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Stili e modelli di NavigationWindow

In questo argomento vengono descritti gli stili e i modelli per il NavigationWindow controllo . È possibile modificare l'impostazione predefinita ControlTemplate per assegnare al controllo un aspetto univoco. Per altre informazioni, vedere Creare un modello per un controllo .

Nella tabella seguente sono elencate le parti denominate per il NavigationWindow controllo .

In parte Type Descrizione
PART_NavWinCP ContentPresenter Area per il contenuto.

Nella tabella seguente sono elencati gli stati di visualizzazione per il NavigationWindow controllo .

Nome VisualState Nome VisualStateGroup Descrizione
Valido ValidationStates Il controllo usa la Validation classe e la Validation.HasError proprietà associata è false.
InvalidFocused ValidationStates La Validation.HasError proprietà associata ha true lo stato attivo.
InvalidUnfocused ValidationStates La Validation.HasError proprietà associata è true che il controllo non ha lo stato attivo.

Anche se questo esempio contiene tutti gli elementi definiti in ControlTemplate di un oggetto NavigationWindow per impostazione predefinita, i valori specifici devono essere considerati come esempi.

<Style x:Key="NavWinButtonStyle"
       TargetType="{x:Type Button}">
  <Setter Property="OverridesDefaultStyle"
          Value="true" />
  <Setter Property="Command"
          Value="NavigationCommands.BrowseBack" />
  <Setter Property="Focusable"
          Value="false" />
  <Setter Property="Template">
    <Setter.Value>
      <ControlTemplate TargetType="{x:Type Button}">
        <Grid>
          <VisualStateManager.VisualStateGroups>
            <VisualStateGroup x:Name="CommonStates">
              <VisualState x:Name="Normal" />
              <VisualState x:Name="MouseOver">
                <Storyboard>
                  <ColorAnimationUsingKeyFrames Storyboard.TargetName="Ellipse"
                                                Storyboard.TargetProperty="(Shape.Fill).
                    (GradientBrush.GradientStops)[1].(GradientStop.Color)">
                    <EasingColorKeyFrame KeyTime="0"
                                         Value="{StaticResource ControlMouseOverColor}" />
                  </ColorAnimationUsingKeyFrames>
                </Storyboard>
              </VisualState>
              <VisualState x:Name="Pressed">
                <Storyboard>
                  <ColorAnimationUsingKeyFrames Storyboard.TargetName="Ellipse"
                                                Storyboard.TargetProperty="(Shape.Fill).
                    (GradientBrush.GradientStops)[1].(GradientStop.Color)">
                    <EasingColorKeyFrame KeyTime="0"
                                         Value="{StaticResource ControlPressedColor}" />
                  </ColorAnimationUsingKeyFrames>
                </Storyboard>
              </VisualState>
              <VisualState x:Name="Disabled">
                <Storyboard>
                  <ColorAnimationUsingKeyFrames Storyboard.TargetName="Ellipse"
                                                Storyboard.TargetProperty="(Shape.Fill).
                    (GradientBrush.GradientStops)[1].(GradientStop.Color)">
                    <EasingColorKeyFrame KeyTime="0"
                                         Value="{StaticResource DisabledControlDarkColor}" />
                  </ColorAnimationUsingKeyFrames>
                  <ColorAnimationUsingKeyFrames Storyboard.TargetName="Arrow"
                                                Storyboard.TargetProperty="(Shape.Fill).
                    (SolidColorBrush.Color)">
                    <EasingColorKeyFrame KeyTime="0"
                                         Value="{StaticResource DisabledForegroundColor}" />
                  </ColorAnimationUsingKeyFrames>
                </Storyboard>

              </VisualState>
            </VisualStateGroup>
          </VisualStateManager.VisualStateGroups>
          <Ellipse x:Name="Ellipse"
                   StrokeThickness="1"
                   Width="24"
                   Height="24">
            <Ellipse.Stroke>
              <SolidColorBrush Color="{DynamicResource NavButtonFrameColor}" />
            </Ellipse.Stroke>
            <Ellipse.Fill>
              <LinearGradientBrush StartPoint="0,0"
                                   EndPoint="0,1">
                <LinearGradientBrush.GradientStops>
                  <GradientStopCollection>
                    <GradientStop Color="{DynamicResource ControlLightColor}" />
                    <GradientStop Color="{DynamicResource ControlMediumColor}"
                                  Offset="1.0" />
                  </GradientStopCollection>
                </LinearGradientBrush.GradientStops>
              </LinearGradientBrush>

