Monthly calendar basics.

Wino.Core.UWP/Views/ManageAccountsPage.xaml.cs

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+using System.Collections.ObjectModel;
+using System.Linq;
+using CommunityToolkit.Mvvm.Messaging;
+using MoreLinq;
+using Windows.UI.Xaml.Media.Animation;
+using Windows.UI.Xaml.Navigation;
+using Wino.Core.Domain;
+using Wino.Core.Domain.Enums;
+using Wino.Core.UWP.Views.Abstract;
+using Wino.Mail.ViewModels.Data;
+using Wino.Messaging.Client.Navigation;
+using Wino.Messaging.UI;
+
+namespace Wino.Views
+{
+    public sealed partial class ManageAccountsPage : ManageAccountsPageAbstract,
+        IRecipient<BackBreadcrumNavigationRequested>,
+        IRecipient<BreadcrumbNavigationRequested>,
+        IRecipient<MergedInboxRenamed>
+    {
+        public ObservableCollection<BreadcrumbNavigationItemViewModel> PageHistory { get; set; } = new ObservableCollection<BreadcrumbNavigationItemViewModel>();
+
+
+        public ManageAccountsPage()
+        {
+            InitializeComponent();
+        }
+
+        protected override void OnNavigatedTo(NavigationEventArgs e)
+        {
+            base.OnNavigatedTo(e);
+
+            var initialRequest = new BreadcrumbNavigationRequested(Translator.MenuManageAccounts, WinoPage.AccountManagementPage);
+            PageHistory.Add(new BreadcrumbNavigationItemViewModel(initialRequest, true));
+
+            var accountManagementPageType = ViewModel.NavigationService.GetPageType(WinoPage.AccountManagementPage);
+
+            AccountPagesFrame.Navigate(accountManagementPageType, null, new SuppressNavigationTransitionInfo());
+        }
+
+
+        void IRecipient<BreadcrumbNavigationRequested>.Receive(BreadcrumbNavigationRequested message)
+        {
+            var pageType = ViewModel.NavigationService.GetPageType(message.PageType);
+
+            if (pageType == null) return;
+
+            AccountPagesFrame.Navigate(pageType, message.Parameter, new SlideNavigationTransitionInfo() { Effect = SlideNavigationTransitionEffect.FromRight });
+
+            PageHistory.ForEach(a => a.IsActive = false);
+
+            PageHistory.Add(new BreadcrumbNavigationItemViewModel(message, true));
+        }
+
+        private void GoBackFrame()
+        {
+            if (AccountPagesFrame.CanGoBack)
+            {
+                PageHistory.RemoveAt(PageHistory.Count - 1);
+
+                AccountPagesFrame.GoBack(new SlideNavigationTransitionInfo() { Effect = SlideNavigationTransitionEffect.FromRight });
+            }
+        }
+
+        private void BreadItemClicked(Microsoft.UI.Xaml.Controls.BreadcrumbBar sender, Microsoft.UI.Xaml.Controls.BreadcrumbBarItemClickedEventArgs args)
+        {
+            var clickedPageHistory = PageHistory[args.Index];
+
+            while (PageHistory.FirstOrDefault(a => a.IsActive) != clickedPageHistory)
+            {
+                AccountPagesFrame.GoBack(new SlideNavigationTransitionInfo() { Effect = SlideNavigationTransitionEffect.FromRight });
+                PageHistory.RemoveAt(PageHistory.Count - 1);
+                PageHistory[PageHistory.Count - 1].IsActive = true;
+            }
+        }
+
+        public void Receive(BackBreadcrumNavigationRequested message)
+        {
+            GoBackFrame();
+        }
+
+        public void Receive(AccountUpdatedMessage message)
+        {
+            // TODO: Find better way to retrieve page history from the stack for the account.
+            var activePage = PageHistory.LastOrDefault();
+
+            if (activePage == null) return;
+
+            activePage.Title = message.Account.Name;
+        }
+
+        public void Receive(MergedInboxRenamed message)
+        {
+            // TODO: Find better way to retrieve page history from the stack for the merged account.
+            var activePage = PageHistory.LastOrDefault();
+
+            if (activePage == null) return;
+
+            activePage.Title = message.NewName;
+        }
+    }
+}