Improved keyboad shortcuts.

2026-03-08 13:21:42 +01:00
parent c1568d33e6
commit 15400d4096
35 changed files with 979 additions and 336 deletions
@@ -0,0 +1,115 @@
+using System;
+using System.Collections.ObjectModel;
+using Microsoft.UI.Xaml.Controls;
+using Microsoft.UI.Xaml.Media.Animation;
+using Wino.Core.Domain.Enums;
+using Wino.Mail.ViewModels.Data;
+using Wino.Messaging.Client.Navigation;
+
+namespace Wino.Helpers;
+
+public static class BreadcrumbNavigationHelper
+{
+    public static bool Navigate(
+        Frame frame,
+        ObservableCollection<BreadcrumbNavigationItemViewModel> pageHistory,
+        BreadcrumbNavigationRequested message,
+        Func<WinoPage, Type> getPageType)
+    {
+        var pageType = getPageType(message.PageType);
+
+        if (pageType == null)
+            return false;
+
+        frame.Navigate(pageType, message.Parameter, new SlideNavigationTransitionInfo
+        {
+            Effect = SlideNavigationTransitionEffect.FromRight
+        });
+
+        SetActiveItem(pageHistory, null);
+        pageHistory.Add(new BreadcrumbNavigationItemViewModel(
+            message,
+            isActive: true,
+            stepNumber: pageHistory.Count + 1,
+            backStackDepth: frame.BackStack.Count + 1));
+
+        return true;
+    }
+
+    public static bool GoBack(
+        Frame frame,
+        ObservableCollection<BreadcrumbNavigationItemViewModel> pageHistory,
+        NavigationTransitionEffect slideEffect)
+    {
+        if (!frame.CanGoBack || pageHistory.Count == 0)
+            return false;
+
+        pageHistory.RemoveAt(pageHistory.Count - 1);
+        frame.GoBack(new SlideNavigationTransitionInfo
+        {
+            Effect = slideEffect == NavigationTransitionEffect.FromLeft
+                ? SlideNavigationTransitionEffect.FromLeft
+                : SlideNavigationTransitionEffect.FromRight
+        });
+
+        SetActiveItem(pageHistory, pageHistory.Count > 0 ? pageHistory[^1] : null);
+        return true;
+    }
+
+    public static bool NavigateTo(
+        Frame frame,
+        ObservableCollection<BreadcrumbNavigationItemViewModel> pageHistory,
+        int targetIndex)
+    {
+        if (targetIndex < 0 || targetIndex >= pageHistory.Count)
+            return false;
+
+        var activeIndex = GetActiveIndex(pageHistory);
+        if (activeIndex <= 0 || targetIndex >= activeIndex)
+            return false;
+
+        var targetItem = pageHistory[targetIndex];
+
+        while (frame.BackStack.Count > targetItem.BackStackDepth)
+        {
+            frame.BackStack.RemoveAt(frame.BackStack.Count - 1);
+        }
+
+        if (!frame.CanGoBack)
+            return false;
+
+        frame.GoBack(new SlideNavigationTransitionInfo
+        {
+            Effect = SlideNavigationTransitionEffect.FromLeft
+        });
+
+        while (pageHistory.Count > targetIndex + 1)
+        {
+            pageHistory.RemoveAt(pageHistory.Count - 1);
+        }
+
+        SetActiveItem(pageHistory, targetItem);
+        return true;
+    }
+
+    private static int GetActiveIndex(ObservableCollection<BreadcrumbNavigationItemViewModel> pageHistory)
+    {
+        for (var i = 0; i < pageHistory.Count; i++)
+        {
+            if (pageHistory[i].IsActive)
+                return i;
+        }
+
+        return -1;
+    }
+
+    private static void SetActiveItem(
+        ObservableCollection<BreadcrumbNavigationItemViewModel> pageHistory,
+        BreadcrumbNavigationItemViewModel? activeItem)
+    {
+        foreach (var item in pageHistory)
+        {
+            item.IsActive = ReferenceEquals(item, activeItem);
+        }
+    }
+}