            </Ellipse.Fill>
          </Ellipse>
          <Path x:Name="Arrow"
                Margin="0,0,3,0"
                HorizontalAlignment="Center"
                VerticalAlignment="Center"
                Data="M 6 0 L 0 6 L 6 12 Z">
            <Path.Fill>
              <SolidColorBrush Color="{DynamicResource GlyphColor}" />
            </Path.Fill>
          </Path>
        </Grid>
        <ControlTemplate.Triggers>
          <Trigger Property="Command"
                   Value="{x:Static NavigationCommands.BrowseForward}">
            <Setter TargetName="Arrow"
                    Property="Data"
                    Value="M 0 0 L 6 6 L 0 12 z" />
            <Setter TargetName="Arrow"
                    Property="Margin"
                    Value="3,0,0,0" />
          </Trigger>
        </ControlTemplate.Triggers>
      </ControlTemplate>
    </Setter.Value>
  </Setter>
</Style>

<!-- NavWin Menu Style -->
<Style x:Key="NavWinMenu"
       TargetType="{x:Type Menu}">
  <Setter Property="OverridesDefaultStyle"
          Value="true" />
  <Setter Property="KeyboardNavigation.TabNavigation"
          Value="None" />
  <Setter Property="IsMainMenu"
          Value="false" />
  <Setter Property="Template">
    <Setter.Value>
      <ControlTemplate TargetType="{x:Type Menu}">
        <DockPanel IsItemsHost="true" />
      </ControlTemplate>
    </Setter.Value>
  </Setter>
</Style>

<!-- NavWin Menu Header Style -->
<Style x:Key="NavWinHeaderMenuItem"
       TargetType="{x:Type MenuItem}">
  <Setter Property="OverridesDefaultStyle"
          Value="true" />
  <Setter Property="Template">
    <Setter.Value>
      <ControlTemplate TargetType="{x:Type MenuItem}">
        <Grid>
          <Popup x:Name="PART_Popup"
                 Placement="Bottom"
                 VerticalOffset="2"
                 IsOpen="{TemplateBinding IsSubmenuOpen}"
                 AllowsTransparency="True"
                 Focusable="False"
                 PopupAnimation="Fade">
            <Border x:Name="SubMenuBorder"
                    Background="{DynamicResource MenuPopupBrush}"
                    BorderThickness="1">
              <Border.BorderBrush>
                <SolidColorBrush Color="{DynamicResource BorderMediumColor}" />
              </Border.BorderBrush>
              <StackPanel IsItemsHost="true"
                          Margin="2"
                          KeyboardNavigation.TabNavigation="Cycle"
                          KeyboardNavigation.DirectionalNavigation="Cycle" />
            </Border>
          </Popup>

          <Grid x:Name="Panel"
                Width="24"
                Background="Transparent"
                HorizontalAlignment="Right"
                VerticalAlignment="Stretch"
                d:IsHidden="True">

            <Border Visibility="Hidden"
                    x:Name="HighlightBorder"
                    BorderThickness="1"
                    CornerRadius="2">
              <Border.BorderBrush>
                <LinearGradientBrush StartPoint="0,0"
                                     EndPoint="0,1">
                  <LinearGradientBrush.GradientStops>
                    <GradientStopCollection>
                      <GradientStop Color="{DynamicResource BorderLightColor}"
                                    Offset="0.0" />
                      <GradientStop Color="{DynamicResource BorderDarkColor}"
                                    Offset="1.0" />
                    </GradientStopCollection>
                  </LinearGradientBrush.GradientStops>
                </LinearGradientBrush>

              </Border.BorderBrush>
              <Border.Background>
                <LinearGradientBrush StartPoint="0,0"
                                     EndPoint="0,1">
                  <LinearGradientBrush.GradientStops>
                    <GradientStopCollection>
                      <GradientStop Color="{DynamicResource ControlLightColor}" />
                      <GradientStop Color="{DynamicResource ControlMouseOverColor}"
                                    Offset="1.0" />
                    </GradientStopCollection>
                  </LinearGradientBrush.GradientStops>
                </LinearGradientBrush>

