private static void PrintListRows(DataTable dataTable, IEnumerable <DataRow> dataRows, bool rowOrdinals, int top, ValueToStringHandler toString, int repeatColumns, RepeatDirection repeatDirection, string delimiter, string[] columnNames, string ordinalColumnName = null)
{
if (dataTable != null && string.IsNullOrEmpty(dataTable.TableName) == false)
{
WriteLine("{0}:", dataTable.TableName);
}
if (dataRows.Count() == 0)
{
WriteLine("No rows were selected");
WriteLine();
return;
}
DataColumn[] columns = GetColumns(dataTable, columnNames, ordinalColumnName);
if (columns.Length == 0)
{
WriteLine("No columns were selected");
WriteLine();
return;
}
if (top > 0)
{
dataRows = dataRows.Take(top);
}
int columnsLength = columns.Select(c => c.ColumnName.Length).Max();
int[] lengths = new int[columns.Length];
foreach (DataRow row in dataRows)
{
CalculateLengths(row, columns, lengths, toString);
}
int rowsLength = lengths.Max();
if (rowOrdinals)
{
if (dataRows.Count() > 0)
{
if (columnsLength < 7) // "Ordinal".Length
{
columnsLength = 7;
}
int maxRowOrdinal = 0;
if (string.IsNullOrEmpty(ordinalColumnName))
{
maxRowOrdinal = dataRows.Select(row => row.Table.Rows.IndexOf(row)).Max();
}
else
{
maxRowOrdinal = dataRows.Select(row => (int)row[ordinalColumnName]).Max();
}
if (maxRowOrdinal > -1)
{
int rowOrdinalsLength = maxRowOrdinal.ToString().Length;
if (rowsLength < rowOrdinalsLength)
{
rowsLength = rowOrdinalsLength;
}
}
}
}
if (repeatColumns < 1)
{
repeatColumns = 1;
}
if (repeatColumns > dataRows.Count())
{
repeatColumns = dataRows.Count();
}
int lastRowFilledCellsCount = dataRows.Count() % repeatColumns;
if (lastRowFilledCellsCount == 0)
{
lastRowFilledCellsCount = repeatColumns;
}
int lastRowEmptyCellsCount = repeatColumns - lastRowFilledCellsCount;
int rowsCount = (dataRows.Count() / repeatColumns) + (dataRows.Count() % repeatColumns > 0 ? 1 : 0);
if (delimiter == null)
{
delimiter = string.Empty;
}
string cellFormat = string.Format(" {{{{0,-{0}}}}}{1}{{{{{{0}},-{2}}}}} {3}", columnsLength, delimiter, rowsLength, Verticl_Bar);
string horizontal = new String(Horizontal_Bar, columnsLength + delimiter.Length + rowsLength + 2);
string header = Top_Left.ToString();
string separator = Middle_Left.ToString();
string footer = Bottom_Left.ToString();
string format = Verticl_Bar.ToString();
int k = 0;
for (; k < repeatColumns - 1; k++)
{
header += horizontal + Top_Center;
separator += horizontal + Middle_Center;
footer += horizontal + Bottom_Center;
format += string.Format(cellFormat, k + 1);
}
k = repeatColumns - 1;
if (k >= 0)
{
header += horizontal + Top_Right;
separator += horizontal + Middle_Right;
footer += horizontal + Bottom_Right;
format += string.Format(cellFormat, k + 1);
}
string formatPartial = format;
if (lastRowEmptyCellsCount > 0)
{
formatPartial = Verticl_Bar.ToString();
for (int i = 0; i < lastRowFilledCellsCount; i++)
{
formatPartial += string.Format(cellFormat, i + 1);
}
for (int i = 0; i < lastRowEmptyCellsCount; i++)
{
formatPartial += new String(' ', columnsLength + delimiter.Length + rowsLength + 2) + Verticl_Bar;
}
}
object[] objects = new object[repeatColumns + 1];
if (repeatDirection == RepeatDirection.Horizontal)
{
for (int i = 0; i < rowsCount; i++)
{
WriteLine(i == 0 ? header : separator);
var rows = dataRows.Skip(i * repeatColumns).Take(repeatColumns);
PrintListRow(rows, columns, objects, (i < rowsCount - 1 ? format : formatPartial), rowOrdinals, toString, ordinalColumnName);
}
}
else if (repeatDirection == RepeatDirection.Vertical && lastRowEmptyCellsCount == 0)
{
for (int i = 0; i < rowsCount; i++)
{
WriteLine(i == 0 ? header : separator);
var rows = dataRows.Where((r, n) => n % rowsCount == i);
PrintListRow(rows, columns, objects, (i < rowsCount - 1 ? format : formatPartial), rowOrdinals, toString, ordinalColumnName);
}
}
else if (repeatDirection == RepeatDirection.Vertical && lastRowEmptyCellsCount > 0)
