当通过导航获得焦点时,是否有一种简单的方法来设置SelectedItem
我的?ListView
TextBox
Tab
附加信息.xaml:
<ListView Grid.Row="2" ItemsSource="{Binding PropertieList}" Style="{DynamicResource AdditionalInfo_ListViewStyle}" >
<ListView.View>
<GridView ColumnHeaderContainerStyle="{DynamicResource AdditionalInfo_GridView_HeaderStyle}">
<GridViewColumn Header=" Name" KeyboardNavigation.TabNavigation="None" >
<GridViewColumn.CellTemplate>
<DataTemplate>
<TextBlock Text="{Binding Name}" Style="{DynamicResource AdditionalInfo_Body_TextBlockStyle}" />
</DataTemplate>
</GridViewColumn.CellTemplate>
</GridViewColumn>
<GridViewColumn Header=" Value" >
<GridViewColumn.CellTemplate>
<DataTemplate>
<TextBox Text="{Binding Value}" IsEnabled="{Binding AllowValueChanging}" MinWidth="300" />
</DataTemplate>
</GridViewColumn.CellTemplate>
</GridViewColumn>
</GridView>
</ListView.View>
</ListView>
资源字典
<Style x:Key="AdditionalInfo_ListViewStyle" TargetType="{x:Type ListView}">
<Setter Property="HorizontalAlignment" Value="Stretch" />
<Setter Property="VerticalAlignment" Value="Stretch" />
<Setter Property="Background" Value="{DynamicResource {x:Static local:ResourceKeys.ListView_L2_Background_Body_BackgroundBrush}}" />
<Setter Property="BorderThickness" Value="0" />
<Setter Property="Margin" Value="14,0,14,0" />
<Setter Property="SelectionMode" Value="Single" />
<Setter Property="ScrollViewer.HorizontalScrollBarVisibility" Value="Disabled" />
<Setter Property="ScrollViewer.VerticalScrollBarVisibility" Value="Auto" />
<Setter Property="KeyboardNavigation.TabNavigation" Value="Continue" />
<!--Row style-->
<Setter Property="ItemContainerStyle">
<Setter.Value>
<Style TargetType="{x:Type ListViewItem}">
<Setter Property="VerticalContentAlignment" Value="Top" />
<Setter Property="HorizontalContentAlignment" Value="Stretch" />
<Setter Property="Focusable" Value="false"/>
<Setter Property="Background" Value="{DynamicResource {x:Static local:ResourceKeys.ListView_L2_Background_Body_BackgroundBrush}}" />
<Style.Triggers>
<MultiTrigger>
<MultiTrigger.Conditions>
<Condition Property="IsMouseOver" Value="true"/>
</MultiTrigger.Conditions>
<Setter Property="Background" Value="{DynamicResource {x:Static local:ResourceKeys.ListView_L2_Background_Body_BackgroundBrush_Hover}}"/>
<Setter Property="BorderBrush" Value="{DynamicResource {x:Static local:ResourceKeys.ListView_L2_Background_Body_BackgroundBrush_Hover}}"/>
</MultiTrigger>
<MultiTrigger>
<MultiTrigger.Conditions>
<Condition Property="IsSelected" Value="true"/>
</MultiTrigger.Conditions>
<Setter Property="Background" Value="{DynamicResource {x:Static local:ResourceKeys.ListView_L2_Background_Body_BackgroundBrush_IsSelected}}"/>
<Setter Property="BorderBrush" Value="{DynamicResource {x:Static local:ResourceKeys.ListView_L2_Background_Body_BackgroundBrush_IsSelected}}"/>
</MultiTrigger>
</Style.Triggers>
</Style>
</Setter.Value>
</Setter>
</Style>
<!--Header-->
<Style x:Key="AdditionalInfo_GridView_HeaderStyle" TargetType="{x:Type GridViewColumnHeader}">
<Setter Property="Visibility" Value="Visible" />
<Setter Property="HorizontalContentAlignment" Value="Left" />
<Setter Property="Foreground" Value="{DynamicResource {x:Static local:ResourceKeys.ListView_L2_Background_Header_ForegrounddBrush_enabled}}" />
<Setter Property="Background" Value="{DynamicResource {x:Static local:ResourceKeys.ListView_L2_Background_Header_BackgroundBrush}}" />
</Style>
<Style x:Key="AdditionalInfo_Body_TextBlockStyle" TargetType="{x:Type TextBlock}">
<Setter Property="OverridesDefaultStyle" Value="True"/>
<Style.Triggers>
<MultiTrigger>
<MultiTrigger.Conditions>
<Condition Property="IsEnabled" Value="true"/>
</MultiTrigger.Conditions>
<Setter Property="Foreground" Value="{DynamicResource {x:Static local:ResourceKeys.ListView_L2_Background_Body_ForegrounddBrush_enabled}}" />
</MultiTrigger>
<MultiTrigger>
<MultiTrigger.Conditions>
<Condition Property="IsEnabled" Value="false"/>
</MultiTrigger.Conditions>
<Setter Property="Foreground" Value="{DynamicResource {x:Static local:ResourceKeys.ListView_L2_Background_Body_ForegrounddBrush_disabled}}" />
</MultiTrigger>
</Style.Triggers>
</Style>
如此处所示如何从子控件访问 ListViewItem?可以SelectedItem
通过使用代码隐藏来设置,但我不喜欢在这个简单的任务中使用代码隐藏。
附加信息.xaml:
<ListView x:Name="AdditionalInfoListView" Grid.Row="2" ItemsSource="{Binding PropertieList}" Style="{DynamicResource AdditionalInfo_ListViewStyle}" >
<ListView.View>
<GridView ColumnHeaderContainerStyle="{DynamicResource AdditionalInfo_GridView_HeaderStyle}">
<GridViewColumn Header=" Name" KeyboardNavigation.TabNavigation="None" >
<GridViewColumn.CellTemplate>
<DataTemplate>
<TextBlock Text="{Binding Name}" Style="{DynamicResource AdditionalInfo_Body_TextBlockStyle}" />
</DataTemplate>
</GridViewColumn.CellTemplate>
</GridViewColumn>
<GridViewColumn Header=" Value" >
<GridViewColumn.CellTemplate>
<DataTemplate>
<TextBox Text="{Binding Value}" IsEnabled="{Binding AllowValueChanging}" GotFocus="TextBox_GotFocus" MinWidth="300" />
</DataTemplate>
</GridViewColumn.CellTemplate>
</GridViewColumn>
</GridView>
</ListView.View>
</ListView>
附加信息.xaml.cs
private void TextBox_GotFocus(object sender, RoutedEventArgs e)
{
var item = (sender as TextBox).DataContext;
int index = AdditionalInfoListView.Items.IndexOf(item);
AdditionalInfoListView.SelectedItem = AdditionalInfoListView.Items[index];
}