我是 XAML 新手,正在设计一个包含嵌套选项卡控件的应用程序。最近,我搜索了通过鼠标悬停和选定触发器(选定=绿色,鼠标悬停=蓝色)来更改选项卡标题的方法,并且它确实有效。但我有两个问题。
我有一个嵌套选项卡,内部选项卡也跟随外部
TabControl.Resource
(这对我来说没问题,它给了我统一的选项卡)。这个问题与鼠标悬停触发器有关:当我选择选项卡时,它会变成绿色,因为它已被选中,每当我将鼠标悬停在任何控件上时,在其网格内,该
TabHeader
就会被选中(并且应该保持绿色) ) 跟随鼠标悬停触发器并变为蓝色。这是我的xaml:
<TabControl Margin="0,0,0,0.2" TabStripPlacement="Left" Background="{x:Null}" BorderBrush="Gainsboro">
<!-- ******outter TAB*******-->
<TabControl.Resources>
<Style TargetType="TabItem">
<Setter Property="Template">
<Setter.Value>
<ControlTemplate TargetType="TabItem">
<Grid Name="TnrT1">
<ContentPresenter x:Name="ContentSite"
VerticalAlignment="Center"
HorizontalAlignment="Center"
ContentSource="Header"
Margin="10,2"/>
</Grid>
<ControlTemplate.Triggers>
<Trigger Property="IsSelected" Value="True">
<Setter TargetName="TnrT1" Property="Background" Value="#FF7AB945"/>
</Trigger>
<Trigger Property="IsMouseOver" Value="True">
<Setter TargetName="TnrT1" Property="Background" Value="#CC119EDA"/>
</Trigger>
</ControlTemplate.Triggers>
</ControlTemplate>
</Setter.Value>
</Setter>
</Style>
</TabControl.Resources>
<TabItem x:Name="TnrMng" Height="136" VerticalAlignment="Top" HorizontalAlignment="Left" Width="105" Background="White">
<TabItem.Header>
<StackPanel HorizontalAlignment="Center" Width="94" Height="116" VerticalAlignment="Center" Margin="0,1,-0.4,21.4">
<Image Source="Resource/mngp.png" Height="90" Margin="-2,0,-5.6,0" HorizontalAlignment="Center" VerticalAlignment="Top" Width="102" />
<TextBlock Height="28" RenderTransformOrigin="0.498,0.913" VerticalAlignment="Center" HorizontalAlignment="Center" Width="84" FontWeight="Normal" FontSize="16" Margin="10,0,0.4,0" FontFamily="Tw Cen MT Condensed Extra Bold">مدیرت استاد</TextBlock>
</StackPanel>
</TabItem.Header>
<Grid>
<Grid.ColumnDefinitions>
<ColumnDefinition/>
</Grid.ColumnDefinitions>
<TextBox x:Name="inst_inst_search_txt_Copy" Margin="10,58,0,0" TextWrapping="Wrap" FontWeight="Normal" VerticalContentAlignment="Center" Height="22" Controls:TextBoxHelper.Watermark="جستجو استاد" VerticalAlignment="Top" HorizontalAlignment="Left" Width="153" HorizontalContentAlignment="Center"/>
<Image x:Name="inst_search_png_Copy" Margin="168,58,0,0" Stretch="Fill" FlowDirection="RightToLeft" HorizontalAlignment="Left" Height="24" VerticalAlignment="Top" Width="29">
<Image.Source>
<BitmapImage UriSource="Resource/search.png"/>
</Image.Source>
</Image>
<ComboBox x:Name="tnr_search_filter_combo" HorizontalAlignment="Left" Margin="77,10,0,0" VerticalAlignment="Top" Width="86" FontSize="8" Height="22">
<ComboBoxItem Content="همه موارد"/>
<ComboBoxItem Content="کد شناسه"/>
<ComboBoxItem Content="نام"/>
<ComboBoxItem Content="شماره ملی"/>
<ComboBoxItem Content="شماره تماس"/>
<ComboBoxItem Content="آدرس"/>
<ComboBoxItem Content="پست الکترونیک"/>
</ComboBox>
<ListView x:Name="tnr_tnr_search_lst" HorizontalAlignment="Left" Margin="10,113,0,24.4" Width="175">
<ListView.View>
<GridView>
<GridViewColumn Header="استاد" HeaderStringFormat="" Width="160"/>
</GridView>
</ListView.View>
</ListView>
<!-- ******inner TAB*****-->
<TabControl Margin="190,10,0.2,0.4">
<TabItem Header="TabItem">
<Grid Background="#FFE5E5E5"/>
</TabItem>
<TabItem Header="TabItem">
<Grid Background="#FFE5E5E5"/>
</TabItem>
</TabControl>
<!-- ***inner TAB***-->
</Grid>
</TabItem>
<TabItem Margin="0,7,-0.4,-66.4" Width="105" Height="136">
<TabItem.Header>
<StackPanel HorizontalAlignment="Center" Width="94" Height="116" VerticalAlignment="Center" Margin="0,1,-0.4,21.4">
<Image Source="Resource/addp.png" Height="90" Margin="-2,0,-5.6,0" HorizontalAlignment="Center" VerticalAlignment="Top" Width="102" />
<TextBlock Height="28" RenderTransformOrigin="0.498,0.913" VerticalAlignment="Center" HorizontalAlignment="Center" Width="84" FontWeight="Normal" FontSize="16" Margin="10,0,0.4,0" FontFamily="Tw Cen MT Condensed Extra Bold">ثبت استاد</TextBlock>
</StackPanel>
</TabItem.Header>
<Grid>
<ListBox HorizontalAlignment="Left" Height="366" Margin="49,99,0,0" VerticalAlignment="Top" Width="533"/>
</Grid>
</TabItem>
</TabControl>
<!--******Outter TAB*****-->
这些是显示第二个问题的图像:
让我从第二期开始。定义 TabItem 样式的方式是,当鼠标悬停在 TabItem(包括 TabItem 的标题和内容)上时,背景会变为蓝色。因此,如果您希望更改仅在未选择该项目时执行,请替换此触发器:
<Trigger Property="IsMouseOver" Value="True">
<Setter TargetName="TnrT1" Property="Background" Value="#CC119EDA"/>
</Trigger>
使用多重触发器:
<MultiTrigger>
<MultiTrigger.Conditions>
<Condition Property="IsMouseOver" Value="True"/>
<Condition Property="IsSelected" Value="False"/>
</MultiTrigger.Conditions>
<Setter TargetName="TnrT1" Property="Background" Value="#CC119EDA"/>
</MultiTrigger>
现在是第一个问题(这不是你悲伤的问题,但仍然是)。 TabItem 样式的定义方式(在 TabControl 的资源中)将应用于该 TabControl 中的所有 TabItem(包括嵌套 TabControl 中的 TabItem - 代码注释中的内部 TAB)。那是因为它没有显式的key,所以它适用于TabItem类型的所有控件。为了避免这种情况,给你的风格一个关键
x:Key="MyTabItemStyle"
。然后将该样式仅应用于您想要的 TabItem,因此对于外部 TabItem,您可以设置 Style="{StaticResource MyTabItemStyle}"
。