override public void Redo()
{
deleted = new string[mementos.Length];
int offset = 0;
for (int i = 0; i < mementos.Length; i++)
{
SelectionMemento memento = mementos[i];
memento.caret += offset;
memento.anchor += offset;
string deletedI;
if (!memento.Empty)
{
deletedI = lines.GetText(memento.Left, memento.Count);
lines.RemoveText(memento.Left, memento.Count);
offset -= memento.Count;
}
else
{
deletedI = "";
}
deleted[i] = deletedI;
mementos[i] = memento;
}
SetSelectionMementos(mementos);
foreach (Selection selection in selections)
{
selection.anchor = selection.Left;
selection.caret = selection.anchor;
lines.SetPreferredPos(selection, lines.PlaceOf(selection.caret));
}
lines.JoinSelections();
}
override public void Undo()
{
int offset = 0;
for (int i = 0; i < mementos.Length; i++)
{
SelectionMemento memento = mementos[i];
memento.anchor += offset;
memento.caret += offset;
int anchor = memento.anchor;
lines.RemoveText(memento.Left, memento.Count);
string text = deleted[i];
lines.InsertText(memento.Left, text);
offset += text.Length;
memento.anchor = anchor;
memento.caret = anchor;
Place place = lines.PlaceOf(memento.caret);
memento.preferredPos = lines[place.iLine].PosOfIndex(place.iChar);
mementos[i] = memento;
}
deleted = null;
SetSelectionMementos(mementos);
lines.viStoreSelector.ViStoreMementos(mementos);
}
override public void Redo()
{
deleted = new string[mementos.Length];
int offset = 0;
for (int i = 0; i < mementos.Length; i++)
{
SelectionMemento memento = mementos[i];
memento.anchor += offset;
memento.caret += offset;
string deletedI = lines.GetText(memento.Left, memento.Count);
string pastedI = pasted[i];
lines.RemoveText(memento.Left, memento.Count);
lines.InsertText(memento.Left, pastedI);
memento.caret += pastedI.Length;
memento.anchor += pastedI.Length;
offset += -memento.Count + pastedI.Length;
mementos[i] = memento;
deleted[i] = deletedI;
}
SetSelectionMementos(mementos);
foreach (Selection selection in selections)
{
selection.anchor = selection.Left;
selection.caret = selection.anchor;
Place place = lines.PlaceOf(selection.caret);
lines.SetPreferredPos(selection, place);
}
lines.JoinSelections();
}
protected SelectionMemento[] GetSelectionMementos()
{
SelectionMemento[] mementos = new SelectionMemento[selections.Count];
for (int i = 0; i < mementos.Length; i++)
{
mementos[i] = selections[i].Memento;
mementos[i].index = i;
}
Array.Sort(mementos, SelectionMemento.CompareSelections);
return(mementos);
}
public static int CompareSelections(SelectionMemento a, SelectionMemento b)
{
int aLeft = a.anchor < a.caret ? a.anchor : a.caret;
int bLeft = b.anchor < b.caret ? b.anchor : b.caret;
int result;
if (aLeft == bLeft)
{
result = (a.anchor < a.caret ? a.caret : a.anchor) - (b.anchor < b.caret ? b.caret : b.anchor);
}
else
{
result = aLeft - bLeft;
}
return(result);
}
override public void Redo()
{
deleted = new string[mementos.Length];
int offset = 0;
for (int i = 0; i < mementos.Length; i++)
{
string text = GetText(i);
SelectionMemento memento = mementos[i];
memento.anchor += offset;
memento.caret += offset;
string deletedI = lines.GetText(memento.Left, memento.Count);
lines.RemoveText(memento.Left, memento.Count);
lines.InsertText(memento.Left, text);
memento.caret += text.Length;
memento.anchor += text.Length;
offset += -memento.Count + text.Length;
mementos[i] = memento;
deleted[i] = deletedI;
}
SetSelectionMementos(mementos);
if (changeSelection)
{
foreach (Selection selection in selections)
{
selection.anchor = selection.Left;
selection.caret = selection.anchor;
Place place = lines.PlaceOf(selection.caret);
lines.SetPreferredPos(selection, place);
}
}
else
{
for (int i = 0; i < selections.Count; i++)
{
Selection selection = selections[i];
int length = GetText(i).Length;
selection.anchor -= length;
selection.caret -= length;
Place place = lines.PlaceOf(selection.caret);
lines.SetPreferredPos(selection, place);
}
}
lines.JoinSelections();
}
override public void Redo()