{
for (int i = 0; i < rowsCount; i++)
{
WriteLine(i == 0 ? header : separator);
var rows = dataRows.Where((r, n) =>
(n < lastRowFilledCellsCount * rowsCount && n % rowsCount == i) ||
(n >= lastRowFilledCellsCount * rowsCount && (n - (lastRowFilledCellsCount * rowsCount)) % (rowsCount - 1) == i)
);
PrintListRow(rows, columns, objects, (i < rowsCount - 1 ? format : formatPartial), rowOrdinals, toString, ordinalColumnName);
}
}
WriteLine(footer);
WriteLine();
}
private static void PrintRows(DataTable dataTable, IEnumerable <DataRow> dataRows, bool rowOrdinals, int top, ValueToStringHandler toString, string[] columnNames, string ordinalColumnName = null)
{
if (dataTable == null && dataRows.Count() == 0)
{
WriteLine("No rows were selected");
WriteLine();
return;
}
if (dataTable != null && string.IsNullOrEmpty(dataTable.TableName) == false)
{
WriteLine("{0}:", dataTable.TableName);
}
DataColumn[] columns = GetColumns(dataTable, columnNames, ordinalColumnName);
if (columns.Length == 0)
{
WriteLine("No columns were selected");
WriteLine();
return;
}
if (top > 0)
{
dataRows = dataRows.Take(top);
}
int[] lengths = columns.Select(c => c.ColumnName.Length).ToArray();
foreach (DataRow row in dataRows)
{
CalculateLengths(row, columns, lengths, toString);
}
int rowOrdinalsLength = 0;
if (rowOrdinals)
{
if (dataRows.Count() > 0)
{
int maxRowOrdinal = 0;
if (string.IsNullOrEmpty(ordinalColumnName))
{
maxRowOrdinal = dataRows.Select(row => row.Table.Rows.IndexOf(row)).Max();
}
else
{
maxRowOrdinal = dataRows.Select(row => (int)row[ordinalColumnName]).Max();
}
if (maxRowOrdinal > -1)
{
rowOrdinalsLength = maxRowOrdinal.ToString().Length;
}
}
}
string header = Top_Left.ToString();
string separator = Middle_Left.ToString();
string footer = Bottom_Left.ToString();
string formatHeaders = Verticl_Bar.ToString();
string format = Verticl_Bar.ToString();
if (rowOrdinals)
{
string horizontal = new String(Horizontal_Bar, rowOrdinalsLength + 2);
header += horizontal + Top_Center;
separator += horizontal + Middle_Center;
footer += horizontal + Bottom_Center;
formatHeaders += string.Format(" {{0,-{0}}} {1}", rowOrdinalsLength, Verticl_Bar);
format += string.Format(" {{0,{0}}} {1}", rowOrdinalsLength, Verticl_Bar);
}
int k = 0;
for (; k < columns.Length - 1; k++)
{
string horizontal = new String(Horizontal_Bar, lengths[k] + 2);
header += horizontal + Top_Center;
separator += horizontal + Middle_Center;
footer += horizontal + Bottom_Center;
string cellFormat = string.Format(" {{{0},-{1}}} {2}", k + 1, lengths[k], Verticl_Bar);
formatHeaders += cellFormat;
format += cellFormat;
}
k = columns.Length - 1;
if (k >= 0)
{
string horizontal = new String(Horizontal_Bar, lengths[k] + 2);
header += horizontal + Top_Right;
separator += horizontal + Middle_Right;
footer += horizontal + Bottom_Right;
string cellFormat = string.Format(" {{{0},-{1}}} {2}", k + 1, lengths[k], Verticl_Bar);
formatHeaders += cellFormat;
format += cellFormat;
}
object[] objects = new object[columns.Length + 1];
WriteLine(header);
objects[0] = string.Empty;
for (int i = 0; i < columns.Length; i++)
{
objects[i + 1] = columns[i];
}
WriteLine(formatHeaders, objects);
WriteLine(separator);
foreach (DataRow row in dataRows)
{
if (rowOrdinals)
{
int ordinal = 0;
if (string.IsNullOrEmpty(ordinalColumnName))
{
ordinal = row.Table.Rows.IndexOf(row);
}
else
{
ordinal = (int)row[ordinalColumnName];
}
objects[0] = (ordinal > -1 ? ordinal : (int?)null);
}
for (int i = 0; i < columns.Length; i++)
{
object obj = row[columns[i]];
string str = null;
if (toString != null)
{
str = toString(obj, row, columns[i]);
if (str == null)
{
str = "null";
}
}
else
{
str = string.Format("{0}", (obj == DBNull.Value || obj == null ? "null" : obj));
}
objects[i + 1] = str;
}
WriteLine(format, objects);
}
WriteLine(footer);
WriteLine();
}