void OnSearchBoxTextChanged(Windows.UI.Xaml.Controls.AutoSuggestBox sender, Windows.UI.Xaml.Controls.AutoSuggestBoxTextChangedEventArgs args)
{
if (args.Reason != Windows.UI.Xaml.Controls.AutoSuggestionBoxTextChangeReason.ProgrammaticChange)
{
_currentSearchHandler.Query = sender.Text;
}
}
public ShellSectionRenderer()
{
Xamarin.Forms.Shell.VerifyShellUWPFlagEnabled(nameof(ShellSectionRenderer));
MenuItemTemplate = (Windows.UI.Xaml.DataTemplate)Windows.UI.Xaml.Application.Current.Resources["ShellSectionMenuItemTemplate"];
IsBackButtonVisible = Microsoft.UI.Xaml.Controls.NavigationViewBackButtonVisible.Collapsed;
IsSettingsVisible = false;
AlwaysShowHeader = false;
PaneDisplayMode = Microsoft.UI.Xaml.Controls.NavigationViewPaneDisplayMode.Top;
ItemInvoked += OnMenuItemInvoked;
AutoSuggestBox = new Windows.UI.Xaml.Controls.AutoSuggestBox()
{
Width = 300
};
AutoSuggestBox.TextChanged += OnSearchBoxTextChanged;
AutoSuggestBox.QuerySubmitted += OnSearchBoxQuerySubmitted;
AutoSuggestBox.SuggestionChosen += OnSearchBoxSuggestionChosen;
Frame = new Windows.UI.Xaml.Controls.Frame();
Content = Frame;
this.SizeChanged += OnShellSectionRendererSizeChanged;
Resources["NavigationViewTopPaneBackground"] = new Windows.UI.Xaml.Media.SolidColorBrush(ShellRenderer.DefaultBackgroundColor);
Resources["TopNavigationViewItemForeground"] = new Windows.UI.Xaml.Media.SolidColorBrush(ShellRenderer.DefaultForegroundColor);
Resources["TopNavigationViewItemForegroundSelected"] = new Windows.UI.Xaml.Media.SolidColorBrush(ShellRenderer.DefaultForegroundColor);
Resources["NavigationViewSelectionIndicatorForeground"] = new Windows.UI.Xaml.Media.SolidColorBrush(ShellRenderer.DefaultForegroundColor);
}
private void MyNavView_ChildChanged(object sender, EventArgs e)
{
if (MyAutoBox.Child is XamlIslands.AutoSuggestBox autoSuggestBox)
{
_autoSuggestBox = autoSuggestBox;
_autoSuggestBox.TextChanged += _autoSuggestBox_TextChanged;
_autoSuggestBox.QuerySubmitted += _autoSuggestBox_QuerySubmitted;
_autoSuggestBox.SuggestionChosen += _autoSuggestBox_SuggestionChosen;
_autoSuggestBox.PlaceholderText = "Search";
}
}
void OnSearchBoxQuerySubmitted(Windows.UI.Xaml.Controls.AutoSuggestBox sender, Windows.UI.Xaml.Controls.AutoSuggestBoxQuerySubmittedEventArgs args)
{
((ISearchHandlerController)_currentSearchHandler).QueryConfirmed();
}
void OnSearchBoxSuggestionChosen(Windows.UI.Xaml.Controls.AutoSuggestBox sender, Windows.UI.Xaml.Controls.AutoSuggestBoxSuggestionChosenEventArgs args)
{
((ISearchHandlerController)_currentSearchHandler).ItemSelected(args.SelectedItem);
}
private void _autoSuggestBox_TextChanged(XamlIslands.AutoSuggestBox sender, XamlIslands.AutoSuggestBoxTextChangedEventArgs args)
{
_autoSuggestBox.ItemsSource = _fruitNames.Where(p => p.StartsWith(_autoSuggestBox.Text, StringComparison.OrdinalIgnoreCase)).ToArray();
}
private void _autoSuggestBox_QuerySubmitted(XamlIslands.AutoSuggestBox sender, XamlIslands.AutoSuggestBoxQuerySubmittedEventArgs args)
{
_autoSuggestBox.Text = args.ChosenSuggestion != null?args.ChosenSuggestion.ToString() : sender.Text;
}
private void _autoSuggestBox_SuggestionChosen(XamlIslands.AutoSuggestBox sender, XamlIslands.AutoSuggestBoxSuggestionChosenEventArgs args)
{
_autoSuggestBox.Text = "AutoSuggestBox";
}