private DiscSpace CreateDiscSpace(DiscSpaceManager manager, DiscSpace parent, String name, String fullname)
{
if (CreateNewDiscSpace != null)
{
return(CreateNewDiscSpace.Invoke(manager, parent, name, fullname));
}
return(new DiscSpace(manager, parent, name, fullname));
}
public IInfoCache MapBack(DiscSpace space)
{
if (!mapping.ContainsValue(space))
{
return(null);
}
return(mapping.FirstOrDefault(x => x.Value == space).Key);
}
private void UpdateCurrentAndAllParents(DiscSpace current)
{
Update(current);
Updated?.Invoke(current);
if (current.Parent != null)
{
UpdateCurrentAndAllParents(current.Parent);
}
}
public DiscSpace(DiscSpaceManager manager, DiscSpace parent, string name, string fullname)
{
this.Parent = parent;
Name = name;
FullName = fullname;
Manager = manager;
Children = new List <DiscSpace>();
parent?.Children.Add(this);
IsLoaded = false;
}
private void AddLengthToAllParents(DiscSpace space, long length)
{
if (space == null)
{
return;
}
space.OrderedChildren = space.Children.OrderByDescending(x => x.Length).Where(x => x.Length >= space.Manager.MinimalLimit).ToList();
space.Length += length;
if (!IsRoot(space))
{
AddLengthToAllParents(space.Parent, length);
}
}
private void RaiseCreatedForArgumentAndAllParentsIfNotAlreadyRaised(DiscSpace space)
{
var parent = space.Parent;
if (!IsRoot(space))
{
RaiseCreatedForArgumentAndAllParentsIfNotAlreadyRaised(parent);;
}
if (!CreatedAlreadyRaised.Contains(space))
{
CreatedAlreadyRaised.Add(space);
Created?.Invoke(space);
}
}
/// <summary>
/// A new cache info is added to the disc space manager.
/// This results in a new disc space, if a new info is given ans the info is not under the minimal limit.
/// The manager updates all the parent disc spaces.
/// </summary>
/// <param name="info"></param>
/// <param name="forceCreation"> if this parameter is set to true, the mimimal limit is virtually set to 0.</param>
public void Create(IInfoCache info)
{
var parentSpace = Map(info.Parent);
var space = CreateDiscSpace(this, parentSpace, info.Name, info.FullName);
mapping[info] = space;
if (info is FileCache)
{
space.OwnLength = info.Length;
space.Length = space.OwnLength;
AddLengthToAllParents(parentSpace, space.OwnLength);
}
if (info.Parent == null)
{
Root = space;
}
if (space.Length >= MinimalLimit)
{
RaiseCreatedForArgumentAndAllParentsIfNotAlreadyRaised(space);
}
}
private void Update(IInfoCache info, DiscSpace space)
{
space.Count = info.Count;
}
private void Update(DiscSpace space)
{
Update(MapBack(space), space);
}
public bool IsRoot(DiscSpace space)
{
return(space.Parent == null);
}