private void BtnDifferences_Click(object sender, EventArgs e)
{
for (int r = 1; r <= 12; r++)
{
for (int c = 1; c <= 4; c++)
{
Difference[r, c] = Violations[r, c, 2] - Violations[r, c, 1];
}
}
TxtDisplay.Clear();
TxtDisplay.Text = "Change in Violations from 1982 to 1983" + Environment.NewLine;
TxtDisplay.Text += Environment.NewLine;
TxtDisplay.Text += "\t";
for (int c = 1; c <= 4; c++)
{
TxtDisplay.Text += TicketType[c] + "\t";
}
TxtDisplay.Text += Environment.NewLine;
for (int r = 1; r <= 12; r++)
{
TxtDisplay.Text += Months[r] + "\t";
for (int c = 1; c <= 4; c++)
{
TxtDisplay.Text += Convert.ToString(Difference[r, c]) + "\t";
}
TxtDisplay.Text += Environment.NewLine;
}
TxtDisplay.Text += Environment.NewLine;
}
private void BtnDisplay_Click(object sender, EventArgs e)
{
TxtDisplay.Clear();
TxtDisplay.Text = "Parking Violations Summary" + Environment.NewLine;
TxtDisplay.Text += Environment.NewLine;
for (int slice = 1; slice <= 2; slice++)
{
TxtDisplay.Text += Year[slice] + "\t";
for (int c = 1; c <= 4; c++)
{
TxtDisplay.Text += TicketType[c] + "\t";
}
TxtDisplay.Text += Environment.NewLine;
for (int r = 1; r <= 12; r++)
{
TxtDisplay.Text += Months[r] + "\t";
for (int c = 1; c <= 4; c++)
{
TxtDisplay.Text += Convert.ToString(Violations[r, c, slice]) + "\t";
}
TxtDisplay.Text += Environment.NewLine;
}
TxtDisplay.Text += Environment.NewLine;
}
}
private void Display(string[,] m, int rows, int cols, string [] w, int u, string text)
{
TxtDisplay.Clear();
TxtDisplay.Text += text + Environment.NewLine;
TxtDisplay.Text += Environment.NewLine;
TxtDisplay.Text += "Words to Find" + Environment.NewLine;
for (int i = 1; i <= u; i++)
{
TxtDisplay.Text += w[i] + Environment.NewLine;
}
TxtDisplay.Text += Environment.NewLine;
TxtDisplay.Text += "Puzzle" + Environment.NewLine;
for (int r = 1; r <= rows; r++)
{
for (int c = 1; c <= cols; c++)
{
TxtDisplay.Text += Convert.ToString(m[r, c]);
}
TxtDisplay.Text += Environment.NewLine;
}
TxtDisplay.Text += Environment.NewLine;
}
private void BtnPalindrome_Click(object sender, EventArgs e)
{
TxtDisplay.Clear();
string StartUpPath = Application.StartupPath;
string f = StartUpPath + @"\palindromes.txt";
StreamReader r = new StreamReader(f);
string line;
bool finished = false;
while (!finished)
{
line = r.ReadLine();
if (line == null)
{
finished = true;
}
else
{
if (isPalindrome(Strip(line))) //note here how we have embedded a method inside another method
{
TxtDisplay.Text += line + " YES" + Environment.NewLine;
}
else
{
TxtDisplay.Text += line + " NO" + Environment.NewLine;
}
}
}
}
private void DisplayResults(string[] c, string[] ag, int[,] v, int[] ct, int g)
{
TxtDisplay.Clear();
TxtDisplay.Text = "Questionnaire Analysis" + Environment.NewLine;
TxtDisplay.Text += Environment.NewLine;
TxtDisplay.Text += "\t";
for (int a = 1; a <= 2; a++)
{
TxtDisplay.Text += ag[a] + "\t";
}
TxtDisplay.Text += "Total";
TxtDisplay.Text += Environment.NewLine;
for (int r = 1; r <= 3; r++)
{
TxtDisplay.Text += c[r] + "\t";
for (int a = 1; a <= 2; a++)
{
TxtDisplay.Text += Convert.ToString(v[r, a]) + "\t";
}
TxtDisplay.Text += ct[r];
TxtDisplay.Text += Environment.NewLine;
}
TxtDisplay.Text += "\t" + "\t" + "\t" + g.ToString();
}
private void BtnDisplayFriends_Click(object sender, EventArgs e)
{
string StartUpPath = Application.StartupPath;
string f = StartUpPath + @"\friends.txt";
