1 files changed, 243 insertions, 0 deletions
diff --git a/Software/Visual_Studio/FSE/Modules/Tango.FSE.PPCConsole/ViewModels/FileSystemViewVM.cs b/Software/Visual_Studio/FSE/Modules/Tango.FSE.PPCConsole/ViewModels/FileSystemViewVM.cs
new file mode 100644
index 000000000..cba25303e
--- /dev/null
+++ b/Software/Visual_Studio/FSE/Modules/Tango.FSE.PPCConsole/ViewModels/FileSystemViewVM.cs
@@ -0,0 +1,243 @@
+using System;
+using System.Collections.Generic;
+using System.Collections.ObjectModel;
+using System.Diagnostics;
+using System.IO;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+using System.Windows.Input;
+using Tango.Core.Commands;
+using Tango.FileSystem;
+using Tango.FSE.Common;
+using Tango.FSE.Common.Connection;
+using Tango.FSE.Common.FileSystem;
+using static Tango.SharedUI.Controls.NavigationControl;
+
+namespace Tango.FSE.PPCConsole.ViewModels
+{
+    public class FileSystemViewVM : FSEViewModel, INavigationViewModel
+    {
+        private FileSystemItem _currentItem;
+        public FileSystemItem CurrentItem
+        {
+            get { return _currentItem; }
+            set { _currentItem = value; RaisePropertyChangedAuto(); OnCurrentItemChanged(); }
+        }
+
+        private String _currentPath;
+        public String CurrentPath
+        {
+            get { return _currentPath; }
+            set { _currentPath = value; RaisePropertyChangedAuto(); }
+        }
+
+        private List<DriveItem> _drives;
+        public List<DriveItem> Drives
+        {
+            get { return _drives; }
+            set { _drives = value; RaisePropertyChangedAuto(); }
+        }
+
+        public ObservableCollection<FileSystemItem> SelectedItems { get; set; }
+        public ObservableCollection<FileSystemHandler> FileSystemHandlers { get; set; }
+
+        public RelayCommand NavigateCommand { get; set; }
+        public RelayCommand<FileSystemItem> OpenItemCommand { get; set; }
+        public RelayCommand BackCommand { get; set; }
+        public RelayCommand<String> NavigateSpecialFolderCommand { get; set; }
+        public RelayCommand<String> NavigateToFolderCommand { get; set; }
+        public RelayCommand<IList<FileSystemItem>> DeleteCommand { get; set; }
+        public RelayCommand<List<FileSystemItem>> DropCommand { get; set; }
+        public RelayCommand<List<DragItem>> DragCommand { get; set; }
+        public RelayCommand<FileSystemHandler> DeleteFileSystemHandlerCommand { get; set; }
+        public RelayCommand<FileSystemHandler> OpenFileSystemHandlerDestinationCommand { get; set; }
+        public RelayCommand<FileSystemHandler> RetryFailedFileSystemHandlerCommand { get; set; }
+
+
+        public FileSystemViewVM()
+        {
+            SelectedItems = new ObservableCollection<FileSystemItem>();
+            FileSystemHandlers = new ObservableCollection<FileSystemHandler>();
+            NavigateCommand = new RelayCommand(NavigateToCurrentPath);
+            OpenItemCommand = new RelayCommand<FileSystemItem>(OpenFileSystemItem);
+            BackCommand = new RelayCommand(NavigateBack, () => !(CurrentItem is FolderItem) || !(CurrentItem as FolderItem).IsRoot);
+            NavigateSpecialFolderCommand = new RelayCommand<string>(NavigateToSpecialFolder);
+            NavigateToFolderCommand = new RelayCommand<string>(async (x) => await Navigate(x));
+            DeleteCommand = new RelayCommand<IList<FileSystemItem>>(DeleteSelectedItems);
+            DragCommand = new RelayCommand<List<DragItem>>(OnItemsDraggedOut);
+            DeleteFileSystemHandlerCommand = new RelayCommand<FileSystemHandler>(DeleteFileSystemHandler);
+            OpenFileSystemHandlerDestinationCommand = new RelayCommand<FileSystemHandler>(OpenFileSystemHandlerDestination);
+            RetryFailedFileSystemHandlerCommand = new RelayCommand<FileSystemHandler>(RetryFailedFileSystemHandler);
+        }
+
+        private async void NavigateBack()
+        {
+            if (CurrentItem.Path.Length == 3)
+            {
+                await Navigate(null);
+            }
+            else
+            {
+                String parent = Path.GetDirectoryName(CurrentItem.Path);
+                await Navigate(parent);
+            }
+        }
+
+        public override void OnApplicationStarted()
+        {
+            base.OnApplicationStarted();
+            MachineProvider.MachineConnected += MachineProvider_MachineConnected;
+        }
+
+        public override void OnApplicationReady()
+        {
+            base.OnApplicationReady();
+        }
+
+        private async void MachineProvider_MachineConnected(object sender, MachineConnectedEventArgs e)
+        {
+            await Navigate(null);
+        }
+
+        private async void NavigateToCurrentPath()
+        {
+            await Navigate(CurrentPath);
+        }
+
+        private async void OpenFileSystemItem(FileSystemItem item)
+        {
+            if (item == null) return;
+
+            if (item.Type == FileSystemItemType.Folder || item.Type == FileSystemItemType.Drive)
+            {
+                await Navigate(item.Path);
+            }
+            else if (item.Type == FileSystemItemType.File)
+            {
+                //TODO: Download/Open file?...
