如何获取RadTreeView少儿保证金？

Question

我通过以下代码使用telerik:RadTreeView

<telerik:RadTreeView x:Name="ViewPlaybackTreeView" Uid="-1" IsTriStateMode="True" Style="{StaticResource SettingTreeViewStyle}" 
ItemContainerStyle="{StaticResource SettingRadTreeViewTimePickerItemStyle}">
    <telerik:RadTreeViewItem x:Name="ViewPlaybackTreeViewItem" Uid="-1" IsExpanded="False" 
    ItemContainerStyle="{StaticResource SettingRadTreeViewTimePickerItemStyle}"/>
</telerik:RadTreeView>

<Style x:Key="SettingTreeViewStyle"  TargetType="telerik:RadTreeView">
    <Setter Property="SelectionMode" Value="Extended"/>
    <Setter Property="IsLineEnabled" Value="True"/>
    <Setter Property="ItemsOptionListType" Value="CheckList"/>
    <Setter Property="IsOptionElementsEnabled" Value="True"/>
    <Setter Property="IsRootLinesEnabled" Value="True"/>
    <Setter Property="VerticalAlignment" Value="Top"/>
    <Setter Property="IsTriStateMode" Value="True"/>
</Style>

<Style x:Key="SettingRadTreeViewTimePickerItemStyle" TargetType="{x:Type telerik:RadTreeViewItem}">
    <Setter Property="Foreground" Value="White"/>
    <Setter Property="FontSize" Value="13"/>
    <Setter Property="Margin" Value="0,0,0,0"/>
    <Setter Property="Template">
        <Setter.Value>
            <ControlTemplate TargetType="{x:Type telerik:RadTreeViewItem}">
                <Grid x:Name="RootElement">
                    <Grid.RowDefinitions>
                        <RowDefinition Height="Auto"/>
                        <RowDefinition/>
                    </Grid.RowDefinitions>
                    <Grid x:Name="HeaderRow" Background="Transparent" MinHeight="{TemplateBinding MinHeight}" SnapsToDevicePixels="True">
                        <Grid.ColumnDefinitions>
                            <ColumnDefinition Width="Auto"/>
                            <ColumnDefinition Width="Auto"/>
                            <ColumnDefinition Width="Auto"/>
                            <ColumnDefinition Width="Auto"/>
                            <ColumnDefinition Width="Auto"/>
                            <ColumnDefinition Width="*"/>
                            <ColumnDefinition Width="*"/>
                            <ColumnDefinition Width="*"/>
                        </Grid.ColumnDefinitions>
                        <Border BorderBrush="{TemplateBinding BorderBrush}" BorderThickness="{TemplateBinding BorderThickness}" Background="{TemplateBinding Background}" Grid.ColumnSpan="6" Grid.Column="2" CornerRadius="2"/>
                        <Border x:Name="SelectionUnfocusedVisual" BorderBrush="#FFDBDBDB" BorderThickness="1" Grid.ColumnSpan="6" Grid.Column="2" CornerRadius="1" Visibility="Collapsed">
                            <Border BorderBrush="Transparent" BorderThickness="1" CornerRadius="0">
                                <Border.Background>
                                    <LinearGradientBrush EndPoint="0,1">
                                        <GradientStop Color="#FFF8F6F9" Offset="0"/>
                                        <GradientStop Color="#FFF0F0F0" Offset="1"/>
                                    </LinearGradientBrush>
                                </Border.Background>
                            </Border>
                        </Border>
                        <Border x:Name="SelectionVisual" BorderBrush="#FFFFC92B" BorderThickness="1" Grid.ColumnSpan="6" Grid.Column="2" CornerRadius="1" Visibility="Collapsed">
                            <Border BorderBrush="White" BorderThickness="1" CornerRadius="0">
                                <Border.Background>
                                    <LinearGradientBrush EndPoint="0.5,1" StartPoint="0.5,0">
                                        <GradientStop Color="#FFFCE79F" Offset="1"/>
                                        <GradientStop Color="#FFFDD3A8"/>
                                    </LinearGradientBrush>
                                </Border.Background>
                            </Border>
                        </Border>
                        <StackPanel x:Name="IndentContainer" Orientation="Horizontal">
                            <Rectangle x:Name="IndentFirstVerticalLine" Stroke="#FFCCCCCC" Visibility="Collapsed" VerticalAlignment="Top" Width="1"/>
                        </StackPanel>
                        <Grid x:Name="ListRootContainer" Grid.Column="1" HorizontalAlignment="Center" MinWidth="20">
                            <Rectangle x:Name="HorizontalLine" HorizontalAlignment="Right" Height="1" Stroke="#FFCCCCCC" VerticalAlignment="Center"/>
                            <Rectangle x:Name="VerticalLine" HorizontalAlignment="Center" Stroke="#FFCCCCCC" VerticalAlignment="Top" Width="1"/>
                            <ToggleButton x:Name="Expander" Background="{TemplateBinding Background}" IsTabStop="False"/>
                            <Grid x:Name="LoadingVisual" HorizontalAlignment="Center" RenderTransformOrigin="0.5,0.5" Visibility="Collapsed" VerticalAlignment="Center">
                                <Grid.RenderTransform>
                                    <TransformGroup>
                                        <RotateTransform Angle="0" CenterY="0.5" CenterX="0.5"/>
