protected override void OnLoad(EventArgs e)
{
base.OnLoad(e);
if (!Page.IsPostBack)
{
ContentField.Focus();
LoadData();
}
}
/// <summary>
/// Constructor for the Spreadsheet.
/// </summary>
public Form1()
{
InitializeComponent();
sheet = new Spreadsheet(s => true, s => s.ToUpper(), "ps6");
spreadsheetPanel1.SelectionChanged += displaySelection;
spreadsheetPanel1.SetSelection(0, 0);
displaySelection(spreadsheetPanel1);
spreadsheetPanel1.SendToBack();
spreadsheetPanel1.Focus();
ContentField.BringToFront();
ContentField.Focus();
this.Hide();
}
public Form1(Spreadsheet sheet)
{
InitializeComponent();
this.sheet = sheet;
foreach (String cellName in sheet.GetNamesOfAllNonemptyCells())
{
updateCell(cellName, spreadsheetPanel1);
}
spreadsheetPanel1.SelectionChanged += displaySelection;
spreadsheetPanel1.SetSelection(0, 0);
displaySelection(spreadsheetPanel1);
spreadsheetPanel1.SendToBack();
spreadsheetPanel1.Focus();
ContentField.BringToFront();
ContentField.Focus();
}
// Every time the selection changes, this method is called with the
// Spreadsheet as its parameter. We display the current time in the cell.
private void displaySelection(SpreadsheetPanel ss)
{
// Used for periodically checking for cirular dependencies
//if (Stopwatch.IsRunning == false)
// Stopwatch.Start();
//if(Stopwatch.ElapsedMilliseconds 60000)
//{
// PeriodicCircCheck(ss);
// Stopwatch.Reset();
//}
int row, col;
String value;
if (connected == true)
{
Model.Model.Unfocus();
}
ss.GetSelection(out col, out row);
ss.GetValue(col, row, out value);
CellNameField.Text = (((Char)((65) + (col))) + "" + (row + 1));
if (connected == true)
{
Model.Model.Focus(CellNameField.Text);
}
spreadsheetPanel1.GetFirstSelection(out int fcol, out int frow);
int xpos = LABEL_COL_WIDTH + (col - fcol) * DATA_COL_WIDTH + 1;
int ypos = LABEL_ROW_HEIGHT + (row - frow) * DATA_ROW_HEIGHT + 1;
ContentField.Location = new Point(xpos, ypos);
ContentField.BringToFront();
ContentField.Focus();
ContentsBar.Text = ContentField.Text;
if (sheet.GetCellValue(CellNameField.Text) is FormulaError err)
{
ss.SetValue(col, row, "#REF ");
CellValueField.Text = "#REF ";
}
else
{
ss.SetValue(col, row, sheet.GetCellValue(CellNameField.Text) + "");
CellValueField.Text = sheet.GetCellValue(CellNameField.Text) + "";
}
if (sheet.GetCellContents(((Char)((65) + (col))) + "" + (row + 1)) is Formula form)
{
ContentField.Text = "=" + sheet.GetCellContents(((Char)((65) + (col))) + "" + (row + 1));
}
else
{
ContentField.Text = "" + sheet.GetCellContents(((Char)((65) + (col))) + "" + (row + 1));
}
//CS3505 changes///////////////////////////////////////////////////
//Checks to see if a circular dependency was found and display #REF in the selected cell on update if it was
if (isCircular == true)
{
MessageBox.Show("The formula you entered results in a circular exception.");
ss.SetValue(col, row, "#REF ");
CellValueField.Text = "#REF ";
isCircular = false;
}
//end//////////////////////////////////////////////////////////////
ContentField.Focus();
}
