Esempio n. 1
0
        private void CreateMirror_Before_Actions(TaskNodeViewModel PrimaryBaseNode, TaskNodeViewModel SecondaryBaseNode, List <FileListEntry> PrimaryFileList, List <FileListEntry> SecondaryFileList, UserOptionsMirror userOptionsMirror, SpecificOptionsTargetSource specificOptions)
        {
            // Crawl
            foreach (FileListEntry entry in PrimaryFileList)
            {
                // Delete old tasks
                entry.targetNode.RemoveAllTasks();


                // Check File Filters
                if (userOptionsMirror.fileFilterOptions.CheckIfFileOK(entry.Path))
                {
                    if (entry.targetNode.IsFile)
                    {
                        // Get Infos

                        // Get Parent folder paths for Copying/moving
                        string PrimaryParentPath = System.IO.Directory.GetParent(entry.Path).FullName.Replace(specificOptions.strPrimaryPath, ""); //UsefulMethods.ReplacePath(System.IO.Directory.GetParent(entry.Path).FullName,specificOptions.strPrimaryPath, "");

                        /*
                         * List<string> DuplicatesSecondaryParentPaths = new List<string>();
                         * foreach (string duplPath in entry.targetNode.DuplicatesSourceTarget)
                         * {
                         *  DuplicatesSecondaryParentPaths.Add(System.IO.Directory.GetParent(duplPath).FullName.Replace(specificOptions.strSecondaryPath, ""));
                         * }
                         *
                         * // Check Duplicate Same Folder between Source-Target for Copying
                         * bool bDuplicateSameFolder = false;
                         * foreach (string duplParentPath in DuplicatesSecondaryParentPaths)
                         *  if (duplParentPath == PrimaryParentPath)
                         *      bDuplicateSameFolder = true;
                         */


                        List <string> DuplicatesSecondaryParentPaths = new List <string>();
                        bool          bDuplicateSameFolder           = false;
                        foreach (TaskNodeViewModel duplNode in entry.targetNode.DuplicatesSourceTargetNodes)
                        {
                            string duplParentPath = System.IO.Directory.GetParent(duplNode.Path_1_Original).FullName.Replace(specificOptions.strSecondaryPath, "");

                            DuplicatesSecondaryParentPaths.Add(duplParentPath);

                            if (duplParentPath == PrimaryParentPath)
                            {
                                bDuplicateSameFolder = true;
                                // Add ReferencedOtherFolder Info
                                entry.targetNode.ReferencedOtherFolderNode = duplNode;
                                duplNode.ReferencedOtherFolderNode         = entry.targetNode;
                            }
                        }



                        // Check if updated file
                        bool bUpdatedFile             = false;
                        TaskNodeViewModel UpdatedNode = null;

                        TaskNodeViewModel SecondaryNode = UsefulMethods.FindNodeHierarchicalByPath(SecondaryBaseNode, UsefulMethods.GetPathWithoutSourceFolder(entry.Path, specificOptions.strPrimaryPath), false, "");
                        if (SecondaryNode != null)
                        {
                            if (entry.targetNode.HashCode != SecondaryNode.HashCode)
                            {
                                bUpdatedFile = true;
                                UpdatedNode  = SecondaryNode;
                            }
                        }


                        // old Version

                        /*
                         * foreach (FileListEntry targetFile in SecondaryFileList)
                         *  if (UsefulMethods.GetPathWithoutSourceFolder(entry.Path,specificOptions.strPrimaryPath)
                         *          == UsefulMethods.GetPathWithoutSourceFolder(targetFile.Path,specificOptions.strSecondaryPath) )
                         *      if (entry.hash != targetFile.hash)
                         *      {
                         *          bUpdatedFile = true;
                         *          UpdatedFile = targetFile;
                         *          break;
                         *      }
                         */



                        // Check if updated file is most recent
                        bool bUpdatedFilseIsMostRecent = false;     // Secondary file is older
                        if (bUpdatedFile)
                        {
                            System.IO.FileInfo fileInfoPrimaryUpdated   = new System.IO.FileInfo(entry.Path);
                            System.IO.FileInfo fileInfoSecondaryUpdated = new System.IO.FileInfo(UpdatedNode.Path_1_Original);

                            if (fileInfoSecondaryUpdated.LastWriteTime > fileInfoPrimaryUpdated.LastWriteTime)
                            {
                                bUpdatedFilseIsMostRecent = true;                                           // Secondary file is newer
                            }
                        }