{
deleted = new string[mementos.Length];
int offset = 0;
for (int i = 0; i < mementos.Length; i++)
{
SelectionMemento memento = mementos[i];
memento.anchor += offset;
memento.caret += offset;
string deletedI;
if (memento.caret > 0)
{
deletedI = lines.GetText(memento.caret - 1, 1);
if (deletedI == "\n" && memento.caret > 1 && lines.GetText(memento.caret - 2, 1) == "\r")
{
deletedI = "\r\n";
lines.RemoveText(memento.caret - 2, 2);
memento.caret -= 2;
offset -= 2;
}
else
{
lines.RemoveText(memento.caret - 1, 1);
memento.caret--;
offset--;
}
}
else
{
deletedI = "";
}
deleted[i] = deletedI;
memento.anchor = memento.caret;
Place place = lines.PlaceOf(memento.caret);
memento.preferredPos = lines[place.iLine].PosOfIndex(place.iChar);
mementos[i] = memento;
}
SetSelectionMementos(mementos);
lines.JoinSelections();
}
override public void Undo()
{
int offset = 0;
for (int i = 0; i < mementos.Length; i++)
{
SelectionMemento memento = mementos[i];
memento.anchor += offset;
memento.caret += offset;
string deletedI = deleted[i];
string pastedI = pasted[i];
memento.anchor -= pastedI.Length;
memento.caret -= pastedI.Length;
lines.RemoveText(memento.Left, pastedI.Length);
lines.InsertText(memento.Left, deletedI);
offset += deletedI.Length - pastedI.Length;
Place place = lines.PlaceOf(memento.caret);
memento.preferredPos = lines[place.iLine].PosOfIndex(place.iChar);
mementos[i] = memento;
}
deleted = null;
SetSelectionMementos(mementos);
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();
}
override public bool Init()
{
bool allow = false;
foreach (Selection selection in selections)
{
if (!selection.Empty)
{
Place place0 = lines.PlaceOf(selection.Left);
Place place1 = lines.PlaceOf(selection.Right);
if (place1.iLine - place0.iLine > 0)
{
allow = true;
break;
}
}
}
if (!allow)
{
return(false);
}
lines.JoinSelections();
mementos = GetSelectionMementos();
List <Range> ranges = new List <Range>();
int iRange = 0;
for (int i = 0; i < mementos.Length; i++)
{
SelectionMemento memento = mementos[i];
Place place0 = lines.PlaceOf(memento.Left);
Place place1 = lines.PlaceOf(memento.Right);
int iLine0 = place0.iLine;
int iLine1 = place1.iLine;
if (iLine1 > iLine0 && place1.iChar == 0)
{
iLine1--;
}
int start = memento.Left - place0.iChar;
if (iRange > 0)
{
Range prevRange = ranges[iRange - 1];
if (prevRange.iLine1 >= iLine0 - 1)
{
prevRange.iLine1 = iLine1;
ranges[iRange - 1] = prevRange;
}
else
{
ranges.Add(new Range(iLine0, iLine1, start));
iRange++;
}
}
else
{
ranges.Add(new Range(iLine0, iLine1, start));
iRange++;
}
}
this.ranges = ranges.ToArray();
return(true);
}
override public bool Init()
{
int minIndex = 0;
int maxIndex = 0;
if (selections.Count > 0)
{
minIndex = selections[0].anchor;
maxIndex = selections[0].anchor;
}
for (int i = 0; i < selections.Count; i++)
{
Selection selection = selections[i];
if (minIndex > selection.anchor)
{
minIndex = selection.anchor;
}
if (maxIndex < selection.anchor)
{
maxIndex = selection.anchor;
}
if (minIndex > selection.caret)
{
minIndex = selection.caret;
}
if (maxIndex < selection.caret)
{
maxIndex = selection.caret;
}
}
if (isUp && lines.PlaceOf(minIndex).iLine <= 0 ||
!isUp && lines.PlaceOf(maxIndex).iLine >= lines.LinesCount - 1)
{
return(false);
}
lines.JoinSelections();
mementos = GetSelectionMementos();
List <Range> ranges = new List <Range>();
int iRange = 0;
for (int i = 0; i < mementos.Length; i++)
{
SelectionMemento memento = mementos[i];
Place place0 = lines.PlaceOf(memento.Left);
Place place1 = lines.PlaceOf(memento.Right);
int iLine0 = place0.iLine;
int iLine1 = place1.iLine;
int start = memento.Left - place0.iChar;
if (iRange > 0)
{
Range prevRange = ranges[iRange - 1];
if (prevRange.iLine1 >= iLine0 - 1)
{
prevRange.iLine1 = iLine1;
ranges[iRange - 1] = prevRange;
}
else
{
ranges.Add(new Range(iLine0, iLine1, start));
iRange++;
}
}
else
{
ranges.Add(new Range(iLine0, iLine1, start));
iRange++;
}
}
this.ranges = ranges.ToArray();
return(true);
}
