/// <summary>
/// Displays custom columns in Windows file mnager.
/// </summary>
/// <param name="customColumnsData">list of columns to display.</param>
private async Task ShowCustomColumnsAsync(IEnumerable <FileSystemItemPropertyData> customColumnsData)
{
List <StorageProviderItemProperty> customColumns = new List <StorageProviderItemProperty>();
if (customColumnsData != null)
{
foreach (FileSystemItemPropertyData column in customColumnsData)
{
customColumns.Add(new StorageProviderItemProperty()
{
Id = column.Id,
// If value is empty Windows File Manager crushes.
Value = string.IsNullOrEmpty(column.Value) ? "-" : column.Value,
// If icon is not set Windows File Manager crushes.
IconResource = column.IconResource ?? Path.Combine(iconsFolderPath, "Blank.ico")
});
}
}
// This method may be called on temp files, typically created by MS Office, that exist for a short period of time.
IStorageItem storageItem = await FsPath.GetStorageItemAsync(userFileSystemPath);
if (storageItem == null)
{
// This method may be called on temp files, typically created by MS Office, that exist for a short period of time.
// StorageProviderItemProperties.SetAsync(null,) causes AccessViolationException
// which is not handled by .NET (nor handled by HandleProcessCorruptedStateExceptions) and causes a fatal crush.
return;
}
FileInfo file = new FileInfo(userFileSystemPath);
// Can not set provider properties on read-only files.
// Changing read-only attribute on folders triggers folders listing. Changing on files only.
bool readOnly = file.IsReadOnly;
// Remove read-only attribute.
if (readOnly && ((file.Attributes & System.IO.FileAttributes.Directory) == 0))
{
file.IsReadOnly = false;
//new FileInfo(userFileSystemPath).Attributes &= ~System.IO.FileAttributes.ReadOnly;
}
// Update columns data.
await StorageProviderItemProperties.SetAsync(storageItem, customColumns);
// Set read-only attribute.
if (readOnly && ((file.Attributes & System.IO.FileAttributes.Directory) == 0))
{
file.IsReadOnly = true;
//new FileInfo(userFileSystemPath).Attributes |= System.IO.FileAttributes.ReadOnly;
}
}
/// <summary>
/// Sets or removes icon.
/// </summary>
/// <param name="set">True to display the icon. False - to remove the icon.</param>
private async Task SetIconAsync(bool set, int?id = null, string iconFile = null, string description = null)
{
IStorageItem storageItem = await FsPath.GetStorageItemAsync(userFileSystemPath);
if (storageItem == null)
{
// This method may be called on temp files, typically created by MS Office, that exist for a short period of time.
// StorageProviderItemProperties.SetAsync(null,) causes AccessViolationException
// which is not handled by .NET (or handled by HandleProcessCorruptedStateExceptions) and causes a fatal crush.
return;
}
try
{
if (set)
{
StorageProviderItemProperty propState = new StorageProviderItemProperty()
{
Id = id.Value,
Value = description,
IconResource = Path.Combine(virtualDrive.Settings.IconsFolderPath, iconFile)
};
await StorageProviderItemProperties.SetAsync(storageItem, new StorageProviderItemProperty[] { propState });
}
else
{
await StorageProviderItemProperties.SetAsync(storageItem, new StorageProviderItemProperty[] { });
}
}
// Setting status icon failes for blocked files.
catch (FileNotFoundException)
{
}
catch (COMException)
{
// "Error HRESULT E_FAIL has been returned from a call to a COM component."
}
catch (Exception ex)
{
if (ex.HResult == -2147024499)
{
// "The operation failed due to a conflicting cloud file property lock. (0x8007018D)"
}
else
{
// Rethrow the exception preserving stack trace of the original exception.
System.Runtime.ExceptionServices.ExceptionDispatchInfo.Capture(ex).Throw();
}
}
}
/// <summary>
/// Sets or removes icon.
/// </summary>
/// <param name="set">True to display the icon. False - to remove the icon.</param>
private async Task SetIconAsync(bool set, int?id = null, string iconFile = null, string description = null)
{
IStorageItem storageItem = await FsPath.GetStorageItemAsync(userFileSystemPath);
if (storageItem == null)
{
return; // Item does not exists.