StreamReader r = new StreamReader(f);
string line;
string contents = "";
bool finished = false;
while (!finished)
{
line = r.ReadLine();
if (line == null)
{
finished = true;
}
else
{
contents += line + Environment.NewLine;
}
}
r.Close();
TxtDisplay.Clear();
TxtDisplay.Text = contents;
}
private void Display(StudentRecord[] rec, int u)
{
TxtDisplay.Clear();
for (int i = 1; i <= u; i++)
{
TxtDisplay.Text += rec[i].sname + "\t" + rec[i].mark + Environment.NewLine;
}
}
private void BtnCheapestPath_Click(object sender, EventArgs e)
{
DataFile(grid, ref gridXrow, ref gridYcolumn);
TxtDisplay.Clear();
Display(grid, gridXrow, gridYcolumn, "Original Grid");
cheapest = 10000;
BestPath(gridXrow, 1, grid[gridXrow, 1], "" + grid[gridXrow, 1]);
TxtDisplay.Text += "The cheapest path is: " + cheapest.ToString("c") + ".- through " + path;
}
/// <summary>
/// Event that happens when a number button is clicked
/// Inserts a number into the equation
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
private void NumbersEvent(object sender, EventArgs e)
{
Button btn = (Button)sender;
if (TxtDisplay.Text == "0" || _entered_value)
{
TxtDisplay.Clear();
}
TxtDisplay.Text += btn.Text;
_entered_value = false;
_operatorInserted = false;
}
private void BtnCount_Click(object sender, EventArgs e)
{
TxtDisplay.Clear();
string StartUpPath = Application.StartupPath;
string f = StartUpPath + @"\words.txt";
StreamReader r = new StreamReader(f);
string word;
string line;
int cases = int.Parse(r.ReadLine());
//The tricky part of this problem is the case insensitive
//matching, you can convert the input word and sentence to both upper
//or lower case,although you must save a copy of the original word
//because it is required in the output
for (int i = 1; i <= cases; i++)
{
word = r.ReadLine();
line = r.ReadLine().ToLower();
string cmpWord = word.ToLower();
int count = 0;
int index = line.IndexOf(cmpWord);
while (index != -1)
{
count++;
index = line.IndexOf(cmpWord, index + 1);
}
TxtDisplay.Text += word + Environment.NewLine;
TxtDisplay.Text += line + Environment.NewLine;
TxtDisplay.Text += "Occurences of the word -> " + word + " is " + count + Environment.NewLine + Environment.NewLine;
}
}
private void BtnBegin_Click(object sender, EventArgs e)
{
DataFile(grid, ref rows, ref cols);
TxtDisplay.Clear();
Display(grid, rows, cols, "Original Grid");
TxtDisplay.Text += "Starting position is row: " + startrow.ToString() + " column :" + startcolumn.ToString() + Environment.NewLine;
TxtDisplay.Text += "Ending position is row: " + endrow.ToString() + " column :" + endcolumn.ToString() + Environment.NewLine;
TxtDisplay.Text += Environment.NewLine;
if (FindPath(startrow, startcolumn))
{
TxtDisplay.Text += "Goal Reached !!" + Environment.NewLine;
Display(grid, rows, cols, "Here is the Path");
}
else
{
TxtDisplay.Text += "Goal not reached";
}
}
private void BtnDisplayNewFriends_Click(object sender, EventArgs e)
{
string StartUpPath = Application.StartupPath;
string f = StartUpPath + @"\newfriends.txt";
StreamReader r = new StreamReader(f);
string line;
string contents = "";
while ((line = r.ReadLine()) != null)
{
contents += line + Environment.NewLine;
}
r.Close();
TxtDisplay.Clear();
TxtDisplay.Text = contents;
}
private void PasteClick(object sender, RoutedEventArgs e)
{
string savedText = TxtDisplay.Text;
