From 3f1b3fdd2278e5f538381cfa290e7309b6750d8d Mon Sep 17 00:00:00 2001
From: Rosario Pulella <RosarioPulella@gmail.com>
Date: Mon, 28 Jun 2021 12:20:05 -0400
Subject: [PATCH] Make scrool controls part of the sample

---
 .../ListViewExtensionsPage.xaml               | 36 ++++++++++++++++
 .../ListViewExtensionsPage.xaml.cs            | 40 +++++++++++-------
 .../ListViewExtensionsXaml.bind               | 42 ++++++++++++++++---
 3 files changed, 97 insertions(+), 21 deletions(-)

diff --git a/Microsoft.Toolkit.Uwp.SampleApp/SamplePages/ListViewExtensions/ListViewExtensionsPage.xaml b/Microsoft.Toolkit.Uwp.SampleApp/SamplePages/ListViewExtensions/ListViewExtensionsPage.xaml
index 7107a732929..4e81fb93152 100644
--- a/Microsoft.Toolkit.Uwp.SampleApp/SamplePages/ListViewExtensions/ListViewExtensionsPage.xaml
+++ b/Microsoft.Toolkit.Uwp.SampleApp/SamplePages/ListViewExtensions/ListViewExtensionsPage.xaml
@@ -20,7 +20,12 @@
     </Page.Resources>
 
     <Grid>
+        <Grid.ColumnDefinitions>
+            <ColumnDefinition Width="*" />
+            <ColumnDefinition Width="Auto" />
+        </Grid.ColumnDefinitions>
         <ListView x:Name="SampleListView"
+                  Grid.Column="0"
                   Margin="12"
                   ui:ListViewExtensions.AlternateColor="#33AAAAAA"
                   ui:ListViewExtensions.AlternateItemTemplate="{StaticResource AlternateTemplate}"
@@ -28,5 +33,36 @@
                   ui:ListViewExtensions.ItemContainerStretchDirection="Both"
                   IsItemClickEnabled="True"
                   ItemTemplate="{StaticResource NormalTemplate}" />
+
+        <StackPanel Grid.Column="1" Margin="5,0,5,0" Width="200">
+            <TextBox x:Name="IndexInput"
+                     Header="Index"
+                     InputScope="Number"
+                     Text="0" />
+            <ComboBox x:Name="ItemPlacementInput"
+                      Header="Item Placement"
+                      SelectedIndex="0">
+                <x:String>Default</x:String>
+                <x:String>Left</x:String>
+                <x:String>Top</x:String>
+                <x:String>Center</x:String>
+                <x:String>Right</x:String>
+                <x:String>Bottom</x:String>
+            </ComboBox>
+            <CheckBox x:Name="DisableAnimationInput"
+                      Content="Disable Animation"
+                      IsChecked="False" />
+            <CheckBox x:Name="ScrollIfVisibileInput"
+                      Content="Scroll If Visible"
+                      IsChecked="True" />
+            <TextBox x:Name="AdditionalHorizontalOffsetInput"
+                     Header="Horizontal Offset"
+                     InputScope="Number"
+                     Text="0" />
+            <TextBox x:Name="AdditionalVerticalOffsetInput"
+                     Header="Vertical Offset"
+                     InputScope="Number"
+                     Text="0" />
+        </StackPanel>
     </Grid>
 </Page>
\ No newline at end of file
diff --git a/Microsoft.Toolkit.Uwp.SampleApp/SamplePages/ListViewExtensions/ListViewExtensionsPage.xaml.cs b/Microsoft.Toolkit.Uwp.SampleApp/SamplePages/ListViewExtensions/ListViewExtensionsPage.xaml.cs
index 1d8e4d5a388..4eef27f345c 100644
--- a/Microsoft.Toolkit.Uwp.SampleApp/SamplePages/ListViewExtensions/ListViewExtensionsPage.xaml.cs
+++ b/Microsoft.Toolkit.Uwp.SampleApp/SamplePages/ListViewExtensions/ListViewExtensionsPage.xaml.cs
@@ -1,4 +1,4 @@
-// Licensed to the .NET Foundation under one or more agreements.
+// Licensed to the .NET Foundation under one or more agreements.
 // The .NET Foundation licenses this file to you under the MIT license.
 // See the LICENSE file in the project root for more information.
 