                        entry.targetNode.bUpdatedFile = bUpdatedFile;


                        // _________________Create Actions_______________


                        // Check Delete

                        if (
                            // Delete files that are in Source but not Target(Delete in Source)
                            specificOptions.OptionsMirrorDelete &&     //userOptionsMirror.OptionsMirrorDeleteSourceTarget
                            (entry.targetNode.DuplicatesSourceTarget.Count == 0)

                            && !bUpdatedFile         // Updated Files werden separat behandelt
                            )
                        {
                            if (userOptions.mainWindow != null)
                            {
                                userOptions.mainWindow.Dispatcher.Invoke(
                                    (Action)(() =>
                                {
                                    entry.targetNode.Path_5_Delete = entry.Path;
                                    entry.targetNode.task5 = enTasks.Delete;
                                    entry.targetNode.bActivated = true;
                                }
                                             ), null);
                            }
                        }

                        else if (        // Updated files options can cause deleting
                            ((bUpdatedFile) && (userOptionsMirror.OptionsMirrorUpdated == enOptionsMirrorUpdated.MostRecentDate) && (bUpdatedFilseIsMostRecent) && (specificOptions.OptionsMirrorDelete)) ||               // Secondary File is most recent -> delete Primary skip copy
                            ((bUpdatedFile) && (specificOptions.SyncDirection == enSyncDirection.SecondaryPrimary) &&
                             (userOptionsMirror.OptionsMirrorUpdated == enOptionsMirrorUpdated.SyncDir) && (specificOptions.OptionsMirrorDelete))                        // use Secondary -> delete primary skip copy
                            )
                        {
                            if (userOptions.mainWindow != null)
                            {
                                userOptions.mainWindow.Dispatcher.Invoke(
                                    (Action)(() =>
                                {
                                    entry.targetNode.Path_5_Delete = entry.Path;

                                    entry.targetNode.task5 = enTasks.Delete;
                                    entry.targetNode.bActivated = true;

                                    entry.targetNode.Info = "Deleting this unused updated file";
                                }
                                             ), null);
                            }
                        }


                        else // No Delete
                        {
                            // Check Copy
                            if (specificOptions.OptionsMirrorCopy || bUpdatedFile) // copying also possible from updated files
                            {
                                bool bNoDuplicatesWithDiffFilenames = false;

                                if (// Duplicates with Different FileNames in same folder options
                                    (userOptionsMirror.OptionsMirrorDuplicates == enOptionsMirrorDuplicates.CopyAnyway) ||
                                    (entry.targetNode.DuplicatesSourceTarget.Count == 0) || (!bDuplicateSameFolder)
                                    )
                                {
                                    bNoDuplicatesWithDiffFilenames = true;
                                }


                                bool bMovedBackInsideSecondary = false;

                                if (                                                                                                                 // Dont copy file if its gonna be moved back inside Secondary
                                    (userOptionsMirror.OptionsMirrorMoveTo == enOptionsMirrorMoveTo.SyncDir) && ((specificOptions.SyncDirection == enSyncDirection.PrimarySecondary) || (specificOptions.SyncBothWays && specificOptions.IsSecondary)) &&
                                    (entry.targetNode.DuplicatesSourceSourceOrTT.Count == 0) && (entry.targetNode.DuplicatesSourceTarget.Count == 1) // only if only 1 example
                                    )
                                {
                                    bMovedBackInsideSecondary = true;
                                }


                                bool bUpdatedFilesNoCopying = false;

                                if (// Updated files options can prevent copying
                                    ((bUpdatedFile) && (userOptionsMirror.OptionsMirrorUpdated == enOptionsMirrorUpdated.Skip)) ||
                                    ((bUpdatedFile) && (userOptionsMirror.OptionsMirrorUpdated == enOptionsMirrorUpdated.SyncDir) && (specificOptions.SyncDirection == enSyncDirection.SecondaryPrimary)) ||
                                    ((bUpdatedFile) && (userOptionsMirror.OptionsMirrorUpdated == enOptionsMirrorUpdated.MostRecentDate) && (bUpdatedFilseIsMostRecent)) ||           // Secondary File is most recent -> skip copy
                                    ((bUpdatedFile) && (specificOptions.SyncDirection == enSyncDirection.SecondaryPrimary) && !specificOptions.SyncBothWays)             // Skip if not SyncDir
                                    )
                                {
                                    bUpdatedFilesNoCopying = true;
                                }



