private void OnNavigateBack(NavigationView sender, NavigationViewBackRequestedEventArgs args)
{
if (Common.BaseFrame.CanGoBack)
{
Common.BaseFrame.GoBack();
}
}
/// <summary>
/// Initializes a new instance of the <see cref="RootNavigationHelper"/> class.
/// </summary>
/// <param name="rootFrame">A reference to the top-level frame.
/// This reference allows for frame manipulation and to register navigation handlers.</param>
public RootFrameNavigationHelper(Frame rootFrame, Windows.UI.Xaml.Controls.NavigationView currentNavView)
{
this.Frame = rootFrame;
this.Frame.Navigated += (s, e) =>
{
// Update the Back button whenever a navigation occurs.
UpdateBackButton();
//当导航发生时自动更新导航控件左侧所选项目
UpdateNavigationViewSelectedItem(e.NavigationMode);
};
this.CurrentNavView = currentNavView;
this.GoBackViewItemStack = new Stack <object>();
this.GoForwardViewItemStack = new Stack <object>();
// Handle keyboard and mouse navigation requests
this.systemNavigationManager = SystemNavigationManager.GetForCurrentView();
systemNavigationManager.BackRequested += SystemNavigationManager_BackRequested;
// must register back requested on navview
if (ApiInformation.IsApiContractPresent("Windows.Foundation.UniversalApiContract", 6))
{
CurrentNavView.BackRequested += NavView_BackRequested;
}
// Listen to the window directly so we will respond to hotkeys regardless
// of which element has focus.
Window.Current.CoreWindow.Dispatcher.AcceleratorKeyActivated +=
CoreDispatcher_AcceleratorKeyActivated;
Window.Current.CoreWindow.PointerPressed +=
this.CoreWindow_PointerPressed;
}
private void NavView_SelectionChanged(
Windows.UI.Xaml.Controls.NavigationView sender,
NavigationViewSelectionChangedEventArgs args)
{
if (args.IsSettingsSelected)
{
MyFrame.Navigate(typeof(SettingsPage));
}
else
{
NavigationViewItem item =
args.SelectedItem as NavigationViewItem;
switch (item.Tag)
{
case "loging":
MyFrame.Navigate(typeof(logingPage));
break;
case "games":
MyFrame.Navigate(typeof(gamePage));
break;
}
}
}
private async void NavMain_OnSelectionChanged(NavigationView sender, NavigationViewSelectionChangedEventArgs args)
{
NavigationViewItem nowitem = (NavigationViewItem)sender.SelectedItem;
if (nowitem.Tag.ToString() == "PageMe" && !Common.Logined)
{
await DialogLogin.ShowAsync();
return;
}
switch (nowitem.Tag.ToString())
{
case "PageMe":
Common.BaseFrame.Navigate(typeof(Pages.Me), null, new EntranceNavigationTransitionInfo());
break;
case "PageHome":
Common.BaseFrame.Navigate(typeof(Pages.Home), null, new EntranceNavigationTransitionInfo());
break;
case "PageSearch":
Common.BaseFrame.Navigate(typeof(Search), null, new EntranceNavigationTransitionInfo());
break;
case "PageSettings":
Common.BaseFrame.Navigate(typeof(Pages.Settings), null, new EntranceNavigationTransitionInfo());
break;
}
}
/// <summary>
/// Navigates the frame to the previous page.
