private void Delete_Click(object sender, RoutedEventArgs e)
{
int numOfItems = DataGrid.SelectedItems.Count;
for (int i = 0; i < numOfItems; i++)
{
Book book = DataGrid.SelectedItems[i] as Book;
DGItemsSource.Remove(book);
}
if (filterOn == true)
{
var Tempyear = year.SelectedValue;
CSVSave(PathToFile);
DGItemsSource.Clear();
YearCombo.Clear();
CSVLoad(PathToFile);
year.SelectedValue = Tempyear;
FilterTheBooks();
DataGrid.Items.SortDescriptions.Add(new SortDescription("Year", ListSortDirection.Descending));
}
else
{
CSVSave(PathToFile);
DGItemsSource.Clear();
YearCombo.Clear();
CSVLoad(PathToFile);
FilterTheBooks();
DataGrid.Items.SortDescriptions.Add(new SortDescription("Year", ListSortDirection.Descending));
}
}
private void Add_Click(object sender, RoutedEventArgs e)
{
DialogWindow AddWindow = new DialogWindow();
bool?result = AddWindow.ShowDialog();
if (result.HasValue && result.Value == true)
{
Book NewBook = AddWindow.ObjectBook;
AddBook(NewBook.Author, NewBook.Title, NewBook.Year);
YearCombo.Add(NewBook.Year);
if (filterOn == true)
{
var Tempyear = year.SelectedValue;
CSVSave(PathToFile);
DGItemsSource.Clear();
YearCombo.Clear();
CSVLoad(PathToFile);
year.SelectedValue = Tempyear;
FilterTheBooks();
DataGrid.Items.SortDescriptions.Add(new SortDescription("Year", ListSortDirection.Descending));
}
else
{
CSVSave(PathToFile);
DGItemsSource.Clear();
YearCombo.Clear();
CSVLoad(PathToFile);
FilterTheBooks();
DataGrid.Items.SortDescriptions.Add(new SortDescription("Year", ListSortDirection.Descending));
}
}
}
private void Edit_Click(object sender, RoutedEventArgs e)
{
if (DataGrid.SelectedItem != null)
{
DialogWindow EditWindow = new DialogWindow();
Book EditedBook = (Book)DataGrid.SelectedItem;
EditWindow.Accept.Content = "Save";
EditWindow.Title = "Edit selected book";
EditWindow.AuthorData.Text = EditedBook.Author;
EditWindow.TitleData.Text = EditedBook.Title;
EditWindow.ComboYear.Text = EditedBook.Year.ToString();
bool?result = EditWindow.ShowDialog();
if (result.HasValue && result.Value == true)
{
for (int i = 0; i < DGItemsSource.Count; i++)
{
if (DGItemsSource[i].ID == EditedBook.ID)
{
DGItemsSource[i] = EditWindow.ObjectBook;
}
}
if (filterOn == true)
{
var Tempyear = year.SelectedValue;
CSVSave(PathToFile);
DGItemsSource.Clear();
YearCombo.Clear();
CSVLoad(PathToFile);
year.SelectedValue = Tempyear;
FilterTheBooks();
DataGrid.Items.SortDescriptions.Add(new SortDescription("Year", ListSortDirection.Descending));
}
else
{
CSVSave(PathToFile);
DGItemsSource.Clear();
YearCombo.Clear();
CSVLoad(PathToFile);
FilterTheBooks();
DataGrid.Items.SortDescriptions.Add(new SortDescription("Year", ListSortDirection.Descending));
}
}
}
}
private void CSVLoad(string path)
{
using (var ReadStream = new StreamReader(path))
{
while (!ReadStream.EndOfStream)
{
var Split = ReadStream.ReadLine().Split(';');
var NewBook = new Book()
{
ID = DGItemsSource.Count,
Author = Split[0],
Title = Split[1],
Year = int.Parse(Split[2])
};
DGItemsSource.Add(NewBook);
YearCombo.Add(int.Parse(Split[2]));
}
ReadStream.Close();
}
YearCombo = new ObservableCollection <int>(YearCombo.Distinct());
}
public void AddBook(string Author, string Title, int Year)
{
DGItemsSource.Add(new Book {
ID = 0, Author = Author, Title = Title, Year = Year
});
}