                                if (
                                    bNoDuplicatesWithDiffFilenames
                                    &&
                                    !bMovedBackInsideSecondary
                                    &&
                                    !bUpdatedFilesNoCopying
                                    )
                                {
                                    if (userOptions.mainWindow != null)
                                    {
                                        userOptions.mainWindow.Dispatcher.Invoke(
                                            (Action)(() =>
                                        {
                                            entry.targetNode.Path_2_Copy = UsefulMethods.ReplacePath(entry.Path, specificOptions.strPrimaryPath, specificOptions.strSecondaryPath);            /*entry.Path.Replace(specificOptions.strPrimaryPath, specificOptions.strSecondaryPath)*/
                                            entry.targetNode.task2 = enTasks.Copy;
                                            entry.targetNode.bActivated = true;

                                            entry.targetNode.Path_SetCopyOrAttributesSource = entry.targetNode.Path_1_Original;
                                            entry.targetNode.Path_CopyOrSetAttributesBase = specificOptions.strSecondaryPath;

                                            if (userOptionsMirror.OptionsMirrorSyncAttributes)
                                            {
                                                // Set Attributes
                                                entry.targetNode.Path_SetAttributes = entry.targetNode.Path_2_Copy;

                                                entry.targetNode.Path_SetAttributesSourceBase = entry.targetNode.basePath;
                                                entry.targetNode.task7 = enTasks.SetAttributes;

                                                System.IO.FileInfo fileInfo = new System.IO.FileInfo(entry.Path);
                                                System.DateTime CreationDateTime = System.IO.File.GetCreationTime(entry.Path);
                                                cAttributes fileAttributes = new cAttributes((fileInfo.Attributes & System.IO.FileAttributes.ReadOnly) != 0, (fileInfo.Attributes & System.IO.FileAttributes.Hidden) != 0, CreationDateTime);

                                                entry.targetNode.SetFileAttributes = fileAttributes;
                                            }


                                            if (bUpdatedFile && ((userOptionsMirror.OptionsMirrorUpdated == enOptionsMirrorUpdated.MostRecentDate) &&
                                                                 (!bUpdatedFilseIsMostRecent))) // Primary file is most recent
                                            {
                                                entry.targetNode.Info = "Most recent updated file!";
                                            }

                                            if ((bUpdatedFile) && (specificOptions.SyncDirection == enSyncDirection.PrimarySecondary) && (userOptionsMirror.OptionsMirrorUpdated == enOptionsMirrorUpdated.SyncDir))
                                            {
                                                entry.targetNode.Info = "Using this updated file!";
                                            }
                                        }
                                                     ), null);
                                    }
                                }
                                else if (bUpdatedFilesNoCopying

                                         /*
                                          * // Info about Updated files options can prevent copying
                                          *       ((bUpdatedFile) && (userOptionsMirror.OptionsMirrorUpdated == enOptionsMirrorUpdated.Skip))
                                          || ((bUpdatedFile) && (specificOptions.SyncDirection == enSyncDirection.SecondaryPrimary) && (userOptionsMirror.OptionsMirrorUpdated == enOptionsMirrorUpdated.SyncDir))
                                          || ((bUpdatedFile) && (userOptionsMirror.OptionsMirrorUpdated == enOptionsMirrorUpdated.MostRecentDate) && (bUpdatedFilseIsMostRecent)) // Secondary File is most recent -> delete Primary skip copy
                                          */
                                         )
                                {
                                    if (userOptions.mainWindow != null)
                                    {
                                        userOptions.mainWindow.Dispatcher.Invoke(
                                            (Action)(() =>
                                        {
                                            entry.targetNode.Info = "No copy-unused updated file!";
                                        }
                                                     ), null);
                                    }
                                }
                                else // SetAttributes Action always in CopyDirection!
                                {
                                    if (specificOptions.OptionsMirrorCopy && userOptionsMirror.OptionsMirrorSyncAttributes &&
                                        !(specificOptions.SyncBothWays && specificOptions.IsSecondary)
                                        )
                                    {
                                        // Only for duplicates
                                        if (entry.targetNode.ComparePathToDuplicatesSourceTarget(UsefulMethods.ReplacePath(entry.Path, specificOptions.strPrimaryPath, specificOptions.strSecondaryPath)))
                                        {
                                            System.IO.FileInfo fileInfo              = new System.IO.FileInfo(entry.Path);
                                            System.DateTime    CreationDateTime      = System.IO.File.GetCreationTime(entry.Path);
                                            cAttributes        PrimaryFileAttributes = new cAttributes((fileInfo.Attributes & System.IO.FileAttributes.ReadOnly) != 0, (fileInfo.Attributes & System.IO.FileAttributes.Hidden) != 0, CreationDateTime);

