Burak Kaan Köse
116 lines
3.3 KiB
C#
116 lines
3.3 KiB
C#
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);
|
|
}
|
|
}
|
|
}
|