protected virtual ICollection <string> FilesToImport(object parameter)
{
using (var dialog = _dialogFactory.CreateOpenFileDialog())
{
dialog.AddExtension = true;
dialog.AutoUpgradeEnabled = true;
dialog.CheckFileExists = true;
dialog.CheckPathExists = true;
dialog.Multiselect = true;
dialog.ShowHelp = false;
dialog.Title = DialogsTitle;
dialog.Filter =
$"{RubberduckUI.ImportCommand_OpenDialog_Filter_VBFiles} ({FilterExtension})|{FilterExtension}|" +
$"{RubberduckUI.ImportCommand_OpenDialog_Filter_AllFiles}, (*.*)|*.*";
if (dialog.ShowDialog() != DialogResult.OK)
{
return(new List <string>());
}
var fileNames = dialog.FileNames;
var fileExtensions = fileNames.Select(Path.GetExtension);
if (fileExtensions.Any(fileExt => !ImportableExtensions.Contains(fileExt)))
{
NotifyUserAboutAbortDueToUnsupportedFileExtensions(fileNames);
return(new List <string>());
}
return(fileNames);
}
}
//TODO: Gather all conflicts and report them in one error dialog instead of reporting them one at a time.
private void NotifyUserAboutAbortDueToUnsupportedFileExtensions(IEnumerable <string> fileNames)
{
var firstUnsupportedFile = fileNames.First(filename => !ImportableExtensions.Contains(Path.GetExtension(filename)));
var unsupportedFileName = Path.GetFileName(firstUnsupportedFile);
var message = string.Format(RubberduckUI.ImportCommand_UnsupportedFileExtensions, unsupportedFileName);
MessageBox.NotifyWarn(message, DialogsTitle);
}