@@ -15,12 +15,12 @@ namespace Microsoft.Toolkit.Uwp.SampleApp.SamplePages
     public sealed partial class ListViewExtensionsPage : Page, IXamlRenderListener
     {
         private ListView sampleListView;
-        private TextBlock indexInput;
-        private TextBlock itemPlacementInput;
+        private TextBox indexInput;
+        private ComboBox itemPlacementInput;
         private CheckBox disableAnimationInput;
         private CheckBox scrollIfVisibileInput;
-        private TextBlock additionalHorizontalOffsetInput;
-        private TextBlock additionalVerticalOffsetInput;
+        private TextBox additionalHorizontalOffsetInput;
+        private TextBox additionalVerticalOffsetInput;
 
         public ListViewExtensionsPage()
         {
@@ -31,12 +31,12 @@ public ListViewExtensionsPage()
         public void OnXamlRendered(FrameworkElement control)
         {
             sampleListView = control.FindChild("SampleListView") as ListView;
-            indexInput = control.FindChild("IndexInput") as TextBlock;
-            itemPlacementInput = control.FindChild("ItemPlacementInput") as TextBlock;
+            indexInput = control.FindChild("IndexInput") as TextBox;
+            itemPlacementInput = control.FindChild("ItemPlacementInput") as ComboBox;
             disableAnimationInput = control.FindChild("DisableAnimationInput") as CheckBox;
             scrollIfVisibileInput = control.FindChild("ScrollIfVisibileInput") as CheckBox;
-            additionalHorizontalOffsetInput = control.FindChild("AdditionalHorizontalOffsetInput") as TextBlock;
-            additionalVerticalOffsetInput = control.FindChild("AdditionalVerticalOffsetInput") as TextBlock;
+            additionalHorizontalOffsetInput = control.FindChild("AdditionalHorizontalOffsetInput") as TextBox;
+            additionalVerticalOffsetInput = control.FindChild("AdditionalVerticalOffsetInput") as TextBox;
 
             if (sampleListView != null)
             {
@@ -51,12 +51,22 @@ private void Load()
         {
             SampleController.Current.RegisterNewCommand("Start Smooth Scroll", (sender, args) =>
             {
-                var index = int.Parse(indexInput?.Text);
-                var itemPlacement = (ItemPlacement)Enum.Parse(typeof(ItemPlacement), itemPlacementInput?.Text);
-                var disableAnimation = disableAnimationInput?.IsChecked ?? false;
-                var scrollIfVisibile = scrollIfVisibileInput?.IsChecked ?? true;
-                var additionalHorizontalOffset = int.Parse(additionalHorizontalOffsetInput?.Text);
-                var additionalVerticalOffset = int.Parse(additionalVerticalOffsetInput?.Text);
+                var index = int.TryParse(indexInput.Text, out var i) ? i : 0;
+                var itemPlacement = itemPlacementInput.SelectedItem switch
+                {
+                    "Default" => UI.ItemPlacement.Default,
+                    "Left" => UI.ItemPlacement.Left,
+                    "Top" => UI.ItemPlacement.Top,
+                    "Center" => UI.ItemPlacement.Center,
+                    "Right" => UI.ItemPlacement.Right,
+                    "Bottom" => UI.ItemPlacement.Bottom,
+                    _ => UI.ItemPlacement.Default
+                };
+
+                var disableAnimation = disableAnimationInput.IsChecked ?? false;
+                var scrollIfVisibile = scrollIfVisibileInput.IsChecked ?? true;
+                var additionalHorizontalOffset = int.TryParse(additionalHorizontalOffsetInput.Text, out var ho) ? ho : 0;
+                var additionalVerticalOffset = int.TryParse(additionalVerticalOffsetInput.Text, out var vo) ? vo : 0;
                 sampleListView.SmoothScrollIntoViewWithIndex(index, itemPlacement, disableAnimation, scrollIfVisibile, additionalHorizontalOffset, additionalVerticalOffset);
             });
 
