// Handles system-level BackRequested events and page-level events
private void NavViewControl_BackRequested(NavigationView sender, NavigationViewBackRequestedEventArgs args)
{
if (MasterFrame.CanGoBack)
{
MasterFrame.GoBack();
}
}
public MasterDetailPage()
{
this.InitializeComponent();
Current = this;
ViewModel.PropertyChanged += ViewModel_PropertyChanged;
MasterFrame.Navigate(typeof(ArticleView));
}
protected override async void OnNavigatedTo(NavigationEventArgs e)
{
base.OnNavigatedTo(e);
if (e.Parameter is Uri || e.Parameter == null ||
(e.Parameter is string && String.IsNullOrEmpty(e.Parameter as string)))
{
if (MasterFrame.CurrentSourcePageType != typeof(FeedView))
{
MasterFrame.Navigate(typeof(FeedView));
}
var feedUri = e.Parameter as Uri;
if (feedUri != null)
{
var feed = ViewModel.Feeds.FirstOrDefault(f => f.Link == feedUri);
ViewModel.CurrentFeed = feed;
await feed.RefreshAsync();
}
}
else
{
var viewType = e.Parameter as Type;
if (viewType != null && MasterFrame.CurrentSourcePageType != viewType)
{
MasterFrame.Navigate(viewType);
}
UpdateForVisualState(AdaptiveStates.CurrentState);
}
}
private void Page_Loaded(object sender, RoutedEventArgs e)
{
MasterFrame.Navigate(typeof(View.MasterView));
(MasterFrame.Content as View.MasterView).NavigatingToAccount += TimeLinePage_NavigatingToAccount;
DetailFrame.Navigate(typeof(View.StandByView));
Windows.UI.Core.SystemNavigationManager.GetForCurrentView().BackRequested += BackRequested;
DetailFrame.Navigated += DetailFrame_Navigated;
}
public MasterDetailPage()
{
this.InitializeComponent();
this.DataContext = ViewModel;
MasterFrame.Navigate(typeof(ConversationListPage));
ViewModel.PropertyChanged += ViewModel_PropertyChanged;
detailFrame = this.AdaptiveStates.CurrentState == NarrowState ? MasterFrame : DetailFrame;
}
protected override void OnNavigatedTo(NavigationEventArgs e)
{
string navItemTag = e.Parameter as string;
if (navItemTag == "home")
{
MasterFrame.Navigate(typeof(ArticleView));
}
}
/// <summary>
///
/// </summary>
/// <param name="e"></param>
protected override void OnNavigatedTo(NavigationEventArgs e)
{
base.OnNavigatedTo(e);
var viewType = e.Parameter as Type;
if (viewType != null && MasterFrame.CurrentSourcePageType != viewType)
{
MasterFrame.Navigate(viewType);
}
//UpdateForVisualState(AdaptiveStates.CurrentState);
}
private void View_BackRequested(object sender, BackRequestedEventArgs e)
{
if (DetailFrame.CanGoBack)
{
DetailFrame.GoBack();
e.Handled = true;
}
else if (MasterFrame.CanGoBack)
{
MasterFrame.GoBack();
e.Handled = true;
}
}
private bool NavigateToView(string clickedView)
{
var view = Assembly.GetExecutingAssembly()
.GetType($"NavigationView.Views.{clickedView}");
if (string.IsNullOrWhiteSpace(clickedView) || view == null)
{
return(false);
}
MasterFrame.Navigate(view, null, new EntranceNavigationTransitionInfo());
return(true);
}
protected override void OnNavigatedTo(NavigationEventArgs e)
{
base.OnNavigatedTo(e);
if (e.Parameter is Type)
{
var viewType = e.Parameter as Type;
MasterFrame.Navigate(viewType);
if (AdaptiveStates.CurrentState == DefaultState)
{
DetailFrame.Navigate(typeof(ConversationPage));
}
}
}
public void MasterFrameNavigate(Type type, object parameter = null)
{
ClearMasterFrameStack();
ClearDetailFrameStack();
ClearTertiaryFrameStack();
if (parameter == null)
{
MasterFrame.Navigate(type);
}
else
{
MasterFrame.Navigate(type, parameter);
}
LastFrame = MasterFrame;
MasterFrameDepth++;
//当主导航跳转时，显示左侧菜单，
UpdateBackButton();
UpdateFrame();
}
private void NavViewControl_ItemInvoked(NavigationView sender, NavigationViewItemInvokedEventArgs args)
{
var item = args.InvokedItemContainer as NavigationViewItem;
switch (item.Tag.ToString())
{
case "MyCalendar":
MasterFrame.Navigate(typeof(My_Calendar));
NavViewControl.Header = "My Calendar";
break;
case "MyLessons":
MasterFrame.Navigate(typeof(My_Lessons));
NavViewControl.Header = "My Lessons";
break;
case "MyEvents":
MasterFrame.Navigate(typeof(My_Events));
NavViewControl.Header = "My Events";
break;
case "MyReminders":
MasterFrame.Navigate(typeof(My_Reminders));
NavViewControl.Header = "My Reminders";
break;
}
if (item == null || item == navigationViewItem)
{
return;
}
var clickedView = item.Tag?.ToString() ?? "Settings";
if (!NavigateToView(clickedView))
{
return;
}
navigationViewItem = item;
}
public App_Root()
{
this.InitializeComponent();
Current = this;
MasterFrame.Navigate(typeof(My_Calendar));
NavViewControl.Header = "My Calendar";
CoreApplication.GetCurrentView().TitleBar.LayoutMetricsChanged += (s, e) => UpdateAppTitle(s);
void UpdateAppTitle(CoreApplicationViewTitleBar coreTitleBar)
{
var full = (ApplicationView.GetForCurrentView().IsFullScreenMode);
var left = 12 + (full ? 0 : coreTitleBar.SystemOverlayLeftInset);
AppTitle.Margin = new Thickness(left, 8, 0, 0);
AppTitleBar.Height = coreTitleBar.Height;
}
// Add keyboard accelerators for backwards navigation.
KeyboardAccelerator GoBack = new KeyboardAccelerator
{
Key = VirtualKey.GoBack
};
KeyboardAccelerator AltLeft = new KeyboardAccelerator
{
Key = VirtualKey.Left
};
this.KeyboardAccelerators.Add(GoBack);
this.KeyboardAccelerators.Add(AltLeft);
// ALT routes here
AltLeft.Modifiers = VirtualKeyModifiers.Menu;
_isKeyboardConnected = Convert.ToBoolean(new KeyboardCapabilities().KeyboardPresent);
}
protected override void OnNavigatedTo(NavigationEventArgs e)
{
DetailFrame.Navigate(typeof(DefaultPage));
MasterFrame.Navigate(typeof(MainPage));
}
protected override void OnNavigatedTo(NavigationEventArgs e)
{
MasterFrame.Navigate(typeof(GradeMasterPage));
DetailFrame.Navigate(typeof(GradeDetailPage));
}
protected override void OnNavigatedTo(NavigationEventArgs e)
{
MasterFrame.Navigate(typeof(CollectionPage));
DetailFrame.Navigate(typeof(GalleryPage));
}
protected override void OnNavigatedTo(NavigationEventArgs e)
{
base.OnNavigatedTo(e);
MasterFrame.Navigate(typeof(MasterPage));
DetailFrame.Navigate(typeof(NullPage));
}
