private void AddParentFolder(FolderItem parentFolder)
{
if (FolderItem.IsProper(parentFolder) == false)
{
return;
}
if (_parentFolders == null)
{
_parentFolders =
new Dictionary <string, FolderItem>
{
{ parentFolder.ItemPath.ToLower(), parentFolder }
};
return;
}
if (_parentFolders.ContainsKey(parentFolder.ItemPath.ToLower()) == false)
{
_parentFolders.Add(parentFolder.ItemPath.ToLower(), parentFolder);
}
}
public static bool IsProper(FolderItem folder)
{
return
(ReferenceEquals(folder, null) == false &&
folder.IsMultiRootParentFolder == false);
}
public static FolderItem CreateMultiRoot(IEnumerable <string> itemsPaths)
{
//Create a list of accepted files and folders
var acceptedFolders = new List <string>();
var acceptedFiles = new List <string>();
var itemsPathsArray = itemsPaths.ToArray();
//Find all existing folder paths in the input items_paths list
var foldersPaths =
itemsPathsArray
.Where(Directory.Exists)
.OrderBy(itemPath => itemPath);
//Find all existing file paths in the input items_paths list
var filesPaths =
itemsPathsArray
.Where(File.Exists)
.OrderBy(itemPath => itemPath);
//Reject any folder that is a sub-folder of any already accepted folder
var foldersList =
foldersPaths.Where(
folderPath =>
acceptedFolders.Exists(
acceptedFolder =>
folderPath
.ToLower()
.StartsWith(acceptedFolder.ToLower())
) == false
);
acceptedFolders.AddRange(foldersList);
//Reject any file that is a sub-file of any already accepted folder
//Reject any file that is already accepted
var filePathsList =
filesPaths
.Where(
filePath =>
acceptedFolders
.Exists(
acceptedFolder =>
filePath
.ToLower()
.StartsWith(acceptedFolder.ToLower())
) == false
)
.Where(
filePath =>
acceptedFiles.Exists(
acceptedFile =>
String
.Equals(filePath, acceptedFile, StringComparison.InvariantCultureIgnoreCase)
) == false
);
acceptedFiles.AddRange(filePathsList);
//When there is only one accepted folder and no accepted files just create a normal root folder item
if (acceptedFolders.Count == 1 && Directory.Exists(acceptedFolders[0]))
{
return(new FolderItem(acceptedFolders[0]));
}
//Create a multi-rooted folder item and fill it with the accepted root folders and root files
var multirootFolder = new FolderItem();
if (acceptedFiles.Count > 0)
{
multirootFolder._files = new Dictionary <string, FileItem>();
foreach (var filePath in acceptedFiles)
{
multirootFolder._files.Add(filePath, new FileItem(multirootFolder, filePath));
}
}
if (acceptedFolders.Count <= 0)
{
return(multirootFolder);
}
multirootFolder._folders = new Dictionary <string, FolderItem>();
foreach (var folderPath in acceptedFolders)
{
multirootFolder._folders.Add(folderPath, new FolderItem(multirootFolder, folderPath));
}
return(multirootFolder);
}
/// <summary>
/// Create a non-root folder item
/// </summary>
/// <param name="parentFolder"></param>
/// <param name="folderName"></param>
internal FolderItem(FolderItem parentFolder, string folderName)
: base(parentFolder, folderName)
{
_level = parentFolder._level + 1;
}
protected FolderTreeItem(FolderItem parentFolder, string itemName)
{
ParentFolder = parentFolder;
ItemName = itemName;
}