TxtDisplay.Clear();
Regex regex = new Regex("[+-]?[0-9]||[0-9][.0-9]||[0-9][,0-9]");
if (regex.IsMatch(Clipboard.GetText()) == true)
{
TxtDisplay.Paste();
if (TxtDisplay.Text.Contains(".") == true)
{
BtnPoint.IsEnabled = false;
}
}
else
{
MessageBox.Show("Invalid input!");
TxtDisplay.Text = savedText;
}
}
private void DisplayRecords()
{
TxtDisplay.Clear();
TxtDisplay.Text = "Business" + Environment.NewLine;
TxtDisplay.Text += Environment.NewLine;
TxtDisplay.Text += "Name" + "\t" + "\t" + "Telephone" + "\t" + "Occupation";
TxtDisplay.Text += Environment.NewLine;
for (int r = 1; r <= n; r++)
{
for (int c = 1; c <= 3; c++)
{
TxtDisplay.Text += (BusRec[r, c]) + "\t" + "\t";
}
TxtDisplay.Text += Environment.NewLine;
}
TxtDisplay.Text += Environment.NewLine;
TxtDisplay.Refresh();
}
private void DisplayCensusResults(string [] a, string [] s, int [,] c, int [] at, int [] st, int g)
{
TxtDisplay.Clear();
TxtDisplay.Text = "Census Analysis" + Environment.NewLine;
TxtDisplay.Text += Environment.NewLine;
TxtDisplay.Text += "\t";
for (int i = 1; i <= 2; i++)
{
TxtDisplay.Text += s[i] + "\t";
}
TxtDisplay.Text += "Total";
TxtDisplay.Text += Environment.NewLine;
for (int i = 1; i <= 8; i++)
{
TxtDisplay.Text += a[i] + "\t";
for (int j = 1; j <= 2; j++)
{
TxtDisplay.Text += Convert.ToString(c[i, j]) + "\t";
}
TxtDisplay.Text += at[i];
TxtDisplay.Text += Environment.NewLine;
}
TxtDisplay.Text += "Total" + "\t";
for (int j = 1; j <= 2; j++)
{
TxtDisplay.Text += st[j] + "\t";
}
TxtDisplay.Text += g.ToString();
}
private void ButtonClick(object sender, RoutedEventArgs e)
{
if ((TxtDisplay.Text == "0" || (operationChecked)))
{
TxtDisplay.Clear();
}
operationChecked = false;
Button button = sender as Button;
if (memoryClicked == true)
{
TxtDisplay.Text = button.Content.ToString();
}
else
{
TxtDisplay.Text = TxtDisplay.Text + button.Content.ToString();
FormatTextForClick(sender);
}
EnableDisableButtons(true);
BtnEqual.IsEnabled = true;
BtnC.IsEnabled = true;
BtnCE.IsEnabled = true;
}
private void BtnMarks_Click(object sender, EventArgs e)
{
TxtDisplay.Clear();
contents = "";
total = 0;
counter = 0;
average = 0;
string StartUpPath = Application.StartupPath;
string f = StartUpPath + @"\marks.txt";
StreamReader r = new StreamReader(f);
bool finished = false;
while (!finished)
{
ReadData(r);
if (studentname == null || studentmark == null)
{
finished = true;
}
else
{
Math();
}
}
r.Close();
average = total / counter;
TxtDisplay.Text = contents + Environment.NewLine + "Overall Average is " + average.ToString("n2");;
}
private void KeyboardKeyDown(object sender, KeyEventArgs e)
{
if (TxtDisplay.Text != "0" && GetDigit(e) != null && operationChecked == false)
{
TxtDisplay.Text += GetDigit(e);
if (digitGroupingCheck == true)
{
string decimalPart = "";
if (TxtDisplay.Text.Contains(".") == true)
{
decimalPart = TxtDisplay.Text.Substring(TxtDisplay.Text.IndexOf(CultureInfo.CurrentCulture.NumberFormat.NumberDecimalSeparator));
}
int numberOnDisplay = (int)(double.Parse(TxtDisplay.Text));
string changedDisplay = numberOnDisplay.ToString("N", CultureInfo.CurrentCulture);
if (changedDisplay.Contains(CultureInfo.CurrentCulture.NumberFormat.NumberDecimalSeparator + "00"))
{
changedDisplay = changedDisplay.Replace(CultureInfo.CurrentCulture.NumberFormat.NumberDecimalSeparator + "00", "");
}
if (TxtDisplay.Text.Contains("."))
