private void BtnSave_Click(object sender, EventArgs e)
{
string path;
using (var save = new SaveFileDialog
{
Title = Words.SaveVocabularyBook,
FileName = TbMotherTongue.Text + " - " + TbForeignLang.Text,
InitialDirectory = Settings.Default.VhfPath,
Filter = Words.VocupVocabularyBookFile + " (*.vhf)|*.vhf"
})
{
if (save.ShowDialog() == DialogResult.OK)
{
path = save.FileName;
}
else
{
DialogResult = DialogResult.Cancel;
return;
}
}
Cursor.Current = Cursors.WaitCursor;
var result = new VocabularyBook
{
MotherTongue = TbMotherTongue.Text,
ForeignLang = TbForeignLang.Text,
FilePath = path
};
foreach (var book in books)
{
foreach (var word in book.Words)
{
CopyWord(word, result);
}
}
result.GenerateVhrCode();
if (!VocabularyFile.WriteVhfFile(path, result) ||
!VocabularyFile.WriteVhrFile(result))
{
MessageBox.Show(Messages.VocupFileWriteError, Messages.VocupFileWriteErrorT, MessageBoxButtons.OK,
MessageBoxIcon.Error);
DialogResult = DialogResult.Abort;
}
else
{
DialogResult = DialogResult.OK;
}
Cursor.Current = Cursors.Default;
}
public bool Read(VocabularyBook book)
{
if (string.IsNullOrWhiteSpace(book.VhrCode))
{
return(false);
}
FileInfo vhrInfo = new FileInfo(Path.Combine(Settings.Default.VhrPath, book.VhrCode + ".vhr"));
if (!vhrInfo.Exists)
{
return(false);
}
string plaintext;
try
{
plaintext = ReadFile(vhrInfo.FullName);
}
catch (FormatException)
{
DeleteInvalidFile(vhrInfo);
return(false);
}
catch (System.Security.Cryptography.CryptographicException)
{
DeleteInvalidFile(vhrInfo);
return(false);
}
using (StringReader reader = new StringReader(plaintext))
{
string path = reader.ReadLine();
string mode = reader.ReadLine();
if (string.IsNullOrWhiteSpace(path) ||
string.IsNullOrWhiteSpace(mode) || !int.TryParse(mode, out int imode) || !((PracticeMode)imode).IsValid())
{
DeleteInvalidFile(vhrInfo);
return(false);
}
List <(int stateNumber, DateTime date)> results = new List <(int stateNumber, DateTime date)>();
while (true)
{
string line = reader.ReadLine();
if (line == null)
{
break;
}
string[] columns = line.Split('#');
if (columns.Length != 2 || !int.TryParse(columns[0], out int state) || !PracticeStateHelper.Parse(state).IsValid())
{
DeleteInvalidFile(vhrInfo);
return(false);
}
DateTime time = DateTime.MinValue;
if (!string.IsNullOrWhiteSpace(columns[1]) && !DateTime.TryParseExact(columns[1], "dd.MM.yyyy HH:mm", CultureInfo.InvariantCulture, DateTimeStyles.None, out time))
{
DeleteInvalidFile(vhrInfo);
return(false);
}
results.Add((state, time));
}
bool countMatch = book.Words.Count == results.Count;
FileInfo vhfInfo = new FileInfo(book.FilePath);
FileInfo pathInfo = new FileInfo(path);
if (vhfInfo.FullName.Equals(pathInfo.FullName, StringComparison.OrdinalIgnoreCase))
{
if (!countMatch)
{
MessageBox.Show(Messages.VhrInvalidRowCount, Messages.VhrCorruptFileT, MessageBoxButtons.OK, MessageBoxIcon.Warning);
try { vhrInfo.Delete(); } catch { }
return(false);
}
}
else
{
if (!countMatch)
{
MessageBox.Show(Messages.VhrInvalidRowCountAndOtherFile, Messages.VhrCorruptFileT, MessageBoxButtons.OK, MessageBoxIcon.Warning);
return(false);
}
if (pathInfo.Exists)
{
book.GenerateVhrCode(); // Save new results file if the old one is in use by another file
}
book.UnsavedChanges = true;
}
book.PracticeMode = (PracticeMode)imode;
for (int i = 0; i < book.Words.Count; i++)
{
VocabularyWord word = book.Words[i];
(word.PracticeStateNumber, word.PracticeDate) = results[i];
}
}
return(true);
}