UWP为Pivot Header创建边框

Question

我使用pivot创建一个包含3个选项的菜单。代码如下。

<Pivot x:Name="menuPivot" Margin="0"  SelectedIndex="0" HorizontalAlignment="Center" VerticalAlignment="Center" Grid.Row="1" Grid.ColumnSpan="2" SelectionChanged="ListView_SelectionChanged">

        <PivotItem Header="Day" VerticalAlignment="Center" HorizontalAlignment="Center" HorizontalContentAlignment="Center" VerticalContentAlignment="Center" Margin="0,0,10,0" />
        <PivotItem Header="Week" VerticalAlignment="Center" HorizontalAlignment="Center" HorizontalContentAlignment="Center" VerticalContentAlignment="Center" Margin="0,0,10,0" />
        <PivotItem Header="Month" VerticalAlignment="Center" HorizontalAlignment="Center" HorizontalContentAlignment="Center" VerticalContentAlignment="Center" Margin="-1,0,0,0" Background="#FFFB0000" BorderBrush="{StaticResource currentThemeColor}" />
    </Pivot>

我需要实现菜单的这种外观：

到目前为止，我已使用以下代码更改了Header的Pivots默认样式：

<Style TargetType="PivotHeaderItem">
    <Setter Property="FontSize" Value="{ThemeResource PivotHeaderItemFontSize}" />
    <Setter Property="FontFamily" Value="{ThemeResource PivotHeaderItemFontFamily}" />
    <Setter Property="FontWeight" Value="{ThemeResource PivotHeaderItemThemeFontWeight}" />
    <Setter Property="CharacterSpacing" Value="{ThemeResource PivotHeaderItemCharacterSpacing}" />
    <Setter Property="Background" Value="Transparent" />
    <Setter Property="Foreground" Value="Gray" />
    <!-- original value {ThemeResource SystemControlForegroundBaseMediumBrush} -->
    <Setter Property="Padding" Value="{ThemeResource PivotHeaderItemMargin}" />
    <Setter Property="Height" Value="48" />
    <Setter Property="VerticalContentAlignment" Value="Center" />
    <Setter Property="HorizontalContentAlignment" Value="Center" />
    <Setter Property="IsTabStop" Value="False" />
    <Setter Property="Template">
        <Setter.Value>
            <ControlTemplate TargetType="PivotHeaderItem">
                <Grid x:Name="Grid" Background="{TemplateBinding Background}">
                    <Grid.Resources>
                        <Style x:Key="BaseContentPresenterStyle" TargetType="ContentPresenter">
                            <Setter Property="FontFamily" Value="Segoe UI" />
                            <Setter Property="FontWeight" Value="SemiBold" />
                            <Setter Property="FontSize" Value="15" />

                            <Setter Property="TextWrapping" Value="Wrap" />
                            <Setter Property="LineStackingStrategy" Value="MaxHeight" />
                            <Setter Property="TextLineBounds" Value="Full" />
                            <Setter Property="OpticalMarginAlignment" Value="TrimSideBearings" />
                        </Style>
                        <Style x:Key="BodyContentPresenterStyle" TargetType="ContentPresenter" BasedOn="{StaticResource BaseContentPresenterStyle}">
                            <Setter Property="FontFamily" Value="{ThemeResource PivotHeaderItemFontFamily}" />
                            <Setter Property="FontWeight" Value="{ThemeResource PivotHeaderItemThemeFontWeight}" />
                            <Setter Property="FontSize" Value="{ThemeResource PivotHeaderItemFontSize}" />

                        </Style>
                    </Grid.Resources>
                    <VisualStateManager.VisualStateGroups>
                        <VisualStateGroup x:Name="SelectionStates">
                            <VisualStateGroup.Transitions>
                                <VisualTransition From="Unselected" To="UnselectedLocked" GeneratedDuration="0:0:0.33" />
                                <VisualTransition From="UnselectedLocked" To="Unselected" GeneratedDuration="0:0:0.33" />
                            </VisualStateGroup.Transitions>
                            <VisualState x:Name="Disabled">
                                <Storyboard>
                                    <ObjectAnimationUsingKeyFrames Storyboard.TargetName="ContentPresenter" Storyboard.TargetProperty="Foreground">
                                        <DiscreteObjectKeyFrame KeyTime="0" Value="{ThemeResource SystemControlDisabledBaseMediumLowBrush}" />
                                    </ObjectAnimationUsingKeyFrames>
                                </Storyboard>
                            </VisualState>
                            <VisualState x:Name="Unselected" />
                            <VisualState x:Name="UnselectedLocked">
                                <Storyboard>
                                    <DoubleAnimation Storyboard.TargetName="ContentPresenterTranslateTransform" Storyboard.TargetProperty="X" Duration="0" To="{ThemeResource PivotHeaderItemLockedTranslation}" />
                                    <DoubleAnimation Storyboard.TargetName="ContentPresenter" Storyboard.TargetProperty="(UIElement.Opacity)" Duration="0" To="0" />
                                </Storyboard>
                            </VisualState>
                            <VisualState x:Name="Selected">
                                <Storyboard>
                                    <ObjectAnimationUsingKeyFrames Storyboard.TargetName="ContentPresenter" Storyboard.TargetProperty="Foreground">
                                        <DiscreteObjectKeyFrame KeyTime="0" Value="{StaticResource currentThemeColor}" />
                                        <!-- original value {ThemeResource SystemControlHighlightAltBaseHighBrush} -->
                                    </ObjectAnimationUsingKeyFrames>
                                    <ObjectAnimationUsingKeyFrames Storyboard.TargetName="Grid" Storyboard.TargetProperty="Background">
                                        <DiscreteObjectKeyFrame KeyTime="0" Value="{ThemeResource SystemControlHighlightTransparentBrush}" />
                                    </ObjectAnimationUsingKeyFrames>

