protected override int GetLevelCore()
{
NavigationViewItemBase nvib = Owner as NavigationViewItemBase;
if (nvib != null)
{
var nvibImpl = nvib;
if (nvibImpl.IsTopLevelItem)
{
return(1);
}
else
{
var navView = GetParentNavigationView();
if (navView != null)
{
var indexPath = navView.GetIndexPathForContainer(nvib);
if (indexPath != null)
{
// first index in path stands for main or footer menu
return(indexPath.GetSize() - 1);
}
}
}
}
return(0);
}
public MenuViewModel()
{
NavigationItems = new ObservableCollection <NavigationViewItemBase>();
GetNagivationItems();
SelectedItem = NavigationItems.First(x => x.GetType() == typeof(NavigationViewItem));
}
private void NavView_ItemInvoked(NavigationView _, NavigationViewItemInvokedEventArgs args)
{
var tag = (RouteType)args.InvokedItemContainer.Tag;
var pre = Selected;
Selected = ApplicationRouter.GetRouteTag(tag);
SelectedContainer = args.InvokedItemContainer;
ContentFrame.NavigateToRoute(tag, TransitionHelper.DecideSlideAnimation(pre, Selected));
}
private NavigationViewRepeaterPosition GetNavigationViewRepeaterPosition()
{
NavigationViewItemBase navigationViewItem = Owner as NavigationViewItemBase;
if (navigationViewItem != null)
{
return(navigationViewItem.Position);
}
return(NavigationViewRepeaterPosition.LeftNav);
}
NavigationView GetParentNavigationView()
{
NavigationView navigationView = null;
NavigationViewItemBase navigationViewItem = Owner as NavigationViewItemBase;
if (navigationViewItem != null)
{
navigationView = navigationViewItem.GetNavigationView();
}
return(navigationView);
}
private static void ChangeMenuSelection()
{
if ((Windows.UI.Xaml.Window.Current.Content as Frame).Content is MenuPage mp)
{
MenuViewModel VM = mp.DataContext as MenuViewModel;
Type t = NavigationFrame.Content.GetType();
NavigationViewItemBase tmp = (VM.NavigationItems as IEnumerable <NavigationViewItemBase>).FirstOrDefault(x => (x.Tag as Type) == t);
if (tmp != null)
{
VM.SelectedItem = tmp;
}
}
}
// Delete menu item when a category is deleted
public void DeleteMenuItem(int id)
{
NavigationViewItemBase deletion = null;
foreach (var item in MenuItems)
{
if (item.Name != null && item.Name == id.ToString())
{
deletion = item;
}
}
MenuItems.Remove(deletion);
}
public static void DeleteMenuItem(string name)
{
NavigationViewItemBase deletion = null;
foreach (var item in menu)
{
if (item.Content != null && item.Content.ToString() == name)
{
deletion = item;
}
}
menu.Remove(deletion);
}
private void NavView_Loaded(object sender, RoutedEventArgs e)
{
foreach (var tag in Tags)
{
NavView.MenuItems.Add(new NavigationViewItem {
Content = tag.Text,
Icon = new SymbolIcon((Symbol)0xF1AD),
Tag = tag.Type
});
}
Selected = ApplicationRouter.GetRouteTag(Tags[0].Type);
SelectedContainer = (NavigationViewItemBase)(NavView.SelectedItem = NavView.MenuItems[0]);
}
private void NavView_OnItemInvoked(NavigationView sender, NavigationViewItemInvokedEventArgs args)
{
if (args.IsSettingsInvoked)
{
}
else
{
string itemTitle = args.InvokedItem as string;
NavigationViewItemBase navItem =
(sender.MenuItemsSource as IEnumerable <NavigationViewItemBase>).First(x =>
x.Content as string == itemTitle);
NavigationService.Navigate(navItem.Tag as Type);
}
}
private ItemsRepeater GetParentItemsRepeater()
{
var navview = GetParentNavigationView();
if (navview != null)
{
NavigationViewItemBase navigationViewItem = Owner as NavigationViewItemBase;
if (navigationViewItem != null)
{
return(navview.GetParentItemsRepeaterForContainer(navigationViewItem));
}
}
return(null);
}
public async Task ResetFlavours()
{
//Removes each one
for (int i = NavView.MenuItems.Count - 1; i >= 0; i--)
{