              </Border.Background>
            </Border>
            <Path x:Name="Arrow"
                  SnapsToDevicePixels="false"
                  HorizontalAlignment="Right"
                  VerticalAlignment="Center"
                  Margin="0,2,4,0"
                  StrokeLineJoin="Round"
                  Data="M 0 0 L 4 4 L 8 0 Z">
              <Path.Fill>
                <SolidColorBrush Color="{DynamicResource GlyphColor}" />
              </Path.Fill>
            </Path>
          </Grid>
        </Grid>
        <ControlTemplate.Triggers>
          <Trigger Property="IsHighlighted"
                   Value="true">
            <Setter TargetName="HighlightBorder"
                    Property="Visibility"
                    Value="Visible" />
          </Trigger>
          <Trigger Property="IsSubmenuOpen"
                   Value="true">
            <Setter TargetName="HighlightBorder"
                    Property="BorderBrush">
              <Setter.Value>
                <LinearGradientBrush StartPoint="0,0"
                                     EndPoint="0,1">
                  <GradientBrush.GradientStops>
                    <GradientStopCollection>
                      <GradientStop Color="{DynamicResource BorderDarkColor}"
                                    Offset="0.0" />
                      <GradientStop Color="{DynamicResource BorderMediumColor}"
                                    Offset="1.0" />
                    </GradientStopCollection>
                  </GradientBrush.GradientStops>
                </LinearGradientBrush>

              </Setter.Value>
            </Setter>
            <Setter Property="Background"
                    TargetName="HighlightBorder">
              <Setter.Value>

                <LinearGradientBrush EndPoint="0,1"
                                     StartPoint="0,0">
                  <GradientStop Color="{DynamicResource ControlLightColor}"
                                Offset="0" />
                  <GradientStop Color="{DynamicResource ControlPressedColor}"
                                Offset="0.984" />
                </LinearGradientBrush>
              </Setter.Value>
            </Setter>
          </Trigger>
        </ControlTemplate.Triggers>
      </ControlTemplate>
    </Setter.Value>
  </Setter>
</Style>

