/// <summary>
/// The main program loop, we loop until the user decides to exit the
/// entire program or if an unrecoverable error would happen while the
/// user is interacting with the program in various states.
/// </summary>
/// <returns>
/// False, if the program should no longer continue running.
/// </returns>
public bool Loop()
{
// Initialize program to running.
bool running = true;
// Loop while the user has decided not to exit.
while (running)
{
// Make sure we have a text ui instance
if (tui != null)
{
// Clear the screen buffer on each pass.
tui.ClearBuffer();
// Make sure our function pointer is not null before running the function.
if (updateDelegates[(int)currentState] != null)
{
// Run the function and return whether we should continue running the program.
running = updateDelegates[(int)currentState]();
// Our header is based on our current state.
tui.Header = " | " + currentState.ToString().Replace('_', ' ') + " | ";
// Clear the footer (most recent message).
tui.Footer = "";
}
else
{
// We probably should run the program while we have null function pointers.
running = false;
}
}
else
{
// We can't run the program without a text ui instance.
running = false;
}
}
return(running);
}