void UpdateExecute(CancellationToken ct)
{
if (Value == null || Data == null || ct.IsCancellationRequested)
{
return;
}
var val = Value;
bool noChanges = val.Value == NewValue;
bool filterEmpty = true;
if (UseFormat)
{
try
{
filterEmpty = string.IsNullOrWhiteSpace(string.Format(Format, string.Empty));
}
catch { }
}
var previwCount = MainVM.Instance.PreviewLines / 2;
var map = new PreviewMap(Data.Text);
Count = 0;
List <UIElement> previews = new List <UIElement>();
foreach (var item in Data.Items)
{
if (ct.IsCancellationRequested)
{
return;
}
var itm = item as IMapValueItem;
if (itm != null && itm.Value == val.Value)
{
Count++;
string nVal = string.Empty;
try
{
nVal = string.Format(UseFormat ? Format : "{0}", noChanges ? UseFormat ? itm.NewValue(itm.Value) : string.Empty : itm.NewValue(NewValue));
}
catch { }
var previewData = MakePreview(map, itm, previwCount, nVal);
var stack = new StackPanel()
{
HorizontalAlignment = HorizontalAlignment.Right, Orientation = Orientation.Horizontal
};
if (!noChanges || !filterEmpty)
{
var btnApply = new Button()
{
Style = addBtn, DataContext = previewData.Item2, Content = new System.Windows.Shapes.Path()
{
Data = apply, Fill = Brushes.Black, Stretch = Stretch.Uniform
}
};
btnApply.Click += BtnApply_Click;
stack.Children.Add(btnApply);
}
var btnShow = new Button()
{
Style = showBtn, DataContext = itm, Content = new System.Windows.Shapes.Path()
{
Data = show, Fill = Brushes.Black, Stretch = Stretch.Uniform
}
};
btnShow.Click += BtnShow_Click;
stack.Children.Add(btnShow);
var lIdx = map.LineIndexAt(itm.Start);
var lIdx2 = map.LineIndexAt(itm.End);
var header = lIdx == lIdx2?string.Format("line: {0}", lIdx + 1) : string.Format("lines: {0} - {1}", lIdx + 1, lIdx2 + 1);
stack.Children.Add(new TextBlock()
{
Text = header,
VerticalAlignment = VerticalAlignment.Center,
Margin = stackMargin
});
previews.Add(new Expander()
{
Header = stack,
Content = previewData.Item1,
IsExpanded = MainVM.Instance.ExpandedPreviews,
Background = Brushes.LightYellow,
Margin = expanderMargin
});
}
}
if (!ct.IsCancellationRequested)
{
foreach (var p in previews)
{
ContentContainer.Children.Add(p);
}
}
Helpers.mainCTX.Post(_ => NotifyPropertyChanged(nameof(Count)), null);
}
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);
}