                                            string secondaryPath = UsefulMethods.ReplacePath(entry.Path, specificOptions.strPrimaryPath, specificOptions.strSecondaryPath);
                                            fileInfo = new System.IO.FileInfo(secondaryPath);
                                            if (fileInfo != null)
                                            {
                                                CreationDateTime = System.IO.File.GetCreationTime(secondaryPath);
                                                cAttributes SecondaryFileAttributes = new cAttributes((fileInfo.Attributes & System.IO.FileAttributes.ReadOnly) != 0, (fileInfo.Attributes & System.IO.FileAttributes.Hidden) != 0, CreationDateTime);

                                                if (PrimaryFileAttributes.Compare(SecondaryFileAttributes) == false)
                                                {
                                                    // Set Attributes if difference in Attributes
                                                    entry.targetNode.Path_SetAttributes             = secondaryPath;
                                                    entry.targetNode.Path_CopyOrSetAttributesBase   = specificOptions.strSecondaryPath;
                                                    entry.targetNode.Path_SetCopyOrAttributesSource = entry.Path;
                                                    entry.targetNode.Path_SetAttributesSourceBase   = entry.targetNode.basePath;

                                                    entry.targetNode.task7             = enTasks.SetAttributes;
                                                    entry.targetNode.SetFileAttributes = PrimaryFileAttributes;

                                                    entry.targetNode.bActivated = true;
                                                }
                                            }
                                        }
                                    }
                                }
                            }



                            // Check Rename
                            if (
                                // Duplicates same Path renaming options
                                (userOptionsMirror.OptionsMirrorDuplicates == enOptionsMirrorDuplicates.RenameSyncDir) && bDuplicateSameFolder && (specificOptions.SyncDirection == enSyncDirection.SecondaryPrimary)
                                //&& (System.IO.Path.GetFileName(entry.Path) != System.IO.Path.GetFileName(entry.targetNode.DuplicatesSourceTarget[0])
                                && !entry.targetNode.ComparePathToDuplicatesSourceTarget(UsefulMethods.ReplacePath(entry.Path, specificOptions.strPrimaryPath, specificOptions.strSecondaryPath))         // only if not the same as in Target

                                )
                            {
                                if (userOptions.mainWindow != null)
                                {
                                    userOptions.mainWindow.Dispatcher.Invoke(
                                        (Action)(() =>
                                    {
                                        string targetPath = UsefulMethods.ReplacePath(entry.targetNode.DuplicatesSourceTarget[0], specificOptions.strSecondaryPath, specificOptions.strPrimaryPath);

                                        if (null == UsefulMethods.FindNodeHierarchicalByPath(PrimaryBaseNode, UsefulMethods.GetPathWithoutSourceFolder(targetPath, specificOptions.strPrimaryPath), true, specificOptions.strPrimaryPath))
                                        {
                                            entry.targetNode.task4 = enTasks.Rename;
                                            entry.targetNode.bActivated = true;

                                            // TBD Check if file with this name exists already first!
                                            entry.targetNode.Path_4_Rename = targetPath;
                                        }
                                    }
                                                 ), null);
                                }
                            }

