/// <summary>
/// Scale the widths given in the column specification to split up the specified full width as evenly as possible
/// </summary>
/// <exception cref="System.ArgumentOutOfRangeException">Thrown if the width is smaller than the number of columns</exception>
public static int[] ScaleColumnWidths(int fullWidth, ColumnFormat[] columnFormats)
{
fullWidth = Math.Abs(fullWidth);
// Two small to fit anything in
if (fullWidth < columnFormats.Length) { throw new ArgumentOutOfRangeException("fullWidth"); }
int[] specifiedWidths = columnFormats.Select(c => c.Width).ToArray();
return ColumnFormat.ScaleWidths(fullWidth, specifiedWidths);
}
private static ColumnFormat[] Helper(bool firstColumnMustBeVisible, params int[] widths)
{
ColumnFormat[] formats = new ColumnFormat[widths.Length];
for (int i = 0; i < widths.Length; ++i)
{
formats[i] = new ColumnFormat(widths[i]);
}
if (firstColumnMustBeVisible) formats[0].Visibility = ContentVisibility.ShowAll;
return formats;
}
/// <summary>
/// Scale the widths given in the column specification to split up the specified full width as evenly as possible
/// </summary>
/// <exception cref="System.ArgumentOutOfRangeException">Thrown if the width is smaller than the number of columns</exception>
public static int[] ScaleColumnWidths(int fullWidth, ColumnFormat[] columnFormats)
{
fullWidth = Math.Abs(fullWidth);
// Two small to fit anything in
if (fullWidth < columnFormats.Length)
{
throw new ArgumentOutOfRangeException("fullWidth");
}
int[] specifiedWidths = columnFormats.Select(c => c.Width).ToArray();
return(ColumnFormat.ScaleWidths(fullWidth, specifiedWidths));
}
private static ColumnFormat[] Helper(bool firstColumnMustBeVisible, params int[] widths)
{
ColumnFormat[] formats = new ColumnFormat[widths.Length];
for (int i = 0; i < widths.Length; ++i)
{
formats[i] = new ColumnFormat(widths[i]);
}
if (firstColumnMustBeVisible)
{
formats[0].Visibility = ContentVisibility.ShowAll;
}
return(formats);
}
private static int[] ScaleWidths(int fullWidth, int[] widths)
{
int[] columnWidths = new int[widths.Length];
int remainingWidth = fullWidth;
int fractionalWidths = 0;
// Add up the specified widths
for (int i = 0; i < columnWidths.Length; i++)
{
fractionalWidths += (columnWidths[i] = widths[i]);
}
// Scale up to whole numbers, adding any remainder
bool zeroSpace = false;
double widthMultiplier = (double)fullWidth / fractionalWidths;
for (int i = 0; i < columnWidths.Length; i++)
{
int scaledWidth = (int)(columnWidths[i] * widthMultiplier);
if (scaledWidth == 0)
{
zeroSpace = true;
columnWidths[i] = 1;
}
else
{
columnWidths[i] = scaledWidth;
}
remainingWidth -= columnWidths[i];
}
if (remainingWidth > 0)
{
columnWidths[columnWidths.Length - 1] += remainingWidth;
}
if (zeroSpace)
{
// Recursing should continue to drop us down to a truer fit
return(ColumnFormat.ScaleWidths(fullWidth, columnWidths));
}
else
{
return(columnWidths);
}
}
/// <summary>
/// Creates a standard table with a header row with the specifed widths (forcing first column visibility)
/// </summary>
public static Table Create(params int[] widths)
{
return(new Table(ColumnFormat.FromWidths(widths)));
}
// Font Colors:
// ============
// Red- \red255\green0\blue0;
// Orange- \red255\green192\blue0;
// Yellow- \red255\green255\blue0;
// Green- \red0\green176\blue80;
// Blue- \red0\green77\blue187;
// Purple- \red155\green0\blue211;
// Highlight Colors:
// =================
// Yellow- \red255\green255\blue0;
// Green- \red0\green255\blue0;
// LightBlue- \red0\green255\blue255;
// Pink- \red255\green0\blue255;
// {\colortbl ;}
// \highlight1/0
// \cf1/0
public override void Write(ITable table)
{
// <row> (<tbldef> <cell>+ <tbldef> \row) | (<tbldef> <cell>+ \row) | (<cell>+ <tbldef> \row)
// <cell> (<nestrow>? <tbldef>?) & <textpar>+ \cell
// 12 point font
// 6 point padding (120 twips)
// 14 point height (280 twips)
// 6.5" total width (9360 twips)
// Calculate widths (default 1n), converting to fractions of 6.5" in twips (9360)
int[] columnWidths = ColumnFormat.ScaleColumnWidths(9360, table.ColumnFormats);
// Create the row header
// \trowd // Start row
// \trgaph120 // Half space between cells in twips (6pt)
// \trrh280 // Row height in twips (0 auto, + at least, - exact) (14pt)
// \trpaddl120 // Cell left padding (6pt)
// \trpaddr120 // Cell right padding
// \trpaddfl3 // Left padding unit is twips
// \trpaddfr3 // Right padding unit is twips
StringBuilder rowHeader = new StringBuilder(128);
rowHeader.AppendFormat(@"{{\trowd\trgaph{0}\trrh-{1}\trpaddl{0}\trpaddr{0}\trpaddfl3\trpaddfr3",
RichTextLogger.FontSize / 2 * RichTextLogger.TwipsPerPoint, // Padding of half the font size
(RichTextLogger.FontSize + 2) * RichTextLogger.TwipsPerPoint); // Row height, negative to make "exactly"
int totalWidth = 0;
for (int i = 0; i < columnWidths.Length; i++)
