/// <summary>
/// Sets the selected cell contents to the new value from the data bar. If an exception occurs the info bar will
/// display an error message.
/// </summary>
private void CellValueBarChanged(string value)
{
//Set the info bar to be empty.
_window.InfoBarText = string.Empty;
try
{
SendCell(SelectedCell.CellName, value);
UpdateInfoBar($"{SelectedCell.CellName}: { SelectedCell.GetCellValue(Spreadsheet)}", Color.White);
_window.SetTitle(_spreadsheetName + "*");
}
catch (Exception e)
{
UpdateInfoBar(e.Message, Color.Red);
}
}
/// <summary>
/// Initializes a controller for the given window.
/// This is the controlling component in the MVC framework.
/// </summary>
/// <param name="window"></param>
public Controller(ISpreadsheetView window, ISpreadsheetServer server, String SpreadsheetName)
{
_window = window;
_server = server;
_spreadsheetName = SpreadsheetName;
SelectedCell = new GuiCell(0, 0);
Spreadsheet = new Spreadsheet();
_random = new Random();
Clients = new Dictionary <string, Client>();
// Event Subscriptions
_window.CellValueBoxTextComplete += CellValueBarChanged;
_window.CellSelectionChange += SpreadsheetSelectionChanged;
_window.CreateNew += CreateNew;
_window.HandleOpen += () => HandleOpen(null);
_window.HandleSave += () => HandleSave(_savePath);
_window.HandleSaveAs += () => HandleSave(null);
_window.HandleClose += HandleClose;
_window.HandleHelp += WindowOnHandleHelp;
_window.HandleUndo += Undo;
//Setup defaults
_window.SetSelection(SelectedCell.CellColumn, SelectedCell.CellRow);
UpdateInfoBar($"{SelectedCell.CellName}: { SelectedCell.GetCellValue(Spreadsheet)}", Color.White);
UpdateCellNameText();
_window.SetTitle(_spreadsheetName);
}
/// <summary>
/// Creates a new controller that is based off of the passed in window and contains all of
/// the data stored in the passed in file. Error checking will have been done by a previous
/// controller, so the passed in file will always be readable.
/// </summary>
/// <param name="_window">The GUI that the controller can interact with</param>
/// <param name="filename">The name of the file containing the data to be read</param>
public Controller(ISpreadsheetView _window, string filename) : this(_window)
{
int col, row;
Regex r = new Regex(@"^[a-zA-Z][1-9][0-9]?$");
using (StreamReader sw = new StreamReader(filename))
{
spreadsheet = new Spreadsheet(sw, r);
}
foreach (string cell in spreadsheet.GetNamesOfAllNonemptyCells())
{
toCoordinates(cell, out col, out row);
window.SetValue(col, row, spreadsheet.GetCellValue(cell).ToString());
}
window.SetTitle(filename);
HandleNewCellSelected();
}
