/// <summary>
/// Opens a file if the user chooses, or does nothing if they cancel or exit.
/// </summary>
private void Open()
{
OpenFileDialog open = new OpenFileDialog();
open.Filter = "Spreadsheet files (*.ss)|*.ss|All files (*.*)|*.*";
// Set the default filter to *.ss
open.FilterIndex = 1;
// Open the file chooser
open.ShowDialog();
string path = open.FileName;
// If user doesn't choose a file
if (path == "")
return;
// Set the file title (filename) and save path
string filename = open.SafeFileName;
// Try to make a new spreadsheet with the chosen file, then make a new file if
// it succeeds. If it is an invalid or corrupt file, then show the message and
// don't make the new file.
try {
SS.Spreadsheet sheet = new SS.Spreadsheet(path, x => true, (string s) => s.ToUpper(), "ps6");
// Start a new spreadsheet with the chosen filename
MyApplicationContext.getAppContext().RunForm(new Form1(path, filename, sheet));
} catch (SS.SpreadsheetReadWriteException e) {
MessageBox.Show("Invalid or corrupt file.", "Error", MessageBoxButtons.OK, MessageBoxIcon.Error);
}
}
/// <summary>
/// Constructs a new spreadsheet when user clicks open
/// and user login is no longer required.
/// </summary>
public Form1(String ip, String password)
{
InitializeComponent();
client = new Client();
time = new System.Timers.Timer();
client.IncomingLineEvent += MessageReceived;
usrPassword = password;
usrIpAddrss = ip;
login = new Login.Form1(client, ip, password);
spreadsheetPanel1.Hide();
time.Interval = 3000; // Set to 30000 for 30 seconds!!
time.Elapsed += new ElapsedEventHandler(time_elapsed);
// This could also be done graphically in the designer, as has been
// demonstrated in class.
spreadsheetPanel1.SelectionChanged += DisplaySelectedCell;
spreadsheet = new SS.Spreadsheet(x => true, (string s) => s.ToUpper(), "ps6");
SetTitle();
InsertMode = false;
}
/// <summary>
/// Constructs a new spreadsheet
/// </summary>
public Form1(string filename, string save, SS.Spreadsheet sheet)
{
InitializeComponent();
spreadsheet = sheet;
spreadsheetPanel1.SelectionChanged += DisplaySelectedCell;
// Initialize all of the non-empty cells
HashSet<string> cells = new HashSet<string>(spreadsheet.GetNamesOfAllNonemptyCells());
foreach (string name in cells)
DisplayValueInTable(name);
spreadsheetPanel1.SetSelection(0, 0);
saveFile = filename;
titleFile = save;
// Perform an initial save
Save();
SetTitle();
InsertMode = true;
}
private int versionNumber; // Keep track of this spreadsheet's version number
#endregion Fields
#region Constructors
/// <summary>
/// Constructs a new spreadsheet
/// </summary>
public Form1()
{
InitializeComponent();
//Creates new socket for this specific spreadsheet.
client = new Client();
time = new System.Timers.Timer();
client.IncomingLineEvent += MessageReceived;
//Creates new login window.
login = new Login.Form1(client);
login.ClickedCancel += CancelSpreadSheet; // Will close this spreadsheet if user clicks cancel.
login.ShowDialog();
//Save the IpAddress and the password so user will not have to input every
// time a new spreadsheet is opened.
usrPassword = login.getPassword();
usrIpAddrss = login.getIp();
SSEdit = false;
//Hide spreadsheet until the login has been verified.
spreadsheetPanel1.Hide();
time.Interval = 30000; // Set to 30000 for 30 seconds!!
time.Elapsed += new ElapsedEventHandler(time_elapsed);
// This could also be done graphically in the designer, as has been
// demonstrated in class.
spreadsheetPanel1.SelectionChanged += DisplaySelectedCell;
spreadsheet = new SS.Spreadsheet(x => true, (string s) => s.ToUpper(), "ps6");
titleFile = "Sheet " + totalSpreadsheets;
saveFile = "";
SetTitle();
InsertMode = true;
}