//Adding PageElements to ProductOverviewPage object, clears pageElementList each time as this method gets called with each menu update,
//since a change in the database might have occurred
static void ProductListDefine()
{
ProductOverviewPage.pageElementList.Clear();
ProductOverviewPage.AddPageElement(0, 30, Convert.ToInt32(DatabaseInterface.CountItems()) + 15, 1, 1, "Product overview");
ProductOverviewPage.AddPageElement(4, 28, Convert.ToInt32(DatabaseInterface.CountItems()) + 3, 2, 4, "Product list");
ProductOverviewPage.AddPageElement(7, 28, 2, 2, Convert.ToInt32(DatabaseInterface.CountItems()) + 9, "Remove product - enter product number");
ProductOverviewPage.AddPageElement(5, 28, 1, 2, Convert.ToInt32(DatabaseInterface.CountItems()) + 14, "<Back");
}
//Method for controlling the individual function of each PageElement
public void PageElementFunction()
{
switch (function)
{
case 1:
//Text input field
//Clears current line
Console.WriteLine(new string(' ', lineWidth));
//Makes console cursor visible
Console.CursorVisible = true;
//Reads input
stringInputToDatabase = LimitCharacterAmount(20);
//Makes console cursor invisible
Console.CursorVisible = false;
//Goes back to menu
Page.Menu(Page.ProductRegistrationPage);
break;
case 2:
//Numeric input field
Console.WriteLine(new string(' ', lineWidth));
Console.SetCursorPosition(StartX + 1, StartY + 2);
Console.CursorVisible = true;
//Variables for parsing string to int
int parsed;
string str;
//do-while loop for tryparse until succes
do
{
Console.SetCursorPosition(StartX + 1, StartY + 2);
Console.WriteLine(new string(' ', lineWidth));
str = LimitCharacterAmount(7);
} while (int.TryParse(str, out parsed) == false);
//Saves parsed output
intInputToDatabase = parsed;
Console.CursorVisible = false;
Page.Menu(Page.ProductRegistrationPage);
break;
case 3:
//Go to ProductRegistrationPage
Console.Clear();
Page.Menu(Page.ProductRegistrationPage);
break;
case 4:
//Go to ProductOverviewPage
Console.CursorVisible = false;
Console.Clear();
Console.SetCursorPosition(StartX + 1, StartY + 3);
Page.PrintAllProducts();
Page.Menu(Page.ProductOverviewPage);
break;
case 5:
//Go to MenuPage
Console.Clear();
Page.Menu(Page.MenuPage);
break;
case 6:
//Exit application
Environment.Exit(0);
break;
case 7:
//Delete product from product number
//Product number input
Console.CursorVisible = true;
string productNo = LimitCharacterAmount(20);
Console.CursorVisible = false;
Console.SetCursorPosition(StartX - 1, StartY + 9);
//Removes specified product from database if possible
Item product = new Item(productNo);
product.RemoveFromDB();
if (productRemoved)
{
//Updates page if a product was cleared from the database
Console.Clear();
Console.SetCursorPosition(StartX + 1, StartY - 3 - Convert.ToInt32(DatabaseInterface.CountItems()));
Page.PrintAllProducts();
}
else
{
//Clears product numberinput line
Console.SetCursorPosition(StartX + 1, StartY + 2);
Console.WriteLine(new string(' ', lineWidth));
}
Page.Menu(Page.ProductOverviewPage);
break;
case 8:
//Registers new product if inputs are not empty
if (!string.IsNullOrEmpty(Page.ProductRegistrationPage.pageElementList[2].stringInputToDatabase) &&
!string.IsNullOrEmpty(Page.ProductRegistrationPage.pageElementList[1].stringInputToDatabase) &&
!string.IsNullOrEmpty(Page.ProductRegistrationPage.pageElementList[4].stringInputToDatabase))
{
new Item(Page.ProductRegistrationPage.pageElementList[2].stringInputToDatabase,
Page.ProductRegistrationPage.pageElementList[1].stringInputToDatabase,
Page.ProductRegistrationPage.pageElementList[3].intInputToDatabase,
Page.ProductRegistrationPage.pageElementList[4].stringInputToDatabase);
}
//Clears product value input lines
for (int i = 1; i < 5; i++)
{
Console.SetCursorPosition(Page.ProductRegistrationPage.pageElementList[i].StartX + 1, Page.ProductRegistrationPage.pageElementList[i].StartY + 2);
Console.WriteLine(new string(' ', lineWidth));
}
Page.Menu(Page.ProductRegistrationPage);
break;
}
}