default icon for the RatingBar

Author: spiegelp

MainDemo.Wpf/Buttons.xaml

@@ -155,7 +155,7 @@
         <TextBlock Margin="0 24 0 0" Grid.Row="9">Rating bar</TextBlock>
         <StackPanel Grid.Row="10" Margin="0 16 0 0" Orientation="Horizontal">
             <wpf:RatingBar x:Name="ratingBar" MaxRating="5" Rating="2">
-                <wpf:RatingBar.ButtonContentTemplate>
+                <wpf:RatingBar.RatingItemTemplate>
                     <DataTemplate>
                         <Viewbox Width="21" Height="21">
                             <Canvas Width="24" Height="24">
@@ -164,23 +164,12 @@
                             </Canvas>
                         </Viewbox>
                     </DataTemplate>
-                </wpf:RatingBar.ButtonContentTemplate>
+                </wpf:RatingBar.RatingItemTemplate>
             </wpf:RatingBar>
             <TextBlock Text="Rating: " VerticalAlignment="Center" Margin="10,0,0,0" />
             <TextBlock x:Name="ratingTextBlock" Text="{Binding Path=Rating, Mode=OneWay, UpdateSourceTrigger=PropertyChanged}" VerticalAlignment="Center" />
-            <wpf:RatingBar MaxRating="7" Rating="5" IsEnabled="False" Margin="20,0,0,0" Width="224">
-                <wpf:RatingBar.ButtonContentTemplate>
-                    <DataTemplate>
-                        <Viewbox Width="21" Height="21">
-                            <Canvas Width="24" Height="24">
-                                <Path Data="M12,21.35L10.55,20.03C5.4,15.36 2,12.27 2,8.5C2,5.41 4.42,3 7.5,3C9.24,3 10.91,3.81 12,5.08C13.09,3.81 14.76,3 16.5,3C19.58,3 22,5.41 22,8.5C22,12.27 18.6,15.36 13.45,20.03L12,21.35Z" 
-                                        Fill="{StaticResource PrimaryHueMidBrush}" />
-                            </Canvas>
-                        </Viewbox>
-                    </DataTemplate>
-                </wpf:RatingBar.ButtonContentTemplate>
-            </wpf:RatingBar>
-            <TextBlock Text="disabled" VerticalAlignment="Center" Margin="10,0,0,0" />
+            <wpf:RatingBar MaxRating="7" Rating="5" IsEnabled="False" Margin="20,0,0,0" Width="224" />
+                <TextBlock Text="disabled" VerticalAlignment="Center" Margin="10,0,0,0" />
         </StackPanel>
     </Grid>
 </UserControl>

MaterialDesignThemes.Wpf/RatingBar.cs

@@ -17,19 +17,6 @@ public class RatingBar : Control
     {
         private const string RatingBarGridPartName = "PART_ratingBarGrid";
 
-        private static readonly DependencyProperty ButtonContentTemplateProperty = DependencyProperty.Register("ButtonContentTemplate", typeof(DataTemplate), typeof(RatingBar));
-
-        public DataTemplate ButtonContentTemplate
-        {
-            get { return (DataTemplate)GetValue(ButtonContentTemplateProperty); }
-
-            set {
-                SetValue(ButtonContentTemplateProperty, value);
-
-                RebuildUi();
-            }
-        }
-
         public static readonly DependencyProperty MaxValueProperty = DependencyProperty.Register("MaxRating", typeof(int), typeof(RatingBar));
 
         public int MaxRating
@@ -75,6 +62,20 @@ public int Rating
             }
         }
 
+        private static readonly DependencyProperty RatingItemTemplateProperty = DependencyProperty.Register("RatingItemTemplate", typeof(DataTemplate), typeof(RatingBar));
+
+        public DataTemplate RatingItemTemplate
+        {
+            get { return (DataTemplate)GetValue(RatingItemTemplateProperty); }
+
+            set
+            {
+                SetValue(RatingItemTemplateProperty, value);
+
+                RebuildUi();
+            }
+        }
+
         private Button[] _ratingButtons;
 
         static RatingBar()
@@ -124,7 +125,7 @@ private void RebuildUi()
                 for (int i = 0; i < MaxRating; i++)
                 {
                     Button button = new Button();
-                    button.ContentTemplate = ButtonContentTemplate;
+                    button.ContentTemplate = RatingItemTemplate;
 
                     button.DataContext = this;
                     Binding enabledBinding = new Binding("IsEnabled");

MaterialDesignThemes.Wpf/Themes/MaterialDesignTheme.RatingBar.xaml

@@ -16,6 +16,18 @@
                 </ControlTemplate>
             </Setter.Value>
         </Setter>
+        <Setter Property="RatingItemTemplate">
+            <Setter.Value>
+            <DataTemplate>
+                    <Viewbox Width="21" Height="21">
+                        <Canvas Width="24" Height="24">
+                            <Path Data="M12,17.27L18.18,21L16.54,13.97L22,9.24L14.81,8.62L12,2L9.19,8.62L2,9.24L7.45,13.97L5.82,21L12,17.27Z"
+                          Fill="Black" />
+                        </Canvas>
+                    </Viewbox>
+                </DataTemplate>
+            </Setter.Value>
+        </Setter>
     </Style>
 
 </ResourceDictionary>