private static IEnumerable <Segment> RenderAnnotation(TableRendererContext context, TableTitle?header, Style defaultStyle)
{
if (header == null)
{
return(Array.Empty <Segment>());
}
var paragraph = new Markup(header.Text.CapitalizeFirstLetter(), header.Style ?? defaultStyle)
.Alignment(Justify.Center)
.Overflow(Overflow.Ellipsis);
// Render the paragraphs
var segments = new List <Segment>();
segments.AddRange(((IRenderable)paragraph).Render(context.Options, context.TableWidth));
// Align over the whole buffer area
Aligner.Align(context.Options, segments, context.Alignment, context.MaxWidth);
segments.Add(Segment.LineBreak);
return(segments);
}
private IEnumerable <Segment> RenderAnnotation(
RenderContext context, TableTitle?header,
int maxWidth, int tableWidth, Style defaultStyle)
{
if (header == null)
{
return(Array.Empty <Segment>());
}
var paragraph = new Markup(header.Text.Capitalize(), header.Style ?? defaultStyle)
.Alignment(Justify.Center)
.Overflow(Overflow.Ellipsis);
var items = new List <Segment>();
items.AddRange(((IRenderable)paragraph).Render(context, tableWidth));
// Align over the whole buffer area
Aligner.Align(context, items, Alignment, maxWidth);
items.Add(Segment.LineBreak);
return(items);
}
/// <inheritdoc/>
protected override IEnumerable <Segment> Render(RenderContext context, int maxWidth)
{
if (context is null)
{
throw new ArgumentNullException(nameof(context));
}
var border = Border.GetSafeBorder((context.LegacyConsole || !context.Unicode) && UseSafeBorder);
var borderStyle = BorderStyle ?? Style.Plain;
var tableWidth = maxWidth;
var actualMaxWidth = maxWidth;
var showBorder = Border.Visible;
var hideBorder = !Border.Visible;
var hasRows = _rows.Count > 0;
var hasFooters = _columns.Any(c => c.Footer != null);
if (Width != null)
{
maxWidth = Math.Min(Width.Value, maxWidth);
}
maxWidth -= GetExtraWidth(includePadding: true);
// Calculate the column and table widths
var columnWidths = CalculateColumnWidths(context, maxWidth);
// Update the table width.
tableWidth = columnWidths.Sum() + GetExtraWidth(includePadding: true);
if (tableWidth <= 0 || tableWidth > actualMaxWidth || columnWidths.Any(c => c <= 0))
{
return(new List <Segment>(new[] { new Segment("…", BorderStyle ?? Style.Plain) }));
}
var rows = new List <TableRow>();
if (ShowHeaders)
{
// Add columns to top of rows
rows.Add(new TableRow(new List <IRenderable>(_columns.Select(c => c.Header))));
}
// Add rows.
rows.AddRange(_rows);
if (hasFooters)
{
rows.Add(new TableRow(new List <IRenderable>(_columns.Select(c => c.Footer ?? Text.Empty))));
}
var result = new List <Segment>();
result.AddRange(RenderAnnotation(context, Title, actualMaxWidth, tableWidth, _defaultHeadingStyle));
// Iterate all rows
foreach (var(index, firstRow, lastRow, row) in rows.Enumerate())
{
var cellHeight = 1;
// Get the list of cells for the row and calculate the cell height
var cells = new List <List <SegmentLine> >();
foreach (var(columnIndex, _, _, (rowWidth, cell)) in columnWidths.Zip(row).Enumerate())
{
var justification = _columns[columnIndex].Alignment;
var childContext = context.WithJustification(justification);
var lines = Segment.SplitLines(context, cell.Render(childContext, rowWidth));
cellHeight = Math.Max(cellHeight, lines.Count);
cells.Add(lines);
}
// Show top of header?
if (firstRow && showBorder)
{
var separator = Aligner.Align(context, border.GetColumnRow(TablePart.Top, columnWidths, _columns), Alignment, actualMaxWidth);
result.Add(new Segment(separator, borderStyle));
result.Add(Segment.LineBreak);
}
// Show footer separator?