/// </summary>
private void NavigationView_BackRequested(Windows.UI.Xaml.Controls.NavigationView sender, Windows.UI.Xaml.Controls.NavigationViewBackRequestedEventArgs args)
{
if (AppFrame.CanGoBack)
{
AppFrame.GoBack();
}
}
public void Initialize(Frame frame, WinUI.NavigationView navigationView, IList <KeyboardAccelerator> keyboardAccelerators)
{
_navigationView = navigationView;
_keyboardAccelerators = keyboardAccelerators;
NavigationService.Frame = frame;
NavigationService.NavigationFailed += Frame_NavigationFailed;
NavigationService.Navigated += Frame_Navigated;
_navigationView.BackRequested += OnBackRequested;
}
private void NavView_OnBackRequested(
Windows.UI.Xaml.Controls.NavigationView sender,
NavigationViewBackRequestedEventArgs args)
{
if (RibbonFrame.CanGoBack)
{
RibbonFrame.GoBack();
}
}
private void NavigationView_ItemInvoked(Windows.UI.Xaml.Controls.NavigationView sender, NavigationViewItemInvokedEventArgs args)
{
if (!args.IsSettingsInvoked)
{
// find NavigationViewItem with Content that equals InvokedItem
var item = sender.MenuItems.OfType <NavigationViewItem>().First(x => (string)x.Content == (string)args.InvokedItem);
NavView_Navigate(item as NavigationViewItem);
}
}
private void NavView_ItemInvoked(XamlIslands.NavigationView sender, XamlIslands.NavigationViewItemInvokedEventArgs args)
{
if (args.IsSettingsInvoked)
{
}
else if (args.InvokedItemContainer != null)
{
var navItemTag = args.InvokedItemContainer.Tag.ToString();
MessageBox.Show(navItemTag);
}
}
/// <summary>
/// Navigates to the page corresponding to the tapped item.
/// </summary>
private void NavigationView_ItemInvoked(Windows.UI.Xaml.Controls.NavigationView sender, Windows.UI.Xaml.Controls.NavigationViewItemInvokedEventArgs args)
{
var label = args.InvokedItem as string;
var pageType =
args.IsSettingsInvoked ? typeof(SettingsPage) :
label == CustomerListLabel ? typeof(CustomerListPage) :
label == OrderListLabel ? typeof(OrderListPage) : null;
if (pageType != null && pageType != AppFrame.CurrentSourcePageType)
{
AppFrame.Navigate(pageType);
}
}
private void MyNavView_ChildChanged(object sender, EventArgs e)
{
if (MyNavView.Child is XamlIslands.NavigationView navigationView)
{
_navView = navigationView;
_navView.RequestedTheme = ElementTheme.Light;
_navView.IsBackButtonVisible = XamlIslands.NavigationViewBackButtonVisible.Visible;
_navView.PaneDisplayMode = XamlIslands.NavigationViewPaneDisplayMode.Left;
_navView.MenuItems.Add(CreateMenu("Home"));
_navView.MenuItems.Add(CreateMenu("Admin"));
_navView.ItemInvoked += NavView_ItemInvoked;
}
}
private void NavigationView_OnItemInvoked(Windows.UI.Xaml.Controls.NavigationView sender, NavigationViewItemInvokedEventArgs args)
{
var item = args.InvokedItemContainer as NavigationViewItem;
if (item == null || item == _lastItem)
{
return;
}
var clickedView = item.Tag?.ToString() ?? "SettingsPage";
if (!NavigateToView(clickedView))
{
return;
}
_lastItem = item;
}
private void MainNaviView_SelectionChanged(Windows.UI.Xaml.Controls.NavigationView sender, Windows.UI.Xaml.Controls.NavigationViewSelectionChangedEventArgs args)
{
if (args.IsSettingsSelected)
{
}
else
{
NavigationViewItem item = args.SelectedItem as NavigationViewItem;
switch (item.Tag.ToString())
{
case Const.NaviActivity:
MainFrame.Navigate(typeof(NewsPage));
//sender.Header = "Activity";
break;
case Const.NaviNotif:
//sender.Header = "Notification";
break;
case Const.NaviTrend:
//sender.Header = "Trend";
break;
case Const.NaviIssue:
//sender.Header = "Issue";
break;
case Const.NaviProfile:
MainFrame.Navigate(typeof(ProfilePage));
//sender.Header = "My Profile";
break;
case Const.NaviMyRepos:
