void Initialise()
{
//using -> has automatic cleanup (c# doesnt know when we're done so this helps it understand and clean all memory)
using (var db = new RabbitDbEntities())
{
rabbits = db.Rabbits.ToList();
}
//=== MANUAL METHOD ===
//fancy 'lambda' - loops rabbits
// - each loop(for each rabbit) adds an item(adds the rabbit) to the listbox
//rabbits.ForEach(rabbit => ListBoxRabbits.Items.Add(rabbit));
//=== BINDING METHOD ===
//better way to bind the list and database
ListBoxRabbits.ItemsSource = rabbits;
TextBoxAge.IsReadOnly = true;
TextBoxName.IsReadOnly = true;
ButtonEdit.IsEnabled = false;
ButtonDelete.IsEnabled = false;
ButtonCancel.IsEnabled = false;
ListBoxRabbits.Focus();
}
private void deleteConfirmation()
{
//=== DELETE RECORD ===
//- Find record in database which matches selected rabbit
if (rabbit != null)
{
using (var db = new RabbitDbEntities())
{
var rabbitToDelete = db.Rabbits.Find(rabbit.RabbitId);
db.Rabbits.Remove(rabbitToDelete);
db.SaveChanges();
//- Repopulate the listbox (re-read from the database)
rabbits = db.Rabbits.ToList(); //gets rabbits
ListBoxRabbits.ItemsSource = rabbits; //binds to listbox
}
}
ButtonDelete.Content = "Delete";
ButtonDelete.IsEnabled = false;
ButtonCancel.IsEnabled = false;
ButtonAdd.IsEnabled = true;
ListBoxRabbits.IsEnabled = true;
TextBoxName.Text = "";
TextBoxAge.Text = "";
ListBoxRabbits.Focus();
}
private void KeyboardShortcuts(object sender, KeyEventArgs e)
{
if (Keyboard.IsKeyDown(Key.A) && Keyboard.IsKeyDown(Key.LeftShift))
{
ButtonAdd_Click(sender, e);
}
if (Keyboard.IsKeyDown(Key.Delete) && ButtonDelete.IsEnabled)
{
ButtonDelete_Click(sender, e);
}
if (Keyboard.IsKeyDown(Key.Delete) && Keyboard.IsKeyDown(Key.LeftCtrl) && ButtonDeleteAll.IsEnabled)
{
ButtonDeleteAll_Click(sender, e);
}
//if (Keyboard.IsKeyDown(Key.LeftCtrl) && Keyboard.IsKeyDown(Key.E) && ButtonEdit.IsEnabled) { ButtonEdit_Click(sender, e); }
//if (Keyboard.IsKeyDown(Key.LeftCtrl) && Keyboard.IsKeyDown(Key.Back))
//{
// ButtonCancel_Click(sender, e);
//}
if (Keyboard.IsKeyDown(Key.Enter))
{
if (ButtonAdd.Content.Equals("Save"))
{
if (TextBoxName.Text.Length > 0 && TextBoxAge.Text.Length == 0)
{
TextBoxAge.Focus();
}
else
{
saveAdditions();
ButtonEdit.IsEnabled = false;
ButtonCancel.IsEnabled = false;
ButtonDelete.IsEnabled = false;
ListBoxRabbits.Focus();
}
}
if (ButtonDelete.IsEnabled && ButtonDelete.Content.Equals("Confirm Delete"))
{
deleteConfirmation();
ButtonAdd.IsEnabled = true;
}
if (ButtonDeleteAll.IsEnabled && ButtonDeleteAll.Content.Equals("Confirm Delete"))
{
DeleteAllConfirmation();
}
}
}