diff --git a/Microsoft.Toolkit.Uwp.SampleApp/SamplePages/ListViewExtensions/ListViewExtensionsXaml.bind b/Microsoft.Toolkit.Uwp.SampleApp/SamplePages/ListViewExtensions/ListViewExtensionsXaml.bind
index a305b62926b..b323642055a 100644
--- a/Microsoft.Toolkit.Uwp.SampleApp/SamplePages/ListViewExtensions/ListViewExtensionsXaml.bind
+++ b/Microsoft.Toolkit.Uwp.SampleApp/SamplePages/ListViewExtensions/ListViewExtensionsXaml.bind
@@ -20,15 +20,14 @@
   </Page.Resources>
 
   <Grid>
-    <TextBlock x:Name="IndexInput" x:Load="False" Text="@[Index:Slider:100:0-200]" Visibility="Collapsed"></TextBlock>
-    <TextBlock x:Name="ItemPlacementInput" x:Load="False" Text="@[Item Placement:Enum:ItemPlacement.Default]" Visibility="Collapsed"></TextBlock>
-    <CheckBox x:Name="DisableAnimationInput" x:Load="False" IsChecked="@[Disable Animation:Bool:False]" Visibility="Collapsed"></CheckBox>
-    <CheckBox x:Name="ScrollIfVisibileInput" x:Load="False" IsChecked="@[Scroll If Visibile:Bool:True]" Visibility="Collapsed"></CheckBox>
-    <TextBlock x:Name="AdditionalHorizontalOffsetInput" x:Load="False" Text="@[Additional Horizontal Offset:Slider:0:-500-500]" Visibility="Collapsed"></TextBlock>
-    <TextBlock x:Name="AdditionalVerticalOffsetInput" x:Load="False" Text="@[Additional Vertical Offset:Slider:0:-500-500]" Visibility="Collapsed"></TextBlock>
+    <Grid.ColumnDefinitions>
+      <ColumnDefinition Width="*" />
+      <ColumnDefinition Width="Auto" />
+    </Grid.ColumnDefinitions>
 
     <ListView
         x:Name="SampleListView"
+        Grid.Column="0"
         Margin="12"
         ItemTemplate="{StaticResource NormalTemplate}"
         IsItemClickEnabled="True"
@@ -37,5 +36,36 @@
         ui:ListViewExtensions.AlternateItemTemplate="{StaticResource AlternateTemplate}"
         ui:ListViewExtensions.ItemContainerStretchDirection="Both">
     </ListView>
+
+    <StackPanel Grid.Column="1" Margin="5,0,5,0" Width="200">
+      <TextBox x:Name="IndexInput"
+                Header="Index"
+                InputScope="Number"
+                Text="0" />
+      <ComboBox x:Name="ItemPlacementInput"
+                Header="Item Placement"
+                SelectedIndex="0">
+        <x:String>Default</x:String>
+        <x:String>Left</x:String>
+        <x:String>Top</x:String>
+        <x:String>Center</x:String>
+        <x:String>Right</x:String>
+        <x:String>Bottom</x:String>
+      </ComboBox>
+      <CheckBox x:Name="DisableAnimationInput"
+                Content="Disable Animation"
+                IsChecked="False" />
+      <CheckBox x:Name="ScrollIfVisibileInput"
+                Content="Scroll If Visible"
+                IsChecked="True" />
+      <TextBox x:Name="AdditionalHorizontalOffsetInput"
+                Header="Horizontal Offset"
+                InputScope="Number"
+                Text="0" />
+      <TextBox x:Name="AdditionalVerticalOffsetInput"
+                Header="Vertical Offset"
+                InputScope="Number"
+                Text="0" />
+    </StackPanel>
   </Grid>
 </Page>
\ No newline at end of file