Snackbar adapted to https://material.io/components/snackbars#specs (#1796)

Author: greuelpirat

MainDemo.Wpf/Snackbars.xaml

@@ -178,7 +178,7 @@
                         <materialDesign:Snackbar IsActive="True"
                                                  ActionButtonStyle="{StaticResource MaterialDesignSnackbarActionMidButton}"
                                                  ActionButtonPlacement="Inline">
-                            <materialDesign:SnackbarMessage Content="Primary Mid" ActionContent="MID" />
+                            <materialDesign:SnackbarMessage Content="Primary Mid - Lorem ipsum dolor sit amet, consectetur adipiscing elit, sed do eiusmod tempor incididunt ut labore et dolore magna aliqua." ActionContent="MID" />
                         </materialDesign:Snackbar>
                     </smtx:XamlDisplay>
                     <smtx:XamlDisplay Key="snackbar_9" Margin="0 8 0 0">

MaterialDesignThemes.Wpf/Themes/MaterialDesignTheme.Snackbar.xaml

@@ -26,8 +26,9 @@
         <Setter Property="BorderThickness" Value="1" />
         <Setter Property="HorizontalContentAlignment" Value="Center" />
         <Setter Property="VerticalContentAlignment" Value="Center" />
-        <Setter Property="Padding" Value="24 0 24 0" />
-        <Setter Property="Margin" Value="24 -14 -24 -14" />
+        <Setter Property="Height" Value="36" />
+        <Setter Property="Margin" Value="8 -10 -8 -10" />
+        <Setter Property="Padding" Value="8" />
         <Setter Property="Template">
             <Setter.Value>
                 <ControlTemplate TargetType="{x:Type Button}">
@@ -46,8 +47,7 @@
                             <Setter Property="Opacity" Value="0.23" />
                         </Trigger>
                         <Trigger Property="DockPanel.Dock" Value="Bottom">
-                            <Setter Property="Margin" Value="24 0 -24 -14" />
-                            <Setter Property="Padding" Value="24 8 24 8" />
+                            <Setter Property="Margin" Value="0 18 -8 -8" />
                         </Trigger>
                     </ControlTemplate.Triggers>
                 </ControlTemplate>
@@ -69,10 +69,11 @@
 
     <Style TargetType="wpf:SnackbarMessage">
         <Setter Property="HorizontalContentAlignment" Value="Left" />
+        <Setter Property="Margin" Value="16" />
         <Setter Property="Template">
             <Setter.Value>
                 <ControlTemplate TargetType="wpf:SnackbarMessage">
-                    <DockPanel MaxHeight="{Binding RelativeSource={RelativeSource AncestorType={x:Type wpf:Snackbar}}, Path=(wpf:SnackbarMessage.ContentMaxHeight)}">
+                    <DockPanel>
                         <!-- will become a Panel to wrap a "pretend" button -->
                         <Button x:Name="PART_ActionButton"
                                 Command="{TemplateBinding ActionCommand}"
@@ -98,10 +99,11 @@
                                           ContentTemplate="{TemplateBinding ContentTemplate}"
                                           ContentStringFormat="{TemplateBinding ContentStringFormat}"
                                           ContentTemplateSelector="{TemplateBinding ContentTemplateSelector}"
-                                          HorizontalAlignment="{TemplateBinding HorizontalContentAlignment}">
+                                          HorizontalAlignment="{TemplateBinding HorizontalContentAlignment}"
+                                          MaxHeight="{Binding RelativeSource={RelativeSource AncestorType={x:Type wpf:Snackbar}}, Path=(wpf:SnackbarMessage.ContentMaxHeight)}">
                             <ContentPresenter.Resources>
                                 <DataTemplate DataType="{x:Type system:String}">
-                                    <TextBlock Text="{Binding}">
+                                    <TextBlock Text="{Binding}" Padding="0">
                                         <TextBlock.Style>
                                             <Style TargetType="{x:Type TextBlock}" BasedOn="{StaticResource MaterialDesignBody1TextBlock}">
                                                 <Setter Property="FontSize" Value="14" />
@@ -129,10 +131,9 @@
         <Setter Property="ActionButtonStyle" Value="{StaticResource MaterialDesignSnackbarActionButton}" />
         <Setter Property="MinWidth" Value="288" />
         <Setter Property="MaxWidth" Value="568" />
-        <Setter Property="Padding" Value="24 14 24 14" />
         <Setter Property="ClipToBounds" Value="True" />
-        <Setter Property="wpf:SnackbarMessage.InlineActionButtonMaxHeight" Value="53" />
-        <Setter Property="wpf:SnackbarMessage.ContentMaxHeight" Value="61" />
+        <Setter Property="wpf:SnackbarMessage.InlineActionButtonMaxHeight" Value="49" />
+        <Setter Property="wpf:SnackbarMessage.ContentMaxHeight" Value="36" />
         <Setter Property="Template">
             <Setter.Value>
                 <ControlTemplate TargetType="wpf:Snackbar">
@@ -170,9 +171,9 @@
                             </MultiBinding>
                         </StackPanel.Height>
                         <Border x:Name="ContentBorder"
-                                Background="{TemplateBinding Background}" CornerRadius="2" SnapsToDevicePixels="True"
+                                Background="{TemplateBinding Background}" CornerRadius="3" SnapsToDevicePixels="True"
                                 VerticalAlignment="Stretch"
-                                MinHeight="24">
+                                MinHeight="48">
                             <ContentPresenter Content="{TemplateBinding Message}"
                                               VerticalAlignment="{TemplateBinding VerticalContentAlignment}"
                                               Margin="{TemplateBinding Padding}"