private void EnsureType(IMethodInvocation input)
{
if (!typeof(T).IsCompatiableWith <IAutoNotify>())
{
throw InvalidTypeException.Create <T>();
}
}
public void SetChanged(object changedQuoteId)
{
if (!(changedQuoteId is int))
{
InvalidTypeException.CreateExpectedActualException(typeof(int), changedQuoteId?.GetType());
}
SetChangedQuote((int)changedQuoteId);
}
public static dynamic GetTSObject(InvalidTypeException dynObject)
{
if (dynObject is null)
{
return(null);
}
return(dynObject.teklaObject);
}
private NavigationPage GetMainPage()
{
var mainPage = Application.Current.MainPage as NavigationPage;
if (!(Application.Current.MainPage is NavigationPage))
{
throw InvalidTypeException.CreateExpectedActualException(typeof(NavigationPage), Application.Current.MainPage.GetType());
}
return(mainPage);
}
private async Task GoToQuoteAsync(object quote)
{
if (quote == null)
{
return;
}
if (!(quote is Quote))
{
throw InvalidTypeException.CreateExpectedActualException(typeof(Quote), quote?.GetType());
}
await navigationService.NavigateToAsync <QuoteView, QuoteViewModel>((quote as Quote).Id);
}
public Task RemoveCurrentFromBackStackAsync(object data)
{
var mainPage = GetMainPage();
var previousPage = mainPage.Navigation.NavigationStack[mainPage.Navigation.NavigationStack.Count - 2];
var previousPageViewModel = previousPage.BindingContext as IEditableItemViewModel;
if (previousPageViewModel == null)
{
throw InvalidTypeException.CreateExpectedActualException(typeof(IEditableItemViewModel), previousPageViewModel?.GetType());
}
previousPageViewModel.SetChanged(data);
return(mainPage.Navigation.PopAsync());
}
public static void getLists()
{
string currentCode = null;
// Display names of contestants based on the inputted code by looping through ContestantList and printing each contestants' ToString method
do
{
WriteLine("Enter a talent code: ");
currentCode = ReadLine();
if (currentCode == "M")
{
WriteLine("Contestants with talent Musical instrument are:");
foreach (Contestant oConst in ContestantList)
{
if (oConst.TalentCode == 'M')
{
WriteLine(oConst.ToString());
}
}
}
else if (currentCode == "S")
{
WriteLine("Contestants with talent Singing are:");
foreach (Contestant oConst in ContestantList)
{
if (oConst.TalentCode == 'S')
{
WriteLine(oConst.ToString());
}
}
}
else if (currentCode == "D")
{
WriteLine("Contestants with talent Dancing are:");
foreach (Contestant oConst in ContestantList)
{
if (oConst.TalentCode == 'D')
{
WriteLine(oConst.ToString());
}
}
}
else if (currentCode == "O")
{
WriteLine("Contestants with talent Other are:");
foreach (Contestant oConst in ContestantList)
{
if (oConst.TalentCode == 'O')
{
WriteLine(oConst.ToString());
}
}
}
else
{
//If the entry wasn't any S D O or M, and it isn't Z, throw an exception.
try
{
if (currentCode != "Z")
{
InvalidTypeException nbe = new InvalidTypeException(currentCode);
throw(nbe);
}
}
catch (InvalidTypeException e)
{
WriteLine(e.Message);
}
}
//If Z is entered, get out of loop and end the program
}while(!(currentCode == "Z"));
}
