// precondition: all textboxes must have correct data type entered
private void button1_Click(object sender, EventArgs e)
{
LibraryBook myBook = new LibraryBook();
{
GetBookInfo(myBook);
bookList.Add(myBook);
bookListBox.Items.Add(myBook.Title);
titleTextBox.Clear();
authorTextBox.Clear();
publisherTextBox.Clear();
copyrightTextBox.Clear();
callNumberTextBox.Clear();
titleTextBox.Focus(); // postcondition: new item in listbox and all textboxes are empty
}
}
List <LibraryBook> books = new List <LibraryBook>(); //list to keep track of books
private void addBookBtn_Click(object sender, EventArgs e) //click button
{ //Precondition: all text boxes must be filled
//postcondition: adds item to list box
int currentListboxIndex = titlesListBox.SelectedIndex;
string t = titleTxt.Text;
string a = authorTxt.Text;
string p = publishTxt.Text;
string cN = callNumTxt.Text;
int cRy;//variables to hold values from text boxes
if (int.TryParse(cpYTxt.Text, out cRy))
{
; //parse
}
else
{
MessageBox.Show("Enter a year above 0!"); //error msg
}
newBook._title = t; //changing variables from other class to match text boxes
newBook._author = a;
newBook._publisher = p;
newBook._callNumber = cN;
newBook._copyRightYear = cRy;
int bookcount = books.Count();
if (bookcount >= 0)
{
LibraryBook newBook = new LibraryBook(t, a, p, cN, cRy);
books.Add(newBook);
titlesListBox.Items.Add("Title: " + newBook._title);
}
else
{
MessageBox.Show("0 books!");
}
}
//Precondition: title!="",author!="",publisher!="",copyright>0,callnumber!=""
//Postcondition: if the above conditions are meet, a new library book object is created.
//then it is added to the list box with the title added to display the title in the list.
//if the criteria was not meet, an error message displayed. The textboxes were then cleared.
private void addBttn_Click(object sender, EventArgs e)
{
int copyright;
if (titleTxt.Text != "" && authorTxt.Text != "" && publisherTxt.Text != "" && int.TryParse(copyrightTxt.Text, out copyright) &&
callnumTxt.Text != "")
{
LibraryBook book = new LibraryBook(titleTxt.Text, authorTxt.Text, publisherTxt.Text, copyright, callnumTxt.Text);
Books.Add(book);
BookList.Items.Add(titleTxt.Text);
}
else
{
MessageBox.Show("Invalid input");
}
titleTxt.Clear();
authorTxt.Clear();
publisherTxt.Clear();
copyrightTxt.Clear();
callnumTxt.Clear();
}
static void Main(string[] args)
{
// Creates 5 new objects of librarybook class
LibraryBook book_1 = new LibraryBook("Dune", "Frank Herbert", "Penguin Books", 1965, "00000");
LibraryBook book_2 = new LibraryBook("Dune Messiah", "Frank Herbert", "Penguin Books", 1969, "11111");
LibraryBook book_3 = new LibraryBook("Childern of Dune", "Frank Herbert", "Penguin Books", 1976, "22222");
LibraryBook book_4 = new LibraryBook("God Emperor of Dune", "Frank Herbert", "Penguin Books", 1981, "33333");
LibraryBook book_5 = new LibraryBook("Heretics of Dune", "Frank Herbert", "Penguin Books", 1984, "44444");
// Array that stores the objects
LibraryBook[] bookInventory = { book_1, book_2, book_3, book_4, book_5 };
//Printout of the inventory
WriteLine("Current Book Inventory and Status" + Environment.NewLine); // displays a message
PrintOut(bookInventory); // calls Printout method display current inventory and relevant information
//changing either the book's publisher or call number or check out the book
book_1.CheckOut();
book_2.CheckOut();
book_3.Publisher = "Hasan's Books";
book_4.CallNumber = "1234";
book_5.Publisher = "Mohammad's Books";
// Printout of the inventory
WriteLine("Updated Book Inventory and Status #1" + Environment.NewLine); // displays a message
PrintOut(bookInventory); // calls Printout method display current inventory and relevant information
//The books returning
book_1.ReturnToShelf();
book_2.ReturnToShelf();
//Printout of the inventory
WriteLine("Updated Book Inventory and Status #2" + Environment.NewLine); // displays a message
PrintOut(bookInventory); // calls Printout method display current inventory and relevant information
}
static void Main(string[] args)
{
// derived class objects
LibraryBook book1 =
new LibraryBook("To Kill a Mockingbird", "Harper Lee", "J. B. Lippincott & Co.", 1964, "BC");
LibraryBook book2 =
new LibraryBook("Where the Red Fern Grows", "Wilson Rawls", "Doubleday", 1961, "LC");
LibraryBook book3 =
new LibraryBook("The Alchemist", "Paulo Coelho", "HarperTorch", 1990, "PC");
LibraryBook book4 =
new LibraryBook("Candide", "Voltaire", "Cramer", 1820, "OC");
LibraryBook book5 =
new LibraryBook("The Stranger", "Albert Camus", "Camus", 1984, "HC");
//create array for 5 objects
LibraryBook[] books = new LibraryBook[5];
//initialize array with objects
books[0] = book1;
books[1] = book2;
books[2] = book3;
books[3] = book4;
books[4] = book5;
// ----------------------------------------------------------------------------------
//Dr. Wright I had trouble constructing a method for these tests.
