protected BblLibraryNode(BblLibraryNode node) // copy constructor
{
Root = node.Root;
Parent = node.Parent;
LoadInfo(node);
_children = node.Children;
}
public bool DeleteFile(string path)
{
FileInfoEx f = new FileInfoEx(path);
BblLibraryNode parentNode = FindChild(f.Parent);
BblLibraryNode node = null;
if (parentNode?.Children != null)
{
foreach (var n in parentNode.Children)
{
if (n.Path == path)
{
node = n;
break;
}
}
}
if (parentNode != null && parentNode is BblBookDirectory)
{
return(parentNode.DeleteChildFile(f));
}
else if (node != null)
{
node.OnFileSystemEntryDeleted();
}
return(false);
}
public virtual BblLibraryNode AddChildFile(FileInfoEx info)
{
if (info.Parent.FullName != Path)
{
return(null);
}
if (IsArchiveFileExtension(info.Extension) || IsPDF(info.Extension))
{
BblLibraryNode b = null;
if (IsArchiveFileExtension(info.Extension))
{
b = new BblBookArchive(Root, this, info);
}
else if (IsPDF(info.Extension))
{
b = new BblBookPdf(Root, this, info);
}
AddChild(b);
return(b);
}
else if (IsImageFileExtension(info.Extension) && !IsBook && IsFolder && (_children == null || _children.Count == 0))
{
Root.AddPromotable(this);
}
return(null);
}
public bool DeleteDirectory(string path)
{
DirectoryInfoEx d = new DirectoryInfoEx(path);
BblLibraryNode node = FindChild(d);
if (node != null)
{
node.OnFileSystemEntryDeleted();
}
return(false);
}
private void AddChild(BblLibraryNode child)
{
lock (_lock)
{
if (_children == null)
{
_children = new List <BblLibraryNode>();
}
_children.Add(child);
}
}
public BblLibraryNode AddDirectory(string path)
{
BblLibraryNode node = null;
DirectoryInfoEx d = new DirectoryInfoEx(path);
BblLibraryNode parent = FindChild(d.Parent);
if (parent != null)
{
node = parent.AddChildDirectory(d);
}
return(null);
}
public virtual bool DeleteChild(BblLibraryNode n)
{
lock (_lock)
{
bool retval = _children.Remove(n);
if (_children.Count == 0)
{
_children = null;
}
return(retval);
}
}
public BblLibraryNode RenameDirectory(string newPath, string oldPath)
{
DirectoryInfoEx d = new DirectoryInfoEx(newPath);
DirectoryInfoEx old = new DirectoryInfoEx(oldPath);
BblLibraryNode node = FindChild(old);
if (node != null)
{
return(node.OnFileSystemEntryRenamed(d));
}
return(null);
}
public BblLibraryNode AddFile(string path)
{
FileInfoEx f = new FileInfoEx(path);
var ext = f.Extension;
BblLibraryNode parent = FindChild(f.Parent);
if (parent != null)
{
var n = parent.AddChildFile(f);
return(n);
}
return(null);
}
protected void LoadInfo(BblLibraryNode info)
{
lock (_lock)
{
Path = info.Path;
Name = info.Name;
Attributes = info.Attributes;
CreationTime = info.CreationTime;
LastAccessTime = info.LastAccessTime;
LastWriteTime = info.LastWriteTime;
Length = (info.IsFolder) ? 0 : info.Length;
}
}
public BblLibraryNode AddChildDirectory(DirectoryInfoEx info)
{
if (IsBblBookDirectoryExtension(System.IO.Path.GetExtension(info.FullName)))
{
return(new BblBookDirectory(Root, this, info));
}
else
{
BblLibraryNode node = new BblLibraryNode(Root, this, info);
node.Inflate();
AddChild(node);
return(node);
}
}
private void ReplaceChild(BblLibraryNode oldChild, BblLibraryNode newChild)
{
lock (_lock)
{
int idx = _children.IndexOf(oldChild);
if (idx == -1)
{
throw new Exception("Replaced Child Not Found in BblLibraryNode.ReplaceChild");
}
else
{
_children[idx] = newChild;
}
}
}
/// <summary>
/// Swap constructor, takes a generic BblLibraryNode (normal directory, not book) that is to be replaced with a BblBook
/// Happens when the node for an empty directory is promoted to book status because there's now an image in it.
