override public void Undo()
{
int k = 0;
for (int i = 0; i < ranges.Length; i++)
{
Range range = ranges[i];
int iLine0 = range.iLine0;
int iLine1 = range.iLine1;
LineIterator iterator = lines.GetLineRange(iLine0, iLine1 - iLine0 + 1);
while (iterator.MoveNext())
{
Memento deletedI = deleted[k++];
Line line = iterator.current;
line.Chars_RemoveRange(0, deletedI.count);
line.Chars_InsertRange(0, deletedI.text);
iterator.InvalidateCurrentText(deletedI.text.Length - deletedI.count);
}
}
deleted = null;
SetSelectionMementos(mementos);
lines.ResetTextCache();
lines.viStoreSelector.ViStoreMementos(mementos);
}
override public void Redo()
{
SetSelectionMementos(mementos);
List <SelectionPlace> places = new List <SelectionPlace>();
foreach (Selection selection in lines.selections)
{
places.Add(new SelectionPlace(lines.PlaceOf(selection.anchor), lines.PlaceOf(selection.caret)));
}
lineBreaks = new string[lines.LinesCount];
LineIterator iterator = lines.GetLineRange(0, lines.LinesCount);
while (iterator.MoveNext())
{
Line line = iterator.current;
string lineBreak = line.GetRN();
lineBreaks[iterator.Index] = lineBreak;
if (lineBreak != linesLineBreak && lineBreak != "")
{
line.Chars_RemoveRange(line.charsCount - lineBreak.Length, lineBreak.Length);
line.Chars_Add(new Char(linesLineBreak[0]));
if (linesLineBreak.Length > 1)
{
line.Chars_Add(new Char(linesLineBreak[1]));
}
iterator.InvalidateCurrentText(linesLineBreak.Length - lineBreak.Length);
}
}
for (int i = places.Count; i-- > 0;)
{
SelectionPlace place = places[i];
Selection selection = lines.selections[i];
selection.anchor = lines.IndexOf(place.anchor);
selection.caret = lines.IndexOf(place.caret);
}
lines.ResetTextCache();
}
override public void Undo()
{
LineIterator iterator = lines.GetLineRange(0, lines.LinesCount);
while (iterator.MoveNext())
{
Line line = iterator.current;
string lineBreak = lineBreaks[iterator.Index];
if (lineBreak != linesLineBreak && lineBreak != "")
{
line.Chars_RemoveRange(line.charsCount - linesLineBreak.Length, linesLineBreak.Length);
line.Chars_Add(new Char(lineBreak[0]));
if (lineBreak.Length > 1)
{
line.Chars_Add(new Char(lineBreak[1]));
}
iterator.InvalidateCurrentText(lineBreak.Length - linesLineBreak.Length);
}
}
SetSelectionMementos(mementos);
lines.ResetTextCache();
lines.viStoreSelector.ViStoreMementos(mementos);
}
override public void Redo()
{
int deletedLength = 0;
for (int i = 0; i < ranges.Length; i++)
{
Range range = ranges[i];
deletedLength += range.iLine1 - range.iLine0 + 1;
}
deleted = new Memento[deletedLength];
SelectionPart[] parts = new SelectionPart[mementos.Length * 2];
for (int i = 0; i < mementos.Length; i++)
{
SelectionMemento memento = mementos[i];
if (memento.anchor <= memento.caret)
{
parts[i * 2] = new SelectionPart(false, memento.index);
parts[i * 2 + 1] = new SelectionPart(true, memento.index);
}
else
{
parts[i * 2] = new SelectionPart(true, memento.index);
parts[i * 2 + 1] = new SelectionPart(false, memento.index);
}
}
int k = 0;
int iPart = 0;
int start = 0;
int offset = 0;
for (int i = 0; i < ranges.Length; i++)
{
Range range = ranges[i];
int iLine0 = range.iLine0;
int iLine1 = range.iLine1;
LineIterator iterator = lines.GetLineRange(iLine0, iLine1 - iLine0 + 1);
start = range.start;
while (iterator.MoveNext())
{
Line line = iterator.current;
int oldCount = line.charsCount;
string deletedI;
int tabsCount;
line.GetFirstIntegerTabs(out deletedI, out tabsCount);
List <char> chars = new List <char>();
if (isLeft)
{
if (lines.spacesInsteadTabs)
{
for (int j = 0; j < (tabsCount - 1) * lines.tabSize; j++)
{
chars.Add(' ');
}
}
else
{
for (int j = 0; j < tabsCount - 1; j++)
{
chars.Add('\t');
}
}
if (tabsCount == 0)
{
string spaces = "";
for (int j = deletedI.Length; j < line.charsCount && line.chars[j].c == ' '; j++)
{
spaces += ' ';
}
deletedI = spaces + deletedI;
}
}
else
{
if (lines.spacesInsteadTabs)
{
for (int j = 0; j < (tabsCount + 1) * lines.tabSize; j++)
{
chars.Add(' ');
}
}
else
{
for (int j = 0; j < tabsCount + 1; j++)
{
chars.Add('\t');
}
}
}
line.Chars_RemoveRange(0, deletedI.Length);
line.Chars_InsertRange(0, chars);
int delta = chars.Count - deletedI.Length;
iterator.InvalidateCurrentText(delta);
deleted[k++] = new Memento(deletedI, chars.Count);
while (iPart < parts.Length)
{
SelectionPart part = parts[iPart];
Selection selection = selections[part.index];
int selectionValue = part.isCaret ? selection.caret : selection.anchor;
if (delta < 0 && selectionValue - start >= 0 && selectionValue - start < -delta)
{
selectionValue = start;
}
else if (selectionValue >= start)
{
break;
}
if (part.isCaret)
{
selection.caret = selectionValue + offset;
}
else
{
selection.anchor = selectionValue + offset;
}
iPart++;
}
offset += delta;
start += oldCount;
}
}
while (iPart < parts.Length)
{
SelectionPart part = parts[iPart++];
if (part.isCaret)
{
selections[part.index].caret += offset;
}
else
{
selections[part.index].anchor += offset;
}
}
lines.ResetTextCache();
}
