/// <summary> /// Populates the page with content passed during navigation. Any saved state is also /// provided when recreating a page from a prior session. /// </summary> /// <param name="sender"> /// The source of the event; typically <see cref="Common.NavigationHelper"/> /// </param> /// <param name="e">Event data that provides both the navigation parameter passed to /// <see cref="Frame.Navigate(Type, Object)"/> when this page was initially requested and /// a dictionary of state preserved by this page during an earlier /// session. The state will be null the first time a page is visited.</param> private async void navigationHelper_LoadState(object sender, LoadStateEventArgs e) { //var group = await SampleDataSource.GetGroupAsync((String)e.NavigationParameter); //this.DefaultViewModel["Group"] = group; //this.DefaultViewModel["Items"] = group.Items; DataModel.ComicQueryManager comicQueryManager = new DataModel.ComicQueryManager(); DataModel.ComicQuery query = e.NavigationParameter as DataModel.ComicQuery; comicQueryManager.UpdateQueryResults(query); this.DefaultViewModel["Group"] = query; this.DefaultViewModel["Items"] = comicQueryManager.CurrentQueryResults; if (e.PageState == null) { this.itemListView.SelectedItem = null; // When this is a new page, select the first item automatically unless logical page // navigation is being used (see the logical page navigation #region below.) if (!this.UsingLogicalPageNavigation() && this.itemsViewSource.View != null) { this.itemsViewSource.View.MoveCurrentToFirst(); } } else { // Restore the previously saved state associated with this page if (e.PageState.ContainsKey("SelectedItem") && this.itemsViewSource.View != null) { var selectedItem = await SampleDataSource.GetItemAsync((String)e.PageState["SelectedItem"]); this.itemsViewSource.View.MoveCurrentTo(selectedItem); } } }
/// <summary> /// Invoked when an item is clicked. /// </summary> /// <param name="sender">The GridView (or ListView when the application is snapped) /// displaying the item clicked.</param> /// <param name="e">Event data that describes the item clicked.</param> void ItemView_ItemClick(object sender, ItemClickEventArgs e) { // Navigate to the appropriate destination page, configuring the new page // by passing required information as a navigation parameter //var groupId = ((SampleDataGroup)e.ClickedItem).UniqueId; //this.Frame.Navigate(typeof(SplitPage), groupId); DataModel.ComicQuery query = e.ClickedItem as DataModel.ComicQuery; if (query != null) { this.Frame.Navigate(typeof(SplitPage), query); } }
public void UpdateQueryResults(ComicQuery query) { Title = query.Title; switch (query.Title) { case "LINQ makes queries easy": LinqMakesQueryEasy(); break; case "Expensive comics": ExpensiveComics(); break; case "LINQ is versatile 1": LinqIsVersatile1(); break; case "LINQ is versatile 2": LinqIsVersatile2(); break; case "LINQ is versatile 3": LinqIsVersatile3(); break; case "Group comics by price range": GroupComicsByRange(); break; case "Join purchases with prices": JoinPurchasesWithPrices(); break; case "All comics in the collection": AllComics(); break; } }