From d750d0c485f906b0b37d06eec1bdc3af931b70e5 Mon Sep 17 00:00:00 2001
From: Keith Pickford <Keith@FunctionZero.com>
Date: Sun, 18 Feb 2024 22:44:28 +0000
Subject: [PATCH] A little bit of polish.

---
 .../Controls/MultiView/MultiViewZero.cs       |  5 ++++-
 .../MultiView/MultiViewModalPageVm.cs         |  2 +-
 .../Pages/MultiView/MultiViewModalPage.xaml   | 20 +++++++------------
 3 files changed, 12 insertions(+), 15 deletions(-)

diff --git a/FunctionZero.Maui.Controls/Controls/MultiView/MultiViewZero.cs b/FunctionZero.Maui.Controls/Controls/MultiView/MultiViewZero.cs
index 84bf5d6..a7c3aaf 100644
--- a/FunctionZero.Maui.Controls/Controls/MultiView/MultiViewZero.cs
+++ b/FunctionZero.Maui.Controls/Controls/MultiView/MultiViewZero.cs
@@ -105,7 +105,7 @@ private static void TopViewNameChanged(BindableObject bindable, object oldValue,
             var self = (MultiViewZero)bindable;
 
             // TODO: Find the current view.
-
+            bool flag = false;
             foreach (IView item in self)
             {
                 if (item is View theChildView)
@@ -117,12 +117,15 @@ private static void TopViewNameChanged(BindableObject bindable, object oldValue,
                         {
                             theChildView.IsVisible = true;
                             self.SetTopView(theChildView);
+                            flag = true;
                         }
                         else if (item != self.PreviousView && item != self.CurrentView)
                             theChildView.IsVisible = false;
                     }
                 }
             }
+            if (flag == false)
+                self.SetTopView(null);
         }
 
         private void SetTopView(View theChildView)
diff --git a/SampleApp/Mvvm/PageViewModels/MultiView/MultiViewModalPageVm.cs b/SampleApp/Mvvm/PageViewModels/MultiView/MultiViewModalPageVm.cs
index 712e0a6..e7bf6fa 100644
--- a/SampleApp/Mvvm/PageViewModels/MultiView/MultiViewModalPageVm.cs
+++ b/SampleApp/Mvvm/PageViewModels/MultiView/MultiViewModalPageVm.cs
@@ -10,7 +10,7 @@ namespace SampleApp.Mvvm.PageViewModels.MultiView
 {
     public class MultiViewModalPageVm : BasePageVm
     {
-        private string[] _modalViewNames = { "first", "none", "second", "none" };
+        private string[] _modalViewNames = { "first", "second", "third", "fourth" };
         private int _modalViewIndex = 0;
         private string _topViewName;
 
diff --git a/SampleApp/Mvvm/Pages/MultiView/MultiViewModalPage.xaml b/SampleApp/Mvvm/Pages/MultiView/MultiViewModalPage.xaml
index b0fe279..fdba32b 100644
--- a/SampleApp/Mvvm/Pages/MultiView/MultiViewModalPage.xaml
+++ b/SampleApp/Mvvm/Pages/MultiView/MultiViewModalPage.xaml
@@ -6,7 +6,7 @@
              x:Class="SampleApp.Mvvm.Pages.MultiView.MultiViewModalPage"
              Title="MultiViewModalPage">
     <Grid Grid.RowDefinitions="*,*">
-        <cz:MultiViewZero Grid.Row="0" TopViewName="{Binding TopViewName}" InDuration="400" OutDuration="400" BackgroundColor="Blue">
+        <cz:MultiViewZero Grid.Row="0" TopViewName="{Binding TopViewName}" InDuration="300" OutDuration="300" BackgroundColor="Blue">
 
             <cz:MultiViewZero.InAnimations>
                 <cz:MultiViewAnimation
@@ -16,10 +16,7 @@
                     Expression="CurrentView.Opacity=value,CurrentView.TranslationX=(1-value)*Width/20"
                     FinishedExpression="CurrentView.Opacity=1,CurrentView.TranslationX=0"
                     >
-
                 </cz:MultiViewAnimation>
-
-
             </cz:MultiViewZero.InAnimations>
 
             <cz:MultiViewZero.OutAnimations>
@@ -30,17 +27,16 @@
                     Expression="PreviousView.Opacity=(1-value),PreviousView.TranslationX=value*Width/20"
                     FinishedExpression=""
                     >
-
                 </cz:MultiViewAnimation>
 
-
             </cz:MultiViewZero.OutAnimations>
 
             <cz:MultiViewZero.Children>
 
                 <Label Text="First"  FontSize="42" cz:MultiViewZero.MultiName="first"/>
                 <Label Text="Second" FontSize="42" cz:MultiViewZero.MultiName="second"/>
-                <Label Text="None"   FontSize="42" cz:MultiViewZero.MultiName="none"/>
+                <Label Text="Third"   FontSize="42" cz:MultiViewZero.MultiName="third"/>
+                <Label Text="Fourth"   FontSize="42" cz:MultiViewZero.MultiName="fourth"/>
             </cz:MultiViewZero.Children>
 
         </cz:MultiViewZero>
@@ -48,26 +44,24 @@
         
         
         <cz:MultiViewZero Grid.Row="1" TopViewName="{Binding TopViewName}" InDuration="666" OutDuration="666" BackgroundColor="Yellow">
-
+<!--TODO: Add ItemControlTemplate-->
             <cz:MultiViewZero.InAnimations>
                 <cz:MultiViewAnimation
                     From="0"
                     To="1"
-                    EasingFunc="{x:Static Easing.SinInOut}"
+                    EasingFunc="{x:Static Easing.BounceOut}"
                     Expression="CurrentView.Scale=value"
                     FinishedExpression="1"
                     >
-
                 </cz:MultiViewAnimation>
 
-
             </cz:MultiViewZero.InAnimations>
 
             <cz:MultiViewZero.OutAnimations>
                 <cz:MultiViewAnimation
                     From="1"
                     To="0"
-                    EasingFunc="{x:Static Easing.SinInOut}"
+                    EasingFunc="{x:Static Easing.SpringIn}"
                     Expression="PreviousView.Scale=value"
                     FinishedExpression="1"
                     >
@@ -80,7 +74,7 @@
             <cz:MultiViewZero.Children>
 
                 <Label Text="First Modal"  FontSize="42" Padding="20" TextColor="Black" BackgroundColor="White" cz:MultiViewZero.MultiName="first"  VerticalOptions="Center" HorizontalOptions="Center"/>
-                <Label Text="Second Modal"   FontSize="42" Padding="20" TextColor="Black" BackgroundColor="White" cz:MultiViewZero.MultiName="second"   VerticalOptions="Center" HorizontalOptions="Center"/>
+                <Label Text="Second Modal" FontSize="42" Padding="20" TextColor="Black" BackgroundColor="White" cz:MultiViewZero.MultiName="third"   VerticalOptions="Center" HorizontalOptions="Center"/>
             </cz:MultiViewZero.Children>
 
         </cz:MultiViewZero>