Convert queue expand/collapse button text to images (rmcrackan/Libation#339)

Source/LibationAvalonia/LibationAvalonia.csproj

@@ -31,6 +31,8 @@
 	<ItemGroup>
 		<AvaloniaResource Include="Assets\**" />
 		<None Remove=".gitignore" />
+		<None Remove="Assets\Arrows_left.png" />
+		<None Remove="Assets\Arrows_right.png" />
 		<None Remove="Assets\Asterisk.png" />
 		<None Remove="Assets\cancel.png" />
 		<None Remove="Assets\completed.png" />

Source/LibationAvalonia/ViewModels/MainWindowViewModel.cs

@@ -1,4 +1,5 @@
 using ApplicationServices;
+using Avalonia.Media.Imaging;
 using Dinah.Core;
 using LibationFileManager;
 using ReactiveUI;
@@ -135,15 +136,9 @@ namespace LibationAvalonia.ViewModels
 			set
 			{
 				this.RaiseAndSetIfChanged(ref _queueOpen, value);
-				QueueHideButtonText = _queueOpen? "❱❱❱" : "❰❰❰";
-				this.RaisePropertyChanged(nameof(QueueHideButtonText));
 			}
 		}
 
-		/// <summary> The Process Queue's Expand/Collapse button display text </summary>
-		public string QueueHideButtonText { get; private set; }
-
-
 
 		/// <summary> The number of books visible in the Product Display </summary>
 		public int VisibleCount

Source/LibationAvalonia/Views/MainWindow.axaml

@@ -173,7 +173,12 @@
 
 				<StackPanel Grid.Column="2" Height="30" Orientation="Horizontal">
 					<Button Click="filterBtn_Click" Height="30" HorizontalContentAlignment="Center" VerticalContentAlignment="Center" Content="Filter"/>
-					<Button Padding="5,0,5,0" Click="ToggleQueueHideBtn_Click" Content="{Binding QueueHideButtonText}"/>
+					<Button Padding="5,0,5,0" Click="ToggleQueueHideBtn_Click">
+						<Panel>
+							<Image Stretch="None" IsVisible="{Binding !QueueOpen}" Source="/Assets/Arrows_left.png" />
+							<Image Stretch="None" IsVisible="{Binding QueueOpen}" Source="/Assets/Arrows_right.png" />
+						</Panel>
+					</Button>
 				</StackPanel>
 
 			</Grid>