private RemovePrompt GetRemovePromptOption()
{
RemovePrompt menuOption = RemovePrompt.Invalid;
int option = (int)Char.GetNumericValue(Console.ReadKey(true).KeyChar);
if (option != -1)
{
if (Enum.IsDefined(typeof(RemovePrompt), option))
{
menuOption = (RemovePrompt)option;
}
}
return(menuOption);
}
private void SearchPage()
{
List <Employee> results = GetSearchResults();
int numResults = results.Count;
int page = 1;
int boxIndex = 1;
//
// Display search page menu
//
Clear();
DisplaySearchMenu();
//
// Display search results
//
DisplayResults(results, page);
WriteSeperator();
if (results.Count > 0)
{
DrawBox(boxIndex);
}
bool done = false;
SearchMenu option = SearchMenu.Invalid;
while (!done)
{
option = GetSearchMenuOption();
switch (option)
{
case SearchMenu.AddParameter:
done = true;
SearchParameterPage();
break;
case SearchMenu.Edit:
if (results.Count > 0)
{
done = true;
InfoPage(results[boxIndex * page - 1], false);
}
break;
case SearchMenu.Remove:
if (results.Count > 0)
{
done = true;
Clear();
DisplayConfirmPrompt();
RemovePrompt removeOption = RemovePrompt.Invalid;
while (removeOption == RemovePrompt.Invalid && removeOption != RemovePrompt.No)
{
removeOption = GetRemovePromptOption();
switch (removeOption)
{
case RemovePrompt.Yes:
database.Remove(results[boxIndex * page - 1]);
break;
}
}
SearchPage();
}
break;
case SearchMenu.Down:
if (results.Count > 0)
{
int potentialBoxIndex = (boxIndex < 4) ? boxIndex + 1 : 1;
if (potentialBoxIndex + (4 * (page - 1)) <= numResults)
{
EraseBox(boxIndex);
boxIndex = potentialBoxIndex;
if (boxIndex == 1)
{
page++;
ClearResults();
DisplayResults(results, page);
}
DrawBox(boxIndex);
}
}
break;
case SearchMenu.Up:
if (results.Count > 0)
{
if (boxIndex > 1)
{
EraseBox(boxIndex);
boxIndex--;
DrawBox(boxIndex);
}
else if (page > 1)
{
EraseBox(boxIndex);
boxIndex = 4;
page--;
ClearResults();
DisplayResults(results, page);
DrawBox(boxIndex);
}
}
break;
case SearchMenu.Back:
done = true;
HomePage();
break;
}
}
}