                                </Storyboard>
                            </VisualState>
                            <VisualState x:Name="UnselectedPointerOver">
                                <Storyboard>
                                    <ObjectAnimationUsingKeyFrames Storyboard.TargetName="ContentPresenter" Storyboard.TargetProperty="Foreground">
                                        <DiscreteObjectKeyFrame KeyTime="0" Value="{ThemeResource SystemControlHighlightAltBaseMediumHighBrush}" />
                                    </ObjectAnimationUsingKeyFrames>
                                    <ObjectAnimationUsingKeyFrames Storyboard.TargetName="Grid" Storyboard.TargetProperty="Background">
                                        <DiscreteObjectKeyFrame KeyTime="0" Value="{ThemeResource SystemControlHighlightTransparentBrush}" />
                                    </ObjectAnimationUsingKeyFrames>
                                </Storyboard>
                            </VisualState>
                            <VisualState x:Name="SelectedPointerOver">
                                <Storyboard>
                                    <ObjectAnimationUsingKeyFrames Storyboard.TargetName="ContentPresenter" Storyboard.TargetProperty="Foreground">
                                        <DiscreteObjectKeyFrame KeyTime="0" Value="{ThemeResource SystemControlHighlightAltBaseMediumHighBrush}" />
                                    </ObjectAnimationUsingKeyFrames>
                                    <ObjectAnimationUsingKeyFrames Storyboard.TargetName="Grid" Storyboard.TargetProperty="Background">
                                        <DiscreteObjectKeyFrame KeyTime="0" Value="{ThemeResource SystemControlHighlightTransparentBrush}" />
                                    </ObjectAnimationUsingKeyFrames>
                                </Storyboard>
                            </VisualState>
                            <VisualState x:Name="UnselectedPressed">
                                <Storyboard>
                                    <ObjectAnimationUsingKeyFrames Storyboard.TargetName="ContentPresenter" Storyboard.TargetProperty="Foreground">
                                        <DiscreteObjectKeyFrame KeyTime="0" Value="{ThemeResource SystemControlHighlightAltBaseMediumHighBrush}" />
                                    </ObjectAnimationUsingKeyFrames>
                                    <ObjectAnimationUsingKeyFrames Storyboard.TargetName="Grid" Storyboard.TargetProperty="Background">
                                        <DiscreteObjectKeyFrame KeyTime="0" Value="{ThemeResource SystemControlHighlightTransparentBrush}" />
                                    </ObjectAnimationUsingKeyFrames>
                                </Storyboard>
                            </VisualState>
                            <VisualState x:Name="SelectedPressed">
                                <Storyboard>
                                    <ObjectAnimationUsingKeyFrames Storyboard.TargetName="ContentPresenter" Storyboard.TargetProperty="Foreground">
                                        <DiscreteObjectKeyFrame KeyTime="0" Value="{ThemeResource SystemControlHighlightAltBaseMediumHighBrush}" />
                                    </ObjectAnimationUsingKeyFrames>
                                    <ObjectAnimationUsingKeyFrames Storyboard.TargetName="Grid" Storyboard.TargetProperty="Background">
                                        <DiscreteObjectKeyFrame KeyTime="0" Value="{ThemeResource SystemControlHighlightTransparentBrush}" />
                                    </ObjectAnimationUsingKeyFrames>
                                </Storyboard>
                            </VisualState>
                        </VisualStateGroup>
                    </VisualStateManager.VisualStateGroups>
                    <ContentPresenter x:Name="ContentPresenter" Content="{TemplateBinding Content}" ContentTemplate="{TemplateBinding ContentTemplate}" Margin="{TemplateBinding Padding}" FontSize="{TemplateBinding FontSize}" FontFamily="{TemplateBinding FontFamily}" FontWeight="{TemplateBinding FontWeight}" HorizontalAlignment="{TemplateBinding HorizontalContentAlignment}" VerticalAlignment="{TemplateBinding VerticalContentAlignment}">
                        <ContentPresenter.RenderTransform>
                            <TranslateTransform x:Name="ContentPresenterTranslateTransform" />
                        </ContentPresenter.RenderTransform>
                    </ContentPresenter>

