/// <summary>
/// Hooks OpenSpreadsheet event
/// Allows user to select a file from file dialog and opens it in a new spreadsheet. Pop ups displayed if
/// exceptions are thrown
/// </summary>
private void HandleOpenSpreadsheet()
{
//create pop up file explorer
OpenFileDialog ofd = new OpenFileDialog();
ofd.DefaultExt = "ss";
ofd.Filter = "Spreadsheet file (*.ss)|*.ss|All Files (*.*)|*.*"; //create optional filters for .ss or all files
//if they chose a file open, else cancel openspreadsheet event
if (ofd.ShowDialog() == DialogResult.OK)
{
try
{
string filePath = ofd.FileName;
string fileText = File.ReadAllText(filePath); //copy text from file
AbstractSpreadsheet ss = new Spreadsheet(new StringReader(fileText), new Regex("^[A-Z][1-9][0-9]?$")); //create ss from designated file
string filenName = Path.GetFileName(filePath); //get name for window title
SpreadSheetApplicationContext.GetContext().RunNewFromFile(ss, filenName); //create new window from context
this.view.OpenNewFromFile(ss, filenName); //for testing ONLY
}
catch (Exception e) //if something goes wrong disp err msg
{
string openError = "Error opening file.\n" + e.Message;
System.Windows.Forms.MessageBox.Show(openError);
}
}
}
/// <summary>
/// Returns the one DemoApplicationContext.
/// </summary>
public static SpreadSheetApplicationContext GetContext()
{
if (context == null)
{
context = new SpreadSheetApplicationContext();
}
return(context);
}
static void Main(string[] args)
{
Application.EnableVisualStyles();
Application.SetCompatibleTextRenderingDefault(false);
// Get the application context and run one form inside it
var context = SpreadSheetApplicationContext
.GetContext();
SpreadSheetApplicationContext.GetContext().RunNew();
Application.Run(context);
}
/// <summary>
/// Hooks OpenNewSpreadsheet event
/// </summary>
private void HandleOpenNewSpreadsheet()
{
SpreadSheetApplicationContext.GetContext().RunNew(); //opens new form from context
}