if (ShowFooters && lastRow && showBorder && hasFooters)
{
var textBorder = border.GetColumnRow(TablePart.FooterSeparator, columnWidths, _columns);
if (!string.IsNullOrEmpty(textBorder))
{
var separator = Aligner.Align(context, textBorder, Alignment, actualMaxWidth);
result.Add(new Segment(separator, borderStyle));
result.Add(Segment.LineBreak);
}
}
// Make cells the same shape
cells = Segment.MakeSameHeight(cellHeight, cells);
// Iterate through each cell row
foreach (var cellRowIndex in Enumerable.Range(0, cellHeight))
{
var rowResult = new List <Segment>();
foreach (var(cellIndex, firstCell, lastCell, cell) in cells.Enumerate())
{
if (firstCell && showBorder)
{
// Show left column edge
var part = firstRow && ShowHeaders ? TableBorderPart.HeaderLeft : TableBorderPart.CellLeft;
rowResult.Add(new Segment(border.GetPart(part), borderStyle));
}
// Pad column on left side.
if (showBorder || IsGrid)
{
var leftPadding = _columns[cellIndex].Padding.GetLeftSafe();
if (leftPadding > 0)
{
rowResult.Add(new Segment(new string(' ', leftPadding)));
}
}
// Add content
rowResult.AddRange(cell[cellRowIndex]);
// Pad cell content right
var length = cell[cellRowIndex].Sum(segment => segment.CellCount(context));
if (length < columnWidths[cellIndex])
{
rowResult.Add(new Segment(new string(' ', columnWidths[cellIndex] - length)));
}
// Pad column on the right side
if (showBorder || (hideBorder && !lastCell) || (hideBorder && lastCell && IsGrid && PadRightCell))
{
var rightPadding = _columns[cellIndex].Padding.GetRightSafe();
if (rightPadding > 0)
{
rowResult.Add(new Segment(new string(' ', rightPadding)));
}
}
if (lastCell && showBorder)
{
// Add right column edge
var part = firstRow && ShowHeaders ? TableBorderPart.HeaderRight : TableBorderPart.CellRight;
rowResult.Add(new Segment(border.GetPart(part), borderStyle));
}
else if (showBorder)
{
// Add column separator
var part = firstRow && ShowHeaders ? TableBorderPart.HeaderSeparator : TableBorderPart.CellSeparator;
rowResult.Add(new Segment(border.GetPart(part), borderStyle));
}
}
// Align the row result.
Aligner.Align(context, rowResult, Alignment, actualMaxWidth);
// Is the row larger than the allowed max width?
if (Segment.CellCount(context, rowResult) > actualMaxWidth)
{
result.AddRange(Segment.Truncate(context, rowResult, actualMaxWidth));
}
else
{
result.AddRange(rowResult);
}
result.Add(Segment.LineBreak);
}
// Show header separator?
if (firstRow && showBorder && ShowHeaders && hasRows)
{
var separator = Aligner.Align(context, border.GetColumnRow(TablePart.HeaderSeparator, columnWidths, _columns), Alignment, actualMaxWidth);
result.Add(new Segment(separator, borderStyle));
result.Add(Segment.LineBreak);
}
// Show bottom of footer?
if (lastRow && showBorder)
{
var separator = Aligner.Align(context, border.GetColumnRow(TablePart.Bottom, columnWidths, _columns), Alignment, actualMaxWidth);
result.Add(new Segment(separator, borderStyle));
result.Add(Segment.LineBreak);
}
}
result.AddRange(RenderAnnotation(context, Caption, actualMaxWidth, tableWidth, _defaultCaptionStyle));
return(result);
}
public static List <Segment> Render(TableRendererContext context, List <int> columnWidths)
{
// Can't render the table?
if (context.TableWidth <= 0 || context.TableWidth > context.MaxWidth || columnWidths.Any(c => c <= 0))
{
return(new List <Segment>(new[] { new Segment("…", context.BorderStyle ?? Style.Plain) }));
}
var result = new List <Segment>();
result.AddRange(RenderAnnotation(context, context.Title, _defaultHeadingStyle));
// Iterate all rows
foreach (var(index, isFirstRow, isLastRow, row) in context.Rows.Enumerate())
{
var cellHeight = 1;
// Get the list of cells for the row and calculate the cell height
var cells = new List <List <SegmentLine> >();
foreach (var(columnIndex, _, _, (rowWidth, cell)) in columnWidths.Zip(row).Enumerate())
{
var justification = context.Columns[columnIndex].Alignment;
var childContext = context.Options.WithJustification(justification);
var lines = Segment.SplitLines(context.Options, cell.Render(childContext, rowWidth));
cellHeight = Math.Max(cellHeight, lines.Count);
cells.Add(lines);
}
// Show top of header?