NavigationViewItemBase menuitem = (NavigationViewItemBase)NavView.MenuItems[i];
if (menuitem.Name.Equals("Flavour"))
{
NavView.MenuItems.Remove(menuitem);
}
}
//Loads them
await LoadPinnedFlavours();
}
private void navigationViewMainNavigation_SelectionChanged(NavigationView sender, NavigationViewSelectionChangedEventArgs args)
{
NavigationViewItemBase container = args.SelectedItemContainer;
NavigationViewItem selectedItem;
if (container is NavigationViewItem)
{
selectedItem = container as NavigationViewItem;
}
else
{
return;
}
if (selectedItem.Equals(navigationViewItemHome) || selectedItem.Equals(navigationViewItemAboutApplication))
{
frameMainContent.Navigate(typeof(PageHome));
}
else if (selectedItem.Equals(navigationViewItemPlayer))
{
frameMainContent.Navigate(typeof(PagePlayer));
}
else if (selectedItem.Equals(navigationViewItemAddTag))
{
frameMainContent.Navigate(typeof(PageAddTag));
}
else if (selectedItem.Equals(navigationViewItemListTags))
{
frameMainContent.Navigate(typeof(PageListTags));
}
else if (selectedItem.Equals(navigationViewItemAddSong))
{
frameMainContent.Navigate(typeof(PageAddSong));
}
else if (selectedItem.Equals(navigationViewItemListSongs))
{
frameMainContent.Navigate(typeof(PageListSongs));
}
}
//Loads the pinned flavours and playlists into the list on the left of the screen.
public async Task LoadPinnedFlavours()
{
List <long> inlist = new List <long>();
bool showunpinnedflavours = (bool)Windows.Storage.ApplicationData.Current.LocalSettings.Values["ShowUnpinnedFlavours"];
foreach (NavigationViewItemBase menuitem in NavView.MenuItems)
{
if (menuitem.Name.Equals("Flavour"))
{
var tag = (long)menuitem.Tag;
inlist.Add(tag);
}
}
var playlists = SongListStorage.PlaylistDict.Values;
//Loops through the playlists to load the necessary ones.
foreach (Playlist playlist in playlists)
{
if ((playlist.pinned || showunpinnedflavours) && !inlist.Contains(playlist.PlaylistID))
{
await LoadFlavour(playlist);
}
}
for (int i = NavView.MenuItems.Count - 1; i >= 0; i--)
{
NavigationViewItemBase menuitem = (NavigationViewItemBase)NavView.MenuItems[i];
if (menuitem.Name.Equals("Flavour"))
{
var key = (long)menuitem.Tag;
if (!SongListStorage.PlaylistDict.ContainsKey(key) || (!SongListStorage.PlaylistDict[key].pinned && !showunpinnedflavours))
{
NavView.MenuItems.Remove(menuitem);
//menuitem.Visibility = Visibility.Collapsed;
}
}
}
/*newlist.Add((long)(test as NavigationViewItem).Tag);
* for (int i = NavView.MenuItems.Count - 1; i >= 0; i--)
* {
* NavigationViewItemBase menuitem = (NavigationViewItemBase)NavView.MenuItems[i];
* if (menuitem.Name.Equals("Flavour") && (NavigationViewItem)menuitem != test)
* {
* NavView.MenuItems.Remove(menuitem);
* }
* }*/
//var orderedlist = NavView.MenuItems.OrderBy(x => ((Playlist)x).Name); //get rid of
//NavView.MenuItems.orde
//artist.Albums.Sort((x, y) => SongListStorage.AlbumDict[y].Year.CompareTo(SongListStorage.AlbumDict[x].Year));
/*foreach (NavigationViewItemBase menuitem in NavView.MenuItems)
* {
* if (menuitem.Name.Equals("Flavour"))
* {
* var key = (long)menuitem.Tag;
* var tempname = SongListStorage.PlaylistDict[key].Name;
* if (!SongListStorage.PlaylistDict.ContainsKey(key) || (!SongListStorage.PlaylistDict[key].pinned && !SongListStorage.ShowUnpinnedFlavours))
* {
* NavView.MenuItems.Remove(menuitem);
* //menuitem.Visibility = Visibility.Collapsed;
* }
* }
* }*/
}
public static void SetNavigationType(NavigationViewItemBase dependencyObject, Type value) => dependencyObject.SetValue(NavigationTypeProperty, value);
public static Type GetNavigationType(NavigationViewItemBase dependencyObject) => (Type)dependencyObject.GetValue(NavigationTypeProperty);
