// Right side
var remainder = (maxWidth - width) % 2;
if (remainder != 0)
{
right += new string(' ', remainder);
}
return left + text + right;
}
default:
throw new NotSupportedException("Unknown alignment");
}
}
public static void Align<T>(RenderContext context, T segments, Justify? alignment, int maxWidth)
where T : List<Segment>
{
if (alignment == null || alignment == Justify.Left)
{
return;
}
var width = Segment.CellLength(context, segments);
if (width >= maxWidth)
{
return;
}
switch (alignment)
{
case Justify.Right:
{
var diff = maxWidth - width;
segments.Insert(0, new Segment(new string(' ', diff)));
break;
}
case Justify.Center:
{
// Left side.
var diff = (maxWidth - width) / 2;
segments.Insert(0, new Segment(new string(' ', diff)));
// Right side
segments.Add(new Segment(new string(' ', diff)));
var remainder = (maxWidth - width) % 2;
if (remainder != 0)
{
segments.Add(new Segment(new string(' ', remainder)));
}
break;
}
default:
throw new NotSupportedException("Unknown alignment");
}
}
}
}