示例#1
0
        /// <summary>
        /// This method is called when the Add lender button is pressed. A new
        /// object of the BookLenderForm is created, and a new form is opened.
        /// If input is valid, the book lender is added to the book lender list and
        /// the GUI is updated.
        /// </summary>
        /// <param name="sender"></param>
        /// <param name="e"></param>
        private void btn_AddLender_Click(object sender, EventArgs e)
        {
            // A new book lender form is created with a title as parameter
            BookLenderForm formLender = new BookLenderForm("Add Book Lender");

            // Is the Ok button pressed in the book lender form and is the input valid ?
            if ((formLender.ShowDialog() == DialogResult.OK) && formLender.ValidateInput())
            {
                // The book lender is added to the book lender list
                bookLenderManager.AddBookLender(formLender.MyBookLender);
                // The book lender list is sorted by book lender ID
                bookLenderManager.SortListByID();
                // Updates the GUI
                UpdateGUI();
            }
        }
示例#2
0
        /// <summary>
        /// The method is called when the View and edit button is pressed in the GUI.
        /// It gives the possiblity to edit the book lender information.
        /// A book lender in the list have to be selected. The GUI of the server class
        /// is opened and possible changes read. If the input data is valid, the possible
        /// changed lender data is saved at the same index in the book lender list. And the
        /// list is updated in the GUI.
        /// </summary>
        /// <param name="sender"></param>
        /// <param name="e"></param>
        private void btn_ViewAndEdit_Click(object sender, EventArgs e)
        {
            // Index of the selected book lender in the list in the GUI
            int selectedIndex = lbx_LenderDetails.SelectedIndex;

            // Is a book lender selected in the listbox ?
            if (selectedIndex >= 0)
            {
                // A new object of the BookLenderForm class is created with a title and saved book lender at selected index as parameters
                BookLenderForm savedFormLender = new BookLenderForm("View And Edit", bookLenderManager.GetBookLenderAtIndex(selectedIndex));

                // Is the OK button pressed and valid book lender input from the server class form ?
                if ((savedFormLender.ShowDialog() == DialogResult.OK) && savedFormLender.ValidateInput())
                {
                    // Changed book lender data is saved in book lender list at selected index
                    bookLenderManager.ChangeBookLender(selectedIndex, savedFormLender.MyBookLender);
                    // The book lender list is sorted by book lender ID
                    bookLenderManager.SortListByID();
                    // The GUI is updated
                    UpdateGUI();
                }
            }
        }