From 0e4e7c929353becfffbf7c12035073f55e955a06 Mon Sep 17 00:00:00 2001
From: NaBian <836904362@qq.com>
Date: Wed, 6 Mar 2024 10:11:46 +0800
Subject: [PATCH] fix: #1524

---
 src/Net_40/HandyControl_Net_40/Themes/Styles/ListView.xaml | 7 +++++--
 src/Net_40/HandyControl_Net_40/Themes/Theme.xaml           | 7 +++++--
 src/Shared/HandyControl_Shared/Themes/Styles/ListView.xaml | 7 +++++--
 src/Shared/HandyControl_Shared/Themes/Theme.xaml           | 7 +++++--
 4 files changed, 20 insertions(+), 8 deletions(-)

diff --git a/src/Net_40/HandyControl_Net_40/Themes/Styles/ListView.xaml b/src/Net_40/HandyControl_Net_40/Themes/Styles/ListView.xaml
index bfd3001b..40e57052 100644
--- a/src/Net_40/HandyControl_Net_40/Themes/Styles/ListView.xaml
+++ b/src/Net_40/HandyControl_Net_40/Themes/Styles/ListView.xaml
@@ -52,7 +52,7 @@
                                             <RowDefinition Height="*" />
                                             <RowDefinition Height="Auto" />
                                         </Grid.RowDefinitions>
-                                        <DockPanel Grid.ColumnSpan="2">
+                                        <DockPanel Grid.ColumnSpan="2" x:Name="Header">
                                             <ScrollViewer DockPanel.Dock="Top" HorizontalScrollBarVisibility="Hidden" VerticalScrollBarVisibility="Hidden" Focusable="false">
                                                 <GridViewHeaderRowPresenter AllowsColumnReorder="{Binding View.AllowsColumnReorder, RelativeSource={RelativeSource AncestorType=ListView}}" ColumnHeaderContainerStyle="{Binding View.ColumnHeaderContainerStyle, RelativeSource={RelativeSource AncestorType=ListView}}" ColumnHeaderToolTip="{Binding View.ColumnHeaderToolTip, RelativeSource={RelativeSource AncestorType=ListView}}" ColumnHeaderContextMenu="{Binding View.ColumnHeaderContextMenu, RelativeSource={RelativeSource AncestorType=ListView}}" ColumnHeaderTemplate="{Binding View.ColumnHeaderTemplate, RelativeSource={RelativeSource AncestorType=ListView}}" ColumnHeaderTemplateSelector="{Binding View.ColumnHeaderTemplateSelector, RelativeSource={RelativeSource AncestorType=ListView}}" Columns="{Binding View.Columns, RelativeSource={RelativeSource AncestorType=ListView}}" Margin="2,0" SnapsToDevicePixels="{TemplateBinding SnapsToDevicePixels}" />
                                             </ScrollViewer>
@@ -75,6 +75,9 @@
                                         <EventTrigger RoutedEvent="MouseLeave">
                                             <BeginStoryboard Storyboard="{StaticResource Storyboard2}" />
                                         </EventTrigger>
+                                        <DataTrigger Binding="{Binding Path=View, RelativeSource={RelativeSource AncestorType=ListView}}" Value="{x:Null}">
+                                            <Setter TargetName="Header" Property="Visibility" Value="Collapsed" />
+                                        </DataTrigger>
                                     </ControlTemplate.Triggers>
                                 </ControlTemplate>
                             </ScrollViewer.Template>
@@ -85,7 +88,7 @@
             </Setter.Value>
         </Setter>
         <Style.Triggers>
-            <Trigger Property="View" Value="{x:Null}">
+            <Trigger Property="HasItems" Value="False">
                 <Setter Property="Template">
                     <Setter.Value>
                         <ControlTemplate TargetType="ListView">
diff --git a/src/Net_40/HandyControl_Net_40/Themes/Theme.xaml b/src/Net_40/HandyControl_Net_40/Themes/Theme.xaml
index 8b417c6b..d6f1de9f 100644
--- a/src/Net_40/HandyControl_Net_40/Themes/Theme.xaml
+++ b/src/Net_40/HandyControl_Net_40/Themes/Theme.xaml
@@ -12807,7 +12807,7 @@