{
changedDisplay += decimalPart;
}
if (TxtDisplay.Text.Contains(".") && changedDisplay[changedDisplay.Length - 1] == '0')
{
changedDisplay = changedDisplay.Substring(0, changedDisplay.Length - 1);
}
if (TxtDisplay.Text.Contains(".") == true && (e.Key == Key.D0 || e.Key == Key.NumPad0))
{
changedDisplay += "0";
}
TxtDisplay.Text = changedDisplay;
}
else
{
double number = double.Parse(TxtDisplay.Text);
TxtDisplay.Text = number.ToString("G");
}
EnableDisableButtons(true);
BtnEqual.IsEnabled = true;
BtnC.IsEnabled = true;
BtnCE.IsEnabled = true;
}
else if (TxtDisplay.Text == "0" && GetDigit(e) != null)
{
TxtDisplay.Text = GetDigit(e);
if (digitGroupingCheck == true)
{
string decimalPart = "";
if (TxtDisplay.Text.Contains(".") == true)
{
decimalPart = TxtDisplay.Text.Substring(TxtDisplay.Text.IndexOf(CultureInfo.CurrentCulture.NumberFormat.NumberDecimalSeparator));
}
int numberOnDisplay = (int)(double.Parse(TxtDisplay.Text));
string changedDisplay = numberOnDisplay.ToString("N", CultureInfo.CurrentCulture);
if (changedDisplay.Contains(CultureInfo.CurrentCulture.NumberFormat.NumberDecimalSeparator + "00"))
{
changedDisplay = changedDisplay.Replace(CultureInfo.CurrentCulture.NumberFormat.NumberDecimalSeparator + "00", "");
}
if (TxtDisplay.Text.Contains("."))
{
changedDisplay += decimalPart;
}
if (TxtDisplay.Text.Contains(".") && changedDisplay[changedDisplay.Length - 1] == '0')
{
changedDisplay = changedDisplay.Substring(0, changedDisplay.Length - 1);
}
if (TxtDisplay.Text.Contains(".") == true && (e.Key == Key.D0 || e.Key == Key.NumPad0))
{
changedDisplay += "0";
}
TxtDisplay.Text = changedDisplay;
}
else
{
double number = double.Parse(TxtDisplay.Text);
TxtDisplay.Text = number.ToString("G");
}
EnableDisableButtons(true);
BtnEqual.IsEnabled = true;
BtnC.IsEnabled = true;
BtnCE.IsEnabled = true;
}
else if (TxtDisplay.Text != "0" && GetDigit(e) != null && operationChecked == true)
{
TxtDisplay.Text = GetDigit(e);
operationChecked = false;
if (digitGroupingCheck == true)
{
string decimalPart = "";
if (TxtDisplay.Text.Contains(".") == true)
{
decimalPart = TxtDisplay.Text.Substring(TxtDisplay.Text.IndexOf(CultureInfo.CurrentCulture.NumberFormat.NumberDecimalSeparator));
}
int numberOnDisplay = (int)(double.Parse(TxtDisplay.Text));
string changedDisplay = numberOnDisplay.ToString("N", CultureInfo.CurrentCulture);
if (changedDisplay.Contains(CultureInfo.CurrentCulture.NumberFormat.NumberDecimalSeparator + "00"))
{
changedDisplay = changedDisplay.Replace(CultureInfo.CurrentCulture.NumberFormat.NumberDecimalSeparator + "00", "");
}
if (TxtDisplay.Text.Contains("."))