<!-- NavWin Menu Item Style -->

<Style x:Key="NavWinSubmenuItem"
       TargetType="{x:Type MenuItem}">
  <Setter Property="OverridesDefaultStyle"
          Value="true" />
  <Setter Property="Header"
          Value="{Binding (JournalEntry.Name)}" />
  <Setter Property="Command"
          Value="NavigationCommands.NavigateJournal" />
  <Setter Property="CommandTarget"
          Value="{Binding TemplatedParent, RelativeSource={RelativeSource AncestorType={x:Type Menu}}}" />
  <Setter Property="CommandParameter"
          Value="{Binding RelativeSource={RelativeSource Self}}" />
  <Setter Property="JournalEntryUnifiedViewConverter.JournalEntryPosition"
          Value="{Binding (JournalEntryUnifiedViewConverter.JournalEntryPosition)}" />
  <Setter Property="Template">
    <Setter.Value>
      <ControlTemplate TargetType="{x:Type MenuItem}">
        <Border Name="Border"
                BorderThickness="1">
          <Grid x:Name="Panel"
                Background="Transparent"
                SnapsToDevicePixels="true"
                Height="35"
                Width="250">
            <Path x:Name="Glyph"
                  SnapsToDevicePixels="false"
                  Margin="7,5"
                  Width="10"
                  Height="10"
                  HorizontalAlignment="Left"
                  StrokeStartLineCap="Triangle"
                  StrokeEndLineCap="Triangle"
                  StrokeThickness="2">
              <Path.Stroke>
                <SolidColorBrush Color="{DynamicResource GlyphColor}" />
              </Path.Stroke>
            </Path>
            <ContentPresenter ContentSource="Header"
                              Margin="24,5,50,5" />
          </Grid>
        </Border>
        <ControlTemplate.Triggers>
          <Trigger Value="Current"
                   Property="JournalEntryUnifiedViewConverter.JournalEntryPosition">
            <Setter TargetName="Glyph"
                    Property="Data"
                    Value="M 0,5 L 2.5,8 L 7,3 " />
          </Trigger>
          <Trigger Property="IsHighlighted"
                   Value="true">
            <Setter Property="Background"
                    TargetName="Border">
              <Setter.Value>
                <LinearGradientBrush EndPoint="0.5,1"
                                     StartPoint="0.5,0">
                  <GradientStop Color="Transparent"
                                Offset="0" />
                  <GradientStop Color="{DynamicResource ControlMouseOverColor}"
                                Offset="1" />
                </LinearGradientBrush>
              </Setter.Value>
            </Setter>
            <Setter Property="BorderBrush"
                    TargetName="Border">
              <Setter.Value>
                <LinearGradientBrush EndPoint="0.5,1"
                                     StartPoint="0.5,0">
                  <GradientStop Color="{DynamicResource BorderMediumColor}"
                                Offset="0" />
                  <GradientStop Color="Transparent"
                                Offset="1" />
                </LinearGradientBrush>
              </Setter.Value>
            </Setter>
          </Trigger>
          <MultiTrigger>
            <MultiTrigger.Conditions>
              <Condition Property="IsHighlighted"
                         Value="true" />
              <Condition Value="Forward"
                         Property="JournalEntryUnifiedViewConverter.JournalEntryPosition" />
            </MultiTrigger.Conditions>
            <Setter TargetName="Glyph"
                    Property="Data"
                    Value="M 3 1 L 7 5 L 3 9 z" />
            <Setter TargetName="Glyph"
                    Property="Fill">
              <Setter.Value>
                <SolidColorBrush Color="{StaticResource GlyphColor}" />
              </Setter.Value>
            </Setter>
            <Setter TargetName="Glyph"
                    Property="Stroke"
                    Value="{x:Null}" />
          </MultiTrigger>
          <MultiTrigger>
            <MultiTrigger.Conditions>
              <Condition Property="IsHighlighted"
                         Value="true" />
              <Condition Value="Back"
                         Property="JournalEntryUnifiedViewConverter.JournalEntryPosition" />
            </MultiTrigger.Conditions>
            <Setter TargetName="Glyph"
                    Property="Data"
                    Value="M 7 1 L 3 5 L 7 9 z" />
            <Setter TargetName="Glyph"
                    Property="Fill">
              <Setter.Value>
                <SolidColorBrush Color="{StaticResource GlyphColor}" />
              </Setter.Value>
            </Setter>
            <Setter TargetName="Glyph"
                    Property="Stroke"
                    Value="{x:Null}" />
          </MultiTrigger>
        </ControlTemplate.Triggers>
      </ControlTemplate>
    </Setter.Value>
  </Setter>
</Style>

<!-- Merges Back and Forward Navigation Stacks -->

<JournalEntryUnifiedViewConverter x:Key="JournalEntryUnifiedViewConverter" />

<!-- SimpleStyles: NavigationWindow -->

<Style x:Key="{x:Type NavigationWindow}"
       TargetType="{x:Type NavigationWindow}">
  <Setter Property="SnapsToDevicePixels"
          Value="true" />
  <Setter Property="Template">
    <Setter.Value>
      <ControlTemplate TargetType="{x:Type NavigationWindow}">
        <DockPanel>
          <DockPanel.Background>
            <SolidColorBrush Color="{DynamicResource WindowColor}" />
          </DockPanel.Background>
          <Border DockPanel.Dock="Top"
                  Height="30"
                  BorderThickness="1">
            <Border.BorderBrush>
              <SolidColorBrush Color="{DynamicResource BorderMediumColor}" />
            </Border.BorderBrush>
            <Grid>
              <Grid.Background>

                <LinearGradientBrush StartPoint="0,0"
                                     EndPoint="0,1">
                  <LinearGradientBrush.GradientStops>
                    <GradientStopCollection>
                      <GradientStop Color="{DynamicResource ControlLightColor}"
                                    Offset="0.0" />
                      <GradientStop Color="{DynamicResource ControlMediumColor}"
                                    Offset="1.0" />
                    </GradientStopCollection>
                  </LinearGradientBrush.GradientStops>
                </LinearGradientBrush>

              </Grid.Background>
              <Grid.ColumnDefinitions>
                <ColumnDefinition Width="Auto" />
                <ColumnDefinition Width="Auto" />
                <ColumnDefinition Width="16" />
                <ColumnDefinition Width="*" />
              </Grid.ColumnDefinitions>

