private IArchiveManager SelectArchiveManager(string filename, bool batchMode = false)
{
IArchiveManager result = null;
// first look for managers whose extension matches that of our file name
List <IArchiveManager> matchingManagers = _archiveManagers.Where(manager => manager.Extension.Split(';').Any(s => filename.ToLower().EndsWith(s))).ToList();
result = matchingManagers.FirstOrDefault(manager => manager.Identify(filename));
// if none of them match, then try all other managers
if (result == null)
{
result = _archiveManagers.Except(matchingManagers).FirstOrDefault(manager => manager.Identify(filename));
}
if (result == null && !batchMode)
{
MessageBox.Show("None of the installed plugins are able to open the file.", "Unsupported Format", MessageBoxButtons.OK, MessageBoxIcon.Information);
}
return(result == null ? null : (IArchiveManager)Activator.CreateInstance(result.GetType()));
}
