/// <summary>
/// Stores element in the undo/redo buffer
/// </summary>
/// <param name="operation">Operation that will be save for the element</param>
/// <param name="element">Element to be buffered</param>
public void StoreInBuffer(BufferOperation operation, ShapeElement element)
{
UndoElement UndoElement = new UndoElement(element, operation);
this.undoManager.AddItem(UndoElement);
element.UndoShape = element.Copy();
}
/// <summary>
/// Buffer element class that is used for buffering actions for undoing/redoing
/// </summary>
/// <param name="currentShape">Current shape</param>
/// <param name="operation">Opertion</param>
public UndoElement(ShapeElement currentShape, BufferOperation operation)
{
this.currentShape = currentShape;
if (currentShape.UndoShape != null)
{
this.oldShape = currentShape.UndoShape.Copy();
}
this.newShape = currentShape.Copy();
this.operation = operation;
}