              <Menu x:Name="NavMenu"
                    Grid.ColumnSpan="3"
                    Height="20"
                    Margin="1,0,0,0"
                    VerticalAlignment="Center"
                    Style="{StaticResource NavWinMenu}">
                <MenuItem Style="{StaticResource NavWinHeaderMenuItem}"
                          ItemContainerStyle="{StaticResource NavWinSubmenuItem}"
                          IsSubmenuOpen="{Binding (MenuItem.IsSubmenuOpen), 
                  Mode=TwoWay, RelativeSource={RelativeSource TemplatedParent}}">
                  <MenuItem.ItemsSource>
                    <MultiBinding Converter="{StaticResource JournalEntryUnifiedViewConverter}">
                      <Binding RelativeSource="{RelativeSource TemplatedParent}"
                               Path="BackStack" />
                      <Binding RelativeSource="{RelativeSource TemplatedParent}"
                               Path="ForwardStack" />
                    </MultiBinding>
                  </MenuItem.ItemsSource>
                </MenuItem>
              </Menu>

              <Path Grid.Column="0"
                    SnapsToDevicePixels="false"
                    IsHitTestVisible="false"
                    Margin="2,1.5,0,1.5"
                    Grid.ColumnSpan="3"
                    StrokeThickness="1"
                    HorizontalAlignment="Left"
                    VerticalAlignment="Center"
                    Data="M22.5767,21.035 Q27,19.37 
                      31.424,21.035 A12.5,12.5,0,0,0,53.5,13
                      A12.5,12.5,0,0,0,37.765,0.926
                      Q27,4.93 16.235,0.926
                      A12.5,12.5,0,0,0,0.5,13 
                      A12.5,12.5,0,0,0,22.5767,21.035 z">
                <Path.Stroke>
                  <SolidColorBrush Color="{DynamicResource BorderMediumColor}" />
                </Path.Stroke>
                <Path.Fill>

                  <LinearGradientBrush EndPoint="0,1"
                                       StartPoint="0,0">
                    <GradientStop Color="{DynamicResource ControlMediumColor}"
                                  Offset="0" />

                    <GradientStop Color="{DynamicResource ControlDarkColor}"
                                  Offset="0.984" />
                  </LinearGradientBrush>
                </Path.Fill>
              </Path>
              <Button Style="{StaticResource NavWinButtonStyle}"
                      Command="NavigationCommands.BrowseBack"
                      Content="M 4 0 L 0 4 L 4 8 Z"
                      Margin="3,1.5,2,1.5"
                      Grid.Column="0" />
              <Button Style="{StaticResource NavWinButtonStyle}"
                      Command="NavigationCommands.BrowseForward"
                      Content="M 4 0 L 0 4 L 4 8 Z"
                      Margin="2,1.5,0,1.5"
                      Grid.Column="1" />
            </Grid>
          </Border>
          <Grid>
            <AdornerDecorator>
              <Border BorderThickness="1">
                <Border.BorderBrush>
                  <SolidColorBrush Color="{DynamicResource BorderMediumColor}" />
                </Border.BorderBrush>
                <ContentPresenter x:Name="PART_NavWinCP"
                                  ClipToBounds="true" />
              </Border>
            </AdornerDecorator>

            <ResizeGrip x:Name="WindowResizeGrip"
                        HorizontalAlignment="Right"
                        VerticalAlignment="Bottom"
                        Visibility="Collapsed"
                        IsTabStop="false" />
          </Grid>
        </DockPanel>
        <ControlTemplate.Triggers>
          <Trigger Property="ResizeMode"
                   Value="CanResizeWithGrip">
            <Setter TargetName="WindowResizeGrip"
                    Property="Visibility"
                    Value="Visible" />
          </Trigger>
        </ControlTemplate.Triggers>
      </ControlTemplate>
    </Setter.Value>
  </Setter>
</Style>

L'esempio precedente usa una o più delle seguenti risorse.