 											<RowDefinition Height="*" />
 											<RowDefinition Height="Auto" />
 										</Grid.RowDefinitions>
-										<DockPanel Grid.ColumnSpan="2">
+										<DockPanel Grid.ColumnSpan="2" x:Name="Header">
 											<ScrollViewer DockPanel.Dock="Top" HorizontalScrollBarVisibility="Hidden" VerticalScrollBarVisibility="Hidden" Focusable="false">
 												<GridViewHeaderRowPresenter AllowsColumnReorder="{Binding View.AllowsColumnReorder, RelativeSource={RelativeSource AncestorType=ListView}}" ColumnHeaderContainerStyle="{Binding View.ColumnHeaderContainerStyle, RelativeSource={RelativeSource AncestorType=ListView}}" ColumnHeaderToolTip="{Binding View.ColumnHeaderToolTip, RelativeSource={RelativeSource AncestorType=ListView}}" ColumnHeaderContextMenu="{Binding View.ColumnHeaderContextMenu, RelativeSource={RelativeSource AncestorType=ListView}}" ColumnHeaderTemplate="{Binding View.ColumnHeaderTemplate, RelativeSource={RelativeSource AncestorType=ListView}}" ColumnHeaderTemplateSelector="{Binding View.ColumnHeaderTemplateSelector, RelativeSource={RelativeSource AncestorType=ListView}}" Columns="{Binding View.Columns, RelativeSource={RelativeSource AncestorType=ListView}}" Margin="2,0" SnapsToDevicePixels="{TemplateBinding SnapsToDevicePixels}" />
 											</ScrollViewer>
@@ -12830,6 +12830,9 @@
 										<EventTrigger RoutedEvent="MouseLeave">
 											<BeginStoryboard Storyboard="{StaticResource Storyboard2}" />
 										</EventTrigger>
+										<DataTrigger Binding="{Binding Path=View, RelativeSource={RelativeSource AncestorType=ListView}}" Value="{x:Null}">
+											<Setter TargetName="Header" Property="Visibility" Value="Collapsed" />
+										</DataTrigger>
 									</ControlTemplate.Triggers>
 								</ControlTemplate>
 							</ScrollViewer.Template>
@@ -12840,7 +12843,7 @@
 			</Setter.Value>
 		</Setter>
 		<Style.Triggers>
-			<Trigger Property="View" Value="{x:Null}">
+			<Trigger Property="HasItems" Value="False">
 				<Setter Property="Template">
 					<Setter.Value>
 						<ControlTemplate TargetType="ListView">
diff --git a/src/Shared/HandyControl_Shared/Themes/Styles/ListView.xaml b/src/Shared/HandyControl_Shared/Themes/Styles/ListView.xaml
index c664119c..53714cca 100644
--- a/src/Shared/HandyControl_Shared/Themes/Styles/ListView.xaml
+++ b/src/Shared/HandyControl_Shared/Themes/Styles/ListView.xaml
@@ -52,7 +52,7 @@
                                             <RowDefinition Height="*" />
                                             <RowDefinition Height="Auto" />
                                         </Grid.RowDefinitions>
-                                        <DockPanel Grid.ColumnSpan="2">
+                                        <DockPanel Grid.ColumnSpan="2" x:Name="Header">
                                             <ScrollViewer DockPanel.Dock="Top" HorizontalScrollBarVisibility="Hidden" VerticalScrollBarVisibility="Hidden" Focusable="false">
                                                 <GridViewHeaderRowPresenter AllowsColumnReorder="{Binding View.AllowsColumnReorder, RelativeSource={RelativeSource AncestorType=ListView}}" ColumnHeaderContainerStyle="{Binding View.ColumnHeaderContainerStyle, RelativeSource={RelativeSource AncestorType=ListView}}" ColumnHeaderToolTip="{Binding View.ColumnHeaderToolTip, RelativeSource={RelativeSource AncestorType=ListView}}" ColumnHeaderContextMenu="{Binding View.ColumnHeaderContextMenu, RelativeSource={RelativeSource AncestorType=ListView}}" ColumnHeaderTemplate="{Binding View.ColumnHeaderTemplate, RelativeSource={RelativeSource AncestorType=ListView}}" ColumnHeaderTemplateSelector="{Binding View.ColumnHeaderTemplateSelector, RelativeSource={RelativeSource AncestorType=ListView}}" Columns="{Binding View.Columns, RelativeSource={RelativeSource AncestorType=ListView}}" Margin="2,0" SnapsToDevicePixels="{TemplateBinding SnapsToDevicePixels}" />