                            // Renameing is in Moved Task

                            /*
                             * else if (    // Moved Files Renaming options
                             * // Only if only 1 example in Source/Target
                             *      (entry.targetNode.DuplicatesSourceSourceOrTT.Count == 0) && (DuplicatesSecondaryParentPaths.Count == 1)
                             * //Moved files renaming options - only if move Secondary to place like in Primary, but use Seconary name
                             *      && (userOptionsMirror.OptionsMirrorMoveTo ==  enOptionsMirrorMoveTo.SyncDir)
                             *      && (userOptionsMirror.OptionsMirrorMovedRenaming ==  enOptionsMirrorMovedRenaming.SyncDir) && (specificOptions.SyncDirection == enSyncDirection.SecondaryPrimary)
                             *      && (System.IO.Path.GetFileName(entry.targetNode.DuplicatesSourceTarget[0]) != System.IO.Path.GetFileName(entry.Path))
                             * )
                             * {
                             *
                             * if (userOptions.mainWindow != null)
                             * {
                             *  userOptions.mainWindow.Dispatcher.Invoke(
                             *     (Action)(() =>
                             *     {
                             *         entry.targetNode.task4 = enTasks.Rename;
                             *         entry.targetNode.bActivated = true;
                             *
                             *         // TBD Check if file with this name exists already first!
                             *         // use secondary name
                             *         System.IO.DirectoryInfo dirInfo = new System.IO.DirectoryInfo(entry.Path); // Primary Folder Path stays!
                             *         entry.targetNode.Path_4_Rename = dirInfo.Parent.FullName + "\\" + System.IO.Path.GetFileName(entry.targetNode.DuplicatesSourceTarget[0]);
                             *     }
                             *      ), null);
                             * }
                             *
                             * }
                             */

                            else if (
                                // Updated Files renaming options
                                (bUpdatedFile) && ((userOptionsMirror.OptionsMirrorUpdated == enOptionsMirrorUpdated.SyncDir) && (specificOptions.SyncDirection == enSyncDirection.SecondaryPrimary)) ||
                                ((userOptionsMirror.OptionsMirrorUpdated == enOptionsMirrorUpdated.MostRecentDate) && (specificOptions.SyncDirection == enSyncDirection.SecondaryPrimary || specificOptions.SyncBothWays) && (bUpdatedFilseIsMostRecent))                            // Secondary File is most recent -> rename primary skip copy
                                )
                            {
                                if (userOptions.mainWindow != null)
                                {
                                    userOptions.mainWindow.Dispatcher.Invoke(
                                        (Action)(() =>
                                    {
                                        entry.targetNode.task4 = enTasks.Rename;
                                        entry.targetNode.bActivated = true;

                                        // TBD Check if file with this name exists already first! - maybe through Executer?

                                        entry.targetNode.Path_4_Rename = UsefulMethods.AddModificationDateTimeToFilename(entry.targetNode.Path_1_Original);
                                    }
                                                 ), null);
                                }
                            }


                            // Check Move

                            /* // In Copy
                             *
                             */
                            if ((userOptionsMirror.OptionsMirrorMoveTo == enOptionsMirrorMoveTo.SyncDir) && (specificOptions.SyncDirection == enSyncDirection.SecondaryPrimary)) // Move in Primary
                            {
                                if (!(entry.targetNode.task2 == enTasks.Copy))                                                                                                   // Don´t move if going to copied to secondary
                                {
                                    // Only if only 1 example in Source/Target
                                    if (entry.targetNode.DuplicatesSourceSourceOrTT.Count == 0)
                                    {
                                        if (DuplicatesSecondaryParentPaths.Count == 1)
                                        {
                                            if (PrimaryParentPath != DuplicatesSecondaryParentPaths[0])
                                            {
                                                string finalname = System.IO.Path.GetFileName(entry.Path); // get name from Primary

                                                // Check Renaming
                                                if (    // Moved Files Renaming options
                                                    // Only if only 1 example in Source/Target - see above
                                                    //Moved files renaming options - only if move Secondary to place like in Primary, but use Seconary name
                                                    (userOptionsMirror.OptionsMirrorMoveTo == enOptionsMirrorMoveTo.SyncDir) &&
                                                    (userOptionsMirror.OptionsMirrorMovedRenaming == enOptionsMirrorMovedRenaming.SyncDir) && (specificOptions.SyncDirection == enSyncDirection.SecondaryPrimary) &&
                                                    (System.IO.Path.GetFileName(entry.targetNode.DuplicatesSourceTarget[0]) != System.IO.Path.GetFileName(entry.Path))
                                                    )
                                                {
                                                    // Rename Source to Target?
                                                    finalname = System.IO.Path.GetFileName(entry.targetNode.DuplicatesSourceTarget[0]);
                                                }

                                                if (userOptions.mainWindow != null)
                                                {
                                                    userOptions.mainWindow.Dispatcher.Invoke(
                                                        (Action)(() =>
                                                    {
                                                        if (DuplicatesSecondaryParentPaths[0].Length > 0)
                                                        {
                                                            entry.targetNode.Path_3_Move = specificOptions.strPrimaryPath + DuplicatesSecondaryParentPaths[0] + "\\" + finalname;
                                                        }
                                                        else
                                                        {
                                                            entry.targetNode.Path_3_Move = specificOptions.strPrimaryPath + "\\" + finalname;
                                                        }

