private void ButtonDelete_Click(object sender, RoutedEventArgs e)
{
if (ButtonDelete.Content.ToString() == "Delete")
{
ButtonDelete.Content = "Confirm";
TextboxDescription.Background = Brushes.White;
TextboxCategoryId.Background = Brushes.White;
TextboxDescription.IsReadOnly = false;
TextboxCategoryId.IsReadOnly = false;
}
else
{
using (var db = new TasksDBEntities())
{
var taskToDelete = db.Tasks.Find(task.TaskID);
db.Tasks.Remove(taskToDelete);
db.SaveChanges();
ListBoxTasks.ItemsSource = null; // reset list box
tasks = db.Tasks.ToList(); // get fresh link
ListBoxTasks.ItemsSource = tasks; // re-link
}
ButtonDelete.Content = "Delete";
ButtonDelete.IsEnabled = false;
TextboxId.Text = " ";
TextboxDescription.Text = " ";
TextboxCategoryId.Text = " ";
}
}
void Initialise()
{
using (var db = new TasksDBEntities())
{
tasks = db.Tasks.ToList();
categories = db.Categories.ToList();
}
ListBoxTasks.ItemsSource = tasks;
ListBoxTasks.DisplayMemberPath = "Description";
ComboBoxCategory.ItemsSource = categories;
ComboBoxCategory.DisplayMemberPath = "CategoryName";
}
private void ButtonEdit_Click(object sender, RoutedEventArgs e)
{
if (ButtonEdit.Content.ToString() == "Edit")
{
TextboxId.IsReadOnly = true;
TextboxDescription.IsReadOnly = false;
TextboxCategoryId.IsReadOnly = false;
ButtonEdit.IsEnabled = true;
ButtonEdit.Content = "Save";
var brush = new BrushConverter();
TextboxDescription.Background = (Brush)brush.ConvertFrom("#0A84FF");
}
else
{
using (var db = new TasksDBEntities())
{
//update description and category id
var taskToEdit = db.Tasks.Find(task.TaskID);
taskToEdit.Description = TextboxDescription.Text;
//convert category id to integer from textbox
//try parse safe way to do converstion, null if fails
int.TryParse(TextboxCategoryId.Text, out int categoryId);
taskToEdit.CategoryID = categoryId;
//update record in database
db.SaveChanges();
//update list box
ListBoxTasks.ItemsSource = null; //reset listbox
tasks = db.Tasks.ToList(); //
ListBoxTasks.ItemsSource = tasks;
}
TextboxId.IsReadOnly = true;
TextboxDescription.IsReadOnly = true;
TextboxCategoryId.IsReadOnly = true;
ButtonEdit.Content = "Edit";
ButtonEdit.IsEnabled = false;
var brush = new BrushConverter();
TextboxDescription.Background = (Brush)brush.ConvertFrom("#0A84FF");
}
}
private void ButtonAdd_Click(object sender, RoutedEventArgs e)
{
if (ButtonAdd.Content.ToString() == "Add")
{
ButtonAdd.IsEnabled = true;
ButtonAdd.Content = "Confirm";
// set boxes to editable
TextboxDescription.Background = Brushes.Blue;
TextboxCategoryId.Background = Brushes.Blue;
TextboxDescription.IsReadOnly = false;
TextboxCategoryId.IsReadOnly = false;
//clear out boxes
TextboxId.Text = "";
TextboxDescription.Text = "";
TextboxCategoryId.Text = "";
}
else
{
ButtonAdd.Content = "Add";
TextboxDescription.IsReadOnly = true;
TextboxCategoryId.IsReadOnly = true;
var brush = new BrushConverter();
TextboxDescription.Background = (Brush)brush.ConvertFrom("#0A84FF");
int.TryParse(TextboxCategoryId.Text, out int categoryId);
var taskToAdd = new Task()
{
Description = TextboxDescription.Text,
CategoryID = categoryId
};
using (var db = new TasksDBEntities())
{
db.Tasks.Add(taskToAdd);
}
}
}