+            }
+        }
+
+        private async void DeleteSelectedItems(IList<FileSystemItem> items)
+        {
+            if (items != null && items.Count > 0)
+            {
+                if (await NotificationProvider.ShowWarningQuestion("Are you sure you want to delete the selected files/folders?", "DELETE"))
+                {
+                    //TODO: Delete items
+                }
+            }
+        }
+
+        private async void OnItemsDraggedOut(List<DragItem> items)
+        {
+            foreach (var item in items.Where(x => x.FileSystemItem.Type != FileSystemItemType.Drive))
+            {
+                Debug.WriteLine($"Dropped out: {item.FileSystemItem.Name} => {item.Destination}");
+                var handler = await FileSystemProvider.Download(item.FileSystemItem, item.Destination);
+                FileSystemHandlers.Insert(0, handler);
+            }
+        }
+
+        private async void DeleteFileSystemHandler(FileSystemHandler handler)
+        {
+            if (handler.Status != FileSystemHandlerStatus.Completed && handler.Status != FileSystemHandlerStatus.Failed)
+            {
+                if (await NotificationProvider.ShowWarningQuestion($"This item is currently {handler.Status}. Do you wish to abort and delete this item?"))
+                {
+                    try
+                    {
+                        handler.Abort();
+                    }
+                    catch { }
+
+                    FileSystemHandlers.Remove(handler);
+                }
+            }
+            else
+            {
+                FileSystemHandlers.Remove(handler);
+            }
+        }
+
+        private void OpenFileSystemHandlerDestination(FileSystemHandler handler)
+        {
+            String destination = String.Empty;
+
+            if (File.Exists(handler.Destination) || Directory.Exists(handler.Destination))
+            {
+                destination = handler.Destination;
+                Process.Start("explorer.exe", string.Format("/select,\"{0}\"", destination));
+            }
+            else
+            {
+                destination = Path.GetDirectoryName(handler.Destination);
+                Process.Start("explorer.exe", destination);
+            }
+        }
+
+        private async void RetryFailedFileSystemHandler(FileSystemHandler handler)
+        {
+            if (handler.Status == FileSystemHandlerStatus.Failed)
+            {
+                var newHandler = await FileSystemProvider.Download(handler.FileSystemItem, Path.GetDirectoryName(handler.Destination));
+                FileSystemHandlers.Replace(handler, newHandler);
+            }
+        }
+
+        private async void NavigateToSpecialFolder(string folder)
+        {
+            Environment.SpecialFolder specialFolder = (Environment.SpecialFolder)Enum.Parse(typeof(Environment.SpecialFolder), folder);
+            await Navigate(null, specialFolder);
+        }
+
+        private async Task Navigate(String path, Environment.SpecialFolder? specialFolder = null)
+        {
+            try
+            {
+                IsFree = false;
+
+                Mouse.OverrideCursor = Cursors.AppStarting;
+
+                if (path != null)
+                {
+                    CurrentItem = await FileSystemProvider.GetFolder(path) as FileSystemItem;
+                }
+                else if (specialFolder != null)
+                {
+                    CurrentItem = await FileSystemProvider.GetSpecialFolder(specialFolder.Value) as FileSystemItem;
+                }
+                else
+                {
+                    CurrentItem = await FileSystemProvider.GetThisPC() as FileSystemItem;
+                    try
+                    {
+                        Drives = (CurrentItem as IFileSystemContainer).Items.Cast<DriveItem>().ToList();
+                    }
+                    catch (Exception ex)
+                    {
+                        LogManager.Log(ex, "Error setting file system drives menu.");
+                    }
+                }
+            }
+            catch (Exception ex)
+            {
+                IsFree = true;
+                Mouse.OverrideCursor = null;
+                await NotificationProvider.ShowError($"Error navigating to the specified path.\n{ex.FlattenMessage()}");
+            }
+            finally
+            {
+                IsFree = true;
+                Mouse.OverrideCursor = null;
+            }
+        }
+
+        private void OnCurrentItemChanged()
+        {
+            CurrentPath = CurrentItem.Path;
+            InvalidateRelayCommands();
+        }
+    }
+}