//搜索框文本改变时，改变显示的建议
private void AutoSuggestBox_TextChanged(AutoSuggestBox sender, AutoSuggestBoxTextChangedEventArgs args)
{
suggestions.Clear();
ObservableCollection <string[]> books = BookDB.findBookFromStore(sender.Text);
foreach (string[] book in books)
{
string title = (string)book[0];
string catalog = (string)book[1];
string tags = (string)book[2];
string info = (string)book[3];
string image = (string)book[4];
string bookId = (string)book[5];
string author = (string)book[6];
string compatibeMen = (string)book[7];
string nowChac = (string)book[8];
BookInStore item = new BookInStore(title, catalog, tags, info, image,
bookId, author, compatibeMen, nowChac);
suggestions.Add(item);
}
if (args.Reason == AutoSuggestionBoxTextChangeReason.UserInput)
{
sender.ItemsSource = suggestions;
}
}
public void Remove(BookInStore entity)
{
if (entity != null)
{
_context.BooksInStore.Remove(entity);
_context.SaveChanges();
}
}
public void Insert(BookInStore entity)
{
if (entity != null)
{
_context.BooksInStore.Add(entity);
_context.SaveChanges();
}
}
public void Update(BookInStore entity)
{
if (entity != null)
{
var oldValue = _context.BooksInStore.FirstOrDefault(x => x.Id == entity.Id);
if (oldValue != null)
{
oldValue = entity;
_context.SaveChanges();
}
}
}
//点击书籍，跳转到阅读页面
private async void read_Click(object sender, ItemClickEventArgs e)
{
BookInStore selectedItem = (BookInStore)e.ClickedItem;
string bookId = selectedItem.BookId;
string nowChapter = selectedItem.NowChac;
progressBar.Visibility = Visibility.Visible;
progressBar.IsIndeterminate = true;
string content = await BookService.GetChapterContent(bookId, nowChapter);
progressBar.Visibility = Visibility.Collapsed;
progressBar.IsIndeterminate = false;
string type = "1";
string[] parameter = { type, bookId, nowChapter, content };
this.Frame.Navigate(typeof(ReadPage), parameter);
}
//搜索时切换ViewModel内容
public void ChangeViewModel(string input)
{
storeItems.Clear();
ObservableCollection <string[]> books = BookDB.findBookFromStore(input);
foreach (string[] book in books)
{
string title = (string)book[0];
string catalog = (string)book[1];
string tags = (string)book[2];
string info = (string)book[3];
string image = (string)book[4];
string bookId = (string)book[5];
string author = (string)book[6];
string compatibeMen = (string)book[7];
string nowChac = (string)book[8];
BookInStore item = new BookInStore(title, catalog, tags, info, image,
bookId, author, compatibeMen, nowChac);
storeItems.Add(item);
}
}