                                    </TransformGroup>
                                </Grid.RenderTransform>
                                <Path Data="M1,0A1,1,90,1,1,0,-1" Height="10" StrokeStartLineCap="Round" Stretch="Fill" Stroke="{TemplateBinding Foreground}" StrokeThickness="1" Width="10"/>
                                <Path Data="M0,-1.1L0.1,-1 0,-0.9" Fill="{TemplateBinding Foreground}" HorizontalAlignment="Left" Height="4" Margin="5,-1.5,0,0" Stretch="Fill" StrokeThickness="1" VerticalAlignment="Top" Width="4"/>
                            </Grid>
                        </Grid>
                        <CheckBox x:Name="CheckBoxElement" Grid.Column="2" IsTabStop="False" Visibility="Collapsed" HorizontalAlignment="Left"  VerticalAlignment="Center" Style="{StaticResource UserTreeSettingCheckboxStyle}">
                        </CheckBox>
                        <RadioButton x:Name="RadioButtonElement" Grid.Column="2" IsTabStop="False" Margin="5,0,0,0" Visibility="Collapsed" VerticalAlignment="Center">
                            <telerik:StyleManager.Theme>
                                <telerik:Office_BlackTheme/>
                            </telerik:StyleManager.Theme>
                        </RadioButton>
                        <Image x:Name="Image" Grid.Column="3" HorizontalAlignment="Center" MaxWidth="16" MaxHeight="16" Margin="2" VerticalAlignment="Center"/>
                        <Rectangle x:Name="FocusVisual" Grid.ColumnSpan="6" Grid.Column="2" IsHitTestVisible="False" RadiusY="3" RadiusX="3" Stroke="Black" StrokeThickness="1" StrokeDashArray="1 2" Visibility="Collapsed"/>
                        <Grid Grid.ColumnSpan="2" Grid.Column="4">
                            <ContentPresenter x:Name="Header" ContentTemplate="{TemplateBinding HeaderTemplate}" Content="{TemplateBinding Header}" HorizontalAlignment="{TemplateBinding HorizontalContentAlignment}" Margin="{TemplateBinding Padding}" VerticalAlignment="{TemplateBinding VerticalContentAlignment}"/>
                            <ContentPresenter x:Name="EditHeaderElement" ContentTemplate="{TemplateBinding HeaderEditTemplate}" HorizontalAlignment="{TemplateBinding HorizontalContentAlignment}" Margin="{TemplateBinding Padding}" Visibility="Collapsed" VerticalAlignment="{TemplateBinding VerticalContentAlignment}"/>
                        </Grid>
                        <toolkit:TimePicker x:Name="TimeStart" Grid.Column="6" Height="Auto" HorizontalAlignment="Center" VerticalAlignment="Center" Format="Custom" FormatString="HH:mm"/>
                        <toolkit:TimePicker x:Name="TimeEnd" Grid.Column="6" Height="Auto" HorizontalAlignment="Right" VerticalAlignment="Center" Format="Custom" FormatString="HH:mm"/>
                    </Grid>
                    <ItemsPresenter x:Name="ItemsHost" Grid.Row="1" Visibility="Collapsed"/>
                </Grid>
                <ControlTemplate.Triggers>
                    <Trigger Property="IsInEditMode" Value="True">
                        <Setter Property="Visibility" TargetName="Header" Value="Collapsed"/>
                        <Setter Property="Visibility" TargetName="EditHeaderElement" Value="Visible"/>
                    </Trigger>
                    <Trigger Property="IsSelected" Value="True">
                        <Setter Property="IsChecked" TargetName="CheckBoxElement" Value="True"/>
                    </Trigger>
                    <Trigger Property="IsChecked" Value="True">
                        <Setter Property="IsChecked" TargetName="CheckBoxElement" Value="True"/>
                    </Trigger>
                    <Trigger Property="IsEnabled" Value="False">
                        <Setter Property="Foreground" Value="#FF52686E"/>
                    </Trigger>
                    <Trigger Property="IsExpanded" Value="True">
                        <Setter Property="Visibility" TargetName="ItemsHost" Value="Visible"/>
                    </Trigger>
                    <Trigger Property="IsLoadingOnDemand" Value="True">
                        <Trigger.EnterActions>
                            <BeginStoryboard x:Name="LoadingVisualTransform">
                                <Storyboard>
                                    <DoubleAnimation Duration="0:0:1" From="0" RepeatBehavior="Forever" To="359" Storyboard.TargetProperty="Angle" Storyboard.TargetName="LoadingVisualAngleTransform"/>
                                </Storyboard>
                            </BeginStoryboard>
                        </Trigger.EnterActions>
                        <Trigger.ExitActions>
                            <StopStoryboard BeginStoryboardName="LoadingVisualTransform"/>
                        </Trigger.ExitActions>
                        <Setter Property="Visibility" TargetName="LoadingVisual" Value="Visible"/>
                        <Setter Property="Visibility" TargetName="Expander" Value="Collapsed"/>
                    </Trigger>
                    <Trigger Property="IsMouseOver" Value="True">
                        <Setter Property="Foreground" Value="#FF1E7787"/>
                    </Trigger>
                </ControlTemplate.Triggers>
            </ControlTemplate>
        </Setter.Value>
    </Setter>
</Style>

