// Precondition: BookEdit, Edit menu item activated
// Postcondition: The BookEdit dialog box is displayed. If data entered
// are OK, file is opened
private void bookToolStripMenuItem1_Click(object sender, EventArgs e)
{
List <LibraryItem> items; //list of items
items = _lib.GetItemsList();
if (items.Count == 0) // Must have items in list
{
MessageBox.Show("Must have an item in the Library");
}
else
{
BookEdit bEditForm = new BookEdit(items); //dialogbox form book
DialogResult result = bEditForm.ShowDialog();
if (result == DialogResult.OK) //Only allows selection if ok
{
BookForm bookEditor = new BookForm();
LibraryBook item = (LibraryBook)items[bEditForm.BookIndex];
DialogResult edited = bookEditor.ShowDialog(); //Opens the BookForm to edit
if (edited == DialogResult.OK) //Only edits if ok
{
item.Title = bookEditor.ItemTitle;
item.Publisher = bookEditor.ItemPublisher;
item.CopyrightYear = int.Parse(bookEditor.ItemCopyrightYear);
item.LoanPeriod = int.Parse(bookEditor.ItemLoanPeriod);
item.CallNumber = bookEditor.ItemCallNumber;
}
bookEditor.Dispose();
}
}
}
private void bookToolStripMenuItem1_Click(object sender, EventArgs e)
{
List<LibraryItem> items = new List<LibraryItem>(); //list for all library items
List<LibraryItem> books = new List<LibraryItem>(); //list for library books
List<int> bookIndices; // List of index values of items checked out
items = lib.GetItemsList(); //get current list of library items
bookIndices = new List<int>(); //list for book indicies
for (int i = 0; i < items.Count(); i++) //loop to end of list
{
if (items[i] is LibraryBook) //if the item type is LibraryBook
{
books.Add(items[i]); //add book to list
bookIndices.Add(i); //add item index
}
}
BookEdit bookEditForm = new BookEdit(books); //form to choose the book to edit
DialogResult result = bookEditForm.ShowDialog(); //show form with selected book data
if (result == DialogResult.OK) //continue if OK
{
LibraryItem selectedItem = lib._items[bookIndices[bookEditForm.ItemIndex]]; //hold book selected to edit
LibraryBook selectedBook = selectedItem as LibraryBook; //cast item as library book
BookForm bform = new BookForm(); //new book form to load selected items to
bform.ItemTitle = selectedBook.Title; //add book title
bform.ItemPublisher = selectedBook.Publisher; //add publisher book
bform.ItemCopyrightYear = selectedBook.CopyrightYear.ToString(); //add sting of copyright year
bform.ItemLoanPeriod = selectedBook.LoanPeriod.ToString(); //add string of loan period
bform.ItemCallNumber = selectedBook.CallNumber; //add call number
bform.BookAuthor = selectedBook.Author; //add author
result = bform.ShowDialog(); //show form with the selected book's data
if (result == DialogResult.OK) //continue if OK
{
selectedBook.Title = bform.ItemTitle; //set new book title
selectedBook.Publisher = bform.ItemPublisher; //set new book publisher
selectedBook.CopyrightYear = int.Parse(bform.ItemCopyrightYear); //set new copyright year as int
selectedBook.LoanPeriod = int.Parse(bform.ItemLoanPeriod); //set new loan period as int
selectedBook.CallNumber = bform.ItemCallNumber; //set new call number
selectedBook.Author = bform.BookAuthor; //set new author
}
}
}