                </Grid>
            </ControlTemplate>
        </Setter.Value>
    </Setter>
</Style>

我明白了一下：

我无法弄清楚如何添加第一张照片上的边框，以及如何更改所选标题的边框颜色？

此外，如果您认为使用除Pivot之外的其他控件可以更轻松地完成此操作，那么这也会有所帮助。

Answer 1

您可以在Border模板中添加四个PivotHeaderItem，如下所示：

<Style TargetType="PivotHeaderItem">
    <!--...-->
    <Setter Property="Template">
        <Setter.Value>
            <ControlTemplate TargetType="PivotHeaderItem">
                <Grid x:Name="Grid" Background="{TemplateBinding Background}" Width="100">
                    <!--...-->
                    <VisualStateManager.VisualStateGroups>
                        <VisualStateGroup x:Name="SelectionStates">
                            <!--...-->
                            <VisualState x:Name="Selected">
                                <Storyboard>
                                    <ObjectAnimationUsingKeyFrames Storyboard.TargetName="ContentPresenter"
                                       Storyboard.TargetProperty="Foreground">
                                        <DiscreteObjectKeyFrame KeyTime="0" Value="Blue" />
                                    </ObjectAnimationUsingKeyFrames>
                                    <ObjectAnimationUsingKeyFrames Storyboard.TargetName="Grid"
                                       Storyboard.TargetProperty="Background">
                                        <DiscreteObjectKeyFrame KeyTime="0" Value="{ThemeResource SystemControlHighlightTransparentBrush}" />
                                    </ObjectAnimationUsingKeyFrames>
                                    <ObjectAnimationUsingKeyFrames Storyboard.TargetName="RightLine"
                                       Storyboard.TargetProperty="Width">
                                        <DiscreteObjectKeyFrame KeyTime="0" Value="2" />
                                    </ObjectAnimationUsingKeyFrames>
                                    <ObjectAnimationUsingKeyFrames Storyboard.TargetName="SelectedLine"
                                       Storyboard.TargetProperty="Background">
                                        <DiscreteObjectKeyFrame KeyTime="0" Value="Blue" />
                                    </ObjectAnimationUsingKeyFrames>
                                </Storyboard>
                            </VisualState>
                            <!--...-->
                        </VisualStateGroup>
                    </VisualStateManager.VisualStateGroups>
                    <ContentPresenter x:Name="ContentPresenter" Content="{TemplateBinding Content}" ContentTemplate="{TemplateBinding ContentTemplate}"
                                      Margin="{TemplateBinding Padding}" FontSize="{TemplateBinding FontSize}" FontFamily="{TemplateBinding FontFamily}"
                                      FontWeight="{TemplateBinding FontWeight}" HorizontalAlignment="{TemplateBinding HorizontalContentAlignment}"
                                      VerticalAlignment="{TemplateBinding VerticalContentAlignment}">
                        <ContentPresenter.RenderTransform>
                            <TranslateTransform x:Name="ContentPresenterTranslateTransform" />
                        </ContentPresenter.RenderTransform>
                    </ContentPresenter>
                    <Border x:Name="TopLine" Height="3" Background="Blue" VerticalAlignment="Top" HorizontalAlignment="Stretch" />
                    <Border x:Name="BottomLine" Height="2" Background="LightGray" VerticalAlignment="Bottom" HorizontalAlignment="Stretch" />
                    <Border x:Name="RightLine" Width="1" Background="LightGray" VerticalAlignment="Center"
                            HorizontalAlignment="Right" Height="{TemplateBinding FontSize}" />
                    <Border x:Name="SelectedLine" Height="2" VerticalAlignment="Bottom" HorizontalAlignment="Stretch"
                            Background="LightGray" Margin="15,0,0,0" />
                </Grid>
            </ControlTemplate>
        </Setter.Value>
    </Setter>
</Style>

我对样式中的部分代码进行了评论，以清楚地显示我修改过的内容，您可以看到我在此处为Grid提供了宽度以进行测试，您可以将其删除。

我还修改了Selected视觉状态，以便更改标题的前景，“分隔符”的宽度和我的SelectedLine的背景。这是我的风格的渲染图像：

Answer 2

您可以在顶部RadioButtons的列网格中使用3（或5个，如果您在自己的列中放置分隔符）推出自己的控件来显示标题。看看default template它看起来像是一个漂亮的黑盒子，你可能会更好地使用自己的盒子。您也可以从默认标题中删除标题，并在重新设置的Pivot上方放置一个3列网格。