public static void SaveState()
{
firstSaveState = true;
ringBuffer.Push(SerializerFigure.SerializeAllFigures(ref _figureArray));
_form.IsChanged = !ringBuffer.IsSaved;
_btnRedo.Enabled = false;
_btnUndo.Enabled = true;
}
public static void Copy(List <Figure> selectedFigureArray)
{
if (selectedFigureArray == null)
{
return;
}
Clipboard.SetText(MainDrawForm.Signature + SerializerFigure.SerializeAllFigures(ref selectedFigureArray));
}
public static void Reset()
{
firstSaveState = false;
_btnRedo.Enabled = false;
_btnUndo.Enabled = false;
ringBuffer = new RingBuffer <string>(bufferSize);
ringBuffer.Push(SerializerFigure.SerializeAllFigures(ref _figureArray));
ringBuffer.IsSaved = true;
_form.IsChanged = !ringBuffer.IsSaved;
}
public static void Init(Button btnUndo, Button btnRedo, PaintBox paintBox, ref List <Figure> figureArray, MainDrawForm form)
{
_btnUndo = btnUndo;
_btnUndo.Click += Undo;
_btnRedo = btnRedo;
_btnRedo.Click += Redo;
_paintBox = paintBox;
_figureArray = figureArray;
_form = form;
ringBuffer.Push(SerializerFigure.SerializeAllFigures(ref _figureArray));
}
public static void Redo(object sender, EventArgs e)
{
if (!firstSaveState)
{
return;
}
_btnUndo.Enabled = true;
_btnRedo.Enabled = ringBuffer.Up();;
for (int i = _figureArray.Count - 1; i >= 0; i--)
{
_figureArray.Remove(_figureArray[i]);
}
_figureArray.AddRange(SerializerFigure.Parse(ringBuffer.Value));
_form.IsChanged = !ringBuffer.IsSaved;
_paintBox.Invalidate();
}
public static void Paste(ref List <Figure> figureArray)
{
if (Clipboard.ContainsText())
{
string str = Clipboard.GetText();
if (str.Substring(0, MainDrawForm.Signature.Length) == MainDrawForm.Signature)
{
str = str.Remove(0, MainDrawForm.Signature.Length);
Figure[] figures = SerializerFigure.Parse(str);
foreach (var figure in figures)
{
figure.Move(PointW.ScrnToPointW(new Point(Offeset, Offeset)));
}
figureArray.AddRange(figures);
}
}
}
static void Cut(List <Figure> selectedFigureArray, ref List <Figure> figureArray)
{
Clipboard.SetText(MainDrawForm.Signature + SerializerFigure.SerializeAllFigures(ref selectedFigureArray));
}