public static void SortSelectedLines(TextEditor textEditor)
{
var selectionRegion = textEditor.SelectionRegion;
var start = selectionRegion.Begin;
var end = selectionRegion.End;
var caret = textEditor.CaretLocation;
int startLine = start.Line;
int endLine = end.Line;
if (startLine == endLine)
{
return;
}
int length = 0;
var lines = new string[endLine - startLine + 1];
for (int i = startLine; i <= endLine; i++)
{
//get lines *with* line endings
var lineText = textEditor.GetLineText(i, true);
lines [i - startLine] = lineText;
length += lineText.Length;
}
var linesUnsorted = new string[lines.Length];
Array.Sort(lines, StringComparer.Ordinal);
bool changed = false;
for (int i = 0; i <= lines.Length; i++)
{
//can't simply use reference comparison as Array.Sort is not stable
if (string.Equals(lines [i], linesUnsorted [i], StringComparison.Ordinal))
{
continue;
}
changed = true;
break;
}
if (!changed)
{
return;
}
var sb = new StringBuilder();
for (int i = 0; i < lines.Length; i++)
{
sb.Append(lines [i]);
}
var startOffset = textEditor.LocationToOffset(startLine, 1);
textEditor.ReplaceText(startOffset, length, sb.ToString());
textEditor.CaretLocation = LimitColumn(textEditor, caret);
textEditor.SetSelection(LimitColumn(textEditor, start), LimitColumn(textEditor, end));
}