                                                        entry.targetNode.task3 = enTasks.Move;
                                                        entry.targetNode.bActivated = true;
                                                    }
                                                                 ), null);
                                                }
                                            }
                                        }
                                    }
                                }
                            }
                            // Subfolders will only be created if target path does not exist(For Move/Copy by Task Executer - TBD)! Check after Copy and Move. Also creates parent folders if not exist.
                        }
                    } // entry ISFILE

                    else
                    {
                        // ///////////////////////ISFOLDER//////////////////////

                        // Check Delete

                        if (
                            // Delete folders that are in Primary but not Secondary(Delete in Primary)
                            specificOptions.OptionsMirrorDelete &&
                            (null == UsefulMethods.FindNodeHierarchicalByPath(SecondaryBaseNode, UsefulMethods.GetPathWithoutSourceFolder(entry.targetNode.Path_1_Original, entry.targetNode.basePath), false, ""))
                            )
                        {
                            if (userOptions.mainWindow != null)
                            {
                                userOptions.mainWindow.Dispatcher.Invoke(
                                    (Action)(() =>
                                {
                                    entry.targetNode.Path_5_Delete = entry.Path;
                                    entry.targetNode.task5 = enTasks.Delete;
                                    entry.targetNode.bActivated = true;
                                }
                                             ), null);
                            }
                        }

                        else // No Delete
                        {
                            // Check Create Subfolder
                            if (
                                // Create folders that are in Primary but not Secondary(Create in Secondary)
                                specificOptions.OptionsMirrorCopy &&
                                (null == UsefulMethods.FindNodeHierarchicalByPath(SecondaryBaseNode, UsefulMethods.GetPathWithoutSourceFolder(entry.targetNode.Path_1_Original, entry.targetNode.basePath), false, ""))
                                )
                            {
                                userOptions.mainWindow.Dispatcher.Invoke(
                                    (Action)(() =>
                                {
                                    entry.targetNode.Path_2_Copy = UsefulMethods.ReplacePath(entry.Path, specificOptions.strPrimaryPath, specificOptions.strSecondaryPath);
                                    //entry.targetNode.Path //Path1 already OK
                                    entry.targetNode.task2 = enTasks.CreateSubfolder;
                                    entry.targetNode.bActivated = true;
                                }
                                             ), null);
                            }
                        }
                    }
                }
                else // Filtered File
                {
                    if (userOptions.mainWindow != null)
                    {
                        userOptions.mainWindow.Dispatcher.Invoke(
                            (Action)(() =>
                        {
                            entry.targetNode.Info = "Filtered file!";
                        }
                                     ), null);
                    }
                }
            }
        }
Esempio n. 2
0
        public static TaskNodeViewModel FindNodeHierarchicalByPath(TaskNodeViewModel BaseNode, string PathWithoutSourceFolder, bool checkBasePath, string basePath)
        {
            if ((checkBasePath == false) || (basePath == BaseNode.basePath))
            {
                if (BaseNode != null)
                {
                    List <string> FolderAndFilenames = GetFolderAndFileNames(PathWithoutSourceFolder, "", true);
                    if (FolderAndFilenames == null)
                    {
                        return(null);
                    }

                    TaskNodeViewModel curNode = BaseNode;

                    for (int level = 0; level < FolderAndFilenames.Count; level++)
                    {
                        TaskNodeViewModel newNode = null;

                        /* // old Version
                         * foreach (TaskNodeViewModel node in curNode.Children)
                         *  if (node.Name == FolderAndFilenames[level])
                         *  {
                         *      newNode = node;
                         *
                         *      if (level < FolderAndFilenames.Count - 1)
                         *          break;
                         *      else
                         *          return newNode;
                         *  }
                         */


                        List <TaskNodeViewModel> newNodes = null;

                        if (curNode.childrensNames.ContainsKey(FolderAndFilenames[level]))
                        {
                            newNodes = curNode.childrensNames[FolderAndFilenames[level]];
                        }

                        if (newNodes != null)
                        {
                            newNode = newNodes[0];

                            if (level < FolderAndFilenames.Count - 1)
                            {
                                curNode = newNode;
                            }
                            else
                            {
                                return(newNode);
                            }
                        }
                        else
                        {
                            return(null);
                        }
                    }
                }
            }

            return(null);
        }