// Precondition: Item, Check Out menu item activated
// Postcondition: The Checkout dialog box is displayed. If data entered
// are OK, an item is checked out from the library by a patron
private void checkOutToolStripMenuItem_Click(object sender, EventArgs e)
{
List <LibraryItem> items; // List of library items
List <LibraryPatron> patrons; // List of patrons
items = _lib.GetItemsList();
patrons = _lib.GetPatronsList();
if (((items.Count - _lib.GetCheckedOutCount()) == 0) || (patrons.Count() == 0)) // Must have items and patrons
{
MessageBox.Show("Must have items and patrons to check out!", "Check Out Error");
}
else
{
CheckoutForm checkoutForm = new CheckoutForm(items, patrons); // The check out dialog box form
DialogResult result = checkoutForm.ShowDialog(); // Show form as dialog and store result
if (result == DialogResult.OK) // Only add if OK
{
_lib.CheckOut(checkoutForm.ItemIndex, checkoutForm.PatronIndex);
}
checkoutForm.Dispose(); // Good .NET practice - will get garbage collected anyway
}
}
//Preconditions: click report>checked out items
//Postconditions: goes through a loop and displays all items that are checked out
private void checkedOutItemsSubMenuItem_Click(object sender, EventArgs e) //REPORT - LIST CHECKED OUT
{
outputTextBox.Text = "";
outputTextBox.Text = "Count of checked out items: " + theLibrary.GetCheckedOutCount() + System.Environment.NewLine +
System.Environment.NewLine;
foreach (LibraryItem item in theLibrary._items)
{
if (item.IsCheckedOut())
{
outputTextBox.Text += item + System.Environment.NewLine + System.Environment.NewLine;
}
}
}
private void checkedOutItemsToolStripMenuItem_Click(object sender, EventArgs e)
{ //precondition: none
//postcondition: prints checked out items
StringBuilder start = new StringBuilder(); //to use stringbuilder
start.Append("count:" + item.GetCheckedOutCount().ToString() + Environment.NewLine);
mainTxt.Clear();//clear textbox prior
foreach (LibraryBook book in item._items)
{
if (book.IsCheckedOut())
{
start.Append(book.ToString() + Environment.NewLine);
mainTxt.Text = start.ToString();
}
}//show all checked out books
}
//Precondition: checkedOutItems menu item click
//Postcondition: display checkedOutItems
private void checkedOutItemsToolStripMenuItem_Click(object sender, EventArgs e)
{
reportRichTxtBox.Clear();
reportRichTxtBox.Text += "Number of Items Checked Out: " + LibraryData.GetCheckedOutCount() + Environment.NewLine;
foreach (LibraryItem i in LibraryData.GetItemsList())
{
if (i.IsCheckedOut()) // displays items if checked out
{
reportRichTxtBox.Text += Environment.NewLine + i + Environment.NewLine;
}
}
}
// Precondition: None
// Postcondition: Displays the list of items that have been checkedout from the library.
private void checkedOutListToolStripMenuItem_Click(object sender, EventArgs e)
{
outputTextBox.Clear();
string results = ""; //Placeholder
var checkedoutReport = new StringBuilder();
string NL = Environment.NewLine; // Adds new line
checkedoutReport.Append($"Checked Out Report :{_lib.GetCheckedOutCount()} items {NL}");
foreach (var item in _lib._items)
{
if (item.IsCheckedOut())
{
results += $"{item}{NL}{NL}";
}
}
outputTextBox.Text = $"{checkedoutReport}" +
$"{results}{NL}";
}
// Precondition: The checked out item list menu button is clicked.
// Postcondition: Checked out item list is displayed in form
//
private void checkedOutItemsToolStripMenuItem_Click(object sender, EventArgs e)
{
CheckedOutItemsForm checkedoutform = new CheckedOutItemsForm(); // Checked out form is created
//Checked out count is shown and spaced
checkedoutform.checkedOutTextBox.Text = AppendLine("Number of Checked Out Items: " + newLibrary.GetCheckedOutCount().ToString());
//Walking through the array to print out each item in the list that is checkedout
foreach (LibraryItem i in newLibrary.GetItemsList())
{
if (i.IsCheckedOut())
{
checkedoutform.checkedOutTextBox.Text += AppendLine((i.ToString()));
}
}
checkedoutform.ShowDialog(); // Checked out form is displayed
}