private void findFreqsButton_Click(object sender, EventArgs e)
{
int[] scores = CaesarAndVigenere.letterFrequencyAnalyser(parent.ciphertext);
freqsListView.Items.Clear();
for (int x = 0; x < 26; x++)
{
string[] rowStrings = new string[] { CaesarAndVigenere.ALPHABET[x].ToString(), scores[x].ToString() };
ListViewItem item = new ListViewItem(rowStrings);
freqsListView.Items.Add(item);
}
updateChart();
}
private void updateChart()
{
//chart1.Series["Actual Frequencies"].Points.DataBindY(CaesarAndVigenere.ALPHABET.ToArray());
chart1.Series["English Frequencies"].Enabled = false;
chart1.Series["Actual Frequencies"].Enabled = false;
chart1.Series["Frequencies of Caesar Decryption"].Enabled = false;
string text = CaesarAndVigenere.stripText(parent.ciphertext);
if (text.Length == 0)
{
return;
}
if (expectedFreqsCheckBox.Checked)
{
chart1.Series["English Frequencies"].Enabled = true;
double[] percentageScores = CaesarAndVigenere.ENGLISH_FREQUENCIES.Select(x => 100.0 * x).ToArray();
chart1.Series["English Frequencies"].Points.DataBindY(percentageScores);
}
if (userCaesarShiftCheckBox.Checked)
{
if (!invalidKeyLabel.Visible)
{
chart1.Series["Frequencies of Caesar Decryption"].Enabled = true;
double textLength = text.Length;
int[] scores = CaesarAndVigenere.letterFrequencyAnalyser(CaesarAndVigenere.caesarText(text, caesarShiftLetterBox.Text[0], false));
double[] percentageScores = scores.Select(x => 100.0 * x / textLength).ToArray();
chart1.Series["Frequencies of Caesar Decryption"].Points.DataBindY(percentageScores);
}
}
else
{
chart1.Series["Actual Frequencies"].Enabled = true;
double textLength = text.Length;
int[] scores = CaesarAndVigenere.letterFrequencyAnalyser(text);
double[] percentageScores = scores.Select(x => 100.0 * x / textLength).ToArray();
chart1.Series["Actual Frequencies"].Points.DataBindY(percentageScores);
}
}