运行这段代码的结果如下图所示

​

问题是两个第一个TimePickers与下面的不是“左对齐”。我想我可以设置他们的左边距来纠正它，但我不知道我必须设置的确切的“左边距”值。

有人能教我怎么解决我的问题吗？

非常感谢！

T&T

Answer 1

这是每个级别的固定边距，因此您可以使用转换器将边距设置为级别*固定边距。稍微尝试一下，以获得正确的值。

但我建议不要像这样使用RadTreeView。Telerik有另一个组件，它以更好的方式解决了这个问题。RadTreeListView (http://www.telerik.com/help/wpf/radtreelistview-overview.html)。它的工作原理就像一个普通的树形视图，但你可以在你的树旁边制作列，它会自动对齐你的控件或你放在其中的任何东西。如果您设置边距，您将依赖于图形属性，这些属性可能会随不同的样式而变化。

public class MarginConverter : IValueConverter
{
    const int FIXED_MARGIN = 30;
    public object Convert(object value, Type targetType, object parameter, System.Globalization.CultureInfo culture)
    {
        return (int)value * FIXED_MARGIN;
    }

    public object ConvertBack(object value, Type targetType, object parameter, System.Globalization.CultureInfo culture)
    {
        return (int)value / FIXED_MARGIN;
    }  
}

​

<telerik:RadTreeView x:Name="ViewPlaybackTreeView" Uid="-1" IsTriStateMode="True" >
        <telerik:RadTreeViewItem x:Name="ViewPlaybackTreeViewItem" Uid="-1" IsExpanded="False" Margin="{Binding Level, Converter={StaticResource MarginConverter }}"/>
</telerik:RadTreeView>

然后将Level属性添加到您的类。