//sender.Header = "My Repositories";
break;
case Const.NaviMyStarred:
//sender.Header = "My Starred";
break;
case Const.NaviBookmarks:
//sender.Header = "My Bookmark";
break;
}
}
}
private void NavView_SelectionChanged(Windows.UI.Xaml.Controls.NavigationView sender, Windows.UI.Xaml.Controls.NavigationViewSelectionChangedEventArgs args)
{
Windows.UI.Xaml.Controls.NavigationViewItem e = sender.SelectedItem as Windows.UI.Xaml.Controls.NavigationViewItem;
String Name = e.Name.ToString();
switch (Name)
{
case "SearchFrame":
contentFrame.Navigate(typeof(SearchPage));
break;
case "SettingsPage":
contentFrame.Navigate(typeof(CodeSettingsPage));
break;
case "DocumentFrame":
contentFrame.Navigate(typeof(DocumentPage));
break;
}
}
private void NavigationView_SelectionChanged(UIControls.NavigationView sender, UIControls.NavigationViewSelectionChangedEventArgs args)
{
try
{
if (args.SelectedItem is UIControls.NavigationViewItem item)
{
switch (item.Content)
{
case "Home":
frame.Content = new HomePage();
break;
case "Shop":
frame.Content = new ShopPage();
break;
case "Payments":
frame.Content = new PaymentsPage();
break;
case "Reports":
frame.Content = new ReportsPage();
break;
case "Locate Branch":
frame.Content = new BranchPage();
break;
case "Profile Settings":
frame.Content = new ProfileSettingsPage();
break;
default:
break;
}
}
}
catch (Exception)
{
}
}
/// <summary>
/// Navigationm from shell menu
/// </summary>
/// <param name="sender"></param>
/// <param name="args"></param>
private void NavView_ItemInvoked(NavigationView sender, NavigationViewItemInvokedEventArgs args)
{
if (args.IsSettingsInvoked)
{
HamMen.NavigationService.Navigate(settingsPageType);
}
else
{
if (args.InvokedItem is string itemText &&
navView.MenuItems.FirstOrDefault(x => ((x as NavigationViewItem).Content as string) == itemText) is NavigationViewItem navItem)
{
if (navItem.Tag is Type modulePageType)
{
HamMen.NavigationService.Navigate(modulePageType, infoOverride: new SuppressNavigationTransitionInfo());
}
else
{
HamMen.NavigationService.Navigate(mainPageType, infoOverride: new SuppressNavigationTransitionInfo());
}
}
}
}
private void NavView_SelectionChanged(
Windows.UI.Xaml.Controls.NavigationView sender,
NavigationViewSelectionChangedEventArgs args)
{
if (args.IsSettingsSelected)
{
NavView.Header = "SettingsPage";
}
else
{
NavigationViewItem item =
args.SelectedItem as NavigationViewItem;
switch (item.Tag)
{
case "PortraitItem":
NavView.Header = "Portrait";
Frame.Navigate(typeof(Page1));
break;
case "SceneryItem":
NavView.Header = "Scenery";
Frame.Navigate(typeof(scenery));
break;
case "FoodItem":
NavView.Header = "Food";
Frame.Navigate(typeof(food));
break;
case "DrawItem":
NavView.Header = "Draw";
Frame.Navigate(typeof(draw));
break;
}
}
}
protected override void OnApplyTemplate()
{
var visual = ElementCompositionPreview.GetElementVisual(this);
NavigationView.CreateAndAttachHeaderAnimation(visual);
}
private void OnBackRequested(WinUI.NavigationView sender, WinUI.NavigationViewBackRequestedEventArgs args)
{
NavigationService.GoBack();
}
internal void SetNavigationViewParent(NavigationView navigationView)
{
m_navigationView = new WeakReference <NavigationView>(navigationView);
}
/// <summary>
/// Navigationview selection changed
/// </summary>
/// <param name="sender"></param>
/// <param name="args"></param>
private void NavView_SelectionChanged(NavigationView sender, NavigationViewSelectionChangedEventArgs args)
{
// Is it really needed?
}
private void NavView_BackRequested(Windows.UI.Xaml.Controls.NavigationView sender, Windows.UI.Xaml.Controls.NavigationViewBackRequestedEventArgs args)
{
TryGoBack();
}
