/// <summary>
/// Returns true if the files are stored only in DB or user has disk read/write permissions. Otherwise false.
/// </summary>
public bool IsUndoRedoPossible()
{
if (ViewState["IsUndoRedoPossible"] == null)
{
bool storeFilesInFileSystem = TempFileInfoProvider.StoreFilesInFileSystem(SiteContext.CurrentSiteName);
bool storeFilesInDatabase = TempFileInfoProvider.StoreFilesInDatabase(SiteContext.CurrentSiteName);
if (storeFilesInDatabase)
{
ViewState["IsUndoRedoPossible"] = true;
}
else
{
if (storeFilesInFileSystem)
{
string dir = TempFileInfoProvider.GetTempFilesFolderPath(TempFileInfoProvider.IMAGE_EDITOR_FOLDER, InstanceGUID);
if (DirectoryHelper.CheckPermissions(dir))
{
ViewState["IsUndoRedoPossible"] = true;
}
else
{
ViewState["IsUndoRedoPossible"] = false;
}
}
else
{
ViewState["IsUndoRedoPossible"] = false;
}
}
}
return(ValidationHelper.GetBoolean(ViewState["IsUndoRedoPossible"], true));
}
/// <summary>
/// Returns true if the files are stored only in DB or user has disk read/write permissions. Otherwise false.
/// </summary>
public bool IsUndoRedoPossible()
{
if (ViewState["IsUndoRedoPossible"] != null)
{
return(ValidationHelper.GetBoolean(ViewState["IsUndoRedoPossible"], true));
}
var filesLocationType = FileHelper.FilesLocationType(SiteContext.CurrentSiteName);
if (filesLocationType != FilesLocationTypeEnum.FileSystem)
{
ViewState["IsUndoRedoPossible"] = true;
}
else
{
if (filesLocationType != FilesLocationTypeEnum.Database)
{
string dir = TempFileInfoProvider.GetTempFilesFolderPath(TempFileInfoProvider.IMAGE_EDITOR_FOLDER, InstanceGUID);
if (DirectoryHelper.CheckPermissions(dir))
{
ViewState["IsUndoRedoPossible"] = true;
}
else
{
ViewState["IsUndoRedoPossible"] = false;
}
}
else
{
ViewState["IsUndoRedoPossible"] = false;
}
}
return(ValidationHelper.GetBoolean(ViewState["IsUndoRedoPossible"], true));
}