}
try
{
if (set)
{
StorageProviderItemProperty propState = new StorageProviderItemProperty()
{
Id = id.Value,
Value = description,
IconResource = Path.Combine(Program.Settings.IconsFolderPath, iconFile)
};
await StorageProviderItemProperties.SetAsync(storageItem, new StorageProviderItemProperty[] { propState });
}
else
{
await StorageProviderItemProperties.SetAsync(storageItem, new StorageProviderItemProperty[] { });
}
}
// Setting status icon failes for blocked files.
catch (FileNotFoundException)
{
}
catch (COMException)
{
// "Error HRESULT E_FAIL has been returned from a call to a COM component."
}
catch (Exception ex)
{
if (ex.HResult == -2147024499)
{
// "The operation failed due to a conflicting cloud file property lock. (0x8007018D)"
}
else
{
// Rethrow the exception preserving stack trace of the original exception.
System.Runtime.ExceptionServices.ExceptionDispatchInfo.Capture(ex).Throw();
}
}
}
public static async void ApplyCustomStateToPlaceholderFile(string path, string filename, StorageProviderItemProperty prop)
{
try
{
var fullPath = Path.Combine(path, filename);
var customProperties = new StorageProviderItemProperty[] { prop };
var item = await StorageFile.GetFileFromPathAsync(fullPath);
await StorageProviderItemProperties.SetAsync(item, customProperties);
}
catch (Exception ex)
{
// winrt.to_hresult() will eat the exception if it is a result of winrt.check_hresult, otherwise the exception will get
// rethrown and this method will crash out as it should
Console.Write("Failed to set custom state with {0:X8}\n", ex.HResult);
}
}
internal async Task SetCustomColumnsDataAsync(IEnumerable <FileSystemItemPropertyData> customColumnsData)
{
List <StorageProviderItemProperty> customColumns = new List <StorageProviderItemProperty>();
if (customColumnsData != null)
{
foreach (FileSystemItemPropertyData column in customColumnsData)
{
customColumns.Add(new StorageProviderItemProperty()
{
Id = column.Id,
// If value is empty Windows File Manager crushes.
Value = string.IsNullOrEmpty(column.Value) ? "-" : column.Value,
// If icon is not set Windows File Manager crushes.
IconResource = column.IconResource ?? Path.Combine(Config.Settings.IconsFolderPath, "Blank.ico")
});
}
}
// Can not set provider properties on read-only files.
// Changing read-only attribute on folders triggers folders listing. Changing it on files only.
FileInfo file = new FileInfo(userFileSystemPath);
bool readOnly = file.IsReadOnly;
// Remove read-only attribute.
if (readOnly && ((file.Attributes & System.IO.FileAttributes.Directory) == 0))
{
file.IsReadOnly = false;
//new FileInfo(userFileSystemPath).Attributes &= ~System.IO.FileAttributes.ReadOnly;
}
// Update columns data.
IStorageItem storageItem = await FsPath.GetStorageItemAsync(userFileSystemPath);
await StorageProviderItemProperties.SetAsync(storageItem, customColumns);
// Set read-only attribute.
if (readOnly && ((file.Attributes & System.IO.FileAttributes.Directory) == 0))
{
file.IsReadOnly = true;
//new FileInfo(userFileSystemPath).Attributes |= System.IO.FileAttributes.ReadOnly;
}
}
/// <summary>
/// Sets or removes "Download pending" icon.
/// </summary>
/// <param name="set">True to display the icon. False - to remove the icon.</param>
private async Task SetDownloadPendingIconAsync(bool set)
{
IStorageItem storageItem = await FsPath.GetStorageItemAsync(userFileSystemPath);
if (set)
{
// Set upload pending icon.
// Set download pending icon.
StorageProviderItemProperty propState = new StorageProviderItemProperty()
{
Id = 2,
Value = "Download from server pending", // "@propsys.dll,-42291",
IconResource = "%systemroot%\\system32\\imageres.dll,-1402"
};
await StorageProviderItemProperties.SetAsync(storageItem, new[] { propState });
}
else
{
await StorageProviderItemProperties.SetAsync(storageItem, new StorageProviderItemProperty[] { });
}
}