我有ToggleButton
和DataGrid
,DataGridColumn
中的每一行都有ColGroup
AttachedProperty
设置为列组名称的名称。< / p>
附属物:
public class DataGridColumnsGroupProperty {
public static readonly DependencyProperty ColGroupProperty =
DependencyProperty.RegisterAttached("ColGroup", typeof(object), typeof(DataGridColumnsGroupProperty), new FrameworkPropertyMetadata(null));
public static void SetColGroup(DependencyObject element, string value) {
element.SetValue(ColGroupProperty, value);
}
public static string GetColGroup(DependencyObject element) {
return (string)element.GetValue(ColGroupProperty);
}
}
ToggleButton
在Check/UnCheck
show/collapse
所有具有相同组名的列上都有两个作业。
它有一个ContextMenu
,只显示具有相同组名的DataGridColumns
。
我设法将所有DataGridColumns
绑定到ToggleButton
,但无法找到使用不同组名折叠DataGridColumns
的方法。
如何仅使用样式触发器中的givin组名称填充上下文菜单?
如何在取消选中切换按钮时隐藏具有组名的所有列?
XAML:
<ToggleButton.ContextMenu>
<ContextMenu x:Name="ContextMenu" ItemsSource="{Binding Columns, ElementName=ElementDataGrid, Converter={StaticResource TestConverter}}">
<ContextMenu.ItemContainerStyle>
<Style TargetType="MenuItem">
<Setter Property="HeaderTemplate" Value="{Binding HeaderTemplate}"/>
<Setter Property="Header" Value="{Binding Header}"/>
<Setter Property="StaysOpenOnClick" Value="True" />
<Setter Property="AutomationProperties.Name" Value="{Binding Header}"/>
<Setter Property="IsCheckable" Value="True" />
<Setter Property="IsChecked" Value="{Binding Visibility, Mode=TwoWay, Converter={StaticResource VisibilityToBooleanConverter}}" />
<Style.Triggers>
<Trigger Property="attachedProperties:DataGridColumnsGroupProperty.ColGroup" Value="FirstGroup">
<Setter Property="Visibility" Value="Collapsed" />
</Trigger>
</Style.Triggers>
</Style>
</ContextMenu.ItemContainerStyle>
</ContextMenu>
</ToggleButton.ContextMenu>
DataGridColumns:
<DataGridTextColumn x:Name="StoryCol" attachedProperties:DataGridColumnsGroupProperty.ColGroup="FirstGroup" Header="{x:Static p:Resources.Story}" IsReadOnly="True" Binding="{Binding Story}" Visibility="Visible" />
<DataGridTextColumn x:Name="CadIdCol" attachedProperties:DataGridColumnsGroupProperty.ColGroup="SecondGroup" Header="{x:Static p:Resources.CadId}" IsReadOnly="False" Binding="{Binding CadId}" Visibility="Visible" />
答案 0 :(得分:1)
使用DataTrigger
应该对绑定到附加属性有用:
<DataTrigger Binding="{Binding Path=(attachedProperties:DataGridColumnsGroupProperty.ColGroup)}" Value="FirstGroup">
<Setter Property="Visibility" Value="Collapsed" />
</DataTrigger>