//Instead I tried doing it without a method, because I had an overload error.
//My apologies for leaving the method out, I couldn't get it to run otherwise.
// ----------------------------------------------------------------------------------
WriteLine("Before: ");
WriteLine();
// for each loop to assign arrays to the ToString
foreach (LibraryBook currentBook in books)
{
Console.WriteLine(currentBook); //implicitly calls ToString method
} //end foreach
WriteLine("After: ");
WriteLine();
// data manipulation for 2nd test
book1.Publisher = "Grant";
book1.CheckOut(); //show that book is checked out
book2.Publisher = "John";
book3.Publisher = "Max";
book4.Publisher = "Bad";
book5.Publisher = "Tim";
book5.CheckOut(); //show that book is checked out
// for each loop to assign arrays to the ToString
foreach (LibraryBook currentBook in books)
{
Console.WriteLine(currentBook); //implicitly calls ToString method
} //end foreach
WriteLine("Books that are currently checked out: ");
WriteLine();
WriteLine();
WriteLine();
WriteLine(book1); //displays the books that are checked out
WriteLine(book5); // same as above
} //end main
private void GetBookInfo(LibraryBook book)
{
book._title = titleTextBox.Text; // precondition: must have text
book._author = authorTextBox.Text; // precondition: must have text
book.Publisher = publisherTextBox.Text; // precondition: must have text
book._copyright = int.Parse(copyrightTextBox.Text); // precondition: must have integer
book.CallNumber = callNumberTextBox.Text; // precondition: must have text
}
static void Main(string[] args)
{
//Creating objects
LibraryBook book1 =
new LibraryBook("How to Fish", "Fiz O Sea", "Fish Inc.", 2007, 52, true);
LibraryBook book2 =
new LibraryBook("Book of Names", "Doctor Lingual", "Dictionary Editors", 2012, 49, false);
LibraryBook book3 =
new LibraryBook("Monster Slayer", "Heroic Sam", "Monster Fighters", 2014, 61, false);
LibraryBook book4 =
new LibraryBook("How to Lose All Your Money", "Begger Jordan", "Soup Kitchen", 2015, 86, true);
LibraryBook book5 =
new LibraryBook("Survival Book", "Caveman Jim", "Brickhouse Inc.", 1993, 42, true);
//Creating array
LibraryBook[] books = new LibraryBook[5];
books[0] = book1;
books[1] = book2;
books[2] = book3;
books[3] = book4;
books[4] = book5;
//Displaying List
void Original()
{
foreach (LibraryBook book in books)
{
Console.WriteLine(book);
Console.WriteLine();
}
}
//Displaying Altered List
void Altercation1()
{
book1.CheckOut();
book4.CheckOut();
foreach (LibraryBook book in books)
{
Console.WriteLine(book);
Console.WriteLine();
}
}
//Displaying Original-altered List
void Altercation2()
{
book1.ReturntoShelf();
book1.ReturntoShelf();
foreach (LibraryBook book in books)
{
Console.WriteLine(book);
Console.WriteLine();
}
}
Console.WriteLine("Original");
Console.WriteLine();
Original();
Console.WriteLine();
Console.WriteLine("First Altercation");
Console.WriteLine();
Altercation1();
Console.WriteLine();
Console.WriteLine("Second Altercation");
Console.WriteLine();
Altercation2();
Console.WriteLine();
}