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Stili e modelli di NavigationWindow

  • Articolo

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

Nella tabella seguente sono elencati i componenti denominati per il controllo NavigationWindow.

Parte Digitare Descrizione
PART_NavWinCP ContentPresenter Area per il contenuto.

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

VisualState Nome Nome VisualStateGroup Descrizione
Valido Stati di Validazione Il controllo utilizza la classe Validation e la proprietà associata Validation.HasError è false.
Messa a fuoco non valida StatiDiValidazione La proprietà associata Validation.HasError indica se il controllo ha lo stato attivo true.
Non valido quando non è a fuoco StatiDiValidazione La proprietà associata Validation.HasError è true se il controllo non ha lo stato attivo.

Anche se questo esempio contiene tutti gli elementi definiti nella ControlTemplate di un 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>

Nell'esempio precedente viene utilizzata una o più delle risorse seguenti.

<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 Stilizzazione con ControlTemplates Esempio.

Vedere anche