private void OnSelectNewFileButtonClicked(object sender, RoutedEventArgs e)
{
string key = GetKeyFromUser();
if (String.IsNullOrWhiteSpace(key))
{
MessageBox.Show(this, "Ключ не был введён!!!");
return;
}
key = key.Trim();
OpenFileDialog fileDialog = new OpenFileDialog();
fileDialog.CheckFileExists = true;
fileDialog.Title = "Выберите файл";
fileDialog.DefaultExt = ".txt";
fileDialog.Filter = "Text documents (.txt)|*.txt";
Nullable <bool> result = fileDialog.ShowDialog();
if (result == false)
{
MessageBox.Show(this, "Файл не выбран!!");
return;
}
orginalText = File.ReadAllText(fileDialog.FileName, Encoding.Default);
VigenereCipher cipher = new VigenereCipher(alphabet);
TextPanel.Text = cipher.Decrypt(orginalText, key);
}
private void OnEncryptButtomClicked(object sender, RoutedEventArgs e)
{
string text = TextForEncryption.Text.Trim();
if (String.IsNullOrWhiteSpace(text))
{
MessageBox.Show(this, "Нет исходного текста!!!");
return;
}
string key = GetKeyFromUser();
if (String.IsNullOrWhiteSpace(key))
{
MessageBox.Show(this, "Ключ не был введён!!!");
return;
}
key = key.Trim();
VigenereCipher cipher = new VigenereCipher(alphabet);
string encryptedText = cipher.Encrypt(text, key);
SaveFileDialog fileDialog = new SaveFileDialog();
fileDialog.FileName = "Encypted";
fileDialog.DefaultExt = ".txt";
fileDialog.Filter = "Text documents (.txt)|*.txt";
Nullable <bool> result = fileDialog.ShowDialog();
if (result == true)
{
File.WriteAllText(fileDialog.FileName, encryptedText, Encoding.Default);
}
}
private void OnChangeKeyButtonClicked(object sender, RoutedEventArgs e)
{
if (orginalText == String.Empty)
{
MessageBox.Show(this, "Нет исходного текста!!!");
return;
}
string key = GetKeyFromUser();
if (String.IsNullOrWhiteSpace(key))
{
MessageBox.Show(this, "Ключ не был введён!!!");
return;
}
key = key.Trim();
VigenereCipher cipher = new VigenereCipher(alphabet);
TextPanel.Text = cipher.Decrypt(orginalText, key);
}
private void OnEncryptDocumentButtonClicked(object sender, RoutedEventArgs e)
{
string text = DocumentText.Text.Trim();
if (String.IsNullOrWhiteSpace(text))
{
MessageBox.Show(this, "Нет исходного текста!!!");
return;
}
string key = GetKeyFromUser();
if (String.IsNullOrWhiteSpace(key))
{
MessageBox.Show(this, "Ключ не был введён!!!");
return;
}
key = key.Trim();
VigenereCipher cipher = new VigenereCipher(alphabet);
DocumentText.Text = cipher.Encrypt(text, key);
}
