/// <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="navigationParameter">The parameter value passed to
/// <see cref="Frame.Navigate(Type, Object)"/> when this page was initially requested.
/// </param>
/// <param name="pageState">A dictionary of state preserved by this page during an earlier
/// session. This will be null the first time a page is visited.</param>
protected async override void LoadState(Object navigationParameter, Dictionary <String, Object> pageState)
{
var queryText = navigationParameter as String;
this.DefaultViewModel["QuoteDataSource"] = ThinkDataSource.Instance;
this.DefaultViewModel["BackgroundColor"] = App.Current.RequestedTheme == ApplicationTheme.Light ? App.Current.Resources["LightBackground"] as string : App.Current.Resources["DarkBackground"] as string;
// TODO: Application-specific searching logic. The search process is responsible for
// creating a list of user-selectable result categories:
//
// filterList.Add(new Filter("<filter name>", <result count>));
//
// Only the first filter, typically "All", should pass true as a third argument in
// order to start in an active state. Results for the active filter are provided
// in Filter_SelectionChanged below.
var filterList = new List <Filter>();
filterList.Add(new Filter(loader.GetString("SearchAllFilter"), 0, true));
// Search recipes and tabulate results
string query = queryText.ToLower();
var all = new List <QuoteItem>();
_results.Add(loader.GetString("SearchAllFilter"), all);
while (ThinkDataSource.GetStatusLoad() == 0)
{
await Task.Delay(20);
}
foreach (var group in ThinkDataSource.GetGroups("AllGroups"))
{
var items = new List <QuoteItem>();
_results.Add(group.Title, items);
foreach (var item in group.Items)
{
if (item.Autor.ToLower().Contains(query) || item.Quote.ToLower().Contains(query))
{
all.Add(item);
items.Add(item);
}
}
filterList.Add(new Filter(group.Title, items.Count, false));
}
filterList[0].Count = all.Count;
// Communicate results through the view model
this.DefaultViewModel["QueryText"] = '\u201c' + queryText + '\u201d';
this.DefaultViewModel["CanGoBack"] = this._previousContent != null;
this.DefaultViewModel["Filters"] = filterList;
this.DefaultViewModel["ShowFilters"] = filterList.Count > 1;
}
public async void LoadingAsync()
{
progressRing.IsActive = true;
while (ThinkDataSource.GetStatusLoad() == ThinkDataSource.Loading)
{
await Task.Delay(100);
}
progressRing.IsActive = false;
if (ThinkDataSource.Instance.AllGroups.Count == 0)
{
VisualStateManager.GoToState(this, "AllHaveNoItems", true);
}
else
{
VisualStateManager.GoToState(this, "AllHaveItems", true);
}
if (ThinkDataSource.GetStatusLoad() == ThinkDataSource.InternetError)
{
VisualStateManager.GoToState(this, "InternetError", true);
}
else if (ThinkDataSource.GetStatusLoad() == ThinkDataSource.XMLCorruptedError)
{
VisualStateManager.GoToState(this, "CorruptedXMLError", true);
}
else
{
VisualStateManager.GoToState(this, "NoError", true);
}
while (groupedItemsViewSource.View == null)
{
await Task.Delay(100);
}
(zoomItemLandscape.ZoomedOutView as ListViewBase).ItemsSource = groupedItemsViewSource.View.CollectionGroups;
(zoomItemPortrait.ZoomedOutView as ListViewBase).ItemsSource = groupedItemsViewSource.View.CollectionGroups;
}