public bool Merge(IMemento otherMemento)
{
DrawableContainerBoundsChangeMemento other = otherMemento as DrawableContainerBoundsChangeMemento;
if (other != null)
{
if (Objects.CompareLists <IDrawableContainer>(listOfdrawableContainer, other.listOfdrawableContainer))
{
// Lists are equal, as we have the state already we can ignore the new memento
return(true);
}
}
return(false);
}
public IMemento Restore() {
DrawableContainerBoundsChangeMemento oldState = new DrawableContainerBoundsChangeMemento(listOfdrawableContainer);
for(int index = 0; index < listOfdrawableContainer.Count; index++) {
IDrawableContainer drawableContainer = listOfdrawableContainer[index];
// Before
drawableContainer.Invalidate();
drawableContainer.Left = points[index].X;
drawableContainer.Top = points[index].Y;
drawableContainer.Width = sizes[index].Width;
drawableContainer.Height = sizes[index].Height;
// After
drawableContainer.Invalidate();
drawableContainer.Parent.Modified = true;
}
return oldState;
}
public IMemento Restore()
{
var oldState = new DrawableContainerBoundsChangeMemento(_listOfdrawableContainer);
for (int index = 0; index < _listOfdrawableContainer.Count; index++)
{
IDrawableContainer drawableContainer = _listOfdrawableContainer[index];
// Before
drawableContainer.Invalidate();
drawableContainer.Left = _points[index].X;
drawableContainer.Top = _points[index].Y;
drawableContainer.Width = _sizes[index].Width;
drawableContainer.Height = _sizes[index].Height;
// After
drawableContainer.Invalidate();
drawableContainer.Parent.Modified = true;
}
return(oldState);
}