public override IEnumerable <FileManagerFile> GetFiles(FileManagerFolder folder)
{
FileSystemData folderItem = FindFolderItem(folder);
return
(from dbItem in DataSource
where !dbItem.IsFolder && dbItem.ParentId == folderItem.Id
select new FileManagerFile(this, folder, dbItem.Name));
}
public override IEnumerable <FileManagerFolder> GetFolders(FileManagerFolder parentFolder)
{
FileSystemData dbFolderItem = FindFolderItem(parentFolder);
return
(DataSource
.Where(x => x.IsFolder && x.ParentId == dbFolderItem.Id)
.OrderByDescending(x => x.Name)
.Select(x => new FileManagerFolder(this, parentFolder, x.Name)));
}
protected FileSystemData FindFileItem(FileManagerFile file)
{
FileSystemData folderItem = FindFolderItem(file.Folder);
List <FileSystemData> files = DataSource.Where(x => !x.IsFolder).ToList();
if (folderItem == null)
{
return(null);
}
return
((from dbItem in files
where dbItem.ParentId == folderItem.Id && !dbItem.IsFolder && dbItem.Name == file.Name
select dbItem).FirstOrDefault());
}
protected string GetRelativeName(FileSystemData folder)
{
FileSystemData root = GetRootFolder();
if (folder.Id == root.Id)
{
return(string.Empty);
}
if (folder.ParentId == root.Id)
{
return(folder.Name);
}
var folders = DataSource.Where(x => x.IsFolder);
string name = GetRelativeName(folders.Where(x => x.Id == folder.ParentId).FirstOrDefault());
return(name == null ? null : Path.Combine(name, folder.Name));
}
public override void RenameFolder(FileManagerFolder folder, string name)
{
FileSystemData item = FindFolderItem(folder);
item.Name = name;
}
public override void RenameFile(FileManagerFile file, string name)
{
FileSystemData item = FindFileItem(file);
item.Name = name;
}
public override void MoveFolder(FileManagerFolder folder, FileManagerFolder newParentFolder)
{
FileSystemData item = FindFolderItem(folder);
item.ParentId = FindFolderItem(newParentFolder).Id;
}
public override void MoveFile(FileManagerFile file, FileManagerFolder newParentFolder)
{
FileSystemData item = FindFileItem(file);
item.ParentId = FindFolderItem(newParentFolder).Id;
}
public override void DeleteFolder(FileManagerFolder folder)
{
FileSystemData item = FindFolderItem(folder);
DataSource.Remove(item);
}
public override void DeleteFile(FileManagerFile file)
{
FileSystemData item = FindFileItem(file);
DataSource.Remove(item);
}