public void populateTable(ResultContainer results)
{
if (results != null)
{ //it will be null if the user cancelled the operation prematurely.
if (this.totalwords.InvokeRequired)
{
// It's on a different thread, so use Invoke.
ResultsCallback d = new ResultsCallback(ResultsDisplay);
this.Invoke(d, new object[] { results });
}
else
{
// It's on the same thread, no need for Invoke
Dictionary<String, int> frequencies = results.Frequencies;
int wordcount = results.Wordcount;
//Related information
totalwords.Text = "Total Word Count: " + wordcount;
uniquewords.Text = "Unique Word Count: " + frequencies.Count;
var ordered_results = from k in frequencies.Keys orderby frequencies[k] descending select k;
double previous_frequency = 0;
foreach (string key in ordered_results)
{
double word_frequency = (frequencies[key] / (double)wordcount) * 100;
if (word_frequency == previous_frequency)
{ //Don't display the same percentage over and over again. Just for the first time it appears.
resultsbox.Items.Add(key + "\t [" + frequencies[key] + "]");
}
else
{
resultsbox.Items.Add(key + "\t [" + frequencies[key] + ", " + word_frequency.ToString("#0.00") + "%]");
previous_frequency = word_frequency;
}
}
progressBar.Visible = false;
progressBar.Value = 0;
calcLabel.Visible = false;
totalwords.Visible = true;
uniquewords.Visible = true;
resultsbox.Visible = true;
recalculatebutton.Text = "Re-calculate";
calculating = false;
}
}
}
public void ResultsDisplay(ResultContainer results)
{
resultsbox.Items.Clear();
// It's on the same thread, no need for Invoke
Dictionary<String, int> frequencies = results.Frequencies;
int wordcount = results.Wordcount;
//Related information
totalwords.Text = "Total Word Count: " + wordcount;
uniquewords.Text = "Unique Word Count: " + frequencies.Count;
var ordered_results = from k in frequencies.Keys orderby frequencies[k] descending select k;
double previous_frequency = 0;
foreach (string key in ordered_results)
{
double word_frequency = (frequencies[key] / (double)wordcount) * 100;
if (word_frequency == previous_frequency)
{ //Don't display the same percentage over and over again. Just for the first time it appears.
resultsbox.Items.Add(key + "\t [" + frequencies[key] + "]");
}
else
{
resultsbox.Items.Add(key + "\t [" + frequencies[key] + ", " + word_frequency.ToString("#0.00") + "%]");
previous_frequency = word_frequency;
}
}
progressBar.Visible = false;
progressBar.Value = 0;
calcLabel.Visible = false;
totalwords.Visible = true;
uniquewords.Visible = true;
resultsbox.Visible = true;
recalculatebutton.Text = "Re-calculate";
calculating = false;
}
public void saveToFile(ResultContainer results)
{
saveFileDialog1.Filter = "Comma Separated Value|*.csv";
saveFileDialog1.Title = "Where to save the file?";
saveFileDialog1.FileName = "Word Frequency";
saveFileDialog1.ShowDialog();
Dictionary<String, int> frequencies = results.Frequencies;
int wordcount = results.Wordcount;
double previous_frequency = 0;
// If the file name is not an empty string open it for saving.
if (saveFileDialog1.FileName != "")
{
// Saves the Image via a FileStream created by the OpenFile method.
System.IO.FileStream fs =
(System.IO.FileStream)saveFileDialog1.OpenFile();
var ordered_results = from k in frequencies.Keys orderby frequencies[k] descending select k;
AddText(fs, "Word, Count, Frequency\n");
foreach (string key in ordered_results)
{
double word_frequency = (frequencies[key] / (double)wordcount) * 100;
AddText(fs, key + ", " + frequencies[key] + ", " + word_frequency.ToString("#0.00") + "%\n");
previous_frequency = word_frequency;
}
// close the stream
fs.Close();
progressBar.Visible = false;
progressBar.Value = 0;
calcLabel.Visible = false;
totalwords.Visible = false;
uniquewords.Visible = false;
resultsbox.Visible = false;
recalculatebutton.Text = "Re-calculate";
calculating = false;
// write a line of text to the file
this.Visible = false;
}
}
