public virtual async void DragEnter(DragEventArgs e)
{
var deferral = e.GetDeferral();
itemManipulationModel.ClearSelection();
if (e.DataView.Contains(StandardDataFormats.StorageItems))
{
e.Handled = true;
e.DragUIOverride.IsCaptionVisible = true;
IEnumerable <IStorageItem> draggedItems = new List <IStorageItem>();
try
{
draggedItems = await e.DataView.GetStorageItemsAsync();
}
catch (Exception dropEx) when((uint)dropEx.HResult == 0x80040064)
{
if (associatedInstance.ServiceConnection != null)
{
await associatedInstance.ServiceConnection.SendMessageAsync(new ValueSet()
{
{ "Arguments", "FileOperation" },
{ "fileop", "DragDrop" },
{ "droptext", "DragDropWindowText".GetLocalized() },
{ "droppath", associatedInstance.FilesystemViewModel.WorkingDirectory }
});
}
}
catch (Exception ex)
{
NLog.LogManager.GetCurrentClassLogger().Warn(ex, ex.Message);
}
if (!draggedItems.Any())
{
e.AcceptedOperation = DataPackageOperation.None;
deferral.Complete();
return;
}
var folderName = System.IO.Path.GetFileName(associatedInstance.FilesystemViewModel.WorkingDirectory);
// As long as one file doesn't already belong to this folder
if (associatedInstance.InstanceViewModel.IsPageTypeSearchResults || draggedItems.All(x => Path.GetDirectoryName(x.Path) == associatedInstance.FilesystemViewModel.WorkingDirectory))
{
e.AcceptedOperation = DataPackageOperation.None;
}
else if (draggedItems.AreItemsInSameDrive(associatedInstance.FilesystemViewModel.WorkingDirectory))
{
e.DragUIOverride.Caption = string.Format("MoveToFolderCaptionText".GetLocalized(), folderName);
e.AcceptedOperation = DataPackageOperation.Move;
}
else
{
e.DragUIOverride.Caption = string.Format("CopyToFolderCaptionText".GetLocalized(), folderName);
e.AcceptedOperation = DataPackageOperation.Copy;
}
}
deferral.Complete();
}
public virtual async Task DragOver(DragEventArgs e)
{
var deferral = e.GetDeferral();
if (associatedInstance.InstanceViewModel.IsPageTypeSearchResults)
{
e.AcceptedOperation = DataPackageOperation.None;
deferral.Complete();
return;
}
itemManipulationModel.ClearSelection();
if (Filesystem.FilesystemHelpers.HasDraggedStorageItems(e.DataView))
{
e.Handled = true;
var handledByFtp = await Filesystem.FilesystemHelpers.CheckDragNeedsFulltrust(e.DataView);
var draggedItems = await Filesystem.FilesystemHelpers.GetDraggedStorageItems(e.DataView);
var pwd = associatedInstance.FilesystemViewModel.WorkingDirectory.TrimPath();
var folderName = (Path.IsPathRooted(pwd) && Path.GetPathRoot(pwd) == pwd) ? Path.GetPathRoot(pwd) : Path.GetFileName(pwd);
// As long as one file doesn't already belong to this folder
if (associatedInstance.InstanceViewModel.IsPageTypeSearchResults || (draggedItems.Any() && draggedItems.AreItemsAlreadyInFolder(associatedInstance.FilesystemViewModel.WorkingDirectory)))
{
e.AcceptedOperation = DataPackageOperation.None;
}
else if (handledByFtp)
{
if (pwd.StartsWith(CommonPaths.RecycleBinPath, StringComparison.Ordinal))
{
e.AcceptedOperation = DataPackageOperation.None;
}
else
{
e.DragUIOverride.IsCaptionVisible = true;
e.DragUIOverride.Caption = string.Format("CopyToFolderCaptionText".GetLocalized(), folderName);
e.AcceptedOperation = DataPackageOperation.Copy;
}
}
else if (!draggedItems.Any())
{
e.AcceptedOperation = DataPackageOperation.None;
}
else
{
e.DragUIOverride.IsCaptionVisible = true;
if (pwd.StartsWith(CommonPaths.RecycleBinPath, StringComparison.Ordinal))
{
e.DragUIOverride.Caption = string.Format("MoveToFolderCaptionText".GetLocalized(), folderName);
e.AcceptedOperation = DataPackageOperation.Move;
}
else if (e.Modifiers.HasFlag(DragDropModifiers.Alt) || e.Modifiers.HasFlag(DragDropModifiers.Control | DragDropModifiers.Shift))
{
e.DragUIOverride.Caption = string.Format("LinkToFolderCaptionText".GetLocalized(), folderName);