{
totalWidth += columnWidths[i];
rowHeader.Append(@"\cellx");
rowHeader.Append(totalWidth);
}
bool headerRow = table.HasHeader;
this.priorControlCharacter = false;
foreach (var row in table.Rows)
{
this.richText.Append(rowHeader);
if (headerRow)
{
this.richText.Append(@"\b");
}
for (int i = 0; i < row.Length; i++)
{
string alignment;
switch (table.ColumnFormats[i].Justification)
{
case Justification.Centered:
alignment = @"\qc";
break;
case Justification.Right:
alignment = @"\qr";
break;
case Justification.Left:
default:
alignment = @"\ql";
break;
}
this.richText.AppendFormat(@"\pard\intbl\widctlpar{0} {1}\cell", alignment, this.Escape(row[i]));
}
if (headerRow)
{
this.richText.Append(@"\b0");
headerRow = false;
}
this.richText.Append(@"\row}");
}
this.priorControlCharacter = true;
}
/// <summary>
/// Construct a simple format array of x columns of equivalent width, forcing the first to be visible if possible
/// </summary>
public static ColumnFormat[] FromCount(int columns)
{
return(ColumnFormat.Helper(firstColumnMustBeVisible: true, widths: new int[columns]));
}
/// <summary>
/// Construct a simple format array of relative column widths, forcing the first to be visible if possible
/// </summary>
public static ColumnFormat[] FromWidths(params int[] widths)
{
return(ColumnFormat.Helper(firstColumnMustBeVisible: true, widths: widths));
}
public override void Write(ITable table)
{
// Get the desired column widths in characters
int columnCount = table.ColumnFormats.Length;
int[] columnWidths = ColumnFormat.ScaleColumnWidths(this.TableWidth, table.ColumnFormats);
// Convert tabs to spaces so we can layout properly and
// get our max widths to see if we fall under the TableWidth
List <string[]> rowsCopy = new List <string[]>();
int[] maxColumnWidth = new int[columnCount];
foreach (var row in table.Rows)
{
string[] rowCopy = new string[row.Length];
for (int i = 0; i < row.Length; i++)
{
rowCopy[i] = Strings.TabsToSpaces(row[i]);
if (table.ColumnFormats[i].Visibility.HasFlag(ContentVisibility.CompressWhitespace))
{
rowCopy[i] = Strings.CompressWhiteSpace(rowCopy[i]);
}
maxColumnWidth[i] = Math.Max(maxColumnWidth[i],
rowCopy[i].Length + 1); // We add a space between rows
}
rowsCopy.Add(rowCopy);
}
// Shrink the columns to fit, expanding the last column if needed with what we trim
int availableSpace = 0;
int neededSpace = 0;
for (int i = 0; i < columnCount; ++i)
{
int overage = columnWidths[i] - maxColumnWidth[i];
if (overage > 0)
{
availableSpace += overage;
columnWidths[i] -= overage;
}
else
{
neededSpace -= overage;
}
}
// Try to fit columns that have required visibility (greedy)
for (int i = 0; i < columnCount; ++i)
{
if (table.ColumnFormats[i].Visibility.HasFlag(ContentVisibility.ShowAll) &&
maxColumnWidth[i] > columnWidths[i])
{
int columnNeededSpace = maxColumnWidth[i] - columnWidths[i];
if (availableSpace >= columnNeededSpace)
{
// Plenty available
columnWidths[i] += columnNeededSpace;
availableSpace -= columnNeededSpace;
neededSpace -= columnNeededSpace;
}
else
{
// Take whatever is available
columnWidths[i] += availableSpace;
columnNeededSpace -= availableSpace;
neededSpace -= availableSpace;
availableSpace = 0;
// Keep culling a space from available columns while we can
while (columnNeededSpace > 0)
{
for (int j = 0; j < columnCount && columnNeededSpace > 0; j++)
{
if (!table.ColumnFormats[j].Visibility.HasFlag(ContentVisibility.ShowAll) &&
columnWidths[j] > 4) // Don't ever go below 4 (3 characters with a buffer space)
{
columnWidths[j]--;
columnWidths[i]++;
availableSpace++;
columnNeededSpace--;
neededSpace--;
}
}
// If we were unable to find any more space, bail
if (availableSpace == 0)
{
break;
}
else
{
availableSpace = 0;
}
}
}
}
}
// If we still have space and need it, try and fit any "normal" columns by evenly distributing space
while (neededSpace > 0 && availableSpace > 0)
{
for (int i = 0; i < columnCount; ++i)
{
if (maxColumnWidth[i] - columnWidths[i] > 0)
{
columnWidths[i]++;
neededSpace--;
if (--availableSpace == 0)
{
break;
}
}
}
}
// To make things look nicer, if we have enough space to add a single space to each column, do it
if (availableSpace >= columnCount)
{
for (int i = 0; i < columnCount; ++i)
{
columnWidths[i]++;
}
}
bool headerRow = table.HasHeader;
StringBuilder rowBuilder = new StringBuilder(TableWidth + 1);
foreach (var row in rowsCopy)
{
rowBuilder.Clear();
for (int i = 0; i < row.Length; i++)
{
bool lastColumn = (i == row.Length - 1);
rowBuilder.WriteColumn(
row[i],
table.ColumnFormats[i].Justification,
columnWidths[i] - 1,
lastColumn && !headerRow);
if (!lastColumn)
{
if (headerRow)
{
rowBuilder.Append('_');
}
else
{
rowBuilder.Append(' ');
}
}
}
if (headerRow)
{
WriteLine(WriteStyle.Underline, rowBuilder.ToString());
headerRow = false;
}
else
{
WriteLine(rowBuilder.ToString());
}
}
}
