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我正在使用WpfToolkit中的DataGrid。我已經採取了Style資源字典並調整了一下。我試圖完成的是當數據綁定對象上的某個屬性爲True時,使標題變爲粗體。列標題是不一定一個TextBlock和具有其控制模板重新定義爲如下所示:WPF DataGrid ColumnHeader樣式:無法在ControlTemplate中使文本變粗體
DataGridStyle:
<Style x:Key="ModificationsDataGridStyle" TargetType="{x:Type compCtrls:ModDataGrid}">
<Setter Property="ColumnHeaderStyle" Value="{StaticResource DatagridColumnHeaderCustomTemplateStyle}" />
</Style>
ColumnHeaderStyle:
<Style x:Key="DatagridColumnHeaderCustomTemplateStyle"
TargetType="{x:Type primitives:DataGridColumnHeader}">
<Setter Property="SnapsToDevicePixels" Value="True" />
<Setter Property="MinWidth" Value="0" />
<Setter Property="MinHeight" Value="28" />
<Setter Property="Foreground" Value="White" />
<Setter Property="FontWeight" Value="Normal" />
<Setter Property="Cursor" Value="Hand" />
<Setter Property="Template">
<Setter.Value>
<ControlTemplate TargetType="{x:Type primitives:DataGridColumnHeader}">
<Grid>
<Grid.ColumnDefinitions>
<ColumnDefinition Width="*" />
<ColumnDefinition Width="Auto" />
</Grid.ColumnDefinitions>
<Border x:Name="BackgroundBorder" BorderThickness="0,1,0,1"
Background="{StaticResource DataGridHeaderBackgroundBrush}"
BorderBrush="{StaticResource DataGridHeaderBorderBrush}"
Grid.ColumnSpan="2" />
<ContentPresenter x:Name="ContentPres" Margin="6,3,6,3" VerticalAlignment="Center" />
<Path x:Name="SortArrow" Visibility="Hidden" Data="M0,0 L1,0 0.5,1 z" Stretch="Fill"
Grid.Column="1" Width="10" Height="7" Fill="White" Margin="0,0,7,0"
VerticalAlignment="Center" RenderTransformOrigin="0.5,0.4" />
<Rectangle Width="1" Fill="#AAC377" HorizontalAlignment="Right" Grid.ColumnSpan="2" />
<Rectangle Width="1" Margin="0,0,1,0" Fill="#425B10"
HorizontalAlignment="Right" Grid.ColumnSpan="2" />
<Thumb x:Name="PART_LeftHeaderGripper" HorizontalAlignment="Left"
Style="{StaticResource ColumnHeaderGripperStyle}"/>
<Thumb x:Name="PART_RightHeaderGripper" HorizontalAlignment="Right"
Style="{StaticResource ColumnHeaderGripperStyle}"/>
</Grid>
<ControlTemplate.Triggers>
<Trigger Property="SortDirection" Value="{x:Null}">
<Setter TargetName="SortArrow" Property="Visibility" Value="Collapsed" />
</Trigger>
<Trigger Property="IsMouseOver" Value="True">
<Setter Property="Background" TargetName="BackgroundBorder"
Value="{StaticResource DataGridHeaderMouseOverBackgroundBrush}" />
<Setter Property="BorderBrush" TargetName="BackgroundBorder"
Value="{StaticResource DataGridHeaderBorderBrush}" />
</Trigger>
<Trigger Property="SortDirection" Value="Ascending">
<Setter TargetName="SortArrow" Property="Visibility" Value="Visible" />
<Setter TargetName="SortArrow" Property="Fill" Value="Goldenrod" />
<Setter TargetName="SortArrow" Property="RenderTransform">
<Setter.Value>
<RotateTransform Angle="180" />
</Setter.Value>
</Setter>
</Trigger>
<Trigger Property="SortDirection" Value="Descending">
<Setter TargetName="SortArrow" Property="Visibility" Value="Visible" />
<Setter TargetName="SortArrow" Property="Fill" Value="Brown" />
</Trigger>
<Trigger Property="DisplayIndex" Value="0">
<Setter Property="Visibility" Value="Collapsed"
TargetName="PART_LeftHeaderGripper"></Setter>
</Trigger>
<DataTrigger Binding="{Binding IsRevisedSummableField}" Value="True">
<Setter TargetName="ContentPres" Property="Control.FontWeight" Value="Bold" />
</DataTrigger>
</ControlTemplate.Triggers>
</ControlTemplate>
</Setter.Value>
</Setter>
</Style>
我想用一個DataTrigger(綁定到給定財產)在模板將工作。要麼我錯了,要麼沒有走正確的路。我還要提到的是,列自動生成,一旦生成列,我設置每個的DataGridColumn的DataContext的這樣:
protected override void OnAutoGeneratedColumns(EventArgs e)
{
var dataTable = pivotMod.DataTable;
foreach (DataGridColumn gridCol in Columns)
{
var colName = gridCol.Header.ToString();
DataColumn col = dataTable.Columns[colName];
// give the column headers a pretty name
gridCol.Header = col.Caption;
// set the datacontext of the gridcolumn to the modfield ...
ModFieldGUIWrapper modField = col.ExtendedProperties["ModField"] as ModFieldGUIWrapper;
gridCol.SetValue(FrameworkElement.DataContextProperty, modField);
}
base.OnAutoGeneratedColumns(e);
}
任何幫助是一如既往不勝感激。
乾杯, 肖恩
你說你已經試過了一個數據觸發器?你有沒有綁定到適當的部分?您是否嘗試用文本塊替換您的內容,然後將文本塊綁定到您的內容模板綁定,然後使用它作爲您的元素進行綁定?據我所知,DataTrigger將是你要找的。 – 2012-04-04 18:36:48