Display conditions - Seperate list conditions into their own type

src/Artemis.UI/PropertyInput/BrushPropertyInputView.xaml

@@ -6,17 +6,18 @@
              xmlns:materialDesign="http://materialdesigninxaml.net/winfx/xaml/themes"
              xmlns:propertyInput="clr-namespace:Artemis.UI.PropertyInput"
              xmlns:layerBrush="clr-namespace:Artemis.Core.Plugins.LayerBrush;assembly=Artemis.Core"
+             xmlns:dataTemplateSelectors="clr-namespace:Artemis.UI.DataTemplateSelectors"
              mc:Ignorable="d"
              d:DesignHeight="450" d:DesignWidth="800"
              d:DataContext="{d:DesignInstance {x:Type propertyInput:BrushPropertyInputViewModel}}">
     <UserControl.Resources>
-        <ControlTemplate x:Key="SimpleTemplate">
+        <DataTemplate x:Key="SimpleTemplate">
             <StackPanel d:DataContext="{d:DesignInstance {x:Type layerBrush:LayerBrushDescriptor}}" Orientation="Horizontal">
                 <materialDesign:PackIcon Kind="{Binding Icon}" Height="13" Width="13" Margin="0 1 3 0" />
                 <TextBlock Text="{Binding DisplayName}" />
             </StackPanel>
-        </ControlTemplate>
-        <ControlTemplate x:Key="ExtendedTemplate">
+        </DataTemplate>
+        <DataTemplate x:Key="ExtendedTemplate">
             <Grid d:DataContext="{d:DesignInstance {x:Type layerBrush:LayerBrushDescriptor}}">
                 <Grid.ColumnDefinitions>
                     <ColumnDefinition Width="Auto" />
@@ -30,15 +31,8 @@
                 <TextBlock Grid.Row="0" Grid.Column="1" Text="{Binding DisplayName}" TextWrapping="Wrap" MaxWidth="350" />
                 <TextBlock Grid.Row="1" Grid.Column="1" Text="{Binding Description}" TextWrapping="Wrap" MaxWidth="350" Foreground="{DynamicResource MaterialDesignNavigationItemSubheader}" />
             </Grid>
-        </ControlTemplate>
-        <DataTemplate x:Key="DescriptorTemplate">
-            <Control x:Name="TemplateControl" Focusable="False" Template="{StaticResource ExtendedTemplate}" />
-            <DataTemplate.Triggers>
-                <DataTrigger Binding="{Binding RelativeSource={RelativeSource Mode=FindAncestor, AncestorType={x:Type ComboBoxItem}}, Path=IsSelected}" Value="{x:Null}">
-                    <Setter TargetName="TemplateControl" Property="Template" Value="{StaticResource SimpleTemplate}" />
-                </DataTrigger>
-            </DataTemplate.Triggers>
         </DataTemplate>
+
     </UserControl.Resources>
     <StackPanel Orientation="Horizontal">
         <TextBlock Width="10" Text="{Binding LayerProperty.PropertyDescription.InputPrefix}" />
@@ -51,7 +45,9 @@
                   HorizontalAlignment="Left"
                   ItemsSource="{Binding Path=Descriptors}"
                   SelectedValue="{Binding Path=SelectedDescriptor}"
-                  ItemTemplate="{StaticResource DescriptorTemplate}" />
+                  ItemTemplateSelector="{dataTemplateSelectors:ComboBoxTemplateSelector
+                                         SelectedItemTemplate={StaticResource SimpleTemplate},
+                                         DropdownItemsTemplate={StaticResource ExtendedTemplate}}" />
         <TextBlock Width="10" Text="{Binding LayerProperty.PropertyDescription.InputAffix}" />
     </StackPanel>
 </UserControl>