if (isFirstRow && context.ShowBorder)
{
var separator = Aligner.Align(context.Options, context.Border.GetColumnRow(TablePart.Top, columnWidths, context.Columns), context.Alignment, context.MaxWidth);
result.Add(new Segment(separator, context.BorderStyle));
result.Add(Segment.LineBreak);
}
// Show footer separator?
if (context.ShowFooters && isLastRow && context.ShowBorder && context.HasFooters)
{
var textBorder = context.Border.GetColumnRow(TablePart.FooterSeparator, columnWidths, context.Columns);
if (!string.IsNullOrEmpty(textBorder))
{
var separator = Aligner.Align(context.Options, textBorder, context.Alignment, context.MaxWidth);
result.Add(new Segment(separator, context.BorderStyle));
result.Add(Segment.LineBreak);
}
}
// Make cells the same shape
cells = Segment.MakeSameHeight(cellHeight, cells);
// Iterate through each cell row
foreach (var cellRowIndex in Enumerable.Range(0, cellHeight))
{
var rowResult = new List <Segment>();
foreach (var(cellIndex, isFirstCell, isLastCell, cell) in cells.Enumerate())
{
if (isFirstCell && context.ShowBorder)
{
// Show left column edge
var part = isFirstRow && context.ShowHeaders ? TableBorderPart.HeaderLeft : TableBorderPart.CellLeft;
rowResult.Add(new Segment(context.Border.GetPart(part), context.BorderStyle));
}
// Pad column on left side.
if (context.ShowBorder || context.IsGrid)
{
var leftPadding = context.Columns[cellIndex].Padding.GetLeftSafe();
if (leftPadding > 0)
{
rowResult.Add(new Segment(new string(' ', leftPadding)));
}
}
// Add content
rowResult.AddRange(cell[cellRowIndex]);
// Pad cell content right
var length = cell[cellRowIndex].Sum(segment => segment.CellCount(context.Options));
if (length < columnWidths[cellIndex])
{
rowResult.Add(new Segment(new string(' ', columnWidths[cellIndex] - length)));
}
// Pad column on the right side
if (context.ShowBorder || (context.HideBorder && !isLastCell) || (context.HideBorder && isLastCell && context.IsGrid && context.PadRightCell))
{
var rightPadding = context.Columns[cellIndex].Padding.GetRightSafe();
if (rightPadding > 0)
{
rowResult.Add(new Segment(new string(' ', rightPadding)));
}
}
if (isLastCell && context.ShowBorder)
{
// Add right column edge
var part = isFirstRow && context.ShowHeaders ? TableBorderPart.HeaderRight : TableBorderPart.CellRight;
rowResult.Add(new Segment(context.Border.GetPart(part), context.BorderStyle));
}
else if (context.ShowBorder)
{
// Add column separator
var part = isFirstRow && context.ShowHeaders ? TableBorderPart.HeaderSeparator : TableBorderPart.CellSeparator;
rowResult.Add(new Segment(context.Border.GetPart(part), context.BorderStyle));
}
}
// Align the row result.
Aligner.Align(context.Options, rowResult, context.Alignment, context.MaxWidth);
// Is the row larger than the allowed max width?
if (Segment.CellCount(context.Options, rowResult) > context.MaxWidth)
{
result.AddRange(Segment.Truncate(context.Options, rowResult, context.MaxWidth));
}
else
{
result.AddRange(rowResult);
}
result.Add(Segment.LineBreak);
}
// Show header separator?
if (isFirstRow && context.ShowBorder && context.ShowHeaders && context.HasRows)
{
var separator = Aligner.Align(context.Options, context.Border.GetColumnRow(TablePart.HeaderSeparator, columnWidths, context.Columns), context.Alignment, context.MaxWidth);
result.Add(new Segment(separator, context.BorderStyle));
result.Add(Segment.LineBreak);
}
// Show bottom of footer?
if (isLastRow && context.ShowBorder)
{
var separator = Aligner.Align(context.Options, context.Border.GetColumnRow(TablePart.Bottom, columnWidths, context.Columns), context.Alignment, context.MaxWidth);
result.Add(new Segment(separator, context.BorderStyle));
result.Add(Segment.LineBreak);
}
}
result.AddRange(RenderAnnotation(context, context.Caption, _defaultCaptionStyle));
return(result);
}