e.AcceptedOperation = DataPackageOperation.Link;
}
else if (e.Modifiers.HasFlag(DragDropModifiers.Control))
{
e.DragUIOverride.Caption = string.Format("CopyToFolderCaptionText".GetLocalized(), folderName);
e.AcceptedOperation = DataPackageOperation.Copy;
}
else if (e.Modifiers.HasFlag(DragDropModifiers.Shift))
{
e.DragUIOverride.Caption = string.Format("MoveToFolderCaptionText".GetLocalized(), folderName);
e.AcceptedOperation = DataPackageOperation.Move;
}
else if (draggedItems.Any(x => x.Item is ZipStorageFile || x.Item is ZipStorageFolder) ||
ZipStorageFolder.IsZipPath(pwd))
{
e.DragUIOverride.Caption = string.Format("CopyToFolderCaptionText".GetLocalized(), folderName);
e.AcceptedOperation = DataPackageOperation.Copy;
}
else if (draggedItems.AreItemsInSameDrive(associatedInstance.FilesystemViewModel.WorkingDirectory))
{
e.DragUIOverride.Caption = string.Format("MoveToFolderCaptionText".GetLocalized(), folderName);
e.AcceptedOperation = DataPackageOperation.Move;
}
else
{
e.DragUIOverride.Caption = string.Format("CopyToFolderCaptionText".GetLocalized(), folderName);
e.AcceptedOperation = DataPackageOperation.Copy;
}
}
}
deferral.Complete();
}
public virtual async void DragOver(DragEventArgs e)
{
var deferral = e.GetDeferral();
itemManipulationModel.ClearSelection();
if (e.DataView.Contains(StandardDataFormats.StorageItems))
{
e.Handled = true;
IEnumerable <IStorageItem> draggedItems;
try
{
draggedItems = await e.DataView.GetStorageItemsAsync();
}
catch (Exception ex) when((uint)ex.HResult == 0x80040064 || (uint)ex.HResult == 0x8004006A)
{
// Handled by FTP
draggedItems = new List <IStorageItem>();
}
catch (Exception ex)
{
App.Logger.Warn(ex, ex.Message);
e.AcceptedOperation = DataPackageOperation.None;
deferral.Complete();
return;
}
var pwd = associatedInstance.FilesystemViewModel.WorkingDirectory.TrimPath();
var folderName = (Path.IsPathRooted(pwd) && Path.GetPathRoot(pwd) == pwd) ? Path.GetPathRoot(pwd) : Path.GetFileName(pwd);
// As long as one file doesn't already belong to this folder
if (associatedInstance.InstanceViewModel.IsPageTypeSearchResults || (draggedItems.Any() && draggedItems.AreItemsAlreadyInFolder(associatedInstance.FilesystemViewModel.WorkingDirectory)))
{
e.AcceptedOperation = DataPackageOperation.None;
}
else if (!draggedItems.Any())
{
if (pwd.StartsWith(App.AppSettings.RecycleBinPath))
{
e.AcceptedOperation = DataPackageOperation.None;
}
else
{
e.DragUIOverride.IsCaptionVisible = true;
e.DragUIOverride.Caption = string.Format("CopyToFolderCaptionText".GetLocalized(), folderName);
e.AcceptedOperation = DataPackageOperation.Copy;
}
}
else
{
e.DragUIOverride.IsCaptionVisible = true;
if (pwd.StartsWith(App.AppSettings.RecycleBinPath))
{
e.DragUIOverride.Caption = string.Format("MoveToFolderCaptionText".GetLocalized(), folderName);
e.AcceptedOperation = DataPackageOperation.Move;
}
else if (e.Modifiers.HasFlag(DragDropModifiers.Control))
{
e.DragUIOverride.Caption = string.Format("CopyToFolderCaptionText".GetLocalized(), folderName);
e.AcceptedOperation = DataPackageOperation.Copy;
}
else if (e.Modifiers.HasFlag(DragDropModifiers.Shift))
{
e.DragUIOverride.Caption = string.Format("MoveToFolderCaptionText".GetLocalized(), folderName);
e.AcceptedOperation = DataPackageOperation.Move;
}
else if (draggedItems.AreItemsInSameDrive(associatedInstance.FilesystemViewModel.WorkingDirectory))
{
e.DragUIOverride.Caption = string.Format("MoveToFolderCaptionText".GetLocalized(), folderName);
e.AcceptedOperation = DataPackageOperation.Move;
}
else
{
e.DragUIOverride.Caption = string.Format("CopyToFolderCaptionText".GetLocalized(), folderName);
e.AcceptedOperation = DataPackageOperation.Copy;
}
}
}
deferral.Complete();
}
