From 9ef5aeffbaaedea8d28bfeef8501bcf0ca2dbeaf Mon Sep 17 00:00:00 2001
From: Lukasz Stanislawski <l.stanislaws@samsung.com>
Date: Thu, 17 Dec 2020 17:59:23 +0100
Subject: [PATCH] Replace Page

---
 Fitness/Services/NavigationService.cs     | 45 +++++++++++++++++++++++++++----
 Fitness/ViewModels/ExercisingViewModel.cs |  2 +-
 Fitness/ViewModels/SummaryViewModel.cs    |  2 +-
 3 files changed, 42 insertions(+), 7 deletions(-)

diff --git a/Fitness/Services/NavigationService.cs b/Fitness/Services/NavigationService.cs
index 9eea2d3..87e7a44 100644
--- a/Fitness/Services/NavigationService.cs
+++ b/Fitness/Services/NavigationService.cs
@@ -1,3 +1,4 @@
+using System;
 using Fitness.Controls;
 using Fitness.Views;
 using Tizen.NUI;
@@ -30,27 +31,27 @@ namespace Fitness.Services
 
         public void NavigateToMainView()
         {
-            navigation.Push(new MainView());
+            ReplaceCurrentPage(new MainView());
         }
 
         public void NavigateToExercisingView()
         {
-            navigation.Push(new ExercisingView());
+            ReplaceCurrentPage(new ExercisingView());
         }
 
         public void NavigateToExercisePreviewView(string workoutId)
         {
-            navigation.Push(new ExercisePreviewView(workoutId));
+            ReplaceCurrentPage(new ExercisePreviewView(workoutId));
         }
 
         public void NavigateToScanningView()
         {
-            navigation.Push(new ScanningView());
+            ReplaceCurrentPage(new ScanningView());
         }
 
         public void NavigateToLoadingView()
         {
-            navigation.Push(new LoadingView());
+            ReplaceCurrentPage(new LoadingView());
         }
 
         public void NavigateToSummaryView()
@@ -67,5 +68,39 @@ namespace Fitness.Services
         {
             navigation.PopToRoot();
         }
+
+        private void ReplaceCurrentPage(Fitness.Controls.Page page)
+        {
+            navigation.Push(page);
+
+            if (page.PageTransitions != null)
+            {
+                page.PageTransitions.TransitionFinished += PageTransitionFinished;
+            }
+            else
+            {
+                RemovePagesExceptCurrent();
+            }
+        }
+
+        private void PageTransitionFinished(object sender, EventArgs args)
+        {
+            RemovePagesExceptCurrent();
+        }
+
+        private void RemovePagesExceptCurrent()
+        {
+            var pages = navigation.Pages;
+
+            for (int i = pages.Count - 1; i > 0; i--)
+            {
+                navigation.Remove(pages[i]);
+            }
+        }
+
+        private void RemovePagesExceptCurrentAfterTransition()
+        {
+            var pages = navigation.Pages;
+        }
     }
 }
diff --git a/Fitness/ViewModels/ExercisingViewModel.cs b/Fitness/ViewModels/ExercisingViewModel.cs
index 9eda2cd..b151a47 100644
--- a/Fitness/ViewModels/ExercisingViewModel.cs
+++ b/Fitness/ViewModels/ExercisingViewModel.cs
@@ -115,7 +115,7 @@ namespace Fitness.ViewModels
 
         private void ExecuteEndWorkout()
         {
-            Services.NavigationService.Instance.PopToRoot();
+            Services.NavigationService.Instance.NavigateToSummaryView();
         }
 
         private void ExecutePrev()
diff --git a/Fitness/ViewModels/SummaryViewModel.cs b/Fitness/ViewModels/SummaryViewModel.cs
index 2e74388..72280a9 100644
--- a/Fitness/ViewModels/SummaryViewModel.cs
+++ b/Fitness/ViewModels/SummaryViewModel.cs
@@ -16,7 +16,7 @@ namespace Fitness.ViewModels
         public SummaryViewModel()
         {
             Back = new Command(() => { NavigationService.Instance.Pop(); });
-            Ok = new Command(() => { NavigationService.Instance.PopToRoot(); });
+            Ok = new Command(() => { NavigationService.Instance.NavigateToMainView(); });
         }
 
         /// <summary>
-- 
2.7.4