<Style x:Key="{x:Type ResizeGrip}"
       TargetType="{x:Type ResizeGrip}">
  <Setter Property="OverridesDefaultStyle"
          Value="true" />
  <Setter Property="Template">
    <Setter.Value>
      <ControlTemplate TargetType="{x:Type ResizeGrip}">
        <Border Background="Transparent"
                SnapsToDevicePixels="True"
                Width="16"
                Height="16">
          <Rectangle Margin="2">
            <Rectangle.Fill>
              <DrawingBrush Viewport="0,0,4,4"
                            ViewportUnits="Absolute"
                            Viewbox="0,0,8,8"
                            ViewboxUnits="Absolute"
                            TileMode="Tile">
                <DrawingBrush.Drawing>
                  <DrawingGroup>
                    <DrawingGroup.Children>
                      <GeometryDrawing Brush="#FFE8EDF9"
                                       Geometry="M 4 4 L 4 8 L 
                                                 8 8 L 8 4 z" />
                    </DrawingGroup.Children>
                  </DrawingGroup>
                </DrawingBrush.Drawing>
              </DrawingBrush>
            </Rectangle.Fill>
          </Rectangle>
        </Border>
      </ControlTemplate>
    </Setter.Value>
  </Setter>
</Style>
<!--Control colors.-->
<Color x:Key="WindowColor">#FFE8EDF9</Color>
<Color x:Key="ContentAreaColorLight">#FFC5CBF9</Color>
<Color x:Key="ContentAreaColorDark">#FF7381F9</Color>

<Color x:Key="DisabledControlLightColor">#FFE8EDF9</Color>
<Color x:Key="DisabledControlDarkColor">#FFC5CBF9</Color>
<Color x:Key="DisabledForegroundColor">#FF888888</Color>

<Color x:Key="SelectedBackgroundColor">#FFC5CBF9</Color>
<Color x:Key="SelectedUnfocusedColor">#FFDDDDDD</Color>

<Color x:Key="ControlLightColor">White</Color>
<Color x:Key="ControlMediumColor">#FF7381F9</Color>
<Color x:Key="ControlDarkColor">#FF211AA9</Color>

<Color x:Key="ControlMouseOverColor">#FF3843C4</Color>
<Color x:Key="ControlPressedColor">#FF211AA9</Color>


<Color x:Key="GlyphColor">#FF444444</Color>
<Color x:Key="GlyphMouseOver">sc#1, 0.004391443, 0.002428215, 0.242281124</Color>

<!--Border colors-->
<Color x:Key="BorderLightColor">#FFCCCCCC</Color>
<Color x:Key="BorderMediumColor">#FF888888</Color>
<Color x:Key="BorderDarkColor">#FF444444</Color>

<Color x:Key="PressedBorderLightColor">#FF888888</Color>
<Color x:Key="PressedBorderDarkColor">#FF444444</Color>

<Color x:Key="DisabledBorderLightColor">#FFAAAAAA</Color>
<Color x:Key="DisabledBorderDarkColor">#FF888888</Color>

<Color x:Key="DefaultBorderBrushDarkColor">Black</Color>

<!--Control-specific resources.-->
<Color x:Key="HeaderTopColor">#FFC5CBF9</Color>
<Color x:Key="DatagridCurrentCellBorderColor">Black</Color>
<Color x:Key="SliderTrackDarkColor">#FFC5CBF9</Color>

<Color x:Key="NavButtonFrameColor">#FF3843C4</Color>

<LinearGradientBrush x:Key="MenuPopupBrush"
                     EndPoint="0.5,1"
                     StartPoint="0.5,0">
  <GradientStop Color="{DynamicResource ControlLightColor}"
                Offset="0" />
  <GradientStop Color="{DynamicResource ControlMediumColor}"
                Offset="0.5" />
  <GradientStop Color="{DynamicResource ControlLightColor}"
                Offset="1" />
</LinearGradientBrush>

<LinearGradientBrush x:Key="ProgressBarIndicatorAnimatedFill"
                     StartPoint="0,0"
                     EndPoint="1,0">
  <LinearGradientBrush.GradientStops>
    <GradientStopCollection>
      <GradientStop Color="#000000FF"
                    Offset="0" />
      <GradientStop Color="#600000FF"
                    Offset="0.4" />
      <GradientStop Color="#600000FF"
                    Offset="0.6" />
      <GradientStop Color="#000000FF"
                    Offset="1" />
    </GradientStopCollection>
  </LinearGradientBrush.GradientStops>
</LinearGradientBrush>

Per l'esempio completo, vedere Esempio di applicazione di stili con ControlTemplates.

Vedi anche