{
changedDisplay += decimalPart;
}
if (TxtDisplay.Text.Contains(".") && changedDisplay[changedDisplay.Length - 1] == '0')
{
changedDisplay = changedDisplay.Substring(0, changedDisplay.Length - 1);
}
if (TxtDisplay.Text.Contains(".") == true && (e.Key == Key.D0 || e.Key == Key.NumPad0))
{
changedDisplay += "0";
}
TxtDisplay.Text = changedDisplay;
}
else
{
double number = double.Parse(TxtDisplay.Text);
TxtDisplay.Text = number.ToString("G");
}
EnableDisableButtons(true);
BtnEqual.IsEnabled = true;
BtnC.IsEnabled = true;
BtnCE.IsEnabled = true;
}
if (e.Key == Key.Escape)
{
NumericalButtons(true);
BtnEqual.IsEnabled = true;
BtnPoint.IsEnabled = true;
BtnCE.IsEnabled = true;
BtnMemoryAdd.IsEnabled = true;
BtnMemorySubstract.IsEnabled = true;
BtnMemoryStore.IsEnabled = true;
TxtDisplay.Text = "0";
operations.numberStack.Clear();
operations.operationStack.Clear();
operations.previousValue = 0;
EnableDisableButtons(true);
if (digitGroupingCheck == true)
{
string decimalPart = "";
if (TxtDisplay.Text.Contains(".") == true)
{
decimalPart = TxtDisplay.Text.Substring(TxtDisplay.Text.IndexOf(CultureInfo.CurrentCulture.NumberFormat.NumberDecimalSeparator));
}
int numberOnDisplay = (int)(double.Parse(TxtDisplay.Text));
string changedDisplay = numberOnDisplay.ToString("N", CultureInfo.CurrentCulture);
if (changedDisplay.Contains(CultureInfo.CurrentCulture.NumberFormat.NumberDecimalSeparator + "00"))
{
changedDisplay = changedDisplay.Replace(CultureInfo.CurrentCulture.NumberFormat.NumberDecimalSeparator + "00", "");
}
if (TxtDisplay.Text.Contains("."))
{
changedDisplay += decimalPart;
}
if (TxtDisplay.Text.Contains(".") && changedDisplay[changedDisplay.Length - 1] == '0')
{
changedDisplay = changedDisplay.Substring(0, changedDisplay.Length - 1);
}
if (TxtDisplay.Text.Contains(".") == true && (e.Key == Key.D0 || e.Key == Key.NumPad0))
{
changedDisplay += "0";
}
TxtDisplay.Text = changedDisplay;
}
else
{
double number = double.Parse(TxtDisplay.Text);
TxtDisplay.Text = number.ToString("G");
}
}
if (e.Key == Key.Enter || e.Key == Key.Return)
{
if (operations.numberStack.Count != 0 && operations.operationStack.Count != 0)
{
BtnCE.IsEnabled = false;
operationChecked = false;
BtnEqual.IsEnabled = false;
BtnPoint.IsEnabled = true;
BtnC.IsEnabled = true;
string text = operations.EqualOperation(TxtDisplay.Text);
TxtDisplay.Clear();
TxtDisplay.Text = text;
if (TxtDisplay.Text == "Cannot divide by zero!")
{
EnableDisableButtons(false);
NumericalButtons(false);
BtnEqual.IsEnabled = false;
BtnPoint.IsEnabled = false;
BtnCE.IsEnabled = false;
BtnMemoryAdd.IsEnabled = false;
BtnMemorySubstract.IsEnabled = false;
BtnMemoryStore.IsEnabled = false;
}
if (TxtDisplay.Text == "Invalid input!")
{
EnableDisableButtons(false);
NumericalButtons(false);
BtnEqual.IsEnabled = false;
BtnPoint.IsEnabled = false;
BtnCE.IsEnabled = false;
BtnMemoryAdd.IsEnabled = false;
BtnMemorySubstract.IsEnabled = false;
BtnMemoryStore.IsEnabled = false;
}
if (TxtDisplay.Text != "Invalid input!" && TxtDisplay.Text != "Cannot divide by zero!")