                                             </ScrollViewer>
@@ -75,6 +75,9 @@
                                         <EventTrigger RoutedEvent="MouseLeave">
                                             <BeginStoryboard Storyboard="{StaticResource Storyboard2}" />
                                         </EventTrigger>
+                                        <DataTrigger Binding="{Binding Path=View, RelativeSource={RelativeSource AncestorType=ListView}}" Value="{x:Null}">
+                                            <Setter TargetName="Header" Property="Visibility" Value="Collapsed" />
+                                        </DataTrigger>
                                     </ControlTemplate.Triggers>
                                 </ControlTemplate>
                             </ScrollViewer.Template>
@@ -92,7 +95,7 @@
                 </MultiTrigger.Conditions>
                 <Setter Property="ScrollViewer.CanContentScroll" Value="false" />
             </MultiTrigger>
-            <Trigger Property="View" Value="{x:Null}">
+            <Trigger Property="HasItems" Value="False">
                 <Setter Property="Template">
                     <Setter.Value>
                         <ControlTemplate TargetType="ListView">
diff --git a/src/Shared/HandyControl_Shared/Themes/Theme.xaml b/src/Shared/HandyControl_Shared/Themes/Theme.xaml
index fd777b2f..1226a0e7 100644
--- a/src/Shared/HandyControl_Shared/Themes/Theme.xaml
+++ b/src/Shared/HandyControl_Shared/Themes/Theme.xaml
@@ -12952,7 +12952,7 @@
 											<RowDefinition Height="*" />
 											<RowDefinition Height="Auto" />
 										</Grid.RowDefinitions>
-										<DockPanel Grid.ColumnSpan="2">
+										<DockPanel Grid.ColumnSpan="2" x:Name="Header">
 											<ScrollViewer DockPanel.Dock="Top" HorizontalScrollBarVisibility="Hidden" VerticalScrollBarVisibility="Hidden" Focusable="false">
 												<GridViewHeaderRowPresenter AllowsColumnReorder="{Binding View.AllowsColumnReorder, RelativeSource={RelativeSource AncestorType=ListView}}" ColumnHeaderContainerStyle="{Binding View.ColumnHeaderContainerStyle, RelativeSource={RelativeSource AncestorType=ListView}}" ColumnHeaderToolTip="{Binding View.ColumnHeaderToolTip, RelativeSource={RelativeSource AncestorType=ListView}}" ColumnHeaderContextMenu="{Binding View.ColumnHeaderContextMenu, RelativeSource={RelativeSource AncestorType=ListView}}" ColumnHeaderTemplate="{Binding View.ColumnHeaderTemplate, RelativeSource={RelativeSource AncestorType=ListView}}" ColumnHeaderTemplateSelector="{Binding View.ColumnHeaderTemplateSelector, RelativeSource={RelativeSource AncestorType=ListView}}" Columns="{Binding View.Columns, RelativeSource={RelativeSource AncestorType=ListView}}" Margin="2,0" SnapsToDevicePixels="{TemplateBinding SnapsToDevicePixels}" />
 											</ScrollViewer>
@@ -12975,6 +12975,9 @@
 										<EventTrigger RoutedEvent="MouseLeave">
 											<BeginStoryboard Storyboard="{StaticResource Storyboard2}" />
 										</EventTrigger>
+										<DataTrigger Binding="{Binding Path=View, RelativeSource={RelativeSource AncestorType=ListView}}" Value="{x:Null}">
+											<Setter TargetName="Header" Property="Visibility" Value="Collapsed" />
+										</DataTrigger>
 									</ControlTemplate.Triggers>
 								</ControlTemplate>
 							</ScrollViewer.Template>
@@ -12992,7 +12995,7 @@
 				</MultiTrigger.Conditions>
 				<Setter Property="ScrollViewer.CanContentScroll" Value="false" />
 			</MultiTrigger>
-			<Trigger Property="View" Value="{x:Null}">
+			<Trigger Property="HasItems" Value="False">
 				<Setter Property="Template">
 					<Setter.Value>
 						<ControlTemplate TargetType="ListView">