/// </summary>
protected BblBook(BblLibraryNode node, BookType type) : base(node)
{
Type = type;
BblBook b = node as BblBook;
if (b != null)
{
Root.OnBookOperation(new BookOperationData(this, BookOperations.Replace, node as BblBook));
Index = b.Index;
_pages = b._pages;
}
else
{
Root.OnBookOperation(new BookOperationData(this, BookOperations.Add, null));
Index = Root.BookIndex++;
Root.BookCount++;
}
}
//promotables are folders containing images and devoid of the .book extension
//They could be promoted to BblBookDirectory status when ProcessPromotables is called
//by renaming them, adding the .book extension.
public void AddPromotable(BblLibraryNode n)
{
//filter out any special folder or folder within the path of an environment variable
//as those cannot be renamed without f*****g something up.
foreach (string env in Environment.GetEnvironmentVariables().Values)
{
if (env.ToLowerInvariant().Contains(n.Path.ToLowerInvariant()))
{
return;
}
}
foreach (Environment.SpecialFolder folder_type in Enum.GetValues(typeof(Environment.SpecialFolder)))
{
if (Environment.GetFolderPath(folder_type).ToLowerInvariant().Contains(n.Path.ToLowerInvariant()))
{
return;
}
}
lock (_lock) { _promotables.Add(n); }
}
public BblBookPdf(BblLibraryRootNode root, BblLibraryNode parent, WIN32_FIND_DATA findData) : base(root, parent, findData, BookType.Pdf)
{
}
protected BblLibraryNode(BblLibraryRootNode root, BblLibraryNode parent, FileSystemInfoEx info)
{
Root = root;
Parent = parent;
LoadInfo(info);
}
protected BblLibraryNode(BblLibraryRootNode root, BblLibraryNode parent, WIN32_FIND_DATA findData)
{
Root = root;
Parent = parent;
LoadInfo(parent.Path, findData);
}
/// <summary>
/// Build the pathstack required to run the FindChild method
/// </summary>
protected static Stack <FileSystemInfoEx> BuildPathStack(FileSystemInfoEx path, BblLibraryNode root)
{
Stack <FileSystemInfoEx> pathstack = new Stack <FileSystemInfoEx>();
if (path.FullName == root.Path)
{
pathstack.Push(path);
return(pathstack);
}
while (path != null)
{
pathstack.Push(path);
try { path = path.Parent; }
catch { return(null); }
if (path.FullName == root.Path)
{
return(pathstack);
}
else if (path == null)
{
return(null);
}
}
return(null);
}
public BblBookArchive(BblLibraryRootNode root, BblLibraryNode parent, WIN32_FIND_DATA findData) : base(root, parent, findData, BookType.Archive)
{
}
protected BblBook(BblLibraryRootNode root, BblLibraryNode parent, FileSystemInfoEx info, BookType type) : base(root, parent, info)
{
Initialize(type);
}
public BblBookDirectory(BblLibraryRootNode root, BblLibraryNode parent, FileSystemInfoEx info) : base(root, parent, info, BookType.Directory)
{
}
public BblBookArchive(BblLibraryRootNode root, BblLibraryNode parent, FileSystemInfoEx info) : base(root, parent, info, BookType.Archive)
{
}
public BblBookDirectory(BblLibraryRootNode root, BblLibraryNode parent, WIN32_FIND_DATA findData) : base(root, parent, findData, BookType.Directory)
{
}
public BblBookDirectory(BblLibraryNode swap) : base(swap, BookType.Directory)
{
}
protected bool _demoted; //book has no pages or BblBookDirectory renamed with no .book extension
protected BblBook(BblLibraryRootNode root, BblLibraryNode parent, WIN32_FIND_DATA findData, BookType type) : base(root, parent, findData)
{
Initialize(type);
}
public BblBookPdf(BblLibraryRootNode root, BblLibraryNode parent, FileSystemInfoEx info) : base(root, parent, info, BookType.Pdf)
{
}