public static Tuple <UIElement, Tuple <int, int, string> > MakePreview(PreviewMap map, IMapValueItem itm, int previwCount, string value)
{
var grid = new Grid()
{
VerticalAlignment = VerticalAlignment.Stretch
};
Tuple <UIElement, Tuple <int, int, string> > res = new Tuple <UIElement, Tuple <int, int, string> >(grid, null);
grid.ColumnDefinitions.Add(new ColumnDefinition()
{
Width = GridLength.Auto
});
grid.ColumnDefinitions.Add(new ColumnDefinition() /*{ Width = GridLength.Auto }*/);
var nums = new StackPanel();
Grid.SetColumn(nums, 0);
var vals = new StackPanel();
Grid.SetColumn(vals, 1);
grid.Children.Add(vals);
/*
* var sb = new ScrollViewer() { Content = vals, HorizontalScrollBarVisibility = ScrollBarVisibility.Auto, VerticalScrollBarVisibility = ScrollBarVisibility.Disabled };
* Grid.SetColumn(sb, 1);
* grid.Children.Add(sb);
* //*/
grid.Children.Add(nums);
var changed = !string.IsNullOrWhiteSpace(value);
var lIdx = map.LineIndexAt(itm.Start);
var lIdx2 = map.LineIndexAt(itm.End);
var lastLine = Math.Min(lIdx2 + previwCount, map.LineStart.Count - 1);
for (var line = Math.Max(lIdx - previwCount, 0); line <= lastLine; line++)
{
var brush = (line >= lIdx && line <= lIdx2) ? Brushes.Green : Brushes.Black;
AddLine(nums, vals, line + 1, map.LineAt(line), brush, brush);
if (changed && line == lIdx2)
{
var rIdx = map.LineStart[lIdx];
var rLen = map.LineStart[lIdx2] + map.LineLength[lIdx2] - map.LineStart[lIdx];
//var str = map.Code.Substring(rIdx, rLen);
//try
//{
// var iIdx = itm.EditStart - map.LineStart[lIdx];
// var len = itm.EditEnd - itm.EditStart;
// str = str.Remove(iIdx, len);
// str = str.Insert(iIdx, value).Replace("\r\n", "\n");
// str = str.Replace("\r\n", "\n");
//}
//catch
//{
//}
//string[] lines = str.Split('\n');
string[] lines = map.Code.Substring(rIdx, rLen).
Remove(itm.EditStart - map.LineStart[lIdx], itm.EditEnd - itm.EditStart).
Insert(itm.EditStart - map.LineStart[lIdx], value).Replace("\r\n", "\n").Split('\n');
if (lines.Length > 1)
{
var idx = lIdx;
var tab = lines[0];
//ищем отступ
for (int i = 0; i < tab.Length; i++)
{
if (!char.IsWhiteSpace(tab[i]))
{
//оригинальный отступ + 2а пробела
tab = tab.Substring(0, i) + " ";
break;
}
}
//добавим отступы к строкам
for (int i = 1; i < lines.Length; i++)
{
lines[i] = tab + lines[i];
}
//выведем строки в предпросмотр
foreach (var ln in lines)
{
AddLine(nums, vals, ++idx, ln, Brushes.Red, Brushes.Red);
}
}
else if (lines.Length == 1)
{
AddLine(nums, vals, lIdx + 1, lines[0], Brushes.Red, Brushes.Red);
}
//данные для замены в файле, индекс начала, длина, и текст на замену
res = new Tuple <UIElement, Tuple <int, int, string> >(res.Item1, new Tuple <int, int, string>(rIdx, rLen, string.Join("\r\n", lines)));
}
}
return(res);
}
