override public bool Init()
{
eraseCommand = new EraseSelectionCommand();
eraseCommand.lines = lines;
eraseCommand.selections = selections;
eraseCommand.Init();
return(true);
}
override public void Undo()
{
if (eraseCommand != null)
{
eraseCommand.Undo();
eraseCommand = null;
}
SetSelectionMementos(mementos);
}
override public void Undo()
{
if (eraseCommand != null)
{
eraseCommand.Undo();
eraseCommand = null;
}
SetSelectionMementos(mementos);
lines.viStoreSelector.ViStoreMementos(mementos);
}
override public void Redo()
{
lines.ResizeSelections(ranges.Count);
for (int i = ranges.Count; i-- > 0;)
{
SimpleRange range = ranges[i];
Selection selection = selections[i];
selection.anchor = lines.IndexOf(new Place(0, range.index));
Line endLine = lines[range.index + range.count - 1];
selection.caret = lines.IndexOf(new Place(endLine.charsCount, range.index + range.count - 1));
}
EraseSelectionCommand eraseCommand = new EraseSelectionCommand();
eraseCommand.lines = lines;
eraseCommand.selections = lines.selections;
if (eraseCommand.Init())
{
eraseCommand.Redo();
this.eraseCommand = eraseCommand;
}
}
override public void Redo()
{
lines.ResizeSelections(ranges.Count);
for (int i = ranges.Count; i-- > 0;)
{
SimpleRange range = ranges[i];
Line endLine = lines[range.index + range.count - 1];
Selection selection = selections[i];
if (range.index > 0 && range.index + range.count == lines.LinesCount)
{
Line startLine = lines[range.index - 1];
selection.anchor = lines.IndexOf(new Place(startLine.NormalCount, range.index - 1));
selection.caret = lines.IndexOf(new Place(endLine.charsCount, range.index + range.count - 1));
}
else
{
selection.anchor = lines.IndexOf(new Place(0, range.index));
selection.caret = lines.IndexOf(new Place(endLine.charsCount, range.index + range.count - 1));
}
}
EraseSelectionCommand eraseCommand = new EraseSelectionCommand();
eraseCommand.lines = lines;
eraseCommand.selections = lines.selections;
if (eraseCommand.Init())
{
eraseCommand.Redo();
this.eraseCommand = eraseCommand;
}
else
{
this.eraseCommand = null;
}
controller.ViMoveHome(false, true);
}