private void LongOutput(IEnumerable <ItemInfo> items)
{
var attributeColumn = new OutputColumn();
var nameColumn = new OutputColumn();
var sizeColumn = new OutputColumn();
var timeColumn = new OutputColumn();
var itemList = new List <ItemInfo>();
foreach (var item in items)
{
nameColumn.Add(item.Name);
attributeColumn.Add(item.IsDir ? "d---------" : "----------");
sizeColumn.Add((item.IsDir || !item.Size.HasValue) ? "---" : FormatSize(item.Size.Value));
timeColumn.Add(item.LastWriteTime.Value.ToString("yyyy-MM-dd HH:mm"));
itemList.Add(item);
}
var indexes = Enumerable.Range(0, nameColumn.Count).ToList();
var comparer = new IndexComparer(itemList);
indexes.Sort(comparer);
foreach (var id in indexes)
{
var sb = new StringBuilder();
sb.Append(attributeColumn.Items[id]);
sb.Append(_columnSep);
if (sizeColumn.Items[id].Length < sizeColumn.MaxWidth)
{
sb.Append(' ', sizeColumn.MaxWidth - sizeColumn.Items[id].Length);
}
sb.Append(sizeColumn.Items[id]);
sb.Append(_columnSep);
if (timeColumn.Items[id].Length < timeColumn.MaxWidth)
{
sb.Append(' ', timeColumn.MaxWidth - timeColumn.Items[id].Length);
}
sb.Append(timeColumn.Items[id]);
sb.Append(_columnSep);
sb.Append(nameColumn.Items[id]);
_config.ItemAction(sb.ToString(), itemList[id]);
_config.EndOfLineAction();
}
}
private void DefaultOutput(IEnumerable <ItemInfo> items)
{
var nameColumn = new OutputColumn();
var itemList = new List <ItemInfo>();
foreach (var item in items)
{
nameColumn.Add(item.Name);
itemList.Add(item);
}
if (nameColumn.Count == 0)
{
return;
}
var indexes = Enumerable.Range(0, nameColumn.Count).ToList();
var comparer = new IndexComparer(itemList, foldersFirst: false);
indexes.Sort(comparer);
// Figure out how many columns can fit the output
var maxWidth = Console.WindowWidth;
var numColumns = Math.Min(15, nameColumn.Count);
var columnWidths = new List <int>();
var done = false;
while (numColumns > 1)
{
columnWidths.Clear();
// Compute the window with necessary to display the output in numColumns columns
var numRows = (nameColumn.Count + numColumns - 1) / numColumns;
var numFullColumns = nameColumn.Count - (numRows - 1) * numColumns; // The number of items in the last row, in other words
var itemId = 0;
for (var i = 0; i < numColumns; ++i)
{
var thisColumnNum = i < numFullColumns ? numRows : (numRows - 1);
var thisColumnWidth = 0;
for (var j = 0; j < thisColumnNum; ++j)
{
thisColumnWidth = Math.Max(thisColumnWidth, nameColumn.Items[indexes[itemId]].Length);
++itemId;
}
columnWidths.Add(thisColumnWidth);
}
var width = columnWidths.Sum() + (columnWidths.Count - 1) * _columnSep.Length;
if (width < maxWidth)
{
var rowsData = new List <int> [numRows];
for (var i = 0; i < rowsData.Length; ++i)
{
rowsData[i] = new List <int>();
}
itemId = 0;
for (var i = 0; i < columnWidths.Count; ++i)
{
var thisColumnNum = i < numFullColumns ? numRows : (numRows - 1);
for (var j = 0; j < thisColumnNum; ++j)
{
rowsData[j].Add(indexes[itemId]);
++itemId;
}
}
for (var i = 0; i < numRows; ++i)
{
for (var j = 0; j < rowsData[i].Count; ++j)
{
if (j > 0)
{
_config.ItemAction(_columnSep, null);
}
var str = nameColumn.Items[rowsData[i][j]];
_config.ItemAction(str, itemList[rowsData[i][j]]);
if (str.Length < columnWidths[j])
{
for (var k = 0; k < (columnWidths[j] - str.Length); ++k)
{
_config.ItemAction(" ", null);
}
}
}
_config.EndOfLineAction();
}
done = true;
break;
}
--numColumns;
}
if (!done)
{
// Single column output
for (var i = 0; i < nameColumn.Count; ++i)
{
_config.ItemAction(nameColumn.Items[indexes[i]], itemList[indexes[i]]);
_config.EndOfLineAction();
}
}
}