{
if (digitGroupingCheck == true)
{
string decimalPart = "";
if (TxtDisplay.Text.Contains(".") == true)
{
decimalPart = TxtDisplay.Text.Substring(TxtDisplay.Text.IndexOf(CultureInfo.CurrentCulture.NumberFormat.NumberDecimalSeparator));
}
int numberOnDisplay = (int)(double.Parse(TxtDisplay.Text));
string changedDisplay = numberOnDisplay.ToString("N", CultureInfo.CurrentCulture);
if (changedDisplay.Contains(CultureInfo.CurrentCulture.NumberFormat.NumberDecimalSeparator + "00"))
{
changedDisplay = changedDisplay.Replace(CultureInfo.CurrentCulture.NumberFormat.NumberDecimalSeparator + "00", "");
}
if (TxtDisplay.Text.Contains("."))
{
changedDisplay += decimalPart;
}
if (TxtDisplay.Text.Contains(".") && changedDisplay[changedDisplay.Length - 1] == '0')
{
changedDisplay = changedDisplay.Substring(0, changedDisplay.Length - 1);
}
if (TxtDisplay.Text.Contains(".") == true && (e.Key == Key.D0 || e.Key == Key.NumPad0))
{
changedDisplay += "0";
}
TxtDisplay.Text = changedDisplay;
}
else
{
double number = double.Parse(TxtDisplay.Text);
TxtDisplay.Text = number.ToString("G");
}
EnableDisableButtons(true);
BtnEqual.IsEnabled = true;
}
}
}
if (e.Key == Key.Decimal)
{
if (BtnPoint.IsEnabled == true)
{
TxtDisplay.Text = TxtDisplay.Text + ".";
BtnPoint.IsEnabled = false;
}
}
typeOfOperation = GetOperation(e);
if (typeOfOperation != null)
{
BtnCE.IsEnabled = false;
BtnC.IsEnabled = true;
EnableDisableButtons(false);
BtnEqual.IsEnabled = false;
BtnPoint.IsEnabled = true;
string text = operations.MakeOperation(TxtDisplay.Text, typeOfOperation);
TxtDisplay.Clear();
TxtDisplay.Text = text;
if (TxtDisplay.Text == "Cannot divide by zero!")
{
EnableDisableButtons(false);
NumericalButtons(false);
BtnEqual.IsEnabled = false;
BtnPoint.IsEnabled = false;
BtnCE.IsEnabled = false;
BtnMemoryAdd.IsEnabled = false;
BtnMemorySubstract.IsEnabled = false;
BtnMemoryStore.IsEnabled = false;
}
operationChecked = true;
if (digitGroupingCheck == true)
{
string decimalPart = "";
if (TxtDisplay.Text.Contains(".") == true)
{
decimalPart = TxtDisplay.Text.Substring(TxtDisplay.Text.IndexOf(CultureInfo.CurrentCulture.NumberFormat.NumberDecimalSeparator));
}
int numberOnDisplay = (int)(double.Parse(TxtDisplay.Text));
string changedDisplay = numberOnDisplay.ToString("N", CultureInfo.CurrentCulture);
if (changedDisplay.Contains(CultureInfo.CurrentCulture.NumberFormat.NumberDecimalSeparator + "00"))
{
changedDisplay = changedDisplay.Replace(CultureInfo.CurrentCulture.NumberFormat.NumberDecimalSeparator + "00", "");
}
if (TxtDisplay.Text.Contains("."))
{
changedDisplay += decimalPart;
}
if (TxtDisplay.Text.Contains(".") && changedDisplay[changedDisplay.Length - 1] == '0')
{
changedDisplay = changedDisplay.Substring(0, changedDisplay.Length - 1);
}
if (TxtDisplay.Text.Contains(".") == true && (e.Key == Key.D0 || e.Key == Key.NumPad0))
{
changedDisplay += "0";
}
TxtDisplay.Text = changedDisplay;
}
else
{
double number = double.Parse(TxtDisplay.Text);
TxtDisplay.Text = number.ToString("G");
}
}
}
private void BtnClear_Click(object sender, EventArgs e)
{
TxtDisplay.Clear();
}